ifconfig.c revision 1.106
1 /* $NetBSD: ifconfig.c,v 1.106 2001/04/28 00:00:06 itojun Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 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 1.106 2001/04/28 00:00:06 itojun Exp $"); 84 #endif 85 #endif /* not lint */ 86 87 #include <sys/param.h> 88 #include <sys/socket.h> 89 #include <sys/ioctl.h> 90 91 #include <net/if.h> 92 #include <net/if_dl.h> 93 #include <net/if_media.h> 94 #include <net/if_ether.h> 95 #include <net/if_ieee80211.h> 96 #include <net/if_vlanvar.h> 97 #include <netinet/in.h> 98 #include <netinet/in_var.h> 99 #ifdef INET6 100 #include <netinet6/nd6.h> 101 #endif 102 #include <arpa/inet.h> 103 104 #include <netatalk/at.h> 105 106 #define NSIP 107 #include <netns/ns.h> 108 #include <netns/ns_if.h> 109 #include <netdb.h> 110 111 #define EON 112 #include <netiso/iso.h> 113 #include <netiso/iso_var.h> 114 #include <sys/protosw.h> 115 116 #include <ctype.h> 117 #include <err.h> 118 #include <errno.h> 119 #include <stddef.h> 120 #include <stdio.h> 121 #include <stdlib.h> 122 #include <string.h> 123 #include <unistd.h> 124 #include <ifaddrs.h> 125 126 struct ifreq ifr, ridreq; 127 struct ifaliasreq addreq __attribute__((aligned(4))); 128 #ifdef INET6 129 struct in6_ifreq ifr6; 130 struct in6_ifreq in6_ridreq; 131 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 132 #endif 133 struct iso_ifreq iso_ridreq; 134 struct iso_aliasreq iso_addreq; 135 struct sockaddr_in netmask; 136 struct netrange at_nr; /* AppleTalk net range */ 137 138 char name[30]; 139 int flags, metric, mtu, setaddr, setipdst, doalias; 140 int clearaddr, s; 141 int newaddr = -1; 142 int nsellength = 1; 143 int af; 144 int Aflag, aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 145 #ifdef INET6 146 int Lflag; 147 #endif 148 int reset_if_flags; 149 int explicit_prefix = 0; 150 u_int vlan_tag = (u_int)-1; 151 152 void notealias __P((const char *, int)); 153 void notrailers __P((const char *, int)); 154 void setifaddr __P((const char *, int)); 155 void setifdstaddr __P((const char *, int)); 156 void setifflags __P((const char *, int)); 157 void setifbroadaddr __P((const char *, int)); 158 void setifipdst __P((const char *, int)); 159 void setifmetric __P((const char *, int)); 160 void setifmtu __P((const char *, int)); 161 void setifnwid __P((const char *, int)); 162 void setifnwkey __P((const char *, int)); 163 void setifpowersave __P((const char *, int)); 164 void setifpowersavesleep __P((const char *, int)); 165 void setifnetmask __P((const char *, int)); 166 void setifprefixlen __P((const char *, int)); 167 void setnsellength __P((const char *, int)); 168 void setsnpaoffset __P((const char *, int)); 169 void setatrange __P((const char *, int)); 170 void setatphase __P((const char *, int)); 171 void settunnel __P((const char *, const char *)); 172 void deletetunnel __P((const char *, int)); 173 #ifdef INET6 174 void setia6flags __P((const char *, int)); 175 void setia6pltime __P((const char *, int)); 176 void setia6vltime __P((const char *, int)); 177 void setia6lifetime __P((const char *, const char *)); 178 #endif 179 void checkatrange __P ((struct sockaddr_at *)); 180 void setmedia __P((const char *, int)); 181 void setmediaopt __P((const char *, int)); 182 void unsetmediaopt __P((const char *, int)); 183 void setmediainst __P((const char *, int)); 184 void clone_create __P((const char *, int)); 185 void clone_destroy __P((const char *, int)); 186 void fixnsel __P((struct sockaddr_iso *)); 187 void setvlan __P((const char *, int)); 188 void setvlanif __P((const char *, int)); 189 void unsetvlanif __P((const char *, int)); 190 int main __P((int, char *[])); 191 192 /* 193 * Media stuff. Whenever a media command is first performed, the 194 * currently select media is grabbed for this interface. If `media' 195 * is given, the current media word is modifed. `mediaopt' commands 196 * only modify the set and clear words. They then operate on the 197 * current media word later. 198 */ 199 int media_current; 200 int mediaopt_set; 201 int mediaopt_clear; 202 203 int actions; /* Actions performed */ 204 205 #define A_MEDIA 0x0001 /* media command */ 206 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 207 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 208 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 209 #define A_MEDIAINST 0x0008 /* instance or inst command */ 210 211 #define NEXTARG 0xffffff 212 #define NEXTARG2 0xfffffe 213 214 const struct cmd { 215 const char *c_name; 216 int c_parameter; /* NEXTARG means next argv */ 217 int c_action; /* defered action */ 218 void (*c_func) __P((const char *, int)); 219 void (*c_func2) __P((const char *, const char *)); 220 } cmds[] = { 221 { "up", IFF_UP, 0, setifflags } , 222 { "down", -IFF_UP, 0, setifflags }, 223 { "trailers", -1, 0, notrailers }, 224 { "-trailers", 1, 0, notrailers }, 225 { "arp", -IFF_NOARP, 0, setifflags }, 226 { "-arp", IFF_NOARP, 0, setifflags }, 227 { "debug", IFF_DEBUG, 0, setifflags }, 228 { "-debug", -IFF_DEBUG, 0, setifflags }, 229 { "alias", IFF_UP, 0, notealias }, 230 { "-alias", -IFF_UP, 0, notealias }, 231 { "delete", -IFF_UP, 0, notealias }, 232 #ifdef notdef 233 #define EN_SWABIPS 0x1000 234 { "swabips", EN_SWABIPS, 0, setifflags }, 235 { "-swabips", -EN_SWABIPS, 0, setifflags }, 236 #endif 237 { "netmask", NEXTARG, 0, setifnetmask }, 238 { "metric", NEXTARG, 0, setifmetric }, 239 { "mtu", NEXTARG, 0, setifmtu }, 240 { "nwid", NEXTARG, 0, setifnwid }, 241 { "nwkey", NEXTARG, 0, setifnwkey }, 242 { "-nwkey", -1, 0, setifnwkey }, 243 { "powersave", 1, 0, setifpowersave }, 244 { "-powersave", 0, 0, setifpowersave }, 245 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 246 { "broadcast", NEXTARG, 0, setifbroadaddr }, 247 { "ipdst", NEXTARG, 0, setifipdst }, 248 { "prefixlen", NEXTARG, 0, setifprefixlen}, 249 #ifdef INET6 250 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 251 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 252 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 253 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 254 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 255 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 256 { "pltime", NEXTARG, 0, setia6pltime }, 257 { "vltime", NEXTARG, 0, setia6vltime }, 258 #endif /*INET6*/ 259 #ifndef INET_ONLY 260 { "range", NEXTARG, 0, setatrange }, 261 { "phase", NEXTARG, 0, setatphase }, 262 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 263 { "nsellength", NEXTARG, 0, setnsellength }, 264 #endif /* INET_ONLY */ 265 { "tunnel", NEXTARG2, 0, NULL, 266 settunnel } , 267 { "deletetunnel", 0, 0, deletetunnel }, 268 { "vlan", NEXTARG, 0, setvlan } , 269 { "vlanif", NEXTARG, 0, setvlanif } , 270 { "-vlanif", 0, 0, unsetvlanif } , 271 { "deletetunnel", 0, 0, deletetunnel }, 272 #if 0 273 /* XXX `create' special-cased below */ 274 { "create", 0, 0, clone_create } , 275 #endif 276 { "destroy", 0, 0, clone_destroy } , 277 { "link0", IFF_LINK0, 0, setifflags } , 278 { "-link0", -IFF_LINK0, 0, setifflags } , 279 { "link1", IFF_LINK1, 0, setifflags } , 280 { "-link1", -IFF_LINK1, 0, setifflags } , 281 { "link2", IFF_LINK2, 0, setifflags } , 282 { "-link2", -IFF_LINK2, 0, setifflags } , 283 { "media", NEXTARG, A_MEDIA, setmedia }, 284 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 285 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 286 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 287 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 288 { 0, 0, 0, setifaddr }, 289 { 0, 0, 0, setifdstaddr }, 290 }; 291 292 void adjust_nsellength __P((void)); 293 int getinfo __P((struct ifreq *)); 294 int carrier __P((void)); 295 void getsock __P((int)); 296 void printall __P((void)); 297 void list_cloners __P((void)); 298 void printb __P((const char *, unsigned short, const char *)); 299 int prefix __P((void *, int)); 300 void status __P((const u_int8_t *, int)); 301 void usage __P((void)); 302 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 303 void print_string __P((const u_int8_t *, int)); 304 char *sec2str __P((time_t)); 305 306 const char *get_media_type_string __P((int)); 307 const char *get_media_subtype_string __P((int)); 308 int get_media_subtype __P((int, const char *)); 309 int get_media_options __P((int, const char *)); 310 int lookup_media_word __P((struct ifmedia_description *, int, 311 const char *)); 312 void print_media_word __P((int, int, int)); 313 void process_media_commands __P((void)); 314 void init_current_media __P((void)); 315 316 /* 317 * XNS support liberally adapted from code written at the University of 318 * Maryland principally by James O'Toole and Chris Torek. 