ifconfig.c revision 1.139
1 /* $NetBSD: ifconfig.c,v 1.139 2003/10/13 08:27:35 dyoung 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 1.139 2003/10/13 08:27:35 dyoung 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 (void) strlcpy(name, argv[0], sizeof(name)); 532 argc--; argv++; 533 534 /* 535 * NOTE: We must special-case the `create' command right 536 * here as we would otherwise fail in getinfo(). 537 */ 538 if (argc > 0 && strcmp(argv[0], "create") == 0) { 539 clone_create(argv[0], 0); 540 argc--, argv++; 541 if (argc == 0) 542 exit(0); 543 } 544 545 /* Check for address family. */ 546 afp = NULL; 547 if (argc > 0) { 548 afp = lookup_af(argv[0]); 549 if (afp != NULL) { 550 argv++; 551 argc--; 552 } 553 } 554 555 /* Initialize af, just for use in getinfo(). */ 556 if (afp == NULL) 557 af = afs->af_af; 558 else 559 af = afp->af_af; 560 561 /* Get information about the interface. */ 562 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 563 if (getinfo(&ifr) < 0) 564 exit(1); 565 566 if (sflag) { 567 if (argc != 0) 568 usage(); 569 else 570 exit(carrier()); 571 } 572 573 /* No more arguments means interface status. */ 574 if (argc == 0) { 575 printall(name); 576 exit(0); 577 } 578 579 /* The following operations assume inet family as the default. */ 580 if (afp == NULL) 581 afp = afs; 582 af = ifr.ifr_addr.sa_family = afp->af_af; 583 584 #ifdef INET6 585 /* initialization */ 586 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 587 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 588 #endif 589 590 /* Process commands. */ 591 while (argc > 0) { 592 const struct cmd *p; 593 594 for (p = cmds; p->c_name; p++) 595 if (strcmp(argv[0], p->c_name) == 0) 596 break; 597 if (p->c_name == 0 && setaddr) { 598 if ((flags & IFF_POINTOPOINT) == 0) { 599 errx(EXIT_FAILURE, 600 "can't set destination address %s", 601 "on non-point-to-point link"); 602 } 603 p++; /* got src, do dst */ 604 } 605 if (p->c_func != NULL || p->c_func2 != NULL) { 606 if (p->c_parameter == NEXTARG) { 607 if (argc < 2) 608 errx(EXIT_FAILURE, 609 "'%s' requires argument", 610 p->c_name); 611 (*p->c_func)(argv[1], 0); 612 argc--, argv++; 613 } else if (p->c_parameter == NEXTARG2) { 614 if (argc < 3) 615 errx(EXIT_FAILURE, 616 "'%s' requires 2 arguments", 617 p->c_name); 618 (*p->c_func2)(argv[1], argv[2]); 619 argc -= 2, argv += 2; 620 } else 621 (*p->c_func)(argv[0], p->c_parameter); 622 actions |= p->c_action; 623 } 624 argc--, argv++; 625 } 626 627 /* 628 * See if multiple alias, -alias, or delete commands were 629 * specified. More than one constitutes an invalid command line 630 */ 631 632 if (conflicting > 1) 633 err(EXIT_FAILURE, 634 "Only one use of alias, -alias or delete is valid."); 635 636 /* Process any media commands that may have been issued. */ 637 process_media_commands(); 638 639 if (af == AF_INET6 && explicit_prefix == 0) { 640 /* 641 * Aggregatable address architecture defines all prefixes 642 * are 64. So, it is convenient to set prefixlen to 64 if 643 * it is not specified. 644 */ 645 setifprefixlen("64", 0); 646 /* in6_getprefix("64", MASK) if MASK is available here... */ 647 } 648 649 #ifndef INET_ONLY 650 if (af == AF_ISO) 651 adjust_nsellength(); 652 653 if (af == AF_APPLETALK) 654 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 655 656 if (setipdst && af==AF_NS) { 657 struct nsip_req rq; 658 int size = sizeof(rq); 659 660 rq.rq_ns = addreq.ifra_addr; 661 rq.rq_ip = addreq.ifra_dstaddr; 662 663 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 664 warn("encapsulation routing"); 665 } 666 667 #endif /* INET_ONLY */ 668 669 if (clearaddr) { 670 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 671 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 672 err(EXIT_FAILURE, "SIOCDIFADDR"); 673 } 674 if (newaddr > 0) { 675 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 676 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 677 warn("SIOCAIFADDR"); 678 } 679 680 if (g_ifcr_updated) { 681 (void) strncpy(g_ifcr.ifcr_name, name, 682 sizeof(g_ifcr.ifcr_name)); 683 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 684 err(EXIT_FAILURE, "SIOCSIFCAP"); 685 } 686 687 if (reset_if_flags) { 688 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 689 ifreq.ifr_flags = flags; 690 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 691 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 692 } 693 exit(0); 694 } 695 696 struct afswtch * 697 lookup_af(cp) 698 const char *cp; 699 { 700 struct afswtch *a; 701 702 for (a = afs; a->af_name != NULL; a++) 703 if (strcmp(a->af_name, cp) == 0) 704 return (a); 705 return (NULL); 706 } 707 708 void 709 getsock(naf) 710 int naf; 711 { 712 static int oaf = -1; 713 714 if (oaf == naf) 715 return; 716 if (oaf != -1) 717 close(s); 718 s = socket(naf, SOCK_DGRAM, 0); 719 if (s < 0) 720 oaf = -1; 721 else 722 oaf = naf; 723 } 724 725 int 726 getinfo(giifr) 727 struct ifreq *giifr; 728 { 729 730 getsock(af); 731 if (s < 0) 732 err(EXIT_FAILURE, "socket"); 733 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 734 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 735 return (-1); 736 } 737 flags = giifr->ifr_flags; 738 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 739 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 740 metric = 0; 741 } else 742 metric = giifr->ifr_metric; 743 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 744 mtu = 0; 745 else 746 mtu = giifr->ifr_mtu; 747 748 memset(&g_ifcr, 0, sizeof(g_ifcr)); 749 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 750 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 751 752 return (0); 753 } 754 755 void 756 printall(ifname) 757 const char *ifname; 758 { 759 struct ifaddrs *ifap, *ifa; 760 struct ifreq paifr; 761 const struct sockaddr_dl *sdl = NULL; 762 int idx; 763 char *p; 764 765 if (getifaddrs(&ifap) != 0) 766 err(EXIT_FAILURE, "getifaddrs"); 767 p = NULL; 768 idx = 0; 769 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 770 memset(&paifr, 0, sizeof(paifr)); 771 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 772 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 773 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 774 ifa->ifa_addr->sa_len); 775 } 776 777 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 778 continue; 779 if (ifa->ifa_addr->sa_family == AF_LINK) 780 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 781 if (p && strcmp(p, ifa->ifa_name) == 0) 782 continue; 783 (void) strlcpy(name, ifa->ifa_name, sizeof(name)); 784 p = ifa->ifa_name; 785 786 if (getinfo(&paifr) < 0) 787 continue; 788 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 789 continue; 790 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 791 continue; 792 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 793 continue; 794 795 if (sflag && carrier()) 796 continue; 797 idx++; 798 /* 799 * Are we just listing the interfaces? 800 */ 801 if (lflag) { 802 if (idx > 1) 803 putchar(' '); 804 fputs(name, stdout); 805 continue; 806 } 807 808 status(sdl); 809 sdl = NULL; 810 } 811 if (lflag) 812 putchar('\n'); 813 freeifaddrs(ifap); 814 } 815 816 void 817 list_cloners(void) 818 { 819 struct if_clonereq ifcr; 820 char *cp, *buf; 821 int idx; 822 823 memset(&ifcr, 0, sizeof(ifcr)); 824 825 getsock(AF_INET); 826 827 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 828 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 829 830 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 831 if (buf == NULL) 832 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 833 834 ifcr.ifcr_count = ifcr.ifcr_total; 835 ifcr.ifcr_buffer = buf; 836 837 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 838 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 839 840 /* 841 * In case some disappeared in the mean time, clamp it down. 842 */ 843 if (ifcr.ifcr_count > ifcr.ifcr_total) 844 ifcr.ifcr_count = ifcr.ifcr_total; 845 846 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 847 if (idx > 0) 848 putchar(' '); 849 printf("%s", cp); 850 } 851 852 putchar('\n'); 853 free(buf); 854 return; 855 } 856 857 /*ARGSUSED*/ 858 void 859 clone_create(addr, param) 860 const char *addr; 861 int param; 862 { 863 864 /* We're called early... */ 865 getsock(AF_INET); 866 867 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 868 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 869 err(EXIT_FAILURE, "SIOCIFCREATE"); 870 } 871 872 /*ARGSUSED*/ 873 void 874 clone_destroy(addr, param) 875 const char *addr; 876 int param; 877 { 878 879 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 880 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 881 err(EXIT_FAILURE, "SIOCIFDESTROY"); 