ifconfig.c revision 1.145
1 /* $NetBSD: ifconfig.c,v 1.145 2004/10/11 20:13:37 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/cdefs.h> 70 #ifndef lint 71 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73 #endif /* not lint */ 74 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.145 2004/10/11 20:13:37 dsl Exp $"); 80 #endif 81 #endif /* not lint */ 82 83 #include <sys/param.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 87 #include <net/if.h> 88 #include <net/if_dl.h> 89 #include <net/if_media.h> 90 #include <net/if_ether.h> 91 #include <net80211/ieee80211.h> 92 #include <net80211/ieee80211_ioctl.h> 93 #include <net/if_vlanvar.h> 94 #include <netinet/in.h> 95 #include <netinet/in_var.h> 96 #ifdef INET6 97 #include <netinet6/nd6.h> 98 #endif 99 #include <arpa/inet.h> 100 101 #include <netatalk/at.h> 102 103 #define NSIP 104 #include <netns/ns.h> 105 #include <netns/ns_if.h> 106 #include <netdb.h> 107 108 #define EON 109 #include <netiso/iso.h> 110 #include <netiso/iso_var.h> 111 #include <sys/protosw.h> 112 113 #include <ctype.h> 114 #include <err.h> 115 #include <errno.h> 116 #include <stddef.h> 117 #include <stdio.h> 118 #include <stdlib.h> 119 #include <string.h> 120 #include <unistd.h> 121 #include <ifaddrs.h> 122 #include <util.h> 123 124 struct ifreq ifr, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 struct in_aliasreq in_addreq; 127 #ifdef INET6 128 struct in6_ifreq ifr6; 129 struct in6_ifreq in6_ridreq; 130 struct in6_aliasreq in6_addreq; 131 #endif 132 struct iso_ifreq iso_ridreq; 133 struct iso_aliasreq iso_addreq; 134 struct sockaddr_in netmask; 135 struct netrange at_nr; /* AppleTalk net range */ 136 137 char name[30]; 138 u_short flags; 139 int setaddr, setipdst, doalias; 140 u_long metric, mtu; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int explicit_prefix = 0; 151 u_int vlan_tag = (u_int)-1; 152 153 struct ifcapreq g_ifcr; 154 int g_ifcr_updated; 155 156 void notealias(const char *, int); 157 void notrailers(const char *, int); 158 void setifaddr(const char *, int); 159 void setifdstaddr(const char *, int); 160 void setifflags(const char *, int); 161 void setifcaps(const char *, int); 162 void setifbroadaddr(const char *, int); 163 void setifipdst(const char *, int); 164 void setifmetric(const char *, int); 165 void setifmtu(const char *, int); 166 void setifnwid(const char *, int); 167 void setifnwkey(const char *, int); 168 void setifbssid(const char *, int); 169 void setifchan(const char *, int); 170 void setifpowersave(const char *, int); 171 void setifpowersavesleep(const char *, int); 172 void setifnetmask(const char *, int); 173 void setifprefixlen(const char *, int); 174 void setnsellength(const char *, int); 175 void setsnpaoffset(const char *, int); 176 void setatrange(const char *, int); 177 void setatphase(const char *, int); 178 void settunnel(const char *, const char *); 179 void deletetunnel(const char *, int); 180 #ifdef INET6 181 void setia6flags(const char *, int); 182 void setia6pltime(const char *, int); 183 void setia6vltime(const char *, int); 184 void setia6lifetime(const char *, const char *); 185 void setia6eui64(const char *, int); 186 #endif 187 void checkatrange(struct sockaddr_at *); 188 void setmedia(const char *, int); 189 void setmediamode(const char *, int); 190 void setmediaopt(const char *, int); 191 void unsetmediaopt(const char *, int); 192 void setmediainst(const char *, int); 193 void clone_create(const char *, int); 194 void clone_destroy(const char *, int); 195 void fixnsel(struct sockaddr_iso *); 196 void setvlan(const char *, int); 197 void setvlanif(const char *, int); 198 void unsetvlanif(const char *, int); 199 int main(int, char *[]); 200 201 /* 202 * Media stuff. Whenever a media command is first performed, the 203 * currently select media is grabbed for this interface. If `media' 204 * is given, the current media word is modifed. `mediaopt' commands 205 * only modify the set and clear words. They then operate on the 206 * current media word later. 