ifconfig.c revision 1.138
1 /* $NetBSD: ifconfig.c,v 1.138 2003/08/07 10:04:24 agc 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 1.138 2003/08/07 10:04:24 agc 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 <net/if_ieee80211.h> 92 #include <net/if_vlanvar.h> 93 #include <netinet/in.h> 94 #include <netinet/in_var.h> 95 #ifdef INET6 96 #include <netinet6/nd6.h> 97 #endif 98 #include <arpa/inet.h> 99 100 #include <netatalk/at.h> 101 102 #define NSIP 103 #include <netns/ns.h> 104 #include <netns/ns_if.h> 105 #include <netdb.h> 106 107 #define EON 108 #include <netiso/iso.h> 109 #include <netiso/iso_var.h> 110 #include <sys/protosw.h> 111 112 #include <ctype.h> 113 #include <err.h> 114 #include <errno.h> 115 #include <stddef.h> 116 #include <stdio.h> 117 #include <stdlib.h> 118 #include <string.h> 119 #include <unistd.h> 120 #include <ifaddrs.h> 121 #include <util.h> 122 123 struct ifreq ifr, ridreq; 124 struct ifaliasreq addreq __attribute__((aligned(4))); 125 struct in_aliasreq in_addreq; 126 #ifdef INET6 127 struct in6_ifreq ifr6; 128 struct in6_ifreq in6_ridreq; 129 struct in6_aliasreq in6_addreq; 130 #endif 131 struct iso_ifreq iso_ridreq; 132 struct iso_aliasreq iso_addreq; 133 struct sockaddr_in netmask; 134 struct netrange at_nr; /* AppleTalk net range */ 135 136 char name[30]; 137 u_short flags; 138 int setaddr, setipdst, doalias; 139 u_long metric, mtu; 140 int clearaddr, s; 141 int newaddr = -1; 142 int conflicting = 0; 143 int nsellength = 1; 144 int af; 145 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 146 #ifdef INET6 147 int Lflag; 148 #endif 149 int reset_if_flags; 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 setmediaopt __P((const char *, int)); 190 void unsetmediaopt __P((const char *, int)); 191 void setmediainst __P((const char *, int)); 192 void clone_create __P((const char *, int)); 193 void clone_destroy __P((const char *, int)); 194 void fixnsel __P((struct sockaddr_iso *)); 195 void setvlan __P((const char *, int)); 196 void setvlanif __P((const char *, int)); 197 void unsetvlanif __P((const char *, int)); 198 int main __P((int, char *[])); 199 200 /* 201 * Media stuff. Whenever a media command is first performed, the 202 * currently select media is grabbed for this interface. If `media' 203 * is given, the current media word is modifed. `mediaopt' commands 204 * only modify the set and clear words. They then operate on the 205 * current media word later. 206 */ 207 int media_current; 208 int mediaopt_set; 209 int mediaopt_clear; 210 211 int actions; /* Actions performed */ 212 213 #define A_MEDIA 0x0001 /* media command */ 214 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 215 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 216 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 217 #define A_MEDIAINST 0x0008 /* instance or inst command */ 218 219 #define NEXTARG 0xffffff 220 #define NEXTARG2 0xfffffe 221 222 const struct cmd { 223 const char *c_name; 224 int c_parameter; /* NEXTARG means next argv */ 225 int c_action; /* defered action */ 226 void (*c_func) __P((const char *, int)); 227 void (*c_func2) __P((const char *, const char *)); 228 } cmds[] = { 229 { "up", IFF_UP, 0, setifflags } , 230 { "down", -IFF_UP, 0, setifflags }, 231 { "trailers", -1, 0, notrailers }, 232 { "-trailers", 1, 0, notrailers }, 233 { "arp", -IFF_NOARP, 0, setifflags }, 234 { "-arp", IFF_NOARP, 0, setifflags }, 235 { "debug", IFF_DEBUG, 0, setifflags }, 236 { "-debug", -IFF_DEBUG, 0, setifflags }, 237 { "alias", IFF_UP, 0, notealias }, 238 { "-alias", -IFF_UP, 0, notealias }, 239 { "delete", -IFF_UP, 0, notealias }, 240 #ifdef notdef 241 #define EN_SWABIPS 0x1000 242 { "swabips", EN_SWABIPS, 0, setifflags }, 243 { "-swabips", -EN_SWABIPS, 0, setifflags }, 244 #endif 245 { "netmask", NEXTARG, 0, setifnetmask }, 246 { "metric", NEXTARG, 0, setifmetric }, 247 { "mtu", NEXTARG, 0, setifmtu }, 248 { "bssid", NEXTARG, 0, setifbssid }, 249 { "-bssid", -1, 0, setifbssid }, 250 { "chan", NEXTARG, 0, setifchan }, 251 { "-chan", -1, 0, setifchan }, 252 { "nwid", NEXTARG, 0, setifnwid }, 253 { "nwkey", NEXTARG, 0, setifnwkey }, 254 { "-nwkey", -1, 0, setifnwkey }, 255 { "powersave", 1, 0, setifpowersave }, 256 { "-powersave", 0, 0, setifpowersave }, 257 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 258 { "broadcast", NEXTARG, 0, setifbroadaddr }, 259 { "ipdst", NEXTARG, 0, setifipdst }, 260 { "prefixlen", NEXTARG, 0, setifprefixlen}, 261 #ifdef INET6 262 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 263 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 264 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 265 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 266 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 267 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 268 { "pltime", NEXTARG, 0, setia6pltime }, 269 { "vltime", NEXTARG, 0, setia6vltime }, 270 { "eui64", 0, 0, setia6eui64 }, 271 #endif /*INET6*/ 272 #ifndef INET_ONLY 273 { "range", NEXTARG, 0, setatrange }, 274 { "phase", NEXTARG, 0, setatphase }, 275 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 276 { "nsellength", NEXTARG, 0, setnsellength }, 277 #endif /* INET_ONLY */ 278 { "tunnel", NEXTARG2, 0, NULL, 279 settunnel } , 280 { "deletetunnel", 0, 0, deletetunnel }, 281 { "vlan", NEXTARG, 0, setvlan } , 282 { "vlanif", NEXTARG, 0, setvlanif } , 283 { "-vlanif", 0, 0, unsetvlanif } , 284 #if 0 285 /* XXX `create' special-cased below */ 286 { "create", 0, 0, clone_create } , 287 #endif 288 { "destroy", 0, 0, clone_destroy } , 289 { "link0", IFF_LINK0, 0, setifflags } , 290 { "-link0", -IFF_LINK0, 0, setifflags } , 291 { "link1", IFF_LINK1, 0, setifflags } , 292 { "-link1", -IFF_LINK1, 0, setifflags } , 293 { "link2", IFF_LINK2, 0, setifflags } , 294 { "-link2", -IFF_LINK2, 0, setifflags } , 295 { "media", NEXTARG, A_MEDIA, setmedia }, 296 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 297 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 298 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 299 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 300 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 301 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 302 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 303 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 304 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 305 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 306 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 307 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 308 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 309 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 310 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 311 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 312 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 313 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 314 { 0, 0, 0, setifaddr }, 315 { 0, 0, 0, setifdstaddr }, 316 }; 317 318 void adjust_nsellength __P((void)); 319 int getinfo __P((struct ifreq *)); 320 int carrier __P((void)); 321 void getsock __P((int)); 322 void printall __P((const char *)); 323 void list_cloners __P((void)); 324 int prefix __P((void *, int)); 325 void status __P((const struct sockaddr_dl *)); 326 void usage __P((void)); 327 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 328 void print_string __P((const u_int8_t *, int)); 329 char *sec2str __P((time_t)); 330 331 const char *get_media_type_string __P((int)); 332 const char *get_media_subtype_string __P((int)); 333 int get_media_subtype __P((int, const char *)); 334 int get_media_options __P((int, const char *)); 335 int lookup_media_word __P((struct ifmedia_description *, int, 336 const char *)); 337 void print_media_word __P((int, int, int)); 338 void process_media_commands __P((void)); 339 void init_current_media __P((void)); 340 341 /* 342 * XNS support liberally adapted from code written at the University of 343 * Maryland principally by James O'Toole and Chris Torek. 344 */ 345 void in_alias __P((struct ifreq *)); 346 void in_status __P((int)); 347 void in_getaddr __P((const char *, int)); 348 void in_getprefix __P((const char *, int)); 349 #ifdef INET6 350 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 351 void in6_alias __P((struct in6_ifreq *)); 352 void in6_status __P((int)); 353 void in6_getaddr __P((const char *, int)); 354 void in6_getprefix __P((const char *, int)); 355 #endif 356 void at_status __P((int)); 357 void at_getaddr __P((const char *, int)); 358 void xns_status __P((int)); 359 void xns_getaddr __P((const char *, int)); 360 void iso_status __P((int)); 361 void iso_getaddr __P((const char *, int)); 362 363 void ieee80211_status __P((void)); 364 void tunnel_status __P((void)); 365 void vlan_status __P((void)); 366 367 /* Known address families */ 368 struct afswtch { 369 const char *af_name; 370 short af_af; 371 void (*af_status) __P((int)); 372 void (*af_getaddr) __P((const char *, int)); 373 void (*af_getprefix) __P((const char *, int)); 374 u_long af_difaddr; 375 u_long af_aifaddr; 376 u_long af_gifaddr; 377 caddr_t af_ridreq; 378 caddr_t af_addreq; 379 } afs[] = { 380 #define C(x) ((caddr_t) &x) 381 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 382 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 383 #ifdef INET6 384 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 385 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 386 /* 387 * Deleting the first address before setting new one is 388 * not prefered way in this protocol. 