319 */ 320 void in_alias __P((struct ifreq *)); 321 void in_status __P((int)); 322 void in_getaddr __P((const char *, int)); 323 void in_getprefix __P((const char *, int)); 324 #ifdef INET6 325 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 326 void in6_alias __P((struct in6_ifreq *)); 327 void in6_status __P((int)); 328 void in6_getaddr __P((const char *, int)); 329 void in6_getprefix __P((const char *, int)); 330 #endif 331 void at_status __P((int)); 332 void at_getaddr __P((const char *, int)); 333 void xns_status __P((int)); 334 void xns_getaddr __P((const char *, int)); 335 void iso_status __P((int)); 336 void iso_getaddr __P((const char *, int)); 337 338 void ieee80211_status __P((void)); 339 void tunnel_status __P((void)); 340 void vlan_status __P((void)); 341 342 /* Known address families */ 343 struct afswtch { 344 const char *af_name; 345 short af_af; 346 void (*af_status) __P((int)); 347 void (*af_getaddr) __P((const char *, int)); 348 void (*af_getprefix) __P((const char *, int)); 349 u_long af_difaddr; 350 u_long af_aifaddr; 351 u_long af_gifaddr; 352 caddr_t af_ridreq; 353 caddr_t af_addreq; 354 } afs[] = { 355 #define C(x) ((caddr_t) &x) 356 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 357 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 358 #ifdef INET6 359 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 360 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 361 /* 362 * Deleting the first address before setting new one is 363 * not prefered way in this protocol. 364 */ 365 0, 366 C(in6_ridreq), C(in6_addreq) }, 367 #endif 368 #ifndef INET_ONLY /* small version, for boot media */ 369 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 370 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 371 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 373 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 374 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 375 C(iso_ridreq), C(iso_addreq) }, 376 #endif /* INET_ONLY */ 377 { 0, 0, 0, 0 } 378 }; 379 380 struct afswtch *afp; /*the address family being set or asked about*/ 381 382 struct afswtch *lookup_af __P((const char *)); 383 384 int 385 main(argc, argv) 386 int argc; 387 char *argv[]; 388 { 389 struct ifreq ifreq; 390 int ch; 391 392 /* Parse command-line options */ 393 aflag = mflag = 0; 394 while ((ch = getopt(argc, argv, "AabCdlmsu" 395 #ifdef INET6 396 "L" 397 #endif 398 )) != -1) { 399 switch (ch) { 400 case 'A': 401 Aflag = 1; 402 break; 403 404 case 'a': 405 aflag = 1; 406 break; 407 408 case 'b': 409 bflag = 1; 410 break; 411 412 413 case 'C': 414 Cflag = 1; 415 break; 416 417 case 'd': 418 dflag = 1; 419 break; 420 421 #ifdef INET6 422 case 'L': 423 Lflag = 1; 424 break; 425 #endif 426 427 case 'l': 428 lflag = 1; 429 break; 430 431 case 'm': 432 mflag = 1; 433 break; 434 435 case 's': 436 sflag = 1; 437 break; 438 439 case 'u': 440 uflag = 1; 441 break; 442 443 444 default: 445 usage(); 446 /* NOTREACHED */ 447 } 448 } 449 argc -= optind; 450 argv += optind; 451 452 /* 453 * -l means "list all interfaces", and is mutally exclusive with 454 * all other flags/commands. 455 * 456 * -C means "list all names of cloners", and it mutually exclusive 457 * with all other flags/commands. 458 * 459 * -a means "print status of all interfaces". 460 */ 461 if ((lflag || Cflag) && (aflag || mflag || Aflag || argc)) 462 usage(); 463 #ifdef INET6 464 if ((lflag || Cflag) && Lflag) 465 usage(); 466 #endif 467 if (lflag && Cflag) 468 usage(); 469 if (Cflag) { 470 if (argc) 471 usage(); 472 list_cloners(); 473 exit(0); 474 } 475 if (aflag || lflag) { 476 if (argc > 1) 477 usage(); 478 else if (argc == 1) { 479 afp = lookup_af(argv[0]); 480 if (afp == NULL) 481 usage(); 482 } 483 if (afp) 484 af = ifr.ifr_addr.sa_family = afp->af_af; 485 else 486 af = ifr.ifr_addr.sa_family = afs[0].af_af; 487 printall(); 488 exit(0); 489 } 490 491 /* Make sure there's an interface name. */ 492 if (argc < 1) 493 usage(); 494 (void) strncpy(name, argv[0], sizeof(name)); 495 argc--; argv++; 496 497 /* 498 * NOTE: We must special-case the `create' command right 499 * here as we would otherwise fail in getinfo(). 500 */ 501 if (argc > 0 && strcmp(argv[0], "create") == 0) { 502 clone_create(argv[0], 0); 503 argc--, argv++; 504 if (argc == 0) 505 exit(0); 506 } 507 508 /* Check for address family. */ 509 afp = NULL; 510 if (argc > 0) { 511 afp = lookup_af(argv[0]); 512 if (afp != NULL) { 513 argv++; 514 argc--; 515 } 516 } 517 518 /* Initialize af, just for use in getinfo(). */ 519 if (afp == NULL) 520 af = afs->af_af; 521 else 522 af = afp->af_af; 523 524 /* Get information about the interface. */ 525 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 526 if (getinfo(&ifr) < 0) 527 exit(1); 528 529 if (sflag) { 530 if (argc != 0) 531 usage(); 532 else 533 exit(carrier()); 534 } 535 536 /* No more arguments means interface status. */ 537 if (argc == 0) { 538 status(NULL, 0); 539 exit(0); 540 } 541 542 /* The following operations assume inet family as the default. */ 543 if (afp == NULL) 544 afp = afs; 545 af = ifr.ifr_addr.sa_family = afp->af_af; 546 547 #ifdef INET6 548 /* initialization */ 549 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 550 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 551 #endif 552 553 /* Process commands. */ 554 while (argc > 0) { 555 const struct cmd *p; 556 557 for (p = cmds; p->c_name; p++) 558 if (strcmp(argv[0], p->c_name) == 0) 559 break; 560 if (p->c_name == 0 && setaddr) { 561 if ((flags & IFF_POINTOPOINT) == 0) { 562 errx(1, "can't set destination address %s", 563 "on non-point-to-point link"); 564 } 565 p++; /* got src, do dst */ 566 } 567 if (p->c_func != NULL || p->c_func2 != NULL) { 568 if (p->c_parameter == NEXTARG) { 569 if (argc < 2) 570 errx(1, "'%s' requires argument", 571 p->c_name); 572 (*p->c_func)(argv[1], 0); 573 argc--, argv++; 574 } else if (p->c_parameter == NEXTARG2) { 575 if (argc < 3) 576 errx(1, "'%s' requires 2 arguments", 577 p->c_name); 578 (*p->c_func2)(argv[1], argv[2]); 579 argc -= 2, argv += 2; 580 } else 581 (*p->c_func)(argv[0], p->c_parameter); 582 actions |= p->c_action; 583 } 584 argc--, argv++; 585 } 586 587 /* Process any media commands that may have been issued. */ 588 process_media_commands(); 589 590 if (af == AF_INET6 && explicit_prefix == 0) { 591 /* 592 * Aggregatable address architecture defines all prefixes 593 * are 64. So, it is convenient to set prefixlen to 64 if 594 * it is not specified. 595 */ 596 setifprefixlen("64", 0); 597 /* in6_getprefix("64", MASK) if MASK is available here... */ 598 } 599 600 #ifndef INET_ONLY 601 if (af == AF_ISO) 602 adjust_nsellength(); 603 604 if (af == AF_APPLETALK) 605 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 606 607 if (setipdst && af==AF_NS) { 608 struct nsip_req rq; 609 int size = sizeof(rq); 610 611 rq.rq_ns = addreq.ifra_addr; 612 rq.rq_ip = addreq.ifra_dstaddr; 613 614 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 615 warn("encapsulation routing"); 616 } 617 618 #endif /* INET_ONLY */ 619 620 if (clearaddr) { 621 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 622 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 623 err(1, "SIOCDIFADDR"); 624 } 625 if (newaddr > 0) { 626 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 627 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 628 warn("SIOCAIFADDR"); 629 } 630 631 if (reset_if_flags) { 632 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 633 ifreq.ifr_flags = flags; 634 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 635 err(1, "SIOCSIFFLAGS"); 636 } 637 exit(0); 638 } 639 640 struct afswtch * 641 lookup_af(cp) 642 const char *cp; 643 { 644 struct afswtch *a; 645 646 for (a = afs; a->af_name != NULL; a++) 647 if (strcmp(a->af_name, cp) == 0) 648 return (a); 649 return (NULL); 650 } 651 652 void 653 getsock(naf) 654 int naf; 655 { 656 static int oaf = -1; 657 658 if (oaf == naf) 659 return; 660 if (oaf != -1) 661 close(s); 662 s = socket(naf, SOCK_DGRAM, 0); 663 if (s < 0) 664 oaf = -1; 665 else 666 oaf = naf; 667 } 668 669 int 670 getinfo(ifr) 671 struct ifreq *ifr; 672 { 673 674 getsock(af); 675 if (s < 0) 676 err(1, "socket"); 677 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 678 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 679 return (-1); 680 } 681 flags = ifr->ifr_flags; 682 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 683 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 684 metric = 0; 685 } else 686 metric = ifr->ifr_metric; 687 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 688 mtu = 0; 689 else 690 mtu = ifr->ifr_mtu; 691 return (0); 692 } 693 694 void 695 printall() 696 { 697 struct ifaddrs *ifap, *ifa; 698 struct ifreq ifr; 699 const struct sockaddr_dl *sdl = NULL; 700 int idx; 701 char *p; 702 703 if (getifaddrs(&ifap) != 0) 704 err(1, "getifaddrs"); 705 p = NULL; 706 idx = 0; 707 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 708 memset(&ifr, 0, sizeof(ifr)); 709 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 710 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 711 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 712 ifa->ifa_addr->sa_len); 713 } 714 715 if (ifa->ifa_addr->sa_family == AF_LINK) 716 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 717 if (p && strcmp(p, ifa->ifa_name) == 0) 718 continue; 719 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 720 name[sizeof(name) - 1] = '\0'; 721 p = ifa->ifa_name; 722 723 if (getinfo(&ifr) < 0) 724 continue; 725 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 726 continue; 727 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 728 continue; 729 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 730 continue; 731 732 if (sflag && carrier()) 733 continue; 734 idx++; 735 /* 736 * Are we just listing the interfaces? 