207 */ 208 int media_current; 209 int mediaopt_set; 210 int mediaopt_clear; 211 212 int actions; /* Actions performed */ 213 214 #define A_MEDIA 0x0001 /* media command */ 215 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 216 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 217 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 218 #define A_MEDIAINST 0x0008 /* instance or inst command */ 219 #define A_MEDIAMODE 0x0010 /* mode command */ 220 221 #define NEXTARG 0xffffff 222 #define NEXTARG2 0xfffffe 223 224 const struct cmd { 225 const char *c_name; 226 int c_parameter; /* NEXTARG means next argv */ 227 int c_action; /* defered action */ 228 void (*c_func)(const char *, int); 229 void (*c_func2)(const char *, const char *); 230 } cmds[] = { 231 { "up", IFF_UP, 0, setifflags } , 232 { "down", -IFF_UP, 0, setifflags }, 233 { "trailers", -1, 0, notrailers }, 234 { "-trailers", 1, 0, notrailers }, 235 { "arp", -IFF_NOARP, 0, setifflags }, 236 { "-arp", IFF_NOARP, 0, setifflags }, 237 { "debug", IFF_DEBUG, 0, setifflags }, 238 { "-debug", -IFF_DEBUG, 0, setifflags }, 239 { "alias", IFF_UP, 0, notealias }, 240 { "-alias", -IFF_UP, 0, notealias }, 241 { "delete", -IFF_UP, 0, notealias }, 242 #ifdef notdef 243 #define EN_SWABIPS 0x1000 244 { "swabips", EN_SWABIPS, 0, setifflags }, 245 { "-swabips", -EN_SWABIPS, 0, setifflags }, 246 #endif 247 { "netmask", NEXTARG, 0, setifnetmask }, 248 { "metric", NEXTARG, 0, setifmetric }, 249 { "mtu", NEXTARG, 0, setifmtu }, 250 { "bssid", NEXTARG, 0, setifbssid }, 251 { "-bssid", -1, 0, setifbssid }, 252 { "chan", NEXTARG, 0, setifchan }, 253 { "-chan", -1, 0, setifchan }, 254 { "ssid", NEXTARG, 0, setifnwid }, 255 { "nwid", NEXTARG, 0, setifnwid }, 256 { "nwkey", NEXTARG, 0, setifnwkey }, 257 { "-nwkey", -1, 0, setifnwkey }, 258 { "powersave", 1, 0, setifpowersave }, 259 { "-powersave", 0, 0, setifpowersave }, 260 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 261 { "broadcast", NEXTARG, 0, setifbroadaddr }, 262 { "ipdst", NEXTARG, 0, setifipdst }, 263 { "prefixlen", NEXTARG, 0, setifprefixlen}, 264 #ifdef INET6 265 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 266 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 267 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 268 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 269 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 270 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 271 { "pltime", NEXTARG, 0, setia6pltime }, 272 { "vltime", NEXTARG, 0, setia6vltime }, 273 { "eui64", 0, 0, setia6eui64 }, 274 #endif /*INET6*/ 275 #ifndef INET_ONLY 276 { "range", NEXTARG, 0, setatrange }, 277 { "phase", NEXTARG, 0, setatphase }, 278 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 279 { "nsellength", NEXTARG, 0, setnsellength }, 280 #endif /* INET_ONLY */ 281 { "tunnel", NEXTARG2, 0, NULL, 282 settunnel } , 283 { "deletetunnel", 0, 0, deletetunnel }, 284 { "vlan", NEXTARG, 0, setvlan } , 285 { "vlanif", NEXTARG, 0, setvlanif } , 286 { "-vlanif", 0, 0, unsetvlanif } , 287 #if 0 288 /* XXX `create' special-cased below */ 289 { "create", 0, 0, clone_create } , 290 #endif 291 { "destroy", 0, 0, clone_destroy } , 292 { "link0", IFF_LINK0, 0, setifflags } , 293 { "-link0", -IFF_LINK0, 0, setifflags } , 294 { "link1", IFF_LINK1, 0, setifflags } , 295 { "-link1", -IFF_LINK1, 0, setifflags } , 296 { "link2", IFF_LINK2, 0, setifflags } , 297 { "-link2", -IFF_LINK2, 0, setifflags } , 298 { "media", NEXTARG, A_MEDIA, setmedia }, 299 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 300 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 301 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 302 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 303 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 304 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 305 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 306 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 307 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 308 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 309 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 310 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 311 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 312 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 313 