389 */ 390 0, 391 C(in6_ridreq), C(in6_addreq) }, 392 #endif 393 #ifndef INET_ONLY /* small version, for boot media */ 394 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 395 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 396 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 397 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 398 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 399 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 400 C(iso_ridreq), C(iso_addreq) }, 401 #endif /* INET_ONLY */ 402 { 0, 0, 0, 0 } 403 }; 404 405 struct afswtch *afp; /*the address family being set or asked about*/ 406 407 struct afswtch *lookup_af __P((const char *)); 408 409 int 410 main(argc, argv) 411 int argc; 412 char *argv[]; 413 { 414 struct ifreq ifreq; 415 int ch; 416 417 /* Parse command-line options */ 418 aflag = mflag = vflag = zflag = 0; 419 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 420 #ifdef INET6 421 "L" 422 #endif 423 )) != -1) { 424 switch (ch) { 425 case 'A': 426 warnx("-A is deprecated"); 427 break; 428 429 case 'a': 430 aflag = 1; 431 break; 432 433 case 'b': 434 bflag = 1; 435 break; 436 437 case 'C': 438 Cflag = 1; 439 break; 440 441 case 'd': 442 dflag = 1; 443 break; 444 445 #ifdef INET6 446 case 'L': 447 Lflag = 1; 448 break; 449 #endif 450 451 case 'l': 452 lflag = 1; 453 break; 454 455 case 'm': 456 mflag = 1; 457 break; 458 459 case 's': 460 sflag = 1; 461 break; 462 463 case 'u': 464 uflag = 1; 465 break; 466 467 case 'v': 468 vflag = 1; 469 break; 470 471 case 'z': 472 zflag = 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 || zflag)) 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) strlcpy(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) strlcpy(name, ifa->ifa_name, sizeof(name)); 779 p = ifa->ifa_name; 780 781 if (getinfo(&paifr) < 0) 782 continue; 783 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 784 continue; 785 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 786 continue; 787 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 788 continue; 789 790 if (sflag && carrier()) 791 continue; 792 idx++; 793 /* 794 * Are we just listing the interfaces? 795 */ 796 if (lflag) { 797 if (idx > 1) 798 putchar(' '); 799 fputs(name, stdout); 800 continue; 801 } 802 803 status(sdl); 804 sdl = NULL; 805 } 806 if (lflag) 807 putchar('\n'); 808 freeifaddrs(ifap); 809 } 810 811 void 812 list_cloners(void) 813 { 814 struct if_clonereq ifcr; 815 char *cp, *buf; 816 int idx; 817 818 memset(&ifcr, 0, sizeof(ifcr)); 819 820 getsock(AF_INET); 821 822 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 823 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 824 825 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 826 if (buf == NULL) 827 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 828 829 ifcr.ifcr_count = ifcr.ifcr_total; 830 ifcr.ifcr_buffer = buf; 831 832 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 833 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 834 835 /* 836 * In case some disappeared in the mean time, clamp it down. 837 */ 838 if (ifcr.ifcr_count > ifcr.ifcr_total) 839 ifcr.ifcr_count = ifcr.ifcr_total; 840 841 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 842 if (idx > 0) 843 putchar(' '); 844 printf("%s", cp); 845 } 846 847 putchar('\n'); 848 free(buf); 849 return; 850 } 851 852 /*ARGSUSED*/ 853 void 854 clone_create(addr, param) 855 const char *addr; 856 int param; 857 { 858 859 /* We're called early... */ 860 getsock(AF_INET); 861 862 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 863 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 864 err(EXIT_FAILURE, "SIOCIFCREATE"); 865 } 866 867 /*ARGSUSED*/ 868 void 869 clone_destroy(addr, param) 870 const char *addr; 871 int param; 872 { 873 874 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 875 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 876 err(EXIT_FAILURE, "SIOCIFDESTROY"); 877 } 878 879 #define RIDADDR 0 880 #define ADDR 1 881 #define MASK 2 882 #define DSTADDR 3 883 884 /*ARGSUSED*/ 885 void 886 setifaddr(addr, param) 887 const char *addr; 888 int param; 889 { 890 struct ifreq *siifr; /* XXX */ 891 892 /* 893 * Delay the ioctl to set the interface addr until flags are all set. 894 * The address interpretation may depend on the flags, 895 * and the flags may change when the address is set. 896 */ 897 setaddr++; 898 if (newaddr == -1) 899 newaddr = 1; 900 if (doalias == 0 && afp->af_gifaddr != 0) { 901 siifr = (struct ifreq *)afp->af_ridreq; 902 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 903 siifr->ifr_addr.sa_family = afp->af_af; 904 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 905 clearaddr = 1; 906 else if (errno == EADDRNOTAVAIL) 907 /* No address was assigned yet. */ 908 ; 909 else 910 err(EXIT_FAILURE, "SIOCGIFADDR"); 911 } 912 913 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 914 } 915 916 void 917 settunnel(src, dst) 918 const char *src, *dst; 919 { 920 struct addrinfo hints, *srcres, *dstres; 921 int ecode; 922 struct if_laddrreq req; 923 924 memset(&hints, 0, sizeof(hints)); 925 hints.ai_family = afp->af_af; 926 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 927 928 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 929 errx(EXIT_FAILURE, "error in parsing address string: %s", 930 gai_strerror(ecode)); 931 932 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 933 errx(EXIT_FAILURE, "error in parsing address string: %s", 934 gai_strerror(ecode)); 935 936 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 937 errx(EXIT_FAILURE, 938 "source and destination address families do not match"); 939 940 if (srcres->ai_addrlen > sizeof(req.addr) || 941 dstres->ai_addrlen > sizeof(req.dstaddr)) 942 errx(EXIT_FAILURE, "invalid sockaddr"); 943 944 memset(&req, 0, sizeof(req)); 945 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 946 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 947 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 948 949 #ifdef INET6 950 if (req.addr.ss_family == AF_INET6) { 951 struct sockaddr_in6 *s6, *d; 952 953 s6 = (struct sockaddr_in6 *)&req.addr; 954 d = (struct sockaddr_in6 *)&req.dstaddr; 955 if (s6->sin6_scope_id != d->sin6_scope_id) { 956 errx(EXIT_FAILURE, "scope mismatch"); 957 /* NOTREACHED */ 958 } 959 #ifdef __KAME__ 960 /* embed scopeid */ 961 if (s6->sin6_scope_id && 962 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 963 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 964 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 965 htons(s6->sin6_scope_id); 966 } 967 if (d->sin6_scope_id && 968 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 969 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 970 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 971 htons(d->sin6_scope_id); 972 } 973 #endif 974 } 975 #endif 976 977 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 978 warn("SIOCSLIFPHYADDR"); 979 980 freeaddrinfo(srcres); 981 freeaddrinfo(dstres); 982 } 983 984 /* ARGSUSED */ 985 void 986 deletetunnel(vname, param) 987 const char *vname; 988 int param; 989 { 990 991 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 992 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 993 } 994 995 void setvlan(val, d) 996 const char *val; 997 int d; 998 { 999 struct vlanreq vlr; 1000 1001 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1002 !isdigit(ifr.ifr_name[4])) 1003 errx(EXIT_FAILURE, 1004 "``vlan'' valid only with vlan(4) interfaces"); 1005 1006 vlan_tag = atoi(val); 1007 1008 memset(&vlr, 0, sizeof(vlr)); 1009 ifr.ifr_data = (caddr_t)&vlr; 1010 1011 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1012 err(EXIT_FAILURE, "SIOCGETVLAN"); 1013 1014 vlr.vlr_tag = vlan_tag; 1015 1016 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1017 err(EXIT_FAILURE, "SIOCSETVLAN"); 1018 } 1019 1020 void setvlanif(val, d) 1021 const char *val; 1022 int d; 1023 { 1024 struct vlanreq vlr; 1025 1026 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1027 !isdigit(ifr.ifr_name[4])) 1028 errx(EXIT_FAILURE, 1029 "``vlanif'' valid only with vlan(4) interfaces"); 1030 1031 if (vlan_tag == (u_int)-1) 1032 errx(EXIT_FAILURE, 1033 "must specify both ``vlan'' and ``vlanif''"); 1034 1035 memset(&vlr, 0, sizeof(vlr)); 1036 ifr.ifr_data = (caddr_t)&vlr; 1037 1038 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1039 err(EXIT_FAILURE, "SIOCGETVLAN"); 1040 1041 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1042 vlr.vlr_tag = vlan_tag; 1043 1044 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1045 