737 */ 738 if (lflag) { 739 if (idx > 1) 740 putchar(' '); 741 fputs(name, stdout); 742 continue; 743 } 744 745 if (sdl == NULL) { 746 status(NULL, 0); 747 } else { 748 status(LLADDR(sdl), sdl->sdl_alen); 749 sdl = NULL; 750 } 751 } 752 if (lflag) 753 putchar('\n'); 754 freeifaddrs(ifap); 755 } 756 757 void 758 list_cloners(void) 759 { 760 struct if_clonereq ifcr; 761 char *cp, *buf; 762 int idx; 763 764 memset(&ifcr, 0, sizeof(ifcr)); 765 766 getsock(AF_INET); 767 768 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 769 err(1, "SIOCIFGCLONERS for count"); 770 771 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 772 if (buf == NULL) 773 err(1, "unable to allocate cloner name buffer"); 774 775 ifcr.ifcr_count = ifcr.ifcr_total; 776 ifcr.ifcr_buffer = buf; 777 778 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 779 err(1, "SIOCIFGCLONERS for names"); 780 781 /* 782 * In case some disappeared in the mean time, clamp it down. 783 */ 784 if (ifcr.ifcr_count > ifcr.ifcr_total) 785 ifcr.ifcr_count = ifcr.ifcr_total; 786 787 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 788 if (idx > 0) 789 putchar(' '); 790 printf("%s", cp); 791 } 792 793 putchar('\n'); 794 free(buf); 795 return; 796 } 797 798 /*ARGSUSED*/ 799 void 800 clone_create(addr, param) 801 const char *addr; 802 int param; 803 { 804 805 /* We're called early... */ 806 getsock(AF_INET); 807 808 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 809 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 810 err(1, "SIOCIFCREATE"); 811 } 812 813 /*ARGSUSED*/ 814 void 815 clone_destroy(addr, param) 816 const char *addr; 817 int param; 818 { 819 820 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 821 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 822 err(1, "SIOCIFDESTROY"); 823 } 824 825 #define RIDADDR 0 826 #define ADDR 1 827 #define MASK 2 828 #define DSTADDR 3 829 830 /*ARGSUSED*/ 831 void 832 setifaddr(addr, param) 833 const char *addr; 834 int param; 835 { 836 struct ifreq *ifr; /* XXX */ 837 838 /* 839 * Delay the ioctl to set the interface addr until flags are all set. 840 * The address interpretation may depend on the flags, 841 * and the flags may change when the address is set. 842 */ 843 setaddr++; 844 if (newaddr == -1) 845 newaddr = 1; 846 if (doalias == 0 && afp->af_gifaddr != 0) { 847 ifr = (struct ifreq *)afp->af_ridreq; 848 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 849 ifr->ifr_addr.sa_family = afp->af_af; 850 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 851 clearaddr = 1; 852 else if (errno == EADDRNOTAVAIL) 853 /* No address was assigned yet. */ 854 ; 855 else 856 err(1, "SIOCGIFADDR"); 857 } 858 859 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 860 } 861 862 void 863 settunnel(src, dst) 864 const char *src, *dst; 865 { 866 struct addrinfo hints, *srcres, *dstres; 867 int ecode; 868 struct if_laddrreq req; 869 870 memset(&hints, 0, sizeof(hints)); 871 hints.ai_family = afp->af_af; 872 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 873 874 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 875 errx(1, "error in parsing address string: %s", 876 gai_strerror(ecode)); 877 878 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 879 errx(1, "error in parsing address string: %s", 880 gai_strerror(ecode)); 881 882 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 883 errx(1, 884 "source and destination address families do not match"); 885 886 if (srcres->ai_addrlen > sizeof(req.addr) || 887 dstres->ai_addrlen > sizeof(req.dstaddr)) 888 errx(1, "invalid sockaddr"); 889 890 memset(&req, 0, sizeof(req)); 891 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 892 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 893 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 894 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 895 warn("SIOCSLIFPHYADDR"); 896 897 freeaddrinfo(srcres); 898 freeaddrinfo(dstres); 899 } 900 901 /* ARGSUSED */ 902 void 903 deletetunnel(vname, param) 904 const char *vname; 905 int param; 906 { 907 908 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 909 err(1, "SIOCDIFPHYADDR"); 910 } 911 912 void setvlan(val, d) 913 const char *val; 914 int d; 915 { 916 struct vlanreq vlr; 917 918 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 919 !isdigit(ifr.ifr_name[4])) 920 errx(EXIT_FAILURE, 921 "``vlan'' valid only with vlan(4) interfaces"); 922 923 vlan_tag = atoi(val); 924 925 memset(&vlr, 0, sizeof(vlr)); 926 ifr.ifr_data = (caddr_t)&vlr; 927 928 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 929 err(EXIT_FAILURE, "SIOCGETVLAN"); 930 931 vlr.vlr_tag = vlan_tag; 932 933 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 934 err(EXIT_FAILURE, "SIOCSETVLAN"); 935 } 936 937 void setvlanif(val, d) 938 const char *val; 939 int d; 940 { 941 struct vlanreq vlr; 942 943 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 944 !isdigit(ifr.ifr_name[4])) 945 errx(EXIT_FAILURE, 946 "``vlanif'' valid only with vlan(4) interfaces"); 947 948 if (vlan_tag == (u_int)-1) 949 errx(EXIT_FAILURE, 950 "must specify both ``vlan'' and ``vlanif''"); 951 952 memset(&vlr, 0, sizeof(vlr)); 953 ifr.ifr_data = (caddr_t)&vlr; 954 955 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 956 err(EXIT_FAILURE, "SIOCGETVLAN"); 957 958 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 959 vlr.vlr_tag = vlan_tag; 960 961 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 962 err(EXIT_FAILURE, "SIOCSETVLAN"); 963 } 964 965 void unsetvlanif(val, d) 966 const char *val; 967 int d; 968 { 969 struct vlanreq vlr; 970 971 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 972 !isdigit(ifr.ifr_name[4])) 973 errx(EXIT_FAILURE, 974 "``vlanif'' valid only with vlan(4) interfaces"); 975 976 memset(&vlr, 0, sizeof(vlr)); 977 ifr.ifr_data = (caddr_t)&vlr; 978 979 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 980 err(EXIT_FAILURE, "SIOCGETVLAN"); 981 982 vlr.vlr_parent[0] = '\0'; 983 vlr.vlr_tag = 0; 984 985 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 986 err(EXIT_FAILURE, "SIOCSETVLAN"); 987 } 988 989 void 990 setifnetmask(addr, d) 991 const char *addr; 992 int d; 993 { 994 (*afp->af_getaddr)(addr, MASK); 995 } 996 997 void 998 setifbroadaddr(addr, d) 999 const char *addr; 1000 int d; 1001 { 1002 (*afp->af_getaddr)(addr, DSTADDR); 1003 } 1004 1005 void 1006 setifipdst(addr, d) 1007 const char *addr; 1008 int d; 1009 { 1010 in_getaddr(addr, DSTADDR); 1011 setipdst++; 1012 clearaddr = 0; 1013 newaddr = 0; 1014 } 1015 1016 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1017 /*ARGSUSED*/ 1018 void 1019 notealias(addr, param) 1020 const char *addr; 1021 int param; 1022 { 1023 if (setaddr && doalias == 0 && param < 0) 1024 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1025 rqtosa(af_addreq)->sa_len); 1026 doalias = param; 1027 if (param < 0) { 1028 clearaddr = 1; 1029 newaddr = 0; 1030 } else 1031 clearaddr = 0; 1032 } 1033 1034 /*ARGSUSED*/ 1035 void 1036 notrailers(vname, value) 1037 const char *vname; 1038 int value; 1039 { 1040 puts("Note: trailers are no longer sent, but always received"); 1041 } 1042 1043 /*ARGSUSED*/ 1044 void 1045 setifdstaddr(addr, param) 1046 const char *addr; 1047 int param; 1048 { 1049 (*afp->af_getaddr)(addr, DSTADDR); 1050 } 1051 1052 void 1053 setifflags(vname, value) 1054 const char *vname; 1055 int value; 1056 { 1057 struct ifreq ifreq; 1058 1059 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1060 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1061 err(1, "SIOCGIFFLAGS"); 1062 flags = ifreq.ifr_flags; 1063 1064 if (value < 0) { 1065 value = -value; 1066 flags &= ~value; 1067 } else 1068 flags |= value; 1069 ifreq.ifr_flags = flags; 1070 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1071 err(1, "SIOCSIFFLAGS"); 1072 1073 reset_if_flags = 1; 1074 } 1075 1076 #ifdef INET6 1077 void 1078 setia6flags(vname, value) 1079 const char *vname; 1080 int value; 1081 { 1082 if (value < 0) { 1083 value = -value; 1084 in6_addreq.ifra_flags &= ~value; 1085 } else 1086 in6_addreq.ifra_flags |= value; 1087 } 1088 1089 void 1090 