882 } 883 884 #define RIDADDR 0 885 #define ADDR 1 886 #define MASK 2 887 #define DSTADDR 3 888 889 /*ARGSUSED*/ 890 void 891 setifaddr(addr, param) 892 const char *addr; 893 int param; 894 { 895 struct ifreq *siifr; /* XXX */ 896 897 /* 898 * Delay the ioctl to set the interface addr until flags are all set. 899 * The address interpretation may depend on the flags, 900 * and the flags may change when the address is set. 901 */ 902 setaddr++; 903 if (newaddr == -1) 904 newaddr = 1; 905 if (doalias == 0 && afp->af_gifaddr != 0) { 906 siifr = (struct ifreq *)afp->af_ridreq; 907 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 908 siifr->ifr_addr.sa_family = afp->af_af; 909 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 910 clearaddr = 1; 911 else if (errno == EADDRNOTAVAIL) 912 /* No address was assigned yet. */ 913 ; 914 else 915 err(EXIT_FAILURE, "SIOCGIFADDR"); 916 } 917 918 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 919 } 920 921 void 922 settunnel(src, dst) 923 const char *src, *dst; 924 { 925 struct addrinfo hints, *srcres, *dstres; 926 int ecode; 927 struct if_laddrreq req; 928 929 memset(&hints, 0, sizeof(hints)); 930 hints.ai_family = afp->af_af; 931 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 932 933 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 934 errx(EXIT_FAILURE, "error in parsing address string: %s", 935 gai_strerror(ecode)); 936 937 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 938 errx(EXIT_FAILURE, "error in parsing address string: %s", 939 gai_strerror(ecode)); 940 941 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 942 errx(EXIT_FAILURE, 943 "source and destination address families do not match"); 944 945 if (srcres->ai_addrlen > sizeof(req.addr) || 946 dstres->ai_addrlen > sizeof(req.dstaddr)) 947 errx(EXIT_FAILURE, "invalid sockaddr"); 948 949 memset(&req, 0, sizeof(req)); 950 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 951 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 952 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 953 954 #ifdef INET6 955 if (req.addr.ss_family == AF_INET6) { 956 struct sockaddr_in6 *s6, *d; 957 958 s6 = (struct sockaddr_in6 *)&req.addr; 959 d = (struct sockaddr_in6 *)&req.dstaddr; 960 if (s6->sin6_scope_id != d->sin6_scope_id) { 961 errx(EXIT_FAILURE, "scope mismatch"); 962 /* NOTREACHED */ 963 } 964 #ifdef __KAME__ 965 /* embed scopeid */ 966 if (s6->sin6_scope_id && 967 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 968 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 969 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 970 htons(s6->sin6_scope_id); 971 } 972 if (d->sin6_scope_id && 973 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 974 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 975 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 976 htons(d->sin6_scope_id); 977 } 978 #endif 979 } 980 #endif 981 982 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 983 warn("SIOCSLIFPHYADDR"); 984 985 freeaddrinfo(srcres); 986 freeaddrinfo(dstres); 987 } 988 989 /* ARGSUSED */ 990 void 991 deletetunnel(vname, param) 992 const char *vname; 993 int param; 994 { 995 996 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 997 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 998 } 999 1000 void setvlan(val, d) 1001 const char *val; 1002 int d; 1003 { 1004 struct vlanreq vlr; 1005 1006 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1007 !isdigit(ifr.ifr_name[4])) 1008 errx(EXIT_FAILURE, 1009 "``vlan'' valid only with vlan(4) interfaces"); 1010 1011 vlan_tag = atoi(val); 1012 1013 memset(&vlr, 0, sizeof(vlr)); 1014 ifr.ifr_data = (caddr_t)&vlr; 1015 1016 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1017 err(EXIT_FAILURE, "SIOCGETVLAN"); 1018 1019 vlr.vlr_tag = vlan_tag; 1020 1021 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1022 err(EXIT_FAILURE, "SIOCSETVLAN"); 1023 } 1024 1025 void setvlanif(val, d) 1026 const char *val; 1027 int d; 1028 { 1029 struct vlanreq vlr; 1030 1031 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1032 !isdigit(ifr.ifr_name[4])) 1033 errx(EXIT_FAILURE, 1034 "``vlanif'' valid only with vlan(4) interfaces"); 1035 1036 if (vlan_tag == (u_int)-1) 1037 errx(EXIT_FAILURE, 1038 "must specify both ``vlan'' and ``vlanif''"); 1039 1040 memset(&vlr, 0, sizeof(vlr)); 1041 ifr.ifr_data = (caddr_t)&vlr; 1042 1043 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1044 err(EXIT_FAILURE, "SIOCGETVLAN"); 1045 1046 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1047 vlr.vlr_tag = vlan_tag; 1048 1049 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1050 err(EXIT_FAILURE, "SIOCSETVLAN"); 1051 } 1052 1053 void unsetvlanif(val, d) 1054 const char *val; 1055 int d; 1056 { 1057 struct vlanreq vlr; 1058 1059 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1060 !isdigit(ifr.ifr_name[4])) 1061 errx(EXIT_FAILURE, 1062 "``vlanif'' valid only with vlan(4) interfaces"); 1063 1064 memset(&vlr, 0, sizeof(vlr)); 1065 ifr.ifr_data = (caddr_t)&vlr; 1066 1067 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1068 err(EXIT_FAILURE, "SIOCGETVLAN"); 1069 1070 vlr.vlr_parent[0] = '\0'; 1071 vlr.vlr_tag = 0; 1072 1073 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1074 err(EXIT_FAILURE, "SIOCSETVLAN"); 1075 } 1076 1077 void 1078 setifnetmask(addr, d) 1079 const char *addr; 1080 int d; 1081 { 1082 (*afp->af_getaddr)(addr, MASK); 1083 } 1084 1085 void 1086 setifbroadaddr(addr, d) 1087 const char *addr; 1088 int d; 1089 { 1090 (*afp->af_getaddr)(addr, DSTADDR); 1091 } 1092 1093 void 1094 setifipdst(addr, d) 1095 const char *addr; 1096 int d; 1097 { 1098 in_getaddr(addr, DSTADDR); 1099 setipdst++; 1100 clearaddr = 0; 1101 newaddr = 0; 1102 } 1103 1104 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1105 /*ARGSUSED*/ 1106 void 1107 notealias(addr, param) 1108 const char *addr; 1109 int param; 1110 { 1111 if (setaddr && doalias == 0 && param < 0) 1112 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1113 rqtosa(af_addreq)->sa_len); 1114 doalias = param; 1115 if (param < 0) { 1116 clearaddr = 1; 1117 newaddr = 0; 1118 conflicting++; 1119 } else { 1120 clearaddr = 0; 1121 conflicting++; 1122 } 1123 } 1124 1125 /*ARGSUSED*/ 1126 void 1127 notrailers(vname, value) 1128 const char *vname; 1129 int value; 1130 { 1131 puts("Note: trailers are no longer sent, but always received"); 1132 } 1133 1134 /*ARGSUSED*/ 1135 void 1136 setifdstaddr(addr, param) 1137 const char *addr; 1138 int param; 1139 { 1140 (*afp->af_getaddr)(addr, DSTADDR); 1141 } 1142 1143 void 1144 setifflags(vname, value) 1145 const char *vname; 1146 int value; 1147 { 1148 struct ifreq ifreq; 1149 1150 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1151 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1152 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1153 flags = ifreq.ifr_flags; 1154 1155 if (value < 0) { 1156 value = -value; 1157 flags &= ~value; 1158 } else 1159 flags |= value; 1160 ifreq.ifr_flags = flags; 1161 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1162 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1163 1164 reset_if_flags = 1; 1165 } 1166 1167 void 1168 setifcaps(vname, value) 1169 const char *vname; 1170 int value; 1171 { 1172 1173 if (value < 0) { 1174 value = -value; 1175 g_ifcr.ifcr_capenable &= ~value; 1176 } else 1177 g_ifcr.ifcr_capenable |= value; 1178 1179 g_ifcr_updated = 1; 1180 } 1181 1182 #ifdef INET6 1183 void 1184 setia6flags(vname, value) 1185 const char *vname; 1186 int value; 1187 { 1188 1189 if (value < 0) { 1190 value = -value; 1191 in6_addreq.ifra_flags &= ~value; 1192 } else 1193 in6_addreq.ifra_flags |= value; 1194 } 1195 1196 void 1197 setia6pltime(val, d) 1198 const char *val; 1199 int d; 1200 { 1201 1202 setia6lifetime("pltime", val); 1203 } 1204 1205 void 1206 setia6vltime(val, d) 1207 const char *val; 1208 int d; 1209 { 1210 1211 setia6lifetime("vltime", val); 1212 } 1213 1214 void 1215 setia6lifetime(cmd, val) 1216 const char *cmd; 1217 const char *val; 1218 { 1219 time_t newval, t; 1220 char *ep; 1221 1222 t = time(NULL); 1223 newval = (time_t)strtoul(val, &ep, 0); 1224 if (val == ep) 1225 errx(EXIT_FAILURE, "invalid %s", cmd); 1226 if (afp->af_af != AF_INET6) 1227 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1228 if (strcmp(cmd, "vltime") == 0) { 1229 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1230 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1231 } else if (strcmp(cmd, "pltime") == 0) { 1232 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1233 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1234 } 1235 } 1236 1237 void 1238 setia6eui64(cmd, val) 