ifconfig.c revision 1.140
1 /* $NetBSD: ifconfig.c,v 1.140 2004/02/27 21:36:17 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. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/cdefs.h> 70 #ifndef lint 71 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73 #endif /* not lint */ 74 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.140 2004/02/27 21:36:17 itojun Exp $"); 80 #endif 81 #endif /* not lint */ 82 83 #include <sys/param.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 87 #include <net/if.h> 88 #include <net/if_dl.h> 89 #include <net/if_media.h> 90 #include <net/if_ether.h> 91 #include <net80211/ieee80211.h> 92 #include <net80211/ieee80211_ioctl.h> 93 #include <net/if_vlanvar.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 #include <ifaddrs.h> 122 #include <util.h> 123 124 struct ifreq ifr, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 struct in_aliasreq in_addreq; 127 #ifdef INET6 128 struct in6_ifreq ifr6; 129 struct in6_ifreq in6_ridreq; 130 struct in6_aliasreq in6_addreq; 131 #endif 132 struct iso_ifreq iso_ridreq; 133 struct iso_aliasreq iso_addreq; 134 struct sockaddr_in netmask; 135 struct netrange at_nr; /* AppleTalk net range */ 136 137 char name[30]; 138 u_short flags; 139 int setaddr, setipdst, doalias; 140 u_long metric, mtu; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int reset_if_flags; 151 int explicit_prefix = 0; 152 u_int vlan_tag = (u_int)-1; 153 154 struct ifcapreq g_ifcr; 155 int g_ifcr_updated; 156 157 void notealias __P((const char *, int)); 158 void notrailers __P((const char *, int)); 159 void setifaddr __P((const char *, int)); 160 void setifdstaddr __P((const char *, int)); 161 void setifflags __P((const char *, int)); 162 void setifcaps __P((const char *, int)); 163 void setifbroadaddr __P((const char *, int)); 164 void setifipdst __P((const char *, int)); 165 void setifmetric __P((const char *, int)); 166 void setifmtu __P((const char *, int)); 167 void setifnwid __P((const char *, int)); 168 void setifnwkey __P((const char *, int)); 169 void setifbssid __P((const char *, int)); 170 void setifchan __P((const char *, int)); 171 void setifpowersave __P((const char *, int)); 172 void setifpowersavesleep __P((const char *, int)); 173 void setifnetmask __P((const char *, int)); 174 void setifprefixlen __P((const char *, int)); 175 void setnsellength __P((const char *, int)); 176 void setsnpaoffset __P((const char *, int)); 177 void setatrange __P((const char *, int)); 178 void setatphase __P((const char *, int)); 179 void settunnel __P((const char *, const char *)); 180 void deletetunnel __P((const char *, int)); 181 #ifdef INET6 182 void setia6flags __P((const char *, int)); 183 void setia6pltime __P((const char *, int)); 184 void setia6vltime __P((const char *, int)); 185 void setia6lifetime __P((const char *, const char *)); 186 void setia6eui64 __P((const char *, int)); 187 #endif 188 void checkatrange __P ((struct sockaddr_at *)); 189 void setmedia __P((const char *, int)); 190 void setmediamode __P((const char *, int)); 191 void setmediaopt __P((const char *, int)); 192 void unsetmediaopt __P((const char *, int)); 193 void setmediainst __P((const char *, int)); 194 void clone_create __P((const char *, int)); 195 void clone_destroy __P((const char *, int)); 196 void fixnsel __P((struct sockaddr_iso *)); 197 void setvlan __P((const char *, int)); 198 void setvlanif __P((const char *, int)); 199 void unsetvlanif __P((const char *, int)); 200 int main __P((int, char *[])); 201 202 /* 203 * Media stuff. Whenever a media command is first performed, the 204 * currently select media is grabbed for this interface. If `media' 205 * is given, the current media word is modifed. `mediaopt' commands 206 * only modify the set and clear words. They then operate on the 207 * current media word later. 208 */ 209 int media_current; 210 int mediaopt_set; 211 int mediaopt_clear; 212 213 int actions; /* Actions performed */ 214 215 #define A_MEDIA 0x0001 /* media command */ 216 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 217 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 218 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 219 #define A_MEDIAINST 0x0008 /* instance or inst command */ 220 #define A_MEDIAMODE 0x0010 /* mode command */ 221 222 #define NEXTARG 0xffffff 223 #define NEXTARG2 0xfffffe 224 225 const struct cmd { 226 const char *c_name; 227 int c_parameter; /* NEXTARG means next argv */ 228 int c_action; /* defered action */ 229 void (*c_func) __P((const char *, int)); 230 void (*c_func2) __P((const char *, const char *)); 231 } cmds[] = { 232 { "up", IFF_UP, 0, setifflags } , 233 { "down", -IFF_UP, 0, setifflags }, 234 { "trailers", -1, 0, notrailers }, 235 { "-trailers", 1, 0, notrailers }, 236 { "arp", -IFF_NOARP, 0, setifflags }, 237 { "-arp", IFF_NOARP, 0, setifflags }, 238 { "debug", IFF_DEBUG, 0, setifflags }, 239 { "-debug", -IFF_DEBUG, 0, setifflags }, 240 { "alias", IFF_UP, 0, notealias }, 241 { "-alias", -IFF_UP, 0, notealias }, 242 { "delete", -IFF_UP, 0, notealias }, 243 #ifdef notdef 244 #define EN_SWABIPS 0x1000 245 { "swabips", EN_SWABIPS, 0, setifflags }, 246 { "-swabips", -EN_SWABIPS, 0, setifflags }, 247 #endif 248 { "netmask", NEXTARG, 0, setifnetmask }, 249 { "metric", NEXTARG, 0, setifmetric }, 250 { "mtu", NEXTARG, 0, setifmtu }, 251 { "bssid", NEXTARG, 0, setifbssid }, 252 { "-bssid", -1, 0, setifbssid }, 253 { "chan", NEXTARG, 0, setifchan }, 254 { "-chan", -1, 0, setifchan }, 255 { "nwid", NEXTARG, 0, setifnwid }, 256 { "nwkey", NEXTARG, 0, setifnwkey }, 257 { "-nwkey", -1, 0, setifnwkey }, 258 { "powersave", 1, 0, setifpowersave }, 259 { "-powersave", 0, 0, setifpowersave }, 260 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 261 { "broadcast", NEXTARG, 0, setifbroadaddr }, 262 { "ipdst", NEXTARG, 0, setifipdst }, 263 { "prefixlen", NEXTARG, 0, setifprefixlen}, 264 #ifdef INET6 265 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 266 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 267 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 268 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 269 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 270 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 271 { "pltime", NEXTARG, 0, setia6pltime }, 272 { "vltime", NEXTARG, 0, setia6vltime }, 273 { "eui64", 0, 0, setia6eui64 }, 274 #endif /*INET6*/ 275 #ifndef INET_ONLY 276 { "range", NEXTARG, 0, setatrange }, 277 { "phase", NEXTARG, 0, setatphase }, 278 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 279 { "nsellength", NEXTARG, 0, setnsellength }, 280 #endif /* INET_ONLY */ 281 { "tunnel", NEXTARG2, 0, NULL, 282 settunnel } , 283 { "deletetunnel", 0, 0, deletetunnel }, 284 { "vlan", NEXTARG, 0, setvlan } , 285 { "vlanif", NEXTARG, 0, setvlanif } , 286 { "-vlanif", 0, 0, unsetvlanif } , 287 #if 0 288 /* XXX `create' special-cased below */ 289 { "create", 0, 0, clone_create } , 290 #endif 291 { "destroy", 0, 0, clone_destroy } , 292 { "link0", IFF_LINK0, 0, setifflags } , 293 { "-link0", -IFF_LINK0, 0, setifflags } , 294 { "link1", IFF_LINK1, 0, setifflags } , 295 { "-link1", -IFF_LINK1, 0, setifflags } , 296 { "link2", IFF_LINK2, 0, setifflags } , 297 { "-link2", -IFF_LINK2, 0, setifflags } , 298 { "media", NEXTARG, A_MEDIA, setmedia }, 299 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 300 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 301 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 302 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 303 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 304 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 305 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 306 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 307 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 308 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 309 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 310 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 311 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 312 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 313 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 314 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 315 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 316 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 317 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 318 { 0, 0, 0, setifaddr }, 319 { 0, 0, 0, setifdstaddr }, 320 }; 321 322 void adjust_nsellength __P((void)); 323 int getinfo __P((struct ifreq *)); 324 int carrier __P((void)); 325 void getsock __P((int)); 326 void printall __P((const char *)); 327 void list_cloners __P((void)); 328 int prefix __P((void *, int)); 329 void status __P((const struct sockaddr_dl *)); 330 void usage __P((void)); 331 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 332 void print_string __P((const u_int8_t *, int)); 333 char *sec2str __P((time_t)); 334 335 const char *get_media_type_string __P((int)); 336 const char *get_media_subtype_string __P((int)); 337 int get_media_mode __P((int, const char *)); 338 int get_media_subtype __P((int, const char *)); 339 int get_media_options __P((int, const char *)); 340 int lookup_media_word __P((struct ifmedia_description *, int, 341 const char *)); 342 void print_media_word __P((int, int, int)); 343 void process_media_commands __P((void)); 344 void init_current_media __P((void)); 345 346 /* 347 * XNS support liberally adapted from code written at the University of 348 * Maryland principally by James O'Toole and Chris Torek. 349 */ 350 void in_alias __P((struct ifreq *)); 351 void in_status __P((int)); 352 void in_getaddr __P((const char *, int)); 353 void in_getprefix __P((const char *, int)); 354 #ifdef INET6 355 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 356 void in6_alias __P((struct in6_ifreq *)); 357 void in6_status __P((int)); 358 void in6_getaddr __P((const char *, int)); 359 void in6_getprefix __P((const char *, int)); 360 #endif 361 void at_status __P((int)); 362 void at_getaddr __P((const char *, int)); 363 void xns_status __P((int)); 364 void xns_getaddr __P((const char *, int)); 365 void iso_status __P((int)); 366 void iso_getaddr __P((const char *, int)); 367 368 void ieee80211_status __P((void)); 369 void tunnel_status __P((void)); 370 void vlan_status __P((void)); 371 372 /* Known address families */ 373 struct afswtch { 374 const char *af_name; 375 short af_af; 376 void (*af_status) __P((int)); 377 void (*af_getaddr) __P((const char *, int)); 378 void (*af_getprefix) __P((const char *, int)); 379 u_long af_difaddr; 380 u_long af_aifaddr; 381 u_long af_gifaddr; 382 caddr_t af_ridreq; 383 caddr_t af_addreq; 384 } afs[] = { 385 #define C(x) ((caddr_t) &x) 386 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 387 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 388 #ifdef INET6 389 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 390 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 391 /* 392 * Deleting the first address before setting new one is 393 * not prefered way in this protocol. 