setia6pltime(val, d) 1091 const char *val; 1092 int d; 1093 { 1094 setia6lifetime("pltime", val); 1095 } 1096 1097 void 1098 setia6vltime(val, d) 1099 const char *val; 1100 int d; 1101 { 1102 setia6lifetime("vltime", val); 1103 } 1104 1105 void 1106 setia6lifetime(cmd, val) 1107 const char *cmd; 1108 const char *val; 1109 { 1110 time_t newval, t; 1111 char *ep; 1112 1113 t = time(NULL); 1114 newval = (time_t)strtoul(val, &ep, 0); 1115 if (val == ep) 1116 errx(1, "invalid %s", cmd); 1117 if (afp->af_af != AF_INET6) 1118 errx(1, "%s not allowed for the AF", cmd); 1119 if (strcmp(cmd, "vltime") == 0) { 1120 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1121 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1122 } else if (strcmp(cmd, "pltime") == 0) { 1123 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1124 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1125 } 1126 } 1127 #endif 1128 1129 void 1130 setifmetric(val, d) 1131 const char *val; 1132 int d; 1133 { 1134 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1135 ifr.ifr_metric = atoi(val); 1136 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1137 warn("SIOCSIFMETRIC"); 1138 } 1139 1140 void 1141 setifmtu(val, d) 1142 const char *val; 1143 int d; 1144 { 1145 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1146 ifr.ifr_mtu = atoi(val); 1147 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1148 warn("SIOCSIFMTU"); 1149 } 1150 1151 const char * 1152 get_string(val, sep, buf, lenp) 1153 const char *val, *sep; 1154 u_int8_t *buf; 1155 int *lenp; 1156 { 1157 int len; 1158 int hexstr; 1159 u_int8_t *p; 1160 1161 len = *lenp; 1162 p = buf; 1163 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1164 if (hexstr) 1165 val += 2; 1166 for (;;) { 1167 if (*val == '\0') 1168 break; 1169 if (sep != NULL && strchr(sep, *val) != NULL) { 1170 val++; 1171 break; 1172 } 1173 if (hexstr) { 1174 if (!isxdigit((u_char)val[0]) || 1175 !isxdigit((u_char)val[1])) { 1176 warnx("bad hexadecimal digits"); 1177 return NULL; 1178 } 1179 } 1180 if (p > buf + len) { 1181 if (hexstr) 1182 warnx("hexadecimal digits too long"); 1183 else 1184 warnx("strings too long"); 1185 return NULL; 1186 } 1187 if (hexstr) { 1188 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1189 *p++ = (tohex((u_char)val[0]) << 4) | 1190 tohex((u_char)val[1]); 1191 #undef tohex 1192 val += 2; 1193 } else 1194 *p++ = *val++; 1195 } 1196 len = p - buf; 1197 if (len < *lenp) 1198 memset(p, 0, *lenp - len); 1199 *lenp = len; 1200 return val; 1201 } 1202 1203 void 1204 print_string(buf, len) 1205 const u_int8_t *buf; 1206 int len; 1207 { 1208 int i; 1209 int hasspc; 1210 1211 i = 0; 1212 hasspc = 0; 1213 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1214 for (; i < len; i++) { 1215 if (!isprint(buf[i])) 1216 break; 1217 if (isspace(buf[i])) 1218 hasspc++; 1219 } 1220 } 1221 if (i == len) { 1222 if (hasspc || len == 0) 1223 printf("\"%.*s\"", len, buf); 1224 else 1225 printf("%.*s", len, buf); 1226 } else { 1227 printf("0x"); 1228 for (i = 0; i < len; i++) 1229 printf("%02x", buf[i]); 1230 } 1231 } 1232 1233 void 1234 setifnwid(val, d) 1235 const char *val; 1236 int d; 1237 { 1238 struct ieee80211_nwid nwid; 1239 int len; 1240 1241 len = sizeof(nwid.i_nwid); 1242 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1243 return; 1244 nwid.i_len = len; 1245 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1246 ifr.ifr_data = (caddr_t)&nwid; 1247 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1248 warn("SIOCS80211NWID"); 1249 } 1250 1251 void 1252 setifnwkey(val, d) 1253 const char *val; 1254 int d; 1255 { 1256 struct ieee80211_nwkey nwkey; 1257 int i; 1258 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1259 1260 nwkey.i_wepon = 1; 1261 nwkey.i_defkid = 1; 1262 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1263 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1264 nwkey.i_key[i].i_keydat = keybuf[i]; 1265 } 1266 if (d != 0) { 1267 /* disable WEP encryption */ 1268 nwkey.i_wepon = 0; 1269 i = 0; 1270 } else if (isdigit(val[0]) && val[1] == ':') { 1271 /* specifying a full set of four keys */ 1272 nwkey.i_defkid = val[0] - '0'; 1273 val += 2; 1274 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1275 val = get_string(val, ",", keybuf[i], 1276 &nwkey.i_key[i].i_keylen); 1277 if (val == NULL) 1278 return; 1279 } 1280 if (*val != '\0') { 1281 warnx("SIOCS80211NWKEY: too many keys."); 1282 return; 1283 } 1284 } else { 1285 val = get_string(val, NULL, keybuf[0], 1286 &nwkey.i_key[0].i_keylen); 1287 if (val == NULL) 1288 return; 1289 i = 1; 1290 } 1291 for (; i < IEEE80211_WEP_NKID; i++) 1292 nwkey.i_key[i].i_keylen = 0; 1293 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1294 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1295 warn("SIOCS80211NWKEY"); 1296 } 1297 1298 void 1299 setifpowersave(val, d) 1300 const char *val; 1301 int d; 1302 { 1303 struct ieee80211_power power; 1304 1305 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1306 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1307 warn("SIOCG80211POWER"); 1308 return; 1309 } 1310 1311 power.i_enabled = d; 1312 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1313 warn("SIOCS80211POWER"); 1314 } 1315 1316 void 1317 setifpowersavesleep(val, d) 1318 const char *val; 1319 int d; 1320 { 1321 struct ieee80211_power power; 1322 1323 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1324 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1325 warn("SIOCG80211POWER"); 1326 return; 1327 } 1328 1329 power.i_maxsleep = atoi(val); 1330 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1331 warn("SIOCS80211POWER"); 1332 } 1333 1334 void 1335 ieee80211_status() 1336 { 1337 int i; 1338 struct ieee80211_nwid nwid; 1339 struct ieee80211_nwkey nwkey; 1340 struct ieee80211_power power; 1341 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1342 1343 memset(&ifr, 0, sizeof(ifr)); 1344 ifr.ifr_data = (caddr_t)&nwid; 1345 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1346 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1347 return; 1348 if (nwid.i_len > IEEE80211_NWID_LEN) { 1349 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1350 return; 1351 } 1352 printf("\tnwid "); 1353 print_string(nwid.i_nwid, nwid.i_len); 1354 memset(&nwkey, 0, sizeof(nwkey)); 1355 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1356 /* show nwkey only when WEP is enabled */ 1357 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1358 nwkey.i_wepon == 0) { 1359 printf("\n"); 1360 goto skip_wep; 1361 } 1362 1363 printf(" nwkey "); 1364 /* try to retrieve WEP keys */ 1365 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1366 nwkey.i_key[i].i_keydat = keybuf[i]; 1367 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1368 } 1369 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1370 printf("*****"); 1371 } else { 1372 if (nwkey.i_defkid != 1) { 1373 /* non default key or multiple keys defined */ 1374 i = 0; 1375 } else if (nwkey.i_key[0].i_keylen >= 2 && 1376 isdigit(nwkey.i_key[0].i_keydat[0]) && 1377 nwkey.i_key[0].i_keydat[1] == ':') { 1378 /* ambiguous */ 1379 i = 0; 1380 } else { 1381 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1382 if (nwkey.i_key[i].i_keylen != 0) 1383 break; 1384 } 1385 } 1386 if (i == IEEE80211_WEP_NKID) { 1387 /* only show the first key */ 1388 print_string(nwkey.i_key[0].i_keydat, 1389 nwkey.i_key[0].i_keylen); 1390 } else { 1391 printf("%d:", nwkey.i_defkid); 1392 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1393 if (i > 0) 1394 printf(","); 1395 print_string(nwkey.i_key[i].i_keydat, 1396 nwkey.i_key[i].i_keylen); 1397 } 1398 } 1399 } 1400 printf("\n"); 1401 1402 skip_wep: 1403 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1404 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1405 return; 1406 printf("\tpowersave "); 1407 if (power.i_enabled) 1408 printf("on (%dms sleep)", power.i_maxsleep); 1409 else 1410 printf("off"); 1411 printf("\n"); 1412 } 1413 1414 void 1415 init_current_media() 1416 { 1417 struct ifmediareq ifmr; 1418 1419 /* 1420 * If we have not yet done so, grab the currently-selected 1421 * media. 