ifconfig.c revision 1.144
1 /* $NetBSD: ifconfig.c,v 1.144 2004/10/11 17:13:55 dsl 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 1.144 2004/10/11 17:13:55 dsl 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 explicit_prefix = 0; 151 u_int vlan_tag = (u_int)-1; 152 153 struct ifcapreq g_ifcr; 154 int g_ifcr_updated; 155 156 void notealias __P((const char *, int)); 157 void notrailers __P((const char *, int)); 158 void setifaddr __P((const char *, int)); 159 void setifdstaddr __P((const char *, int)); 160 void setifflags __P((const char *, int)); 161 void setifcaps __P((const char *, int)); 162 void setifbroadaddr __P((const char *, int)); 163 void setifipdst __P((const char *, int)); 164 void setifmetric __P((const char *, int)); 165 void setifmtu __P((const char *, int)); 166 void setifnwid __P((const char *, int)); 167 void setifnwkey __P((const char *, int)); 168 void setifbssid __P((const char *, int)); 169 void setifchan __P((const char *, int)); 170 void setifpowersave __P((const char *, int)); 171 void setifpowersavesleep __P((const char *, int)); 172 void setifnetmask __P((const char *, int)); 173 void setifprefixlen __P((const char *, int)); 174 void setnsellength __P((const char *, int)); 175 void setsnpaoffset __P((const char *, int)); 176 void setatrange __P((const char *, int)); 177 void setatphase __P((const char *, int)); 178 void settunnel __P((const char *, const char *)); 179 void deletetunnel __P((const char *, int)); 180 #ifdef INET6 181 void setia6flags __P((const char *, int)); 182 void setia6pltime __P((const char *, int)); 183 void setia6vltime __P((const char *, int)); 184 void setia6lifetime __P((const char *, const char *)); 185 void setia6eui64 __P((const char *, int)); 186 #endif 187 void checkatrange __P ((struct sockaddr_at *)); 188 void setmedia __P((const char *, int)); 189 void setmediamode __P((const char *, int)); 190 void setmediaopt __P((const char *, int)); 191 void unsetmediaopt __P((const char *, int)); 192 void setmediainst __P((const char *, int)); 193 void clone_create __P((const char *, int)); 194 void clone_destroy __P((const char *, int)); 195 void fixnsel __P((struct sockaddr_iso *)); 196 void setvlan __P((const char *, int)); 197 void setvlanif __P((const char *, int)); 198 void unsetvlanif __P((const char *, int)); 199 int main __P((int, char *[])); 200 201 /* 202 * Media stuff. Whenever a media command is first performed, the 203 * currently select media is grabbed for this interface. If `media' 204 * is given, the current media word is modifed. `mediaopt' commands 205 * only modify the set and clear words. They then operate on the 206 * current media word later. 207 */ 208 int media_current; 209 int mediaopt_set; 210 int mediaopt_clear; 211 212 int actions; /* Actions performed */ 213 214 #define A_MEDIA 0x0001 /* media command */ 215 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 216 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 217 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 218 #define A_MEDIAINST 0x0008 /* instance or inst command */ 219 #define A_MEDIAMODE 0x0010 /* mode command */ 220 221 #define NEXTARG 0xffffff 222 #define NEXTARG2 0xfffffe 223 224 const struct cmd { 225 const char *c_name; 226 int c_parameter; /* NEXTARG means next argv */ 227 int c_action; /* defered action */ 228 void (*c_func) __P((const char *, int)); 229 void (*c_func2) __P((const char *, const char *)); 230 } cmds[] = { 231 { "up", IFF_UP, 0, setifflags } , 232 { "down", -IFF_UP, 0, setifflags }, 233 { "trailers", -1, 0, notrailers }, 234 { "-trailers", 1, 0, notrailers }, 235 { "arp", -IFF_NOARP, 0, setifflags }, 236 { "-arp", IFF_NOARP, 0, setifflags }, 237 { "debug", IFF_DEBUG, 0, setifflags }, 238 { "-debug", -IFF_DEBUG, 0, setifflags }, 239 { "alias", IFF_UP, 0, notealias }, 240 { "-alias", -IFF_UP, 0, notealias }, 241 { "delete", -IFF_UP, 0, notealias }, 242 #ifdef notdef 243 #define EN_SWABIPS 0x1000 244 { "swabips", EN_SWABIPS, 0, setifflags }, 245 { "-swabips", -EN_SWABIPS, 0, setifflags }, 246 #endif 247 { "netmask", NEXTARG, 0, setifnetmask }, 248 { "metric", NEXTARG, 0, setifmetric }, 249 { "mtu", NEXTARG, 0, setifmtu }, 250 { "bssid", NEXTARG, 0, setifbssid }, 251 { "-bssid", -1, 0, setifbssid }, 252 { "chan", NEXTARG, 0, setifchan }, 253 { "-chan", -1, 0, setifchan }, 254 { "ssid", NEXTARG, 0, setifnwid }, 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 void *af_ridreq; 383 void *af_addreq; 384 } afs[] = { 385 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &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 &in6_ridreq, &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, &addreq, &addreq }, 400 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 401 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 402 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 403 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 404 &iso_ridreq, &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 int ch; 419 420 /* Parse command-line options */ 421 aflag = mflag = vflag = zflag = 0; 422 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 423 #ifdef INET6 424 "L" 425 #endif 426 )) != -1) { 427 switch (ch) { 428 case 'A': 429 warnx("-A is deprecated"); 430 break; 431 432 case 'a': 433 aflag = 1; 434 break; 435 436 case 'b': 437 bflag = 1; 438 break; 439 440 case 'C': 441 Cflag = 1; 442 break; 443 444 case 'd': 445 dflag = 1; 446 break; 447 448 #ifdef INET6 449 case 'L': 450 Lflag = 1; 451 break; 452 #endif 453 454 case 'l': 455 lflag = 1; 456 break; 457 458 case 'm': 459 mflag = 1; 460 break; 461 462 case 's': 463 sflag = 1; 464 break; 465 466 case 'u': 467 uflag = 1; 468 break; 469 470 case 'v': 471 vflag = 1; 472 break; 473 474 case 'z': 475 zflag = 1; 476 break; 477 478 479 default: 480 usage(); 481 /* NOTREACHED */ 482 } 483 } 484 argc -= optind; 485 argv += optind; 486 487 /* 488 * -l means "list all interfaces", and is mutally exclusive with 489 * all other flags/commands. 490 * 491 * -C means "list all names of cloners", and it mutually exclusive 492 * with all other flags/commands. 493 * 494 * -a means "print status of all interfaces". 495 */ 496 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 497 usage(); 498 #ifdef INET6 499 if ((lflag || Cflag) && Lflag) 500 usage(); 501 #endif 502 if (lflag && Cflag) 503 usage(); 504 if (Cflag) { 505 if (argc) 506 usage(); 507 list_cloners(); 508 exit(0); 509 } 510 if (aflag || lflag) { 511 if (argc > 1) 512 usage(); 513 else if (argc == 1) { 514 afp = lookup_af(argv[0]); 515 if (afp == NULL) 516 usage(); 517 } 518 if (afp) 519 af = ifr.ifr_addr.sa_family = afp->af_af; 520 else 521 af = ifr.ifr_addr.sa_family = afs[0].af_af; 522 printall(NULL); 523 exit(0); 524 } 525 526 /* Make sure there's an interface name. */ 527 if (argc < 1) 528 usage(); 529 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 530 errx(1, "interface name '%s' too long", argv[0]); 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 errx(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, &g_ifcr) == -1) 683 err(EXIT_FAILURE, "SIOCSIFCAP"); 684 } 685 686 exit(0); 687 } 688 689 struct afswtch * 690 lookup_af(cp) 691 const char *cp; 692 { 693 struct afswtch *a; 694 695 for (a = afs; a->af_name != NULL; a++) 696 if (strcmp(a->af_name, cp) == 0) 697 return (a); 698 return (NULL); 699 } 700 701 void 702 getsock(naf) 703 int naf; 704 { 705 static int oaf = -1; 706 707 if (oaf == naf) 708 return; 709 if (oaf != -1) 710 close(s); 711 s = socket(naf, SOCK_DGRAM, 0); 712 if (s < 0) 713 oaf = -1; 714 else 715 oaf = naf; 716 } 717 718 int 719 getinfo(giifr) 720 struct ifreq *giifr; 721 { 722 723 getsock(af); 724 if (s < 0) 725 err(EXIT_FAILURE, "socket"); 726 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 727 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 728 return (-1); 729 } 730 flags = giifr->ifr_flags; 731 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 732 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 733 metric = 0; 734 } else 735 metric = giifr->ifr_metric; 736 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 737 mtu = 0; 738 else 739 mtu = giifr->ifr_mtu; 740 741 memset(&g_ifcr, 0, sizeof(g_ifcr)); 742 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 743 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 744 745 return (0); 746 } 747 748 void 749 printall(ifname) 750 const char *ifname; 751 { 752 struct ifaddrs *ifap, *ifa; 753 struct ifreq paifr; 754 const struct sockaddr_dl *sdl = NULL; 755 int idx; 756 char *p; 757 758 if (getifaddrs(&ifap) != 0) 759 err(EXIT_FAILURE, "getifaddrs"); 760 p = NULL; 761 idx = 0; 762 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 763 memset(&paifr, 0, sizeof(paifr)); 764 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 765 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 766 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 767 ifa->ifa_addr->sa_len); 768 } 769 770 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 771 continue; 772 if (ifa->ifa_addr->sa_family == AF_LINK) 773 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 774 if (p && strcmp(p, ifa->ifa_name) == 0) 775 continue; 776 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 777 continue; 778 p = ifa->ifa_name; 779 780 if (getinfo(&paifr) < 0) 781 continue; 782 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 783 continue; 784 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 785 continue; 786 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 787 continue; 788 789 if (sflag && carrier()) 790 continue; 791 idx++; 792 /* 793 * Are we just listing the interfaces? 