394 */ 395 0, 396 C(in6_ridreq), C(in6_addreq) }, 397 #endif 398 #ifndef INET_ONLY /* small version, for boot media */ 399 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 400 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 401 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 402 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 403 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 404 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 405 C(iso_ridreq), C(iso_addreq) }, 406 #endif /* INET_ONLY */ 407 { 0, 0, 0, 0 } 408 }; 409 410 struct afswtch *afp; /*the address family being set or asked about*/ 411 412 struct afswtch *lookup_af __P((const char *)); 413 414 int 415 main(argc, argv) 416 int argc; 417 char *argv[]; 418 { 419 struct ifreq ifreq; 420 int ch; 421 422 /* Parse command-line options */ 423 aflag = mflag = vflag = zflag = 0; 424 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 425 #ifdef INET6 426 "L" 427 #endif 428 )) != -1) { 429 switch (ch) { 430 case 'A': 431 warnx("-A is deprecated"); 432 break; 433 434 case 'a': 435 aflag = 1; 436 break; 437 438 case 'b': 439 bflag = 1; 440 break; 441 442 case 'C': 443 Cflag = 1; 444 break; 445 446 case 'd': 447 dflag = 1; 448 break; 449 450 #ifdef INET6 451 case 'L': 452 Lflag = 1; 453 break; 454 #endif 455 456 case 'l': 457 lflag = 1; 458 break; 459 460 case 'm': 461 mflag = 1; 462 break; 463 464 case 's': 465 sflag = 1; 466 break; 467 468 case 'u': 469 uflag = 1; 470 break; 471 472 case 'v': 473 vflag = 1; 474 break; 475 476 case 'z': 477 zflag = 1; 478 break; 479 480 481 default: 482 usage(); 483 /* NOTREACHED */ 484 } 485 } 486 argc -= optind; 487 argv += optind; 488 489 /* 490 * -l means "list all interfaces", and is mutally exclusive with 491 * all other flags/commands. 492 * 493 * -C means "list all names of cloners", and it mutually exclusive 494 * with all other flags/commands. 495 * 496 * -a means "print status of all interfaces". 497 */ 498 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 499 usage(); 500 #ifdef INET6 501 if ((lflag || Cflag) && Lflag) 502 usage(); 503 #endif 504 if (lflag && Cflag) 505 usage(); 506 if (Cflag) { 507 if (argc) 508 usage(); 509 list_cloners(); 510 exit(0); 511 } 512 if (aflag || lflag) { 513 if (argc > 1) 514 usage(); 515 else if (argc == 1) { 516 afp = lookup_af(argv[0]); 517 if (afp == NULL) 518 usage(); 519 } 520 if (afp) 521 af = ifr.ifr_addr.sa_family = afp->af_af; 522 else 523 af = ifr.ifr_addr.sa_family = afs[0].af_af; 524 printall(NULL); 525 exit(0); 526 } 527 528 /* Make sure there's an interface name. */ 529 if (argc < 1) 530 usage(); 531 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 532 errx(1, "interface name '%s' too long", argv[0]); 533 argc--; argv++; 534 535 /* 536 * NOTE: We must special-case the `create' command right 537 * here as we would otherwise fail in getinfo(). 538 */ 539 if (argc > 0 && strcmp(argv[0], "create") == 0) { 540 clone_create(argv[0], 0); 541 argc--, argv++; 542 if (argc == 0) 543 exit(0); 544 } 545 546 /* Check for address family. */ 547 afp = NULL; 548 if (argc > 0) { 549 afp = lookup_af(argv[0]); 550 if (afp != NULL) { 551 argv++; 552 argc--; 553 } 554 } 555 556 /* Initialize af, just for use in getinfo(). */ 557 if (afp == NULL) 558 af = afs->af_af; 559 else 560 af = afp->af_af; 561 562 /* Get information about the interface. */ 563 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 564 if (getinfo(&ifr) < 0) 565 exit(1); 566 567 if (sflag) { 568 if (argc != 0) 569 usage(); 570 else 571 exit(carrier()); 572 } 573 574 /* No more arguments means interface status. */ 575 if (argc == 0) { 576 printall(name); 577 exit(0); 578 } 579 580 /* The following operations assume inet family as the default. */ 581 if (afp == NULL) 582 afp = afs; 583 af = ifr.ifr_addr.sa_family = afp->af_af; 584 585 #ifdef INET6 586 /* initialization */ 587 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 588 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 589 #endif 590 591 /* Process commands. */ 592 while (argc > 0) { 593 const struct cmd *p; 594 595 for (p = cmds; p->c_name; p++) 596 if (strcmp(argv[0], p->c_name) == 0) 597 break; 598 if (p->c_name == 0 && setaddr) { 599 if ((flags & IFF_POINTOPOINT) == 0) { 600 errx(EXIT_FAILURE, 601 "can't set destination address %s", 602 "on non-point-to-point link"); 603 } 604 p++; /* got src, do dst */ 605 } 606 if (p->c_func != NULL || p->c_func2 != NULL) { 607 if (p->c_parameter == NEXTARG) { 608 if (argc < 2) 609 errx(EXIT_FAILURE, 610 "'%s' requires argument", 611 p->c_name); 612 (*p->c_func)(argv[1], 0); 613 argc--, argv++; 614 } else if (p->c_parameter == NEXTARG2) { 615 if (argc < 3) 616 errx(EXIT_FAILURE, 617 "'%s' requires 2 arguments", 618 p->c_name); 619 (*p->c_func2)(argv[1], argv[2]); 620 argc -= 2, argv += 2; 621 } else 622 (*p->c_func)(argv[0], p->c_parameter); 623 actions |= p->c_action; 624 } 625 argc--, argv++; 626 } 627 628 /* 629 * See if multiple alias, -alias, or delete commands were 630 * specified. More than one constitutes an invalid command line 631 */ 632 633 if (conflicting > 1) 634 err(EXIT_FAILURE, 635 "Only one use of alias, -alias or delete is valid."); 636 637 /* Process any media commands that may have been issued. */ 638 process_media_commands(); 639 640 if (af == AF_INET6 && explicit_prefix == 0) { 641 /* 642 * Aggregatable address architecture defines all prefixes 643 * are 64. So, it is convenient to set prefixlen to 64 if 644 * it is not specified. 645 */ 646 setifprefixlen("64", 0); 647 /* in6_getprefix("64", MASK) if MASK is available here... */ 648 } 649 650 #ifndef INET_ONLY 651 if (af == AF_ISO) 652 adjust_nsellength(); 653 654 if (af == AF_APPLETALK) 655 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 656 657 if (setipdst && af==AF_NS) { 658 struct nsip_req rq; 659 int size = sizeof(rq); 660 661 rq.rq_ns = addreq.ifra_addr; 662 rq.rq_ip = addreq.ifra_dstaddr; 663 664 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 665 warn("encapsulation routing"); 666 } 667 668 #endif /* INET_ONLY */ 669 670 if (clearaddr) { 671 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 672 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 673 err(EXIT_FAILURE, "SIOCDIFADDR"); 674 } 675 if (newaddr > 0) { 676 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 677 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 678 warn("SIOCAIFADDR"); 679 } 680 681 if (g_ifcr_updated) { 682 (void) strncpy(g_ifcr.ifcr_name, name, 683 sizeof(g_ifcr.ifcr_name)); 684 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 685 err(EXIT_FAILURE, "SIOCSIFCAP"); 686 } 687 688 if (reset_if_flags) { 689 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 690 ifreq.ifr_flags = flags; 691 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 692 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 693 } 694 exit(0); 695 } 696 697 struct afswtch * 698 lookup_af(cp) 699 const char *cp; 700 { 701 struct afswtch *a; 702 703 for (a = afs; a->af_name != NULL; a++) 704 if (strcmp(a->af_name, cp) == 0) 705 return (a); 706 return (NULL); 707 } 708 709 void 710 getsock(naf) 711 int naf; 712 { 713 static int oaf = -1; 714 715 if (oaf == naf) 716 return; 717 if (oaf != -1) 718 close(s); 719 s = socket(naf, SOCK_DGRAM, 0); 720 if (s < 0) 721 oaf = -1; 722 else 723 oaf = naf; 724 } 725 726 int 727 getinfo(giifr) 728 struct ifreq *giifr; 729 { 730 731 getsock(af); 732 if (s < 0) 733 err(EXIT_FAILURE, "socket"); 734 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 735 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 736 return (-1); 737 } 738 flags = giifr->ifr_flags; 739 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 740 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 741 metric = 0; 742 } else 743 metric = giifr->ifr_metric; 744 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 745 mtu = 0; 746 else 747 mtu = giifr->ifr_mtu; 748 749 memset(&g_ifcr, 0, sizeof(g_ifcr)); 750 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 751 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 752 753 return (0); 754 } 755 756 void 757 printall(ifname) 758 const char *ifname; 759 { 760 struct ifaddrs *ifap, *ifa; 761 struct ifreq paifr; 762 const struct sockaddr_dl *sdl = NULL; 763 int idx; 764 char *p; 765 766 if (getifaddrs(&ifap) != 0) 767 err(EXIT_FAILURE, "getifaddrs"); 768 p = NULL; 769 idx = 0; 770 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 771 memset(&paifr, 0, sizeof(paifr)); 772 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 773 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 774 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 775 ifa->ifa_addr->sa_len); 776 } 777 778 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 779 continue; 780 if (ifa->ifa_addr->sa_family == AF_LINK) 781 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 782 if (p && strcmp(p, ifa->ifa_name) == 0) 783 continue; 784 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 785 continue; 786 p = ifa->ifa_name; 787 788 if (getinfo(&paifr) < 0) 789 continue; 790 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 791 continue; 792 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 793 continue; 794 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 795 continue; 796 797 if (sflag && carrier()) 798 continue; 799 idx++; 800 /* 801 * Are we just listing the interfaces? 