1239 const char *cmd; 1240 int val; 1241 { 1242 struct ifaddrs *ifap, *ifa; 1243 const struct sockaddr_in6 *sin6 = NULL; 1244 const struct in6_addr *lladdr = NULL; 1245 struct in6_addr *in6; 1246 1247 if (afp->af_af != AF_INET6) 1248 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1249 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1250 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1251 errx(EXIT_FAILURE, "interface index is already filled"); 1252 if (getifaddrs(&ifap) != 0) 1253 err(EXIT_FAILURE, "getifaddrs"); 1254 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1255 if (ifa->ifa_addr->sa_family == AF_INET6 && 1256 strcmp(ifa->ifa_name, name) == 0) { 1257 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1258 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1259 lladdr = &sin6->sin6_addr; 1260 break; 1261 } 1262 } 1263 } 1264 if (!lladdr) 1265 errx(EXIT_FAILURE, "could not determine link local address"); 1266 1267 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1268 1269 freeifaddrs(ifap); 1270 } 1271 #endif 1272 1273 void 1274 setifmetric(val, d) 1275 const char *val; 1276 int d; 1277 { 1278 char *ep = NULL; 1279 1280 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1281 ifr.ifr_metric = strtoul(val, &ep, 10); 1282 if (!ep || *ep) 1283 errx(EXIT_FAILURE, "%s: invalid metric", val); 1284 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1285 warn("SIOCSIFMETRIC"); 1286 } 1287 1288 void 1289 setifmtu(val, d) 1290 const char *val; 1291 int d; 1292 { 1293 char *ep = NULL; 1294 1295 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1296 ifr.ifr_mtu = strtoul(val, &ep, 10); 1297 if (!ep || *ep) 1298 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1299 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1300 warn("SIOCSIFMTU"); 1301 } 1302 1303 const char * 1304 get_string(val, sep, buf, lenp) 1305 const char *val, *sep; 1306 u_int8_t *buf; 1307 int *lenp; 1308 { 1309 int len; 1310 int hexstr; 1311 u_int8_t *p; 1312 1313 len = *lenp; 1314 p = buf; 1315 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1316 if (hexstr) 1317 val += 2; 1318 for (;;) { 1319 if (*val == '\0') 1320 break; 1321 if (sep != NULL && strchr(sep, *val) != NULL) { 1322 val++; 1323 break; 1324 } 1325 if (hexstr) { 1326 if (!isxdigit((u_char)val[0]) || 1327 !isxdigit((u_char)val[1])) { 1328 warnx("bad hexadecimal digits"); 1329 return NULL; 1330 } 1331 } 1332 if (p > buf + len) { 1333 if (hexstr) 1334 warnx("hexadecimal digits too long"); 1335 else 1336 warnx("strings too long"); 1337 return NULL; 1338 } 1339 if (hexstr) { 1340 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1341 *p++ = (tohex((u_char)val[0]) << 4) | 1342 tohex((u_char)val[1]); 1343 #undef tohex 1344 val += 2; 1345 } else 1346 *p++ = *val++; 1347 } 1348 len = p - buf; 1349 if (len < *lenp) 1350 memset(p, 0, *lenp - len); 1351 *lenp = len; 1352 return val; 1353 } 1354 1355 void 1356 print_string(buf, len) 1357 const u_int8_t *buf; 1358 int len; 1359 { 1360 int i; 1361 int hasspc; 1362 1363 i = 0; 1364 hasspc = 0; 1365 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1366 for (; i < len; i++) { 1367 if (!isprint(buf[i])) 1368 break; 1369 if (isspace(buf[i])) 1370 hasspc++; 1371 } 1372 } 1373 if (i == len) { 1374 if (hasspc || len == 0) 1375 printf("\"%.*s\"", len, buf); 1376 else 1377 printf("%.*s", len, buf); 1378 } else { 1379 printf("0x"); 1380 for (i = 0; i < len; i++) 1381 printf("%02x", buf[i]); 1382 } 1383 } 1384 1385 void 1386 setifnwid(val, d) 1387 const char *val; 1388 int d; 1389 { 1390 struct ieee80211_nwid nwid; 1391 int len; 1392 1393 len = sizeof(nwid.i_nwid); 1394 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1395 return; 1396 nwid.i_len = len; 1397 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1398 ifr.ifr_data = (caddr_t)&nwid; 1399 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1400 warn("SIOCS80211NWID"); 1401 } 1402 1403 void 1404 setifbssid(val, d) 1405 const char *val; 1406 int d; 1407 { 1408 struct ieee80211_bssid bssid; 1409 struct ether_addr *ea; 1410 1411 if (d != 0) { 1412 /* no BSSID is especially desired */ 1413 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1414 } else { 1415 ea = ether_aton(val); 1416 if (ea == NULL) { 1417 warnx("malformed BSSID: %s", val); 1418 return; 1419 } 1420 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1421 sizeof(bssid.i_bssid)); 1422 } 1423 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1424 if (ioctl(s, SIOCS80211BSSID, (caddr_t)&bssid) == -1) 1425 warn("SIOCS80211BSSID"); 1426 } 1427 1428 void 1429 setifchan(val, d) 1430 const char *val; 1431 int d; 1432 { 1433 struct ieee80211chanreq channel; 1434 int chan; 1435 1436 if (d != 0) 1437 chan = IEEE80211_CHAN_ANY; 1438 else { 1439 chan = atoi(val); 1440 if (chan < 0 || chan > 0xffff) { 1441 warnx("invalid channel: %s", val); 1442 return; 1443 } 1444 } 1445 1446 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1447 channel.i_channel = (u_int16_t) chan; 1448 if (ioctl(s, SIOCS80211CHANNEL, (caddr_t)&channel) == -1) 1449 warn("SIOCS80211CHANNEL"); 1450 } 1451 1452 void 1453 setifnwkey(val, d) 1454 const char *val; 1455 int d; 1456 { 1457 struct ieee80211_nwkey nwkey; 1458 int i; 1459 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1460 1461 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1462 nwkey.i_defkid = 1; 1463 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1464 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1465 nwkey.i_key[i].i_keydat = keybuf[i]; 1466 } 1467 if (d != 0) { 1468 /* disable WEP encryption */ 1469 nwkey.i_wepon = 0; 1470 i = 0; 1471 } else if (strcasecmp("persist", val) == 0) { 1472 /* use all values from persistent memory */ 1473 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1474 nwkey.i_defkid = 0; 1475 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1476 nwkey.i_key[i].i_keylen = -1; 1477 } else if (strncasecmp("persist:", val, 8) == 0) { 1478 val += 8; 1479 /* program keys in persistent memory */ 1480 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1481 goto set_nwkey; 1482 } else { 1483 set_nwkey: 1484 if (isdigit(val[0]) && val[1] == ':') { 1485 /* specifying a full set of four keys */ 1486 nwkey.i_defkid = val[0] - '0'; 1487 val += 2; 1488 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1489 val = get_string(val, ",", keybuf[i], 1490 &nwkey.i_key[i].i_keylen); 1491 if (val == NULL) 1492 return; 1493 } 1494 if (*val != '\0') { 1495 warnx("SIOCS80211NWKEY: too many keys."); 1496 return; 1497 } 1498 } else { 1499 val = get_string(val, NULL, keybuf[0], 1500 &nwkey.i_key[0].i_keylen); 1501 if (val == NULL) 1502 return; 1503 i = 1; 1504 } 1505 } 1506 for (; i < IEEE80211_WEP_NKID; i++) 1507 nwkey.i_key[i].i_keylen = 0; 1508 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1509 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1510 warn("SIOCS80211NWKEY"); 1511 } 1512 1513 void 1514 setifpowersave(val, d) 1515 const char *val; 1516 int d; 1517 { 1518 struct ieee80211_power power; 1519 1520 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1521 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1522 warn("SIOCG80211POWER"); 1523 return; 1524 } 1525 1526 power.i_enabled = d; 1527 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1528 warn("SIOCS80211POWER"); 1529 } 1530 1531 void 1532 setifpowersavesleep(val, d) 1533 const char *val; 1534 int d; 1535 { 1536 struct ieee80211_power power; 1537 1538 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1539 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1540 warn("SIOCG80211POWER"); 1541 return; 1542 } 1543 1544 power.i_maxsleep = atoi(val); 1545 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1546 warn("SIOCS80211POWER"); 1547 } 1548 1549 void 1550 ieee80211_status() 1551 { 1552 int i, nwkey_verbose; 1553 struct ieee80211_nwid nwid; 1554 struct ieee80211_nwkey nwkey; 1555 struct ieee80211_power power; 1556 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1557 struct ieee80211_bssid bssid; 1558 struct ieee80211chanreq channel; 1559 struct ether_addr ea; 1560 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1561 1562 memset(&ifr, 0, sizeof(ifr)); 1563 ifr.ifr_data = (caddr_t)&nwid; 1564 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1565 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1566 return; 1567 if (nwid.i_len > IEEE80211_NWID_LEN) { 1568 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1569 return; 1570 } 1571 printf("\tnwid "); 1572 print_string(nwid.i_nwid, nwid.i_len); 1573 memset(&nwkey, 0, sizeof(nwkey)); 1574 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1575 /* show nwkey only when WEP is enabled */ 1576 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1577 nwkey.i_wepon == 0) { 1578 printf("\n"); 1579 goto skip_wep; 1580 } 1581 1582 printf(" nwkey "); 1583 /* try to retrieve WEP keys */ 1584 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1585 nwkey.i_key[i].i_keydat = keybuf[i]; 1586 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1587 } 1588 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1589 printf("*****"); 1590 } else { 1591 nwkey_verbose = 0; 1592 /* check to see non default key or multiple keys defined */ 1593 if (nwkey.i_defkid != 1) { 1594 nwkey_verbose = 1; 1595 } else { 1596 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1597 if (nwkey.i_key[i].i_keylen != 0) { 1598 nwkey_verbose = 1; 1599 break; 1600 } 1601 } 1602 } 1603 /* check extra ambiguity with keywords */ 1604 if (!nwkey_verbose) { 1605 if (nwkey.i_key[0].i_keylen >= 2 && 1606 isdigit(nwkey.i_key[0].i_keydat[0]) && 1607 nwkey.i_key[0].i_keydat[1] == ':') 1608 nwkey_verbose = 1; 1609 else if (nwkey.i_key[0].i_keylen >= 7 && 1610 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1611 == 0) 1612 nwkey_verbose = 1; 1613 } 1614 if (nwkey_verbose) 1615 printf("%d:", nwkey.i_defkid); 1616 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1617 if (i > 0) 1618 printf(","); 1619 if (nwkey.i_key[i].i_keylen < 0) 1620 printf("persist"); 1621 else 1622 print_string(nwkey.i_key[i].i_keydat, 1623 nwkey.i_key[i].i_keylen); 1624 if (!nwkey_verbose) 1625 break; 1626 } 1627 } 1628 printf("\n"); 1629 1630 skip_wep: 1631 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1632 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1633 goto skip_power; 1634 printf("\tpowersave "); 1635 if (power.i_enabled) 1636 printf("on (%dms sleep)", power.i_maxsleep); 1637 else 1638 printf("off"); 1639 printf("\n"); 1640 1641 skip_power: 1642 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1643 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1644 return; 1645 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1646 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1647 return; 1648 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1649 if (channel.i_channel != (u_int16_t)-1) 1650 printf("\tchan %d\n", channel.i_channel); 1651 } else { 1652 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1653 sizeof(ea.ether_addr_octet)); 1654 printf("\tbssid %s", ether_ntoa(&ea)); 1655 if (channel.i_channel != IEEE80211_CHAN_ANY) 1656 printf(" chan %d", channel.i_channel); 1657 printf("\n"); 1658 } 1659 } 1660 1661 void 1662 init_current_media() 1663 { 1664 struct ifmediareq ifmr; 1665 1666 /* 1667 * If we have not yet done so, grab the currently-selected 1668 * media. 1669 */ 1670 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1671 (void) memset(&ifmr, 0, sizeof(ifmr)); 1672 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1673 1674 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1675 /* 1676 * If we get E2BIG, the kernel is telling us 1677 * that there are more, so we can ignore it. 1678 */ 1679 if (errno != E2BIG) 1680 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1681 } 1682 1683 media_current = ifmr.ifm_current; 1684 } 1685 1686 /* Sanity. */ 1687 if (IFM_TYPE(media_current) == 0) 1688 errx(EXIT_FAILURE, "%s: no link type?", name); 1689 } 1690 1691 void 1692 process_media_commands() 1693 { 1694 1695 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1696 /* Nothing to do. */ 1697 return; 1698 } 1699 1700 /* 1701 * Media already set up, and commands sanity-checked. Set/clear 1702 * any options, and we're ready to go. 1703 */ 1704 media_current |= mediaopt_set; 1705 media_current &= ~mediaopt_clear; 1706 1707 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1708 ifr.ifr_media = media_current; 1709 1710 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1711 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1712 } 1713 1714 void 1715 setmedia(val, d) 1716 const char *val; 1717 int d; 1718 { 1719 int type, subtype, inst; 1720 1721 init_current_media(); 1722 1723 /* Only one media command may be given. */ 1724 if (actions & A_MEDIA) 1725 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1726 1727 /* Must not come after mode commands */ 1728 if (actions & A_MEDIAMODE) 1729 errx(EXIT_FAILURE, 1730 "may not issue `media' after `mode' commands"); 1731 1732 /* Must not come after mediaopt commands */ 1733 if (actions & A_MEDIAOPT) 1734 errx(EXIT_FAILURE, 1735 "may not issue `media' after `mediaopt' commands"); 1736 1737 /* 1738 * No need to check if `instance' has been issued; setmediainst() 1739 * craps out if `media' has not been specified. 1740 */ 1741 1742 type = IFM_TYPE(media_current); 1743 inst = IFM_INST(media_current); 1744 1745 /* Look up the subtype. */ 1746 subtype = get_media_subtype(type, val); 1747 1748 /* Build the new current media word. */ 1749 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1750 1751 /* Media will be set after other processing is complete. */ 1752 } 1753 1754 void 1755 setmediaopt(val, d) 1756 const char *val; 1757 int d; 1758 { 1759 1760 init_current_media(); 1761 1762 /* Can only issue `mediaopt' once. */ 1763 if (actions & A_MEDIAOPTSET) 1764 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1765 1766 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1767 if (actions & A_MEDIAINST) 1768 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1769 1770 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1771 1772 /* Media will be set after other processing is complete. */ 1773 } 1774 1775 void 1776 unsetmediaopt(val, d) 1777 const char *val; 1778 int d; 1779 { 1780 1781 init_current_media(); 1782 1783 /* Can only issue `-mediaopt' once. */ 1784 if (actions & A_MEDIAOPTCLR) 1785 errx(EXIT_FAILURE, 1786 "only one `-mediaopt' command may be issued"); 1787 1788 /* May not issue `media' and `-mediaopt'. */ 1789 if (actions & A_MEDIA) 1790 errx(EXIT_FAILURE, 1791 "may not issue both `media' and `-mediaopt'"); 1792 1793 /* 1794 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1795 * implicitly checks for A_MEDIAINST. 1796 */ 1797 1798 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1799 1800 /* Media will be set after other processing is complete. */ 1801 } 1802 1803 void 1804 setmediainst(val, d) 1805 const char *val; 1806 int d; 1807 { 1808 int type, subtype, options, inst; 1809 1810 init_current_media(); 1811 1812 /* Can only issue `instance' once. */ 1813 if (actions & A_MEDIAINST) 1814 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1815 1816 /* Must have already specified `media' */ 1817 if ((actions & A_MEDIA) == 0) 1818 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1819 1820 type = IFM_TYPE(media_current); 1821 subtype = IFM_SUBTYPE(media_current); 1822 options = IFM_OPTIONS(media_current); 1823 1824 inst = atoi(val); 1825 if (inst < 0 || inst > IFM_INST_MAX) 1826 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1827 1828 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1829 1830 /* Media will be set after other processing is complete. */ 1831 } 1832 1833 void 1834 setmediamode(val, d) 1835 const char *val; 1836 int d; 1837 { 1838 int type, subtype, options, inst, mode; 1839 1840 init_current_media(); 1841 1842 /* Can only issue `mode' once. */ 1843 if (actions & A_MEDIAMODE) 1844 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1845 1846 type = IFM_TYPE(media_current); 1847 subtype = IFM_SUBTYPE(media_current); 1848 options = IFM_OPTIONS(media_current); 1849 inst = IFM_INST(media_current); 1850 1851 if ((mode = get_media_mode(type, val)) == -1) 1852 errx(EXIT_FAILURE, "invalid media mode: %s", val); 1853 1854 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1855 1856 /* Media will be set after other processing is complete. */ 1857 } 1858 1859 struct ifmedia_description ifm_mode_descriptions[] = 1860 IFM_MODE_DESCRIPTIONS; 1861 1862 struct ifmedia_description ifm_type_descriptions[] = 1863 IFM_TYPE_DESCRIPTIONS; 1864 1865 struct ifmedia_description ifm_subtype_descriptions[] = 1866 IFM_SUBTYPE_DESCRIPTIONS; 1867 1868 struct ifmedia_description ifm_option_descriptions[] = 1869 IFM_OPTION_DESCRIPTIONS; 1870 1871 const char * 1872 get_media_type_string(mword) 1873 int mword; 1874 { 1875 struct ifmedia_description *desc; 1876 1877 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1878 desc++) { 1879 if (IFM_TYPE(mword) == desc->ifmt_word) 1880 return (desc->ifmt_string); 1881 } 1882 return ("<unknown type>"); 1883 } 1884 1885 const char * 1886 get_media_subtype_string(mword) 1887 int mword; 1888 { 1889 struct ifmedia_description *desc; 1890 1891 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1892 desc++) { 