794 */ 795 if (lflag) { 796 if (idx > 1) 797 putchar(' '); 798 fputs(name, stdout); 799 continue; 800 } 801 802 status(sdl); 803 sdl = NULL; 804 } 805 if (lflag) 806 putchar('\n'); 807 freeifaddrs(ifap); 808 } 809 810 void 811 list_cloners(void) 812 { 813 struct if_clonereq ifcr; 814 char *cp, *buf; 815 int idx; 816 817 memset(&ifcr, 0, sizeof(ifcr)); 818 819 getsock(AF_INET); 820 821 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 822 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 823 824 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 825 if (buf == NULL) 826 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 827 828 ifcr.ifcr_count = ifcr.ifcr_total; 829 ifcr.ifcr_buffer = buf; 830 831 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 832 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 833 834 /* 835 * In case some disappeared in the mean time, clamp it down. 836 */ 837 if (ifcr.ifcr_count > ifcr.ifcr_total) 838 ifcr.ifcr_count = ifcr.ifcr_total; 839 840 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 841 if (idx > 0) 842 putchar(' '); 843 printf("%s", cp); 844 } 845 846 putchar('\n'); 847 free(buf); 848 return; 849 } 850 851 /*ARGSUSED*/ 852 void 853 clone_create(addr, param) 854 const char *addr; 855 int param; 856 { 857 858 /* We're called early... */ 859 getsock(AF_INET); 860 861 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 862 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 863 err(EXIT_FAILURE, "SIOCIFCREATE"); 864 } 865 866 /*ARGSUSED*/ 867 void 868 clone_destroy(addr, param) 869 const char *addr; 870 int param; 871 { 872 873 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 874 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 875 err(EXIT_FAILURE, "SIOCIFDESTROY"); 876 } 877 878 #define RIDADDR 0 879 #define ADDR 1 880 #define MASK 2 881 #define DSTADDR 3 882 883 /*ARGSUSED*/ 884 void 885 setifaddr(addr, param) 886 const char *addr; 887 int param; 888 { 889 struct ifreq *siifr; /* XXX */ 890 891 /* 892 * Delay the ioctl to set the interface addr until flags are all set. 893 * The address interpretation may depend on the flags, 894 * and the flags may change when the address is set. 895 */ 896 setaddr++; 897 if (newaddr == -1) 898 newaddr = 1; 899 if (doalias == 0 && afp->af_gifaddr != 0) { 900 siifr = (struct ifreq *)afp->af_ridreq; 901 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 902 siifr->ifr_addr.sa_family = afp->af_af; 903 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 904 clearaddr = 1; 905 else if (errno == EADDRNOTAVAIL) 906 /* No address was assigned yet. */ 907 ; 908 else 909 err(EXIT_FAILURE, "SIOCGIFADDR"); 910 } 911 912 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 913 } 914 915 void 916 settunnel(src, dst) 917 const char *src, *dst; 918 { 919 struct addrinfo hints, *srcres, *dstres; 920 int ecode; 921 struct if_laddrreq req; 922 923 memset(&hints, 0, sizeof(hints)); 924 hints.ai_family = afp->af_af; 925 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 926 927 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 928 errx(EXIT_FAILURE, "error in parsing address string: %s", 929 gai_strerror(ecode)); 930 931 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 932 errx(EXIT_FAILURE, "error in parsing address string: %s", 933 gai_strerror(ecode)); 934 935 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 936 errx(EXIT_FAILURE, 937 "source and destination address families do not match"); 938 939 if (srcres->ai_addrlen > sizeof(req.addr) || 940 dstres->ai_addrlen > sizeof(req.dstaddr)) 941 errx(EXIT_FAILURE, "invalid sockaddr"); 942 943 memset(&req, 0, sizeof(req)); 944 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 945 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 946 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 947 948 #ifdef INET6 949 if (req.addr.ss_family == AF_INET6) { 950 struct sockaddr_in6 *s6, *d; 951 952 s6 = (struct sockaddr_in6 *)&req.addr; 953 d = (struct sockaddr_in6 *)&req.dstaddr; 954 if (s6->sin6_scope_id != d->sin6_scope_id) { 955 errx(EXIT_FAILURE, "scope mismatch"); 956 /* NOTREACHED */ 957 } 958 #ifdef __KAME__ 959 /* embed scopeid */ 960 if (s6->sin6_scope_id && 961 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 962 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 963 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 964 htons(s6->sin6_scope_id); 965 } 966 if (d->sin6_scope_id && 967 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 968 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 969 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 970 htons(d->sin6_scope_id); 971 } 972 #endif 973 } 974 #endif 975 976 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 977 warn("SIOCSLIFPHYADDR"); 978 979 freeaddrinfo(srcres); 980 freeaddrinfo(dstres); 981 } 982 983 /* ARGSUSED */ 984 void 985 deletetunnel(vname, param) 986 const char *vname; 987 int param; 988 { 989 990 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 991 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 992 } 993 994 void setvlan(val, d) 995 const char *val; 996 int d; 997 { 998 struct vlanreq vlr; 999 1000 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1001 !isdigit(ifr.ifr_name[4])) 1002 errx(EXIT_FAILURE, 1003 "``vlan'' valid only with vlan(4) interfaces"); 1004 1005 vlan_tag = atoi(val); 1006 1007 memset(&vlr, 0, sizeof(vlr)); 1008 ifr.ifr_data = (void *)&vlr; 1009 1010 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1011 err(EXIT_FAILURE, "SIOCGETVLAN"); 1012 1013 vlr.vlr_tag = vlan_tag; 1014 1015 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1016 err(EXIT_FAILURE, "SIOCSETVLAN"); 1017 } 1018 1019 void setvlanif(val, d) 1020 const char *val; 1021 int d; 1022 { 1023 struct vlanreq vlr; 1024 1025 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1026 !isdigit(ifr.ifr_name[4])) 1027 errx(EXIT_FAILURE, 1028 "``vlanif'' valid only with vlan(4) interfaces"); 1029 1030 if (vlan_tag == (u_int)-1) 1031 errx(EXIT_FAILURE, 1032 "must specify both ``vlan'' and ``vlanif''"); 1033 1034 memset(&vlr, 0, sizeof(vlr)); 1035 ifr.ifr_data = (void *)&vlr; 1036 1037 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1038 err(EXIT_FAILURE, "SIOCGETVLAN"); 1039 1040 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1041 vlr.vlr_tag = vlan_tag; 1042 1043 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1044 err(EXIT_FAILURE, "SIOCSETVLAN"); 1045 } 1046 1047 void unsetvlanif(val, d) 1048 const char *val; 1049 int d; 1050 { 1051 struct vlanreq vlr; 1052 1053 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1054 !isdigit(ifr.ifr_name[4])) 1055 errx(EXIT_FAILURE, 1056 "``vlanif'' valid only with vlan(4) interfaces"); 1057 1058 memset(&vlr, 0, sizeof(vlr)); 1059 ifr.ifr_data = (void *)&vlr; 1060 1061 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1062 err(EXIT_FAILURE, "SIOCGETVLAN"); 1063 1064 vlr.vlr_parent[0] = '\0'; 1065 vlr.vlr_tag = 0; 1066 1067 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1068 err(EXIT_FAILURE, "SIOCSETVLAN"); 1069 } 1070 1071 void 1072 setifnetmask(addr, d) 1073 const char *addr; 1074 int d; 1075 { 1076 (*afp->af_getaddr)(addr, MASK); 1077 } 1078 1079 void 1080 setifbroadaddr(addr, d) 1081 const char *addr; 1082 int d; 1083 { 1084 (*afp->af_getaddr)(addr, DSTADDR); 1085 } 1086 1087 void 1088 setifipdst(addr, d) 1089 const char *addr; 1090 int d; 1091 { 1092 in_getaddr(addr, DSTADDR); 1093 setipdst++; 1094 clearaddr = 0; 1095 newaddr = 0; 1096 } 1097 1098 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1099 /*ARGSUSED*/ 1100 void 1101 notealias(addr, param) 1102 const char *addr; 1103 int param; 1104 { 1105 if (setaddr && doalias == 0 && param < 0) 1106 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1107 rqtosa(af_addreq)->sa_len); 1108 doalias = param; 1109 if (param < 0) { 1110 clearaddr = 1; 1111 newaddr = 0; 1112 conflicting++; 1113 } else { 1114 clearaddr = 0; 1115 conflicting++; 1116 } 1117 } 1118 1119 /*ARGSUSED*/ 1120 void 1121 notrailers(vname, value) 1122 const char *vname; 1123 int value; 1124 { 1125 puts("Note: trailers are no longer sent, but always received"); 1126 } 1127 1128 /*ARGSUSED*/ 1129 void 1130 setifdstaddr(addr, param) 1131 const char *addr; 1132 int param; 1133 { 1134 (*afp->af_getaddr)(addr, DSTADDR); 1135 } 1136 1137 void 1138 setifflags(vname, value) 1139 const char *vname; 1140 int value; 1141 { 1142 struct ifreq ifreq; 1143 1144 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1145 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1146 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1147 flags = ifreq.ifr_flags; 1148 1149 if (value < 0) { 1150 value = -value; 1151 flags &= ~value; 1152 } else 1153 flags |= value; 1154 ifreq.ifr_flags = flags; 1155 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1156 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1157 } 1158 1159 void 1160 setifcaps(vname, value) 1161 const char *vname; 1162 int value; 1163 { 1164 1165 if (value < 0) { 1166 value = -value; 1167 g_ifcr.ifcr_capenable &= ~value; 1168 } else 1169 g_ifcr.ifcr_capenable |= value; 1170 1171 g_ifcr_updated = 1; 1172 } 1173 1174 #ifdef INET6 1175 void 1176 setia6flags(vname, value) 1177 const char *vname; 1178 int value; 1179 { 1180 1181 if (value < 0) { 1182 value = -value; 1183 in6_addreq.ifra_flags &= ~value; 1184 } else 1185 in6_addreq.ifra_flags |= value; 1186 } 1187 1188 void 1189 setia6pltime(val, d) 1190 const char *val; 1191 int d; 1192 { 1193 1194 setia6lifetime("pltime", val); 1195 } 1196 1197 void 1198 setia6vltime(val, d) 1199 const char *val; 1200 int d; 1201 { 1202 1203 setia6lifetime("vltime", val); 1204 } 1205 1206 void 1207 setia6lifetime(cmd, val) 1208 const char *cmd; 1209 const char *val; 1210 { 1211 time_t newval, t; 1212 char *ep; 1213 1214 t = time(NULL); 1215 newval = (time_t)strtoul(val, &ep, 0); 1216 if (val == ep) 1217 errx(EXIT_FAILURE, "invalid %s", cmd); 1218 if (afp->af_af != AF_INET6) 1219 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1220 if (strcmp(cmd, "vltime") == 0) { 1221 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1222 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1223 } else if (strcmp(cmd, "pltime") == 0) { 1224 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1225 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1226 } 1227 } 1228 1229 void 1230 setia6eui64(cmd, val) 1231 const char *cmd; 1232 int val; 1233 { 1234 struct ifaddrs *ifap, *ifa; 1235 const struct sockaddr_in6 *sin6 = NULL; 1236 const struct in6_addr *lladdr = NULL; 1237 struct in6_addr *in6; 1238 1239 if (afp->af_af != AF_INET6) 1240 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1241 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1242 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1243 errx(EXIT_FAILURE, "interface index is already filled"); 1244 if (getifaddrs(&ifap) != 0) 1245 err(EXIT_FAILURE, "getifaddrs"); 1246 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1247 if (ifa->ifa_addr->sa_family == AF_INET6 && 1248 strcmp(ifa->ifa_name, name) == 0) { 1249 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1250 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1251 lladdr = &sin6->sin6_addr; 1252 break; 1253 } 1254 } 1255 } 1256 if (!lladdr) 1257 errx(EXIT_FAILURE, "could not determine link local address"); 1258 1259 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1260 1261 freeifaddrs(ifap); 1262 } 1263 #endif 1264 1265 void 1266 setifmetric(val, d) 1267 const char *val; 1268 int d; 1269 { 1270 char *ep = NULL; 1271 1272 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1273 ifr.ifr_metric = strtoul(val, &ep, 10); 1274 if (!ep || *ep) 1275 errx(EXIT_FAILURE, "%s: invalid metric", val); 1276 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1277 warn("SIOCSIFMETRIC"); 1278 } 1279 1280 void 1281 setifmtu(val, d) 1282 const char *val; 1283 int d; 1284 { 1285 char *ep = NULL; 1286 1287 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1288 ifr.ifr_mtu = strtoul(val, &ep, 10); 1289 if (!ep || *ep) 1290 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1291 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1292 warn("SIOCSIFMTU"); 1293 } 1294 1295 const char * 1296 get_string(val, sep, buf, lenp) 1297 const char *val, *sep; 1298 u_int8_t *buf; 1299 int *lenp; 1300 { 1301 int len; 1302 int hexstr; 1303 u_int8_t *p; 1304 1305 len = *lenp; 1306 p = buf; 1307 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1308 if (hexstr) 1309 val += 2; 1310 for (;;) { 1311 if (*val == '\0') 1312 break; 1313 if (sep != NULL && strchr(sep, *val) != NULL) { 1314 val++; 1315 break; 1316 } 1317 if (hexstr) { 1318 if (!isxdigit((u_char)val[0]) || 1319 !isxdigit((u_char)val[1])) { 1320 warnx("bad hexadecimal digits"); 1321 return NULL; 1322 } 1323 } 1324 if (p > buf + len) { 1325 if (hexstr) 1326 warnx("hexadecimal digits too long"); 1327 else 1328 warnx("strings too long"); 1329 return NULL; 1330 } 1331 if (hexstr) { 1332 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1333 *p++ = (tohex((u_char)val[0]) << 4) | 1334 tohex((u_char)val[1]); 1335 #undef tohex 1336 val += 2; 1337 } else 1338 *p++ = *val++; 1339 } 1340 len = p - buf; 1341 if (len < *lenp) 1342 memset(p, 0, *lenp - len); 1343 *lenp = len; 1344 return val; 1345 } 1346 1347 void 1348 print_string(buf, len) 1349 const u_int8_t *buf; 1350 int len; 1351 { 1352 int i; 1353 int hasspc; 1354 1355 i = 0; 1356 hasspc = 0; 1357 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1358 for (; i < len; i++) { 1359 if (!isprint(buf[i])) 1360 break; 1361 if (isspace(buf[i])) 1362 hasspc++; 1363 } 1364 } 1365 if (i == len) { 1366 if (hasspc || len == 0) 1367 printf("\"%.*s\"", len, buf); 1368 else 1369 printf("%.*s", len, buf); 1370 } else { 1371 printf("0x"); 1372 for (i = 0; i < len; i++) 1373 printf("%02x", buf[i]); 1374 } 1375 } 1376 1377 void 1378 setifnwid(val, d) 1379 const char *val; 1380 int d; 1381 { 1382 struct ieee80211_nwid nwid; 1383 int len; 1384 1385 len = sizeof(nwid.i_nwid); 1386 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1387 return; 1388 nwid.i_len = len; 1389 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1390 ifr.ifr_data = (void *)&nwid; 1391 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1392 warn("SIOCS80211NWID"); 1393 } 1394 1395 void 1396 setifbssid(val, d) 1397 const char *val; 1398 int d; 1399 { 1400 struct ieee80211_bssid bssid; 1401 struct ether_addr *ea; 1402 1403 if (d != 0) { 1404 /* no BSSID is especially desired */ 1405 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1406 } else { 1407 ea = ether_aton(val); 1408 if (ea == NULL) { 1409 warnx("malformed BSSID: %s", val); 1410 return; 1411 } 1412 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1413 sizeof(bssid.i_bssid)); 1414 } 1415 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1416 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1417 warn("SIOCS80211BSSID"); 1418 } 1419 1420 void 1421 setifchan(val, d) 1422 const char *val; 1423 int d; 1424 { 1425 struct ieee80211chanreq channel; 1426 int chan; 1427 1428 if (d != 0) 1429 chan = IEEE80211_CHAN_ANY; 1430 else { 1431 chan = atoi(val); 1432 if (chan < 0 || chan > 0xffff) { 1433 warnx("invalid channel: %s", val); 1434 return; 1435 } 1436 } 1437 1438 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1439 channel.i_channel = (u_int16_t) chan; 1440 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1441 warn("SIOCS80211CHANNEL"); 1442 } 1443 1444 void 1445 setifnwkey(val, d) 1446 const char *val; 1447 int d; 1448 { 1449 struct ieee80211_nwkey nwkey; 1450 int i; 1451 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1452 1453 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1454 nwkey.i_defkid = 1; 1455 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1456 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1457 nwkey.i_key[i].i_keydat = keybuf[i]; 1458 } 1459 if (d != 0) { 1460 /* disable WEP encryption */ 1461 nwkey.i_wepon = 0; 1462 i = 0; 1463 } else if (strcasecmp("persist", val) == 0) { 1464 /* use all values from persistent memory */ 1465 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1466 nwkey.i_defkid = 0; 1467 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1468 nwkey.i_key[i].i_keylen = -1; 1469 } else if (strncasecmp("persist:", val, 8) == 0) { 1470 val += 8; 1471 /* program keys in persistent memory */ 1472 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1473 goto set_nwkey; 1474 } else { 1475 set_nwkey: 1476 if (isdigit(val[0]) && val[1] == ':') { 1477 /* specifying a full set of four keys */ 1478 nwkey.i_defkid = val[0] - '0'; 1479 val += 2; 1480 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1481 val = get_string(val, ",", keybuf[i], 1482 &nwkey.i_key[i].i_keylen); 1483 if (val == NULL) 1484 return; 1485 } 1486 if (*val != '\0') { 1487 warnx("SIOCS80211NWKEY: too many keys."); 1488 return; 1489 } 1490 } else { 1491 val = get_string(val, NULL, keybuf[0], 1492 &nwkey.i_key[0].i_keylen); 1493 if (val == NULL) 1494 return; 1495 i = 1; 1496 } 1497 } 1498 for (; i < IEEE80211_WEP_NKID; i++) 1499 nwkey.i_key[i].i_keylen = 0; 1500 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1501 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1502 warn("SIOCS80211NWKEY"); 1503 } 1504 1505 void 1506 setifpowersave(val, d) 1507 const char *val; 1508 int d; 1509 { 1510 struct ieee80211_power power; 1511 1512 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1513 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1514 warn("SIOCG80211POWER"); 1515 return; 1516 } 1517 1518 power.i_enabled = d; 1519 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1520 warn("SIOCS80211POWER"); 1521 } 1522 1523 void 1524 setifpowersavesleep(val, d) 1525 const char *val; 1526 int d; 1527 { 1528 struct ieee80211_power power; 1529 1530 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1531 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1532 warn("SIOCG80211POWER"); 1533 return; 1534 } 1535 1536 power.i_maxsleep = atoi(val); 1537 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1538 warn("SIOCS80211POWER"); 1539 } 1540 1541 void 1542 ieee80211_status() 1543 { 1544 int i, nwkey_verbose; 1545 struct ieee80211_nwid nwid; 1546 struct ieee80211_nwkey nwkey; 1547 struct ieee80211_power power; 1548 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1549 struct ieee80211_bssid bssid; 1550 struct ieee80211chanreq channel; 1551 struct ether_addr ea; 1552 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1553 1554 memset(&ifr, 0, sizeof(ifr)); 1555 ifr.ifr_data = (void *)&nwid; 1556 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1557 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1558 return; 1559 if (nwid.i_len > IEEE80211_NWID_LEN) { 1560 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1561 return; 1562 } 1563 printf("\tssid "); 1564 print_string(nwid.i_nwid, nwid.i_len); 1565 memset(&nwkey, 0, sizeof(nwkey)); 1566 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1567 /* show nwkey only when WEP is enabled */ 1568 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1569 nwkey.i_wepon == 0) { 1570 printf("\n"); 1571 goto skip_wep; 1572 } 1573 1574 printf(" nwkey "); 1575 /* try to retrieve WEP keys */ 1576 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1577 nwkey.i_key[i].i_keydat = keybuf[i]; 1578 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1579 } 1580 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1581 printf("*****"); 1582 } else { 1583 nwkey_verbose = 0; 1584 /* check to see non default key or multiple keys defined */ 1585 if (nwkey.i_defkid != 1) { 1586 nwkey_verbose = 1; 1587 } else { 1588 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1589 if (nwkey.i_key[i].i_keylen != 0) { 1590 nwkey_verbose = 1; 1591 break; 1592 } 1593 } 1594 } 1595 /* check extra ambiguity with keywords */ 1596 if (!nwkey_verbose) { 1597 if (nwkey.i_key[0].i_keylen >= 2 && 1598 isdigit(nwkey.i_key[0].i_keydat[0]) && 1599 nwkey.i_key[0].i_keydat[1] == ':') 1600 nwkey_verbose = 1; 1601 else if (nwkey.i_key[0].i_keylen >= 7 && 1602 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1603 == 0) 1604 nwkey_verbose = 1; 1605 } 1606 if (nwkey_verbose) 1607 printf("%d:", nwkey.i_defkid); 1608 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1609 if (i > 0) 1610 printf(","); 1611 if (nwkey.i_key[i].i_keylen < 0) 1612 printf("persist"); 1613 else 1614 print_string(nwkey.i_key[i].i_keydat, 1615 nwkey.i_key[i].i_keylen); 1616 if (!nwkey_verbose) 1617 break; 1618 } 1619 } 1620 printf("\n"); 1621 1622 skip_wep: 1623 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1624 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1625 goto skip_power; 1626 printf("\tpowersave "); 1627 if (power.i_enabled) 1628 printf("on (%dms sleep)", power.i_maxsleep); 1629 else 1630 printf("off"); 1631 printf("\n"); 1632 1633 skip_power: 1634 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1635 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1636 return; 1637 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1638 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1639 return; 1640 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1641 if (channel.i_channel != (u_int16_t)-1) 1642 printf("\tchan %d\n", channel.i_channel); 1643 } else { 1644 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1645 sizeof(ea.ether_addr_octet)); 1646 printf("\tbssid %s", ether_ntoa(&ea)); 1647 if (channel.i_channel != IEEE80211_CHAN_ANY) 1648 printf(" chan %d", channel.i_channel); 1649 printf("\n"); 1650 } 1651 } 1652 1653 void 1654 init_current_media() 1655 { 1656 struct ifmediareq ifmr; 1657 1658 /* 1659 * If we have not yet done so, grab the currently-selected 1660 * media. 1661 */ 1662 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1663 (void) memset(&ifmr, 0, sizeof(ifmr)); 1664 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1665 1666 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1667 /* 1668 * If we get E2BIG, the kernel is telling us 1669 * that there are more, so we can ignore it. 1670 */ 1671 if (errno != E2BIG) 1672 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1673 } 1674 1675 media_current = ifmr.ifm_current; 1676 } 1677 1678 /* Sanity. */ 1679 if (IFM_TYPE(media_current) == 0) 1680 errx(EXIT_FAILURE, "%s: no link type?", name); 1681 } 1682 1683 void 1684 process_media_commands() 1685 { 1686 1687 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1688 /* Nothing to do. */ 1689 return; 1690 } 1691 1692 /* 1693 * Media already set up, and commands sanity-checked. Set/clear 1694 * any options, and we're ready to go. 1695 */ 1696 media_current |= mediaopt_set; 1697 media_current &= ~mediaopt_clear; 1698 1699 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1700 ifr.ifr_media = media_current; 1701 1702 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1703 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1704 } 1705 1706 void 1707 setmedia(val, d) 1708 const char *val; 1709 int d; 1710 { 1711 int type, subtype, inst; 1712 1713 init_current_media(); 1714 1715 /* Only one media command may be given. */ 1716 if (actions & A_MEDIA) 1717 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1718 1719 /* Must not come after mode commands */ 1720 if (actions & A_MEDIAMODE) 1721 errx(EXIT_FAILURE, 1722 "may not issue `media' after `mode' commands"); 1723 1724 /* Must not come after mediaopt commands */ 1725 if (actions & A_MEDIAOPT) 1726 errx(EXIT_FAILURE, 1727 "may not issue `media' after `mediaopt' commands"); 1728 1729 /* 1730 * No need to check if `instance' has been issued; setmediainst() 1731 * craps out if `media' has not been specified. 1732 */ 1733 1734 type = IFM_TYPE(media_current); 1735 inst = IFM_INST(media_current); 1736 1737 /* Look up the subtype. */ 1738 subtype = get_media_subtype(type, val); 1739 1740 /* Build the new current media word. */ 1741 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1742 1743 /* Media will be set after other processing is complete. */ 1744 } 1745 1746 void 1747 setmediaopt(val, d) 1748 const char *val; 1749 int d; 1750 { 1751 1752 init_current_media(); 1753 1754 /* Can only issue `mediaopt' once. */ 1755 if (actions & A_MEDIAOPTSET) 1756 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1757 1758 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1759 if (actions & A_MEDIAINST) 1760 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1761 1762 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1763 1764 /* Media will be set after other processing is complete. */ 1765 } 1766 1767 void 1768 unsetmediaopt(val, d) 1769 const char *val; 1770 int d; 1771 { 1772 1773 init_current_media(); 1774 1775 /* Can only issue `-mediaopt' once. */ 1776 if (actions & A_MEDIAOPTCLR) 1777 errx(EXIT_FAILURE, 1778 "only one `-mediaopt' command may be issued"); 1779 1780 /* May not issue `media' and `-mediaopt'. */ 1781 if (actions & A_MEDIA) 1782 errx(EXIT_FAILURE, 1783 "may not issue both `media' and `-mediaopt'"); 1784 1785 /* 1786 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1787 * implicitly checks for A_MEDIAINST. 