802 */ 803 if (lflag) { 804 if (idx > 1) 805 putchar(' '); 806 fputs(name, stdout); 807 continue; 808 } 809 810 status(sdl); 811 sdl = NULL; 812 } 813 if (lflag) 814 putchar('\n'); 815 freeifaddrs(ifap); 816 } 817 818 void 819 list_cloners(void) 820 { 821 struct if_clonereq ifcr; 822 char *cp, *buf; 823 int idx; 824 825 memset(&ifcr, 0, sizeof(ifcr)); 826 827 getsock(AF_INET); 828 829 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 830 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 831 832 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 833 if (buf == NULL) 834 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 835 836 ifcr.ifcr_count = ifcr.ifcr_total; 837 ifcr.ifcr_buffer = buf; 838 839 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 840 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 841 842 /* 843 * In case some disappeared in the mean time, clamp it down. 844 */ 845 if (ifcr.ifcr_count > ifcr.ifcr_total) 846 ifcr.ifcr_count = ifcr.ifcr_total; 847 848 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 849 if (idx > 0) 850 putchar(' '); 851 printf("%s", cp); 852 } 853 854 putchar('\n'); 855 free(buf); 856 return; 857 } 858 859 /*ARGSUSED*/ 860 void 861 clone_create(addr, param) 862 const char *addr; 863 int param; 864 { 865 866 /* We're called early... */ 867 getsock(AF_INET); 868 869 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 870 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 871 err(EXIT_FAILURE, "SIOCIFCREATE"); 872 } 873 874 /*ARGSUSED*/ 875 void 876 clone_destroy(addr, param) 877 const char *addr; 878 int param; 879 { 880 881 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 882 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 883 err(EXIT_FAILURE, "SIOCIFDESTROY"); 884 } 885 886 #define RIDADDR 0 887 #define ADDR 1 888 #define MASK 2 889 #define DSTADDR 3 890 891 /*ARGSUSED*/ 892 void 893 setifaddr(addr, param) 894 const char *addr; 895 int param; 896 { 897 struct ifreq *siifr; /* XXX */ 898 899 /* 900 * Delay the ioctl to set the interface addr until flags are all set. 901 * The address interpretation may depend on the flags, 902 * and the flags may change when the address is set. 903 */ 904 setaddr++; 905 if (newaddr == -1) 906 newaddr = 1; 907 if (doalias == 0 && afp->af_gifaddr != 0) { 908 siifr = (struct ifreq *)afp->af_ridreq; 909 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 910 siifr->ifr_addr.sa_family = afp->af_af; 911 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 912 clearaddr = 1; 913 else if (errno == EADDRNOTAVAIL) 914 /* No address was assigned yet. */ 915 ; 916 else 917 err(EXIT_FAILURE, "SIOCGIFADDR"); 918 } 919 920 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 921 } 922 923 void 924 settunnel(src, dst) 925 const char *src, *dst; 926 { 927 struct addrinfo hints, *srcres, *dstres; 928 int ecode; 929 struct if_laddrreq req; 930 931 memset(&hints, 0, sizeof(hints)); 932 hints.ai_family = afp->af_af; 933 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 934 935 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 936 errx(EXIT_FAILURE, "error in parsing address string: %s", 937 gai_strerror(ecode)); 938 939 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 940 errx(EXIT_FAILURE, "error in parsing address string: %s", 941 gai_strerror(ecode)); 942 943 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 944 errx(EXIT_FAILURE, 945 "source and destination address families do not match"); 946 947 if (srcres->ai_addrlen > sizeof(req.addr) || 948 dstres->ai_addrlen > sizeof(req.dstaddr)) 949 errx(EXIT_FAILURE, "invalid sockaddr"); 950 951 memset(&req, 0, sizeof(req)); 952 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 953 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 954 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 955 956 #ifdef INET6 957 if (req.addr.ss_family == AF_INET6) { 958 struct sockaddr_in6 *s6, *d; 959 960 s6 = (struct sockaddr_in6 *)&req.addr; 961 d = (struct sockaddr_in6 *)&req.dstaddr; 962 if (s6->sin6_scope_id != d->sin6_scope_id) { 963 errx(EXIT_FAILURE, "scope mismatch"); 964 /* NOTREACHED */ 965 } 966 #ifdef __KAME__ 967 /* embed scopeid */ 968 if (s6->sin6_scope_id && 969 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 970 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 971 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 972 htons(s6->sin6_scope_id); 973 } 974 if (d->sin6_scope_id && 975 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 976 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 977 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 978 htons(d->sin6_scope_id); 979 } 980 #endif 981 } 982 #endif 983 984 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 985 warn("SIOCSLIFPHYADDR"); 986 987 freeaddrinfo(srcres); 988 freeaddrinfo(dstres); 989 } 990 991 /* ARGSUSED */ 992 void 993 deletetunnel(vname, param) 994 const char *vname; 995 int param; 996 { 997 998 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 999 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 1000 } 1001 1002 void setvlan(val, d) 1003 const char *val; 1004 int d; 1005 { 1006 struct vlanreq vlr; 1007 1008 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1009 !isdigit(ifr.ifr_name[4])) 1010 errx(EXIT_FAILURE, 1011 "``vlan'' valid only with vlan(4) interfaces"); 1012 1013 vlan_tag = atoi(val); 1014 1015 memset(&vlr, 0, sizeof(vlr)); 1016 ifr.ifr_data = (caddr_t)&vlr; 1017 1018 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1019 err(EXIT_FAILURE, "SIOCGETVLAN"); 1020 1021 vlr.vlr_tag = vlan_tag; 1022 1023 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1024 err(EXIT_FAILURE, "SIOCSETVLAN"); 1025 } 1026 1027 void setvlanif(val, d) 1028 const char *val; 1029 int d; 1030 { 1031 struct vlanreq vlr; 1032 1033 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1034 !isdigit(ifr.ifr_name[4])) 1035 errx(EXIT_FAILURE, 1036 "``vlanif'' valid only with vlan(4) interfaces"); 1037 1038 if (vlan_tag == (u_int)-1) 1039 errx(EXIT_FAILURE, 1040 "must specify both ``vlan'' and ``vlanif''"); 1041 1042 memset(&vlr, 0, sizeof(vlr)); 1043 ifr.ifr_data = (caddr_t)&vlr; 1044 1045 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1046 err(EXIT_FAILURE, "SIOCGETVLAN"); 1047 1048 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1049 vlr.vlr_tag = vlan_tag; 1050 1051 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1052 err(EXIT_FAILURE, "SIOCSETVLAN"); 1053 } 1054 1055 void unsetvlanif(val, d) 1056 const char *val; 1057 int d; 1058 { 1059 struct vlanreq vlr; 1060 1061 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1062 !isdigit(ifr.ifr_name[4])) 1063 errx(EXIT_FAILURE, 1064 "``vlanif'' valid only with vlan(4) interfaces"); 1065 1066 memset(&vlr, 0, sizeof(vlr)); 1067 ifr.ifr_data = (caddr_t)&vlr; 1068 1069 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1070 err(EXIT_FAILURE, "SIOCGETVLAN"); 1071 1072 vlr.vlr_parent[0] = '\0'; 1073 vlr.vlr_tag = 0; 1074 1075 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1076 err(EXIT_FAILURE, "SIOCSETVLAN"); 1077 } 1078 1079 void 1080 setifnetmask(addr, d) 1081 const char *addr; 1082 int d; 1083 { 1084 (*afp->af_getaddr)(addr, MASK); 1085 } 1086 1087 void 1088 setifbroadaddr(addr, d) 1089 const char *addr; 1090 int d; 1091 { 1092 (*afp->af_getaddr)(addr, DSTADDR); 1093 } 1094 1095 void 1096 setifipdst(addr, d) 1097 const char *addr; 1098 int d; 1099 { 1100 in_getaddr(addr, DSTADDR); 1101 setipdst++; 1102 clearaddr = 0; 1103 newaddr = 0; 1104 } 1105 1106 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1107 /*ARGSUSED*/ 1108 void 1109 notealias(addr, param) 1110 const char *addr; 1111 int param; 1112 { 1113 if (setaddr && doalias == 0 && param < 0) 1114 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1115 rqtosa(af_addreq)->sa_len); 1116 doalias = param; 1117 if (param < 0) { 1118 clearaddr = 1; 1119 newaddr = 0; 1120 conflicting++; 1121 } else { 1122 clearaddr = 0; 1123 conflicting++; 1124 } 1125 } 1126 1127 /*ARGSUSED*/ 1128 void 1129 notrailers(vname, value) 1130 const char *vname; 1131 int value; 1132 { 1133 puts("Note: trailers are no longer sent, but always received"); 1134 } 1135 1136 /*ARGSUSED*/ 1137 void 1138 setifdstaddr(addr, param) 1139 const char *addr; 1140 int param; 1141 { 1142 (*afp->af_getaddr)(addr, DSTADDR); 1143 } 1144 1145 void 1146 setifflags(vname, value) 1147 const char *vname; 1148 int value; 1149 { 1150 struct ifreq ifreq; 1151 1152 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1153 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1154 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1155 flags = ifreq.ifr_flags; 1156 1157 if (value < 0) { 1158 value = -value; 1159 flags &= ~value; 1160 } else 1161 flags |= value; 1162 ifreq.ifr_flags = flags; 1163 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1164 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1165 1166 reset_if_flags = 1; 1167 } 1168 1169 void 1170 setifcaps(vname, value) 1171 const char *vname; 1172 int value; 1173 { 1174 1175 if (value < 0) { 1176 value = -value; 1177 g_ifcr.ifcr_capenable &= ~value; 1178 } else 1179 g_ifcr.ifcr_capenable |= value; 1180 1181 g_ifcr_updated = 1; 1182 } 1183 1184 #ifdef INET6 1185 void 1186 setia6flags(vname, value) 1187 const char *vname; 1188 int value; 1189 { 1190 1191 if (value < 0) { 1192 value = -value; 1193 in6_addreq.ifra_flags &= ~value; 1194 } else 1195 in6_addreq.ifra_flags |= value; 1196 } 1197 1198 void 1199 setia6pltime(val, d) 1200 const char *val; 1201 int d; 1202 { 1203 1204 setia6lifetime("pltime", val); 1205 } 1206 1207 void 1208 setia6vltime(val, d) 1209 const char *val; 1210 int d; 1211 { 1212 1213 setia6lifetime("vltime", val); 1214 } 1215 1216 void 1217 setia6lifetime(cmd, val) 1218 const char *cmd; 1219 const char *val; 1220 { 1221 time_t newval, t; 1222 char *ep; 1223 1224 t = time(NULL); 1225 newval = (time_t)strtoul(val, &ep, 0); 1226 if (val == ep) 1227 errx(EXIT_FAILURE, "invalid %s", cmd); 1228 if (afp->af_af != AF_INET6) 1229 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1230 if (strcmp(cmd, "vltime") == 0) { 1231 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1232 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1233 } else if (strcmp(cmd, "pltime") == 0) { 1234 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1235 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1236 } 1237 } 1238 1239 void 1240 setia6eui64(cmd, val) 1241 const char *cmd; 1242 int val; 1243 { 1244 struct ifaddrs *ifap, *ifa; 1245 const struct sockaddr_in6 *sin6 = NULL; 1246 const struct in6_addr *lladdr = NULL; 1247 struct