ifconfig.c revision 1.137
1 /* $NetBSD: ifconfig.c,v 1.137 2003/06/11 19:51:31 christos 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 1.137 2003/06/11 19:51:31 christos 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 #include <util.h> 126 127 struct ifreq ifr, ridreq; 128 struct ifaliasreq addreq __attribute__((aligned(4))); 129 struct in_aliasreq in_addreq; 130 #ifdef INET6 131 struct in6_ifreq ifr6; 132 struct in6_ifreq in6_ridreq; 133 struct in6_aliasreq in6_addreq; 134 #endif 135 struct iso_ifreq iso_ridreq; 136 struct iso_aliasreq iso_addreq; 137 struct sockaddr_in netmask; 138 struct netrange at_nr; /* AppleTalk net range */ 139 140 char name[30]; 141 u_short flags; 142 int setaddr, setipdst, doalias; 143 u_long metric, mtu; 144 int clearaddr, s; 145 int newaddr = -1; 146 int conflicting = 0; 147 int nsellength = 1; 148 int af; 149 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 150 #ifdef INET6 151 int Lflag; 152 #endif 153 int reset_if_flags; 154 int explicit_prefix = 0; 155 u_int vlan_tag = (u_int)-1; 156 157 struct ifcapreq g_ifcr; 158 int g_ifcr_updated; 159 160 void notealias __P((const char *, int)); 161 void notrailers __P((const char *, int)); 162 void setifaddr __P((const char *, int)); 163 void setifdstaddr __P((const char *, int)); 164 void setifflags __P((const char *, int)); 165 void setifcaps __P((const char *, int)); 166 void setifbroadaddr __P((const char *, int)); 167 void setifipdst __P((const char *, int)); 168 void setifmetric __P((const char *, int)); 169 void setifmtu __P((const char *, int)); 170 void setifnwid __P((const char *, int)); 171 void setifnwkey __P((const char *, int)); 172 void setifbssid __P((const char *, int)); 173 void setifchan __P((const char *, int)); 174 void setifpowersave __P((const char *, int)); 175 void setifpowersavesleep __P((const char *, int)); 176 void setifnetmask __P((const char *, int)); 177 void setifprefixlen __P((const char *, int)); 178 void setnsellength __P((const char *, int)); 179 void setsnpaoffset __P((const char *, int)); 180 void setatrange __P((const char *, int)); 181 void setatphase __P((const char *, int)); 182 void settunnel __P((const char *, const char *)); 183 void deletetunnel __P((const char *, int)); 184 #ifdef INET6 185 void setia6flags __P((const char *, int)); 186 void setia6pltime __P((const char *, int)); 187 void setia6vltime __P((const char *, int)); 188 void setia6lifetime __P((const char *, const char *)); 189 void setia6eui64 __P((const char *, int)); 190 #endif 191 void checkatrange __P ((struct sockaddr_at *)); 192 void setmedia __P((const char *, int)); 193 void setmediaopt __P((const char *, int)); 194 void unsetmediaopt __P((const char *, int)); 195 void setmediainst __P((const char *, int)); 196 void clone_create __P((const char *, int)); 197 void clone_destroy __P((const char *, int)); 198 void fixnsel __P((struct sockaddr_iso *)); 199 void setvlan __P((const char *, int)); 200 void setvlanif __P((const char *, int)); 201 void unsetvlanif __P((const char *, int)); 202 int main __P((int, char *[])); 203 204 /* 205 * Media stuff. Whenever a media command is first performed, the 206 * currently select media is grabbed for this interface. If `media' 207 * is given, the current media word is modifed. `mediaopt' commands 208 * only modify the set and clear words. They then operate on the 209 * current media word later. 210 */ 211 int media_current; 212 int mediaopt_set; 213 int mediaopt_clear; 214 215 int actions; /* Actions performed */ 216 217 #define A_MEDIA 0x0001 /* media command */ 218 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 219 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 220 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 221 #define A_MEDIAINST 0x0008 /* instance or inst command */ 222 223 #define NEXTARG 0xffffff 224 #define NEXTARG2 0xfffffe 225 226 const struct cmd { 227 const char *c_name; 228 int c_parameter; /* NEXTARG means next argv */ 229 int c_action; /* defered action */ 230 void (*c_func) __P((const char *, int)); 231 void (*c_func2) __P((const char *, const char *)); 232 } cmds[] = { 233 { "up", IFF_UP, 0, setifflags } , 234 { "down", -IFF_UP, 0, setifflags }, 235 { "trailers", -1, 0, notrailers }, 236 { "-trailers", 1, 0, notrailers }, 237 { "arp", -IFF_NOARP, 0, setifflags }, 238 { "-arp", IFF_NOARP, 0, setifflags }, 239 { "debug", IFF_DEBUG, 0, setifflags }, 240 { "-debug", -IFF_DEBUG, 0, setifflags }, 241 { "alias", IFF_UP, 0, notealias }, 242 { "-alias", -IFF_UP, 0, notealias }, 243 { "delete", -IFF_UP, 0, notealias }, 244 #ifdef notdef 245 #define EN_SWABIPS 0x1000 246 { "swabips", EN_SWABIPS, 0, setifflags }, 247 { "-swabips", -EN_SWABIPS, 0, setifflags }, 248 #endif 249 { "netmask", NEXTARG, 0, setifnetmask }, 250 { "metric", NEXTARG, 0, setifmetric }, 251 { "mtu", NEXTARG, 0, setifmtu }, 252 { "bssid", NEXTARG, 0, setifbssid }, 253 { "-bssid", -1, 0, setifbssid }, 254 { "chan", NEXTARG, 0, setifchan }, 255 { "-chan", -1, 0, setifchan }, 256 { "nwid", NEXTARG, 0, setifnwid }, 257 { "nwkey", NEXTARG, 0, setifnwkey }, 258 { "-nwkey", -1, 0, setifnwkey }, 259 { "powersave", 1, 0, setifpowersave }, 260 { "-powersave", 0, 0, setifpowersave }, 261 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 262 { "broadcast", NEXTARG, 0, setifbroadaddr }, 263 { "ipdst", NEXTARG, 0, setifipdst }, 264 { "prefixlen", NEXTARG, 0, setifprefixlen}, 265 #ifdef INET6 266 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 267 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 268 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 269 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 270 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 271 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 272 { "pltime", NEXTARG, 0, setia6pltime }, 273 { "vltime", NEXTARG, 0, setia6vltime }, 274 { "eui64", 0, 0, setia6eui64 }, 275 #endif /*INET6*/ 276 #ifndef INET_ONLY 277 { "range", NEXTARG, 0, setatrange }, 278 { "phase", NEXTARG, 0, setatphase }, 279 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 280 { "nsellength", NEXTARG, 0, setnsellength }, 281 #endif /* INET_ONLY */ 282 { "tunnel", NEXTARG2, 0, NULL, 283 settunnel } , 284 { "deletetunnel", 0, 0, deletetunnel }, 285 { "vlan", NEXTARG, 0, setvlan } , 286 { "vlanif", NEXTARG, 0, setvlanif } , 287 { "-vlanif", 0, 0, unsetvlanif } , 288 #if 0 289 /* XXX `create' special-cased below */ 290 { "create", 0, 0, clone_create } , 291 #endif 292 { "destroy", 0, 0, clone_destroy } , 293 { "link0", IFF_LINK0, 0, setifflags } , 294 { "-link0", -IFF_LINK0, 0, setifflags } , 295 { "link1", IFF_LINK1, 0, setifflags } , 296 { "-link1", -IFF_LINK1, 0, setifflags } , 297 { "link2", IFF_LINK2, 0, setifflags } , 298 { "-link2", -IFF_LINK2, 0, setifflags } , 299 { "media", NEXTARG, A_MEDIA, setmedia }, 300 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 301 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 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_subtype __P((int, const char *)); 338 int get_media_options __P((int, const char *)); 339 int lookup_media_word __P((struct ifmedia_description *, int, 340 const char *)); 341 void print_media_word __P((int, int, int)); 342 void process_media_commands __P((void)); 343 void init_current_media __P((void)); 344 345 /* 346 * XNS support liberally adapted from code written at the University of 347 * Maryland principally by James O'Toole and Chris Torek. 348 */ 349 void in_alias __P((struct ifreq *)); 350 void in_status __P((int)); 351 void in_getaddr __P((const char *, int)); 352 void in_getprefix __P((const char *, int)); 353 #ifdef INET6 354 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 355 void in6_alias __P((struct in6_ifreq *)); 356 void in6_status __P((int)); 357 void in6_getaddr __P((const char *, int)); 358 void in6_getprefix __P((const char *, int)); 359 #endif 360 void at_status __P((int)); 361 void at_getaddr __P((const char *, int)); 362 void xns_status __P((int)); 363 void xns_getaddr __P((const char *, int)); 364 void iso_status __P((int)); 365 void iso_getaddr __P((const char *, int)); 366 367 void ieee80211_status __P((void)); 368 void tunnel_status __P((void)); 369 void vlan_status __P((void)); 370 371 /* Known address families */ 372 struct afswtch { 373 const char *af_name; 374 short af_af; 375 void (*af_status) __P((int)); 376 void (*af_getaddr) __P((const char *, int)); 377 void (*af_getprefix) __P((const char *, int)); 378 u_long af_difaddr; 379 u_long af_aifaddr; 380 u_long af_gifaddr; 381 caddr_t af_ridreq; 382 caddr_t af_addreq; 383 } afs[] = { 384 #define C(x) ((caddr_t) &x) 385 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 387 #ifdef INET6 388 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 389 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 390 /* 391 * Deleting the first address before setting new one is 392 * not prefered way in this protocol. 393 */ 394 0, 395 C(in6_ridreq), C(in6_addreq) }, 396 #endif 397 #ifndef INET_ONLY /* small version, for boot media */ 398 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 399 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 400 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 401 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 402 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 403 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 404 C(iso_ridreq), C(iso_addreq) }, 405 #endif /* INET_ONLY */ 406 { 0, 0, 0, 0 } 407 }; 408 409 struct afswtch *afp; /*the address family being set or asked about*/ 410 411 struct afswtch *lookup_af __P((const char *)); 412 413 int 414 main(argc, argv) 415 int argc; 416 char *argv[]; 417 { 418 struct ifreq ifreq; 419 int ch; 420 421 /* Parse command-line options */ 422 aflag = mflag = vflag = zflag = 0; 423 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 424 #ifdef INET6 425 "L" 426 #endif 427 )) != -1) { 428 switch (ch) { 429 case 'A': 430 warnx("-A is deprecated"); 431 break; 432 433 case 'a': 434 aflag = 1; 435 break; 436 437 case 'b': 438 bflag = 1; 439 break; 440 441 case 'C': 442 Cflag = 1; 443 break; 444 445 case 'd': 446 dflag = 1; 447 break; 448 449 #ifdef INET6 450 case 'L': 451 Lflag = 1; 452 break; 453 #endif 454 455 case 'l': 456 lflag = 1; 457 break; 458 459 case 'm': 460 mflag = 1; 461 break; 462 463 case 's': 464 sflag = 1; 465 break; 466 467 case 'u': 468 uflag = 1; 469 break; 470 471 case 'v': 472 vflag = 1; 473 break; 474 475 case 'z': 476 zflag = 1; 477 break; 478 479 480 default: 481 usage(); 482 /* NOTREACHED */ 483 } 484 } 485 argc -= optind; 486 argv += optind; 487 488 /* 489 * -l means "list all interfaces", and is mutally exclusive with 490 * all other flags/commands. 