1788 */ 1789 1790 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1791 1792 /* Media will be set after other processing is complete. */ 1793 } 1794 1795 void 1796 setmediainst(val, d) 1797 const char *val; 1798 int d; 1799 { 1800 int type, subtype, options, inst; 1801 1802 init_current_media(); 1803 1804 /* Can only issue `instance' once. */ 1805 if (actions & A_MEDIAINST) 1806 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1807 1808 /* Must have already specified `media' */ 1809 if ((actions & A_MEDIA) == 0) 1810 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1811 1812 type = IFM_TYPE(media_current); 1813 subtype = IFM_SUBTYPE(media_current); 1814 options = IFM_OPTIONS(media_current); 1815 1816 inst = atoi(val); 1817 if (inst < 0 || inst > IFM_INST_MAX) 1818 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1819 1820 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1821 1822 /* Media will be set after other processing is complete. */ 1823 } 1824 1825 void 1826 setmediamode(val, d) 1827 const char *val; 1828 int d; 1829 { 1830 int type, subtype, options, inst, mode; 1831 1832 init_current_media(); 1833 1834 /* Can only issue `mode' once. */ 1835 if (actions & A_MEDIAMODE) 1836 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1837 1838 type = IFM_TYPE(media_current); 1839 subtype = IFM_SUBTYPE(media_current); 1840 options = IFM_OPTIONS(media_current); 1841 inst = IFM_INST(media_current); 1842 1843 if ((mode = get_media_mode(type, val)) == -1) 1844 errx(EXIT_FAILURE, "invalid media mode: %s", val); 1845 1846 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1847 1848 /* Media will be set after other processing is complete. */ 1849 } 1850 1851 struct ifmedia_description ifm_mode_descriptions[] = 1852 IFM_MODE_DESCRIPTIONS; 1853 1854 struct ifmedia_description ifm_type_descriptions[] = 1855 IFM_TYPE_DESCRIPTIONS; 1856 1857 struct ifmedia_description ifm_subtype_descriptions[] = 1858 IFM_SUBTYPE_DESCRIPTIONS; 1859 1860 struct ifmedia_description ifm_option_descriptions[] = 1861 IFM_OPTION_DESCRIPTIONS; 1862 1863 const char * 1864 get_media_type_string(mword) 1865 int mword; 1866 { 1867 struct ifmedia_description *desc; 1868 1869 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1870 desc++) { 1871 if (IFM_TYPE(mword) == desc->ifmt_word) 1872 return (desc->ifmt_string); 1873 } 1874 return ("<unknown type>"); 1875 } 1876 1877 const char * 1878 get_media_subtype_string(mword) 1879 int mword; 1880 { 1881 struct ifmedia_description *desc; 1882 1883 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1884 desc++) { 1885 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1886 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1887 return (desc->ifmt_string); 1888 } 1889 return ("<unknown subtype>"); 1890 } 1891 1892 int 1893 get_media_mode(type, val) 1894 int type; 1895 const char *val; 1896 { 1897 int rval; 1898 1899 rval = lookup_media_word(ifm_mode_descriptions, type, val); 1900 if (rval == -1) 1901 errx(EXIT_FAILURE, "unknown %s media mode: %s", 1902 get_media_type_string(type), val); 1903 1904 return (rval); 1905 } 1906 1907 int 1908 get_media_subtype(type, val) 1909 int type; 1910 const char *val; 1911 { 1912 int rval; 1913 1914 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1915 if (rval == -1) 1916 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1917 get_media_type_string(type), val); 1918 1919 return (rval); 1920 } 1921 1922 int 1923 get_media_options(type, val) 1924 int type; 1925 const char *val; 1926 { 1927 char *optlist, *str; 1928 int option, rval = 0; 1929 1930 /* We muck with the string, so copy it. */ 1931 optlist = strdup(val); 1932 if (optlist == NULL) 1933 err(EXIT_FAILURE, "strdup"); 1934 str = optlist; 1935 1936 /* 1937 * Look up the options in the user-provided comma-separated list. 1938 */ 1939 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1940 option = lookup_media_word(ifm_option_descriptions, type, str); 1941 if (option == -1) 1942 errx(EXIT_FAILURE, "unknown %s media option: %s", 1943 get_media_type_string(type), str); 1944 rval |= IFM_OPTIONS(option); 1945 } 1946 1947 free(optlist); 1948 return (rval); 1949 } 1950 1951 int 1952 lookup_media_word(desc, type, val) 1953 struct ifmedia_description *desc; 1954 int type; 1955 const char *val; 1956 { 1957 1958 for (; desc->ifmt_string != NULL; desc++) { 1959 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1960 strcasecmp(desc->ifmt_string, val) == 0) 1961 return (desc->ifmt_word); 1962 } 1963 return (-1); 1964 } 1965 1966 void 1967 print_media_word(ifmw, print_type, as_syntax) 1968 int ifmw, print_type, as_syntax; 1969 { 1970 struct ifmedia_description *desc; 1971 int seen_option = 0; 1972 1973 if (print_type) 1974 printf("%s ", get_media_type_string(ifmw)); 1975 printf("%s%s", as_syntax ? "media " : "", 1976 get_media_subtype_string(ifmw)); 1977 1978 /* Find mode. */ 1979 if (IFM_MODE(ifmw) != 0) { 1980 for (desc = ifm_mode_descriptions; desc->ifmt_string != NULL; 1981 desc++) { 1982 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1983 IFM_MODE(ifmw) == IFM_MODE(desc->ifmt_word)) { 1984 printf(" mode %s", desc->ifmt_string); 1985 break; 1986 } 1987 } 1988 } 1989 1990 /* Find options. */ 1991 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1992 desc++) { 1993 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1994 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1995 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1996 if (seen_option == 0) 1997 printf(" %s", as_syntax ? "mediaopt " : ""); 1998 printf("%s%s", seen_option ? "," : "", 1999 desc->ifmt_string); 2000 seen_option |= IFM_OPTIONS(desc->ifmt_word); 2001 } 2002 } 2003 if (IFM_INST(ifmw) != 0) 2004 printf(" instance %d", IFM_INST(ifmw)); 2005 } 2006 2007 int carrier() 2008 { 2009 struct ifmediareq ifmr; 2010 2011 (void) memset(&ifmr, 0, sizeof(ifmr)); 2012 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2013 2014 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 2015 /* 2016 * Interface doesn't support SIOC{G,S}IFMEDIA; 2017 * assume ok. 2018 */ 2019 return 0; 2020 } 2021 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 2022 /* 2023 * Interface doesn't report media-valid status. 2024 * assume ok. 2025 */ 2026 return 0; 2027 } 2028 /* otherwise, return ok for active, not-ok if not active. */ 2029 return !(ifmr.ifm_status & IFM_ACTIVE); 2030 } 2031 2032 2033 #define IFFBITS \ 2034 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 2035 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 2036 2037 #define IFCAPBITS \ 2038 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 2039 2040 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 2041 2042 const struct ifmedia_status_description ifm_status_descriptions[] = 2043 IFM_STATUS_DESCRIPTIONS; 2044 2045 /* 2046 * Print the status of the interface. If an address family was 2047 * specified, show it and it only; otherwise, show them all. 2048 */ 2049 void 2050 status(sdl) 2051 const struct sockaddr_dl *sdl; 2052 { 2053 struct afswtch *p = afp; 2054 struct ifmediareq ifmr; 2055 struct ifdatareq ifdr; 2056 int *media_list, i; 2057 char hbuf[NI_MAXHOST]; 2058 char fbuf[BUFSIZ]; 2059 2060 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 2061 printf("%s: flags=%s", name, &fbuf[2]); 2062 if (metric) 2063 printf(" metric %lu", metric); 2064 if (mtu) 2065 printf(" mtu %lu", mtu); 2066 putchar('\n'); 2067 2068 if (g_ifcr.ifcr_capabilities) { 2069 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2070 g_ifcr.ifcr_capabilities); 2071 printf("\tcapabilities=%s\n", &fbuf[2]); 2072 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2073 g_ifcr.ifcr_capenable); 2074 printf("\tenabled=%s\n", &fbuf[2]); 2075 } 2076 2077 ieee80211_status(); 2078 vlan_status(); 2079 tunnel_status(); 2080 2081 if (sdl != NULL && 2082 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2083 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2084 hbuf[0] != '\0') 2085 printf("\taddress: %s\n", hbuf); 2086 2087 (void) memset(&ifmr, 0, sizeof(ifmr)); 2088 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2089 2090 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 2091 /* 2092 * Interface doesn't support SIOC{G,S}IFMEDIA. 2093 */ 2094 goto iface_stats; 2095 } 2096 2097 if (ifmr.ifm_count == 0) { 2098 warnx("%s: no media types?", name); 2099 goto iface_stats; 2100 } 2101 2102 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2103 if (media_list == NULL) 2104 err(EXIT_FAILURE, "malloc"); 2105 ifmr.ifm_ulist = media_list; 2106 2107 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 2108 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2109 2110 printf("\tmedia: "); 2111 print_media_word(ifmr.ifm_current, 1, 0); 2112 if (ifmr.ifm_active != ifmr.ifm_current) { 2113 putchar(' '); 2114 putchar('('); 2115 print_media_word(ifmr.ifm_active, 0, 0); 2116 putchar(')'); 2117 } 2118 putchar('\n'); 2119 2120 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2121 const struct ifmedia_status_description *ifms; 2122 int bitno, found = 0; 2123 2124 printf("\tstatus: "); 2125 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2126 for (ifms = ifm_status_descriptions; 2127 ifms->ifms_valid != 0; ifms++) { 2128 if (ifms->ifms_type != 2129 IFM_TYPE(ifmr.ifm_current) || 2130 ifms->ifms_valid != 2131 ifm_status_valid_list[bitno]) 2132 continue; 2133 printf("%s%s", found ? ", " : "", 2134 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2135 found = 1; 2136 2137 /* 2138 * For each valid indicator bit, there's 2139 * only one entry for each media type, so 2140 * terminate the inner loop now. 2141 */ 2142 break; 2143 } 2144 } 2145 2146 if (found == 0) 2147 printf("unknown"); 2148 putchar('\n'); 2149 } 2150 2151 if (mflag) { 2152 int type, printed_type; 2153 2154 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2155 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2156 if (IFM_TYPE(media_list[i]) == type) { 2157 if (printed_type == 0) { 2158 printf("\tsupported %s media:\n", 2159 get_media_type_string(type)); 2160 printed_type = 1; 2161 } 2162 printf("\t\t"); 2163 print_media_word(media_list[i], 0, 1); 2164 printf("\n"); 2165 } 2166 } 2167 } 2168 } 2169 2170 free(media_list); 2171 2172 iface_stats: 2173 