err(EXIT_FAILURE, "SIOCSETVLAN"); 1046 } 1047 1048 void unsetvlanif(val, d) 1049 const char *val; 1050 int d; 1051 { 1052 struct vlanreq vlr; 1053 1054 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1055 !isdigit(ifr.ifr_name[4])) 1056 errx(EXIT_FAILURE, 1057 "``vlanif'' valid only with vlan(4) interfaces"); 1058 1059 memset(&vlr, 0, sizeof(vlr)); 1060 ifr.ifr_data = (caddr_t)&vlr; 1061 1062 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1063 err(EXIT_FAILURE, "SIOCGETVLAN"); 1064 1065 vlr.vlr_parent[0] = '\0'; 1066 vlr.vlr_tag = 0; 1067 1068 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1069 err(EXIT_FAILURE, "SIOCSETVLAN"); 1070 } 1071 1072 void 1073 setifnetmask(addr, d) 1074 const char *addr; 1075 int d; 1076 { 1077 (*afp->af_getaddr)(addr, MASK); 1078 } 1079 1080 void 1081 setifbroadaddr(addr, d) 1082 const char *addr; 1083 int d; 1084 { 1085 (*afp->af_getaddr)(addr, DSTADDR); 1086 } 1087 1088 void 1089 setifipdst(addr, d) 1090 const char *addr; 1091 int d; 1092 { 1093 in_getaddr(addr, DSTADDR); 1094 setipdst++; 1095 clearaddr = 0; 1096 newaddr = 0; 1097 } 1098 1099 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1100 /*ARGSUSED*/ 1101 void 1102 notealias(addr, param) 1103 const char *addr; 1104 int param; 1105 { 1106 if (setaddr && doalias == 0 && param < 0) 1107 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1108 rqtosa(af_addreq)->sa_len); 1109 doalias = param; 1110 if (param < 0) { 1111 clearaddr = 1; 1112 newaddr = 0; 1113 conflicting++; 1114 } else { 1115 clearaddr = 0; 1116 conflicting++; 1117 } 1118 } 1119 1120 /*ARGSUSED*/ 1121 void 1122 notrailers(vname, value) 1123 const char *vname; 1124 int value; 1125 { 1126 puts("Note: trailers are no longer sent, but always received"); 1127 } 1128 1129 /*ARGSUSED*/ 1130 void 1131 setifdstaddr(addr, param) 1132 const char *addr; 1133 int param; 1134 { 1135 (*afp->af_getaddr)(addr, DSTADDR); 1136 } 1137 1138 void 1139 setifflags(vname, value) 1140 const char *vname; 1141 int value; 1142 { 1143 struct ifreq ifreq; 1144 1145 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1146 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1147 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1148 flags = ifreq.ifr_flags; 1149 1150 if (value < 0) { 1151 value = -value; 1152 flags &= ~value; 1153 } else 1154 flags |= value; 1155 ifreq.ifr_flags = flags; 1156 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1157 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1158 1159 reset_if_flags = 1; 1160 } 1161 1162 void 1163 setifcaps(vname, value) 1164 const char *vname; 1165 int value; 1166 { 1167 1168 if (value < 0) { 1169 value = -value; 1170 g_ifcr.ifcr_capenable &= ~value; 1171 } else 1172 g_ifcr.ifcr_capenable |= value; 1173 1174 g_ifcr_updated = 1; 1175 } 1176 1177 #ifdef INET6 1178 void 1179 setia6flags(vname, value) 1180 const char *vname; 1181 int value; 1182 { 1183 1184 if (value < 0) { 1185 value = -value; 1186 in6_addreq.ifra_flags &= ~value; 1187 } else 1188 in6_addreq.ifra_flags |= value; 1189 } 1190 1191 void 1192 setia6pltime(val, d) 1193 const char *val; 1194 int d; 1195 { 1196 1197 setia6lifetime("pltime", val); 1198 } 1199 1200 void 1201 setia6vltime(val, d) 1202 const char *val; 1203 int d; 1204 { 1205 1206 setia6lifetime("vltime", val); 1207 } 1208 1209 void 1210 setia6lifetime(cmd, val) 1211 const char *cmd; 1212 const char *val; 1213 { 1214 time_t newval, t; 1215 char *ep; 1216 1217 t = time(NULL); 1218 newval = (time_t)strtoul(val, &ep, 0); 1219 if (val == ep) 1220 errx(EXIT_FAILURE, "invalid %s", cmd); 1221 if (afp->af_af != AF_INET6) 1222 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1223 if (strcmp(cmd, "vltime") == 0) { 1224 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1225 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1226 } else if (strcmp(cmd, "pltime") == 0) { 1227 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1228 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1229 } 1230 } 1231 1232 void 1233 setia6eui64(cmd, val) 1234 const char *cmd; 1235 int val; 1236 { 1237 struct ifaddrs *ifap, *ifa; 1238 const struct sockaddr_in6 *sin6 = NULL; 1239 const struct in6_addr *lladdr = NULL; 1240 struct in6_addr *in6; 1241 1242 if (afp->af_af != AF_INET6) 1243 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1244 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1245 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1246 errx(EXIT_FAILURE, "interface index is already filled"); 1247 if (getifaddrs(&ifap) != 0) 1248 err(EXIT_FAILURE, "getifaddrs"); 1249 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1250 if (ifa->ifa_addr->sa_family == AF_INET6 && 1251 strcmp(ifa->ifa_name, name) == 0) { 1252 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1253 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1254 lladdr = &sin6->sin6_addr; 1255 break; 1256 } 1257 } 1258 } 1259 if (!lladdr) 1260 errx(EXIT_FAILURE, "could not determine link local address"); 1261 1262 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1263 1264 freeifaddrs(ifap); 1265 } 1266 #endif 1267 1268 void 1269 setifmetric(val, d) 1270 const char *val; 1271 int d; 1272 { 1273 char *ep = NULL; 1274 1275 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1276 ifr.ifr_metric = strtoul(val, &ep, 10); 1277 if (!ep || *ep) 1278 errx(EXIT_FAILURE, "%s: invalid metric", val); 1279 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1280 warn("SIOCSIFMETRIC"); 1281 } 1282 1283 void 1284 setifmtu(val, d) 1285 const char *val; 1286 int d; 1287 { 1288 char *ep = NULL; 1289 1290 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1291 ifr.ifr_mtu = strtoul(val, &ep, 10); 1292 if (!ep || *ep) 1293 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1294 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1295 warn("SIOCSIFMTU"); 1296 } 1297 1298 const char * 1299 get_string(val, sep, buf, lenp) 1300 const char *val, *sep; 1301 u_int8_t *buf; 1302 int *lenp; 1303 { 1304 int len; 1305 int hexstr; 1306 u_int8_t *p; 1307 1308 len = *lenp; 1309 p = buf; 1310 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1311 if (hexstr) 1312 val += 2; 1313 for (;;) { 1314 if (*val == '\0') 1315 break; 1316 if (sep != NULL && strchr(sep, *val) != NULL) { 1317 val++; 1318 break; 1319 } 1320 if (hexstr) { 1321 if (!isxdigit((u_char)val[0]) || 1322 !isxdigit((u_char)val[1])) { 1323 warnx("bad hexadecimal digits"); 1324 return NULL; 1325 } 1326 } 1327 if (p > buf + len) { 1328 if (hexstr) 1329 warnx("hexadecimal digits too long"); 1330 else 1331 warnx("strings too long"); 1332 return NULL; 1333 } 1334 if (hexstr) { 1335 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1336 *p++ = (tohex((u_char)val[0]) << 4) | 1337 tohex((u_char)val[1]); 1338 #undef tohex 1339 val += 2; 1340 } else 1341 *p++ = *val++; 1342 } 1343 len = p - buf; 1344 if (len < *lenp) 1345 memset(p, 0, *lenp - len); 1346 *lenp = len; 1347 return val; 1348 } 1349 1350 void 1351 print_string(buf, len) 1352 const u_int8_t *buf; 1353 int len; 1354 { 1355 int i; 1356 int hasspc; 1357 1358 i = 0; 1359 hasspc = 0; 1360 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1361 for (; i < len; i++) { 1362 if (!isprint(buf[i])) 1363 break; 1364 if (isspace(buf[i])) 1365 hasspc++; 1366 } 1367 } 1368 if (i == len) { 1369 if (hasspc || len == 0) 1370 printf("\"%.*s\"", len, buf); 1371 else 1372 printf("%.*s", len, buf); 1373 } else { 1374 printf("0x"); 1375 for (i = 0; i < len; i++) 1376 printf("%02x", buf[i]); 1377 } 1378 } 1379 1380 void 1381 setifnwid(val, d) 1382 const char *val; 1383 int d; 1384 { 1385 struct ieee80211_nwid nwid; 1386 int len; 1387 1388 len = sizeof(nwid.i_nwid); 1389 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1390 return; 1391 nwid.i_len = len; 1392 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1393 ifr.ifr_data = (caddr_t)&nwid; 1394 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1395 warn("SIOCS80211NWID"); 1396 } 1397 1398 void 1399 setifbssid(val, d) 1400 const char *val; 1401 int d; 1402 { 1403 struct ieee80211_bssid bssid; 1404 struct ether_addr *ea; 1405 1406 if (d != 0) { 1407 /* no BSSID is especially desired */ 1408 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1409 } else { 1410 ea = ether_aton(val); 1411 if (ea == NULL) { 1412 warnx("malformed BSSID: %s", val); 1413 return; 1414 } 1415 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1416 sizeof(bssid.i_bssid)); 1417 } 1418 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1419 if (ioctl(s, SIOCS80211BSSID, (caddr_t)&bssid) == -1) 1420 warn("SIOCS80211BSSID"); 1421 } 1422 1423 void 1424 setifchan(val, d) 1425 const char *val; 1426 int d; 1427 { 1428 struct ieee80211_channel channel; 1429 int chan; 1430 1431 if (d != 0) 1432 chan = IEEE80211_CHAN_ANY; 1433 else { 1434 chan = atoi(val); 1435 if (chan < 0 || chan > 0xffff) { 1436 warnx("invalid channel: %s", val); 1437 return; 1438 } 1439 } 1440 1441 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1442 channel.i_channel = (u_int16_t) chan; 1443 if (ioctl(s, SIOCS80211CHANNEL, (caddr_t)&channel) == -1) 