1893 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1894 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1895 return (desc->ifmt_string); 1896 } 1897 return ("<unknown subtype>"); 1898 } 1899 1900 int 1901 get_media_mode(type, val) 1902 int type; 1903 const char *val; 1904 { 1905 int rval; 1906 1907 rval = lookup_media_word(ifm_mode_descriptions, type, val); 1908 if (rval == -1) 1909 errx(EXIT_FAILURE, "unknown %s media mode: %s", 1910 get_media_type_string(type), val); 1911 1912 return (rval); 1913 } 1914 1915 int 1916 get_media_subtype(type, val) 1917 int type; 1918 const char *val; 1919 { 1920 int rval; 1921 1922 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1923 if (rval == -1) 1924 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1925 get_media_type_string(type), val); 1926 1927 return (rval); 1928 } 1929 1930 int 1931 get_media_options(type, val) 1932 int type; 1933 const char *val; 1934 { 1935 char *optlist, *str; 1936 int option, rval = 0; 1937 1938 /* We muck with the string, so copy it. */ 1939 optlist = strdup(val); 1940 if (optlist == NULL) 1941 err(EXIT_FAILURE, "strdup"); 1942 str = optlist; 1943 1944 /* 1945 * Look up the options in the user-provided comma-separated list. 1946 */ 1947 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1948 option = lookup_media_word(ifm_option_descriptions, type, str); 1949 if (option == -1) 1950 errx(EXIT_FAILURE, "unknown %s media option: %s", 1951 get_media_type_string(type), str); 1952 rval |= IFM_OPTIONS(option); 1953 } 1954 1955 free(optlist); 1956 return (rval); 1957 } 1958 1959 int 1960 lookup_media_word(desc, type, val) 1961 struct ifmedia_description *desc; 1962 int type; 1963 const char *val; 1964 { 1965 1966 for (; desc->ifmt_string != NULL; desc++) { 1967 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1968 strcasecmp(desc->ifmt_string, val) == 0) 1969 return (desc->ifmt_word); 1970 } 1971 return (-1); 1972 } 1973 1974 void 1975 print_media_word(ifmw, print_type, as_syntax) 1976 int ifmw, print_type, as_syntax; 1977 { 1978 struct ifmedia_description *desc; 1979 int seen_option = 0; 1980 1981 if (print_type) 1982 printf("%s ", get_media_type_string(ifmw)); 1983 printf("%s%s", as_syntax ? "media " : "", 1984 get_media_subtype_string(ifmw)); 1985 1986 /* Find mode. */ 1987 if (IFM_MODE(ifmw) != 0) { 1988 for (desc = ifm_mode_descriptions; desc->ifmt_string != NULL; 1989 desc++) { 1990 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1991 IFM_MODE(ifmw) == IFM_MODE(desc->ifmt_word)) { 1992 printf(" mode %s", desc->ifmt_string); 1993 break; 1994 } 1995 } 1996 } 1997 1998 /* Find options. */ 1999 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 2000 desc++) { 2001 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 2002 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 2003 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 2004 if (seen_option == 0) 2005 printf(" %s", as_syntax ? "mediaopt " : ""); 2006 printf("%s%s", seen_option ? "," : "", 2007 desc->ifmt_string); 2008 seen_option |= IFM_OPTIONS(desc->ifmt_word); 2009 } 2010 } 2011 if (IFM_INST(ifmw) != 0) 2012 printf(" instance %d", IFM_INST(ifmw)); 2013 } 2014 2015 int carrier() 2016 { 2017 struct ifmediareq ifmr; 2018 2019 (void) memset(&ifmr, 0, sizeof(ifmr)); 2020 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2021 2022 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2023 /* 2024 * Interface doesn't support SIOC{G,S}IFMEDIA; 2025 * assume ok. 2026 */ 2027 return 0; 2028 } 2029 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 2030 /* 2031 * Interface doesn't report media-valid status. 2032 * assume ok. 2033 */ 2034 return 0; 2035 } 2036 /* otherwise, return ok for active, not-ok if not active. */ 2037 return !(ifmr.ifm_status & IFM_ACTIVE); 2038 } 2039 2040 2041 #define IFFBITS \ 2042 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 2043 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 2044 2045 #define IFCAPBITS \ 2046 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 2047 2048 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 2049 2050 const struct ifmedia_status_description ifm_status_descriptions[] = 2051 IFM_STATUS_DESCRIPTIONS; 2052 2053 /* 2054 * Print the status of the interface. If an address family was 2055 * specified, show it and it only; otherwise, show them all. 2056 */ 2057 void 2058 status(sdl) 2059 const struct sockaddr_dl *sdl; 2060 { 2061 struct afswtch *p = afp; 2062 struct ifmediareq ifmr; 2063 struct ifdatareq ifdr; 2064 int *media_list, i; 2065 char hbuf[NI_MAXHOST]; 2066 char fbuf[BUFSIZ]; 2067 2068 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 2069 printf("%s: flags=%s", name, &fbuf[2]); 2070 if (metric) 2071 printf(" metric %lu", metric); 2072 if (mtu) 2073 printf(" mtu %lu", mtu); 2074 putchar('\n'); 2075 2076 if (g_ifcr.ifcr_capabilities) { 2077 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2078 g_ifcr.ifcr_capabilities); 2079 printf("\tcapabilities=%s\n", &fbuf[2]); 2080 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2081 g_ifcr.ifcr_capenable); 2082 printf("\tenabled=%s\n", &fbuf[2]); 2083 } 2084 2085 ieee80211_status(); 2086 vlan_status(); 2087 tunnel_status(); 2088 2089 if (sdl != NULL && 2090 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2091 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2092 hbuf[0] != '\0') 2093 printf("\taddress: %s\n", hbuf); 2094 2095 (void) memset(&ifmr, 0, sizeof(ifmr)); 2096 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2097 2098 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2099 /* 2100 * Interface doesn't support SIOC{G,S}IFMEDIA. 2101 */ 2102 goto iface_stats; 2103 } 2104 2105 if (ifmr.ifm_count == 0) { 2106 warnx("%s: no media types?", name); 2107 goto iface_stats; 2108 } 2109 2110 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2111 if (media_list == NULL) 2112 err(EXIT_FAILURE, "malloc"); 2113 ifmr.ifm_ulist = media_list; 2114 2115 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 2116 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2117 2118 printf("\tmedia: "); 2119 print_media_word(ifmr.ifm_current, 1, 0); 2120 if (ifmr.ifm_active != ifmr.ifm_current) { 2121 putchar(' '); 2122 putchar('('); 2123 print_media_word(ifmr.ifm_active, 0, 0); 2124 putchar(')'); 2125 } 2126 putchar('\n'); 2127 2128 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2129 const struct ifmedia_status_description *ifms; 2130 int bitno, found = 0; 2131 2132 printf("\tstatus: "); 2133 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2134 for (ifms = ifm_status_descriptions; 2135 ifms->ifms_valid != 0; ifms++) { 2136 if (ifms->ifms_type != 2137 IFM_TYPE(ifmr.ifm_current) || 2138 ifms->ifms_valid != 2139 ifm_status_valid_list[bitno]) 2140 continue; 2141 printf("%s%s", found ? ", " : "", 2142 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2143 found = 1; 2144 2145 /* 2146 * For each valid indicator bit, there's 2147 * only one entry for each media type, so 2148 * terminate the inner loop now. 2149 */ 2150 break; 2151 } 2152 } 2153 2154 if (found == 0) 2155 printf("unknown"); 2156 putchar('\n'); 2157 } 2158 2159 if (mflag) { 2160 int type, printed_type; 2161 2162 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2163 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2164 if (IFM_TYPE(media_list[i]) == type) { 2165 if (printed_type == 0) { 2166 printf("\tsupported %s media:\n", 2167 get_media_type_string(type)); 2168 printed_type = 1; 2169 } 2170 printf("\t\t"); 2171 print_media_word(media_list[i], 0, 1); 2172 printf("\n"); 2173 } 2174 } 2175 } 2176 } 2177 2178 free(media_list); 2179 2180 iface_stats: 2181 if (!vflag && !zflag) 2182 goto proto_status; 2183 2184 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2185 2186 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, (caddr_t)&ifdr) == -1) { 2187 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2188 } else { 2189 struct if_data * const ifi = &ifdr.ifdr_data; 2190 #define PLURAL(n) ((n) == 1 ? "" : "s") 2191 printf("\tinput: %llu packet%s, %llu byte%s", 2192 (unsigned long long) ifi->ifi_ipackets, 2193 PLURAL(ifi->ifi_ipackets), 2194 (unsigned long long) ifi->ifi_ibytes, 2195 PLURAL(ifi->ifi_ibytes)); 2196 if (ifi->ifi_imcasts) 2197 printf(", %llu multicast%s", 2198 (unsigned long long) ifi->ifi_imcasts, 2199 PLURAL(ifi->ifi_imcasts)); 2200 if (ifi->ifi_ierrors) 2201 printf(", %llu error%s", 2202 (unsigned long long) ifi->ifi_ierrors, 2203 PLURAL(ifi->ifi_ierrors)); 2204 if (ifi->ifi_iqdrops) 2205 printf(", %llu queue drop%s", 2206 (unsigned long long) ifi->ifi_iqdrops, 2207 PLURAL(ifi->ifi_iqdrops)); 2208 if (ifi->ifi_noproto) 2209 printf(", %llu