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 314 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 315 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 316 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 317 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 318 { 0, 0, 0, setifaddr }, 319 { 0, 0, 0, setifdstaddr }, 320 }; 321 322 void adjust_nsellength(void); 323 int getinfo(struct ifreq *); 324 int carrier(void); 325 void getsock(int); 326 void printall(const char *); 327 void list_cloners(void); 328 int prefix(void *, int); 329 void status(const struct sockaddr_dl *); 330 void usage(void); 331 const char *get_string(const char *, const char *, u_int8_t *, int *); 332 void print_string(const u_int8_t *, int); 333 char *sec2str(time_t); 334 335 const char *get_media_type_string(int); 336 const char *get_media_subtype_string(int); 337 int get_media_mode(int, const char *); 338 int get_media_subtype(int, const char *); 339 int get_media_options(int, const char *); 340 int lookup_media_word(struct ifmedia_description *, int, 341 const char *); 342 void print_media_word(int, int, int); 343 void process_media_commands(void); 344 void init_current_media(void); 345 346 /* 347 * XNS support liberally adapted from code written at the University of 348 * Maryland principally by James O'Toole and Chris Torek. 349 */ 350 void in_alias(struct ifreq *); 351 void in_status(int); 352 void in_getaddr(const char *, int); 353 void in_getprefix(const char *, int); 354 #ifdef INET6 355 void in6_fillscopeid(struct sockaddr_in6 *sin6); 356 void in6_alias(struct in6_ifreq *); 357 void in6_status(int); 358 void in6_getaddr(const char *, int); 359 void in6_getprefix(const char *, int); 360 #endif 361 void at_status(int); 362 void at_getaddr(const char *, int); 363 void xns_status(int); 364 void xns_getaddr(const char *, int); 365 void iso_status(int); 366 void iso_getaddr(const char *, int); 367 368 void ieee80211_status(void); 369 void tunnel_status(void); 370 void vlan_status(void); 371 372 /* Known address families */ 373 struct afswtch { 374 const char *af_name; 375 short af_af; 376 void (*af_status)(int); 377 void (*af_getaddr)(const char *, int); 378 void (*af_getprefix)(const char *, int); 379 u_long af_difaddr; 380 u_long af_aifaddr; 381 u_long af_gifaddr; 382 void *af_ridreq; 383 void *af_addreq; 384 } afs[] = { 385 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 387 #ifdef INET6 388 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 389 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 390 /* 391 * Deleting the first address before setting new one is 392 * not prefered way in this protocol. 393 */ 394 0, 395 &in6_ridreq, &in6_addreq }, 396 #endif 397 #ifndef INET_ONLY /* small version, for boot media */ 398 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 399 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 400 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 401 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 402 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 403 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 404 &iso_ridreq, &iso_addreq }, 405 #endif /* INET_ONLY */ 406 { 0, 0, 0, 0 } 407 }; 408 409 struct afswtch *afp; /*the address family being set or asked about*/ 410 411 struct afswtch *lookup_af(const char *); 412 413 int 414 main(int argc, char *argv[]) 415 { 416 int ch; 417 418 /* Parse command-line options */ 419 aflag = mflag = vflag = zflag = 0; 420 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 421 #ifdef INET6 422 "L" 423 #endif 424 )) != -1) { 425 switch (ch) { 426 case 'A': 427 warnx("-A is deprecated"); 428 break; 429 430 case 'a': 431 aflag = 1; 432 break; 433 434 case 'b': 435 bflag = 1; 436 break; 437 438 case 'C': 439 Cflag = 1; 440 break; 441 442 case 'd': 443 dflag = 1; 444 break; 445 446 #ifdef INET6 447 case 'L': 448 Lflag = 1; 449 break; 450 #endif 451 452 case 'l': 453 lflag = 1; 454 break; 455 456 case 'm': 457 mflag = 1; 458 break; 459 460 case 's': 461 sflag = 1; 462 break; 463 464 case 'u': 465 uflag = 1; 466 break; 467 468 case 'v': 469 vflag = 1; 470 break; 471 472 case 'z': 473 zflag = 1; 474 break; 475 476 477 default: 478 usage(); 479 /* NOTREACHED */ 480 } 481 } 482 argc -= optind; 483 argv += optind; 484 485 /* 486 * -l means "list all interfaces", and is mutally exclusive with 487 * all other flags/commands. 