if (!vflag && !zflag) 2174 goto proto_status; 2175 2176 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2177 2178 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 2179 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2180 } else { 2181 struct if_data * const ifi = &ifdr.ifdr_data; 2182 #define PLURAL(n) ((n) == 1 ? "" : "s") 2183 printf("\tinput: %llu packet%s, %llu byte%s", 2184 (unsigned long long) ifi->ifi_ipackets, 2185 PLURAL(ifi->ifi_ipackets), 2186 (unsigned long long) ifi->ifi_ibytes, 2187 PLURAL(ifi->ifi_ibytes)); 2188 if (ifi->ifi_imcasts) 2189 printf(", %llu multicast%s", 2190 (unsigned long long) ifi->ifi_imcasts, 2191 PLURAL(ifi->ifi_imcasts)); 2192 if (ifi->ifi_ierrors) 2193 printf(", %llu error%s", 2194 (unsigned long long) ifi->ifi_ierrors, 2195 PLURAL(ifi->ifi_ierrors)); 2196 if (ifi->ifi_iqdrops) 2197 printf(", %llu queue drop%s", 2198 (unsigned long long) ifi->ifi_iqdrops, 2199 PLURAL(ifi->ifi_iqdrops)); 2200 if (ifi->ifi_noproto) 2201 printf(", %llu unknown protocol", 2202 (unsigned long long) ifi->ifi_noproto); 2203 printf("\n\toutput: %llu packet%s, %llu byte%s", 2204 (unsigned long long) ifi->ifi_opackets, 2205 PLURAL(ifi->ifi_opackets), 2206 (unsigned long long) ifi->ifi_obytes, 2207 PLURAL(ifi->ifi_obytes)); 2208 if (ifi->ifi_omcasts) 2209 printf(", %llu multicast%s", 2210 (unsigned long long) ifi->ifi_omcasts, 2211 PLURAL(ifi->ifi_omcasts)); 2212 if (ifi->ifi_oerrors) 2213 printf(", %llu error%s", 2214 (unsigned long long) ifi->ifi_oerrors, 2215 PLURAL(ifi->ifi_oerrors)); 2216 if (ifi->ifi_collisions) 2217 printf(", %llu collision%s", 2218 (unsigned long long) ifi->ifi_collisions, 2219 PLURAL(ifi->ifi_collisions)); 2220 printf("\n"); 2221 #undef PLURAL 2222 } 2223 2224 proto_status: 2225 if ((p = afp) != NULL) { 2226 (*p->af_status)(1); 2227 } else for (p = afs; p->af_name; p++) { 2228 ifr.ifr_addr.sa_family = p->af_af; 2229 (*p->af_status)(0); 2230 } 2231 } 2232 2233 void 2234 tunnel_status() 2235 { 2236 char psrcaddr[NI_MAXHOST]; 2237 char pdstaddr[NI_MAXHOST]; 2238 const char *ver = ""; 2239 #ifdef NI_WITHSCOPEID 2240 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2241 #else 2242 const int niflag = NI_NUMERICHOST; 2243 #endif 2244 struct if_laddrreq req; 2245 2246 psrcaddr[0] = pdstaddr[0] = '\0'; 2247 2248 memset(&req, 0, sizeof(req)); 2249 strncpy(req.iflr_name, name, IFNAMSIZ); 2250 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2251 return; 2252 #ifdef INET6 2253 if (req.addr.ss_family == AF_INET6) 2254 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2255 #endif 2256 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2257 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2258 #ifdef INET6 2259 if (req.addr.ss_family == AF_INET6) 2260 ver = "6"; 2261 #endif 2262 2263 #ifdef INET6 2264 if (req.dstaddr.ss_family == AF_INET6) 2265 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2266 #endif 2267 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2268 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2269 2270 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2271 } 2272 2273 void 2274 vlan_status() 2275 { 2276 struct vlanreq vlr; 2277 2278 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2279 !isdigit(ifr.ifr_name[4])) 2280 return; 2281 2282 memset(&vlr, 0, sizeof(vlr)); 2283 ifr.ifr_data = (void *)&vlr; 2284 2285 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2286 return; 2287 2288 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2289 printf("\tvlan: %d parent: %s\n", 2290 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2291 "<none>" : vlr.vlr_parent); 2292 } 2293 2294 void 2295 in_alias(creq) 2296 struct ifreq *creq; 2297 { 2298 struct sockaddr_in *iasin; 2299 int alias; 2300 2301 if (lflag) 2302 return; 2303 2304 alias = 1; 2305 2306 /* Get the non-alias address for this interface. */ 2307 getsock(AF_INET); 2308 if (s < 0) { 2309 if (errno == EPROTONOSUPPORT) 2310 return; 2311 err(EXIT_FAILURE, "socket"); 2312 } 2313 (void) memset(&ifr, 0, sizeof(ifr)); 2314 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2315 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2316 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2317 return; 2318 } else 2319 warn("SIOCGIFADDR"); 2320 } 2321 /* If creq and ifr are the same address, this is not an alias. */ 2322 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2323 sizeof(creq->ifr_addr)) == 0) 2324 alias = 0; 2325 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2326 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2327 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2328 sizeof(in_addreq.ifra_addr)); 2329 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2330 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2331 return; 2332 } else 2333 warn("SIOCGIFALIAS"); 2334 } 2335 2336 iasin = &in_addreq.ifra_addr; 2337 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2338 2339 if (flags & IFF_POINTOPOINT) { 2340 iasin = &in_addreq.ifra_dstaddr; 2341 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2342 } 2343 2344 iasin = &in_addreq.ifra_mask; 2345 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2346 2347 if (flags & IFF_BROADCAST) { 2348 iasin = &in_addreq.ifra_broadaddr; 2349 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2350 } 2351 printf("\n"); 2352 } 2353 2354 void 2355 in_status(force) 2356 int force; 2357 { 2358 struct ifaddrs *ifap, *ifa; 2359 struct ifreq isifr; 2360 2361 if (getifaddrs(&ifap) != 0) 2362 err(EXIT_FAILURE, "getifaddrs"); 2363 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2364 if (strcmp(name, ifa->ifa_name) != 0) 2365 continue; 2366 if (ifa->ifa_addr->sa_family != AF_INET) 2367 continue; 2368 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2369 continue; 2370 2371 memset(&isifr, 0, sizeof(isifr)); 2372 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2373 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2374 in_alias(&isifr); 2375 } 2376 freeifaddrs(ifap); 2377 } 2378 2379 void 2380 setifprefixlen(addr, d) 2381 const char *addr; 2382 int d; 2383 { 2384 if (*afp->af_getprefix) 2385 (*afp->af_getprefix)(addr, MASK); 2386 explicit_prefix = 1; 2387 } 2388 2389 #ifdef INET6 2390 void 2391 in6_fillscopeid(sin6) 2392 struct sockaddr_in6 *sin6; 2393 { 2394 #if defined(__KAME__) && defined(KAME_SCOPEID) 2395 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2396 sin6->sin6_scope_id = 2397 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2398 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2399 } 2400 #endif 2401 } 2402 2403 /* XXX not really an alias */ 2404 void 2405 in6_alias(creq) 2406 struct in6_ifreq *creq; 2407 { 2408 struct sockaddr_in6 *sin6; 2409 char hbuf[NI_MAXHOST]; 2410 u_int32_t scopeid; 2411 #ifdef NI_WITHSCOPEID 2412 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2413 #else 2414 const int niflag = NI_NUMERICHOST; 2415 #endif 2416 2417 /* Get the non-alias address for this interface. */ 2418 getsock(AF_INET6); 2419 if (s < 0) { 2420 if (errno == EPROTONOSUPPORT) 2421 return; 2422 err(EXIT_FAILURE, "socket"); 2423 } 2424 2425 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2426 2427 in6_fillscopeid(sin6); 2428 scopeid = sin6->sin6_scope_id; 2429 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2430 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2431 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2432 printf("\tinet6 %s", hbuf); 2433 2434 if (flags & IFF_POINTOPOINT) { 2435 (void) memset(&ifr6, 0, sizeof(ifr6)); 2436 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2437 ifr6.ifr_addr = creq->ifr_addr; 2438 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2439 if (errno != EADDRNOTAVAIL) 2440 warn("SIOCGIFDSTADDR_IN6"); 2441 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2442 ifr6.ifr_addr.sin6_family = AF_INET6; 2443 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2444 } 2445 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2446 in6_fillscopeid(sin6); 2447 hbuf[0] = '\0'; 2448 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2449 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2450 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2451 printf(" -> %s", hbuf); 2452 } 2453 2454 (void) memset(&ifr6, 0, sizeof(ifr6)); 2455 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2456 ifr6.ifr_addr = creq->ifr_addr; 2457 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2458 if (errno != EADDRNOTAVAIL) 2459 warn("SIOCGIFNETMASK_IN6"); 2460 } else { 2461 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2462 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2463 sizeof(struct in6_addr))); 2464 } 2465 2466 (void) memset(&ifr6, 0, sizeof(ifr6)); 2467 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2468 ifr6.ifr_addr = creq->ifr_addr; 2469 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2470 if (errno != EADDRNOTAVAIL) 2471 warn("SIOCGIFAFLAG_IN6"); 2472 } else { 2473 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2474 