ifconfig.c revision 1.131
1 /* $NetBSD: ifconfig.c,v 1.131 2002/09/22 15:29:23 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 */ 72 73 #include <sys/cdefs.h> 74 #ifndef lint 75 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 76 The Regents of the University of California. All rights reserved.\n"); 77 #endif /* not lint */ 78 79 #ifndef lint 80 #if 0 81 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 82 #else 83 __RCSID("$NetBSD: ifconfig.c,v 1.131 2002/09/22 15:29:23 thorpej Exp $"); 84 #endif 85 #endif /* not lint */ 86 87 #include <sys/param.h> 88 #include <sys/socket.h> 89 #include <sys/ioctl.h> 90 91 #include <net/if.h> 92 #include <net/if_dl.h> 93 #include <net/if_media.h> 94 #include <net/if_ether.h> 95 #include <net/if_ieee80211.h> 96 #include <net/if_vlanvar.h> 97 #include <netinet/in.h> 98 #include <netinet/in_var.h> 99 #ifdef INET6 100 #include <netinet6/nd6.h> 101 #endif 102 #include <arpa/inet.h> 103 104 #include <netatalk/at.h> 105 106 #define NSIP 107 #include <netns/ns.h> 108 #include <netns/ns_if.h> 109 #include <netdb.h> 110 111 #define EON 112 #include <netiso/iso.h> 113 #include <netiso/iso_var.h> 114 #include <sys/protosw.h> 115 116 #include <ctype.h> 117 #include <err.h> 118 #include <errno.h> 119 #include <stddef.h> 120 #include <stdio.h> 121 #include <stdlib.h> 122 #include <string.h> 123 #include <unistd.h> 124 #include <ifaddrs.h> 125 #include <util.h> 126 127 struct ifreq ifr, ridreq; 128 struct ifaliasreq addreq __attribute__((aligned(4))); 129 struct in_aliasreq in_addreq; 130 #ifdef INET6 131 struct in6_ifreq ifr6; 132 struct in6_ifreq in6_ridreq; 133 struct in6_aliasreq in6_addreq; 134 #endif 135 struct iso_ifreq iso_ridreq; 136 struct iso_aliasreq iso_addreq; 137 struct sockaddr_in netmask; 138 struct netrange at_nr; /* AppleTalk net range */ 139 140 char name[30]; 141 u_short flags; 142 int setaddr, setipdst, doalias; 143 u_long metric, mtu; 144 int clearaddr, s; 145 int newaddr = -1; 146 int conflicting = 0; 147 int nsellength = 1; 148 int af; 149 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag; 150 #ifdef INET6 151 int Lflag; 152 #endif 153 int reset_if_flags; 154 int explicit_prefix = 0; 155 u_int vlan_tag = (u_int)-1; 156 157 struct ifcapreq g_ifcr; 158 int g_ifcr_updated; 159 160 void notealias __P((const char *, int)); 161 void notrailers __P((const char *, int)); 162 void setifaddr __P((const char *, int)); 163 void setifdstaddr __P((const char *, int)); 164 void setifflags __P((const char *, int)); 165 void setifcaps __P((const char *, int)); 166 void setifbroadaddr __P((const char *, int)); 167 void setifipdst __P((const char *, int)); 168 void setifmetric __P((const char *, int)); 169 void setifmtu __P((const char *, int)); 170 void setifnwid __P((const char *, int)); 171 void setifnwkey __P((const char *, int)); 172 void setifbssid __P((const char *, int)); 173 void setifchan __P((const char *, int)); 174 void setifpowersave __P((const char *, int)); 175 void setifpowersavesleep __P((const char *, int)); 176 void setifnetmask __P((const char *, int)); 177 void setifprefixlen __P((const char *, int)); 178 void setnsellength __P((const char *, int)); 179 void setsnpaoffset __P((const char *, int)); 180 void setatrange __P((const char *, int)); 181 void setatphase __P((const char *, int)); 182 void settunnel __P((const char *, const char *)); 183 void deletetunnel __P((const char *, int)); 184 #ifdef INET6 185 void setia6flags __P((const char *, int)); 186 void setia6pltime __P((const char *, int)); 187 void setia6vltime __P((const char *, int)); 188 void setia6lifetime __P((const char *, const char *)); 189 void setia6eui64 __P((const char *, int)); 190 #endif 191 void checkatrange __P ((struct sockaddr_at *)); 192 void setmedia __P((const char *, int)); 193 void setmediaopt __P((const char *, int)); 194 void unsetmediaopt __P((const char *, int)); 195 void setmediainst __P((const char *, int)); 196 void clone_create __P((const char *, int)); 197 void clone_destroy __P((const char *, int)); 198 void fixnsel __P((struct sockaddr_iso *)); 199 void setvlan __P((const char *, int)); 200 void setvlanif __P((const char *, int)); 201 void unsetvlanif __P((const char *, int)); 202 int main __P((int, char *[])); 203 204 /* 205 * Media stuff. Whenever a media command is first performed, the 206 * currently select media is grabbed for this interface. If `media' 207 * is given, the current media word is modifed. `mediaopt' commands 208 * only modify the set and clear words. They then operate on the 209 * current media word later. 210 */ 211 int media_current; 212 int mediaopt_set; 213 int mediaopt_clear; 214 215 int actions; /* Actions performed */ 216 217 #define A_MEDIA 0x0001 /* media command */ 218 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 219 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 220 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 221 #define A_MEDIAINST 0x0008 /* instance or inst command */ 222 223 #define NEXTARG 0xffffff 224 #define NEXTARG2 0xfffffe 225 226 const struct cmd { 227 const char *c_name; 228 int c_parameter; /* NEXTARG means next argv */ 229 int c_action; /* defered action */ 230 void (*c_func) __P((const char *, int)); 231 void (*c_func2) __P((const char *, const char *)); 232 } cmds[] = { 233 { "up", IFF_UP, 0, setifflags } , 234 { "down", -IFF_UP, 0, setifflags }, 235 { "trailers", -1, 0, notrailers }, 236 { "-trailers", 1, 0, notrailers }, 237 { "arp", -IFF_NOARP, 0, setifflags }, 238 { "-arp", IFF_NOARP, 0, setifflags }, 239 { "debug", IFF_DEBUG, 0, setifflags }, 240 { "-debug", -IFF_DEBUG, 0, setifflags }, 241 { "alias", IFF_UP, 0, notealias }, 242 { "-alias", -IFF_UP, 0, notealias }, 243 { "delete", -IFF_UP, 0, notealias }, 244 #ifdef notdef 245 #define EN_SWABIPS 0x1000 246 { "swabips", EN_SWABIPS, 0, setifflags }, 247 { "-swabips", -EN_SWABIPS, 0, setifflags }, 248 #endif 249 { "netmask", NEXTARG, 0, setifnetmask }, 250 { "metric", NEXTARG, 0, setifmetric }, 251 { "mtu", NEXTARG, 0, setifmtu }, 252 { "bssid", NEXTARG, 0, setifbssid }, 253 { "-bssid", -1, 0, setifbssid }, 254 { "chan", NEXTARG, 0, setifchan }, 255 { "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 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 302 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 303 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 304 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 305 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 306 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 307 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 308 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 309 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 310 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 311 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 312 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 313 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 314 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 315 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 316 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 317 { 0, 0, 0, setifaddr }, 318 { 0, 0, 0, setifdstaddr }, 319 }; 320 321 void adjust_nsellength __P((void)); 322 int getinfo __P((struct ifreq *)); 323 int carrier __P((void)); 324 void getsock __P((int)); 325 void printall __P((const char *)); 326 void list_cloners __P((void)); 327 int prefix __P((void *, int)); 328 void status __P((const struct sockaddr_dl *)); 329 void usage __P((void)); 330 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 331 void print_string __P((const u_int8_t *, int)); 332 char *sec2str __P((time_t)); 333 334 const char *get_media_type_string __P((int)); 335 const char *get_media_subtype_string __P((int)); 336 int get_media_subtype __P((int, const char *)); 337 int get_media_options __P((int, const char *)); 338 int lookup_media_word __P((struct ifmedia_description *, int, 339 const char *)); 340 void print_media_word __P((int, int, int)); 341 void process_media_commands __P((void)); 342 void init_current_media __P((void)); 343 344 /* 345 * XNS support liberally adapted from code written at the University of 346 * Maryland principally by James O'Toole and Chris Torek. 347 */ 348 void in_alias __P((struct ifreq *)); 349 void in_status __P((int)); 350 void in_getaddr __P((const char *, int)); 351 void in_getprefix __P((const char *, int)); 352 #ifdef INET6 353 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 354 void in6_alias __P((struct in6_ifreq *)); 355 void in6_status __P((int)); 356 void in6_getaddr __P((const char *, int)); 357 void in6_getprefix __P((const char *, int)); 358 #endif 359 void at_status __P((int)); 360 void at_getaddr __P((const char *, int)); 361 void xns_status __P((int)); 362 void xns_getaddr __P((const char *, int)); 363 void iso_status __P((int)); 364 void iso_getaddr __P((const char *, int)); 365 366 void ieee80211_status __P((void)); 367 void tunnel_status __P((void)); 368 void vlan_status __P((void)); 369 370 /* Known address families */ 371 struct afswtch { 372 const char *af_name; 373 short af_af; 374 void (*af_status) __P((int)); 375 void (*af_getaddr) __P((const char *, int)); 376 void (*af_getprefix) __P((const char *, int)); 377 u_long af_difaddr; 378 u_long af_aifaddr; 379 u_long af_gifaddr; 380 caddr_t af_ridreq; 381 caddr_t af_addreq; 382 } afs[] = { 383 #define C(x) ((caddr_t) &x) 384 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 385 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 386 #ifdef INET6 387 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 388 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 389 /* 390 * Deleting the first address before setting new one is 391 * not prefered way in this protocol. 