491 * 492 * -C means "list all names of cloners", and it mutually exclusive 493 * with all other flags/commands. 494 * 495 * -a means "print status of all interfaces". 496 */ 497 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 498 usage(); 499 #ifdef INET6 500 if ((lflag || Cflag) && Lflag) 501 usage(); 502 #endif 503 if (lflag && Cflag) 504 usage(); 505 if (Cflag) { 506 if (argc) 507 usage(); 508 list_cloners(); 509 exit(0); 510 } 511 if (aflag || lflag) { 512 if (argc > 1) 513 usage(); 514 else if (argc == 1) { 515 afp = lookup_af(argv[0]); 516 if (afp == NULL) 517 usage(); 518 } 519 if (afp) 520 af = ifr.ifr_addr.sa_family = afp->af_af; 521 else 522 af = ifr.ifr_addr.sa_family = afs[0].af_af; 523 printall(NULL); 524 exit(0); 525 } 526 527 /* Make sure there's an interface name. */ 528 if (argc < 1) 529 usage(); 530 (void) strlcpy(name, argv[0], sizeof(name)); 531 argc--; argv++; 532 533 /* 534 * NOTE: We must special-case the `create' command right 535 * here as we would otherwise fail in getinfo(). 536 */ 537 if (argc > 0 && strcmp(argv[0], "create") == 0) { 538 clone_create(argv[0], 0); 539 argc--, argv++; 540 if (argc == 0) 541 exit(0); 542 } 543 544 /* Check for address family. */ 545 afp = NULL; 546 if (argc > 0) { 547 afp = lookup_af(argv[0]); 548 if (afp != NULL) { 549 argv++; 550 argc--; 551 } 552 } 553 554 /* Initialize af, just for use in getinfo(). */ 555 if (afp == NULL) 556 af = afs->af_af; 557 else 558 af = afp->af_af; 559 560 /* Get information about the interface. */ 561 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 562 if (getinfo(&ifr) < 0) 563 exit(1); 564 565 if (sflag) { 566 if (argc != 0) 567 usage(); 568 else 569 exit(carrier()); 570 } 571 572 /* No more arguments means interface status. */ 573 if (argc == 0) { 574 printall(name); 575 exit(0); 576 } 577 578 /* The following operations assume inet family as the default. */ 579 if (afp == NULL) 580 afp = afs; 581 af = ifr.ifr_addr.sa_family = afp->af_af; 582 583 #ifdef INET6 584 /* initialization */ 585 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 586 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 587 #endif 588 589 /* Process commands. */ 590 while (argc > 0) { 591 const struct cmd *p; 592 593 for (p = cmds; p->c_name; p++) 594 if (strcmp(argv[0], p->c_name) == 0) 595 break; 596 if (p->c_name == 0 && setaddr) { 597 if ((flags & IFF_POINTOPOINT) == 0) { 598 errx(EXIT_FAILURE, 599 "can't set destination address %s", 600 "on non-point-to-point link"); 601 } 602 p++; /* got src, do dst */ 603 } 604 if (p->c_func != NULL || p->c_func2 != NULL) { 605 if (p->c_parameter == NEXTARG) { 606 if (argc < 2) 607 errx(EXIT_FAILURE, 608 "'%s' requires argument", 609 p->c_name); 610 (*p->c_func)(argv[1], 0); 611 argc--, argv++; 612 } else if (p->c_parameter == NEXTARG2) { 613 if (argc < 3) 614 errx(EXIT_FAILURE, 615 "'%s' requires 2 arguments", 616 p->c_name); 617 (*p->c_func2)(argv[1], argv[2]); 618 argc -= 2, argv += 2; 619 } else 620 (*p->c_func)(argv[0], p->c_parameter); 621 actions |= p->c_action; 622 } 623 argc--, argv++; 624 } 625 626 /* 627 * See if multiple alias, -alias, or delete commands were 628 * specified. More than one constitutes an invalid command line 629 */ 630 631 if (conflicting > 1) 632 err(EXIT_FAILURE, 633 "Only one use of alias, -alias or delete is valid."); 634 635 /* Process any media commands that may have been issued. */ 636 process_media_commands(); 637 638 if (af == AF_INET6 && explicit_prefix == 0) { 639 /* 640 * Aggregatable address architecture defines all prefixes 641 * are 64. So, it is convenient to set prefixlen to 64 if 642 * it is not specified. 643 */ 644 setifprefixlen("64", 0); 645 /* in6_getprefix("64", MASK) if MASK is available here... */ 646 } 647 648 #ifndef INET_ONLY 649 if (af == AF_ISO) 650 adjust_nsellength(); 651 652 if (af == AF_APPLETALK) 653 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 654 655 if (setipdst && af==AF_NS) { 656 struct nsip_req rq; 657 int size = sizeof(rq); 658 659 rq.rq_ns = addreq.ifra_addr; 660 rq.rq_ip = addreq.ifra_dstaddr; 661 662 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 663 warn("encapsulation routing"); 664 } 665 666 #endif /* INET_ONLY */ 667 668 if (clearaddr) { 669 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 670 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 671 err(EXIT_FAILURE, "SIOCDIFADDR"); 672 } 673 if (newaddr > 0) { 674 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 675 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 676 warn("SIOCAIFADDR"); 677 } 678 679 if (g_ifcr_updated) { 680 (void) strncpy(g_ifcr.ifcr_name, name, 681 sizeof(g_ifcr.ifcr_name)); 682 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 683 err(EXIT_FAILURE, "SIOCSIFCAP"); 684 } 685 686 if (reset_if_flags) { 687 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 688 ifreq.ifr_flags = flags; 689 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 690 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 691 } 692 exit(0); 693 } 694 695 struct afswtch * 696 lookup_af(cp) 697 const char *cp; 698 { 699 struct afswtch *a; 700 701 for (a = afs; a->af_name != NULL; a++) 702 if (strcmp(a->af_name, cp) == 0) 703 return (a); 704 return (NULL); 705 } 706 707 void 708 getsock(naf) 709 int naf; 710 { 711 static int oaf = -1; 712 713 if (oaf == naf) 714 return; 715 if (oaf != -1) 716 close(s); 717 s = socket(naf, SOCK_DGRAM, 0); 718 if (s < 0) 719 oaf = -1; 720 else 721 oaf = naf; 722 } 723 724 int 725 getinfo(giifr) 726 struct ifreq *giifr; 727 { 728 729 getsock(af); 730 if (s < 0) 731 err(EXIT_FAILURE, "socket"); 732 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 733 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 734 return (-1); 735 } 736 flags = giifr->ifr_flags; 737 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 738 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 739 metric = 0; 740 } else 741 metric = giifr->ifr_metric; 742 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 743 mtu = 0; 744 else 745 mtu = giifr->ifr_mtu; 746 747 memset(&g_ifcr, 0, sizeof(g_ifcr)); 748 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 749 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 750 751 return (0); 752 } 753 754 void 755 printall(ifname) 756 const char *ifname; 757 { 758 struct ifaddrs *ifap, *ifa; 759 struct ifreq paifr; 760 const struct sockaddr_dl *sdl = NULL; 761 int idx; 762 char *p; 763 764 if (getifaddrs(&ifap) != 0) 765 err(EXIT_FAILURE, "getifaddrs"); 766 p = NULL; 767 idx = 0; 768 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 769 memset(&paifr, 0, sizeof(paifr)); 770 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 771 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 772 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 773 ifa->ifa_addr->sa_len); 774 } 775 776 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 777 continue; 778 if (ifa->ifa_addr->sa_family == AF_LINK) 779 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 780 if (p && strcmp(p, ifa->ifa_name) == 0) 781 continue; 782 (void) strlcpy(name, ifa->ifa_name, sizeof(name)); 783 p = ifa->ifa_name; 784 785 if (getinfo(&paifr) < 0) 786 continue; 787 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 788 continue; 789 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 790 continue; 791 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 792 continue; 793 794 if (sflag && carrier()) 795 continue; 796 idx++; 797 /* 798 * Are we just listing the interfaces? 799 */ 800 if (lflag) { 801 if (idx > 1) 802 putchar(' '); 803 fputs(name, stdout); 804 continue; 805 } 806 807 status(sdl); 808 sdl = NULL; 809 } 810 if (lflag) 811 putchar('\n'); 812 freeifaddrs(ifap); 813 } 814 815 void 816 list_cloners(void) 817 { 818 struct if_clonereq ifcr; 819 char *cp, *buf; 820 int idx; 821 822 memset(&ifcr, 0, sizeof(ifcr)); 823 824 getsock(AF_INET); 825 826 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 827 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 828 829 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 830 if (buf == NULL) 831 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 832 833 ifcr.ifcr_count = ifcr.ifcr_total; 834 ifcr.ifcr_buffer = buf; 835 836 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 837 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 838 839 /* 840 * In case some disappeared in the mean time, clamp it down. 841 */ 842 if (ifcr.ifcr_count > ifcr.ifcr_total) 843 ifcr.ifcr_count = ifcr.ifcr_total; 844 845 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 846 if (idx > 0) 847 putchar(' '); 848 printf("%s", cp); 849 } 850 851 putchar('\n'); 852 free(buf); 853 return; 854 } 855 856 /*ARGSUSED*/ 857 void 858 clone_create(addr, param) 859 const char *addr; 860 int param; 861 { 862 863 /* We're called early... */ 864 getsock(AF_INET); 865 866 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 867 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 868 err(EXIT_FAILURE, "SIOCIFCREATE"); 869 } 870 871 /*ARGSUSED*/ 872 void 873 