1444 warn("SIOCS80211CHANNEL"); 1445 } 1446 1447 void 1448 setifnwkey(val, d) 1449 const char *val; 1450 int d; 1451 { 1452 struct ieee80211_nwkey nwkey; 1453 int i; 1454 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1455 1456 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1457 nwkey.i_defkid = 1; 1458 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1459 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1460 nwkey.i_key[i].i_keydat = keybuf[i]; 1461 } 1462 if (d != 0) { 1463 /* disable WEP encryption */ 1464 nwkey.i_wepon = 0; 1465 i = 0; 1466 } else if (strcasecmp("persist", val) == 0) { 1467 /* use all values from persistent memory */ 1468 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1469 nwkey.i_defkid = 0; 1470 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1471 nwkey.i_key[i].i_keylen = -1; 1472 } else if (strncasecmp("persist:", val, 8) == 0) { 1473 val += 8; 1474 /* program keys in persistent memory */ 1475 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1476 goto set_nwkey; 1477 } else { 1478 set_nwkey: 1479 if (isdigit(val[0]) && val[1] == ':') { 1480 /* specifying a full set of four keys */ 1481 nwkey.i_defkid = val[0] - '0'; 1482 val += 2; 1483 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1484 val = get_string(val, ",", keybuf[i], 1485 &nwkey.i_key[i].i_keylen); 1486 if (val == NULL) 1487 return; 1488 } 1489 if (*val != '\0') { 1490 warnx("SIOCS80211NWKEY: too many keys."); 1491 return; 1492 } 1493 } else { 1494 val = get_string(val, NULL, keybuf[0], 1495 &nwkey.i_key[0].i_keylen); 1496 if (val == NULL) 1497 return; 1498 i = 1; 1499 } 1500 } 1501 for (; i < IEEE80211_WEP_NKID; i++) 1502 nwkey.i_key[i].i_keylen = 0; 1503 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1504 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1505 warn("SIOCS80211NWKEY"); 1506 } 1507 1508 void 1509 setifpowersave(val, d) 1510 const char *val; 1511 int d; 1512 { 1513 struct ieee80211_power power; 1514 1515 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1516 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1517 warn("SIOCG80211POWER"); 1518 return; 1519 } 1520 1521 power.i_enabled = d; 1522 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1523 warn("SIOCS80211POWER"); 1524 } 1525 1526 void 1527 setifpowersavesleep(val, d) 1528 const char *val; 1529 int d; 1530 { 1531 struct ieee80211_power power; 1532 1533 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1534 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1535 warn("SIOCG80211POWER"); 1536 return; 1537 } 1538 1539 power.i_maxsleep = atoi(val); 1540 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1541 warn("SIOCS80211POWER"); 1542 } 1543 1544 void 1545 ieee80211_status() 1546 { 1547 int i, nwkey_verbose; 1548 struct ieee80211_nwid nwid; 1549 struct ieee80211_nwkey nwkey; 1550 struct ieee80211_power power; 1551 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1552 struct ieee80211_bssid bssid; 1553 struct ieee80211_channel channel; 1554 struct ether_addr ea; 1555 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1556 1557 memset(&ifr, 0, sizeof(ifr)); 1558 ifr.ifr_data = (caddr_t)&nwid; 1559 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1560 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1561 return; 1562 if (nwid.i_len > IEEE80211_NWID_LEN) { 1563 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1564 return; 1565 } 1566 printf("\tnwid "); 1567 print_string(nwid.i_nwid, nwid.i_len); 1568 memset(&nwkey, 0, sizeof(nwkey)); 1569 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1570 /* show nwkey only when WEP is enabled */ 1571 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1572 nwkey.i_wepon == 0) { 1573 printf("\n"); 1574 goto skip_wep; 1575 } 1576 1577 printf(" nwkey "); 1578 /* try to retrieve WEP keys */ 1579 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1580 nwkey.i_key[i].i_keydat = keybuf[i]; 1581 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1582 } 1583 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1584 printf("*****"); 1585 } else { 1586 nwkey_verbose = 0; 1587 /* check to see non default key or multiple keys defined */ 1588 if (nwkey.i_defkid != 1) { 1589 nwkey_verbose = 1; 1590 } else { 1591 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1592 if (nwkey.i_key[i].i_keylen != 0) { 1593 nwkey_verbose = 1; 1594 break; 1595 } 1596 } 1597 } 1598 /* check extra ambiguity with keywords */ 1599 if (!nwkey_verbose) { 1600 if (nwkey.i_key[0].i_keylen >= 2 && 1601 isdigit(nwkey.i_key[0].i_keydat[0]) && 1602 nwkey.i_key[0].i_keydat[1] == ':') 1603 nwkey_verbose = 1; 1604 else if (nwkey.i_key[0].i_keylen >= 7 && 1605 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1606 == 0) 1607 nwkey_verbose = 1; 1608 } 1609 if (nwkey_verbose) 1610 printf("%d:", nwkey.i_defkid); 1611 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1612 if (i > 0) 1613 printf(","); 1614 if (nwkey.i_key[i].i_keylen < 0) 1615 printf("persist"); 1616 else 1617 print_string(nwkey.i_key[i].i_keydat, 1618 nwkey.i_key[i].i_keylen); 1619 if (!nwkey_verbose) 1620 break; 1621 } 1622 } 1623 printf("\n"); 1624 1625 skip_wep: 1626 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1627 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1628 goto skip_power; 1629 printf("\tpowersave "); 1630 if (power.i_enabled) 1631 printf("on (%dms sleep)", power.i_maxsleep); 1632 else 1633 printf("off"); 1634 printf("\n"); 1635 1636 skip_power: 1637 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1638 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1639 return; 1640 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1641 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1642 return; 1643 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1644 if (channel.i_channel != (u_int16_t)-1) 1645 printf("\tchan %d\n", channel.i_channel); 1646 } else { 1647 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1648 sizeof(ea.ether_addr_octet)); 1649 printf("\tbssid %s", ether_ntoa(&ea)); 1650 if (channel.i_channel != IEEE80211_CHAN_ANY) 1651 printf(" chan %d", channel.i_channel); 1652 printf("\n"); 1653 } 1654 } 1655 1656 void 1657 init_current_media() 1658 { 1659 struct ifmediareq ifmr; 1660 1661 /* 1662 * If we have not yet done so, grab the currently-selected 1663 * media. 1664 */ 1665 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1666 (void) memset(&ifmr, 0, sizeof(ifmr)); 1667 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1668 1669 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1670 /* 1671 * If we get E2BIG, the kernel is telling us 1672 * that there are more, so we can ignore it. 1673 */ 1674 if (errno != E2BIG) 1675 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1676 } 1677 1678 media_current = ifmr.ifm_current; 1679 } 1680 1681 /* Sanity. */ 1682 if (IFM_TYPE(media_current) == 0) 1683 errx(EXIT_FAILURE, "%s: no link type?", name); 1684 } 1685 1686 void 1687 process_media_commands() 1688 { 1689 1690 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1691 /* Nothing to do. */ 1692 return; 1693 } 1694 1695 /* 1696 * Media already set up, and commands sanity-checked. Set/clear 1697 * any options, and we're ready to go. 1698 */ 1699 media_current |= mediaopt_set; 1700 media_current &= ~mediaopt_clear; 1701 1702 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1703 ifr.ifr_media = media_current; 1704 1705 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1706 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1707 } 1708 1709 void 1710 setmedia(val, d) 1711 const char *val; 1712 int d; 1713 { 1714 int type, subtype, inst; 1715 1716 init_current_media(); 1717 1718 /* Only one media command may be given. */ 1719 if (actions & A_MEDIA) 1720 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1721 1722 /* Must not come after mediaopt commands */ 1723 if (actions & A_MEDIAOPT) 1724 errx(EXIT_FAILURE, 1725 "may not issue `media' after `mediaopt' commands"); 1726 1727 /* 1728 * No need to check if `instance' has been issued; setmediainst() 1729 * craps out if `media' has not been specified. 1730 */ 1731 1732 type = IFM_TYPE(media_current); 1733 inst = IFM_INST(media_current); 1734 1735 /* Look up the subtype. */ 1736 subtype = get_media_subtype(type, val); 1737 1738 /* Build the new current media word. */ 1739 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1740 1741 /* Media will be set after other processing is complete. */ 1742 } 1743 1744 void 1745 setmediaopt(val, d) 1746 const char *val; 1747 int d; 1748 { 1749 1750 init_current_media(); 1751 1752 /* Can only issue `mediaopt' once. */ 1753 if (actions & A_MEDIAOPTSET) 1754 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1755 1756 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1757 if (actions & A_MEDIAINST) 1758 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1759 1760 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1761 1762 /* Media will be set after other processing is complete. */ 1763 } 1764 1765 void 1766 unsetmediaopt(val, d) 1767 const char *val; 1768 int d; 1769 { 1770 1771 init_current_media(); 1772 1773 /* Can only issue `-mediaopt' once. */ 1774 if (actions & A_MEDIAOPTCLR) 1775 errx(EXIT_FAILURE, 1776 "only one `-mediaopt' command may be issued"); 1777 1778 /* May not issue `media' and `-mediaopt'. */ 1779 if (actions & A_MEDIA) 1780 errx(EXIT_FAILURE, 1781 "may not issue both `media' and `-mediaopt'"); 1782 1783 /* 1784 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1785 * implicitly checks for A_MEDIAINST. 