1422 */ 1423 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1424 (void) memset(&ifmr, 0, sizeof(ifmr)); 1425 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1426 1427 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1428 /* 1429 * If we get E2BIG, the kernel is telling us 1430 * that there are more, so we can ignore it. 1431 */ 1432 if (errno != E2BIG) 1433 err(1, "SGIOCGIFMEDIA"); 1434 } 1435 1436 media_current = ifmr.ifm_current; 1437 } 1438 1439 /* Sanity. */ 1440 if (IFM_TYPE(media_current) == 0) 1441 errx(1, "%s: no link type?", name); 1442 } 1443 1444 void 1445 process_media_commands() 1446 { 1447 1448 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1449 /* Nothing to do. */ 1450 return; 1451 } 1452 1453 /* 1454 * Media already set up, and commands sanity-checked. Set/clear 1455 * any options, and we're ready to go. 1456 */ 1457 media_current |= mediaopt_set; 1458 media_current &= ~mediaopt_clear; 1459 1460 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1461 ifr.ifr_media = media_current; 1462 1463 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1464 err(1, "SIOCSIFMEDIA"); 1465 } 1466 1467 void 1468 setmedia(val, d) 1469 const char *val; 1470 int d; 1471 { 1472 int type, subtype, inst; 1473 1474 init_current_media(); 1475 1476 /* Only one media command may be given. */ 1477 if (actions & A_MEDIA) 1478 errx(1, "only one `media' command may be issued"); 1479 1480 /* Must not come after mediaopt commands */ 1481 if (actions & A_MEDIAOPT) 1482 errx(1, "may not issue `media' after `mediaopt' commands"); 1483 1484 /* 1485 * No need to check if `instance' has been issued; setmediainst() 1486 * craps out if `media' has not been specified. 1487 */ 1488 1489 type = IFM_TYPE(media_current); 1490 inst = IFM_INST(media_current); 1491 1492 /* Look up the subtype. */ 1493 subtype = get_media_subtype(type, val); 1494 1495 /* Build the new current media word. */ 1496 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1497 1498 /* Media will be set after other processing is complete. */ 1499 } 1500 1501 void 1502 setmediaopt(val, d) 1503 const char *val; 1504 int d; 1505 { 1506 1507 init_current_media(); 1508 1509 /* Can only issue `mediaopt' once. */ 1510 if (actions & A_MEDIAOPTSET) 1511 errx(1, "only one `mediaopt' command may be issued"); 1512 1513 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1514 if (actions & A_MEDIAINST) 1515 errx(1, "may not issue `mediaopt' after `instance'"); 1516 1517 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1518 1519 /* Media will be set after other processing is complete. */ 1520 } 1521 1522 void 1523 unsetmediaopt(val, d) 1524 const char *val; 1525 int d; 1526 { 1527 1528 init_current_media(); 1529 1530 /* Can only issue `-mediaopt' once. */ 1531 if (actions & A_MEDIAOPTCLR) 1532 errx(1, "only one `-mediaopt' command may be issued"); 1533 1534 /* May not issue `media' and `-mediaopt'. */ 1535 if (actions & A_MEDIA) 1536 errx(1, "may not issue both `media' and `-mediaopt'"); 1537 1538 /* 1539 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1540 * implicitly checks for A_MEDIAINST. 1541 */ 1542 1543 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1544 1545 /* Media will be set after other processing is complete. */ 1546 } 1547 1548 void 1549 setmediainst(val, d) 1550 const char *val; 1551 int d; 1552 { 1553 int type, subtype, options, inst; 1554 1555 init_current_media(); 1556 1557 /* Can only issue `instance' once. */ 1558 if (actions & A_MEDIAINST) 1559 errx(1, "only one `instance' command may be issued"); 1560 1561 /* Must have already specified `media' */ 1562 if ((actions & A_MEDIA) == 0) 1563 errx(1, "must specify `media' before `instance'"); 1564 1565 type = IFM_TYPE(media_current); 1566 subtype = IFM_SUBTYPE(media_current); 1567 options = IFM_OPTIONS(media_current); 1568 1569 inst = atoi(val); 1570 if (inst < 0 || inst > IFM_INST_MAX) 1571 errx(1, "invalid media instance: %s", val); 1572 1573 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1574 1575 /* Media will be set after other processing is complete. */ 1576 } 1577 1578 struct ifmedia_description ifm_type_descriptions[] = 1579 IFM_TYPE_DESCRIPTIONS; 1580 1581 struct ifmedia_description ifm_subtype_descriptions[] = 1582 IFM_SUBTYPE_DESCRIPTIONS; 1583 1584 struct ifmedia_description ifm_option_descriptions[] = 1585 IFM_OPTION_DESCRIPTIONS; 1586 1587 const char * 1588 get_media_type_string(mword) 1589 int mword; 1590 { 1591 struct ifmedia_description *desc; 1592 1593 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1594 desc++) { 1595 if (IFM_TYPE(mword) == desc->ifmt_word) 1596 return (desc->ifmt_string); 1597 } 1598 return ("<unknown type>"); 1599 } 1600 1601 const char * 1602 get_media_subtype_string(mword) 1603 int mword; 1604 { 1605 struct ifmedia_description *desc; 1606 1607 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1608 desc++) { 1609 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1610 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1611 return (desc->ifmt_string); 1612 } 1613 return ("<unknown subtype>"); 1614 } 1615 1616 int 1617 get_media_subtype(type, val) 1618 int type; 1619 const char *val; 1620 { 1621 int rval; 1622 1623 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1624 if (rval == -1) 1625 errx(1, "unknown %s media subtype: %s", 1626 get_media_type_string(type), val); 1627 1628 return (rval); 1629 } 1630 1631 int 1632 get_media_options(type, val) 1633 int type; 1634 const char *val; 1635 { 1636 char *optlist, *str; 1637 int option, rval = 0; 1638 1639 /* We muck with the string, so copy it. */ 1640 optlist = strdup(val); 1641 if (optlist == NULL) 1642 err(1, "strdup"); 1643 str = optlist; 1644 1645 /* 1646 * Look up the options in the user-provided comma-separated list. 1647 */ 1648 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1649 option = lookup_media_word(ifm_option_descriptions, type, str); 1650 if (option == -1) 1651 errx(1, "unknown %s media option: %s", 1652 get_media_type_string(type), str); 1653 rval |= IFM_OPTIONS(option); 1654 } 1655 1656 free(optlist); 1657 return (rval); 1658 } 1659 1660 int 1661 lookup_media_word(desc, type, val) 1662 struct ifmedia_description *desc; 1663 int type; 1664 const char *val; 1665 { 1666 1667 for (; desc->ifmt_string != NULL; desc++) { 1668 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1669 strcasecmp(desc->ifmt_string, val) == 0) 1670 return (desc->ifmt_word); 1671 } 1672 return (-1); 1673 } 1674 1675 void 1676 print_media_word(ifmw, print_type, as_syntax) 1677 int ifmw, print_type, as_syntax; 1678 { 1679 struct ifmedia_description *desc; 1680 int seen_option = 0; 1681 1682 if (print_type) 1683 printf("%s ", get_media_type_string(ifmw)); 1684 printf("%s%s", as_syntax ? "media " : "", 1685 get_media_subtype_string(ifmw)); 1686 1687 /* Find options. */ 1688 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1689 desc++) { 1690 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1691 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1692 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1693 if (seen_option == 0) 1694 printf(" %s", as_syntax ? "mediaopt " : ""); 1695 printf("%s%s", seen_option ? "," : "", 1696 desc->ifmt_string); 1697 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1698 } 1699 } 1700 if (IFM_INST(ifmw) != 0) 1701 printf(" instance %d", IFM_INST(ifmw)); 1702 } 1703 1704 int carrier() 1705 { 1706 struct ifmediareq ifmr; 1707 1708 (void) memset(&ifmr, 0, sizeof(ifmr)); 1709 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1710 1711 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1712 /* 1713 * Interface doesn't support SIOC{G,S}IFMEDIA; 1714 * assume ok. 1715 */ 1716 return 0; 1717 } 1718 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1719 /* 1720 * Interface doesn't report media-valid status. 1721 * assume ok. 1722 */ 1723 return 0; 1724 } 1725 /* otherwise, return ok for active, not-ok if not active. */ 1726 return !(ifmr.ifm_status & IFM_ACTIVE); 1727 } 1728 1729 1730 #define IFFBITS \ 1731 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1732 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1733 1734 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1735 1736 const struct ifmedia_status_description ifm_status_descriptions[] = 1737 IFM_STATUS_DESCRIPTIONS; 1738 1739 /* 1740 * Print the status of the interface. If an address family was 1741 * specified, show it and it only; otherwise, show them all. 1742 */ 1743 void 1744 status(ap, alen) 1745 const u_int8_t *ap; 1746 int alen; 1747 { 1748 struct afswtch *p = afp; 1749 struct ifmediareq ifmr; 1750 int *media_list, i; 1751 1752 printf("%s: ", name); 1753 printb("flags", flags, IFFBITS); 1754 if (metric) 1755 printf(" metric %d", metric); 1756 if (mtu) 1757 printf(" mtu %d", mtu); 1758 putchar('\n'); 1759 1760 ieee80211_status(); 1761 vlan_status(); 1762 tunnel_status(); 1763 1764 if (ap && alen > 0) { 1765 printf("\taddress:"); 1766 for (i = 0; i < alen; i++, ap++) 1767 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1768 putchar('\n'); 1769 } 1770 1771 (void) memset(&ifmr, 0, sizeof(ifmr)); 1772 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1773 1774 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1775 /* 1776 * Interface doesn't support SIOC{G,S}IFMEDIA. 