in6_addr *in6; 1248 1249 if (afp->af_af != AF_INET6) 1250 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1251 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1252 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1253 errx(EXIT_FAILURE, "interface index is already filled"); 1254 if (getifaddrs(&ifap) != 0) 1255 err(EXIT_FAILURE, "getifaddrs"); 1256 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1257 if (ifa->ifa_addr->sa_family == AF_INET6 && 1258 strcmp(ifa->ifa_name, name) == 0) { 1259 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1260 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1261 lladdr = &sin6->sin6_addr; 1262 break; 1263 } 1264 } 1265 } 1266 if (!lladdr) 1267 errx(EXIT_FAILURE, "could not determine link local address"); 1268 1269 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1270 1271 freeifaddrs(ifap); 1272 } 1273 #endif 1274 1275 void 1276 setifmetric(val, d) 1277 const char *val; 1278 int d; 1279 { 1280 char *ep = NULL; 1281 1282 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1283 ifr.ifr_metric = strtoul(val, &ep, 10); 1284 if (!ep || *ep) 1285 errx(EXIT_FAILURE, "%s: invalid metric", val); 1286 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1287 warn("SIOCSIFMETRIC"); 1288 } 1289 1290 void 1291 setifmtu(val, d) 1292 const char *val; 1293 int d; 1294 { 1295 char *ep = NULL; 1296 1297 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1298 ifr.ifr_mtu = strtoul(val, &ep, 10); 1299 if (!ep || *ep) 1300 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1301 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1302 warn("SIOCSIFMTU"); 1303 } 1304 1305 const char * 1306 get_string(val, sep, buf, lenp) 1307 const char *val, *sep; 1308 u_int8_t *buf; 1309 int *lenp; 1310 { 1311 int len; 1312 int hexstr; 1313 u_int8_t *p; 1314 1315 len = *lenp; 1316 p = buf; 1317 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1318 if (hexstr) 1319 val += 2; 1320 for (;;) { 1321 if (*val == '\0') 1322 break; 1323 if (sep != NULL && strchr(sep, *val) != NULL) { 1324 val++; 1325 break; 1326 } 1327 if (hexstr) { 1328 if (!isxdigit((u_char)val[0]) || 1329 !isxdigit((u_char)val[1])) { 1330 warnx("bad hexadecimal digits"); 1331 return NULL; 1332 } 1333 } 1334 if (p > buf + len) { 1335 if (hexstr) 1336 warnx("hexadecimal digits too long"); 1337 else 1338 warnx("strings too long"); 1339 return NULL; 1340 } 1341 if (hexstr) { 1342 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1343 *p++ = (tohex((u_char)val[0]) << 4) | 1344 tohex((u_char)val[1]); 1345 #undef tohex 1346 val += 2; 1347 } else 1348 *p++ = *val++; 1349 } 1350 len = p - buf; 1351 if (len < *lenp) 1352 memset(p, 0, *lenp - len); 1353 *lenp = len; 1354 return val; 1355 } 1356 1357 void 1358 print_string(buf, len) 1359 const u_int8_t *buf; 1360 int len; 1361 { 1362 int i; 1363 int hasspc; 1364 1365 i = 0; 1366 hasspc = 0; 1367 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1368 for (; i < len; i++) { 1369 if (!isprint(buf[i])) 1370 break; 1371 if (isspace(buf[i])) 1372 hasspc++; 1373 } 1374 } 1375 if (i == len) { 1376 if (hasspc || len == 0) 1377 printf("\"%.*s\"", len, buf); 1378 else 1379 printf("%.*s", len, buf); 1380 } else { 1381 printf("0x"); 1382 for (i = 0; i < len; i++) 1383 printf("%02x", buf[i]); 1384 } 1385 } 1386 1387 void 1388 setifnwid(val, d) 1389 const char *val; 1390 int d; 1391 { 1392 struct ieee80211_nwid nwid; 1393 int len; 1394 1395 len = sizeof(nwid.i_nwid); 1396 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1397 return; 1398 nwid.i_len = len; 1399 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1400 ifr.ifr_data = (caddr_t)&nwid; 1401 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1402 warn("SIOCS80211NWID"); 1403 } 1404 1405 void 1406 setifbssid(val, d) 1407 const char *val; 1408 int d; 1409 { 1410 struct ieee80211_bssid bssid; 1411 struct ether_addr *ea; 1412 1413 if (d != 0) { 1414 /* no BSSID is especially desired */ 1415 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1416 } else { 1417 ea = ether_aton(val); 1418 if (ea == NULL) { 1419 warnx("malformed BSSID: %s", val); 1420 return; 1421 } 1422 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1423 sizeof(bssid.i_bssid)); 1424 } 1425 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1426 if (ioctl(s, SIOCS80211BSSID, (caddr_t)&bssid) == -1) 1427 warn("SIOCS80211BSSID"); 1428 } 1429 1430 void 1431 setifchan(val, d) 1432 const char *val; 1433 int d; 1434 { 1435 struct ieee80211chanreq channel; 1436 int chan; 1437 1438 if (d != 0) 1439 chan = IEEE80211_CHAN_ANY; 1440 else { 1441 chan = atoi(val); 1442 if (chan < 0 || chan > 0xffff) { 1443 warnx("invalid channel: %s", val); 1444 return; 1445 } 1446 } 1447 1448 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1449 channel.i_channel = (u_int16_t) chan; 1450 if (ioctl(s, SIOCS80211CHANNEL, (caddr_t)&channel) == -1) 1451 warn("SIOCS80211CHANNEL"); 1452 } 1453 1454 void 1455 setifnwkey(val, d) 1456 const char *val; 1457 int d; 1458 { 1459 struct ieee80211_nwkey nwkey; 1460 int i; 1461 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1462 1463 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1464 nwkey.i_defkid = 1; 1465 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1466 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1467 nwkey.i_key[i].i_keydat = keybuf[i]; 1468 } 1469 if (d != 0) { 1470 /* disable WEP encryption */ 1471 nwkey.i_wepon = 0; 1472 i = 0; 1473 } else if (strcasecmp("persist", val) == 0) { 1474 /* use all values from persistent memory */ 1475 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1476 nwkey.i_defkid = 0; 1477 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1478 nwkey.i_key[i].i_keylen = -1; 1479 } else if (strncasecmp("persist:", val, 8) == 0) { 1480 val += 8; 1481 /* program keys in persistent memory */ 1482 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1483 goto set_nwkey; 1484 } else { 1485 set_nwkey: 1486 if (isdigit(val[0]) && val[1] == ':') { 1487 /* specifying a full set of four keys */ 1488 nwkey.i_defkid = val[0] - '0'; 1489 val += 2; 1490 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1491 val = get_string(val, ",", keybuf[i], 1492 &nwkey.i_key[i].i_keylen); 1493 if (val == NULL) 1494 return; 1495 } 1496 if (*val != '\0') { 1497 warnx("SIOCS80211NWKEY: too many keys."); 1498 return; 1499 } 1500 } else { 1501 val = get_string(val, NULL, keybuf[0], 1502 &nwkey.i_key[0].i_keylen); 1503 if (val == NULL) 1504 return; 1505 i = 1; 1506 } 1507 } 1508 for (; i < IEEE80211_WEP_NKID; i++) 1509 nwkey.i_key[i].i_keylen = 0; 1510 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1511 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1512 warn("SIOCS80211NWKEY"); 1513 } 1514 1515 void 1516 setifpowersave(val, d) 1517 const char *val; 1518 int d; 1519 { 1520 struct ieee80211_power power; 1521 1522 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1523 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1524 warn("SIOCG80211POWER"); 1525 return; 1526 } 1527 1528 power.i_enabled = d; 1529 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1530 warn("SIOCS80211POWER"); 1531 } 1532 1533 void 1534 setifpowersavesleep(val, d) 1535 const char *val; 1536 int d; 1537 { 1538 struct ieee80211_power power; 1539 1540 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1541 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1542 warn("SIOCG80211POWER"); 1543 return; 1544 } 1545 1546 power.i_maxsleep = atoi(val); 1547 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1548 warn("SIOCS80211POWER"); 1549 } 1550 1551 void 1552 ieee80211_status() 1553 { 1554 int i, nwkey_verbose; 1555 struct ieee80211_nwid nwid; 1556 struct ieee80211_nwkey nwkey; 1557 struct ieee80211_power power; 1558 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1559 struct ieee80211_bssid bssid; 1560 struct ieee80211chanreq channel; 1561 struct ether_addr ea; 1562 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1563 1564 memset(&ifr, 0, sizeof(ifr)); 1565 ifr.ifr_data = (caddr_t)&nwid; 1566 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1567 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1568 return; 1569 if (nwid.i_len > IEEE80211_NWID_LEN) { 1570 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1571 return; 1572 } 1573 printf("\tnwid "); 1574 print_string(nwid.i_nwid, nwid.i_len); 1575 memset(&nwkey, 0, sizeof(nwkey)); 1576 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1577 /* show nwkey only when WEP is enabled */ 1578 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1579 nwkey.i_wepon == 0) { 1580 printf("\n"); 1581 goto skip_wep; 1582 } 1583 1584 printf(" nwkey "); 1585 /* try to retrieve WEP keys */ 1586 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1587 nwkey.i_key[i].i_keydat = keybuf[i]; 1588 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1589 } 1590 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1591 printf("*****"); 1592 } else { 1593 nwkey_verbose = 0; 1594 /* check to see non default key or multiple keys defined */ 1595 if (nwkey.i_defkid != 1) { 1596 nwkey_verbose = 1; 1597 } else { 1598 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1599 if (nwkey.i_key[i].i_keylen != 0) { 1600 nwkey_verbose = 1; 1601 break; 1602 } 1603 } 1604 } 1605 /* check extra ambiguity with keywords */ 1606 if (!nwkey_verbose) { 1607 if (nwkey.i_key[0].i_keylen >= 2 && 1608 isdigit(nwkey.i_key[0].i_keydat[0]) && 1609 nwkey.i_key[0].i_keydat[1] == ':') 1610 nwkey_verbose = 1; 1611 else if (nwkey.i_key[0].i_keylen >= 7 && 1612 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1613 == 0) 1614 nwkey_verbose = 1; 1615 } 1616 if (nwkey_verbose) 1617 printf("%d:", nwkey.i_defkid); 1618 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1619 if (i > 0) 1620 printf(","); 1621 if (nwkey.i_key[i].i_keylen < 0) 1622 printf("persist"); 1623 else 1624 print_string(nwkey.i_key[i].i_keydat, 1625 nwkey.i_key[i].i_keylen); 1626 if (!nwkey_verbose) 1627 break; 1628 } 1629 } 1630 printf("\n"); 1631 1632 skip_wep: 1633 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1634 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1635 goto skip_power; 1636 printf("\tpowersave "); 1637 if (power.i_enabled) 1638 printf("on (%dms sleep)", power.i_maxsleep); 1639 else 1640 printf("off"); 1641 printf("\n"); 1642 1643 skip_power: 1644 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1645 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1646 return; 1647 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1648 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1649 return; 1650 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1651 if (channel.i_channel != (u_int16_t)-1) 1652 printf("\tchan %d\n", channel.i_channel); 1653 } else { 1654 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1655 sizeof(ea.ether_addr_octet)); 1656 printf("\tbssid %s", ether_ntoa(&ea)); 1657 if (channel.i_channel != IEEE80211_CHAN_ANY) 1658 printf(" chan %d", channel.i_channel); 1659 printf("\n"); 1660 } 1661 } 1662 1663 void 1664 init_current_media() 1665 { 1666 struct ifmediareq ifmr; 1667 1668 /* 1669 * If we have not yet done so, grab the currently-selected 1670 * media. 