392 */ 393 0, 394 C(in6_ridreq), C(in6_addreq) }, 395 #endif 396 #ifndef INET_ONLY /* small version, for boot media */ 397 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 398 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 399 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 400 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 401 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 402 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 403 C(iso_ridreq), C(iso_addreq) }, 404 #endif /* INET_ONLY */ 405 { 0, 0, 0, 0 } 406 }; 407 408 struct afswtch *afp; /*the address family being set or asked about*/ 409 410 struct afswtch *lookup_af __P((const char *)); 411 412 int 413 main(argc, argv) 414 int argc; 415 char *argv[]; 416 { 417 struct ifreq ifreq; 418 int ch; 419 420 /* Parse command-line options */ 421 aflag = mflag = vflag = 0; 422 while ((ch = getopt(argc, argv, "AabCdlmsuv" 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; 439 440 441 case 'C': 442 Cflag = 1; 443 break; 444 445 case 'd': 446 dflag = 1; 447 break; 448 449 #ifdef INET6 450 case 'L': 451 Lflag = 1; 452 break; 453 #endif 454 455 case 'l': 456 lflag = 1; 457 break; 458 459 case 'm': 460 mflag = 1; 461 break; 462 463 case 's': 464 sflag = 1; 465 break; 466 467 case 'u': 468 uflag = 1; 469 break; 470 471 case 'v': 472 vflag = 1; 473 break; 474 475 476 default: 477 usage(); 478 /* NOTREACHED */ 479 } 480 } 481 argc -= optind; 482 argv += optind; 483 484 /* 485 * -l means "list all interfaces", and is mutally exclusive with 486 * all other flags/commands. 487 * 488 * -C means "list all names of cloners", and it mutually exclusive 489 * with all other flags/commands. 490 * 491 * -a means "print status of all interfaces". 492 */ 493 if ((lflag || Cflag) && (aflag || mflag || vflag || argc)) 494 usage(); 495 #ifdef INET6 496 if ((lflag || Cflag) && Lflag) 497 usage(); 498 #endif 499 if (lflag && Cflag) 500 usage(); 501 if (Cflag) { 502 if (argc) 503 usage(); 504 list_cloners(); 505 exit(0); 506 } 507 if (aflag || lflag) { 508 if (argc > 1) 509 usage(); 510 else if (argc == 1) { 511 afp = lookup_af(argv[0]); 512 if (afp == NULL) 513 usage(); 514 } 515 if (afp) 516 af = ifr.ifr_addr.sa_family = afp->af_af; 517 else 518 af = ifr.ifr_addr.sa_family = afs[0].af_af; 519 printall(NULL); 520 exit(0); 521 } 522 523 /* Make sure there's an interface name. */ 524 if (argc < 1) 525 usage(); 526 (void) strncpy(name, argv[0], sizeof(name)); 527 argc--; argv++; 528 529 /* 530 * NOTE: We must special-case the `create' command right 531 * here as we would otherwise fail in getinfo(). 532 */ 533 if (argc > 0 && strcmp(argv[0], "create") == 0) { 534 clone_create(argv[0], 0); 535 argc--, argv++; 536 if (argc == 0) 537 exit(0); 538 } 539 540 /* Check for address family. */ 541 afp = NULL; 542 if (argc > 0) { 543 afp = lookup_af(argv[0]); 544 if (afp != NULL) { 545 argv++; 546 argc--; 547 } 548 } 549 550 /* Initialize af, just for use in getinfo(). */ 551 if (afp == NULL) 552 af = afs->af_af; 553 else 554 af = afp->af_af; 555 556 /* Get information about the interface. */ 557 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 558 if (getinfo(&ifr) < 0) 559 exit(1); 560 561 if (sflag) { 562 if (argc != 0) 563 usage(); 564 else 565 exit(carrier()); 566 } 567 568 /* No more arguments means interface status. */ 569 if (argc == 0) { 570 printall(name); 571 exit(0); 572 } 573 574 /* The following operations assume inet family as the default. */ 575 if (afp == NULL) 576 afp = afs; 577 af = ifr.ifr_addr.sa_family = afp->af_af; 578 579 #ifdef INET6 580 /* initialization */ 581 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 582 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 583 #endif 584 585 /* Process commands. */ 586 while (argc > 0) { 587 const struct cmd *p; 588 589 for (p = cmds; p->c_name; p++) 590 if (strcmp(argv[0], p->c_name) == 0) 591 break; 592 if (p->c_name == 0 && setaddr) { 593 if ((flags & IFF_POINTOPOINT) == 0) { 594 errx(EXIT_FAILURE, 595 "can't set destination address %s", 596 "on non-point-to-point link"); 597 } 598 p++; /* got src, do dst */ 599 } 600 if (p->c_func != NULL || p->c_func2 != NULL) { 601 if (p->c_parameter == NEXTARG) { 602 if (argc < 2) 603 errx(EXIT_FAILURE, 604 "'%s' requires argument", 605 p->c_name); 606 (*p->c_func)(argv[1], 0); 607 argc--, argv++; 608 } else if (p->c_parameter == NEXTARG2) { 609 if (argc < 3) 610 errx(EXIT_FAILURE, 611 "'%s' requires 2 arguments", 612 p->c_name); 613 (*p->c_func2)(argv[1], argv[2]); 614 argc -= 2, argv += 2; 615 } else 616 (*p->c_func)(argv[0], p->c_parameter); 617 actions |= p->c_action; 618 } 619 argc--, argv++; 620 } 621 622 /* 623 * See if multiple alias, -alias, or delete commands were 624 * specified. More than one constitutes an invalid command line 625 */ 626 627 if (conflicting > 1) 628 err(EXIT_FAILURE, 629 "Only one use of alias, -alias or delete is valid."); 630 631 /* Process any media commands that may have been issued. */ 632 process_media_commands(); 633 634 if (af == AF_INET6 && explicit_prefix == 0) { 635 /* 636 * Aggregatable address architecture defines all prefixes 637 * are 64. So, it is convenient to set prefixlen to 64 if 638 * it is not specified. 639 */ 640 setifprefixlen("64", 0); 641 /* in6_getprefix("64", MASK) if MASK is available here... */ 642 } 643 644 #ifndef INET_ONLY 645 if (af == AF_ISO) 646 adjust_nsellength(); 647 648 if (af == AF_APPLETALK) 649 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 650 651 if (setipdst && af==AF_NS) { 652 struct nsip_req rq; 653 int size = sizeof(rq); 654 655 rq.rq_ns = addreq.ifra_addr; 656 rq.rq_ip = addreq.ifra_dstaddr; 657 658 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 659 warn("encapsulation routing"); 660 } 661 662 #endif /* INET_ONLY */ 663 664 if (clearaddr) { 665 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 666 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 667 err(EXIT_FAILURE, "SIOCDIFADDR"); 668 } 669 if (newaddr > 0) { 670 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 671 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 672 warn("SIOCAIFADDR"); 673 } 674 675 if (g_ifcr_updated) { 676 (void) strncpy(g_ifcr.ifcr_name, name, 677 sizeof(g_ifcr.ifcr_name)); 678 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 679 err(EXIT_FAILURE, "SIOCSIFCAP"); 680 } 681 682 if (reset_if_flags) { 683 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 684 ifreq.ifr_flags = flags; 685 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 686 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 687 } 688 exit(0); 689 } 690 691 struct afswtch * 692 lookup_af(cp) 693 const char *cp; 694 { 695 struct afswtch *a; 696 697 for (a = afs; a->af_name != NULL; a++) 698 if (strcmp(a->af_name, cp) == 0) 699 return (a); 700 return (NULL); 701 } 702 703 void 704 getsock(naf) 705 int naf; 706 { 707 static int oaf = -1; 708 709 if (oaf == naf) 710 return; 711 if (oaf != -1) 712 close(s); 713 s = socket(naf, SOCK_DGRAM, 0); 714 if (s < 0) 715 oaf = -1; 716 else 717 oaf = naf; 718 } 719 720 int 721 getinfo(giifr) 722 struct ifreq *giifr; 723 { 724 725 getsock(af); 726 if (s < 0) 727 err(EXIT_FAILURE, "socket"); 728 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 729 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 730 return (-1); 731 } 732 flags = giifr->ifr_flags; 733 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 734 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 735 metric = 0; 736 } else 737 metric = giifr->ifr_metric; 738 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 739 mtu = 0; 740 else 741 mtu = giifr->ifr_mtu; 742 743 memset(&g_ifcr, 0, sizeof(g_ifcr)); 744 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 745 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 746 747 return (0); 748 } 749 750 void 751 printall(ifname) 752 const char *ifname; 753 { 754 struct ifaddrs *ifap, *ifa; 755 struct ifreq paifr; 756 const struct sockaddr_dl *sdl = NULL; 757 int idx; 758 char *p; 759 760 if (getifaddrs(&ifap) != 0) 761 err(EXIT_FAILURE, "getifaddrs"); 762 p = NULL; 763 idx = 0; 764 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 765 memset(&paifr, 0, sizeof(paifr)); 766 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 767 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 768 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 769 ifa->ifa_addr->sa_len); 770 } 771 772 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 773 continue; 774 if (ifa->ifa_addr->sa_family == AF_LINK) 775 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 776 if (p && strcmp(p, ifa->ifa_name) == 0) 777 continue; 778 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 779 name[sizeof(name) - 1] = '\0'; 780 p = ifa->ifa_name; 781 782 if (getinfo(&paifr) < 0) 783 continue; 784 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 785 continue; 786 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 787 continue; 788 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 789 continue; 790 791 if (sflag && carrier()) 792 continue; 793 idx++; 794 /* 795 * Are we just listing the interfaces? 