unknown protocol", 2210 (unsigned long long) ifi->ifi_noproto); 2211 printf("\n\toutput: %llu packet%s, %llu byte%s", 2212 (unsigned long long) ifi->ifi_opackets, 2213 PLURAL(ifi->ifi_opackets), 2214 (unsigned long long) ifi->ifi_obytes, 2215 PLURAL(ifi->ifi_obytes)); 2216 if (ifi->ifi_omcasts) 2217 printf(", %llu multicast%s", 2218 (unsigned long long) ifi->ifi_omcasts, 2219 PLURAL(ifi->ifi_omcasts)); 2220 if (ifi->ifi_oerrors) 2221 printf(", %llu error%s", 2222 (unsigned long long) ifi->ifi_oerrors, 2223 PLURAL(ifi->ifi_oerrors)); 2224 if (ifi->ifi_collisions) 2225 printf(", %llu collision%s", 2226 (unsigned long long) ifi->ifi_collisions, 2227 PLURAL(ifi->ifi_collisions)); 2228 printf("\n"); 2229 #undef PLURAL 2230 } 2231 2232 proto_status: 2233 if ((p = afp) != NULL) { 2234 (*p->af_status)(1); 2235 } else for (p = afs; p->af_name; p++) { 2236 ifr.ifr_addr.sa_family = p->af_af; 2237 (*p->af_status)(0); 2238 } 2239 } 2240 2241 void 2242 tunnel_status() 2243 { 2244 char psrcaddr[NI_MAXHOST]; 2245 char pdstaddr[NI_MAXHOST]; 2246 const char *ver = ""; 2247 #ifdef NI_WITHSCOPEID 2248 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2249 #else 2250 const int niflag = NI_NUMERICHOST; 2251 #endif 2252 struct if_laddrreq req; 2253 2254 psrcaddr[0] = pdstaddr[0] = '\0'; 2255 2256 memset(&req, 0, sizeof(req)); 2257 strncpy(req.iflr_name, name, IFNAMSIZ); 2258 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2259 return; 2260 #ifdef INET6 2261 if (req.addr.ss_family == AF_INET6) 2262 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2263 #endif 2264 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2265 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2266 #ifdef INET6 2267 if (req.addr.ss_family == AF_INET6) 2268 ver = "6"; 2269 #endif 2270 2271 #ifdef INET6 2272 if (req.dstaddr.ss_family == AF_INET6) 2273 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2274 #endif 2275 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2276 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2277 2278 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2279 } 2280 2281 void 2282 vlan_status() 2283 { 2284 struct vlanreq vlr; 2285 2286 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2287 !isdigit(ifr.ifr_name[4])) 2288 return; 2289 2290 memset(&vlr, 0, sizeof(vlr)); 2291 ifr.ifr_data = (caddr_t)&vlr; 2292 2293 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2294 return; 2295 2296 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2297 printf("\tvlan: %d parent: %s\n", 2298 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2299 "<none>" : vlr.vlr_parent); 2300 } 2301 2302 void 2303 in_alias(creq) 2304 struct ifreq *creq; 2305 { 2306 struct sockaddr_in *iasin; 2307 int alias; 2308 2309 if (lflag) 2310 return; 2311 2312 alias = 1; 2313 2314 /* Get the non-alias address for this interface. */ 2315 getsock(AF_INET); 2316 if (s < 0) { 2317 if (errno == EPROTONOSUPPORT) 2318 return; 2319 err(EXIT_FAILURE, "socket"); 2320 } 2321 (void) memset(&ifr, 0, sizeof(ifr)); 2322 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2323 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2324 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2325 return; 2326 } else 2327 warn("SIOCGIFADDR"); 2328 } 2329 /* If creq and ifr are the same address, this is not an alias. */ 2330 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2331 sizeof(creq->ifr_addr)) == 0) 2332 alias = 0; 2333 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2334 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2335 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2336 sizeof(in_addreq.ifra_addr)); 2337 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2338 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2339 return; 2340 } else 2341 warn("SIOCGIFALIAS"); 2342 } 2343 2344 iasin = &in_addreq.ifra_addr; 2345 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2346 2347 if (flags & IFF_POINTOPOINT) { 2348 iasin = &in_addreq.ifra_dstaddr; 2349 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2350 } 2351 2352 iasin = &in_addreq.ifra_mask; 2353 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2354 2355 if (flags & IFF_BROADCAST) { 2356 iasin = &in_addreq.ifra_broadaddr; 2357 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2358 } 2359 printf("\n"); 2360 } 2361 2362 void 2363 in_status(force) 2364 int force; 2365 { 2366 struct ifaddrs *ifap, *ifa; 2367 struct ifreq isifr; 2368 2369 if (getifaddrs(&ifap) != 0) 2370 err(EXIT_FAILURE, "getifaddrs"); 2371 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2372 if (strcmp(name, ifa->ifa_name) != 0) 2373 continue; 2374 if (ifa->ifa_addr->sa_family != AF_INET) 2375 continue; 2376 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2377 continue; 2378 2379 memset(&isifr, 0, sizeof(isifr)); 2380 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2381 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2382 in_alias(&isifr); 2383 } 2384 freeifaddrs(ifap); 2385 } 2386 2387 void 2388 setifprefixlen(addr, d) 2389 const char *addr; 2390 int d; 2391 { 2392 if (*afp->af_getprefix) 2393 (*afp->af_getprefix)(addr, MASK); 2394 explicit_prefix = 1; 2395 } 2396 2397 #ifdef INET6 2398 void 2399 in6_fillscopeid(sin6) 2400 struct sockaddr_in6 *sin6; 2401 { 2402 #if defined(__KAME__) && defined(KAME_SCOPEID) 2403 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2404 sin6->sin6_scope_id = 2405 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2406 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2407 } 2408 #endif 2409 } 2410 2411 /* XXX not really an alias */ 2412 void 2413 in6_alias(creq) 2414 struct in6_ifreq *creq; 2415 { 2416 struct sockaddr_in6 *sin6; 2417 char hbuf[NI_MAXHOST]; 2418 u_int32_t scopeid; 2419 #ifdef NI_WITHSCOPEID 2420 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2421 #else 2422 const int niflag = NI_NUMERICHOST; 2423 #endif 2424 2425 /* Get the non-alias address for this interface. */ 2426 getsock(AF_INET6); 2427 if (s < 0) { 2428 if (errno == EPROTONOSUPPORT) 2429 return; 2430 err(EXIT_FAILURE, "socket"); 2431 } 2432 2433 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2434 2435 in6_fillscopeid(sin6); 2436 scopeid = sin6->sin6_scope_id; 2437 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2438 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2439 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2440 printf("\tinet6 %s", hbuf); 2441 2442 if (flags & IFF_POINTOPOINT) { 2443 (void) memset(&ifr6, 0, sizeof(ifr6)); 2444 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2445 ifr6.ifr_addr = creq->ifr_addr; 2446 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2447 if (errno != EADDRNOTAVAIL) 2448 warn("SIOCGIFDSTADDR_IN6"); 2449 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2450 ifr6.ifr_addr.sin6_family = AF_INET6; 2451 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2452 } 2453 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2454 in6_fillscopeid(sin6); 2455 hbuf[0] = '\0'; 2456 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2457 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2458 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2459 printf(" -> %s", hbuf); 2460 } 2461 2462 (void) memset(&ifr6, 0, sizeof(ifr6)); 2463 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2464 ifr6.ifr_addr = creq->ifr_addr; 2465 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2466 if (errno != EADDRNOTAVAIL) 2467 warn("SIOCGIFNETMASK_IN6"); 2468 } else { 2469 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2470 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2471 sizeof(struct in6_addr))); 2472 } 2473 2474 (void) memset(&ifr6, 0, sizeof(ifr6)); 2475 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2476 ifr6.ifr_addr = creq->ifr_addr; 2477 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2478 if (errno != EADDRNOTAVAIL) 2479 warn("SIOCGIFAFLAG_IN6"); 2480 } else { 2481 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2482 printf(" anycast"); 2483 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2484 printf(" tentative"); 2485 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2486 printf(" duplicated"); 2487 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2488 printf(" detached"); 2489 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2490 printf(" deprecated"); 2491 } 2492 2493 if (scopeid) 2494 printf(" scopeid 0x%x", scopeid); 2495 2496 if (Lflag) { 2497 struct in6_addrlifetime *lifetime; 2498 (void) memset(&ifr6, 0, sizeof(ifr6)); 2499 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2500 ifr6.ifr_addr = creq->ifr_addr; 2501 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2502 