1671 */ 1672 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1673 (void) memset(&ifmr, 0, sizeof(ifmr)); 1674 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1675 1676 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1677 /* 1678 * If we get E2BIG, the kernel is telling us 1679 * that there are more, so we can ignore it. 1680 */ 1681 if (errno != E2BIG) 1682 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1683 } 1684 1685 media_current = ifmr.ifm_current; 1686 } 1687 1688 /* Sanity. */ 1689 if (IFM_TYPE(media_current) == 0) 1690 errx(EXIT_FAILURE, "%s: no link type?", name); 1691 } 1692 1693 void 1694 process_media_commands() 1695 { 1696 1697 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1698 /* Nothing to do. */ 1699 return; 1700 } 1701 1702 /* 1703 * Media already set up, and commands sanity-checked. Set/clear 1704 * any options, and we're ready to go. 1705 */ 1706 media_current |= mediaopt_set; 1707 media_current &= ~mediaopt_clear; 1708 1709 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1710 ifr.ifr_media = media_current; 1711 1712 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1713 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1714 } 1715 1716 void 1717 setmedia(val, d) 1718 const char *val; 1719 int d; 1720 { 1721 int type, subtype, inst; 1722 1723 init_current_media(); 1724 1725 /* Only one media command may be given. */ 1726 if (actions & A_MEDIA) 1727 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1728 1729 /* Must not come after mode commands */ 1730 if (actions & A_MEDIAMODE) 1731 errx(EXIT_FAILURE, 1732 "may not issue `media' after `mode' commands"); 1733 1734 /* Must not come after mediaopt commands */ 1735 if (actions & A_MEDIAOPT) 1736 errx(EXIT_FAILURE, 1737 "may not issue `media' after `mediaopt' commands"); 1738 1739 /* 1740 * No need to check if `instance' has been issued; setmediainst() 1741 * craps out if `media' has not been specified. 1742 */ 1743 1744 type = IFM_TYPE(media_current); 1745 inst = IFM_INST(media_current); 1746 1747 /* Look up the subtype. */ 1748 subtype = get_media_subtype(type, val); 1749 1750 /* Build the new current media word. */ 1751 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1752 1753 /* Media will be set after other processing is complete. */ 1754 } 1755 1756 void 1757 setmediaopt(val, d) 1758 const char *val; 1759 int d; 1760 { 1761 1762 init_current_media(); 1763 1764 /* Can only issue `mediaopt' once. */ 1765 if (actions & A_MEDIAOPTSET) 1766 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1767 1768 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1769 if (actions & A_MEDIAINST) 1770 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1771 1772 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1773 1774 /* Media will be set after other processing is complete. */ 1775 } 1776 1777 void 1778 unsetmediaopt(val, d) 1779 const char *val; 1780 int d; 1781 { 1782 1783 init_current_media(); 1784 1785 /* Can only issue `-mediaopt' once. */ 1786 if (actions & A_MEDIAOPTCLR) 1787 errx(EXIT_FAILURE, 1788 "only one `-mediaopt' command may be issued"); 1789 1790 /* May not issue `media' and `-mediaopt'. */ 1791 if (actions & A_MEDIA) 1792 errx(EXIT_FAILURE, 1793 "may not issue both `media' and `-mediaopt'"); 1794 1795 /* 1796 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1797 * implicitly checks for A_MEDIAINST. 1798 */ 1799 1800 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1801 1802 /* Media will be set after other processing is complete. */ 1803 } 1804 1805 void 1806 setmediainst(val, d) 1807 const char *val; 1808 int d; 1809 { 1810 int type, subtype, options, inst; 1811 1812 init_current_media(); 1813 1814 /* Can only issue `instance' once. */ 1815 if (actions & A_MEDIAINST) 1816 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1817 1818 /* Must have already specified `media' */ 1819 if ((actions & A_MEDIA) == 0) 1820 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1821 1822 type = IFM_TYPE(media_current); 1823 subtype = IFM_SUBTYPE(media_current); 1824 options = IFM_OPTIONS(media_current); 1825 1826 inst = atoi(val); 1827 if (inst < 0 || inst > IFM_INST_MAX) 1828 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1829 1830 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1831 1832 /* Media will be set after other processing is complete. */ 1833 } 1834 1835 void 1836 setmediamode(val, d) 1837 const char *val; 1838 int d; 1839 { 1840 int type, subtype, options, inst, mode; 1841 1842 init_current_media(); 1843 1844 /* Can only issue `mode' once. */ 1845 if (actions & A_MEDIAMODE) 1846 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1847 1848 type = IFM_TYPE(media_current); 1849 subtype = IFM_SUBTYPE(media_current); 1850 options = IFM_OPTIONS(media_current); 1851 inst = IFM_INST(media_current); 1852 1853 if ((mode = get_media_mode(type, val)) == -1) 1854 errx(EXIT_FAILURE, "invalid media mode: %s", val); 1855 1856 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1857 1858 /* Media will be set after other processing is complete. */ 1859 } 1860 1861 struct ifmedia_description ifm_mode_descriptions[] = 1862 IFM_MODE_DESCRIPTIONS; 1863 1864 struct ifmedia_description ifm_type_descriptions[] = 1865 IFM_TYPE_DESCRIPTIONS; 1866 1867 struct ifmedia_description ifm_subtype_descriptions[] = 1868 IFM_SUBTYPE_DESCRIPTIONS; 1869 1870 struct ifmedia_description ifm_option_descriptions[] = 1871 IFM_OPTION_DESCRIPTIONS; 1872 1873 const char * 1874 get_media_type_string(mword) 1875 int mword; 1876 { 1877 struct ifmedia_description *desc; 1878 1879 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1880 desc++) { 1881 if (IFM_TYPE(mword) == desc->ifmt_word) 1882 return (desc->ifmt_string); 1883 } 1884 return ("<unknown type>"); 1885 } 1886 1887 const char * 1888 get_media_subtype_string(mword) 1889 int mword; 1890 { 1891 struct ifmedia_description *desc; 1892 1893 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1894 desc++) { 1895 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1896 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1897 return (desc->ifmt_string); 1898 } 1899 return ("<unknown subtype>"); 1900 } 1901 1902 int 1903 get_media_mode(type, val) 1904 int type; 1905 const char *val; 1906 { 1907 int rval; 1908 1909 rval = lookup_media_word(ifm_mode_descriptions, type, val); 1910 if (rval == -1) 1911 errx(EXIT_FAILURE, "unknown %s media mode: %s", 1912 get_media_type_string(type), val); 1913 1914 return (rval); 1915 } 1916 1917 int 1918 get_media_subtype(type, val) 1919 int type; 1920 const char *val; 1921 { 1922 int rval; 1923 1924 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1925 if (rval == -1) 1926 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1927 get_media_type_string(type), val); 1928 1929 return (rval); 1930 } 1931 1932 int 1933 get_media_options(type, val) 1934 int type; 1935 const char *val; 1936 { 1937 char *optlist, *str; 1938 int option, rval = 0; 1939 1940 /* We muck with the string, so copy it. */ 1941 optlist = strdup(val); 1942 if (optlist == NULL) 1943 err(EXIT_FAILURE, "strdup"); 1944 str = optlist; 1945 1946 /* 1947 * Look up the options in the user-provided comma-separated list. 1948 */ 1949 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1950 option = lookup_media_word(ifm_option_descriptions, type, str); 1951 if (option == -1) 1952 errx(EXIT_FAILURE, "unknown %s media option: %s", 1953 get_media_type_string(type), str); 1954 rval |= IFM_OPTIONS(option); 1955 } 1956 1957 free(optlist); 1958 return (rval); 1959 } 1960 1961 int 1962 lookup_media_word(desc, type, val) 1963 struct ifmedia_description *desc; 1964 int type; 1965 const char *val; 1966 { 1967 1968 for (; desc->ifmt_string != NULL; desc++) { 1969 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1970 strcasecmp(desc->ifmt_string, val) == 0) 1971 return (desc->ifmt_word); 1972 } 1973 return (-1); 1974 } 1975 1976 void 1977 print_media_word(ifmw, print_type, as_syntax) 1978 int ifmw, print_type, as_syntax; 1979 { 1980 struct ifmedia_description *desc; 1981 int seen_option = 0; 1982 1983 if (print_type) 1984 printf("%s ", get_media_type_string(ifmw)); 1985 printf("%s%s", as_syntax ? "media " : "", 1986 get_media_subtype_string(ifmw)); 1987 1988 /* Find mode. */ 1989 if (IFM_MODE(ifmw) != 0) { 1990 for (desc = ifm_mode_descriptions; desc->ifmt_string != NULL; 1991 desc++) { 1992 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1993 IFM_MODE(ifmw) == IFM_MODE(desc->ifmt_word)) { 1994 printf(" mode %s", desc->ifmt_string); 1995 break; 1996 } 1997 } 1998 } 1999 2000 /* Find options. */ 2001 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 2002 desc++) { 2003 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 2004 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 2005 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 2006 if (seen_option == 0) 2007 printf(" %s", as_syntax ? "mediaopt " : ""); 2008 printf("%s%s", seen_option ? "," : "", 2009 desc->ifmt_string); 2010 seen_option |= IFM_OPTIONS(desc->ifmt_word); 2011 } 2012 } 2013 if (IFM_INST(ifmw) != 0) 2014 printf(" instance %d", IFM_INST(ifmw)); 2015 } 2016 2017 int carrier() 2018 { 2019 struct ifmediareq ifmr; 2020 2021 (void) memset(&ifmr, 0, sizeof(ifmr)); 2022 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2023 2024 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2025 /* 2026 * Interface doesn't support SIOC{G,S}IFMEDIA; 2027 * assume ok. 2028 */ 2029 return 0; 2030 } 2031 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 2032 /* 2033 * Interface doesn't report media-valid status. 