clone_destroy(addr, param) 874 const char *addr; 875 int param; 876 { 877 878 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 879 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 880 err(EXIT_FAILURE, "SIOCIFDESTROY"); 881 } 882 883 #define RIDADDR 0 884 #define ADDR 1 885 #define MASK 2 886 #define DSTADDR 3 887 888 /*ARGSUSED*/ 889 void 890 setifaddr(addr, param) 891 const char *addr; 892 int param; 893 { 894 struct ifreq *siifr; /* XXX */ 895 896 /* 897 * Delay the ioctl to set the interface addr until flags are all set. 898 * The address interpretation may depend on the flags, 899 * and the flags may change when the address is set. 900 */ 901 setaddr++; 902 if (newaddr == -1) 903 newaddr = 1; 904 if (doalias == 0 && afp->af_gifaddr != 0) { 905 siifr = (struct ifreq *)afp->af_ridreq; 906 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 907 siifr->ifr_addr.sa_family = afp->af_af; 908 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 909 clearaddr = 1; 910 else if (errno == EADDRNOTAVAIL) 911 /* No address was assigned yet. */ 912 ; 913 else 914 err(EXIT_FAILURE, "SIOCGIFADDR"); 915 } 916 917 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 918 } 919 920 void 921 settunnel(src, dst) 922 const char *src, *dst; 923 { 924 struct addrinfo hints, *srcres, *dstres; 925 int ecode; 926 struct if_laddrreq req; 927 928 memset(&hints, 0, sizeof(hints)); 929 hints.ai_family = afp->af_af; 930 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 931 932 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 933 errx(EXIT_FAILURE, "error in parsing address string: %s", 934 gai_strerror(ecode)); 935 936 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 937 errx(EXIT_FAILURE, "error in parsing address string: %s", 938 gai_strerror(ecode)); 939 940 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 941 errx(EXIT_FAILURE, 942 "source and destination address families do not match"); 943 944 if (srcres->ai_addrlen > sizeof(req.addr) || 945 dstres->ai_addrlen > sizeof(req.dstaddr)) 946 errx(EXIT_FAILURE, "invalid sockaddr"); 947 948 memset(&req, 0, sizeof(req)); 949 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 950 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 951 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 952 953 #ifdef INET6 954 if (req.addr.ss_family == AF_INET6) { 955 struct sockaddr_in6 *s6, *d; 956 957 s6 = (struct sockaddr_in6 *)&req.addr; 958 d = (struct sockaddr_in6 *)&req.dstaddr; 959 if (s6->sin6_scope_id != d->sin6_scope_id) { 960 errx(EXIT_FAILURE, "scope mismatch"); 961 /* NOTREACHED */ 962 } 963 #ifdef __KAME__ 964 /* embed scopeid */ 965 if (s6->sin6_scope_id && 966 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 967 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 968 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 969 htons(s6->sin6_scope_id); 970 } 971 if (d->sin6_scope_id && 972 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 973 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 974 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 975 htons(d->sin6_scope_id); 976 } 977 #endif 978 } 979 #endif 980 981 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 982 warn("SIOCSLIFPHYADDR"); 983 984 freeaddrinfo(srcres); 985 freeaddrinfo(dstres); 986 } 987 988 /* ARGSUSED */ 989 void 990 deletetunnel(vname, param) 991 const char *vname; 992 int param; 993 { 994 995 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 996 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 997 } 998 999 void setvlan(val, d) 1000 const char *val; 1001 int d; 1002 { 1003 struct vlanreq vlr; 1004 1005 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1006 !isdigit(ifr.ifr_name[4])) 1007 errx(EXIT_FAILURE, 1008 "``vlan'' valid only with vlan(4) interfaces"); 1009 1010 vlan_tag = atoi(val); 1011 1012 memset(&vlr, 0, sizeof(vlr)); 1013 ifr.ifr_data = (caddr_t)&vlr; 1014 1015 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1016 err(EXIT_FAILURE, "SIOCGETVLAN"); 1017 1018 vlr.vlr_tag = vlan_tag; 1019 1020 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1021 err(EXIT_FAILURE, "SIOCSETVLAN"); 1022 } 1023 1024 void setvlanif(val, d) 1025 const char *val; 1026 int d; 1027 { 1028 struct vlanreq vlr; 1029 1030 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1031 !isdigit(ifr.ifr_name[4])) 1032 errx(EXIT_FAILURE, 1033 "``vlanif'' valid only with vlan(4) interfaces"); 1034 1035 if (vlan_tag == (u_int)-1) 1036 errx(EXIT_FAILURE, 1037 "must specify both ``vlan'' and ``vlanif''"); 1038 1039 memset(&vlr, 0, sizeof(vlr)); 1040 ifr.ifr_data = (caddr_t)&vlr; 1041 1042 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1043 err(EXIT_FAILURE, "SIOCGETVLAN"); 1044 1045 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1046 vlr.vlr_tag = vlan_tag; 1047 1048 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1049 err(EXIT_FAILURE, "SIOCSETVLAN"); 1050 } 1051 1052 void unsetvlanif(val, d) 1053 const char *val; 1054 int d; 1055 { 1056 struct vlanreq vlr; 1057 1058 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1059 !isdigit(ifr.ifr_name[4])) 1060 errx(EXIT_FAILURE, 1061 "``vlanif'' valid only with vlan(4) interfaces"); 1062 1063 memset(&vlr, 0, sizeof(vlr)); 1064 ifr.ifr_data = (caddr_t)&vlr; 1065 1066 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1067 err(EXIT_FAILURE, "SIOCGETVLAN"); 1068 1069 vlr.vlr_parent[0] = '\0'; 1070 vlr.vlr_tag = 0; 1071 1072 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1073 err(EXIT_FAILURE, "SIOCSETVLAN"); 1074 } 1075 1076 void 1077 setifnetmask(addr, d) 1078 const char *addr; 1079 int d; 1080 { 1081 (*afp->af_getaddr)(addr, MASK); 1082 } 1083 1084 void 1085 setifbroadaddr(addr, d) 1086 const char *addr; 1087 int d; 1088 { 1089 (*afp->af_getaddr)(addr, DSTADDR); 1090 } 1091 1092 void 1093 setifipdst(addr, d) 1094 const char *addr; 1095 int d; 1096 { 1097 in_getaddr(addr, DSTADDR); 1098 setipdst++; 1099 clearaddr = 0; 1100 newaddr = 0; 1101 } 1102 1103 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1104 /*ARGSUSED*/ 1105 void 1106 notealias(addr, param) 1107 const char *addr; 1108 int param; 1109 { 1110 if (setaddr && doalias == 0 && param < 0) 1111 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1112 rqtosa(af_addreq)->sa_len); 1113 doalias = param; 1114 if (param < 0) { 1115 clearaddr = 1; 1116 newaddr = 0; 1117 conflicting++; 1118 } else { 1119 clearaddr = 0; 1120 conflicting++; 1121 } 1122 } 1123 1124 /*ARGSUSED*/ 1125 void 1126 notrailers(vname, value) 1127 const char *vname; 1128 int value; 1129 { 1130 puts("Note: trailers are no longer sent, but always received"); 1131 } 1132 1133 /*ARGSUSED*/ 1134 void 1135 setifdstaddr(addr, param) 1136 const char *addr; 1137 int param; 1138 { 1139 (*afp->af_getaddr)(addr, DSTADDR); 1140 } 1141 1142 void 1143 setifflags(vname, value) 1144 const char *vname; 1145 int value; 1146 { 1147 struct ifreq ifreq; 1148 1149 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1150 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1151 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1152 flags = ifreq.ifr_flags; 1153 1154 if (value < 0) { 1155 value = -value; 1156 flags &= ~value; 1157 } else 1158 flags |= value; 1159 ifreq.ifr_flags = flags; 1160 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1161 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1162 1163 reset_if_flags = 1; 1164 } 1165 1166 void 1167 setifcaps(vname, value) 1168 const char *vname; 1169 int value; 1170 { 1171 1172 if (value < 0) { 1173 value = -value; 1174 g_ifcr.ifcr_capenable &= ~value; 1175 } else 1176 g_ifcr.ifcr_capenable |= value; 1177 1178 g_ifcr_updated = 1; 1179 } 1180 1181 #ifdef INET6 1182 void 1183 setia6flags(vname, value) 1184 const char *vname; 1185 int value; 1186 { 1187 1188 if (value < 0) { 1189 value = -value; 1190 in6_addreq.ifra_flags &= ~value; 1191 } else 1192 in6_addreq.ifra_flags |= value; 1193 } 1194 1195 void 1196 setia6pltime(val, d) 1197 const char *val; 1198 int d; 1199 { 1200 1201 setia6lifetime("pltime", val); 1202 } 1203 1204 void 1205 setia6vltime(val, d) 1206 const char *val; 1207 int d; 1208 { 1209 1210 setia6lifetime("vltime", val); 1211 } 1212 1213 void 1214 setia6lifetime(cmd, val) 1215 const char *cmd; 1216 const char *val; 1217 { 1218 time_t newval, t; 1219 char *ep; 1220 1221 t = time(NULL); 1222 newval = (time_t)strtoul(val, &ep, 0); 1223 if (val == ep) 1224 errx(EXIT_FAILURE, "invalid %s", cmd); 1225 if (afp->af_af != AF_INET6) 1226 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1227 if (strcmp(cmd, "vltime") == 0) { 1228 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1229 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1230 } else if (strcmp(cmd, "pltime") == 0) { 1231 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1232 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1233 } 1234 } 1235 1236 void 1237 setia6eui64(cmd, val) 1238 const char *cmd; 1239 int val; 1240 { 1241 struct ifaddrs *ifap, *ifa; 1242 const struct sockaddr_in6 *sin6 = NULL; 1243 const struct in6_addr *lladdr = NULL; 1244 struct in6_addr *in6; 1245 1246 if (afp->af_af != AF_INET6) 1247 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1248 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1249 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1250 errx(EXIT_FAILURE, "interface index is already filled"); 1251 if (getifaddrs(&ifap) != 0) 1252 err(EXIT_FAILURE, "getifaddrs"); 1253 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1254 if (ifa->ifa_addr->sa_family == AF_INET6 && 1255 strcmp(ifa->ifa_name, name) == 0) { 1256 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1257 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1258 lladdr = &sin6->sin6_addr; 1259 break; 1260 } 1261 } 1262 } 1263 if (!lladdr) 1264 errx(EXIT_FAILURE, "could not determine link local address"); 1265 1266 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1267 