1786 */ 1787 1788 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1789 1790 /* Media will be set after other processing is complete. */ 1791 } 1792 1793 void 1794 setmediainst(val, d) 1795 const char *val; 1796 int d; 1797 { 1798 int type, subtype, options, inst; 1799 1800 init_current_media(); 1801 1802 /* Can only issue `instance' once. */ 1803 if (actions & A_MEDIAINST) 1804 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1805 1806 /* Must have already specified `media' */ 1807 if ((actions & A_MEDIA) == 0) 1808 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1809 1810 type = IFM_TYPE(media_current); 1811 subtype = IFM_SUBTYPE(media_current); 1812 options = IFM_OPTIONS(media_current); 1813 1814 inst = atoi(val); 1815 if (inst < 0 || inst > IFM_INST_MAX) 1816 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1817 1818 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1819 1820 /* Media will be set after other processing is complete. */ 1821 } 1822 1823 struct ifmedia_description ifm_type_descriptions[] = 1824 IFM_TYPE_DESCRIPTIONS; 1825 1826 struct ifmedia_description ifm_subtype_descriptions[] = 1827 IFM_SUBTYPE_DESCRIPTIONS; 1828 1829 struct ifmedia_description ifm_option_descriptions[] = 1830 IFM_OPTION_DESCRIPTIONS; 1831 1832 const char * 1833 get_media_type_string(mword) 1834 int mword; 1835 { 1836 struct ifmedia_description *desc; 1837 1838 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1839 desc++) { 1840 if (IFM_TYPE(mword) == desc->ifmt_word) 1841 return (desc->ifmt_string); 1842 } 1843 return ("<unknown type>"); 1844 } 1845 1846 const char * 1847 get_media_subtype_string(mword) 1848 int mword; 1849 { 1850 struct ifmedia_description *desc; 1851 1852 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1853 desc++) { 1854 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1855 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1856 return (desc->ifmt_string); 1857 } 1858 return ("<unknown subtype>"); 1859 } 1860 1861 int 1862 get_media_subtype(type, val) 1863 int type; 1864 const char *val; 1865 { 1866 int rval; 1867 1868 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1869 if (rval == -1) 1870 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1871 get_media_type_string(type), val); 1872 1873 return (rval); 1874 } 1875 1876 int 1877 get_media_options(type, val) 1878 int type; 1879 const char *val; 1880 { 1881 char *optlist, *str; 1882 int option, rval = 0; 1883 1884 /* We muck with the string, so copy it. */ 1885 optlist = strdup(val); 1886 if (optlist == NULL) 1887 err(EXIT_FAILURE, "strdup"); 1888 str = optlist; 1889 1890 /* 1891 * Look up the options in the user-provided comma-separated list. 1892 */ 1893 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1894 option = lookup_media_word(ifm_option_descriptions, type, str); 1895 if (option == -1) 1896 errx(EXIT_FAILURE, "unknown %s media option: %s", 1897 get_media_type_string(type), str); 1898 rval |= IFM_OPTIONS(option); 1899 } 1900 1901 free(optlist); 1902 return (rval); 1903 } 1904 1905 int 1906 lookup_media_word(desc, type, val) 1907 struct ifmedia_description *desc; 1908 int type; 1909 const char *val; 1910 { 1911 1912 for (; desc->ifmt_string != NULL; desc++) { 1913 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1914 strcasecmp(desc->ifmt_string, val) == 0) 1915 return (desc->ifmt_word); 1916 } 1917 return (-1); 1918 } 1919 1920 void 1921 print_media_word(ifmw, print_type, as_syntax) 1922 int ifmw, print_type, as_syntax; 1923 { 1924 struct ifmedia_description *desc; 1925 int seen_option = 0; 1926 1927 if (print_type) 1928 printf("%s ", get_media_type_string(ifmw)); 1929 printf("%s%s", as_syntax ? "media " : "", 1930 get_media_subtype_string(ifmw)); 1931 1932 /* Find options. */ 1933 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1934 desc++) { 1935 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1936 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1937 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1938 if (seen_option == 0) 1939 printf(" %s", as_syntax ? "mediaopt " : ""); 1940 printf("%s%s", seen_option ? "," : "", 1941 desc->ifmt_string); 1942 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1943 } 1944 } 1945 if (IFM_INST(ifmw) != 0) 1946 printf(" instance %d", IFM_INST(ifmw)); 1947 } 1948 1949 int carrier() 1950 { 1951 struct ifmediareq ifmr; 1952 1953 (void) memset(&ifmr, 0, sizeof(ifmr)); 1954 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1955 1956 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1957 /* 1958 * Interface doesn't support SIOC{G,S}IFMEDIA; 1959 * assume ok. 1960 */ 1961 return 0; 1962 } 1963 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1964 /* 1965 * Interface doesn't report media-valid status. 1966 * assume ok. 1967 */ 1968 return 0; 1969 } 1970 /* otherwise, return ok for active, not-ok if not active. */ 1971 return !(ifmr.ifm_status & IFM_ACTIVE); 1972 } 1973 1974 1975 #define IFFBITS \ 1976 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1977 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1978 1979 #define IFCAPBITS \ 1980 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1981 1982 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1983 1984 const struct ifmedia_status_description ifm_status_descriptions[] = 1985 IFM_STATUS_DESCRIPTIONS; 1986 1987 /* 1988 * Print the status of the interface. If an address family was 1989 * specified, show it and it only; otherwise, show them all. 1990 */ 1991 void 1992 status(sdl) 1993 const struct sockaddr_dl *sdl; 1994 { 1995 struct afswtch *p = afp; 1996 struct ifmediareq ifmr; 1997 struct ifdatareq ifdr; 1998 int *media_list, i; 1999 char hbuf[NI_MAXHOST]; 2000 char fbuf[BUFSIZ]; 2001 2002 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 2003 printf("%s: flags=%s", name, &fbuf[2]); 2004 if (metric) 2005 printf(" metric %lu", metric); 2006 if (mtu) 2007 printf(" mtu %lu", mtu); 2008 putchar('\n'); 2009 2010 if (g_ifcr.ifcr_capabilities) { 2011 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2012 g_ifcr.ifcr_capabilities); 2013 printf("\tcapabilities=%s\n", &fbuf[2]); 2014 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2015 g_ifcr.ifcr_capenable); 2016 printf("\tenabled=%s\n", &fbuf[2]); 2017 } 2018 2019 ieee80211_status(); 2020 vlan_status(); 2021 tunnel_status(); 2022 2023 if (sdl != NULL && 2024 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2025 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2026 hbuf[0] != '\0') 2027 printf("\taddress: %s\n", hbuf); 2028 2029 (void) memset(&ifmr, 0, sizeof(ifmr)); 2030 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2031 2032 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2033 /* 2034 * Interface doesn't support SIOC{G,S}IFMEDIA. 2035 */ 2036 goto iface_stats; 2037 } 2038 2039 if (ifmr.ifm_count == 0) { 2040 warnx("%s: no media types?", name); 2041 goto iface_stats; 2042 } 2043 2044 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2045 if (media_list == NULL) 2046 err(EXIT_FAILURE, "malloc"); 2047 ifmr.ifm_ulist = media_list; 2048 2049 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 2050 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2051 2052 printf("\tmedia: "); 2053 print_media_word(ifmr.ifm_current, 1, 0); 2054 if (ifmr.ifm_active != ifmr.ifm_current) { 2055 putchar(' '); 2056 putchar('('); 2057 print_media_word(ifmr.ifm_active, 0, 0); 2058 putchar(')'); 2059 } 2060 putchar('\n'); 2061 2062 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2063 const struct ifmedia_status_description *ifms; 2064 int bitno, found = 0; 2065 2066 printf("\tstatus: "); 2067 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2068 for (ifms = ifm_status_descriptions; 2069 ifms->ifms_valid != 0; ifms++) { 2070 if (ifms->ifms_type != 2071 IFM_TYPE(ifmr.ifm_current) || 2072 ifms->ifms_valid != 2073 ifm_status_valid_list[bitno]) 2074 continue; 2075 printf("%s%s", found ? ", " : "", 2076 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2077 found = 1; 2078 2079 /* 2080 * For each valid indicator bit, there's 2081 * only one entry for each media type, so 2082 * terminate the inner loop now. 2083 */ 2084 break; 2085 } 2086 } 2087 2088 if (found == 0) 2089 printf("unknown"); 2090 putchar('\n'); 2091 } 2092 2093 if (mflag) { 2094 int type, printed_type; 2095 2096 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2097 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2098 if (IFM_TYPE(media_list[i]) == type) { 2099 if (printed_type == 0) { 2100 printf("\tsupported %s media:\n", 2101 get_media_type_string(type)); 2102 