1777 */ 1778 goto proto_status; 1779 } 1780 1781 if (ifmr.ifm_count == 0) { 1782 warnx("%s: no media types?", name); 1783 goto proto_status; 1784 } 1785 1786 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1787 if (media_list == NULL) 1788 err(1, "malloc"); 1789 ifmr.ifm_ulist = media_list; 1790 1791 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1792 err(1, "SIOCGIFMEDIA"); 1793 1794 printf("\tmedia: "); 1795 print_media_word(ifmr.ifm_current, 1, 0); 1796 if (ifmr.ifm_active != ifmr.ifm_current) { 1797 putchar(' '); 1798 putchar('('); 1799 print_media_word(ifmr.ifm_active, 0, 0); 1800 putchar(')'); 1801 } 1802 putchar('\n'); 1803 1804 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1805 const struct ifmedia_status_description *ifms; 1806 int bitno, found = 0; 1807 1808 printf("\tstatus: "); 1809 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1810 for (ifms = ifm_status_descriptions; 1811 ifms->ifms_valid != 0; ifms++) { 1812 if (ifms->ifms_type != 1813 IFM_TYPE(ifmr.ifm_current) || 1814 ifms->ifms_valid != 1815 ifm_status_valid_list[bitno]) 1816 continue; 1817 printf("%s%s", found ? ", " : "", 1818 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1819 found = 1; 1820 1821 /* 1822 * For each valid indicator bit, there's 1823 * only one entry for each media type, so 1824 * terminate the inner loop now. 1825 */ 1826 break; 1827 } 1828 } 1829 1830 if (found == 0) 1831 printf("unknown"); 1832 putchar('\n'); 1833 } 1834 1835 if (mflag) { 1836 int type, printed_type; 1837 1838 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1839 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1840 if (IFM_TYPE(media_list[i]) == type) { 1841 if (printed_type == 0) { 1842 printf("\tsupported %s media:\n", 1843 get_media_type_string(type)); 1844 printed_type = 1; 1845 } 1846 printf("\t\t"); 1847 print_media_word(media_list[i], 0, 1); 1848 printf("\n"); 1849 } 1850 } 1851 } 1852 } 1853 1854 free(media_list); 1855 1856 proto_status: 1857 if ((p = afp) != NULL) { 1858 (*p->af_status)(1); 1859 } else for (p = afs; p->af_name; p++) { 1860 ifr.ifr_addr.sa_family = p->af_af; 1861 (*p->af_status)(0); 1862 } 1863 } 1864 1865 void 1866 tunnel_status() 1867 { 1868 char psrcaddr[NI_MAXHOST]; 1869 char pdstaddr[NI_MAXHOST]; 1870 const char *ver = ""; 1871 #ifdef NI_WITHSCOPEID 1872 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1873 #else 1874 const int niflag = NI_NUMERICHOST; 1875 #endif 1876 struct if_laddrreq req; 1877 1878 psrcaddr[0] = pdstaddr[0] = '\0'; 1879 1880 memset(&req, 0, sizeof(req)); 1881 strncpy(req.iflr_name, name, IFNAMSIZ); 1882 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1883 return; 1884 #ifdef INET6 1885 if (req.addr.ss_family == AF_INET6) 1886 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1887 #endif 1888 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1889 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1890 #ifdef INET6 1891 if (req.addr.ss_family == AF_INET6) 1892 ver = "6"; 1893 #endif 1894 1895 #ifdef INET6 1896 if (req.dstaddr.ss_family == AF_INET6) 1897 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1898 #endif 1899 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1900 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1901 1902 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1903 } 1904 1905 void 1906 vlan_status() 1907 { 1908 struct vlanreq vlr; 1909 1910 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1911 !isdigit(ifr.ifr_name[4])) 1912 return; 1913 1914 memset(&vlr, 0, sizeof(vlr)); 1915 ifr.ifr_data = (caddr_t)&vlr; 1916 1917 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1918 return; 1919 1920 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1921 printf("\tvlan: %d parent: %s\n", 1922 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 1923 "<none>" : vlr.vlr_parent); 1924 } 1925 1926 void 1927 in_alias(creq) 1928 struct ifreq *creq; 1929 { 1930 struct sockaddr_in *sin; 1931 int alias; 1932 1933 if (lflag) 1934 return; 1935 1936 alias = 1; 1937 1938 /* Get the non-alias address for this interface. */ 1939 getsock(AF_INET); 1940 if (s < 0) { 1941 if (errno == EPROTONOSUPPORT) 1942 return; 1943 err(1, "socket"); 1944 } 1945 (void) memset(&ifr, 0, sizeof(ifr)); 1946 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1947 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1948 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1949 return; 1950 } else 1951 warn("SIOCGIFADDR"); 1952 } 1953 /* If creq and ifr are the same address, this is not an alias. */ 1954 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1955 sizeof(creq->ifr_addr)) == 0) 1956 alias = 0; 1957 /* we print aliases only with -A */ 1958 if (alias && !Aflag) 1959 return; 1960 (void) memset(&addreq, 0, sizeof(addreq)); 1961 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1962 addreq.ifra_addr = creq->ifr_addr; 1963 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1964 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1965 return; 1966 } else 1967 warn("SIOCGIFALIAS"); 1968 } 1969 1970 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1971 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 1972 1973 if (flags & IFF_POINTOPOINT) { 1974 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1975 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1976 } 1977 1978 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1979 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1980 1981 if (flags & IFF_BROADCAST) { 1982 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1983 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1984 } 1985 printf("\n"); 1986 } 1987 1988 void 1989 in_status(force) 1990 int force; 1991 { 1992 struct ifaddrs *ifap, *ifa; 1993 struct ifreq ifr; 1994 1995 if (getifaddrs(&ifap) != 0) 1996 err(1, "getifaddrs"); 1997 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1998 if (strcmp(name, ifa->ifa_name) != 0) 1999 continue; 2000 if (ifa->ifa_addr->sa_family != AF_INET) 2001 continue; 2002 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2003 continue; 2004 2005 memset(&ifr, 0, sizeof(ifr)); 2006 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2007 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2008 in_alias(&ifr); 2009 } 2010 freeifaddrs(ifap); 2011 } 2012 2013 void 2014 setifprefixlen(addr, d) 2015 const char *addr; 2016 int d; 2017 { 2018 if (*afp->af_getprefix) 2019 (*afp->af_getprefix)(addr, MASK); 2020 explicit_prefix = 1; 2021 } 2022 2023 #ifdef INET6 2024 void 2025 in6_fillscopeid(sin6) 2026 struct sockaddr_in6 *sin6; 2027 { 2028 #if defined(__KAME__) && defined(KAME_SCOPEID) 2029 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2030 sin6->sin6_scope_id = 2031 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2032 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2033 } 2034 #endif 2035 } 2036 2037 /* XXX not really an alias */ 2038 void 2039 in6_alias(creq) 2040 struct in6_ifreq *creq; 2041 { 2042 struct sockaddr_in6 *sin6; 2043 char hbuf[NI_MAXHOST]; 2044 u_int32_t scopeid; 2045 #ifdef NI_WITHSCOPEID 2046 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2047 #else 2048 const int niflag = NI_NUMERICHOST; 2049 #endif 2050 2051 /* Get the non-alias address for this interface. */ 2052 getsock(AF_INET6); 2053 if (s < 0) { 2054 if (errno == EPROTONOSUPPORT) 2055 return; 2056 err(1, "socket"); 2057 } 2058 2059 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2060 2061 in6_fillscopeid(sin6); 2062 scopeid = sin6->sin6_scope_id; 2063 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2064 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2065 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2066 printf("\tinet6 %s", hbuf); 2067 2068 if (flags & IFF_POINTOPOINT) { 2069 (void) memset(&ifr6, 0, sizeof(ifr6)); 2070 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2071 ifr6.ifr_addr = creq->ifr_addr; 2072 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2073 if (errno != EADDRNOTAVAIL) 2074 warn("SIOCGIFDSTADDR_IN6"); 2075 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2076 ifr6.ifr_addr.sin6_family = AF_INET6; 2077 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2078 } 2079 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2080 in6_fillscopeid(sin6); 2081 hbuf[0] = '\0'; 2082 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2083 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2084 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2085 printf(" -> %s", hbuf); 2086 } 2087 2088 (void) memset(&ifr6, 0, sizeof(ifr6)); 2089 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2090 ifr6.ifr_addr = creq->ifr_addr; 2091 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2092 if (errno != EADDRNOTAVAIL) 2093 warn("SIOCGIFNETMASK_IN6"); 2094 } else { 2095 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2096 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2097 sizeof(struct in6_addr))); 2098 } 2099 2100 (void) memset(&ifr6, 0, sizeof(ifr6)); 2101 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2102 ifr6.ifr_addr = creq->ifr_addr; 2103 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2104 if (errno != EADDRNOTAVAIL) 2105 warn("SIOCGIFAFLAG_IN6"); 2106 } else { 2107 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2108 printf(" anycast"); 2109 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2110 printf(" tentative"); 2111 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2112 printf(" duplicated"); 2113 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2114 printf(" detached"); 2115 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2116 printf(" deprecated"); 2117 } 2118 2119 if (scopeid) 2120 printf(" scopeid 0x%x", scopeid); 2121 2122 if (Lflag) { 2123 struct in6_addrlifetime *lifetime; 2124 (void) memset(&ifr6, 0, sizeof(ifr6)); 2125 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2126 ifr6.ifr_addr = creq->ifr_addr; 2127 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2128 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2129 if (errno != EADDRNOTAVAIL) 2130 warn("SIOCGIFALIFETIME_IN6"); 2131 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2132 time_t t = time(NULL); 2133 printf(" pltime "); 2134 if (lifetime->ia6t_preferred) { 2135 printf("%s", lifetime->ia6t_preferred < t 2136 ? "0" 2137 : sec2str(lifetime->ia6t_preferred - t)); 2138 } else 2139 printf("infty"); 2140 2141 printf(" vltime "); 2142 if (lifetime->ia6t_expire) { 2143 printf("%s", lifetime->ia6t_expire < t 2144 ? "0" 2145 : sec2str(lifetime->ia6t_expire - t)); 2146 } else 2147 printf("infty"); 2148 } 2149 } 2150 2151 printf("\n"); 2152 } 2153 2154 void 2155 in6_status(force) 2156 int force; 2157 { 2158 struct ifaddrs *ifap, *ifa; 2159 struct in6_ifreq ifr; 2160 2161 if (getifaddrs(&ifap) != 0) 2162 err(1, "getifaddrs"); 2163 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2164 if (strcmp(name, ifa->ifa_name) != 0) 2165 continue; 2166 if (ifa->ifa_addr->sa_family != AF_INET6) 2167 continue; 2168 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2169 continue; 2170 2171 memset(&ifr, 0, sizeof(ifr)); 2172 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2173 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2174 in6_alias(&ifr); 2175 } 2176 freeifaddrs(ifap); 2177 } 2178 #endif /*INET6*/ 2179 2180 #ifndef INET_ONLY 2181 2182 void 2183 at_status(force) 2184 int force; 2185 { 2186 struct sockaddr_at *sat, null_sat; 2187 struct netrange *nr; 2188 2189 getsock(AF_APPLETALK); 2190 if (s < 0) { 2191 if (errno == EPROTONOSUPPORT) 2192 return; 2193 err(1, "socket"); 2194 } 2195 (void) memset(&ifr, 0, sizeof(ifr)); 2196 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2197 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2198 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2199 if (!force) 2200 return; 2201 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2202 } else 2203 warn("SIOCGIFADDR"); 2204 } 2205 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2206 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2207 2208 (void) memset(&null_sat, 0, sizeof(null_sat)); 2209 2210 nr = (struct netrange *) &sat->sat_zero; 2211 printf("\tatalk %d.%d range %d-%d phase %d", 2212 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2213 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2214 if (flags & IFF_POINTOPOINT) { 2215 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2216 if (errno == EADDRNOTAVAIL) 2217 (void) memset(&ifr.ifr_addr, 0, 2218 sizeof(ifr.ifr_addr)); 2219 else 2220 warn("SIOCGIFDSTADDR"); 2221 } 2222 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2223 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2224 if (!sat) 2225 sat = &null_sat; 2226 printf("--> %d.%d", 2227 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2228 } 2229 if (flags & IFF_BROADCAST) { 2230 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2231 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2232 if (sat) 2233 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2234 sat->sat_addr.s_node); 2235 } 2236 putchar('\n'); 2237 } 2238 2239 void 2240 xns_status(force) 2241 int force; 2242 { 2243 struct sockaddr_ns *sns; 2244 2245 getsock(AF_NS); 2246 if (s < 0) { 2247 if (errno == EPROTONOSUPPORT) 2248 return; 2249 err(1, "socket"); 2250 } 2251 (void) memset(&ifr, 0, sizeof(ifr)); 2252 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2253 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2254 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2255 if (!force) 2256 return; 2257 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2258 } else 2259 warn("SIOCGIFADDR"); 2260 } 2261 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2262 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2263 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2264 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2265 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2266 if (errno == EADDRNOTAVAIL) 2267 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2268 else 2269 warn("SIOCGIFDSTADDR"); 2270 } 2271 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2272 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2273 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2274 } 2275 putchar('\n'); 2276 } 2277 2278 void 2279 iso_status(force) 2280 int force; 2281 { 2282 struct sockaddr_iso *siso; 2283 struct iso_ifreq ifr; 2284 2285 getsock(AF_ISO); 2286 if (s < 0) { 2287 if (errno == EPROTONOSUPPORT) 2288 return; 2289 err(1, "socket"); 2290 } 2291 (void) memset(&ifr, 0, sizeof(ifr)); 2292 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2293 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2294 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2295 if (!force) 2296 return; 2297 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2298 } else 2299 warn("SIOCGIFADDR_ISO"); 2300 } 2301 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2302 siso = &ifr.ifr_Addr; 2303 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2304 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2305 if (errno == EADDRNOTAVAIL) 2306 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2307 else 2308 warn("SIOCGIFNETMASK_ISO"); 2309 } else { 2310 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2311 siso->siso_addr.isoa_len = siso->siso_len 2312 - offsetof(struct sockaddr_iso, siso_addr); 2313 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2314 } 2315 if (flags & IFF_POINTOPOINT) { 2316 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2317 if (errno == EADDRNOTAVAIL) 2318 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2319 else 2320 warn("SIOCGIFDSTADDR_ISO"); 2321 } 2322 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2323 siso = &ifr.ifr_Addr; 2324 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2325 } 2326 putchar('\n'); 2327 } 2328 2329 #endif /* INET_ONLY */ 2330 2331 #define SIN(x) ((struct sockaddr_in *) &(x)) 2332 struct sockaddr_in *sintab[] = { 2333 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2334 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2335 2336 void 2337 in_getaddr(s, which) 2338 const char *s; 2339 int which; 2340 { 2341 struct sockaddr_in *sin = sintab[which]; 2342 struct hostent *hp; 2343 struct netent *np; 2344 2345 sin->sin_len = sizeof(*sin); 2346 if (which != MASK) 2347 sin->sin_family = AF_INET; 2348 2349 if (which == ADDR) { 2350 char *p = NULL; 2351 if ((p = strrchr(s, '/')) != NULL) { 2352 *p = '\0'; 2353 in_getprefix(p + 1, MASK); 2354 } 2355 } 2356 2357 if (inet_aton(s, &sin->sin_addr) == 0) { 2358 if ((hp = gethostbyname(s)) != NULL) 2359 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2360 else if ((np = getnetbyname(s)) != NULL) 2361 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2362 else 2363 errx(1, "%s: bad value", s); 2364 } 2365 } 2366 2367 void 2368 in_getprefix(plen, which) 2369 const char *plen; 2370 int which; 2371 { 2372 register struct sockaddr_in *sin = sintab[which]; 2373 register u_char *cp; 2374 int len = strtol(plen, (char **)NULL, 10); 2375 2376 if ((len < 0) || (len > 32)) 2377 errx(1, "%s: bad value", plen); 2378 sin->sin_len = sizeof(*sin); 2379 if (which != MASK) 2380 sin->sin_family = AF_INET; 2381 if ((len == 0) || (len == 32)) { 2382 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2383 return; 2384 } 2385 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2386 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2387 *cp++ = 0xff; 2388 *cp = 0xff << (8 - len); 2389 } 2390 2391 /* 2392 * Print a value a la the %b format of the kernel's printf 2393 */ 2394 void 2395 printb(s, v, bits) 2396 const char *s; 2397 unsigned short v; 2398 const char *bits; 2399 { 2400 int i, any = 0; 2401 char c; 2402 2403 if (bits && *bits == 8) 2404 printf("%s=%o", s, v); 2405 else 2406 printf("%s=%x", s, v); 2407 bits++; 2408 if (bits) { 2409 putchar('<'); 2410 while ((i = *bits++) != 0) { 2411 if (v & (1 << (i-1))) { 2412 if (any) 2413 putchar(','); 2414 any = 1; 2415 for (; (c = *bits) > 