488 * 489 * -C means "list all names of cloners", and it mutually exclusive 490 * with all other flags/commands. 491 * 492 * -a means "print status of all interfaces". 493 */ 494 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 495 usage(); 496 #ifdef INET6 497 if ((lflag || Cflag) && Lflag) 498 usage(); 499 #endif 500 if (lflag && Cflag) 501 usage(); 502 if (Cflag) { 503 if (argc) 504 usage(); 505 list_cloners(); 506 exit(0); 507 } 508 if (aflag || lflag) { 509 if (argc > 1) 510 usage(); 511 else if (argc == 1) { 512 afp = lookup_af(argv[0]); 513 if (afp == NULL) 514 usage(); 515 } 516 if (afp) 517 af = ifr.ifr_addr.sa_family = afp->af_af; 518 else 519 af = ifr.ifr_addr.sa_family = afs[0].af_af; 520 printall(NULL); 521 exit(0); 522 } 523 524 /* Make sure there's an interface name. */ 525 if (argc < 1) 526 usage(); 527 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 528 errx(1, "interface name '%s' too long", argv[0]); 529 argc--; argv++; 530 531 /* 532 * NOTE: We must special-case the `create' command right 533 * here as we would otherwise fail in getinfo(). 534 */ 535 if (argc > 0 && strcmp(argv[0], "create") == 0) { 536 clone_create(argv[0], 0); 537 argc--, argv++; 538 if (argc == 0) 539 exit(0); 540 } 541 542 /* Check for address family. */ 543 afp = NULL; 544 if (argc > 0) { 545 afp = lookup_af(argv[0]); 546 if (afp != NULL) { 547 argv++; 548 argc--; 549 } 550 } 551 552 /* Initialize af, just for use in getinfo(). */ 553 if (afp == NULL) 554 af = afs->af_af; 555 else 556 af = afp->af_af; 557 558 /* Get information about the interface. */ 559 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 560 if (getinfo(&ifr) < 0) 561 exit(1); 562 563 if (sflag) { 564 if (argc != 0) 565 usage(); 566 else 567 exit(carrier()); 568 } 569 570 /* No more arguments means interface status. */ 571 if (argc == 0) { 572 printall(name); 573 exit(0); 574 } 575 576 /* The following operations assume inet family as the default. */ 577 if (afp == NULL) 578 afp = afs; 579 af = ifr.ifr_addr.sa_family = afp->af_af; 580 581 #ifdef INET6 582 /* initialization */ 583 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 584 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 585 #endif 586 587 /* Process commands. */ 588 while (argc > 0) { 589 const struct cmd *p; 590 591 for (p = cmds; p->c_name; p++) 592 if (strcmp(argv[0], p->c_name) == 0) 593 break; 594 if (p->c_name == 0 && setaddr) { 595 if ((flags & IFF_POINTOPOINT) == 0) { 596 errx(EXIT_FAILURE, 597 "can't set destination address %s", 598 "on non-point-to-point link"); 599 } 600 p++; /* got src, do dst */ 601 } 602 if (p->c_func != NULL || p->c_func2 != NULL) { 603 if (p->c_parameter == NEXTARG) { 604 if (argc < 2) 605 errx(EXIT_FAILURE, 606 "'%s' requires argument", 607 p->c_name); 608 (*p->c_func)(argv[1], 0); 609 argc--, argv++; 610 } else if (p->c_parameter == NEXTARG2) { 611 if (argc < 3) 612 errx(EXIT_FAILURE, 613 "'%s' requires 2 arguments", 614 p->c_name); 615 (*p->c_func2)(argv[1], argv[2]); 616 argc -= 2, argv += 2; 617 } else 618 (*p->c_func)(argv[0], p->c_parameter); 619 actions |= p->c_action; 620 } 621 argc--, argv++; 622 } 623 624 /* 625 * See if multiple alias, -alias, or delete commands were 626 * specified. More than one constitutes an invalid command line 627 */ 628 629 if (conflicting > 1) 630 errx(EXIT_FAILURE, 631 "Only one use of alias, -alias or delete is valid."); 632 633 /* Process any media commands that may have been issued. */ 634 process_media_commands(); 635 636 if (af == AF_INET6 && explicit_prefix == 0) { 637 /* 638 * Aggregatable address architecture defines all prefixes 639 * are 64. So, it is convenient to set prefixlen to 64 if 640 * it is not specified. 