796 */ 797 if (lflag) { 798 if (idx > 1) 799 putchar(' '); 800 fputs(name, stdout); 801 continue; 802 } 803 804 status(sdl); 805 sdl = NULL; 806 } 807 if (lflag) 808 putchar('\n'); 809 freeifaddrs(ifap); 810 } 811 812 void 813 list_cloners(void) 814 { 815 struct if_clonereq ifcr; 816 char *cp, *buf; 817 int idx; 818 819 memset(&ifcr, 0, sizeof(ifcr)); 820 821 getsock(AF_INET); 822 823 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 824 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 825 826 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 827 if (buf == NULL) 828 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 829 830 ifcr.ifcr_count = ifcr.ifcr_total; 831 ifcr.ifcr_buffer = buf; 832 833 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 834 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 835 836 /* 837 * In case some disappeared in the mean time, clamp it down. 838 */ 839 if (ifcr.ifcr_count > ifcr.ifcr_total) 840 ifcr.ifcr_count = ifcr.ifcr_total; 841 842 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 843 if (idx > 0) 844 putchar(' '); 845 printf("%s", cp); 846 } 847 848 putchar('\n'); 849 free(buf); 850 return; 851 } 852 853 /*ARGSUSED*/ 854 void 855 clone_create(addr, param) 856 const char *addr; 857 int param; 858 { 859 860 /* We're called early... */ 861 getsock(AF_INET); 862 863 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 864 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 865 err(EXIT_FAILURE, "SIOCIFCREATE"); 866 } 867 868 /*ARGSUSED*/ 869 void 870 clone_destroy(addr, param) 871 const char *addr; 872 int param; 873 { 874 875 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 876 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 877 err(EXIT_FAILURE, "SIOCIFDESTROY"); 878 } 879 880 #define RIDADDR 0 881 #define ADDR 1 882 #define MASK 2 883 #define DSTADDR 3 884 885 /*ARGSUSED*/ 886 void 887 setifaddr(addr, param) 888 const char *addr; 889 int param; 890 { 891 struct ifreq *siifr; /* XXX */ 892 893 /* 894 * Delay the ioctl to set the interface addr until flags are all set. 895 * The address interpretation may depend on the flags, 896 * and the flags may change when the address is set. 897 */ 898 setaddr++; 899 if (newaddr == -1) 900 newaddr = 1; 901 if (doalias == 0 && afp->af_gifaddr != 0) { 902 siifr = (struct ifreq *)afp->af_ridreq; 903 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 904 siifr->ifr_addr.sa_family = afp->af_af; 905 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 906 clearaddr = 1; 907 else if (errno == EADDRNOTAVAIL) 908 /* No address was assigned yet. */ 909 ; 910 else 911 err(EXIT_FAILURE, "SIOCGIFADDR"); 912 } 913 914 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 915 } 916 917 void 918 settunnel(src, dst) 919 const char *src, *dst; 920 { 921 struct addrinfo hints, *srcres, *dstres; 922 int ecode; 923 struct if_laddrreq req; 924 925 memset(&hints, 0, sizeof(hints)); 926 hints.ai_family = afp->af_af; 927 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 928 929 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 930 errx(EXIT_FAILURE, "error in parsing address string: %s", 931 gai_strerror(ecode)); 932 933 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 934 errx(EXIT_FAILURE, "error in parsing address string: %s", 935 gai_strerror(ecode)); 936 937 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 938 errx(EXIT_FAILURE, 939 "source and destination address families do not match"); 940 941 if (srcres->ai_addrlen > sizeof(req.addr) || 942 dstres->ai_addrlen > sizeof(req.dstaddr)) 943 errx(EXIT_FAILURE, "invalid sockaddr"); 944 945 memset(&req, 0, sizeof(req)); 946 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 947 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 948 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 949 950 #ifdef INET6 951 if (req.addr.ss_family == AF_INET6) { 952 struct sockaddr_in6 *s6, *d; 953 954 s6 = (struct sockaddr_in6 *)&req.addr; 955 d = (struct sockaddr_in6 *)&req.dstaddr; 956 if (s6->sin6_scope_id != d->sin6_scope_id) { 957 errx(EXIT_FAILURE, "scope mismatch"); 958 /* NOTREACHED */ 959 } 960 #ifdef __KAME__ 961 /* embed scopeid */ 962 if (s6->sin6_scope_id && 963 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 964 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 965 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 966 htons(s6->sin6_scope_id); 967 } 968 if (d->sin6_scope_id && 969 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 970 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 971 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 972 htons(d->sin6_scope_id); 973 } 974 #endif 975 } 976 #endif 977 978 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 979 warn("SIOCSLIFPHYADDR"); 980 981 freeaddrinfo(srcres); 982 freeaddrinfo(dstres); 983 } 984 985 /* ARGSUSED */ 986 void 987 deletetunnel(vname, param) 988 const char *vname; 989 int param; 990 { 991 992 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 993 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 994 } 995 996 void setvlan(val, d) 997 const char *val; 998 int d; 999 { 1000 struct vlanreq vlr; 1001 1002 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1003 !isdigit(ifr.ifr_name[4])) 1004 errx(EXIT_FAILURE, 1005 "``vlan'' valid only with vlan(4) interfaces"); 1006 1007 vlan_tag = atoi(val); 1008 1009 memset(&vlr, 0, sizeof(vlr)); 1010 ifr.ifr_data = (caddr_t)&vlr; 1011 1012 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1013 err(EXIT_FAILURE, "SIOCGETVLAN"); 1014 1015 vlr.vlr_tag = vlan_tag; 1016 1017 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1018 err(EXIT_FAILURE, "SIOCSETVLAN"); 1019 } 1020 1021 void setvlanif(val, d) 1022 const char *val; 1023 int d; 1024 { 1025 struct vlanreq vlr; 1026 1027 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1028 !isdigit(ifr.ifr_name[4])) 1029 errx(EXIT_FAILURE, 1030 "``vlanif'' valid only with vlan(4) interfaces"); 1031 1032 if (vlan_tag == (u_int)-1) 1033 errx(EXIT_FAILURE, 1034 "must specify both ``vlan'' and ``vlanif''"); 1035 1036 memset(&vlr, 0, sizeof(vlr)); 1037 ifr.ifr_data = (caddr_t)&vlr; 1038 1039 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1040 err(EXIT_FAILURE, "SIOCGETVLAN"); 1041 1042 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1043 vlr.vlr_tag = vlan_tag; 1044 1045 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1046 err(EXIT_FAILURE, "SIOCSETVLAN"); 1047 } 1048 1049 void unsetvlanif(val, d) 1050 const char *val; 1051 int d; 1052 { 1053 struct vlanreq vlr; 1054 1055 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1056 !isdigit(ifr.ifr_name[4])) 1057 errx(EXIT_FAILURE, 1058 "``vlanif'' valid only with vlan(4) interfaces"); 1059 1060 memset(&vlr, 0, sizeof(vlr)); 1061 ifr.ifr_data = (caddr_t)&vlr; 1062 1063 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1064 err(EXIT_FAILURE, "SIOCGETVLAN"); 1065 1066 vlr.vlr_parent[0] = '\0'; 1067 vlr.vlr_tag = 0; 1068 1069 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1070 err(EXIT_FAILURE, "SIOCSETVLAN"); 1071 } 1072 1073 void 1074 setifnetmask(addr, d) 1075 const char *addr; 1076 int d; 1077 { 1078 (*afp->af_getaddr)(addr, MASK); 1079 } 1080 1081 void 1082 setifbroadaddr(addr, d) 1083 const char *addr; 1084 int d; 1085 { 1086 (*afp->af_getaddr)(addr, DSTADDR); 1087 } 1088 1089 void 1090 setifipdst(addr, d) 1091 const char *addr; 1092 int d; 1093 { 1094 in_getaddr(addr, DSTADDR); 1095 setipdst++; 1096 clearaddr = 0; 1097 newaddr = 0; 1098 } 1099 1100 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1101 /*ARGSUSED*/ 1102 void 1103 notealias(addr, param) 1104 const char *addr; 1105 int param; 1106 { 1107 if (setaddr && doalias == 0 && param < 0) 1108 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1109 rqtosa(af_addreq)->sa_len); 1110 doalias = param; 1111 if (param < 0) { 1112 clearaddr = 1; 1113 newaddr = 0; 1114 conflicting++; 1115 } else { 1116 clearaddr = 0; 1117 conflicting++; 1118 } 1119 } 1120 1121 /*ARGSUSED*/ 1122 void 1123 notrailers(vname, value) 1124 const char *vname; 1125 int value; 1126 { 1127 puts("Note: trailers are no longer sent, but always received"); 1128 } 1129 1130 /*ARGSUSED*/ 1131 void 1132 setifdstaddr(addr, param) 1133 const char *addr; 1134 int param; 1135 { 1136 (*afp->af_getaddr)(addr, DSTADDR); 1137 } 1138 1139 void 1140 setifflags(vname, value) 1141 const char *vname; 1142 int value; 1143 { 1144 struct ifreq ifreq; 1145 1146 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1147 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1148 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1149 flags = ifreq.ifr_flags; 1150 1151 if (value < 0) { 1152 value = -value; 1153 flags &= ~value; 1154 } else 1155 flags |= value; 1156 ifreq.ifr_flags = flags; 1157 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1158 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1159 1160 reset_if_flags = 1; 1161 } 1162 1163 void 1164 setifcaps(vname, value) 1165 const char *vname; 1166 int value; 1167 { 1168 1169 if (value < 0) { 1170 value = -value; 1171 g_ifcr.ifcr_capenable &= ~value; 1172 } else 1173 g_ifcr.ifcr_capenable |= value; 1174 1175 g_ifcr_updated = 1; 1176 } 1177 1178 #ifdef INET6 1179 void 1180 setia6flags(vname, value) 1181 const char *vname; 1182 int value; 1183 { 1184 1185 if (value < 0) { 1186 value = -value; 1187 in6_addreq.ifra_flags &= ~value; 1188 } else 1189 in6_addreq.ifra_flags |= value; 1190 } 1191 1192 void 1193 setia6pltime(val, d) 1194 const char *val; 1195 int d; 1196 { 1197 1198 setia6lifetime("pltime", val); 1199 } 1200 1201 void 1202 setia6vltime(val, d) 1203 const char *val; 1204 int d; 1205 { 1206 1207 setia6lifetime("vltime", val); 1208 } 1209 1210 void 1211 