1268 freeifaddrs(ifap); 1269 } 1270 #endif 1271 1272 void 1273 setifmetric(val, d) 1274 const char *val; 1275 int d; 1276 { 1277 char *ep = NULL; 1278 1279 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1280 ifr.ifr_metric = strtoul(val, &ep, 10); 1281 if (!ep || *ep) 1282 errx(EXIT_FAILURE, "%s: invalid metric", val); 1283 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1284 warn("SIOCSIFMETRIC"); 1285 } 1286 1287 void 1288 setifmtu(val, d) 1289 const char *val; 1290 int d; 1291 { 1292 char *ep = NULL; 1293 1294 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1295 ifr.ifr_mtu = strtoul(val, &ep, 10); 1296 if (!ep || *ep) 1297 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1298 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1299 warn("SIOCSIFMTU"); 1300 } 1301 1302 const char * 1303 get_string(val, sep, buf, lenp) 1304 const char *val, *sep; 1305 u_int8_t *buf; 1306 int *lenp; 1307 { 1308 int len; 1309 int hexstr; 1310 u_int8_t *p; 1311 1312 len = *lenp; 1313 p = buf; 1314 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1315 if (hexstr) 1316 val += 2; 1317 for (;;) { 1318 if (*val == '\0') 1319 break; 1320 if (sep != NULL && strchr(sep, *val) != NULL) { 1321 val++; 1322 break; 1323 } 1324 if (hexstr) { 1325 if (!isxdigit((u_char)val[0]) || 1326 !isxdigit((u_char)val[1])) { 1327 warnx("bad hexadecimal digits"); 1328 return NULL; 1329 } 1330 } 1331 if (p > buf + len) { 1332 if (hexstr) 1333 warnx("hexadecimal digits too long"); 1334 else 1335 warnx("strings too long"); 1336 return NULL; 1337 } 1338 if (hexstr) { 1339 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1340 *p++ = (tohex((u_char)val[0]) << 4) | 1341 tohex((u_char)val[1]); 1342 #undef tohex 1343 val += 2; 1344 } else 1345 *p++ = *val++; 1346 } 1347 len = p - buf; 1348 if (len < *lenp) 1349 memset(p, 0, *lenp - len); 1350 *lenp = len; 1351 return val; 1352 } 1353 1354 void 1355 print_string(buf, len) 1356 const u_int8_t *buf; 1357 int len; 1358 { 1359 int i; 1360 int hasspc; 1361 1362 i = 0; 1363 hasspc = 0; 1364 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1365 for (; i < len; i++) { 1366 if (!isprint(buf[i])) 1367 break; 1368 if (isspace(buf[i])) 1369 hasspc++; 1370 } 1371 } 1372 if (i == len) { 1373 if (hasspc || len == 0) 1374 printf("\"%.*s\"", len, buf); 1375 else 1376 printf("%.*s", len, buf); 1377 } else { 1378 printf("0x"); 1379 for (i = 0; i < len; i++) 1380 printf("%02x", buf[i]); 1381 } 1382 } 1383 1384 void 1385 setifnwid(val, d) 1386 const char *val; 1387 int d; 1388 { 1389 struct ieee80211_nwid nwid; 1390 int len; 1391 1392 len = sizeof(nwid.i_nwid); 1393 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1394 return; 1395 nwid.i_len = len; 1396 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1397 ifr.ifr_data = (caddr_t)&nwid; 1398 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1399 warn("SIOCS80211NWID"); 1400 } 1401 1402 void 1403 setifbssid(val, d) 1404 const char *val; 1405 int d; 1406 { 1407 struct ieee80211_bssid bssid; 1408 struct ether_addr *ea; 1409 1410 if (d != 0) { 1411 /* no BSSID is especially desired */ 1412 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1413 } else { 1414 ea = ether_aton(val); 1415 if (ea == NULL) { 1416 warnx("malformed BSSID: %s", val); 1417 return; 1418 } 1419 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1420 sizeof(bssid.i_bssid)); 1421 } 1422 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1423 if (ioctl(s, SIOCS80211BSSID, (caddr_t)&bssid) == -1) 1424 warn("SIOCS80211BSSID"); 1425 } 1426 1427 void 1428 setifchan(val, d) 1429 const char *val; 1430 int d; 1431 { 1432 struct ieee80211_channel channel; 1433 int chan; 1434 1435 if (d != 0) 1436 chan = IEEE80211_CHAN_ANY; 1437 else { 1438 chan = atoi(val); 1439 if (chan < 0 || chan > 0xffff) { 1440 warnx("invalid channel: %s", val); 1441 return; 1442 } 1443 } 1444 1445 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1446 channel.i_channel = (u_int16_t) chan; 1447 if (ioctl(s, SIOCS80211CHANNEL, (caddr_t)&channel) == -1) 1448 warn("SIOCS80211CHANNEL"); 1449 } 1450 1451 void 1452 setifnwkey(val, d) 1453 const char *val; 1454 int d; 1455 { 1456 struct ieee80211_nwkey nwkey; 1457 int i; 1458 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1459 1460 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1461 nwkey.i_defkid = 1; 1462 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1463 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1464 nwkey.i_key[i].i_keydat = keybuf[i]; 1465 } 1466 if (d != 0) { 1467 /* disable WEP encryption */ 1468 nwkey.i_wepon = 0; 1469 i = 0; 1470 } else if (strcasecmp("persist", val) == 0) { 1471 /* use all values from persistent memory */ 1472 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1473 nwkey.i_defkid = 0; 1474 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1475 nwkey.i_key[i].i_keylen = -1; 1476 } else if (strncasecmp("persist:", val, 8) == 0) { 1477 val += 8; 1478 /* program keys in persistent memory */ 1479 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1480 goto set_nwkey; 1481 } else { 1482 set_nwkey: 1483 if (isdigit(val[0]) && val[1] == ':') { 1484 /* specifying a full set of four keys */ 1485 nwkey.i_defkid = val[0] - '0'; 1486 val += 2; 1487 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1488 val = get_string(val, ",", keybuf[i], 1489 &nwkey.i_key[i].i_keylen); 1490 if (val == NULL) 1491 return; 1492 } 1493 if (*val != '\0') { 1494 warnx("SIOCS80211NWKEY: too many keys."); 1495 return; 1496 } 1497 } else { 1498 val = get_string(val, NULL, keybuf[0], 1499 &nwkey.i_key[0].i_keylen); 1500 if (val == NULL) 1501 return; 1502 i = 1; 1503 } 1504 } 1505 for (; i < IEEE80211_WEP_NKID; i++) 1506 nwkey.i_key[i].i_keylen = 0; 1507 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1508 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1509 warn("SIOCS80211NWKEY"); 1510 } 1511 1512 void 1513 setifpowersave(val, d) 1514 const char *val; 1515 int d; 1516 { 1517 struct ieee80211_power power; 1518 1519 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1520 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1521 warn("SIOCG80211POWER"); 1522 return; 1523 } 1524 1525 power.i_enabled = d; 1526 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1527 warn("SIOCS80211POWER"); 1528 } 1529 1530 void 1531 setifpowersavesleep(val, d) 1532 const char *val; 1533 int d; 1534 { 1535 struct ieee80211_power power; 1536 1537 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1538 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1539 warn("SIOCG80211POWER"); 1540 return; 1541 } 1542 1543 power.i_maxsleep = atoi(val); 1544 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1545 warn("SIOCS80211POWER"); 1546 } 1547 1548 void 1549 ieee80211_status() 1550 { 1551 int i, nwkey_verbose; 1552 struct ieee80211_nwid nwid; 1553 struct ieee80211_nwkey nwkey; 1554 struct ieee80211_power power; 1555 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1556 struct ieee80211_bssid bssid; 1557 struct ieee80211_channel channel; 1558 struct ether_addr ea; 1559 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1560 1561 memset(&ifr, 0, sizeof(ifr)); 1562 ifr.ifr_data = (caddr_t)&nwid; 1563 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1564 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1565 return; 1566 if (nwid.i_len > IEEE80211_NWID_LEN) { 1567 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1568 return; 1569 } 1570 printf("\tnwid "); 1571 print_string(nwid.i_nwid, nwid.i_len); 1572 memset(&nwkey, 0, sizeof(nwkey)); 1573 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1574 /* show nwkey only when WEP is enabled */ 1575 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1576 nwkey.i_wepon == 0) { 1577 printf("\n"); 1578 goto skip_wep; 1579 } 1580 1581 printf(" nwkey "); 1582 /* try to retrieve WEP keys */ 1583 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1584 nwkey.i_key[i].i_keydat = keybuf[i]; 1585 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1586 } 1587 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1588 printf("*****"); 1589 } else { 1590 nwkey_verbose = 0; 1591 /* check to see non default key or multiple keys defined */ 1592 if (nwkey.i_defkid != 1) { 1593 nwkey_verbose = 1; 1594 } else { 1595 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1596 if (nwkey.i_key[i].i_keylen != 0) { 1597 nwkey_verbose = 1; 1598 break; 1599 } 1600 } 1601 } 1602 /* check extra ambiguity with keywords */ 1603 if (!nwkey_verbose) { 1604 if (nwkey.i_key[0].i_keylen >= 2 && 1605 isdigit(nwkey.i_key[0].i_keydat[0]) && 1606 nwkey.i_key[0].i_keydat[1] == ':') 1607 nwkey_verbose = 1; 1608 else if (nwkey.i_key[0].i_keylen >= 7 && 1609 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1610 == 0) 1611 nwkey_verbose = 1; 1612 } 1613 if (nwkey_verbose) 1614 printf("%d:", nwkey.i_defkid); 1615 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1616 if (i > 0) 1617 printf(","); 1618 if (nwkey.i_key[i].i_keylen < 0) 1619 printf("persist"); 1620 else 1621 print_string(nwkey.i_key[i].i_keydat, 1622 nwkey.i_key[i].i_keylen); 1623 if (!nwkey_verbose) 1624 break; 1625 } 1626 } 1627 printf("\n"); 1628 1629 skip_wep: 1630 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1631 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1632 goto skip_power; 1633 printf("\tpowersave "); 1634 if (power.i_enabled) 1635 printf("on (%dms sleep)", power.i_maxsleep); 1636 else 1637 printf("off"); 1638 printf("\n"); 1639 1640 skip_power: 1641 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1642 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1643 return; 1644 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1645 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1646 return; 1647 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1648 if (channel.i_channel != (u_int16_t)-1) 1649 printf("\tchan %d\n", channel.i_channel); 1650 } else { 1651 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1652 sizeof(ea.ether_addr_octet)); 1653 printf("\tbssid %s", ether_ntoa(&ea)); 1654 if (channel.i_channel != IEEE80211_CHAN_ANY) 1655 printf(" chan %d", channel.i_channel); 1656 printf("\n"); 1657 } 1658 } 1659 1660 void 1661 init_current_media() 1662 { 1663 struct ifmediareq ifmr; 1664 1665 /* 1666 * If we have not yet done so, grab the currently-selected 1667 * media. 