641 */ 642 setifprefixlen("64", 0); 643 /* in6_getprefix("64", MASK) if MASK is available here... */ 644 } 645 646 #ifndef INET_ONLY 647 if (af == AF_ISO) 648 adjust_nsellength(); 649 650 if (af == AF_APPLETALK) 651 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 652 653 if (setipdst && af==AF_NS) { 654 struct nsip_req rq; 655 int size = sizeof(rq); 656 657 rq.rq_ns = addreq.ifra_addr; 658 rq.rq_ip = addreq.ifra_dstaddr; 659 660 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 661 warn("encapsulation routing"); 662 } 663 664 #endif /* INET_ONLY */ 665 666 if (clearaddr) { 667 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 668 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 669 err(EXIT_FAILURE, "SIOCDIFADDR"); 670 } 671 if (newaddr > 0) { 672 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 673 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 674 warn("SIOCAIFADDR"); 675 } 676 677 if (g_ifcr_updated) { 678 (void) strncpy(g_ifcr.ifcr_name, name, 679 sizeof(g_ifcr.ifcr_name)); 680 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 681 err(EXIT_FAILURE, "SIOCSIFCAP"); 682 } 683 684 exit(0); 685 } 686 687 struct afswtch * 688 lookup_af(const char *cp) 689 { 690 struct afswtch *a; 691 692 for (a = afs; a->af_name != NULL; a++) 693 if (strcmp(a->af_name, cp) == 0) 694 return (a); 695 return (NULL); 696 } 697 698 void 699 getsock(int naf) 700 { 701 static int oaf = -1; 702 703 if (oaf == naf) 704 return; 705 if (oaf != -1) 706 close(s); 707 s = socket(naf, SOCK_DGRAM, 0); 708 if (s < 0) 709 oaf = -1; 710 else 711 oaf = naf; 712 } 713 714 int 715 getinfo(struct ifreq *giifr) 716 { 717 718 getsock(af); 719 if (s < 0) 720 err(EXIT_FAILURE, "socket"); 721 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 722 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 723 return (-1); 724 } 725 flags = giifr->ifr_flags; 726 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 727 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 728 metric = 0; 729 } else 730 metric = giifr->ifr_metric; 731 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 732 mtu = 0; 733 else 734 mtu = giifr->ifr_mtu; 735 736 memset(&g_ifcr, 0, sizeof(g_ifcr)); 737 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 738 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 739 740 return (0); 741 } 742 743 void 744 printall(const char *ifname) 745 { 746 struct ifaddrs *ifap, *ifa; 747 struct ifreq paifr; 748 const struct sockaddr_dl *sdl = NULL; 749 int idx; 750 char *p; 751 752 if (getifaddrs(&ifap) != 0) 753 err(EXIT_FAILURE, "getifaddrs"); 754 p = NULL; 755 idx = 0; 756 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 757 memset(&paifr, 0, sizeof(paifr)); 758 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 759 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 760 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 761 ifa->ifa_addr->sa_len); 762 } 763 764 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 765 continue; 766 if (ifa->ifa_addr->sa_family == AF_LINK) 767 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 768 if (p && strcmp(p, ifa->ifa_name) == 0) 769 continue; 770 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 771 continue; 772 p = ifa->ifa_name; 773 774 if (getinfo(&paifr) < 0) 775 continue; 776 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 777 continue; 778 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 779 continue; 780 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 781 continue; 782 783 if (sflag && carrier()) 784 continue; 785 idx++; 786 /* 787 * Are we just listing the interfaces? 788 */ 789 if (lflag) { 790 if (idx > 1) 791 putchar(' '); 792 fputs(name, stdout); 793 continue; 794 } 795 796 status(sdl); 797 sdl = NULL; 798 } 799 if (lflag) 800 putchar('\n'); 801 freeifaddrs(ifap); 802 } 803 804 void 805 list_cloners(void) 806 { 807 struct if_clonereq ifcr; 808 char *cp, *buf; 809 int idx; 810 811 memset(&ifcr, 0, sizeof(ifcr)); 812 813 getsock(AF_INET); 814 815 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 816 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 817 818 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 819 if (buf == NULL) 820 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 821 822 ifcr.ifcr_count = ifcr.ifcr_total; 823 ifcr.ifcr_buffer = buf; 824 825 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 826 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 827 828 /* 