2034 * assume ok. 2035 */ 2036 return 0; 2037 } 2038 /* otherwise, return ok for active, not-ok if not active. */ 2039 return !(ifmr.ifm_status & IFM_ACTIVE); 2040 } 2041 2042 2043 #define IFFBITS \ 2044 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 2045 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 2046 2047 #define IFCAPBITS \ 2048 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 2049 2050 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 2051 2052 const struct ifmedia_status_description ifm_status_descriptions[] = 2053 IFM_STATUS_DESCRIPTIONS; 2054 2055 /* 2056 * Print the status of the interface. If an address family was 2057 * specified, show it and it only; otherwise, show them all. 2058 */ 2059 void 2060 status(sdl) 2061 const struct sockaddr_dl *sdl; 2062 { 2063 struct afswtch *p = afp; 2064 struct ifmediareq ifmr; 2065 struct ifdatareq ifdr; 2066 int *media_list, i; 2067 char hbuf[NI_MAXHOST]; 2068 char fbuf[BUFSIZ]; 2069 2070 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 2071 printf("%s: flags=%s", name, &fbuf[2]); 2072 if (metric) 2073 printf(" metric %lu", metric); 2074 if (mtu) 2075 printf(" mtu %lu", mtu); 2076 putchar('\n'); 2077 2078 if (g_ifcr.ifcr_capabilities) { 2079 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2080 g_ifcr.ifcr_capabilities); 2081 printf("\tcapabilities=%s\n", &fbuf[2]); 2082 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2083 g_ifcr.ifcr_capenable); 2084 printf("\tenabled=%s\n", &fbuf[2]); 2085 } 2086 2087 ieee80211_status(); 2088 vlan_status(); 2089 tunnel_status(); 2090 2091 if (sdl != NULL && 2092 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2093 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2094 hbuf[0] != '\0') 2095 printf("\taddress: %s\n", hbuf); 2096 2097 (void) memset(&ifmr, 0, sizeof(ifmr)); 2098 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2099 2100 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2101 /* 2102 * Interface doesn't support SIOC{G,S}IFMEDIA. 2103 */ 2104 goto iface_stats; 2105 } 2106 2107 if (ifmr.ifm_count == 0) { 2108 warnx("%s: no media types?", name); 2109 goto iface_stats; 2110 } 2111 2112 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2113 if (media_list == NULL) 2114 err(EXIT_FAILURE, "malloc"); 2115 ifmr.ifm_ulist = media_list; 2116 2117 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 2118 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2119 2120 printf("\tmedia: "); 2121 print_media_word(ifmr.ifm_current, 1, 0); 2122 if (ifmr.ifm_active != ifmr.ifm_current) { 2123 putchar(' '); 2124 putchar('('); 2125 print_media_word(ifmr.ifm_active, 0, 0); 2126 putchar(')'); 2127 } 2128 putchar('\n'); 2129 2130 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2131 const struct ifmedia_status_description *ifms; 2132 int bitno, found = 0; 2133 2134 printf("\tstatus: "); 2135 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2136 for (ifms = ifm_status_descriptions; 2137 ifms->ifms_valid != 0; ifms++) { 2138 if (ifms->ifms_type != 2139 IFM_TYPE(ifmr.ifm_current) || 2140 ifms->ifms_valid != 2141 ifm_status_valid_list[bitno]) 2142 continue; 2143 printf("%s%s", found ? ", " : "", 2144 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2145 found = 1; 2146 2147 /* 2148 * For each valid indicator bit, there's 2149 * only one entry for each media type, so 2150 * terminate the inner loop now. 2151 */ 2152 break; 2153 } 2154 } 2155 2156 if (found == 0) 2157 printf("unknown"); 2158 putchar('\n'); 2159 } 2160 2161 if (mflag) { 2162 int type, printed_type; 2163 2164 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2165 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2166 if (IFM_TYPE(media_list[i]) == type) { 2167 if (printed_type == 0) { 2168 printf("\tsupported %s media:\n", 2169 get_media_type_string(type)); 2170 printed_type = 1; 2171 } 2172 printf("\t\t"); 2173 print_media_word(media_list[i], 0, 1); 2174 printf("\n"); 2175 } 2176 } 2177 } 2178 } 2179 2180 free(media_list); 2181 2182 iface_stats: 2183 if (!vflag && !zflag) 2184 goto proto_status; 2185 2186 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2187 2188 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, (caddr_t)&ifdr) == -1) { 2189 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2190 } else { 2191 struct if_data * const ifi = &ifdr.ifdr_data; 2192 #define PLURAL(n) ((n) == 1 ? "" : "s") 2193 printf("\tinput: %llu packet%s, %llu byte%s", 2194 (unsigned long long) ifi->ifi_ipackets, 2195 PLURAL(ifi->ifi_ipackets), 2196 (unsigned long long) ifi->ifi_ibytes, 2197 PLURAL(ifi->ifi_ibytes)); 2198 if (ifi->ifi_imcasts) 2199 printf(", %llu multicast%s", 2200 (unsigned long long) ifi->ifi_imcasts, 2201 PLURAL(ifi->ifi_imcasts)); 2202 if (ifi->ifi_ierrors) 2203 printf(", %llu error%s", 2204 (unsigned long long) ifi->ifi_ierrors, 2205 PLURAL(ifi->ifi_ierrors)); 2206 if (ifi->ifi_iqdrops) 2207 printf(", %llu queue drop%s", 2208 (unsigned long long) ifi->ifi_iqdrops, 2209 PLURAL(ifi->ifi_iqdrops)); 2210 if (ifi->ifi_noproto) 2211 printf(", %llu unknown protocol", 2212 (unsigned long long) ifi->ifi_noproto); 2213 printf("\n\toutput: %llu packet%s, %llu byte%s", 2214 (unsigned long long) ifi->ifi_opackets, 2215 PLURAL(ifi->ifi_opackets), 2216 (unsigned long long) ifi->ifi_obytes, 2217 PLURAL(ifi->ifi_obytes)); 2218 if (ifi->ifi_omcasts) 2219 printf(", %llu multicast%s", 2220 (unsigned long long) ifi->ifi_omcasts, 2221 PLURAL(ifi->ifi_omcasts)); 2222 if (ifi->ifi_oerrors) 2223 printf(", %llu error%s", 2224 (unsigned long long) ifi->ifi_oerrors, 2225 PLURAL(ifi->ifi_oerrors)); 2226 if (ifi->ifi_collisions) 2227 printf(", %llu collision%s", 2228 (unsigned long long) ifi->ifi_collisions, 2229 PLURAL(ifi->ifi_collisions)); 2230 printf("\n"); 2231 #undef PLURAL 2232 } 2233 2234 proto_status: 2235 if ((p = afp) != NULL) { 2236 (*p->af_status)(1); 2237 } else for (p = afs; p->af_name; p++) { 2238 ifr.ifr_addr.sa_family = p->af_af; 2239 (*p->af_status)(0); 2240 } 2241 } 2242 2243 void 2244 tunnel_status() 2245 { 2246 char psrcaddr[NI_MAXHOST]; 2247 char pdstaddr[NI_MAXHOST]; 2248 const char *ver = ""; 2249 #ifdef NI_WITHSCOPEID 2250 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2251 #else 2252 const int niflag = NI_NUMERICHOST; 2253 #endif 2254 struct if_laddrreq req; 2255 2256 psrcaddr[0] = pdstaddr[0] = '\0'; 2257 2258 memset(&req, 0, sizeof(req)); 2259 strncpy(req.iflr_name, name, IFNAMSIZ); 2260 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2261 return; 2262 #ifdef INET6 2263 if (req.addr.ss_family == AF_INET6) 2264 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2265 #endif 2266 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2267 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2268 #ifdef INET6 2269 if (req.addr.ss_family == AF_INET6) 2270 ver = "6"; 2271 #endif 2272 2273 #ifdef INET6 2274 if (req.dstaddr.ss_family == AF_INET6) 2275 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2276 #endif 2277 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2278 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2279 2280 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2281 } 2282 2283 void 2284 vlan_status() 2285 { 2286 struct vlanreq vlr; 2287 2288 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2289 !isdigit(ifr.ifr_name[4])) 2290 return; 2291 2292 memset(&vlr, 0, sizeof(vlr)); 2293 ifr.ifr_data = (caddr_t)&vlr; 2294 2295 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2296 return; 2297 2298 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2299 printf("\tvlan: %d parent: %s\n", 2300 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2301 "<none>" : vlr.vlr_parent); 2302 } 2303 2304 void 2305 in_alias(creq) 2306 struct ifreq *creq; 2307 { 2308 struct sockaddr_in *iasin; 2309 int alias; 2310 2311 if (lflag) 2312 return; 2313 2314 alias = 1; 2315 2316 /* Get the non-alias address for this interface. */ 2317 getsock(AF_INET); 2318 if (s < 0) { 2319 if (errno == EPROTONOSUPPORT) 2320 return; 2321 err(EXIT_FAILURE, "socket"); 2322 } 2323 (void) memset(&ifr, 0, sizeof(ifr)); 2324 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2325 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2326 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2327 return; 2328 } else 2329 warn("SIOCGIFADDR"); 2330 } 2331 /* If creq and ifr are the same address, this is not an alias. */ 2332 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2333 sizeof(creq->ifr_addr)) == 0) 2334 alias = 0; 2335 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2336 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2337 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2338 sizeof(in_addreq.ifra_addr)); 2339 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2340 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2341 return; 2342 } else 2343 warn("SIOCGIFALIAS"); 2344 } 2345 2346 iasin = &in_addreq.ifra_addr; 2347 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2348 2349 if (flags & IFF_POINTOPOINT) { 2350 iasin = &in_addreq.ifra_dstaddr; 2351 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2352 } 2353 2354 iasin = &in_addreq.ifra_mask; 2355 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2356 2357 if (flags & IFF_BROADCAST) { 2358 iasin = &in_addreq.ifra_broadaddr; 2359 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2360 } 2361 printf("\n"); 2362 } 2363 2364 void 2365 in_status(force) 2366 int force; 2367 { 2368 struct ifaddrs *ifap, *ifa; 2369 struct ifreq isifr; 2370 2371 if (getifaddrs(&ifap) != 0) 2372 err(EXIT_FAILURE, "getifaddrs"); 2373 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2374 if (strcmp(name, ifa->ifa_name) != 0) 2375 continue; 2376 if (ifa->ifa_addr->sa_family != AF_INET) 2377 continue; 2378 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2379 continue; 2380 2381 memset(&isifr, 0, sizeof(isifr)); 2382 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2383 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2384 in_alias(&isifr); 2385 } 2386 freeifaddrs(ifap); 2387 } 2388 2389 void 2390 setifprefixlen(addr, d) 2391 const char *addr; 2392 int d; 2393 { 2394 if (*afp->af_getprefix) 2395 (*afp->af_getprefix)(addr, MASK); 2396 explicit_prefix = 1; 2397 } 2398 2399 #ifdef INET6 2400 void 2401 in6_fillscopeid(sin6) 2402 struct sockaddr_in6 *sin6; 