1668 */ 1669 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1670 (void) memset(&ifmr, 0, sizeof(ifmr)); 1671 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1672 1673 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1674 /* 1675 * If we get E2BIG, the kernel is telling us 1676 * that there are more, so we can ignore it. 1677 */ 1678 if (errno != E2BIG) 1679 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1680 } 1681 1682 media_current = ifmr.ifm_current; 1683 } 1684 1685 /* Sanity. */ 1686 if (IFM_TYPE(media_current) == 0) 1687 errx(EXIT_FAILURE, "%s: no link type?", name); 1688 } 1689 1690 void 1691 process_media_commands() 1692 { 1693 1694 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1695 /* Nothing to do. */ 1696 return; 1697 } 1698 1699 /* 1700 * Media already set up, and commands sanity-checked. Set/clear 1701 * any options, and we're ready to go. 1702 */ 1703 media_current |= mediaopt_set; 1704 media_current &= ~mediaopt_clear; 1705 1706 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1707 ifr.ifr_media = media_current; 1708 1709 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1710 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1711 } 1712 1713 void 1714 setmedia(val, d) 1715 const char *val; 1716 int d; 1717 { 1718 int type, subtype, inst; 1719 1720 init_current_media(); 1721 1722 /* Only one media command may be given. */ 1723 if (actions & A_MEDIA) 1724 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1725 1726 /* Must not come after mediaopt commands */ 1727 if (actions & A_MEDIAOPT) 1728 errx(EXIT_FAILURE, 1729 "may not issue `media' after `mediaopt' commands"); 1730 1731 /* 1732 * No need to check if `instance' has been issued; setmediainst() 1733 * craps out if `media' has not been specified. 1734 */ 1735 1736 type = IFM_TYPE(media_current); 1737 inst = IFM_INST(media_current); 1738 1739 /* Look up the subtype. */ 1740 subtype = get_media_subtype(type, val); 1741 1742 /* Build the new current media word. */ 1743 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1744 1745 /* Media will be set after other processing is complete. */ 1746 } 1747 1748 void 1749 setmediaopt(val, d) 1750 const char *val; 1751 int d; 1752 { 1753 1754 init_current_media(); 1755 1756 /* Can only issue `mediaopt' once. */ 1757 if (actions & A_MEDIAOPTSET) 1758 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1759 1760 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1761 if (actions & A_MEDIAINST) 1762 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1763 1764 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1765 1766 /* Media will be set after other processing is complete. */ 1767 } 1768 1769 void 1770 unsetmediaopt(val, d) 1771 const char *val; 1772 int d; 1773 { 1774 1775 init_current_media(); 1776 1777 /* Can only issue `-mediaopt' once. */ 1778 if (actions & A_MEDIAOPTCLR) 1779 errx(EXIT_FAILURE, 1780 "only one `-mediaopt' command may be issued"); 1781 1782 /* May not issue `media' and `-mediaopt'. */ 1783 if (actions & A_MEDIA) 1784 errx(EXIT_FAILURE, 1785 "may not issue both `media' and `-mediaopt'"); 1786 1787 /* 1788 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1789 * implicitly checks for A_MEDIAINST. 1790 */ 1791 1792 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1793 1794 /* Media will be set after other processing is complete. */ 1795 } 1796 1797 void 1798 setmediainst(val, d) 1799 const char *val; 1800 int d; 1801 { 1802 int type, subtype, options, inst; 1803 1804 init_current_media(); 1805 1806 /* Can only issue `instance' once. */ 1807 if (actions & A_MEDIAINST) 1808 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1809 1810 /* Must have already specified `media' */ 1811 if ((actions & A_MEDIA) == 0) 1812 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1813 1814 type = IFM_TYPE(media_current); 1815 subtype = IFM_SUBTYPE(media_current); 1816 options = IFM_OPTIONS(media_current); 1817 1818 inst = atoi(val); 1819 if (inst < 0 || inst > IFM_INST_MAX) 1820 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1821 1822 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1823 1824 /* Media will be set after other processing is complete. */ 1825 } 1826 1827 struct ifmedia_description ifm_type_descriptions[] = 1828 IFM_TYPE_DESCRIPTIONS; 1829 1830 struct ifmedia_description ifm_subtype_descriptions[] = 1831 IFM_SUBTYPE_DESCRIPTIONS; 1832 1833 struct ifmedia_description ifm_option_descriptions[] = 1834 IFM_OPTION_DESCRIPTIONS; 1835 1836 const char * 1837 get_media_type_string(mword) 1838 int mword; 1839 { 1840 struct ifmedia_description *desc; 1841 1842 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1843 desc++) { 1844 if (IFM_TYPE(mword) == desc->ifmt_word) 1845 return (desc->ifmt_string); 1846 } 1847 return ("<unknown type>"); 1848 } 1849 1850 const char * 1851 get_media_subtype_string(mword) 1852 int mword; 1853 { 1854 struct ifmedia_description *desc; 1855 1856 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1857 desc++) { 1858 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1859 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1860 return (desc->ifmt_string); 1861 } 1862 return ("<unknown subtype>"); 1863 } 1864 1865 int 1866 get_media_subtype(type, val) 1867 int type; 1868 const char *val; 1869 { 1870 int rval; 1871 1872 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1873 if (rval == -1) 1874 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1875 get_media_type_string(type), val); 1876 1877 return (rval); 1878 } 1879 1880 int 1881 get_media_options(type, val) 1882 int type; 1883 const char *val; 1884 { 1885 char *optlist, *str; 1886 int option, rval = 0; 1887 1888 /* We muck with the string, so copy it. */ 1889 optlist = strdup(val); 1890 if (optlist == NULL) 1891 err(EXIT_FAILURE, "strdup"); 1892 str = optlist; 1893 1894 /* 1895 * Look up the options in the user-provided comma-separated list. 1896 */ 1897 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1898 option = lookup_media_word(ifm_option_descriptions, type, str); 1899 if (option == -1) 1900 errx(EXIT_FAILURE, "unknown %s media option: %s", 1901 get_media_type_string(type), str); 1902 rval |= IFM_OPTIONS(option); 1903 } 1904 1905 free(optlist); 1906 return (rval); 1907 } 1908 1909 int 1910 lookup_media_word(desc, type, val) 1911 struct ifmedia_description *desc; 1912 int type; 1913 const char *val; 1914 { 1915 1916 for (; desc->ifmt_string != NULL; desc++) { 1917 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1918 strcasecmp(desc->ifmt_string, val) == 0) 1919 return (desc->ifmt_word); 1920 } 1921 return (-1); 1922 } 1923 1924 void 1925 print_media_word(ifmw, print_type, as_syntax) 1926 int ifmw, print_type, as_syntax; 1927 { 1928 struct ifmedia_description *desc; 1929 int seen_option = 0; 1930 1931 if (print_type) 1932 printf("%s ", get_media_type_string(ifmw)); 1933 printf("%s%s", as_syntax ? "media " : "", 1934 get_media_subtype_string(ifmw)); 1935 1936 /* Find options. */ 1937 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1938 desc++) { 1939 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1940 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1941 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1942 if (seen_option == 0) 1943 printf(" %s", as_syntax ? "mediaopt " : ""); 1944 printf("%s%s", seen_option ? "," : "", 1945 desc->ifmt_string); 1946 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1947 } 1948 } 1949 if (IFM_INST(ifmw) != 0) 1950 printf(" instance %d", IFM_INST(ifmw)); 1951 } 1952 1953 int carrier() 1954 { 1955 struct ifmediareq ifmr; 1956 1957 (void) memset(&ifmr, 0, sizeof(ifmr)); 1958 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1959 1960 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1961 /* 1962 * Interface doesn't support SIOC{G,S}IFMEDIA; 1963 * assume ok. 1964 */ 1965 return 0; 1966 } 1967 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1968 /* 1969 * Interface doesn't report media-valid status. 1970 * assume ok. 1971 */ 1972 return 0; 1973 } 1974 /* otherwise, return ok for active, not-ok if not active. */ 1975 return !(ifmr.ifm_status & IFM_ACTIVE); 1976 } 1977 1978 1979 #define IFFBITS \ 1980 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1981 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1982 1983 #define IFCAPBITS \ 1984 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1985 1986 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1987 1988 const struct ifmedia_status_description ifm_status_descriptions[] = 1989 IFM_STATUS_DESCRIPTIONS; 1990 1991 /* 1992 * Print the status of the interface. If an address family was 1993 * specified, show it and it only; otherwise, show them all. 1994 */ 1995 void 1996 status(sdl) 1997 const struct sockaddr_dl *sdl; 1998 { 1999 struct afswtch *p = afp; 2000 struct ifmediareq ifmr; 2001 struct ifdatareq ifdr; 2002 int *media_list, i; 2003 char hbuf[NI_MAXHOST]; 2004 char fbuf[BUFSIZ]; 2005 2006 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 2007 printf("%s: flags=%s", name, &fbuf[2]); 2008 if (metric) 2009 printf(" metric %lu", metric); 2010 if (mtu) 2011 printf(" mtu %lu", mtu); 2012 putchar('\n'); 2013 2014 if (g_ifcr.ifcr_capabilities) { 2015 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2016 g_ifcr.ifcr_capabilities); 2017 printf("\tcapabilities=%s\n", &fbuf[2]); 2018 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2019 g_ifcr.ifcr_capenable); 2020 printf("\tenabled=%s\n", &fbuf[2]); 2021 } 2022 2023 ieee80211_status(); 2024 vlan_status(); 2025 tunnel_status(); 2026 2027 if (sdl != NULL && 2028 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2029 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2030 hbuf[0] != '\0') 2031 printf("\taddress: %s\n", hbuf); 2032 2033 (void) memset(&ifmr, 0, sizeof(ifmr)); 2034 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2035 2036 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2037 /* 2038 * Interface doesn't support SIOC{G,S}IFMEDIA. 