setia6lifetime(cmd, val) 1212 const char *cmd; 1213 const char *val; 1214 { 1215 time_t newval, t; 1216 char *ep; 1217 1218 t = time(NULL); 1219 newval = (time_t)strtoul(val, &ep, 0); 1220 if (val == ep) 1221 errx(EXIT_FAILURE, "invalid %s", cmd); 1222 if (afp->af_af != AF_INET6) 1223 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1224 if (strcmp(cmd, "vltime") == 0) { 1225 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1226 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1227 } else if (strcmp(cmd, "pltime") == 0) { 1228 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1229 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1230 } 1231 } 1232 1233 void 1234 setia6eui64(cmd, val) 1235 const char *cmd; 1236 int val; 1237 { 1238 struct ifaddrs *ifap, *ifa; 1239 const struct sockaddr_in6 *sin6 = NULL; 1240 const struct in6_addr *lladdr = NULL; 1241 struct in6_addr *in6; 1242 1243 if (afp->af_af != AF_INET6) 1244 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1245 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1246 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1247 errx(EXIT_FAILURE, "interface index is already filled"); 1248 if (getifaddrs(&ifap) != 0) 1249 err(EXIT_FAILURE, "getifaddrs"); 1250 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1251 if (ifa->ifa_addr->sa_family == AF_INET6 && 1252 strcmp(ifa->ifa_name, name) == 0) { 1253 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1254 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1255 lladdr = &sin6->sin6_addr; 1256 break; 1257 } 1258 } 1259 } 1260 if (!lladdr) 1261 errx(EXIT_FAILURE, "could not determine link local address"); 1262 1263 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1264 1265 freeifaddrs(ifap); 1266 } 1267 #endif 1268 1269 void 1270 setifmetric(val, d) 1271 const char *val; 1272 int d; 1273 { 1274 char *ep = NULL; 1275 1276 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1277 ifr.ifr_metric = strtoul(val, &ep, 10); 1278 if (!ep || *ep) 1279 errx(EXIT_FAILURE, "%s: invalid metric", val); 1280 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1281 warn("SIOCSIFMETRIC"); 1282 } 1283 1284 void 1285 setifmtu(val, d) 1286 const char *val; 1287 int d; 1288 { 1289 char *ep = NULL; 1290 1291 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1292 ifr.ifr_mtu = strtoul(val, &ep, 10); 1293 if (!ep || *ep) 1294 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1295 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1296 warn("SIOCSIFMTU"); 1297 } 1298 1299 const char * 1300 get_string(val, sep, buf, lenp) 1301 const char *val, *sep; 1302 u_int8_t *buf; 1303 int *lenp; 1304 { 1305 int len; 1306 int hexstr; 1307 u_int8_t *p; 1308 1309 len = *lenp; 1310 p = buf; 1311 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1312 if (hexstr) 1313 val += 2; 1314 for (;;) { 1315 if (*val == '\0') 1316 break; 1317 if (sep != NULL && strchr(sep, *val) != NULL) { 1318 val++; 1319 break; 1320 } 1321 if (hexstr) { 1322 if (!isxdigit((u_char)val[0]) || 1323 !isxdigit((u_char)val[1])) { 1324 warnx("bad hexadecimal digits"); 1325 return NULL; 1326 } 1327 } 1328 if (p > buf + len) { 1329 if (hexstr) 1330 warnx("hexadecimal digits too long"); 1331 else 1332 warnx("strings too long"); 1333 return NULL; 1334 } 1335 if (hexstr) { 1336 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1337 *p++ = (tohex((u_char)val[0]) << 4) | 1338 tohex((u_char)val[1]); 1339 #undef tohex 1340 val += 2; 1341 } else 1342 *p++ = *val++; 1343 } 1344 len = p - buf; 1345 if (len < *lenp) 1346 memset(p, 0, *lenp - len); 1347 *lenp = len; 1348 return val; 1349 } 1350 1351 void 1352 print_string(buf, len) 1353 const u_int8_t *buf; 1354 int len; 1355 { 1356 int i; 1357 int hasspc; 1358 1359 i = 0; 1360 hasspc = 0; 1361 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1362 for (; i < len; i++) { 1363 if (!isprint(buf[i])) 1364 break; 1365 if (isspace(buf[i])) 1366 hasspc++; 1367 } 1368 } 1369 if (i == len) { 1370 if (hasspc || len == 0) 1371 printf("\"%.*s\"", len, buf); 1372 else 1373 printf("%.*s", len, buf); 1374 } else { 1375 printf("0x"); 1376 for (i = 0; i < len; i++) 1377 printf("%02x", buf[i]); 1378 } 1379 } 1380 1381 void 1382 setifnwid(val, d) 1383 const char *val; 1384 int d; 1385 { 1386 struct ieee80211_nwid nwid; 1387 int len; 1388 1389 len = sizeof(nwid.i_nwid); 1390 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1391 return; 1392 nwid.i_len = len; 1393 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1394 ifr.ifr_data = (caddr_t)&nwid; 1395 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1396 warn("SIOCS80211NWID"); 1397 } 1398 1399 void 1400 setifbssid(val, d) 1401 const char *val; 1402 int d; 1403 { 1404 struct ieee80211_bssid bssid; 1405 struct ether_addr *ea; 1406 1407 if (d != 0) { 1408 /* no BSSID is especially desired */ 1409 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1410 } else { 1411 ea = ether_aton(val); 1412 if (ea == NULL) { 1413 warnx("malformed BSSID: %s", val); 1414 return; 1415 } 1416 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1417 sizeof(bssid.i_bssid)); 1418 } 1419 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1420 if (ioctl(s, SIOCS80211BSSID, (caddr_t)&bssid) == -1) 1421 warn("SIOCS80211BSSID"); 1422 } 1423 1424 void 1425 setifchan(val, d) 1426 const char *val; 1427 int d; 1428 { 1429 struct ieee80211_channel channel; 1430 int chan; 1431 1432 chan = atoi(val); 1433 if (chan < 0 || chan > 0xffff) { 1434 warnx("invalid channel: %s", val); 1435 return; 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, (caddr_t)&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, (caddr_t)&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, (caddr_t)&power) == -1) { 1514 warn("SIOCG80211POWER"); 1515 return; 1516 } 1517 1518 power.i_enabled = d; 1519 if (ioctl(s, SIOCS80211POWER, (caddr_t)&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, (caddr_t)&power) == -1) { 1532 warn("SIOCG80211POWER"); 1533 return; 1534 } 1535 1536 power.i_maxsleep = atoi(val); 1537 if (ioctl(s, SIOCS80211POWER, (caddr_t)&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 ieee80211_channel channel; 1551 struct ether_addr ea; 1552 1553 memset(&ifr, 0, sizeof(ifr)); 1554 ifr.ifr_data = (caddr_t)&nwid; 1555 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1556 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1557 return; 1558 if (nwid.i_len > IEEE80211_NWID_LEN) { 1559 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1560 return; 1561 } 1562 printf("\tnwid "); 1563 print_string(nwid.i_nwid, nwid.i_len); 1564 memset(&nwkey, 0, sizeof(nwkey)); 1565 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1566 /* show nwkey only when WEP is enabled */ 1567 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1568 nwkey.i_wepon == 0) { 1569 printf("\n"); 1570 goto skip_wep; 1571 } 1572 1573 printf(" nwkey "); 1574 /* try to retrieve WEP keys */ 1575 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1576 nwkey.i_key[i].i_keydat = keybuf[i]; 1577 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1578 } 1579 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1580 printf("*****"); 1581 } else { 1582 nwkey_verbose = 0; 1583 /* check to see non default key or multiple keys defined */ 1584 if (nwkey.i_defkid != 1) { 1585 nwkey_verbose = 1; 1586 } else { 1587 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1588 if (nwkey.i_key[i].i_keylen != 0) { 1589 nwkey_verbose = 1; 1590 break; 1591 } 1592 } 1593 } 1594 /* check extra ambiguity with keywords */ 1595 if (!nwkey_verbose) { 1596 if (nwkey.i_key[0].i_keylen >= 2 && 1597 isdigit(nwkey.i_key[0].i_keydat[0]) && 1598 nwkey.i_key[0].i_keydat[1] == ':') 1599 nwkey_verbose = 1; 1600 else if (nwkey.i_key[0].i_keylen >= 7 && 1601 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1602 == 0) 1603 nwkey_verbose = 1; 1604 } 1605 if (nwkey_verbose) 1606 printf("%d:", nwkey.i_defkid); 1607 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1608 if (i > 0) 1609 printf(","); 1610 if (nwkey.i_key[i].i_keylen < 0) 1611 printf("persist"); 1612 else 1613 print_string(nwkey.i_key[i].i_keydat, 1614 nwkey.i_key[i].i_keylen); 1615 if (!nwkey_verbose) 1616 break; 1617 } 1618 } 1619 printf("\n"); 1620 1621 skip_wep: 1622 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1623 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1624 goto skip_power; 1625 printf("\tpowersave "); 1626 if (power.i_enabled) 1627 printf("on (%dms sleep)", power.i_maxsleep); 1628 else 1629 printf("off"); 1630 printf("\n"); 1631 1632 skip_power: 1633 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1634 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1635 return; 1636 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1637 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1638 return; 1639 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1640 sizeof(ea.ether_addr_octet)); 1641 printf("\tbssid %s chan %d", ether_ntoa(&ea), channel.i_channel); 1642 } 1643 1644 void 1645 init_current_media() 1646 { 1647 struct ifmediareq ifmr; 1648 1649 /* 1650 * If we have not yet done so, grab the currently-selected 1651 * media. 