printf(" anycast"); 2475 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2476 printf(" tentative"); 2477 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2478 printf(" duplicated"); 2479 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2480 printf(" detached"); 2481 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2482 printf(" deprecated"); 2483 } 2484 2485 if (scopeid) 2486 printf(" scopeid 0x%x", scopeid); 2487 2488 if (Lflag) { 2489 struct in6_addrlifetime *lifetime; 2490 (void) memset(&ifr6, 0, sizeof(ifr6)); 2491 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2492 ifr6.ifr_addr = creq->ifr_addr; 2493 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2494 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2495 if (errno != EADDRNOTAVAIL) 2496 warn("SIOCGIFALIFETIME_IN6"); 2497 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2498 time_t t = time(NULL); 2499 printf(" pltime "); 2500 if (lifetime->ia6t_preferred) { 2501 printf("%s", lifetime->ia6t_preferred < t 2502 ? "0" 2503 : sec2str(lifetime->ia6t_preferred - t)); 2504 } else 2505 printf("infty"); 2506 2507 printf(" vltime "); 2508 if (lifetime->ia6t_expire) { 2509 printf("%s", lifetime->ia6t_expire < t 2510 ? "0" 2511 : sec2str(lifetime->ia6t_expire - t)); 2512 } else 2513 printf("infty"); 2514 } 2515 } 2516 2517 printf("\n"); 2518 } 2519 2520 void 2521 in6_status(force) 2522 int force; 2523 { 2524 struct ifaddrs *ifap, *ifa; 2525 struct in6_ifreq isifr; 2526 2527 if (getifaddrs(&ifap) != 0) 2528 err(EXIT_FAILURE, "getifaddrs"); 2529 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2530 if (strcmp(name, ifa->ifa_name) != 0) 2531 continue; 2532 if (ifa->ifa_addr->sa_family != AF_INET6) 2533 continue; 2534 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2535 continue; 2536 2537 memset(&isifr, 0, sizeof(isifr)); 2538 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2539 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2540 in6_alias(&isifr); 2541 } 2542 freeifaddrs(ifap); 2543 } 2544 #endif /*INET6*/ 2545 2546 #ifndef INET_ONLY 2547 2548 void 2549 at_status(force) 2550 int force; 2551 { 2552 struct sockaddr_at *sat, null_sat; 2553 struct netrange *nr; 2554 2555 getsock(AF_APPLETALK); 2556 if (s < 0) { 2557 if (errno == EPROTONOSUPPORT) 2558 return; 2559 err(EXIT_FAILURE, "socket"); 2560 } 2561 (void) memset(&ifr, 0, sizeof(ifr)); 2562 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2563 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2564 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2565 if (!force) 2566 return; 2567 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2568 } else 2569 warn("SIOCGIFADDR"); 2570 } 2571 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2572 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2573 2574 (void) memset(&null_sat, 0, sizeof(null_sat)); 2575 2576 nr = (struct netrange *) &sat->sat_zero; 2577 printf("\tatalk %d.%d range %d-%d phase %d", 2578 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2579 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2580 if (flags & IFF_POINTOPOINT) { 2581 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2582 if (errno == EADDRNOTAVAIL) 2583 (void) memset(&ifr.ifr_addr, 0, 2584 sizeof(ifr.ifr_addr)); 2585 else 2586 warn("SIOCGIFDSTADDR"); 2587 } 2588 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2589 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2590 if (!sat) 2591 sat = &null_sat; 2592 printf("--> %d.%d", 2593 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2594 } 2595 if (flags & IFF_BROADCAST) { 2596 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2597 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2598 if (sat) 2599 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2600 sat->sat_addr.s_node); 2601 } 2602 putchar('\n'); 2603 } 2604 2605 void 2606 xns_status(force) 2607 int force; 2608 { 2609 struct sockaddr_ns *sns; 2610 2611 getsock(AF_NS); 2612 if (s < 0) { 2613 if (errno == EPROTONOSUPPORT) 2614 return; 2615 err(EXIT_FAILURE, "socket"); 2616 } 2617 (void) memset(&ifr, 0, sizeof(ifr)); 2618 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2619 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2620 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2621 if (!force) 2622 return; 2623 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2624 } else 2625 warn("SIOCGIFADDR"); 2626 } 2627 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2628 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2629 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2630 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2631 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2632 if (errno == EADDRNOTAVAIL) 2633 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2634 else 2635 warn("SIOCGIFDSTADDR"); 2636 } 2637 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2638 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2639 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2640 } 2641 putchar('\n'); 2642 } 2643 2644 void 2645 iso_status(force) 2646 int force; 2647 { 2648 struct sockaddr_iso *siso; 2649 struct iso_ifreq isoifr; 2650 2651 getsock(AF_ISO); 2652 if (s < 0) { 2653 if (errno == EPROTONOSUPPORT) 2654 return; 2655 err(EXIT_FAILURE, "socket"); 2656 } 2657 (void) memset(&isoifr, 0, sizeof(isoifr)); 2658 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2659 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2660 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2661 if (!force) 2662 return; 2663 (void) memset(&isoifr.ifr_Addr, 0, 2664 sizeof(isoifr.ifr_Addr)); 2665 } else 2666 warn("SIOCGIFADDR_ISO"); 2667 } 2668 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2669 siso = &isoifr.ifr_Addr; 2670 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2671 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2672 if (errno == EADDRNOTAVAIL) 2673 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2674 else 2675 warn("SIOCGIFNETMASK_ISO"); 2676 } else { 2677 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2678 siso->siso_addr.isoa_len = siso->siso_len 2679 - offsetof(struct sockaddr_iso, siso_addr); 2680 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2681 } 2682 if (flags & IFF_POINTOPOINT) { 2683 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2684 if (errno == EADDRNOTAVAIL) 2685 memset(&isoifr.ifr_Addr, 0, 2686 sizeof(isoifr.ifr_Addr)); 2687 else 2688 warn("SIOCGIFDSTADDR_ISO"); 2689 } 2690 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2691 siso = &isoifr.ifr_Addr; 2692 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2693 } 2694 putchar('\n'); 2695 } 2696 2697 #endif /* INET_ONLY */ 2698 2699 #define SIN(x) ((struct sockaddr_in *) &(x)) 2700 struct sockaddr_in *sintab[] = { 2701 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2702 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2703 2704 void 2705 in_getaddr(str, which) 2706 const char *str; 2707 int which; 2708 { 2709 struct sockaddr_in *gasin = sintab[which]; 2710 struct hostent *hp; 2711 struct netent *np; 2712 2713 gasin->sin_len = sizeof(*gasin); 2714 if (which != MASK) 2715 gasin->sin_family = AF_INET; 2716 2717 if (which == ADDR) { 2718 char *p = NULL; 2719 if ((p = strrchr(str, '/')) != NULL) { 2720 *p = '\0'; 2721 in_getprefix(p + 1, MASK); 2722 } 2723 } 2724 2725 if (inet_aton(str, &gasin->sin_addr) == 0) { 2726 if ((hp = gethostbyname(str)) != NULL) 2727 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2728 else if ((np = getnetbyname(str)) != NULL) 2729 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2730 else 2731 errx(EXIT_FAILURE, "%s: bad value", str); 2732 } 2733 } 2734 2735 void 2736 in_getprefix(plen, which) 2737 const char *plen; 2738 int which; 2739 { 2740 register struct sockaddr_in *igsin = sintab[which]; 2741 register u_char *cp; 2742 int len = strtol(plen, (char **)NULL, 10); 2743 2744 if ((len < 0) || (len > 32)) 2745 errx(EXIT_FAILURE, "%s: bad value", plen); 2746 igsin->sin_len = sizeof(*igsin); 2747 if (which != MASK) 2748 igsin->sin_family = AF_INET; 2749 if ((len == 0) || (len == 32)) { 2750 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2751 return; 2752 } 2753 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2754 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2755 *cp++ = 0xff; 2756 if (len) 2757 *cp = 0xff << (8 - len); 2758 } 2759 2760 #ifdef INET6 2761 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2762 struct sockaddr_in6 *sin6tab[] = { 2763 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2764 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2765 2766 void 2767 in6_getaddr(str, which) 2768 const char *str; 2769 int which; 2770 { 2771 #if defined(__KAME__) && defined(KAME_SCOPEID) 2772 struct sockaddr_in6 *sin6 = sin6tab[which]; 2773 struct addrinfo hints, *res; 2774 int error; 2775 char *slash = NULL; 2776 2777 if (which == ADDR) { 2778 if ((slash = strrchr(str, '/')) != NULL) 2779 *slash = '\0'; 2780 } 2781 2782 