2039 */ 2040 goto iface_stats; 2041 } 2042 2043 if (ifmr.ifm_count == 0) { 2044 warnx("%s: no media types?", name); 2045 goto iface_stats; 2046 } 2047 2048 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2049 if (media_list == NULL) 2050 err(EXIT_FAILURE, "malloc"); 2051 ifmr.ifm_ulist = media_list; 2052 2053 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 2054 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2055 2056 printf("\tmedia: "); 2057 print_media_word(ifmr.ifm_current, 1, 0); 2058 if (ifmr.ifm_active != ifmr.ifm_current) { 2059 putchar(' '); 2060 putchar('('); 2061 print_media_word(ifmr.ifm_active, 0, 0); 2062 putchar(')'); 2063 } 2064 putchar('\n'); 2065 2066 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2067 const struct ifmedia_status_description *ifms; 2068 int bitno, found = 0; 2069 2070 printf("\tstatus: "); 2071 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2072 for (ifms = ifm_status_descriptions; 2073 ifms->ifms_valid != 0; ifms++) { 2074 if (ifms->ifms_type != 2075 IFM_TYPE(ifmr.ifm_current) || 2076 ifms->ifms_valid != 2077 ifm_status_valid_list[bitno]) 2078 continue; 2079 printf("%s%s", found ? ", " : "", 2080 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2081 found = 1; 2082 2083 /* 2084 * For each valid indicator bit, there's 2085 * only one entry for each media type, so 2086 * terminate the inner loop now. 2087 */ 2088 break; 2089 } 2090 } 2091 2092 if (found == 0) 2093 printf("unknown"); 2094 putchar('\n'); 2095 } 2096 2097 if (mflag) { 2098 int type, printed_type; 2099 2100 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2101 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2102 if (IFM_TYPE(media_list[i]) == type) { 2103 if (printed_type == 0) { 2104 printf("\tsupported %s media:\n", 2105 get_media_type_string(type)); 2106 printed_type = 1; 2107 } 2108 printf("\t\t"); 2109 print_media_word(media_list[i], 0, 1); 2110 printf("\n"); 2111 } 2112 } 2113 } 2114 } 2115 2116 free(media_list); 2117 2118 iface_stats: 2119 if (!vflag && !zflag) 2120 goto proto_status; 2121 2122 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2123 2124 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, (caddr_t)&ifdr) == -1) { 2125 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2126 } else { 2127 struct if_data * const ifi = &ifdr.ifdr_data; 2128 #define PLURAL(n) ((n) == 1 ? "" : "s") 2129 printf("\tinput: %llu packet%s, %llu byte%s", 2130 (unsigned long long) ifi->ifi_ipackets, 2131 PLURAL(ifi->ifi_ipackets), 2132 (unsigned long long) ifi->ifi_ibytes, 2133 PLURAL(ifi->ifi_ibytes)); 2134 if (ifi->ifi_imcasts) 2135 printf(", %llu multicast%s", 2136 (unsigned long long) ifi->ifi_imcasts, 2137 PLURAL(ifi->ifi_imcasts)); 2138 if (ifi->ifi_ierrors) 2139 printf(", %llu error%s", 2140 (unsigned long long) ifi->ifi_ierrors, 2141 PLURAL(ifi->ifi_ierrors)); 2142 if (ifi->ifi_iqdrops) 2143 printf(", %llu queue drop%s", 2144 (unsigned long long) ifi->ifi_iqdrops, 2145 PLURAL(ifi->ifi_iqdrops)); 2146 if (ifi->ifi_noproto) 2147 printf(", %llu unknown protocol", 2148 (unsigned long long) ifi->ifi_noproto); 2149 printf("\n\toutput: %llu packet%s, %llu byte%s", 2150 (unsigned long long) ifi->ifi_opackets, 2151 PLURAL(ifi->ifi_opackets), 2152 (unsigned long long) ifi->ifi_obytes, 2153 PLURAL(ifi->ifi_obytes)); 2154 if (ifi->ifi_omcasts) 2155 printf(", %llu multicast%s", 2156 (unsigned long long) ifi->ifi_omcasts, 2157 PLURAL(ifi->ifi_omcasts)); 2158 if (ifi->ifi_oerrors) 2159 printf(", %llu error%s", 2160 (unsigned long long) ifi->ifi_oerrors, 2161 PLURAL(ifi->ifi_oerrors)); 2162 if (ifi->ifi_collisions) 2163 printf(", %llu collision%s", 2164 (unsigned long long) ifi->ifi_collisions, 2165 PLURAL(ifi->ifi_collisions)); 2166 printf("\n"); 2167 #undef PLURAL 2168 } 2169 2170 proto_status: 2171 if ((p = afp) != NULL) { 2172 (*p->af_status)(1); 2173 } else for (p = afs; p->af_name; p++) { 2174 ifr.ifr_addr.sa_family = p->af_af; 2175 (*p->af_status)(0); 2176 } 2177 } 2178 2179 void 2180 tunnel_status() 2181 { 2182 char psrcaddr[NI_MAXHOST]; 2183 char pdstaddr[NI_MAXHOST]; 2184 const char *ver = ""; 2185 #ifdef NI_WITHSCOPEID 2186 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2187 #else 2188 const int niflag = NI_NUMERICHOST; 2189 #endif 2190 struct if_laddrreq req; 2191 2192 psrcaddr[0] = pdstaddr[0] = '\0'; 2193 2194 memset(&req, 0, sizeof(req)); 2195 strncpy(req.iflr_name, name, IFNAMSIZ); 2196 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2197 return; 2198 #ifdef INET6 2199 if (req.addr.ss_family == AF_INET6) 2200 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2201 #endif 2202 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2203 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2204 #ifdef INET6 2205 if (req.addr.ss_family == AF_INET6) 2206 ver = "6"; 2207 #endif 2208 2209 #ifdef INET6 2210 if (req.dstaddr.ss_family == AF_INET6) 2211 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2212 #endif 2213 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2214 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2215 2216 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2217 } 2218 2219 void 2220 vlan_status() 2221 { 2222 struct vlanreq vlr; 2223 2224 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2225 !isdigit(ifr.ifr_name[4])) 2226 return; 2227 2228 memset(&vlr, 0, sizeof(vlr)); 2229 ifr.ifr_data = (caddr_t)&vlr; 2230 2231 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2232 return; 2233 2234 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2235 printf("\tvlan: %d parent: %s\n", 2236 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2237 "<none>" : vlr.vlr_parent); 2238 } 2239 2240 void 2241 in_alias(creq) 2242 struct ifreq *creq; 2243 { 2244 struct sockaddr_in *iasin; 2245 int alias; 2246 2247 if (lflag) 2248 return; 2249 2250 alias = 1; 2251 2252 /* Get the non-alias address for this interface. */ 2253 getsock(AF_INET); 2254 if (s < 0) { 2255 if (errno == EPROTONOSUPPORT) 2256 return; 2257 err(EXIT_FAILURE, "socket"); 2258 } 2259 (void) memset(&ifr, 0, sizeof(ifr)); 2260 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2261 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2262 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2263 return; 2264 } else 2265 warn("SIOCGIFADDR"); 2266 } 2267 /* If creq and ifr are the same address, this is not an alias. */ 2268 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2269 sizeof(creq->ifr_addr)) == 0) 2270 alias = 0; 2271 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2272 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2273 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2274 sizeof(in_addreq.ifra_addr)); 2275 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2276 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2277 return; 2278 } else 2279 warn("SIOCGIFALIAS"); 2280 } 2281 2282 iasin = &in_addreq.ifra_addr; 2283 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2284 2285 if (flags & IFF_POINTOPOINT) { 2286 iasin = &in_addreq.ifra_dstaddr; 2287 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2288 } 2289 2290 iasin = &in_addreq.ifra_mask; 2291 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2292 2293 if (flags & IFF_BROADCAST) { 2294 iasin = &in_addreq.ifra_broadaddr; 2295 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2296 } 2297 printf("\n"); 2298 } 2299 2300 void 2301 in_status(force) 2302 int force; 2303 { 2304 struct ifaddrs *ifap, *ifa; 2305 struct ifreq isifr; 2306 2307 if (getifaddrs(&ifap) != 0) 2308 err(EXIT_FAILURE, "getifaddrs"); 2309 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2310 if (strcmp(name, ifa->ifa_name) != 0) 2311 continue; 2312 if (ifa->ifa_addr->sa_family != AF_INET) 2313 continue; 2314 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2315 continue; 2316 2317 memset(&isifr, 0, sizeof(isifr)); 2318 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2319 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2320 in_alias(&isifr); 2321 } 2322 freeifaddrs(ifap); 2323 } 2324 2325 void 2326 setifprefixlen(addr, d) 2327 const char *addr; 2328 int d; 2329 { 2330 if (*afp->af_getprefix) 2331 (*afp->af_getprefix)(addr, MASK); 2332 explicit_prefix = 1; 2333 } 2334 2335 #ifdef INET6 2336 void 2337 in6_fillscopeid(sin6) 2338 struct sockaddr_in6 *sin6; 2339 { 2340 #if defined(__KAME__) && defined(KAME_SCOPEID) 2341 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2342 sin6->sin6_scope_id = 2343 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2344 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2345 } 2346 #endif 2347 } 2348 2349 /* XXX not really an alias */ 2350 void 2351 in6_alias(creq) 2352 struct in6_ifreq *creq; 2353 { 2354 struct sockaddr_in6 *sin6; 2355 char hbuf[NI_MAXHOST]; 2356 u_int32_t scopeid; 2357 #ifdef NI_WITHSCOPEID 2358 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2359 #else 2360 const int niflag = NI_NUMERICHOST; 2361 #endif 2362 2363 /* Get the non-alias address for this interface. */ 2364 getsock(AF_INET6); 2365 if (s < 0) { 2366 if (errno == EPROTONOSUPPORT) 2367 return; 2368 err(EXIT_FAILURE, "socket"); 2369 } 2370 2371 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2372 2373 in6_fillscopeid(sin6); 2374 scopeid = sin6->sin6_scope_id; 2375 