1652 */ 1653 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1654 (void) memset(&ifmr, 0, sizeof(ifmr)); 1655 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1656 1657 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1658 /* 1659 * If we get E2BIG, the kernel is telling us 1660 * that there are more, so we can ignore it. 1661 */ 1662 if (errno != E2BIG) 1663 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1664 } 1665 1666 media_current = ifmr.ifm_current; 1667 } 1668 1669 /* Sanity. */ 1670 if (IFM_TYPE(media_current) == 0) 1671 errx(EXIT_FAILURE, "%s: no link type?", name); 1672 } 1673 1674 void 1675 process_media_commands() 1676 { 1677 1678 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1679 /* Nothing to do. */ 1680 return; 1681 } 1682 1683 /* 1684 * Media already set up, and commands sanity-checked. Set/clear 1685 * any options, and we're ready to go. 1686 */ 1687 media_current |= mediaopt_set; 1688 media_current &= ~mediaopt_clear; 1689 1690 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1691 ifr.ifr_media = media_current; 1692 1693 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1694 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1695 } 1696 1697 void 1698 setmedia(val, d) 1699 const char *val; 1700 int d; 1701 { 1702 int type, subtype, inst; 1703 1704 init_current_media(); 1705 1706 /* Only one media command may be given. */ 1707 if (actions & A_MEDIA) 1708 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1709 1710 /* Must not come after mediaopt commands */ 1711 if (actions & A_MEDIAOPT) 1712 errx(EXIT_FAILURE, 1713 "may not issue `media' after `mediaopt' commands"); 1714 1715 /* 1716 * No need to check if `instance' has been issued; setmediainst() 1717 * craps out if `media' has not been specified. 1718 */ 1719 1720 type = IFM_TYPE(media_current); 1721 inst = IFM_INST(media_current); 1722 1723 /* Look up the subtype. */ 1724 subtype = get_media_subtype(type, val); 1725 1726 /* Build the new current media word. */ 1727 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1728 1729 /* Media will be set after other processing is complete. */ 1730 } 1731 1732 void 1733 setmediaopt(val, d) 1734 const char *val; 1735 int d; 1736 { 1737 1738 init_current_media(); 1739 1740 /* Can only issue `mediaopt' once. */ 1741 if (actions & A_MEDIAOPTSET) 1742 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1743 1744 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1745 if (actions & A_MEDIAINST) 1746 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1747 1748 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1749 1750 /* Media will be set after other processing is complete. */ 1751 } 1752 1753 void 1754 unsetmediaopt(val, d) 1755 const char *val; 1756 int d; 1757 { 1758 1759 init_current_media(); 1760 1761 /* Can only issue `-mediaopt' once. */ 1762 if (actions & A_MEDIAOPTCLR) 1763 errx(EXIT_FAILURE, 1764 "only one `-mediaopt' command may be issued"); 1765 1766 /* May not issue `media' and `-mediaopt'. */ 1767 if (actions & A_MEDIA) 1768 errx(EXIT_FAILURE, 1769 "may not issue both `media' and `-mediaopt'"); 1770 1771 /* 1772 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1773 * implicitly checks for A_MEDIAINST. 1774 */ 1775 1776 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1777 1778 /* Media will be set after other processing is complete. */ 1779 } 1780 1781 void 1782 setmediainst(val, d) 1783 const char *val; 1784 int d; 1785 { 1786 int type, subtype, options, inst; 1787 1788 init_current_media(); 1789 1790 /* Can only issue `instance' once. */ 1791 if (actions & A_MEDIAINST) 1792 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1793 1794 /* Must have already specified `media' */ 1795 if ((actions & A_MEDIA) == 0) 1796 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1797 1798 type = IFM_TYPE(media_current); 1799 subtype = IFM_SUBTYPE(media_current); 1800 options = IFM_OPTIONS(media_current); 1801 1802 inst = atoi(val); 1803 if (inst < 0 || inst > IFM_INST_MAX) 1804 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1805 1806 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1807 1808 /* Media will be set after other processing is complete. */ 1809 } 1810 1811 struct ifmedia_description ifm_type_descriptions[] = 1812 IFM_TYPE_DESCRIPTIONS; 1813 1814 struct ifmedia_description ifm_subtype_descriptions[] = 1815 IFM_SUBTYPE_DESCRIPTIONS; 1816 1817 struct ifmedia_description ifm_option_descriptions[] = 1818 IFM_OPTION_DESCRIPTIONS; 1819 1820 const char * 1821 get_media_type_string(mword) 1822 int mword; 1823 { 1824 struct ifmedia_description *desc; 1825 1826 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1827 desc++) { 1828 if (IFM_TYPE(mword) == desc->ifmt_word) 1829 return (desc->ifmt_string); 1830 } 1831 return ("<unknown type>"); 1832 } 1833 1834 const char * 1835 get_media_subtype_string(mword) 1836 int mword; 1837 { 1838 struct ifmedia_description *desc; 1839 1840 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1841 desc++) { 1842 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1843 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1844 return (desc->ifmt_string); 1845 } 1846 return ("<unknown subtype>"); 1847 } 1848 1849 int 1850 get_media_subtype(type, val) 1851 int type; 1852 const char *val; 1853 { 1854 int rval; 1855 1856 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1857 if (rval == -1) 1858 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1859 get_media_type_string(type), val); 1860 1861 return (rval); 1862 } 1863 1864 int 1865 get_media_options(type, val) 1866 int type; 1867 const char *val; 1868 { 1869 char *optlist, *str; 1870 int option, rval = 0; 1871 1872 /* We muck with the string, so copy it. */ 1873 optlist = strdup(val); 1874 if (optlist == NULL) 1875 err(EXIT_FAILURE, "strdup"); 1876 str = optlist; 1877 1878 /* 1879 * Look up the options in the user-provided comma-separated list. 1880 */ 1881 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1882 option = lookup_media_word(ifm_option_descriptions, type, str); 1883 if (option == -1) 1884 errx(EXIT_FAILURE, "unknown %s media option: %s", 1885 get_media_type_string(type), str); 1886 rval |= IFM_OPTIONS(option); 1887 } 1888 1889 free(optlist); 1890 return (rval); 1891 } 1892 1893 int 1894 lookup_media_word(desc, type, val) 1895 struct ifmedia_description *desc; 1896 int type; 1897 const char *val; 1898 { 1899 1900 for (; desc->ifmt_string != NULL; desc++) { 1901 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1902 strcasecmp(desc->ifmt_string, val) == 0) 1903 return (desc->ifmt_word); 1904 } 1905 return (-1); 1906 } 1907 1908 void 1909 print_media_word(ifmw, print_type, as_syntax) 1910 int ifmw, print_type, as_syntax; 1911 { 1912 struct ifmedia_description *desc; 1913 int seen_option = 0; 1914 1915 if (print_type) 1916 printf("%s ", get_media_type_string(ifmw)); 1917 printf("%s%s", as_syntax ? "media " : "", 1918 get_media_subtype_string(ifmw)); 1919 1920 /* Find options. */ 1921 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1922 desc++) { 1923 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1924 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1925 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1926 if (seen_option == 0) 1927 printf(" %s", as_syntax ? "mediaopt " : ""); 1928 printf("%s%s", seen_option ? "," : "", 1929 desc->ifmt_string); 1930 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1931 } 1932 } 1933 if (IFM_INST(ifmw) != 0) 1934 printf(" instance %d", IFM_INST(ifmw)); 1935 } 1936 1937 int carrier() 1938 { 1939 struct ifmediareq ifmr; 1940 1941 (void) memset(&ifmr, 0, sizeof(ifmr)); 1942 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1943 1944 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1945 /* 1946 * Interface doesn't support SIOC{G,S}IFMEDIA; 1947 * assume ok. 1948 */ 1949 return 0; 1950 } 1951 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1952 /* 1953 * Interface doesn't report media-valid status. 1954 * assume ok. 1955 */ 1956 return 0; 1957 } 1958 /* otherwise, return ok for active, not-ok if not active. */ 1959 return !(ifmr.ifm_status & IFM_ACTIVE); 1960 } 1961 1962 1963 #define IFFBITS \ 1964 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1965 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1966 1967 #define IFCAPBITS \ 1968 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1969 1970 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1971 1972 const struct ifmedia_status_description ifm_status_descriptions[] = 1973 IFM_STATUS_DESCRIPTIONS; 1974 1975 /* 1976 * Print the status of the interface. If an address family was 1977 * specified, show it and it only; otherwise, show them all. 1978 */ 1979 void 1980 status(sdl) 1981 const struct sockaddr_dl *sdl; 1982 { 1983 struct afswtch *p = afp; 1984 struct ifmediareq ifmr; 1985 struct ifdatareq ifdr; 1986 int *media_list, i; 1987 char hbuf[NI_MAXHOST]; 1988 char fbuf[BUFSIZ]; 1989 1990 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1991 printf("%s: flags=%s", name, &fbuf[2]); 1992 if (metric) 1993 printf(" metric %lu", metric); 1994 if (mtu) 1995 printf(" mtu %lu", mtu); 1996 putchar('\n'); 1997 1998 if (g_ifcr.ifcr_capabilities) { 1999 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2000 g_ifcr.ifcr_capabilities); 2001 printf("\tcapabilities=%s\n", &fbuf[2]); 2002 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2003 g_ifcr.ifcr_capenable); 2004 printf("\tenabled=%s\n", &fbuf[2]); 2005 } 2006 2007 ieee80211_status(); 2008 vlan_status(); 2009 tunnel_status(); 2010 2011 if (sdl != NULL && 2012 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2013 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2014 hbuf[0] != '\0') 2015 printf("\taddress: %s\n", hbuf); 2016 2017 (void) memset(&ifmr, 0, sizeof(ifmr)); 2018 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2019 2020 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2021 /* 2022 * Interface doesn't support SIOC{G,S}IFMEDIA. 