829 * In case some disappeared in the mean time, clamp it down. 830 */ 831 if (ifcr.ifcr_count > ifcr.ifcr_total) 832 ifcr.ifcr_count = ifcr.ifcr_total; 833 834 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 835 if (idx > 0) 836 putchar(' '); 837 printf("%s", cp); 838 } 839 840 putchar('\n'); 841 free(buf); 842 return; 843 } 844 845 /*ARGSUSED*/ 846 void 847 clone_create(const char *addr, int param) 848 { 849 850 /* We're called early... */ 851 getsock(AF_INET); 852 853 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 854 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 855 err(EXIT_FAILURE, "SIOCIFCREATE"); 856 } 857 858 /*ARGSUSED*/ 859 void 860 clone_destroy(const char *addr, int param) 861 { 862 863 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 864 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 865 err(EXIT_FAILURE, "SIOCIFDESTROY"); 866 } 867 868 #define RIDADDR 0 869 #define ADDR 1 870 #define MASK 2 871 #define DSTADDR 3 872 873 /*ARGSUSED*/ 874 void 875 setifaddr(const char *addr, int param) 876 { 877 struct ifreq *siifr; /* XXX */ 878 879 /* 880 * Delay the ioctl to set the interface addr until flags are all set. 881 * The address interpretation may depend on the flags, 882 * and the flags may change when the address is set. 883 */ 884 setaddr++; 885 if (newaddr == -1) 886 newaddr = 1; 887 if (doalias == 0 && afp->af_gifaddr != 0) { 888 siifr = (struct ifreq *)afp->af_ridreq; 889 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 890 siifr->ifr_addr.sa_family = afp->af_af; 891 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 892 clearaddr = 1; 893 else if (errno == EADDRNOTAVAIL) 894 /* No address was assigned yet. */ 895 ; 896 else 897 err(EXIT_FAILURE, "SIOCGIFADDR"); 898 } 899 900 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 901 } 902 903 void 904 settunnel(const char *src, const char *dst) 905 { 906 struct addrinfo hints, *srcres, *dstres; 907 int ecode; 908 struct if_laddrreq req; 909 910 memset(&hints, 0, sizeof(hints)); 911 hints.ai_family = afp->af_af; 912 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 913 914 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 915 errx(EXIT_FAILURE, "error in parsing address string: %s", 916 gai_strerror(ecode)); 917 918 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 919 errx(EXIT_FAILURE, "error in parsing address string: %s", 920 gai_strerror(ecode)); 921 922 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 923 errx(EXIT_FAILURE, 924 "source and destination address families do not match"); 925 926 if (srcres->ai_addrlen > sizeof(req.addr) || 927 dstres->ai_addrlen > sizeof(req.dstaddr)) 928 errx(EXIT_FAILURE, "invalid sockaddr"); 929 930 memset(&req, 0, sizeof(req)); 931 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 932 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 933 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 934 935 #ifdef INET6 936 if (req.addr.ss_family == AF_INET6) { 937 struct sockaddr_in6 *s6, *d; 938 939 s6 = (struct sockaddr_in6 *)&req.addr; 940 d = (struct sockaddr_in6 *)&req.dstaddr; 941 if (s6->sin6_scope_id != d->sin6_scope_id) { 942 errx(EXIT_FAILURE, "scope mismatch"); 943 /* NOTREACHED */ 944 } 945 #ifdef __KAME__ 946 /* embed scopeid */ 947 if (s6->sin6_scope_id && 948 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 949 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 950 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 951 htons(s6->sin6_scope_id); 952 } 953 if (d->sin6_scope_id && 954 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 955 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 956 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 957 htons(d->sin6_scope_id); 958 } 959 #endif 960 } 961 #endif 962 963 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 964 warn("SIOCSLIFPHYADDR"); 965 966 freeaddrinfo(srcres); 967 freeaddrinfo(dstres); 968 } 969 970 /* ARGSUSED */ 971 void 972 deletetunnel(const char *vname, int param) 973 { 974 975 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 976 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 977 } 978 979 void 980 setvlan(const char *val, int d) 981 { 