2403 { 2404 #if defined(__KAME__) && defined(KAME_SCOPEID) 2405 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2406 sin6->sin6_scope_id = 2407 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2408 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2409 } 2410 #endif 2411 } 2412 2413 /* XXX not really an alias */ 2414 void 2415 in6_alias(creq) 2416 struct in6_ifreq *creq; 2417 { 2418 struct sockaddr_in6 *sin6; 2419 char hbuf[NI_MAXHOST]; 2420 u_int32_t scopeid; 2421 #ifdef NI_WITHSCOPEID 2422 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2423 #else 2424 const int niflag = NI_NUMERICHOST; 2425 #endif 2426 2427 /* Get the non-alias address for this interface. */ 2428 getsock(AF_INET6); 2429 if (s < 0) { 2430 if (errno == EPROTONOSUPPORT) 2431 return; 2432 err(EXIT_FAILURE, "socket"); 2433 } 2434 2435 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2436 2437 in6_fillscopeid(sin6); 2438 scopeid = sin6->sin6_scope_id; 2439 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2440 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2441 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2442 printf("\tinet6 %s", hbuf); 2443 2444 if (flags & IFF_POINTOPOINT) { 2445 (void) memset(&ifr6, 0, sizeof(ifr6)); 2446 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2447 ifr6.ifr_addr = creq->ifr_addr; 2448 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2449 if (errno != EADDRNOTAVAIL) 2450 warn("SIOCGIFDSTADDR_IN6"); 2451 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2452 ifr6.ifr_addr.sin6_family = AF_INET6; 2453 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2454 } 2455 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2456 in6_fillscopeid(sin6); 2457 hbuf[0] = '\0'; 2458 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2459 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2460 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2461 printf(" -> %s", hbuf); 2462 } 2463 2464 (void) memset(&ifr6, 0, sizeof(ifr6)); 2465 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2466 ifr6.ifr_addr = creq->ifr_addr; 2467 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2468 if (errno != EADDRNOTAVAIL) 2469 warn("SIOCGIFNETMASK_IN6"); 2470 } else { 2471 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2472 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2473 sizeof(struct in6_addr))); 2474 } 2475 2476 (void) memset(&ifr6, 0, sizeof(ifr6)); 2477 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2478 ifr6.ifr_addr = creq->ifr_addr; 2479 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2480 if (errno != EADDRNOTAVAIL) 2481 warn("SIOCGIFAFLAG_IN6"); 2482 } else { 2483 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2484 printf(" anycast"); 2485 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2486 printf(" tentative"); 2487 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2488 printf(" duplicated"); 2489 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2490 printf(" detached"); 2491 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2492 printf(" deprecated"); 2493 } 2494 2495 if (scopeid) 2496 printf(" scopeid 0x%x", scopeid); 2497 2498 if (Lflag) { 2499 struct in6_addrlifetime *lifetime; 2500 (void) memset(&ifr6, 0, sizeof(ifr6)); 2501 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2502 ifr6.ifr_addr = creq->ifr_addr; 2503 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2504 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2505 if (errno != EADDRNOTAVAIL) 2506 warn("SIOCGIFALIFETIME_IN6"); 2507 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2508 time_t t = time(NULL); 2509 printf(" pltime "); 2510 if (lifetime->ia6t_preferred) { 2511 printf("%s", lifetime->ia6t_preferred < t 2512 ? "0" 2513 : sec2str(lifetime->ia6t_preferred - t)); 2514 } else 2515 printf("infty"); 2516 2517 printf(" vltime "); 2518 if (lifetime->ia6t_expire) { 2519 printf("%s", lifetime->ia6t_expire < t 2520 ? "0" 2521 : sec2str(lifetime->ia6t_expire - t)); 2522 } else 2523 printf("infty"); 2524 } 2525 } 2526 2527 printf("\n"); 2528 } 2529 2530 void 2531 in6_status(force) 2532 int force; 2533 { 2534 struct ifaddrs *ifap, *ifa; 2535 struct in6_ifreq isifr; 2536 2537 if (getifaddrs(&ifap) != 0) 2538 err(EXIT_FAILURE, "getifaddrs"); 2539 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2540 if (strcmp(name, ifa->ifa_name) != 0) 2541 continue; 2542 if (ifa->ifa_addr->sa_family != AF_INET6) 2543 continue; 2544 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2545 continue; 2546 2547 memset(&isifr, 0, sizeof(isifr)); 2548 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2549 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2550 in6_alias(&isifr); 2551 } 2552 freeifaddrs(ifap); 2553 } 2554 #endif /*INET6*/ 2555 2556 #ifndef INET_ONLY 2557 2558 void 2559 at_status(force) 2560 int force; 2561 { 2562 struct sockaddr_at *sat, null_sat; 2563 struct netrange *nr; 2564 2565 getsock(AF_APPLETALK); 2566 if (s < 0) { 2567 if (errno == EPROTONOSUPPORT) 2568 return; 2569 err(EXIT_FAILURE, "socket"); 2570 } 2571 (void) memset(&ifr, 0, sizeof(ifr)); 2572 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2573 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2574 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2575 if (!force) 2576 return; 2577 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2578 } else 2579 warn("SIOCGIFADDR"); 2580 } 2581 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2582 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2583 2584 (void) memset(&null_sat, 0, sizeof(null_sat)); 2585 2586 nr = (struct netrange *) &sat->sat_zero; 2587 printf("\tatalk %d.%d range %d-%d phase %d", 2588 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2589 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2590 if (flags & IFF_POINTOPOINT) { 2591 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2592 if (errno == EADDRNOTAVAIL) 2593 (void) memset(&ifr.ifr_addr, 0, 2594 sizeof(ifr.ifr_addr)); 2595 else 2596 warn("SIOCGIFDSTADDR"); 2597 } 2598 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2599 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2600 if (!sat) 2601 sat = &null_sat; 2602 printf("--> %d.%d", 2603 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2604 } 2605 if (flags & IFF_BROADCAST) { 2606 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2607 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2608 if (sat) 2609 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2610 sat->sat_addr.s_node); 2611 } 2612 putchar('\n'); 2613 } 2614 2615 void 2616 xns_status(force) 2617 int force; 2618 { 2619 struct sockaddr_ns *sns; 2620 2621 getsock(AF_NS); 2622 if (s < 0) { 2623 if (errno == EPROTONOSUPPORT) 2624 return; 2625 err(EXIT_FAILURE, "socket"); 2626 } 2627 (void) memset(&ifr, 0, sizeof(ifr)); 2628 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2629 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2630 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2631 if (!force) 2632 return; 2633 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2634 } else 2635 warn("SIOCGIFADDR"); 2636 } 2637 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2638 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2639 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2640 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2641 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2642 if (errno == EADDRNOTAVAIL) 2643 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2644 else 2645 warn("SIOCGIFDSTADDR"); 2646 } 2647 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2648 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2649 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2650 } 2651 putchar('\n'); 2652 } 2653 2654 void 2655 iso_status(force) 2656 int force; 2657 { 2658 struct sockaddr_iso *siso; 2659 struct iso_ifreq isoifr; 2660 2661 getsock(AF_ISO); 2662 if (s < 0) { 2663 if (errno == EPROTONOSUPPORT) 2664 return; 2665 err(EXIT_FAILURE, "socket"); 2666 } 2667 (void) memset(&isoifr, 0, sizeof(isoifr)); 2668 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2669 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2670 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2671 if (!force) 2672 return; 2673 (void) memset(&isoifr.ifr_Addr, 0, 2674 sizeof(isoifr.ifr_Addr)); 2675 } else 2676 warn("SIOCGIFADDR_ISO"); 2677 } 2678 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2679 siso = &isoifr.ifr_Addr; 2680 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2681 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2682 if (errno == EADDRNOTAVAIL) 2683 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2684 else 2685 warn("SIOCGIFNETMASK_ISO"); 2686 } else { 2687 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2688 siso->siso_addr.isoa_len = siso->siso_len 2689 - offsetof(struct sockaddr_iso, siso_addr); 2690 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2691 } 2692 if (flags & IFF_POINTOPOINT) { 2693 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2694 if (errno == EADDRNOTAVAIL) 2695 memset(&isoifr.ifr_Addr, 0, 2696 sizeof(isoifr.ifr_Addr)); 2697 else 2698 warn("SIOCGIFDSTADDR_ISO"); 2699 } 2700 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2701 siso = &isoifr.ifr_Addr; 2702 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2703 } 2704 putchar('\n'); 2705 } 2706 2707 #endif /* INET_ONLY */ 2708 2709 #define SIN(x) ((struct sockaddr_in *) &(x)) 2710 struct sockaddr_in *sintab[] = { 2711 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2712 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2713 2714 void 2715 in_getaddr(str, which) 2716 const char *str; 2717 int which; 2718 { 2719 struct sockaddr_in *gasin = sintab[which]; 2720 struct hostent *hp; 2721 struct netent *np; 2722 2723 gasin->sin_len = sizeof(*gasin); 2724 if (which != MASK) 2725 gasin->sin_family = AF_INET; 2726 2727 if (which == ADDR) { 2728 char *p = NULL; 2729 if ((p = strrchr(str, '/')) != NULL) { 2730 *p = '\0'; 2731 in_getprefix(p + 1, MASK); 2732 } 2733 } 2734 2735 if (inet_aton(str, &gasin->sin_addr) == 0) { 2736 if ((hp = gethostbyname(str)) != NULL) 2737 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2738 else if ((np = getnetbyname(str)) != NULL) 2739 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2740 else 2741 errx(EXIT_FAILURE, "%s: bad value", str); 2742 } 2743 } 2744 2745 void 2746 in_getprefix(plen, which) 2747 const char *plen; 2748 int which; 2749 { 2750 register struct sockaddr_in *igsin = sintab[which]; 2751 register u_char *cp; 2752 int len = strtol(plen, (char **)NULL, 10); 2753 2754 if ((len < 0) || (len > 32)) 2755 errx(EXIT_FAILURE, "%s: bad value", plen); 2756 igsin->sin_len = sizeof(*igsin); 2757 if (which != MASK) 2758 igsin->sin_family = AF_INET; 2759 if ((len == 0) || (len == 32)) { 2760 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2761 return; 2762 } 2763 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2764 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2765 *cp++ = 0xff; 2766 if (len) 2767 *cp = 0xff << (8 - len); 2768 } 2769 2770 #ifdef INET6 2771 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2772 struct sockaddr_in6 *sin6tab[] = { 2773 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2774 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2775 2776 void 2777 in6_getaddr(str, which) 2778 const char *str; 2779 int which; 2780 { 2781 #if defined(__KAME__) && defined(KAME_SCOPEID) 2782 struct sockaddr_in6 *sin6 = sin6tab[which]; 2783 struct addrinfo hints, *res; 2784 int error; 2785 char *slash = NULL; 2786 2787 if (which == ADDR) { 2788 if ((slash = strrchr(str, '/')) != NULL) 2789 *slash = '\0'; 2790 } 2791 2792 memset(&hints, 0, sizeof(hints)); 2793 hints.ai_family = AF_INET6; 2794 hints.ai_socktype = SOCK_DGRAM; 2795 #if 0 /* in_getaddr() allows FQDN */ 2796 hints.ai_flags = AI_NUMERICHOST; 2797 #endif 2798 error = getaddrinfo(str, "0", &hints, &res); 2799 if (error && slash) { 2800 /* try again treating the '/' as part of the name */ 2801 *slash = '/'; 2802 slash = NULL; 2803 error = getaddrinfo(str, "0", &hints, &res); 2804 } 2805 if (error) 2806 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2807 if (res->ai_next) 2808 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2809 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2810 errx(EXIT_FAILURE, "%s: bad value", str); 2811 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2812 freeaddrinfo(res); 2813 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2814 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2815 htons(sin6->sin6_scope_id); 2816 sin6->sin6_scope_id = 0; 2817 } 2818 if (slash) { 2819 in6_getprefix(slash + 1, MASK); 2820 explicit_prefix = 1; 2821 } 2822 #else 2823 struct sockaddr_in6 *gasin = sin6tab[which]; 2824 2825 gasin->sin6_len = sizeof(*gasin); 2826 if (which != MASK) 2827 gasin->sin6_family = AF_INET6; 2828 2829 if (which == ADDR) { 2830 char *p = NULL; 2831 if((p = strrchr(str, '/')) != NULL) { 2832 *p = '\0'; 2833 in6_getprefix(p + 1, MASK); 2834 explicit_prefix = 1; 2835 } 2836 } 2837 2838 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2839 errx(EXIT_FAILURE, "%s: bad value", str); 2840 #endif 2841 } 2842 2843 void 2844 in6_getprefix(plen, which) 2845 const char *plen; 2846 int which; 2847 { 2848 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2849 register u_char *cp; 2850 int len = strtol(plen, (char **)NULL, 10); 2851 2852 if ((len < 0) || (len > 128)) 2853 errx(EXIT_FAILURE, "%s: bad value", plen); 2854 gpsin->sin6_len = sizeof(*gpsin); 2855 if (which != MASK) 2856 gpsin->sin6_family = AF_INET6; 2857 if ((len == 0) || (len == 128)) { 2858 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2859 return; 2860 } 2861 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2862 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2863 *cp++ = 0xff; 2864 if (len) 2865 *cp = 0xff << (8 - len); 2866 } 2867 2868 int 2869 prefix(val, size) 2870 void *val; 2871 int size; 2872 { 2873 register u_char *pname = (u_char *)val; 2874 register int byte, bit, plen = 0; 2875 2876 for (byte = 0; byte < size; byte++, plen += 8) 2877 if (pname[byte] != 0xff) 2878 break; 2879 if (byte == size) 2880 return (plen); 2881 for (bit = 7; bit != 0; bit--, plen++) 2882 if (!(pname[byte] & (1 << bit))) 2883 break; 2884 for (; bit != 0; bit--) 2885 if (pname[byte] & (1 << bit)) 2886 return(0); 2887 byte++; 2888 for (; byte < size; byte++) 2889 if (pname[byte]) 2890 return(0); 2891 return (plen); 2892 } 2893 #endif /*INET6*/ 2894 2895 #ifndef INET_ONLY 2896 void 2897 at_getaddr(addr, which) 2898 const char *addr; 2899 int which; 2900 { 2901 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2902 u_int net, node; 2903 2904 sat->sat_family = AF_APPLETALK; 2905 sat->sat_len = sizeof(*sat); 2906 if (which == MASK) 2907 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2908 if (sscanf(addr, "%u.%u", &net, &node) != 2 2909 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2910 errx(EXIT_FAILURE, "%s: illegal address", addr); 2911 sat->sat_addr.s_net = htons(net); 2912 sat->sat_addr.s_node = node; 2913 } 2914 2915 void 2916 setatrange(range, d) 2917 const char *range; 2918 int d; 2919 { 2920 u_short first = 123, last = 123; 2921 2922 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2923 || first == 0 /* || first > 0xffff */ 2924 || last == 0 /* || last > 0xffff */ || first > last) 2925 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2926 first, last); 2927 at_nr.nr_firstnet = htons(first); 2928 at_nr.nr_lastnet = htons(last); 2929 } 2930 2931 void 2932 setatphase(phase, d) 2933 const char *phase; 2934 int d; 2935 { 2936 if (!strcmp(phase, "1")) 2937 at_nr.nr_phase = 1; 2938 else if (!strcmp(phase, "2")) 2939 at_nr.nr_phase = 2; 2940 else 2941 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2942 } 2943 2944 void 2945 checkatrange(sat) 2946 struct sockaddr_at *sat; 2947 { 2948 if (at_nr.nr_phase == 0) 2949 at_nr.nr_phase = 2; /* Default phase 2 */ 2950 if (at_nr.nr_firstnet == 0) 2951 at_nr.nr_firstnet = /* Default range of one */ 2952 at_nr.nr_lastnet = sat->sat_addr.s_net; 2953 printf("\tatalk %d.%d range %d-%d phase %d\n", 2954 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2955 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2956 if ((u_short) ntohs(at_nr.nr_firstnet) > 2957 (u_short) ntohs(sat->sat_addr.s_net) 2958 || (u_short) ntohs(at_nr.nr_lastnet) < 2959 (u_short) ntohs(sat->sat_addr.s_net)) 2960 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2961 *((struct netrange *) &sat->sat_zero) = at_nr; 2962 } 2963 2964 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2965 struct sockaddr_ns *snstab[] = { 2966 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2967 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2968 2969 void 2970 xns_getaddr(addr, which) 2971 const char *addr; 2972 int which; 2973 { 2974 struct sockaddr_ns *sns = snstab[which]; 2975 2976 sns->sns_family = AF_NS; 2977 sns->sns_len = sizeof(*sns); 2978 sns->sns_addr = ns_addr(addr); 2979 if (which == MASK) 2980 puts("Attempt to set XNS netmask will be ineffectual"); 2981 } 2982 2983 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2984 struct sockaddr_iso *sisotab[] = { 2985 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2986 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2987 2988 void 2989 iso_getaddr(addr, which) 2990 const char *addr; 2991 int which; 2992 { 2993 struct sockaddr_iso *siso = sisotab[which]; 2994 siso->siso_addr = *iso_addr(addr); 2995 2996 if (which == MASK) { 2997 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2998 siso->siso_nlen = 0; 2999 } else { 3000 siso->siso_len = sizeof(*siso); 3001 siso->siso_family = AF_ISO; 3002 } 3003 } 3004 3005 void 3006 setsnpaoffset(val, d) 3007 const char *val; 3008 int d; 3009 { 3010 iso_addreq.ifra_snpaoffset = atoi(val); 3011 } 3012 3013 void 3014 setnsellength(val, d) 3015 const char *val; 3016 int d; 3017 { 3018 nsellength = atoi(val); 3019 if (nsellength < 0) 3020 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 3021 if (afp == 0 || afp->af_af != AF_ISO) 3022 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 3023 } 3024 3025 void 3026 fixnsel(siso) 3027 struct sockaddr_iso *siso; 3028 { 3029 if (siso->siso_family == 0) 3030 return; 3031 siso->siso_tlen = nsellength; 3032 } 3033 3034 void 3035 adjust_nsellength() 3036 { 3037 fixnsel(sisotab[RIDADDR]); 3038 fixnsel(sisotab[ADDR]); 3039 fixnsel(sisotab[DSTADDR]); 3040 } 3041 3042 #endif /* INET_ONLY */ 3043 3044 void 3045 usage() 3046 { 3047 const char *progname = getprogname(); 3048 3049 fprintf(stderr, 3050 "usage: %s [-m] [-v] [-z] " 3051 #ifdef INET6 3052 "[-L] " 3053 #endif 3054 "interface\n" 3055 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 3056 "\t\t[ alias | -alias ] ]\n" 3057 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 3058 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 3059 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 3060 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 3061 "\t[ arp | -arp ]\n" 3062 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 3063 "[ instance minst ]\n" 3064 "\t[ vlan n vlanif i ]\n" 3065 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 3066 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 3067 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 3068 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 3069 " %s -l [-b] [-d] [-u] [-s]\n" 3070 " %s -C\n" 3071 " %s interface create\n" 3072 " %s interface destroy\n", 3073 progname, progname, progname, progname, progname, progname); 3074 exit(1); 3075 } 3076 3077 #ifdef INET6 3078 char * 3079 sec2str(total) 3080 time_t total; 3081 { 3082 static char result[256]; 3083 int days, hours, mins, secs; 3084 int first = 1; 3085 char *p = result; 3086 char *end = &result[sizeof(result)]; 3087 int n; 3088 3089 if (0) { /*XXX*/ 3090 days = total / 3600 / 24; 3091 hours = (total / 3600) % 24; 3092 mins = (total / 60) % 60; 3093 secs = total % 60; 3094 3095 if (days) { 3096 first = 0; 3097 n = snprintf(p, end - p, "%dd", days); 3098 if (n < 0 || n >= end - p) 3099 return(result); 3100 p += n; 3101 } 3102 if (!first || hours) { 3103 first = 0; 3104 n = snprintf(p, end - p, "%dh", hours); 3105 if (n < 0 || n >= end - p) 3106 return(result); 3107 p += n; 3108 } 3109 if (!first || mins) { 3110 first = 0; 3111 n = snprintf(p, end - p, "%dm", mins); 3112 if (n < 0 || n >= end - p) 3113 return(result); 3114 p += n; 3115 } 3116 snprintf(p, end - p, "%ds", secs); 3117 } else 3118 snprintf(p, end - p, "%lu", (u_long)total); 3119 3120 return(result); 3121 } 3122 #endif 3123
Indexes created Tue Sep 30 06:09:59 GMT 2025