2023 */ 2024 goto iface_stats; 2025 } 2026 2027 if (ifmr.ifm_count == 0) { 2028 warnx("%s: no media types?", name); 2029 goto iface_stats; 2030 } 2031 2032 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2033 if (media_list == NULL) 2034 err(EXIT_FAILURE, "malloc"); 2035 ifmr.ifm_ulist = media_list; 2036 2037 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 2038 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2039 2040 printf("\tmedia: "); 2041 print_media_word(ifmr.ifm_current, 1, 0); 2042 if (ifmr.ifm_active != ifmr.ifm_current) { 2043 putchar(' '); 2044 putchar('('); 2045 print_media_word(ifmr.ifm_active, 0, 0); 2046 putchar(')'); 2047 } 2048 putchar('\n'); 2049 2050 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2051 const struct ifmedia_status_description *ifms; 2052 int bitno, found = 0; 2053 2054 printf("\tstatus: "); 2055 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2056 for (ifms = ifm_status_descriptions; 2057 ifms->ifms_valid != 0; ifms++) { 2058 if (ifms->ifms_type != 2059 IFM_TYPE(ifmr.ifm_current) || 2060 ifms->ifms_valid != 2061 ifm_status_valid_list[bitno]) 2062 continue; 2063 printf("%s%s", found ? ", " : "", 2064 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2065 found = 1; 2066 2067 /* 2068 * For each valid indicator bit, there's 2069 * only one entry for each media type, so 2070 * terminate the inner loop now. 2071 */ 2072 break; 2073 } 2074 } 2075 2076 if (found == 0) 2077 printf("unknown"); 2078 putchar('\n'); 2079 } 2080 2081 if (mflag) { 2082 int type, printed_type; 2083 2084 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2085 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2086 if (IFM_TYPE(media_list[i]) == type) { 2087 if (printed_type == 0) { 2088 printf("\tsupported %s media:\n", 2089 get_media_type_string(type)); 2090 printed_type = 1; 2091 } 2092 printf("\t\t"); 2093 print_media_word(media_list[i], 0, 1); 2094 printf("\n"); 2095 } 2096 } 2097 } 2098 } 2099 2100 free(media_list); 2101 2102 iface_stats: 2103 if (!vflag) 2104 goto proto_status; 2105 2106 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2107 2108 if (ioctl(s, SIOCGIFDATA, (caddr_t)&ifdr) != -1) { 2109 struct if_data * const ifi = &ifdr.ifdr_data; 2110 #define PLURAL(n) ((n) == 1 ? "" : "s") 2111 printf("\tinput: %llu packet%s, %llu byte%s", 2112 (unsigned long long) ifi->ifi_ipackets, 2113 PLURAL(ifi->ifi_ipackets), 2114 (unsigned long long) ifi->ifi_ibytes, 2115 PLURAL(ifi->ifi_ibytes)); 2116 if (ifi->ifi_imcasts) 2117 printf(", %llu multicast%s", 2118 (unsigned long long) ifi->ifi_imcasts, 2119 PLURAL(ifi->ifi_imcasts)); 2120 if (ifi->ifi_ierrors) 2121 printf(", %llu error%s", 2122 (unsigned long long) ifi->ifi_ierrors, 2123 PLURAL(ifi->ifi_ierrors)); 2124 if (ifi->ifi_iqdrops) 2125 printf(", %llu queue drop%s", 2126 (unsigned long long) ifi->ifi_iqdrops, 2127 PLURAL(ifi->ifi_iqdrops)); 2128 if (ifi->ifi_noproto) 2129 printf(", %llu unknown protocol", 2130 (unsigned long long) ifi->ifi_noproto); 2131 printf("\n\toutput: %llu packet%s, %llu byte%s", 2132 (unsigned long long) ifi->ifi_opackets, 2133 PLURAL(ifi->ifi_opackets), 2134 (unsigned long long) ifi->ifi_obytes, 2135 PLURAL(ifi->ifi_obytes)); 2136 if (ifi->ifi_omcasts) 2137 printf(", %llu multicast%s", 2138 (unsigned long long) ifi->ifi_omcasts, 2139 PLURAL(ifi->ifi_omcasts)); 2140 if (ifi->ifi_oerrors) 2141 printf(", %llu error%s", 2142 (unsigned long long) ifi->ifi_oerrors, 2143 PLURAL(ifi->ifi_oerrors)); 2144 if (ifi->ifi_collisions) 2145 printf(", %llu collision%s", 2146 (unsigned long long) ifi->ifi_collisions, 2147 PLURAL(ifi->ifi_collisions)); 2148 printf("\n"); 2149 #undef PLURAL 2150 } 2151 2152 proto_status: 2153 if ((p = afp) != NULL) { 2154 (*p->af_status)(1); 2155 } else for (p = afs; p->af_name; p++) { 2156 ifr.ifr_addr.sa_family = p->af_af; 2157 (*p->af_status)(0); 2158 } 2159 } 2160 2161 void 2162 tunnel_status() 2163 { 2164 char psrcaddr[NI_MAXHOST]; 2165 char pdstaddr[NI_MAXHOST]; 2166 const char *ver = ""; 2167 #ifdef NI_WITHSCOPEID 2168 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2169 #else 2170 const int niflag = NI_NUMERICHOST; 2171 #endif 2172 struct if_laddrreq req; 2173 2174 psrcaddr[0] = pdstaddr[0] = '\0'; 2175 2176 memset(&req, 0, sizeof(req)); 2177 strncpy(req.iflr_name, name, IFNAMSIZ); 2178 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2179 return; 2180 #ifdef INET6 2181 if (req.addr.ss_family == AF_INET6) 2182 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2183 #endif 2184 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2185 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2186 #ifdef INET6 2187 if (req.addr.ss_family == AF_INET6) 2188 ver = "6"; 2189 #endif 2190 2191 #ifdef INET6 2192 if (req.dstaddr.ss_family == AF_INET6) 2193 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2194 #endif 2195 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2196 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2197 2198 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2199 } 2200 2201 void 2202 vlan_status() 2203 { 2204 struct vlanreq vlr; 2205 2206 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2207 !isdigit(ifr.ifr_name[4])) 2208 return; 2209 2210 memset(&vlr, 0, sizeof(vlr)); 2211 ifr.ifr_data = (caddr_t)&vlr; 2212 2213 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2214 return; 2215 2216 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2217 printf("\tvlan: %d parent: %s\n", 2218 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2219 "<none>" : vlr.vlr_parent); 2220 } 2221 2222 void 2223 in_alias(creq) 2224 struct ifreq *creq; 2225 { 2226 struct sockaddr_in *iasin; 2227 int alias; 2228 2229 if (lflag) 2230 return; 2231 2232 alias = 1; 2233 2234 /* Get the non-alias address for this interface. */ 2235 getsock(AF_INET); 2236 if (s < 0) { 2237 if (errno == EPROTONOSUPPORT) 2238 return; 2239 err(EXIT_FAILURE, "socket"); 2240 } 2241 (void) memset(&ifr, 0, sizeof(ifr)); 2242 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2243 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2244 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2245 return; 2246 } else 2247 warn("SIOCGIFADDR"); 2248 } 2249 /* If creq and ifr are the same address, this is not an alias. */ 2250 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2251 sizeof(creq->ifr_addr)) == 0) 2252 alias = 0; 2253 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2254 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2255 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2256 sizeof(in_addreq.ifra_addr)); 2257 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2258 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2259 return; 2260 } else 2261 warn("SIOCGIFALIAS"); 2262 } 2263 2264 iasin = &in_addreq.ifra_addr; 2265 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2266 2267 if (flags & IFF_POINTOPOINT) { 2268 iasin = &in_addreq.ifra_dstaddr; 2269 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2270 } 2271 2272 iasin = &in_addreq.ifra_mask; 2273 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2274 2275 if (flags & IFF_BROADCAST) { 2276 iasin = &in_addreq.ifra_broadaddr; 2277 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2278 } 2279 printf("\n"); 2280 } 2281 2282 void 2283 in_status(force) 2284 int force; 2285 { 2286 struct ifaddrs *ifap, *ifa; 2287 struct ifreq isifr; 2288 2289 if (getifaddrs(&ifap) != 0) 2290 err(EXIT_FAILURE, "getifaddrs"); 2291 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2292 if (strcmp(name, ifa->ifa_name) != 0) 2293 continue; 2294 if (ifa->ifa_addr->sa_family != AF_INET) 2295 continue; 2296 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2297 continue; 2298 2299 memset(&isifr, 0, sizeof(isifr)); 2300 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2301 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2302 in_alias(&isifr); 2303 } 2304 freeifaddrs(ifap); 2305 } 2306 2307 void 2308 setifprefixlen(addr, d) 2309 const char *addr; 2310 int d; 2311 { 2312 if (*afp->af_getprefix) 2313 (*afp->af_getprefix)(addr, MASK); 2314 explicit_prefix = 1; 2315 } 2316 2317 #ifdef INET6 2318 void 2319 in6_fillscopeid(sin6) 2320 struct sockaddr_in6 *sin6; 2321 { 2322 #if defined(__KAME__) && defined(KAME_SCOPEID) 2323 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2324 sin6->sin6_scope_id = 2325 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2326 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2327 } 2328 #endif 2329 } 2330 2331 /* XXX not really an alias */ 2332 void 2333 in6_alias(creq) 2334 struct in6_ifreq *creq; 2335 { 2336 struct sockaddr_in6 *sin6; 2337 char hbuf[NI_MAXHOST]; 2338 u_int32_t scopeid; 2339 #ifdef NI_WITHSCOPEID 2340 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2341 #else 2342 const int niflag = NI_NUMERICHOST; 2343 #endif 2344 2345 /* Get the non-alias address for this interface. */ 2346 getsock(AF_INET6); 2347 if (s < 0) { 2348 if (errno == EPROTONOSUPPORT) 2349 return; 2350 err(EXIT_FAILURE, "socket"); 2351 } 2352 2353 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2354 2355 in6_fillscopeid(sin6); 2356 scopeid = sin6->sin6_scope_id; 2357 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2358 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2359 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2360 printf("\tinet6 %s", hbuf); 2361 2362 if (flags & IFF_POINTOPOINT) { 2363 (void) memset(&ifr6, 0, sizeof(ifr6)); 2364 