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2376 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2377 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2378 printf("\tinet6 %s", hbuf); 2379 2380 if (flags & IFF_POINTOPOINT) { 2381 (void) memset(&ifr6, 0, sizeof(ifr6)); 2382 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2383 ifr6.ifr_addr = creq->ifr_addr; 2384 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2385 if (errno != EADDRNOTAVAIL) 2386 warn("SIOCGIFDSTADDR_IN6"); 2387 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2388 ifr6.ifr_addr.sin6_family = AF_INET6; 2389 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2390 } 2391 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2392 in6_fillscopeid(sin6); 2393 hbuf[0] = '\0'; 2394 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2395 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2396 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2397 printf(" -> %s", hbuf); 2398 } 2399 2400 (void) memset(&ifr6, 0, sizeof(ifr6)); 2401 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2402 ifr6.ifr_addr = creq->ifr_addr; 2403 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2404 if (errno != EADDRNOTAVAIL) 2405 warn("SIOCGIFNETMASK_IN6"); 2406 } else { 2407 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2408 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2409 sizeof(struct in6_addr))); 2410 } 2411 2412 (void) memset(&ifr6, 0, sizeof(ifr6)); 2413 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2414 ifr6.ifr_addr = creq->ifr_addr; 2415 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2416 if (errno != EADDRNOTAVAIL) 2417 warn("SIOCGIFAFLAG_IN6"); 2418 } else { 2419 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2420 printf(" anycast"); 2421 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2422 printf(" tentative"); 2423 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2424 printf(" duplicated"); 2425 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2426 printf(" detached"); 2427 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2428 printf(" deprecated"); 2429 } 2430 2431 if (scopeid) 2432 printf(" scopeid 0x%x", scopeid); 2433 2434 if (Lflag) { 2435 struct in6_addrlifetime *lifetime; 2436 (void) memset(&ifr6, 0, sizeof(ifr6)); 2437 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2438 ifr6.ifr_addr = creq->ifr_addr; 2439 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2440 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2441 if (errno != EADDRNOTAVAIL) 2442 warn("SIOCGIFALIFETIME_IN6"); 2443 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2444 time_t t = time(NULL); 2445 printf(" pltime "); 2446 if (lifetime->ia6t_preferred) { 2447 printf("%s", lifetime->ia6t_preferred < t 2448 ? "0" 2449 : sec2str(lifetime->ia6t_preferred - t)); 2450 } else 2451 printf("infty"); 2452 2453 printf(" vltime "); 2454 if (lifetime->ia6t_expire) { 2455 printf("%s", lifetime->ia6t_expire < t 2456 ? "0" 2457 : sec2str(lifetime->ia6t_expire - t)); 2458 } else 2459 printf("infty"); 2460 } 2461 } 2462 2463 printf("\n"); 2464 } 2465 2466 void 2467 in6_status(force) 2468 int force; 2469 { 2470 struct ifaddrs *ifap, *ifa; 2471 struct in6_ifreq isifr; 2472 2473 if (getifaddrs(&ifap) != 0) 2474 err(EXIT_FAILURE, "getifaddrs"); 2475 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2476 if (strcmp(name, ifa->ifa_name) != 0) 2477 continue; 2478 if (ifa->ifa_addr->sa_family != AF_INET6) 2479 continue; 2480 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2481 continue; 2482 2483 memset(&isifr, 0, sizeof(isifr)); 2484 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2485 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2486 in6_alias(&isifr); 2487 } 2488 freeifaddrs(ifap); 2489 } 2490 #endif /*INET6*/ 2491 2492 #ifndef INET_ONLY 2493 2494 void 2495 at_status(force) 2496 int force; 2497 { 2498 struct sockaddr_at *sat, null_sat; 2499 struct netrange *nr; 2500 2501 getsock(AF_APPLETALK); 2502 if (s < 0) { 2503 if (errno == EPROTONOSUPPORT) 2504 return; 2505 err(EXIT_FAILURE, "socket"); 2506 } 2507 (void) memset(&ifr, 0, sizeof(ifr)); 2508 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2509 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2510 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2511 if (!force) 2512 return; 2513 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2514 } else 2515 warn("SIOCGIFADDR"); 2516 } 2517 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2518 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2519 2520 (void) memset(&null_sat, 0, sizeof(null_sat)); 2521 2522 nr = (struct netrange *) &sat->sat_zero; 2523 printf("\tatalk %d.%d range %d-%d phase %d", 2524 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2525 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2526 if (flags & IFF_POINTOPOINT) { 2527 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2528 if (errno == EADDRNOTAVAIL) 2529 (void) memset(&ifr.ifr_addr, 0, 2530 sizeof(ifr.ifr_addr)); 2531 else 2532 warn("SIOCGIFDSTADDR"); 2533 } 2534 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2535 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2536 if (!sat) 2537 sat = &null_sat; 2538 printf("--> %d.%d", 2539 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2540 } 2541 if (flags & IFF_BROADCAST) { 2542 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2543 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2544 if (sat) 2545 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2546 sat->sat_addr.s_node); 2547 } 2548 putchar('\n'); 2549 } 2550 2551 void 2552 xns_status(force) 2553 int force; 2554 { 2555 struct sockaddr_ns *sns; 2556 2557 getsock(AF_NS); 2558 if (s < 0) { 2559 if (errno == EPROTONOSUPPORT) 2560 return; 2561 err(EXIT_FAILURE, "socket"); 2562 } 2563 (void) memset(&ifr, 0, sizeof(ifr)); 2564 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2565 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2566 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2567 if (!force) 2568 return; 2569 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2570 } else 2571 warn("SIOCGIFADDR"); 2572 } 2573 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2574 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2575 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2576 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2577 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2578 if (errno == EADDRNOTAVAIL) 2579 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2580 else 2581 warn("SIOCGIFDSTADDR"); 2582 } 2583 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2584 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2585 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2586 } 2587 putchar('\n'); 2588 } 2589 2590 void 2591 iso_status(force) 2592 int force; 2593 { 2594 struct sockaddr_iso *siso; 2595 struct iso_ifreq isoifr; 2596 2597 getsock(AF_ISO); 2598 if (s < 0) { 2599 if (errno == EPROTONOSUPPORT) 2600 return; 2601 err(EXIT_FAILURE, "socket"); 2602 } 2603 (void) memset(&isoifr, 0, sizeof(isoifr)); 2604 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2605 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2606 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2607 if (!force) 2608 return; 2609 (void) memset(&isoifr.ifr_Addr, 0, 2610 sizeof(isoifr.ifr_Addr)); 2611 } else 2612 warn("SIOCGIFADDR_ISO"); 2613 } 2614 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2615 siso = &isoifr.ifr_Addr; 2616 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2617 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2618 if (errno == EADDRNOTAVAIL) 2619 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2620 else 2621 warn("SIOCGIFNETMASK_ISO"); 2622 } else { 2623 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2624 siso->siso_addr.isoa_len = siso->siso_len 2625 - offsetof(struct sockaddr_iso, siso_addr); 2626 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2627 } 2628 if (flags & IFF_POINTOPOINT) { 2629 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2630 if (errno == EADDRNOTAVAIL) 2631 memset(&isoifr.ifr_Addr, 0, 2632 sizeof(isoifr.ifr_Addr)); 2633 else 2634 warn("SIOCGIFDSTADDR_ISO"); 2635 } 2636 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2637 siso = &isoifr.ifr_Addr; 2638 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2639 } 2640 putchar('\n'); 2641 } 2642 2643 #endif /* INET_ONLY */ 2644 2645 #define SIN(x) ((struct sockaddr_in *) &(x)) 2646 struct sockaddr_in *sintab[] = { 2647 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2648 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2649 2650 void 2651 in_getaddr(str, which) 2652 const char *str; 2653 int which; 2654 { 2655 struct sockaddr_in *gasin = sintab[which]; 2656 struct hostent *hp; 2657 struct netent *np; 2658 2659 gasin->sin_len = sizeof(*gasin); 2660 if (which != MASK) 2661 gasin->sin_family = AF_INET; 2662 2663 if (which == ADDR) { 2664 char *p = NULL; 2665 if ((p = strrchr(str, '/')) != NULL) { 2666 *p = '\0'; 2667 in_getprefix(p + 1, MASK); 2668 } 2669 } 2670 2671 if (inet_aton(str, &gasin->sin_addr) == 0) { 2672 if ((hp = gethostbyname(str)) != NULL) 2673 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2674 else if ((np = getnetbyname(str)) != NULL) 2675 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2676 else 2677 errx(EXIT_FAILURE, "%s: bad value", str); 2678 } 2679 } 2680 2681 void 2682 in_getprefix(plen, which) 2683 const char *plen; 2684 int which; 2685 { 2686 register struct sockaddr_in *igsin = sintab[which]; 2687 register u_char *cp; 2688 int len = strtol(plen, (char **)NULL, 10); 2689 2690 if ((len < 0) || (len > 32)) 2691 errx(EXIT_FAILURE, "%s: bad value", plen); 2692 igsin->sin_len = sizeof(*igsin); 2693 if (which != MASK) 2694 igsin->sin_family = AF_INET; 2695 if ((len == 0) || (len == 