printed_type = 1; 2103 } 2104 printf("\t\t"); 2105 print_media_word(media_list[i], 0, 1); 2106 printf("\n"); 2107 } 2108 } 2109 } 2110 } 2111 2112 free(media_list); 2113 2114 iface_stats: 2115 if (!vflag && !zflag) 2116 goto proto_status; 2117 2118 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2119 2120 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, (caddr_t)&ifdr) == -1) { 2121 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2122 } else { 2123 struct if_data * const ifi = &ifdr.ifdr_data; 2124 #define PLURAL(n) ((n) == 1 ? "" : "s") 2125 printf("\tinput: %llu packet%s, %llu byte%s", 2126 (unsigned long long) ifi->ifi_ipackets, 2127 PLURAL(ifi->ifi_ipackets), 2128 (unsigned long long) ifi->ifi_ibytes, 2129 PLURAL(ifi->ifi_ibytes)); 2130 if (ifi->ifi_imcasts) 2131 printf(", %llu multicast%s", 2132 (unsigned long long) ifi->ifi_imcasts, 2133 PLURAL(ifi->ifi_imcasts)); 2134 if (ifi->ifi_ierrors) 2135 printf(", %llu error%s", 2136 (unsigned long long) ifi->ifi_ierrors, 2137 PLURAL(ifi->ifi_ierrors)); 2138 if (ifi->ifi_iqdrops) 2139 printf(", %llu queue drop%s", 2140 (unsigned long long) ifi->ifi_iqdrops, 2141 PLURAL(ifi->ifi_iqdrops)); 2142 if (ifi->ifi_noproto) 2143 printf(", %llu unknown protocol", 2144 (unsigned long long) ifi->ifi_noproto); 2145 printf("\n\toutput: %llu packet%s, %llu byte%s", 2146 (unsigned long long) ifi->ifi_opackets, 2147 PLURAL(ifi->ifi_opackets), 2148 (unsigned long long) ifi->ifi_obytes, 2149 PLURAL(ifi->ifi_obytes)); 2150 if (ifi->ifi_omcasts) 2151 printf(", %llu multicast%s", 2152 (unsigned long long) ifi->ifi_omcasts, 2153 PLURAL(ifi->ifi_omcasts)); 2154 if (ifi->ifi_oerrors) 2155 printf(", %llu error%s", 2156 (unsigned long long) ifi->ifi_oerrors, 2157 PLURAL(ifi->ifi_oerrors)); 2158 if (ifi->ifi_collisions) 2159 printf(", %llu collision%s", 2160 (unsigned long long) ifi->ifi_collisions, 2161 PLURAL(ifi->ifi_collisions)); 2162 printf("\n"); 2163 #undef PLURAL 2164 } 2165 2166 proto_status: 2167 if ((p = afp) != NULL) { 2168 (*p->af_status)(1); 2169 } else for (p = afs; p->af_name; p++) { 2170 ifr.ifr_addr.sa_family = p->af_af; 2171 (*p->af_status)(0); 2172 } 2173 } 2174 2175 void 2176 tunnel_status() 2177 { 2178 char psrcaddr[NI_MAXHOST]; 2179 char pdstaddr[NI_MAXHOST]; 2180 const char *ver = ""; 2181 #ifdef NI_WITHSCOPEID 2182 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2183 #else 2184 const int niflag = NI_NUMERICHOST; 2185 #endif 2186 struct if_laddrreq req; 2187 2188 psrcaddr[0] = pdstaddr[0] = '\0'; 2189 2190 memset(&req, 0, sizeof(req)); 2191 strncpy(req.iflr_name, name, IFNAMSIZ); 2192 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2193 return; 2194 #ifdef INET6 2195 if (req.addr.ss_family == AF_INET6) 2196 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2197 #endif 2198 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2199 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2200 #ifdef INET6 2201 if (req.addr.ss_family == AF_INET6) 2202 ver = "6"; 2203 #endif 2204 2205 #ifdef INET6 2206 if (req.dstaddr.ss_family == AF_INET6) 2207 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2208 #endif 2209 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2210 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2211 2212 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2213 } 2214 2215 void 2216 vlan_status() 2217 { 2218 struct vlanreq vlr; 2219 2220 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2221 !isdigit(ifr.ifr_name[4])) 2222 return; 2223 2224 memset(&vlr, 0, sizeof(vlr)); 2225 ifr.ifr_data = (caddr_t)&vlr; 2226 2227 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2228 return; 2229 2230 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2231 printf("\tvlan: %d parent: %s\n", 2232 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2233 "<none>" : vlr.vlr_parent); 2234 } 2235 2236 void 2237 in_alias(creq) 2238 struct ifreq *creq; 2239 { 2240 struct sockaddr_in *iasin; 2241 int alias; 2242 2243 if (lflag) 2244 return; 2245 2246 alias = 1; 2247 2248 /* Get the non-alias address for this interface. */ 2249 getsock(AF_INET); 2250 if (s < 0) { 2251 if (errno == EPROTONOSUPPORT) 2252 return; 2253 err(EXIT_FAILURE, "socket"); 2254 } 2255 (void) memset(&ifr, 0, sizeof(ifr)); 2256 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2257 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2258 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2259 return; 2260 } else 2261 warn("SIOCGIFADDR"); 2262 } 2263 /* If creq and ifr are the same address, this is not an alias. */ 2264 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2265 sizeof(creq->ifr_addr)) == 0) 2266 alias = 0; 2267 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2268 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2269 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2270 sizeof(in_addreq.ifra_addr)); 2271 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2272 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2273 return; 2274 } else 2275 warn("SIOCGIFALIAS"); 2276 } 2277 2278 iasin = &in_addreq.ifra_addr; 2279 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2280 2281 if (flags & IFF_POINTOPOINT) { 2282 iasin = &in_addreq.ifra_dstaddr; 2283 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2284 } 2285 2286 iasin = &in_addreq.ifra_mask; 2287 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2288 2289 if (flags & IFF_BROADCAST) { 2290 iasin = &in_addreq.ifra_broadaddr; 2291 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2292 } 2293 printf("\n"); 2294 } 2295 2296 void 2297 in_status(force) 2298 int force; 2299 { 2300 struct ifaddrs *ifap, *ifa; 2301 struct ifreq isifr; 2302 2303 if (getifaddrs(&ifap) != 0) 2304 err(EXIT_FAILURE, "getifaddrs"); 2305 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2306 if (strcmp(name, ifa->ifa_name) != 0) 2307 continue; 2308 if (ifa->ifa_addr->sa_family != AF_INET) 2309 continue; 2310 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2311 continue; 2312 2313 memset(&isifr, 0, sizeof(isifr)); 2314 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2315 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2316 in_alias(&isifr); 2317 } 2318 freeifaddrs(ifap); 2319 } 2320 2321 void 2322 setifprefixlen(addr, d) 2323 const char *addr; 2324 int d; 2325 { 2326 if (*afp->af_getprefix) 2327 (*afp->af_getprefix)(addr, MASK); 2328 explicit_prefix = 1; 2329 } 2330 2331 #ifdef INET6 2332 void 2333 in6_fillscopeid(sin6) 2334 struct sockaddr_in6 *sin6; 2335 { 2336 #if defined(__KAME__) && defined(KAME_SCOPEID) 2337 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2338 sin6->sin6_scope_id = 2339 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2340 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2341 } 2342 #endif 2343 } 2344 2345 /* XXX not really an alias */ 2346 void 2347 in6_alias(creq) 2348 struct in6_ifreq *creq; 2349 { 2350 struct sockaddr_in6 *sin6; 2351 char hbuf[NI_MAXHOST]; 2352 u_int32_t scopeid; 2353 #ifdef NI_WITHSCOPEID 2354 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2355 #else 2356 const int niflag = NI_NUMERICHOST; 2357 #endif 2358 2359 /* Get the non-alias address for this interface. */ 2360 getsock(AF_INET6); 2361 if (s < 0) { 2362 if (errno == EPROTONOSUPPORT) 2363 return; 2364 err(EXIT_FAILURE, "socket"); 2365 } 2366 2367 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2368 2369 in6_fillscopeid(sin6); 2370 scopeid = sin6->sin6_scope_id; 2371 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2372 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2373 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2374 printf("\tinet6 %s", hbuf); 2375 2376 if (flags & IFF_POINTOPOINT) { 2377 (void) memset(&ifr6, 0, sizeof(ifr6)); 2378 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2379 ifr6.ifr_addr = creq->ifr_addr; 2380 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2381 if (errno != EADDRNOTAVAIL) 2382 warn("SIOCGIFDSTADDR_IN6"); 2383 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2384 ifr6.ifr_addr.sin6_family = AF_INET6; 2385 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2386 } 2387 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2388 in6_fillscopeid(sin6); 2389 hbuf[0] = '\0'; 2390 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2391 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2392 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2393 printf(" -> %s", hbuf); 2394 } 2395 2396 (void) memset(&ifr6, 0, sizeof(ifr6)); 2397 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2398 ifr6.ifr_addr = creq->ifr_addr; 2399 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2400 if (errno != EADDRNOTAVAIL) 2401 warn("SIOCGIFNETMASK_IN6"); 2402 } else { 2403 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2404 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2405 sizeof(struct in6_addr))); 2406 } 2407 2408 (void) memset(&ifr6, 0, sizeof(ifr6)); 2409 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2410 ifr6.ifr_addr = creq->ifr_addr; 2411 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2412 