32; bits++) 2416 putchar(c); 2417 } else 2418 for (; *bits > 32; bits++) 2419 ; 2420 } 2421 putchar('>'); 2422 } 2423 } 2424 2425 #ifdef INET6 2426 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2427 struct sockaddr_in6 *sin6tab[] = { 2428 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2429 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2430 2431 void 2432 in6_getaddr(s, which) 2433 const char *s; 2434 int which; 2435 { 2436 #if defined(__KAME__) && defined(KAME_SCOPEID) 2437 struct sockaddr_in6 *sin6 = sin6tab[which]; 2438 struct addrinfo hints, *res; 2439 int error; 2440 2441 memset(&hints, 0, sizeof(hints)); 2442 hints.ai_family = AF_INET6; 2443 hints.ai_socktype = SOCK_DGRAM; 2444 #if 0 /* in_getaddr() allows FQDN */ 2445 hints.ai_flags = AI_NUMERICHOST; 2446 #endif 2447 error = getaddrinfo(s, "0", &hints, &res); 2448 if (error) 2449 errx(1, "%s: %s", s, gai_strerror(error)); 2450 if (res->ai_next) 2451 errx(1, "%s: resolved to multiple hosts", s); 2452 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2453 errx(1, "%s: bad value", s); 2454 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2455 freeaddrinfo(res); 2456 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2457 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2458 htons(sin6->sin6_scope_id); 2459 sin6->sin6_scope_id = 0; 2460 } 2461 #else 2462 struct sockaddr_in6 *sin = sin6tab[which]; 2463 2464 sin->sin6_len = sizeof(*sin); 2465 if (which != MASK) 2466 sin->sin6_family = AF_INET6; 2467 2468 if (which == ADDR) { 2469 char *p = NULL; 2470 if((p = strrchr(s, '/')) != NULL) { 2471 *p = '\0'; 2472 in6_getprefix(p + 1, MASK); 2473 explicit_prefix = 1; 2474 } 2475 } 2476 2477 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2478 errx(1, "%s: bad value", s); 2479 #endif 2480 } 2481 2482 void 2483 in6_getprefix(plen, which) 2484 const char *plen; 2485 int which; 2486 { 2487 register struct sockaddr_in6 *sin = sin6tab[which]; 2488 register u_char *cp; 2489 int len = strtol(plen, (char **)NULL, 10); 2490 2491 if ((len < 0) || (len > 128)) 2492 errx(1, "%s: bad value", plen); 2493 sin->sin6_len = sizeof(*sin); 2494 if (which != MASK) 2495 sin->sin6_family = AF_INET6; 2496 if ((len == 0) || (len == 128)) { 2497 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2498 return; 2499 } 2500 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2501 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2502 *cp++ = 0xff; 2503 *cp = 0xff << (8 - len); 2504 } 2505 2506 int 2507 prefix(val, size) 2508 void *val; 2509 int size; 2510 { 2511 register u_char *name = (u_char *)val; 2512 register int byte, bit, plen = 0; 2513 2514 for (byte = 0; byte < size; byte++, plen += 8) 2515 if (name[byte] != 0xff) 2516 break; 2517 if (byte == size) 2518 return (plen); 2519 for (bit = 7; bit != 0; bit--, plen++) 2520 if (!(name[byte] & (1 << bit))) 2521 break; 2522 for (; bit != 0; bit--) 2523 if (name[byte] & (1 << bit)) 2524 return(0); 2525 byte++; 2526 for (; byte < size; byte++) 2527 if (name[byte]) 2528 return(0); 2529 return (plen); 2530 } 2531 #endif /*INET6*/ 2532 2533 #ifndef INET_ONLY 2534 void 2535 at_getaddr(addr, which) 2536 const char *addr; 2537 int which; 2538 { 2539 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2540 u_int net, node; 2541 2542 sat->sat_family = AF_APPLETALK; 2543 sat->sat_len = sizeof(*sat); 2544 if (which == MASK) 2545 errx(1, "AppleTalk does not use netmasks\n"); 2546 if (sscanf(addr, "%u.%u", &net, &node) != 2 2547 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2548 errx(1, "%s: illegal address", addr); 2549 sat->sat_addr.s_net = htons(net); 2550 sat->sat_addr.s_node = node; 2551 } 2552 2553 void 2554 setatrange(range, d) 2555 const char *range; 2556 int d; 2557 { 2558 u_short first = 123, last = 123; 2559 2560 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2561 || first == 0 || first > 0xffff 2562 || last == 0 || last > 0xffff || first > last) 2563 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2564 at_nr.nr_firstnet = htons(first); 2565 at_nr.nr_lastnet = htons(last); 2566 } 2567 2568 void 2569 setatphase(phase, d) 2570 const char *phase; 2571 int d; 2572 { 2573 if (!strcmp(phase, "1")) 2574 at_nr.nr_phase = 1; 2575 else if (!strcmp(phase, "2")) 2576 at_nr.nr_phase = 2; 2577 else 2578 errx(1, "%s: illegal phase", phase); 2579 } 2580 2581 void 2582 checkatrange(sat) 2583 struct sockaddr_at *sat; 2584 { 2585 if (at_nr.nr_phase == 0) 2586 at_nr.nr_phase = 2; /* Default phase 2 */ 2587 if (at_nr.nr_firstnet == 0) 2588 at_nr.nr_firstnet = /* Default range of one */ 2589 at_nr.nr_lastnet = sat->sat_addr.s_net; 2590 printf("\tatalk %d.%d range %d-%d phase %d\n", 2591 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2592 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2593 if ((u_short) ntohs(at_nr.nr_firstnet) > 2594 (u_short) ntohs(sat->sat_addr.s_net) 2595 || (u_short) ntohs(at_nr.nr_lastnet) < 2596 (u_short) ntohs(sat->sat_addr.s_net)) 2597 errx(1, "AppleTalk address is not in range"); 2598 *((struct netrange *) &sat->sat_zero) = at_nr; 2599 } 2600 2601 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2602 struct sockaddr_ns *snstab[] = { 2603 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2604 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2605 2606 void 2607 xns_getaddr(addr, which) 2608 const char *addr; 2609 int which; 2610 { 2611 struct sockaddr_ns *sns = snstab[which]; 2612 2613 sns->sns_family = AF_NS; 2614 sns->sns_len = sizeof(*sns); 2615 sns->sns_addr = ns_addr(addr); 2616 if (which == MASK) 2617 puts("Attempt to set XNS netmask will be ineffectual"); 2618 } 2619 2620 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2621 struct sockaddr_iso *sisotab[] = { 2622 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2623 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2624 2625 void 2626 iso_getaddr(addr, which) 2627 const char *addr; 2628 int which; 2629 { 2630 struct sockaddr_iso *siso = sisotab[which]; 2631 siso->siso_addr = *iso_addr(addr); 2632 2633 if (which == MASK) { 2634 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2635 siso->siso_nlen = 0; 2636 } else { 2637 siso->siso_len = sizeof(*siso); 2638 siso->siso_family = AF_ISO; 2639 } 2640 } 2641 2642 void 2643 setsnpaoffset(val, d) 2644 const char *val; 2645 int d; 2646 { 2647 iso_addreq.ifra_snpaoffset = atoi(val); 2648 } 2649 2650 void 2651 setnsellength(val, d) 2652 const char *val; 2653 int d; 2654 { 2655 nsellength = atoi(val); 2656 if (nsellength < 0) 2657 errx(1, "Negative NSEL length is absurd"); 2658 if (afp == 0 || afp->af_af != AF_ISO) 2659 errx(1, "Setting NSEL length valid only for iso"); 2660 } 2661 2662 void 2663 fixnsel(s) 2664 struct sockaddr_iso *s; 2665 { 2666 if (s->siso_family == 0) 2667 return; 2668 s->siso_tlen = nsellength; 2669 } 2670 2671 void 2672 adjust_nsellength() 2673 { 2674 fixnsel(sisotab[RIDADDR]); 2675 fixnsel(sisotab[ADDR]); 2676 fixnsel(sisotab[DSTADDR]); 2677 } 2678 2679 #endif /* INET_ONLY */ 2680 2681 void 2682 usage() 2683 { 2684 const char *progname = getprogname(); 2685 2686 fprintf(stderr, 2687 "usage: %s [ -m ] [ -A ] " 2688 #ifdef INET6 2689 "[ -L ] " 2690 #endif 2691 "interface\n" 2692 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2693 "\t\t[ alias | -alias ] ]\n" 2694 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2695 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2696 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2697 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2698 "\t[ arp | -arp ]\n" 2699 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2700 "[ instance minst ]\n" 2701 "\t[ vlan n vlanif i ]\n" 2702 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2703 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2704 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2705 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2706 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2707 " %s -C\n" 2708 " %s interface create\n" 2709 " %s interface destroy\n", 2710 progname, progname, progname, progname, progname, progname); 2711 exit(1); 2712 } 2713 2714 #ifdef INET6 2715 char * 2716 sec2str(total) 2717 time_t total; 2718 { 2719 static char result[256]; 2720 int days, hours, mins, secs; 2721 int first = 1; 2722 char *p = result; 2723 2724 if (0) { /*XXX*/ 2725 days = total / 3600 / 24; 2726 hours = (total / 3600) % 24; 2727 mins = (total / 60) % 60; 2728 secs = total % 60; 2729 2730 if (days) { 2731 first = 0; 2732 p += sprintf(p, "%dd", days); 2733 } 2734 if (!first || hours) { 2735 first = 0; 2736 p += sprintf(p, "%dh", hours); 2737 } 2738 if (!first || mins) { 2739 first = 0; 2740 p += sprintf(p, "%dm", mins); 2741 } 2742 sprintf(p, "%ds", secs); 2743 } else 2744 sprintf(p, "%lu", (u_long)total); 2745 2746 return(result); 2747 } 2748 #endif 2749
Indexes created Wed Oct 29 12:09:47 GMT 2025