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2503 if (errno != EADDRNOTAVAIL) 2504 warn("SIOCGIFALIFETIME_IN6"); 2505 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2506 time_t t = time(NULL); 2507 printf(" pltime "); 2508 if (lifetime->ia6t_preferred) { 2509 printf("%s", lifetime->ia6t_preferred < t 2510 ? "0" 2511 : sec2str(lifetime->ia6t_preferred - t)); 2512 } else 2513 printf("infty"); 2514 2515 printf(" vltime "); 2516 if (lifetime->ia6t_expire) { 2517 printf("%s", lifetime->ia6t_expire < t 2518 ? "0" 2519 : sec2str(lifetime->ia6t_expire - t)); 2520 } else 2521 printf("infty"); 2522 } 2523 } 2524 2525 printf("\n"); 2526 } 2527 2528 void 2529 in6_status(force) 2530 int force; 2531 { 2532 struct ifaddrs *ifap, *ifa; 2533 struct in6_ifreq isifr; 2534 2535 if (getifaddrs(&ifap) != 0) 2536 err(EXIT_FAILURE, "getifaddrs"); 2537 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2538 if (strcmp(name, ifa->ifa_name) != 0) 2539 continue; 2540 if (ifa->ifa_addr->sa_family != AF_INET6) 2541 continue; 2542 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2543 continue; 2544 2545 memset(&isifr, 0, sizeof(isifr)); 2546 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2547 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2548 in6_alias(&isifr); 2549 } 2550 freeifaddrs(ifap); 2551 } 2552 #endif /*INET6*/ 2553 2554 #ifndef INET_ONLY 2555 2556 void 2557 at_status(force) 2558 int force; 2559 { 2560 struct sockaddr_at *sat, null_sat; 2561 struct netrange *nr; 2562 2563 getsock(AF_APPLETALK); 2564 if (s < 0) { 2565 if (errno == EPROTONOSUPPORT) 2566 return; 2567 err(EXIT_FAILURE, "socket"); 2568 } 2569 (void) memset(&ifr, 0, sizeof(ifr)); 2570 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2571 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2572 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2573 if (!force) 2574 return; 2575 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2576 } else 2577 warn("SIOCGIFADDR"); 2578 } 2579 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2580 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2581 2582 (void) memset(&null_sat, 0, sizeof(null_sat)); 2583 2584 nr = (struct netrange *) &sat->sat_zero; 2585 printf("\tatalk %d.%d range %d-%d phase %d", 2586 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2587 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2588 if (flags & IFF_POINTOPOINT) { 2589 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2590 if (errno == EADDRNOTAVAIL) 2591 (void) memset(&ifr.ifr_addr, 0, 2592 sizeof(ifr.ifr_addr)); 2593 else 2594 warn("SIOCGIFDSTADDR"); 2595 } 2596 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2597 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2598 if (!sat) 2599 sat = &null_sat; 2600 printf("--> %d.%d", 2601 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2602 } 2603 if (flags & IFF_BROADCAST) { 2604 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2605 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2606 if (sat) 2607 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2608 sat->sat_addr.s_node); 2609 } 2610 putchar('\n'); 2611 } 2612 2613 void 2614 xns_status(force) 2615 int force; 2616 { 2617 struct sockaddr_ns *sns; 2618 2619 getsock(AF_NS); 2620 if (s < 0) { 2621 if (errno == EPROTONOSUPPORT) 2622 return; 2623 err(EXIT_FAILURE, "socket"); 2624 } 2625 (void) memset(&ifr, 0, sizeof(ifr)); 2626 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2627 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2628 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2629 if (!force) 2630 return; 2631 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2632 } else 2633 warn("SIOCGIFADDR"); 2634 } 2635 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2636 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2637 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2638 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2639 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2640 if (errno == EADDRNOTAVAIL) 2641 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2642 else 2643 warn("SIOCGIFDSTADDR"); 2644 } 2645 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2646 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2647 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2648 } 2649 putchar('\n'); 2650 } 2651 2652 void 2653 iso_status(force) 2654 int force; 2655 { 2656 struct sockaddr_iso *siso; 2657 struct iso_ifreq isoifr; 2658 2659 getsock(AF_ISO); 2660 if (s < 0) { 2661 if (errno == EPROTONOSUPPORT) 2662 return; 2663 err(EXIT_FAILURE, "socket"); 2664 } 2665 (void) memset(&isoifr, 0, sizeof(isoifr)); 2666 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2667 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2668 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2669 if (!force) 2670 return; 2671 (void) memset(&isoifr.ifr_Addr, 0, 2672 sizeof(isoifr.ifr_Addr)); 2673 } else 2674 warn("SIOCGIFADDR_ISO"); 2675 } 2676 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2677 siso = &isoifr.ifr_Addr; 2678 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2679 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2680 if (errno == EADDRNOTAVAIL) 2681 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2682 else 2683 warn("SIOCGIFNETMASK_ISO"); 2684 } else { 2685 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2686 siso->siso_addr.isoa_len = siso->siso_len 2687 - offsetof(struct sockaddr_iso, siso_addr); 2688 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2689 } 2690 if (flags & IFF_POINTOPOINT) { 2691 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2692 if (errno == EADDRNOTAVAIL) 2693 memset(&isoifr.ifr_Addr, 0, 2694 sizeof(isoifr.ifr_Addr)); 2695 else 2696 warn("SIOCGIFDSTADDR_ISO"); 2697 } 2698 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2699 siso = &isoifr.ifr_Addr; 2700 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2701 } 2702 putchar('\n'); 2703 } 2704 2705 #endif /* INET_ONLY */ 2706 2707 #define SIN(x) ((struct sockaddr_in *) &(x)) 2708 struct sockaddr_in *sintab[] = { 2709 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2710 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2711 2712 void 2713 in_getaddr(str, which) 2714 const char *str; 2715 int which; 2716 { 2717 struct sockaddr_in *gasin = sintab[which]; 2718 struct hostent *hp; 2719 struct netent *np; 2720 2721 gasin->sin_len = sizeof(*gasin); 2722 if (which != MASK) 2723 gasin->sin_family = AF_INET; 2724 2725 if (which == ADDR) { 2726 char *p = NULL; 2727 if ((p = strrchr(str, '/')) != NULL) { 2728 *p = '\0'; 2729 in_getprefix(p + 1, MASK); 2730 } 2731 } 2732 2733 if (inet_aton(str, &gasin->sin_addr) == 0) { 2734 if ((hp = gethostbyname(str)) != NULL) 2735 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2736 else if ((np = getnetbyname(str)) != NULL) 2737 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2738 else 2739 errx(EXIT_FAILURE, "%s: bad value", str); 2740 } 2741 } 2742 2743 void 2744 in_getprefix(plen, which) 2745 const char *plen; 2746 int which; 2747 { 2748 register struct sockaddr_in *igsin = sintab[which]; 2749 register u_char *cp; 2750 int len = strtol(plen, (char **)NULL, 10); 2751 2752 if ((len < 0) || (len > 32)) 2753 errx(EXIT_FAILURE, "%s: bad value", plen); 2754 igsin->sin_len = sizeof(*igsin); 2755 if (which != MASK) 2756 igsin->sin_family = AF_INET; 2757 if ((len == 0) || (len == 32)) { 2758 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2759 return; 2760 } 2761 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2762 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2763 *cp++ = 0xff; 2764 if (len) 2765 *cp = 0xff << (8 - len); 2766 } 2767 2768 #ifdef INET6 2769 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2770 struct sockaddr_in6 *sin6tab[] = { 2771 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2772 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2773 2774 void 2775 in6_getaddr(str, which) 2776 const char *str; 2777 int which; 2778 { 2779 #if defined(__KAME__) && defined(KAME_SCOPEID) 2780 struct sockaddr_in6 *sin6 = sin6tab[which]; 2781 struct addrinfo hints, *res; 2782 int error; 2783 char *slash = NULL; 2784 2785 if (which == ADDR) { 2786 if ((slash = strrchr(str, '/')) != NULL) 2787 *slash = '\0'; 2788 } 2789 2790 memset(&hints, 0, sizeof(hints)); 2791 hints.ai_family = AF_INET6; 2792 hints.ai_socktype = SOCK_DGRAM; 2793 #if 0 /* in_getaddr() allows FQDN */ 2794 hints.ai_flags = AI_NUMERICHOST; 2795 #endif 2796 error = getaddrinfo(str, "0", &hints, &res); 2797 if (error && slash) { 2798 /* try again treating the '/' as part of the name */ 2799 *slash = '/'; 2800 slash = NULL; 2801 error = getaddrinfo(str, "0", &hints, &res); 2802 } 2803 if (error) 2804 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2805 if (res->ai_next) 2806 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2807 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2808 errx(EXIT_FAILURE, "%s: bad value", str); 2809 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2810 freeaddrinfo(res); 2811 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2812 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2813 htons(sin6->sin6_scope_id); 2814 sin6->sin6_scope_id = 0; 2815 } 2816 if (slash) { 2817 in6_getprefix(slash + 1, MASK); 2818 explicit_prefix = 1; 2819 } 2820 #else 2821 struct sockaddr_in6 *gasin = sin6tab[which]; 2822 2823 gasin->sin6_len = sizeof(*gasin); 2824 if (which != MASK) 2825 gasin->sin6_family = AF_INET6; 2826 2827 if (which == ADDR) { 2828 char *p = NULL; 2829 if((p = strrchr(str, '/')) != NULL) { 2830 *p = '\0'; 2831 in6_getprefix(p + 1, MASK); 2832 explicit_prefix = 1; 2833 } 2834 } 2835 2836 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2837 errx(EXIT_FAILURE, "%s: bad value", str); 2838 #endif 2839 } 2840 2841 void 2842 in6_getprefix(plen, which) 2843 const char *plen; 2844 int which; 2845 { 2846 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2847 register u_char *cp; 2848 int len = strtol(plen, (char **)NULL, 10); 2849 2850 if ((len < 0) || (len > 128)) 2851 errx(EXIT_FAILURE, "%s: bad value", plen); 2852 gpsin->sin6_len = sizeof(*gpsin); 2853 if (which != MASK) 2854 gpsin->sin6_family = AF_INET6; 2855 if ((len == 0) || (len == 128)) { 2856 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2857 return; 2858 } 2859 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2860 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2861 *cp++ = 0xff; 2862 if (len) 2863 *cp = 0xff << (8 - len); 2864 } 2865 2866 int 2867 prefix(val, size) 2868 void *val; 2869 int size; 2870 { 2871 register u_char *pname = (u_char *)val; 2872 register int byte, bit, plen = 0; 2873 2874 for (byte = 0; byte < size; byte++, plen += 8) 2875 if (pname[byte] != 0xff) 2876 break; 2877 if (byte == size) 2878 return (plen); 2879 for (bit = 7; bit != 0; bit--, plen++) 2880 if (!(pname[byte] & (1 << bit))) 2881 break; 2882 for (; bit != 0; bit--) 2883 if (pname[byte] & (1 << bit)) 2884 return(0); 2885 byte++; 2886 for (; byte < size; byte++) 2887 if (pname[byte]) 2888 return(0); 2889 return (plen); 2890 } 2891 #endif /*INET6*/ 2892 2893 #ifndef INET_ONLY 2894 void 2895 at_getaddr(addr, which) 2896 const char *addr; 2897 int which; 2898 { 2899 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2900 u_int net, node; 2901 2902 sat->sat_family = AF_APPLETALK; 2903 sat->sat_len = sizeof(*sat); 2904 if (which == MASK) 2905 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2906 if (sscanf(addr, "%u.%u", &net, &node) != 2 2907 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2908 errx(EXIT_FAILURE, "%s: illegal address", addr); 2909 sat->sat_addr.s_net = htons(net); 2910 sat->sat_addr.s_node = node; 2911 } 2912 2913 void 2914 setatrange(range, d) 2915 const char *range; 2916 int d; 2917 { 2918 u_short first = 123, last = 123; 2919 2920 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2921 || first == 0 /* || first > 0xffff */ 2922 || last == 0 /* || last > 0xffff */ || first > last) 2923 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2924 first, last); 2925 at_nr.nr_firstnet = htons(first); 2926 at_nr.nr_lastnet = htons(last); 2927 } 2928 2929 void 2930 setatphase(phase, d) 2931 const char *phase; 2932 int d; 2933 { 2934 if (!strcmp(phase, "1")) 2935 at_nr.nr_phase = 1; 2936 else if (!strcmp(phase, "2")) 2937 at_nr.nr_phase = 2; 2938 else 2939 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2940 } 2941 2942 void 2943 checkatrange(sat) 2944 struct sockaddr_at *sat; 2945 { 2946 if (at_nr.nr_phase == 0) 2947 at_nr.nr_phase = 2; /* Default phase 2 */ 2948 if (at_nr.nr_firstnet == 0) 2949 at_nr.nr_firstnet = /* Default range of one */ 2950 at_nr.nr_lastnet = sat->sat_addr.s_net; 2951 printf("\tatalk %d.%d range %d-%d phase %d\n", 2952 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2953 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2954 if ((u_short) ntohs(at_nr.nr_firstnet) > 2955 (u_short) ntohs(sat->sat_addr.s_net) 2956 || (u_short) ntohs(at_nr.nr_lastnet) < 2957 (u_short) ntohs(sat->sat_addr.s_net)) 2958 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2959 *((struct netrange *) &sat->sat_zero) = at_nr; 2960 } 2961 2962 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2963 struct sockaddr_ns *snstab[] = { 2964 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2965 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2966 2967 void 2968 xns_getaddr(addr, which) 2969 const char *addr; 2970 int which; 2971 { 2972 struct sockaddr_ns *sns = snstab[which]; 2973 2974 sns->sns_family = AF_NS; 2975 sns->sns_len = sizeof(*sns); 2976 sns->sns_addr = ns_addr(addr); 2977 if (which == MASK) 2978 puts("Attempt to set XNS netmask will be ineffectual"); 2979 } 2980 2981 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2982 struct sockaddr_iso *sisotab[] = { 2983 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2984 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2985 2986 void 2987 iso_getaddr(addr, which) 2988 const char *addr; 2989 int which; 2990 { 2991 struct sockaddr_iso *siso = sisotab[which]; 2992 siso->siso_addr = *iso_addr(addr); 2993 2994 if (which == MASK) { 2995 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2996 siso->siso_nlen = 0; 2997 } else { 2998 siso->siso_len = sizeof(*siso); 2999 siso->siso_family = AF_ISO; 3000 } 3001 } 3002 3003 void 3004 setsnpaoffset(val, d) 3005 const char *val; 3006 int d; 3007 { 3008 iso_addreq.ifra_snpaoffset = atoi(val); 3009 } 3010 3011 void 3012 setnsellength(val, d) 3013 const char *val; 3014 int d; 3015 { 3016 nsellength = atoi(val); 3017 if (nsellength < 0) 3018 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 3019 if (afp == 0 || afp->af_af != AF_ISO) 3020 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 3021 } 3022 3023 void 3024 fixnsel(siso) 3025 struct sockaddr_iso *siso; 3026 { 3027 if (siso->siso_family == 0) 3028 return; 3029 siso->siso_tlen = nsellength; 3030 } 3031 3032 void 3033 adjust_nsellength() 3034 { 3035 fixnsel(sisotab[RIDADDR]); 3036 fixnsel(sisotab[ADDR]); 3037 fixnsel(sisotab[DSTADDR]); 3038 } 3039 3040 #endif /* INET_ONLY */ 3041 3042 void 3043 usage() 3044 { 3045 const char *progname = getprogname(); 3046 3047 fprintf(stderr, 3048 "usage: %s [-m] [-v] [-z] " 3049 #ifdef INET6 3050 "[-L] " 3051 #endif 3052 "interface\n" 3053 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 3054 "\t\t[ alias | -alias ] ]\n" 3055 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 3056 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 3057 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 3058 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 3059 "\t[ arp | -arp ]\n" 3060 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 3061 "[ instance minst ]\n" 3062 "\t[ vlan n vlanif i ]\n" 3063 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 3064 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 3065 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 3066 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 3067 " %s -l [-b] [-d] [-u] [-s]\n" 3068 " %s -C\n" 3069 " %s interface create\n" 3070 " %s interface destroy\n", 3071 progname, progname, progname, progname, progname, progname); 3072 exit(1); 3073 } 3074 3075 #ifdef INET6 3076 char * 3077 sec2str(total) 3078 time_t total; 3079 { 3080 static char result[256]; 3081 int days, hours, mins, secs; 3082 int first = 1; 3083 char *p = result; 3084 char *end = &result[sizeof(result)]; 3085 int n; 3086 3087 if (0) { /*XXX*/ 3088 days = total / 3600 / 24; 3089 hours = (total / 3600) % 24; 3090 mins = (total / 60) % 60; 3091 secs = total % 60; 3092 3093 if (days) { 3094 first = 0; 3095 n = snprintf(p, end - p, "%dd", days); 3096 if (n < 0 || n >= end - p) 3097 return(result); 3098 p += n; 3099 } 3100 if (!first || hours) { 3101 first = 0; 3102 n = snprintf(p, end - p, "%dh", hours); 3103 if (n < 0 || n >= end - p) 3104 return(result); 3105 p += n; 3106 } 3107 if (!first || mins) { 3108 first = 0; 3109 n = snprintf(p, end - p, "%dm", mins); 3110 if (n < 0 || n >= end - p) 3111 return(result); 3112 p += n; 3113 } 3114 snprintf(p, end - p, "%ds", secs); 3115 } else 3116 snprintf(p, end - p, "%lu", (u_long)total); 3117 3118 return(result); 3119 } 3120 #endif 3121
Indexes created Mon Sep 29 18:09:42 GMT 2025