32)) { 2696 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2697 return; 2698 } 2699 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2700 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2701 *cp++ = 0xff; 2702 if (len) 2703 *cp = 0xff << (8 - len); 2704 } 2705 2706 #ifdef INET6 2707 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2708 struct sockaddr_in6 *sin6tab[] = { 2709 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2710 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2711 2712 void 2713 in6_getaddr(str, which) 2714 const char *str; 2715 int which; 2716 { 2717 #if defined(__KAME__) && defined(KAME_SCOPEID) 2718 struct sockaddr_in6 *sin6 = sin6tab[which]; 2719 struct addrinfo hints, *res; 2720 int error; 2721 char *slash = NULL; 2722 2723 if (which == ADDR) { 2724 if ((slash = strrchr(str, '/')) != NULL) 2725 *slash = '\0'; 2726 } 2727 2728 memset(&hints, 0, sizeof(hints)); 2729 hints.ai_family = AF_INET6; 2730 hints.ai_socktype = SOCK_DGRAM; 2731 #if 0 /* in_getaddr() allows FQDN */ 2732 hints.ai_flags = AI_NUMERICHOST; 2733 #endif 2734 error = getaddrinfo(str, "0", &hints, &res); 2735 if (error && slash) { 2736 /* try again treating the '/' as part of the name */ 2737 *slash = '/'; 2738 slash = NULL; 2739 error = getaddrinfo(str, "0", &hints, &res); 2740 } 2741 if (error) 2742 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2743 if (res->ai_next) 2744 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2745 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2746 errx(EXIT_FAILURE, "%s: bad value", str); 2747 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2748 freeaddrinfo(res); 2749 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2750 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2751 htons(sin6->sin6_scope_id); 2752 sin6->sin6_scope_id = 0; 2753 } 2754 if (slash) { 2755 in6_getprefix(slash + 1, MASK); 2756 explicit_prefix = 1; 2757 } 2758 #else 2759 struct sockaddr_in6 *gasin = sin6tab[which]; 2760 2761 gasin->sin6_len = sizeof(*gasin); 2762 if (which != MASK) 2763 gasin->sin6_family = AF_INET6; 2764 2765 if (which == ADDR) { 2766 char *p = NULL; 2767 if((p = strrchr(str, '/')) != NULL) { 2768 *p = '\0'; 2769 in6_getprefix(p + 1, MASK); 2770 explicit_prefix = 1; 2771 } 2772 } 2773 2774 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2775 errx(EXIT_FAILURE, "%s: bad value", str); 2776 #endif 2777 } 2778 2779 void 2780 in6_getprefix(plen, which) 2781 const char *plen; 2782 int which; 2783 { 2784 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2785 register u_char *cp; 2786 int len = strtol(plen, (char **)NULL, 10); 2787 2788 if ((len < 0) || (len > 128)) 2789 errx(EXIT_FAILURE, "%s: bad value", plen); 2790 gpsin->sin6_len = sizeof(*gpsin); 2791 if (which != MASK) 2792 gpsin->sin6_family = AF_INET6; 2793 if ((len == 0) || (len == 128)) { 2794 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2795 return; 2796 } 2797 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2798 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2799 *cp++ = 0xff; 2800 if (len) 2801 *cp = 0xff << (8 - len); 2802 } 2803 2804 int 2805 prefix(val, size) 2806 void *val; 2807 int size; 2808 { 2809 register u_char *pname = (u_char *)val; 2810 register int byte, bit, plen = 0; 2811 2812 for (byte = 0; byte < size; byte++, plen += 8) 2813 if (pname[byte] != 0xff) 2814 break; 2815 if (byte == size) 2816 return (plen); 2817 for (bit = 7; bit != 0; bit--, plen++) 2818 if (!(pname[byte] & (1 << bit))) 2819 break; 2820 for (; bit != 0; bit--) 2821 if (pname[byte] & (1 << bit)) 2822 return(0); 2823 byte++; 2824 for (; byte < size; byte++) 2825 if (pname[byte]) 2826 return(0); 2827 return (plen); 2828 } 2829 #endif /*INET6*/ 2830 2831 #ifndef INET_ONLY 2832 void 2833 at_getaddr(addr, which) 2834 const char *addr; 2835 int which; 2836 { 2837 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2838 u_int net, node; 2839 2840 sat->sat_family = AF_APPLETALK; 2841 sat->sat_len = sizeof(*sat); 2842 if (which == MASK) 2843 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2844 if (sscanf(addr, "%u.%u", &net, &node) != 2 2845 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2846 errx(EXIT_FAILURE, "%s: illegal address", addr); 2847 sat->sat_addr.s_net = htons(net); 2848 sat->sat_addr.s_node = node; 2849 } 2850 2851 void 2852 setatrange(range, d) 2853 const char *range; 2854 int d; 2855 { 2856 u_short first = 123, last = 123; 2857 2858 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2859 || first == 0 /* || first > 0xffff */ 2860 || last == 0 /* || last > 0xffff */ || first > last) 2861 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2862 first, last); 2863 at_nr.nr_firstnet = htons(first); 2864 at_nr.nr_lastnet = htons(last); 2865 } 2866 2867 void 2868 setatphase(phase, d) 2869 const char *phase; 2870 int d; 2871 { 2872 if (!strcmp(phase, "1")) 2873 at_nr.nr_phase = 1; 2874 else if (!strcmp(phase, "2")) 2875 at_nr.nr_phase = 2; 2876 else 2877 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2878 } 2879 2880 void 2881 checkatrange(sat) 2882 struct sockaddr_at *sat; 2883 { 2884 if (at_nr.nr_phase == 0) 2885 at_nr.nr_phase = 2; /* Default phase 2 */ 2886 if (at_nr.nr_firstnet == 0) 2887 at_nr.nr_firstnet = /* Default range of one */ 2888 at_nr.nr_lastnet = sat->sat_addr.s_net; 2889 printf("\tatalk %d.%d range %d-%d phase %d\n", 2890 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2891 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2892 if ((u_short) ntohs(at_nr.nr_firstnet) > 2893 (u_short) ntohs(sat->sat_addr.s_net) 2894 || (u_short) ntohs(at_nr.nr_lastnet) < 2895 (u_short) ntohs(sat->sat_addr.s_net)) 2896 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2897 *((struct netrange *) &sat->sat_zero) = at_nr; 2898 } 2899 2900 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2901 struct sockaddr_ns *snstab[] = { 2902 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2903 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2904 2905 void 2906 xns_getaddr(addr, which) 2907 const char *addr; 2908 int which; 2909 { 2910 struct sockaddr_ns *sns = snstab[which]; 2911 2912 sns->sns_family = AF_NS; 2913 sns->sns_len = sizeof(*sns); 2914 sns->sns_addr = ns_addr(addr); 2915 if (which == MASK) 2916 puts("Attempt to set XNS netmask will be ineffectual"); 2917 } 2918 2919 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2920 struct sockaddr_iso *sisotab[] = { 2921 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2922 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2923 2924 void 2925 iso_getaddr(addr, which) 2926 const char *addr; 2927 int which; 2928 { 2929 struct sockaddr_iso *siso = sisotab[which]; 2930 siso->siso_addr = *iso_addr(addr); 2931 2932 if (which == MASK) { 2933 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2934 siso->siso_nlen = 0; 2935 } else { 2936 siso->siso_len = sizeof(*siso); 2937 siso->siso_family = AF_ISO; 2938 } 2939 } 2940 2941 void 2942 setsnpaoffset(val, d) 2943 const char *val; 2944 int d; 2945 { 2946 iso_addreq.ifra_snpaoffset = atoi(val); 2947 } 2948 2949 void 2950 setnsellength(val, d) 2951 const char *val; 2952 int d; 2953 { 2954 nsellength = atoi(val); 2955 if (nsellength < 0) 2956 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2957 if (afp == 0 || afp->af_af != AF_ISO) 2958 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2959 } 2960 2961 void 2962 fixnsel(siso) 2963 struct sockaddr_iso *siso; 2964 { 2965 if (siso->siso_family == 0) 2966 return; 2967 siso->siso_tlen = nsellength; 2968 } 2969 2970 void 2971 adjust_nsellength() 2972 { 2973 fixnsel(sisotab[RIDADDR]); 2974 fixnsel(sisotab[ADDR]); 2975 fixnsel(sisotab[DSTADDR]); 2976 } 2977 2978 #endif /* INET_ONLY */ 2979 2980 void 2981 usage() 2982 { 2983 const char *progname = getprogname(); 2984 2985 fprintf(stderr, 2986 "usage: %s [-m] [-v] [-z] " 2987 #ifdef INET6 2988 "[-L] " 2989 #endif 2990 "interface\n" 2991 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2992 "\t\t[ alias | -alias ] ]\n" 2993 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2994 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2995 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2996 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2997 "\t[ arp | -arp ]\n" 2998 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2999 "[ instance minst ]\n" 3000 "\t[ vlan n vlanif i ]\n" 3001 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 3002 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 3003 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 3004 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 3005 " %s -l [-b] [-d] [-u] [-s]\n" 3006 " %s -C\n" 3007 " %s interface create\n" 3008 " %s interface destroy\n", 3009 progname, progname, progname, progname, progname, progname); 3010 exit(1); 3011 } 3012 3013 #ifdef INET6 3014 char * 3015 sec2str(total) 3016 time_t total; 3017 { 3018 static char result[256]; 3019 int days, hours, mins, secs; 3020 int first = 1; 3021 char *p = result; 3022 char *end = &result[sizeof(result)]; 3023 int n; 3024 3025 if (0) { /*XXX*/ 3026 days = total / 3600 / 24; 3027 hours = (total / 3600) % 24; 3028 mins = (total / 60) % 60; 3029 secs = total % 60; 3030 3031 if (days) { 3032 first = 0; 3033 n = snprintf(p, end - p, "%dd", days); 3034 if (n < 0 || n >= end - p) 3035 return(result); 3036 p += n; 3037 } 3038 if (!first || hours) { 3039 first = 0; 3040 n = snprintf(p, end - p, "%dh", hours); 3041 if (n < 0 || n >= end - p) 3042 return(result); 3043 p += n; 3044 } 3045 if (!first || mins) { 3046 first = 0; 3047 n = snprintf(p, end - p, "%dm", mins); 3048 if (n < 0 || n >= end - p) 3049 return(result); 3050 p += n; 3051 } 3052 snprintf(p, end - p, "%ds", secs); 3053 } else 3054 snprintf(p, end - p, "%lu", (u_long)total); 3055 3056 return(result); 3057 } 3058 #endif 3059
Indexes created Sun Sep 28 12:09:53 GMT 2025