memset(&hints, 0, sizeof(hints)); 2783 hints.ai_family = AF_INET6; 2784 hints.ai_socktype = SOCK_DGRAM; 2785 #if 0 /* in_getaddr() allows FQDN */ 2786 hints.ai_flags = AI_NUMERICHOST; 2787 #endif 2788 error = getaddrinfo(str, "0", &hints, &res); 2789 if (error && slash) { 2790 /* try again treating the '/' as part of the name */ 2791 *slash = '/'; 2792 slash = NULL; 2793 error = getaddrinfo(str, "0", &hints, &res); 2794 } 2795 if (error) 2796 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2797 if (res->ai_next) 2798 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2799 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2800 errx(EXIT_FAILURE, "%s: bad value", str); 2801 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2802 freeaddrinfo(res); 2803 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2804 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2805 htons(sin6->sin6_scope_id); 2806 sin6->sin6_scope_id = 0; 2807 } 2808 if (slash) { 2809 in6_getprefix(slash + 1, MASK); 2810 explicit_prefix = 1; 2811 } 2812 #else 2813 struct sockaddr_in6 *gasin = sin6tab[which]; 2814 2815 gasin->sin6_len = sizeof(*gasin); 2816 if (which != MASK) 2817 gasin->sin6_family = AF_INET6; 2818 2819 if (which == ADDR) { 2820 char *p = NULL; 2821 if((p = strrchr(str, '/')) != NULL) { 2822 *p = '\0'; 2823 in6_getprefix(p + 1, MASK); 2824 explicit_prefix = 1; 2825 } 2826 } 2827 2828 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2829 errx(EXIT_FAILURE, "%s: bad value", str); 2830 #endif 2831 } 2832 2833 void 2834 in6_getprefix(plen, which) 2835 const char *plen; 2836 int which; 2837 { 2838 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2839 register u_char *cp; 2840 int len = strtol(plen, (char **)NULL, 10); 2841 2842 if ((len < 0) || (len > 128)) 2843 errx(EXIT_FAILURE, "%s: bad value", plen); 2844 gpsin->sin6_len = sizeof(*gpsin); 2845 if (which != MASK) 2846 gpsin->sin6_family = AF_INET6; 2847 if ((len == 0) || (len == 128)) { 2848 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2849 return; 2850 } 2851 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2852 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2853 *cp++ = 0xff; 2854 if (len) 2855 *cp = 0xff << (8 - len); 2856 } 2857 2858 int 2859 prefix(val, size) 2860 void *val; 2861 int size; 2862 { 2863 register u_char *pname = (u_char *)val; 2864 register int byte, bit, plen = 0; 2865 2866 for (byte = 0; byte < size; byte++, plen += 8) 2867 if (pname[byte] != 0xff) 2868 break; 2869 if (byte == size) 2870 return (plen); 2871 for (bit = 7; bit != 0; bit--, plen++) 2872 if (!(pname[byte] & (1 << bit))) 2873 break; 2874 for (; bit != 0; bit--) 2875 if (pname[byte] & (1 << bit)) 2876 return(0); 2877 byte++; 2878 for (; byte < size; byte++) 2879 if (pname[byte]) 2880 return(0); 2881 return (plen); 2882 } 2883 #endif /*INET6*/ 2884 2885 #ifndef INET_ONLY 2886 void 2887 at_getaddr(addr, which) 2888 const char *addr; 2889 int which; 2890 { 2891 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2892 u_int net, node; 2893 2894 sat->sat_family = AF_APPLETALK; 2895 sat->sat_len = sizeof(*sat); 2896 if (which == MASK) 2897 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2898 if (sscanf(addr, "%u.%u", &net, &node) != 2 2899 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2900 errx(EXIT_FAILURE, "%s: illegal address", addr); 2901 sat->sat_addr.s_net = htons(net); 2902 sat->sat_addr.s_node = node; 2903 } 2904 2905 void 2906 setatrange(range, d) 2907 const char *range; 2908 int d; 2909 { 2910 u_short first = 123, last = 123; 2911 2912 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2913 || first == 0 /* || first > 0xffff */ 2914 || last == 0 /* || last > 0xffff */ || first > last) 2915 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2916 first, last); 2917 at_nr.nr_firstnet = htons(first); 2918 at_nr.nr_lastnet = htons(last); 2919 } 2920 2921 void 2922 setatphase(phase, d) 2923 const char *phase; 2924 int d; 2925 { 2926 if (!strcmp(phase, "1")) 2927 at_nr.nr_phase = 1; 2928 else if (!strcmp(phase, "2")) 2929 at_nr.nr_phase = 2; 2930 else 2931 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2932 } 2933 2934 void 2935 checkatrange(sat) 2936 struct sockaddr_at *sat; 2937 { 2938 if (at_nr.nr_phase == 0) 2939 at_nr.nr_phase = 2; /* Default phase 2 */ 2940 if (at_nr.nr_firstnet == 0) 2941 at_nr.nr_firstnet = /* Default range of one */ 2942 at_nr.nr_lastnet = sat->sat_addr.s_net; 2943 printf("\tatalk %d.%d range %d-%d phase %d\n", 2944 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2945 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2946 if ((u_short) ntohs(at_nr.nr_firstnet) > 2947 (u_short) ntohs(sat->sat_addr.s_net) 2948 || (u_short) ntohs(at_nr.nr_lastnet) < 2949 (u_short) ntohs(sat->sat_addr.s_net)) 2950 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2951 *((struct netrange *) &sat->sat_zero) = at_nr; 2952 } 2953 2954 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2955 struct sockaddr_ns *snstab[] = { 2956 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2957 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2958 2959 void 2960 xns_getaddr(addr, which) 2961 const char *addr; 2962 int which; 2963 { 2964 struct sockaddr_ns *sns = snstab[which]; 2965 2966 sns->sns_family = AF_NS; 2967 sns->sns_len = sizeof(*sns); 2968 sns->sns_addr = ns_addr(addr); 2969 if (which == MASK) 2970 puts("Attempt to set XNS netmask will be ineffectual"); 2971 } 2972 2973 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2974 struct sockaddr_iso *sisotab[] = { 2975 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2976 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2977 2978 void 2979 iso_getaddr(addr, which) 2980 const char *addr; 2981 int which; 2982 { 2983 struct sockaddr_iso *siso = sisotab[which]; 2984 siso->siso_addr = *iso_addr(addr); 2985 2986 if (which == MASK) { 2987 siso->siso_len = TSEL(siso) - (char *)(siso); 2988 siso->siso_nlen = 0; 2989 } else { 2990 siso->siso_len = sizeof(*siso); 2991 siso->siso_family = AF_ISO; 2992 } 2993 } 2994 2995 void 2996 setsnpaoffset(val, d) 2997 const char *val; 2998 int d; 2999 { 3000 iso_addreq.ifra_snpaoffset = atoi(val); 3001 } 3002 3003 void 3004 setnsellength(val, d) 3005 const char *val; 3006 int d; 3007 { 3008 nsellength = atoi(val); 3009 if (nsellength < 0) 3010 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 3011 if (afp == 0 || afp->af_af != AF_ISO) 3012 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 3013 } 3014 3015 void 3016 fixnsel(siso) 3017 struct sockaddr_iso *siso; 3018 { 3019 if (siso->siso_family == 0) 3020 return; 3021 siso->siso_tlen = nsellength; 3022 } 3023 3024 void 3025 adjust_nsellength() 3026 { 3027 fixnsel(sisotab[RIDADDR]); 3028 fixnsel(sisotab[ADDR]); 3029 fixnsel(sisotab[DSTADDR]); 3030 } 3031 3032 #endif /* INET_ONLY */ 3033 3034 void 3035 usage() 3036 { 3037 const char *progname = getprogname(); 3038 3039 fprintf(stderr, 3040 "usage: %s [-m] [-v] [-z] " 3041 #ifdef INET6 3042 "[-L] " 3043 #endif 3044 "interface\n" 3045 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 3046 "\t\t[ alias | -alias ] ]\n" 3047 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 3048 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 3049 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 3050 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 3051 "\t[ arp | -arp ]\n" 3052 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 3053 "[ instance minst ]\n" 3054 "\t[ vlan n vlanif i ]\n" 3055 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 3056 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 3057 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 3058 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 3059 " %s -l [-b] [-d] [-u] [-s]\n" 3060 " %s -C\n" 3061 " %s interface create\n" 3062 " %s interface destroy\n", 3063 progname, progname, progname, progname, progname, progname); 3064 exit(1); 3065 } 3066 3067 #ifdef INET6 3068 char * 3069 sec2str(total) 3070 time_t total; 3071 { 3072 static char result[256]; 3073 int days, hours, mins, secs; 3074 int first = 1; 3075 char *p = result; 3076 char *end = &result[sizeof(result)]; 3077 int n; 3078 3079 if (0) { /*XXX*/ 3080 days = total / 3600 / 24; 3081 hours = (total / 3600) % 24; 3082 mins = (total / 60) % 60; 3083 secs = total % 60; 3084 3085 if (days) { 3086 first = 0; 3087 n = snprintf(p, end - p, "%dd", days); 3088 if (n < 0 || n >= end - p) 3089 return(result); 3090 p += n; 3091 } 3092 if (!first || hours) { 3093 first = 0; 3094 n = snprintf(p, end - p, "%dh", hours); 3095 if (n < 0 || n >= end - p) 3096 return(result); 3097 p += n; 3098 } 3099 if (!first || mins) { 3100 first = 0; 3101 n = snprintf(p, end - p, "%dm", mins); 3102 if (n < 0 || n >= end - p) 3103 return(result); 3104 p += n; 3105 } 3106 snprintf(p, end - p, "%ds", secs); 3107 } else 3108 snprintf(p, end - p, "%lu", (u_long)total); 3109 3110 return(result); 3111 } 3112 #endif 3113
Indexes created Sun Sep 28 07:09:56 GMT 2025