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2365 ifr6.ifr_addr = creq->ifr_addr; 2366 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2367 if (errno != EADDRNOTAVAIL) 2368 warn("SIOCGIFDSTADDR_IN6"); 2369 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2370 ifr6.ifr_addr.sin6_family = AF_INET6; 2371 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2372 } 2373 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2374 in6_fillscopeid(sin6); 2375 hbuf[0] = '\0'; 2376 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2377 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2378 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2379 printf(" -> %s", hbuf); 2380 } 2381 2382 (void) memset(&ifr6, 0, sizeof(ifr6)); 2383 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2384 ifr6.ifr_addr = creq->ifr_addr; 2385 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2386 if (errno != EADDRNOTAVAIL) 2387 warn("SIOCGIFNETMASK_IN6"); 2388 } else { 2389 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2390 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2391 sizeof(struct in6_addr))); 2392 } 2393 2394 (void) memset(&ifr6, 0, sizeof(ifr6)); 2395 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2396 ifr6.ifr_addr = creq->ifr_addr; 2397 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2398 if (errno != EADDRNOTAVAIL) 2399 warn("SIOCGIFAFLAG_IN6"); 2400 } else { 2401 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2402 printf(" anycast"); 2403 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2404 printf(" tentative"); 2405 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2406 printf(" duplicated"); 2407 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2408 printf(" detached"); 2409 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2410 printf(" deprecated"); 2411 } 2412 2413 if (scopeid) 2414 printf(" scopeid 0x%x", scopeid); 2415 2416 if (Lflag) { 2417 struct in6_addrlifetime *lifetime; 2418 (void) memset(&ifr6, 0, sizeof(ifr6)); 2419 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2420 ifr6.ifr_addr = creq->ifr_addr; 2421 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2422 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2423 if (errno != EADDRNOTAVAIL) 2424 warn("SIOCGIFALIFETIME_IN6"); 2425 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2426 time_t t = time(NULL); 2427 printf(" pltime "); 2428 if (lifetime->ia6t_preferred) { 2429 printf("%s", lifetime->ia6t_preferred < t 2430 ? "0" 2431 : sec2str(lifetime->ia6t_preferred - t)); 2432 } else 2433 printf("infty"); 2434 2435 printf(" vltime "); 2436 if (lifetime->ia6t_expire) { 2437 printf("%s", lifetime->ia6t_expire < t 2438 ? "0" 2439 : sec2str(lifetime->ia6t_expire - t)); 2440 } else 2441 printf("infty"); 2442 } 2443 } 2444 2445 printf("\n"); 2446 } 2447 2448 void 2449 in6_status(force) 2450 int force; 2451 { 2452 struct ifaddrs *ifap, *ifa; 2453 struct in6_ifreq isifr; 2454 2455 if (getifaddrs(&ifap) != 0) 2456 err(EXIT_FAILURE, "getifaddrs"); 2457 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2458 if (strcmp(name, ifa->ifa_name) != 0) 2459 continue; 2460 if (ifa->ifa_addr->sa_family != AF_INET6) 2461 continue; 2462 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2463 continue; 2464 2465 memset(&isifr, 0, sizeof(isifr)); 2466 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2467 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2468 in6_alias(&isifr); 2469 } 2470 freeifaddrs(ifap); 2471 } 2472 #endif /*INET6*/ 2473 2474 #ifndef INET_ONLY 2475 2476 void 2477 at_status(force) 2478 int force; 2479 { 2480 struct sockaddr_at *sat, null_sat; 2481 struct netrange *nr; 2482 2483 getsock(AF_APPLETALK); 2484 if (s < 0) { 2485 if (errno == EPROTONOSUPPORT) 2486 return; 2487 err(EXIT_FAILURE, "socket"); 2488 } 2489 (void) memset(&ifr, 0, sizeof(ifr)); 2490 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2491 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2492 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2493 if (!force) 2494 return; 2495 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2496 } else 2497 warn("SIOCGIFADDR"); 2498 } 2499 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2500 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2501 2502 (void) memset(&null_sat, 0, sizeof(null_sat)); 2503 2504 nr = (struct netrange *) &sat->sat_zero; 2505 printf("\tatalk %d.%d range %d-%d phase %d", 2506 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2507 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2508 if (flags & IFF_POINTOPOINT) { 2509 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2510 if (errno == EADDRNOTAVAIL) 2511 (void) memset(&ifr.ifr_addr, 0, 2512 sizeof(ifr.ifr_addr)); 2513 else 2514 warn("SIOCGIFDSTADDR"); 2515 } 2516 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2517 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2518 if (!sat) 2519 sat = &null_sat; 2520 printf("--> %d.%d", 2521 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2522 } 2523 if (flags & IFF_BROADCAST) { 2524 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2525 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2526 if (sat) 2527 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2528 sat->sat_addr.s_node); 2529 } 2530 putchar('\n'); 2531 } 2532 2533 void 2534 xns_status(force) 2535 int force; 2536 { 2537 struct sockaddr_ns *sns; 2538 2539 getsock(AF_NS); 2540 if (s < 0) { 2541 if (errno == EPROTONOSUPPORT) 2542 return; 2543 err(EXIT_FAILURE, "socket"); 2544 } 2545 (void) memset(&ifr, 0, sizeof(ifr)); 2546 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2547 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2548 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2549 if (!force) 2550 return; 2551 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2552 } else 2553 warn("SIOCGIFADDR"); 2554 } 2555 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2556 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2557 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2558 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2559 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2560 if (errno == EADDRNOTAVAIL) 2561 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2562 else 2563 warn("SIOCGIFDSTADDR"); 2564 } 2565 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2566 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2567 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2568 } 2569 putchar('\n'); 2570 } 2571 2572 void 2573 iso_status(force) 2574 int force; 2575 { 2576 struct sockaddr_iso *siso; 2577 struct iso_ifreq isoifr; 2578 2579 getsock(AF_ISO); 2580 if (s < 0) { 2581 if (errno == EPROTONOSUPPORT) 2582 return; 2583 err(EXIT_FAILURE, "socket"); 2584 } 2585 (void) memset(&isoifr, 0, sizeof(isoifr)); 2586 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2587 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2588 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2589 if (!force) 2590 return; 2591 (void) memset(&isoifr.ifr_Addr, 0, 2592 sizeof(isoifr.ifr_Addr)); 2593 } else 2594 warn("SIOCGIFADDR_ISO"); 2595 } 2596 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2597 siso = &isoifr.ifr_Addr; 2598 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2599 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2600 if (errno == EADDRNOTAVAIL) 2601 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2602 else 2603 warn("SIOCGIFNETMASK_ISO"); 2604 } else { 2605 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2606 siso->siso_addr.isoa_len = siso->siso_len 2607 - offsetof(struct sockaddr_iso, siso_addr); 2608 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2609 } 2610 if (flags & IFF_POINTOPOINT) { 2611 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2612 if (errno == EADDRNOTAVAIL) 2613 memset(&isoifr.ifr_Addr, 0, 2614 sizeof(isoifr.ifr_Addr)); 2615 else 2616 warn("SIOCGIFDSTADDR_ISO"); 2617 } 2618 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2619 siso = &isoifr.ifr_Addr; 2620 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2621 } 2622 putchar('\n'); 2623 } 2624 2625 #endif /* INET_ONLY */ 2626 2627 #define SIN(x) ((struct sockaddr_in *) &(x)) 2628 struct sockaddr_in *sintab[] = { 2629 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2630 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2631 2632 void 2633 in_getaddr(str, which) 2634 const char *str; 2635 int which; 2636 { 2637 struct sockaddr_in *gasin = sintab[which]; 2638 struct hostent *hp; 2639 struct netent *np; 2640 2641 gasin->sin_len = sizeof(*gasin); 2642 if (which != MASK) 2643 gasin->sin_family = AF_INET; 2644 2645 if (which == ADDR) { 2646 char *p = NULL; 2647 if ((p = strrchr(str, '/')) != NULL) { 2648 *p = '\0'; 2649 in_getprefix(p + 1, MASK); 2650 } 2651 } 2652 2653 if (inet_aton(str, &gasin->sin_addr) == 0) { 2654 if ((hp = gethostbyname(str)) != NULL) 2655 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2656 else if ((np = getnetbyname(str)) != NULL) 2657 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2658 else 2659 errx(EXIT_FAILURE, "%s: bad value", str); 2660 } 2661 } 2662 2663 void 2664 in_getprefix(plen, which) 2665 const char *plen; 2666 int which; 2667 { 2668 register struct sockaddr_in *igsin = sintab[which]; 2669 register u_char *cp; 2670 int len = strtol(plen, (char **)NULL, 10); 2671 2672 if ((len < 0) || (len > 32)) 2673 errx(EXIT_FAILURE, "%s: bad value", plen); 2674 igsin->sin_len = sizeof(*igsin); 2675 if (which != MASK) 2676 igsin->sin_family = AF_INET; 