if (errno != EADDRNOTAVAIL) 2413 warn("SIOCGIFAFLAG_IN6"); 2414 } else { 2415 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2416 printf(" anycast"); 2417 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2418 printf(" tentative"); 2419 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2420 printf(" duplicated"); 2421 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2422 printf(" detached"); 2423 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2424 printf(" deprecated"); 2425 } 2426 2427 if (scopeid) 2428 printf(" scopeid 0x%x", scopeid); 2429 2430 if (Lflag) { 2431 struct in6_addrlifetime *lifetime; 2432 (void) memset(&ifr6, 0, sizeof(ifr6)); 2433 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2434 ifr6.ifr_addr = creq->ifr_addr; 2435 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2436 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2437 if (errno != EADDRNOTAVAIL) 2438 warn("SIOCGIFALIFETIME_IN6"); 2439 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2440 time_t t = time(NULL); 2441 printf(" pltime "); 2442 if (lifetime->ia6t_preferred) { 2443 printf("%s", lifetime->ia6t_preferred < t 2444 ? "0" 2445 : sec2str(lifetime->ia6t_preferred - t)); 2446 } else 2447 printf("infty"); 2448 2449 printf(" vltime "); 2450 if (lifetime->ia6t_expire) { 2451 printf("%s", lifetime->ia6t_expire < t 2452 ? "0" 2453 : sec2str(lifetime->ia6t_expire - t)); 2454 } else 2455 printf("infty"); 2456 } 2457 } 2458 2459 printf("\n"); 2460 } 2461 2462 void 2463 in6_status(force) 2464 int force; 2465 { 2466 struct ifaddrs *ifap, *ifa; 2467 struct in6_ifreq isifr; 2468 2469 if (getifaddrs(&ifap) != 0) 2470 err(EXIT_FAILURE, "getifaddrs"); 2471 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2472 if (strcmp(name, ifa->ifa_name) != 0) 2473 continue; 2474 if (ifa->ifa_addr->sa_family != AF_INET6) 2475 continue; 2476 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2477 continue; 2478 2479 memset(&isifr, 0, sizeof(isifr)); 2480 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2481 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2482 in6_alias(&isifr); 2483 } 2484 freeifaddrs(ifap); 2485 } 2486 #endif /*INET6*/ 2487 2488 #ifndef INET_ONLY 2489 2490 void 2491 at_status(force) 2492 int force; 2493 { 2494 struct sockaddr_at *sat, null_sat; 2495 struct netrange *nr; 2496 2497 getsock(AF_APPLETALK); 2498 if (s < 0) { 2499 if (errno == EPROTONOSUPPORT) 2500 return; 2501 err(EXIT_FAILURE, "socket"); 2502 } 2503 (void) memset(&ifr, 0, sizeof(ifr)); 2504 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2505 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2506 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2507 if (!force) 2508 return; 2509 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2510 } else 2511 warn("SIOCGIFADDR"); 2512 } 2513 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2514 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2515 2516 (void) memset(&null_sat, 0, sizeof(null_sat)); 2517 2518 nr = (struct netrange *) &sat->sat_zero; 2519 printf("\tatalk %d.%d range %d-%d phase %d", 2520 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2521 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2522 if (flags & IFF_POINTOPOINT) { 2523 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2524 if (errno == EADDRNOTAVAIL) 2525 (void) memset(&ifr.ifr_addr, 0, 2526 sizeof(ifr.ifr_addr)); 2527 else 2528 warn("SIOCGIFDSTADDR"); 2529 } 2530 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2531 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2532 if (!sat) 2533 sat = &null_sat; 2534 printf("--> %d.%d", 2535 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2536 } 2537 if (flags & IFF_BROADCAST) { 2538 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2539 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2540 if (sat) 2541 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2542 sat->sat_addr.s_node); 2543 } 2544 putchar('\n'); 2545 } 2546 2547 void 2548 xns_status(force) 2549 int force; 2550 { 2551 struct sockaddr_ns *sns; 2552 2553 getsock(AF_NS); 2554 if (s < 0) { 2555 if (errno == EPROTONOSUPPORT) 2556 return; 2557 err(EXIT_FAILURE, "socket"); 2558 } 2559 (void) memset(&ifr, 0, sizeof(ifr)); 2560 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2561 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2562 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2563 if (!force) 2564 return; 2565 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2566 } else 2567 warn("SIOCGIFADDR"); 2568 } 2569 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2570 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2571 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2572 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2573 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2574 if (errno == EADDRNOTAVAIL) 2575 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2576 else 2577 warn("SIOCGIFDSTADDR"); 2578 } 2579 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2580 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2581 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2582 } 2583 putchar('\n'); 2584 } 2585 2586 void 2587 iso_status(force) 2588 int force; 2589 { 2590 struct sockaddr_iso *siso; 2591 struct iso_ifreq isoifr; 2592 2593 getsock(AF_ISO); 2594 if (s < 0) { 2595 if (errno == EPROTONOSUPPORT) 2596 return; 2597 err(EXIT_FAILURE, "socket"); 2598 } 2599 (void) memset(&isoifr, 0, sizeof(isoifr)); 2600 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2601 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2602 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2603 if (!force) 2604 return; 2605 (void) memset(&isoifr.ifr_Addr, 0, 2606 sizeof(isoifr.ifr_Addr)); 2607 } else 2608 warn("SIOCGIFADDR_ISO"); 2609 } 2610 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2611 siso = &isoifr.ifr_Addr; 2612 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2613 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2614 if (errno == EADDRNOTAVAIL) 2615 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2616 else 2617 warn("SIOCGIFNETMASK_ISO"); 2618 } else { 2619 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2620 siso->siso_addr.isoa_len = siso->siso_len 2621 - offsetof(struct sockaddr_iso, siso_addr); 2622 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2623 } 2624 if (flags & IFF_POINTOPOINT) { 2625 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2626 if (errno == EADDRNOTAVAIL) 2627 memset(&isoifr.ifr_Addr, 0, 2628 sizeof(isoifr.ifr_Addr)); 2629 else 2630 warn("SIOCGIFDSTADDR_ISO"); 2631 } 2632 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2633 siso = &isoifr.ifr_Addr; 2634 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2635 } 2636 putchar('\n'); 2637 } 2638 2639 #endif /* INET_ONLY */ 2640 2641 #define SIN(x) ((struct sockaddr_in *) &(x)) 2642 struct sockaddr_in *sintab[] = { 2643 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2644 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2645 2646 void 2647 in_getaddr(str, which) 2648 const char *str; 2649 int which; 2650 { 2651 struct sockaddr_in *gasin = sintab[which]; 2652 struct hostent *hp; 2653 struct netent *np; 2654 2655 gasin->sin_len = sizeof(*gasin); 2656 if (which != MASK) 2657 gasin->sin_family = AF_INET; 2658 2659 if (which == ADDR) { 2660 char *p = NULL; 2661 if ((p = strrchr(str, '/')) != NULL) { 2662 *p = '\0'; 2663 in_getprefix(p + 1, MASK); 2664 } 2665 } 2666 2667 if (inet_aton(str, &gasin->sin_addr) == 0) { 2668 if ((hp = gethostbyname(str)) != NULL) 2669 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2670 else if ((np = getnetbyname(str)) != NULL) 2671 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2672 else 2673 errx(EXIT_FAILURE, "%s: bad value", str); 2674 } 2675 } 2676 2677 void 2678 in_getprefix(plen, which) 2679 const char *plen; 2680 int which; 2681 { 2682 register struct sockaddr_in *igsin = sintab[which]; 2683 register u_char *cp; 2684 int len = strtol(plen, (char **)NULL, 10); 2685 2686 if ((len < 0) || (len > 32)) 2687 errx(EXIT_FAILURE, "%s: bad value", plen); 2688 igsin->sin_len = sizeof(*igsin); 2689 if (which != MASK) 2690 igsin->sin_family = AF_INET; 2691 if ((len == 0) || (len == 32)) { 2692 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2693 return; 2694 } 2695 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2696 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2697 *cp++ = 0xff; 2698 if (len) 2699 *cp = 0xff << (8 - len); 2700 } 2701 2702 #ifdef INET6 2703 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2704 struct sockaddr_in6 *sin6tab[] = { 2705 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2706 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2707 2708 void 2709 in6_getaddr(str, which) 2710 const char *str; 2711 int which; 2712 { 2713 #if defined(__KAME__) && defined(KAME_SCOPEID) 2714 struct sockaddr_in6 *sin6 = sin6tab[which]; 2715 struct addrinfo hints, *res; 2716 int error; 2717 char *slash = NULL; 2718 2719 if (which == ADDR) { 2720 if ((slash = strrchr(str, '/')) != NULL) 2721 *slash = '\0'; 2722 } 2723 2724 memset(&hints, 0, sizeof(hints)); 2725 hints.ai_family = AF_INET6; 2726 hints.ai_socktype = SOCK_DGRAM; 2727 #if 0 /* in_getaddr() allows FQDN */ 2728 hints.ai_flags = AI_NUMERICHOST; 2729 #endif 2730 error = getaddrinfo(str, "0", &hints, &res); 2731 if (error && slash) { 2732 /* try again treating the '/' as part of the name */ 2733 *slash = '/'; 2734 slash = NULL; 2735 error = getaddrinfo(str, "0", &hints, &res); 2736 } 2737 if (error) 2738 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2739 if (res->ai_next) 2740 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2741 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2742 errx(EXIT_FAILURE, "%s: bad value", str); 2743 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2744 freeaddrinfo(res); 2745 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2746 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2747 htons(sin6->sin6_scope_id); 2748 sin6->sin6_scope_id = 0; 2749 } 2750 if (slash) { 2751 in6_getprefix(slash + 1, MASK); 2752 explicit_prefix = 1; 2753 } 2754 #else 2755 struct sockaddr_in6 *gasin = sin6tab[which]; 2756 2757 gasin->sin6_len = sizeof(*gasin); 2758 if (which != MASK) 2759 gasin->sin6_family = AF_INET6; 2760 2761 if (which == ADDR) { 2762 char *p = NULL; 2763 if((p = strrchr(str, '/')) != NULL) { 2764 *p = '\0'; 2765 in6_getprefix(p + 1, MASK); 2766 explicit_prefix = 1; 2767 } 2768 } 2769 2770 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2771 errx(EXIT_FAILURE, "%s: bad value", str); 2772 #endif 2773 } 2774 2775 void 2776 in6_getprefix(plen, which) 2777 const char *plen; 2778 int which; 2779 { 2780 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2781 register u_char *cp; 2782 int len = strtol(plen, (char **)NULL, 10); 2783 2784 if ((len < 0) || (len > 128)) 2785 errx(EXIT_FAILURE, "%s: bad value", plen); 2786 gpsin->sin6_len = sizeof(*gpsin); 2787 if (which != MASK) 2788 gpsin->sin6_family = AF_INET6; 2789 if ((len == 0) || (len == 128)) { 2790 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2791 return; 2792 } 2793 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2794 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2795 *cp++ = 0xff; 2796 if (len) 2797 *cp = 0xff << (8 - len); 2798 } 2799 2800 int 2801 prefix(val, size) 2802 void *val; 2803 int size; 2804 { 2805 register u_char *pname = (u_char *)val; 2806 register int byte, bit, plen = 0; 2807 2808 for (byte = 0; byte < size; byte++, plen += 8) 2809 if (pname[byte] != 0xff) 2810 break; 2811 if (byte == size) 2812 return (plen); 2813 for (bit = 7; bit != 0; bit--, plen++) 2814 if (!(pname[byte] & (1 << bit))) 2815 break; 2816 for (; bit != 0; bit--) 2817 if (pname[byte] & (1 << bit)) 2818 return(0); 2819 byte++; 2820 for (; byte < size; byte++) 2821 if (pname[byte]) 2822 return(0); 2823 return (plen); 2824 } 2825 #endif /*INET6*/ 2826 2827 #ifndef INET_ONLY 2828 void 2829 at_getaddr(addr, which) 2830 const char *addr; 2831 int which; 2832 { 2833 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2834 u_int net, node; 2835 2836 sat->sat_family = AF_APPLETALK; 2837 sat->sat_len = sizeof(*sat); 2838 if (which == MASK) 2839 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2840 if (sscanf(addr, "%u.%u", &net, &node) != 2 2841 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2842 errx(EXIT_FAILURE, "%s: illegal address", addr); 2843 sat->sat_addr.s_net = htons(net); 2844 sat->sat_addr.s_node = node; 2845 } 2846 2847 void 2848 setatrange(range, d) 2849 const char *range; 2850 int d; 2851 { 2852 u_short first = 123, last = 123; 2853 2854 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2855 || first == 0 /* || first > 0xffff */ 2856 || last == 0 /* || last > 0xffff */ || first > last) 2857 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2858 first, last); 2859 at_nr.nr_firstnet = htons(first); 2860 at_nr.nr_lastnet = htons(last); 2861 } 2862 2863 void 2864 setatphase(phase, d) 2865 const char *phase; 2866 int d; 2867 { 2868 if (!strcmp(phase, "1")) 2869 at_nr.nr_phase = 1; 2870 else if (!strcmp(phase, "2")) 2871 at_nr.nr_phase = 2; 2872 else 2873 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2874 } 2875 2876 void 2877 checkatrange(sat) 2878 struct sockaddr_at *sat; 2879 { 2880 if (at_nr.nr_phase == 0) 2881 at_nr.nr_phase = 2; /* Default phase 2 */ 2882 if (at_nr.nr_firstnet == 0) 2883 at_nr.nr_firstnet = /* Default range of one */ 2884 at_nr.nr_lastnet = sat->sat_addr.s_net; 2885 printf("\tatalk %d.%d range %d-%d phase %d\n", 2886 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2887 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2888 if ((u_short) ntohs(at_nr.nr_firstnet) > 2889 (u_short) ntohs(sat->sat_addr.s_net) 2890 || (u_short) ntohs(at_nr.nr_lastnet) < 2891 (u_short) ntohs(sat->sat_addr.s_net)) 2892 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2893 *((struct netrange *) &sat->sat_zero) = at_nr; 2894 } 2895 2896 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2897 struct sockaddr_ns *snstab[] = { 2898 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2899 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2900 2901 void 2902 xns_getaddr(addr, which) 2903 const char *addr; 2904 int which; 2905 { 2906 struct sockaddr_ns *sns = snstab[which]; 2907 2908 sns->sns_family = AF_NS; 2909 sns->sns_len = sizeof(*sns); 2910 sns->sns_addr = ns_addr(addr); 2911 if (which == MASK) 2912 puts("Attempt to set XNS netmask will be ineffectual"); 2913 } 2914 2915 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2916 struct sockaddr_iso *sisotab[] = { 2917 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2918 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2919 2920 void 2921 iso_getaddr(addr, which) 2922 const char *addr; 2923 int which; 2924 { 2925 struct sockaddr_iso *siso = sisotab[which]; 2926 siso->siso_addr = *iso_addr(addr); 2927 2928 if (which == MASK) { 2929 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2930 siso->siso_nlen = 0; 2931 } else { 2932 siso->siso_len = sizeof(*siso); 2933 siso->siso_family = AF_ISO; 2934 } 2935 } 2936 2937 void 2938 setsnpaoffset(val, d) 2939 const char *val; 2940 int d; 2941 { 2942 iso_addreq.ifra_snpaoffset = atoi(val); 2943 } 2944 2945 void 2946 setnsellength(val, d) 2947 const char *val; 2948 int d; 2949 { 2950 nsellength = atoi(val); 2951 if (nsellength < 0) 2952 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2953 if (afp == 0 || afp->af_af != AF_ISO) 2954 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2955 } 2956 2957 void 2958 fixnsel(siso) 2959 struct sockaddr_iso *siso; 2960 { 2961 if (siso->siso_family == 0) 2962 return; 2963 siso->siso_tlen = nsellength; 2964 } 2965 2966 void 2967 adjust_nsellength() 2968 { 2969 fixnsel(sisotab[RIDADDR]); 2970 fixnsel(sisotab[ADDR]); 2971 fixnsel(sisotab[DSTADDR]); 2972 } 2973 2974 #endif /* INET_ONLY */ 2975 2976 void 2977 usage() 2978 { 2979 const char *progname = getprogname(); 2980 2981 fprintf(stderr, 2982 "usage: %s [-m] [-v] [-z] " 2983 #ifdef INET6 2984 "[-L] " 2985 #endif 2986 "interface\n" 2987 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2988 "\t\t[ alias | -alias ] ]\n" 2989 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2990 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2991 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2992 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2993 "\t[ arp | -arp ]\n" 2994 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2995 "[ instance minst ]\n" 2996 "\t[ vlan n vlanif i ]\n" 2997 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2998 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2999 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 3000 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 3001 " %s -l [-b] [-d] [-u] [-s]\n" 3002 " %s -C\n" 3003 " %s interface create\n" 3004 " %s interface destroy\n", 3005 progname, progname, progname, progname, progname, progname); 3006 exit(1); 3007 } 3008 3009 #ifdef INET6 3010 char * 3011 sec2str(total) 3012 time_t total; 3013 { 3014 static char result[256]; 3015 int days, hours, mins, secs; 3016 int first = 1; 3017 char *p = result; 3018 char *end = &result[sizeof(result)]; 3019 int n; 3020 3021 if (0) { /*XXX*/ 3022 days = total / 3600 / 24; 3023 hours = (total / 3600) % 24; 3024 mins = (total / 60) % 60; 3025 secs = total % 60; 3026 3027 if (days) { 3028 first = 0; 3029 n = snprintf(p, end - p, "%dd", days); 3030 if (n < 0 || n >= end - p) 3031 return(result); 3032 p += n; 3033 } 3034 if (!first || hours) { 3035 first = 0; 3036 n = snprintf(p, end - p, "%dh", hours); 3037 if (n < 0 || n >= end - p) 3038 return(result); 3039 p += n; 3040 } 3041 if (!first || mins) { 3042 first = 0; 3043 n = snprintf(p, end - p, "%dm", mins); 3044 if (n < 0 || n >= end - p) 3045 return(result); 3046 p += n; 3047 } 3048 snprintf(p, end - p, "%ds", secs); 3049 } else 3050 snprintf(p, end - p, "%lu", (u_long)total); 3051 3052 return(result); 3053 } 3054 #endif 3055
Indexes created Tue Sep 30 20:09:53 GMT 2025