2677 if ((len == 0) || (len == 32)) { 2678 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2679 return; 2680 } 2681 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2682 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2683 *cp++ = 0xff; 2684 if (len) 2685 *cp = 0xff << (8 - len); 2686 } 2687 2688 #ifdef INET6 2689 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2690 struct sockaddr_in6 *sin6tab[] = { 2691 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2692 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2693 2694 void 2695 in6_getaddr(str, which) 2696 const char *str; 2697 int which; 2698 { 2699 #if defined(__KAME__) && defined(KAME_SCOPEID) 2700 struct sockaddr_in6 *sin6 = sin6tab[which]; 2701 struct addrinfo hints, *res; 2702 int error; 2703 2704 memset(&hints, 0, sizeof(hints)); 2705 hints.ai_family = AF_INET6; 2706 hints.ai_socktype = SOCK_DGRAM; 2707 #if 0 /* in_getaddr() allows FQDN */ 2708 hints.ai_flags = AI_NUMERICHOST; 2709 #endif 2710 error = getaddrinfo(str, "0", &hints, &res); 2711 if (error) 2712 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2713 if (res->ai_next) 2714 errx(EXIT_FAILURE, "%s: resolved to multiple hosts", str); 2715 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2716 errx(EXIT_FAILURE, "%s: bad value", str); 2717 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2718 freeaddrinfo(res); 2719 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2720 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2721 htons(sin6->sin6_scope_id); 2722 sin6->sin6_scope_id = 0; 2723 } 2724 #else 2725 struct sockaddr_in6 *gasin = sin6tab[which]; 2726 2727 gasin->sin6_len = sizeof(*gasin); 2728 if (which != MASK) 2729 gasin->sin6_family = AF_INET6; 2730 2731 if (which == ADDR) { 2732 char *p = NULL; 2733 if((p = strrchr(str, '/')) != NULL) { 2734 *p = '\0'; 2735 in6_getprefix(p + 1, MASK); 2736 explicit_prefix = 1; 2737 } 2738 } 2739 2740 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2741 errx(EXIT_FAILURE, "%s: bad value", str); 2742 #endif 2743 } 2744 2745 void 2746 in6_getprefix(plen, which) 2747 const char *plen; 2748 int which; 2749 { 2750 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2751 register u_char *cp; 2752 int len = strtol(plen, (char **)NULL, 10); 2753 2754 if ((len < 0) || (len > 128)) 2755 errx(EXIT_FAILURE, "%s: bad value", plen); 2756 gpsin->sin6_len = sizeof(*gpsin); 2757 if (which != MASK) 2758 gpsin->sin6_family = AF_INET6; 2759 if ((len == 0) || (len == 128)) { 2760 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2761 return; 2762 } 2763 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2764 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2765 *cp++ = 0xff; 2766 if (len) 2767 *cp = 0xff << (8 - len); 2768 } 2769 2770 int 2771 prefix(val, size) 2772 void *val; 2773 int size; 2774 { 2775 register u_char *pname = (u_char *)val; 2776 register int byte, bit, plen = 0; 2777 2778 for (byte = 0; byte < size; byte++, plen += 8) 2779 if (pname[byte] != 0xff) 2780 break; 2781 if (byte == size) 2782 return (plen); 2783 for (bit = 7; bit != 0; bit--, plen++) 2784 if (!(pname[byte] & (1 << bit))) 2785 break; 2786 for (; bit != 0; bit--) 2787 if (pname[byte] & (1 << bit)) 2788 return(0); 2789 byte++; 2790 for (; byte < size; byte++) 2791 if (pname[byte]) 2792 return(0); 2793 return (plen); 2794 } 2795 #endif /*INET6*/ 2796 2797 #ifndef INET_ONLY 2798 void 2799 at_getaddr(addr, which) 2800 const char *addr; 2801 int which; 2802 { 2803 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2804 u_int net, node; 2805 2806 sat->sat_family = AF_APPLETALK; 2807 sat->sat_len = sizeof(*sat); 2808 if (which == MASK) 2809 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2810 if (sscanf(addr, "%u.%u", &net, &node) != 2 2811 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2812 errx(EXIT_FAILURE, "%s: illegal address", addr); 2813 sat->sat_addr.s_net = htons(net); 2814 sat->sat_addr.s_node = node; 2815 } 2816 2817 void 2818 setatrange(range, d) 2819 const char *range; 2820 int d; 2821 { 2822 u_short first = 123, last = 123; 2823 2824 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2825 || first == 0 /* || first > 0xffff */ 2826 || last == 0 /* || last > 0xffff */ || first > last) 2827 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2828 first, last); 2829 at_nr.nr_firstnet = htons(first); 2830 at_nr.nr_lastnet = htons(last); 2831 } 2832 2833 void 2834 setatphase(phase, d) 2835 const char *phase; 2836 int d; 2837 { 2838 if (!strcmp(phase, "1")) 2839 at_nr.nr_phase = 1; 2840 else if (!strcmp(phase, "2")) 2841 at_nr.nr_phase = 2; 2842 else 2843 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2844 } 2845 2846 void 2847 checkatrange(sat) 2848 struct sockaddr_at *sat; 2849 { 2850 if (at_nr.nr_phase == 0) 2851 at_nr.nr_phase = 2; /* Default phase 2 */ 2852 if (at_nr.nr_firstnet == 0) 2853 at_nr.nr_firstnet = /* Default range of one */ 2854 at_nr.nr_lastnet = sat->sat_addr.s_net; 2855 printf("\tatalk %d.%d range %d-%d phase %d\n", 2856 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2857 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2858 if ((u_short) ntohs(at_nr.nr_firstnet) > 2859 (u_short) ntohs(sat->sat_addr.s_net) 2860 || (u_short) ntohs(at_nr.nr_lastnet) < 2861 (u_short) ntohs(sat->sat_addr.s_net)) 2862 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2863 *((struct netrange *) &sat->sat_zero) = at_nr; 2864 } 2865 2866 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2867 struct sockaddr_ns *snstab[] = { 2868 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2869 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2870 2871 void 2872 xns_getaddr(addr, which) 2873 const char *addr; 2874 int which; 2875 { 2876 struct sockaddr_ns *sns = snstab[which]; 2877 2878 sns->sns_family = AF_NS; 2879 sns->sns_len = sizeof(*sns); 2880 sns->sns_addr = ns_addr(addr); 2881 if (which == MASK) 2882 puts("Attempt to set XNS netmask will be ineffectual"); 2883 } 2884 2885 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2886 struct sockaddr_iso *sisotab[] = { 2887 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2888 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2889 2890 void 2891 iso_getaddr(addr, which) 2892 const char *addr; 2893 int which; 2894 { 2895 struct sockaddr_iso *siso = sisotab[which]; 2896 siso->siso_addr = *iso_addr(addr); 2897 2898 if (which == MASK) { 2899 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2900 siso->siso_nlen = 0; 2901 } else { 2902 siso->siso_len = sizeof(*siso); 2903 siso->siso_family = AF_ISO; 2904 } 2905 } 2906 2907 void 2908 setsnpaoffset(val, d) 2909 const char *val; 2910 int d; 2911 { 2912 iso_addreq.ifra_snpaoffset = atoi(val); 2913 } 2914 2915 void 2916 setnsellength(val, d) 2917 const char *val; 2918 int d; 2919 { 2920 nsellength = atoi(val); 2921 if (nsellength < 0) 2922 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2923 if (afp == 0 || afp->af_af != AF_ISO) 2924 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2925 } 2926 2927 void 2928 fixnsel(siso) 2929 struct sockaddr_iso *siso; 2930 { 2931 if (siso->siso_family == 0) 2932 return; 2933 siso->siso_tlen = nsellength; 2934 } 2935 2936 void 2937 adjust_nsellength() 2938 { 2939 fixnsel(sisotab[RIDADDR]); 2940 fixnsel(sisotab[ADDR]); 2941 fixnsel(sisotab[DSTADDR]); 2942 } 2943 2944 #endif /* INET_ONLY */ 2945 2946 void 2947 usage() 2948 { 2949 const char *progname = getprogname(); 2950 2951 fprintf(stderr, 2952 "usage: %s [ -m ] [ -v ]" 2953 #ifdef INET6 2954 "[ -L ] " 2955 #endif 2956 "interface\n" 2957 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2958 "\t\t[ alias | -alias ] ]\n" 2959 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2960 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2961 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2962 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2963 "\t[ arp | -arp ]\n" 2964 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2965 "[ instance minst ]\n" 2966 "\t[ vlan n vlanif i ]\n" 2967 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2968 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2969 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2970 " %s -a [ -m ] [ -d ] [ -u ] [ -v ] [ af ]\n" 2971 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2972 " %s -C\n" 2973 " %s interface create\n" 2974 " %s interface destroy\n", 2975 progname, progname, progname, progname, progname, progname); 2976 exit(1); 2977 } 2978 2979 #ifdef INET6 2980 char * 2981 sec2str(total) 2982 time_t total; 2983 { 2984 static char result[256]; 2985 int days, hours, mins, secs; 2986 int first = 1; 2987 char *p = result; 2988 char *end = &result[sizeof(result)]; 2989 int n; 2990 2991 if (0) { /*XXX*/ 2992 days = total / 3600 / 24; 2993 hours = (total / 3600) % 24; 2994 mins = (total / 60) % 60; 2995 secs = total % 60; 2996 2997 if (days) { 2998 first = 0; 2999 n = snprintf(p, end - p, "%dd", days); 3000 if (n < 0 || n >= end - p) 3001 return(result); 3002 p += n; 3003 } 3004 if (!first || hours) { 3005 first = 0; 3006 n = snprintf(p, end - p, "%dh", hours); 3007 if (n < 0 || n >= end - p) 3008 return(result); 3009 p += n; 3010 } 3011 if (!first || mins) { 3012 first = 0; 3013 n = snprintf(p, end - p, "%dm", mins); 3014 if (n < 0 || n >= end - p) 3015 return(result); 3016 p += n; 3017 } 3018 snprintf(p, end - p, "%ds", secs); 3019 } else 3020 snprintf(p, end - p, "%lu", (u_long)total); 3021 3022 return(result); 3023 } 3024 #endif 3025
Indexes created Tue Sep 30 10:09:55 GMT 2025