982 struct vlanreq vlr; 983 984 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 985 !isdigit(ifr.ifr_name[4])) 986 errx(EXIT_FAILURE, 987 "``vlan'' valid only with vlan(4) interfaces"); 988 989 vlan_tag = atoi(val); 990 991 memset(&vlr, 0, sizeof(vlr)); 992 ifr.ifr_data = (void *)&vlr; 993 994 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 995 err(EXIT_FAILURE, "SIOCGETVLAN"); 996 997 vlr.vlr_tag = vlan_tag; 998 999 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1000 err(EXIT_FAILURE, "SIOCSETVLAN"); 1001 } 1002 1003 void 1004 setvlanif(const char *val, int d) 1005 { 1006 struct vlanreq vlr; 1007 1008 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1009 !isdigit(ifr.ifr_name[4])) 1010 errx(EXIT_FAILURE, 1011 "``vlanif'' valid only with vlan(4) interfaces"); 1012 1013 if (vlan_tag == (u_int)-1) 1014 errx(EXIT_FAILURE, 1015 "must specify both ``vlan'' and ``vlanif''"); 1016 1017 memset(&vlr, 0, sizeof(vlr)); 1018 ifr.ifr_data = (void *)&vlr; 1019 1020 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1021 err(EXIT_FAILURE, "SIOCGETVLAN"); 1022 1023 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1024 vlr.vlr_tag = vlan_tag; 1025 1026 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1027 err(EXIT_FAILURE, "SIOCSETVLAN"); 1028 } 1029 1030 void 1031 unsetvlanif(const char *val, int d) 1032 { 1033 struct vlanreq vlr; 1034 1035 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1036 !isdigit(ifr.ifr_name[4])) 1037 errx(EXIT_FAILURE, 1038 "``vlanif'' valid only with vlan(4) interfaces"); 1039 1040 memset(&vlr, 0, sizeof(vlr)); 1041 ifr.ifr_data = (void *)&vlr; 1042 1043 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1044 err(EXIT_FAILURE, "SIOCGETVLAN"); 1045 1046 vlr.vlr_parent[0] = '\0'; 1047 vlr.vlr_tag = 0; 1048 1049 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1050 err(EXIT_FAILURE, "SIOCSETVLAN"); 1051 } 1052 1053 void 1054 setifnetmask(const char *addr, int d) 1055 { 1056 (*afp->af_getaddr)(addr, MASK); 1057 } 1058 1059 void 1060 setifbroadaddr(const char *addr, int d) 1061 { 1062 (*afp->af_getaddr)(addr, DSTADDR); 1063 } 1064 1065 void 1066 setifipdst(const char *addr, int d) 1067 { 1068 in_getaddr(addr, DSTADDR); 1069 setipdst++; 1070 clearaddr = 0; 1071 newaddr = 0; 1072 } 1073 1074 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1075 /*ARGSUSED*/ 1076 void 1077 notealias(const char *addr, int param) 1078 { 1079 if (setaddr && doalias == 0 && param < 0) 1080 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1081 rqtosa(af_addreq)->sa_len); 1082 doalias = param; 1083 if (param < 0) { 1084 clearaddr = 1; 1085 newaddr = 0; 1086 conflicting++; 1087 } else { 1088 clearaddr = 0; 1089 conflicting++; 1090 } 1091 } 1092 1093 /*ARGSUSED*/ 1094 void 1095 notrailers(const char *vname, int value) 1096 { 1097 puts("Note: trailers are no longer sent, but always received"); 1098 } 1099 1100 /*ARGSUSED*/ 1101 void 1102 setifdstaddr(const char *addr, int param) 1103 { 1104 (*afp->af_getaddr)(addr, DSTADDR); 1105 } 1106 1107 void 1108 setifflags(const char *vname, int value) 1109 { 1110 struct ifreq ifreq; 1111 1112 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1113 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1114 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1115 flags = ifreq.ifr_flags; 1116 1117 if (value < 0) { 1118 value = -value; 1119 flags &= ~value; 1120 } else 1121 flags |= value; 1122 ifreq.ifr_flags = flags; 1123 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1124 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1125 } 1126 1127 void 1128 setifcaps(const char *vname, int value) 1129 { 1130 1131 if (value < 0) { 1132 value = -value; 1133 g_ifcr.ifcr_capenable &= ~value; 1134 } else 1135 g_ifcr.ifcr_capenable |= value; 1136 1137 g_ifcr_updated = 1; 1138 } 1139 1140 #ifdef INET6 1141 void 1142 setia6flags(const char *vname, int value) 1143 { 1144 1145 if (value < 0) { 1146 value = -value; 1147 in6_addreq.ifra_flags &= ~value; 1148 } else 1149 in6_addreq.ifra_flags |= value; 1150 } 1151 1152 void 1153 setia6pltime(const char *val, int d) 1154 { 1155 1156 setia6lifetime("pltime", val); 1157 } 1158 1159 void 1160 setia6vltime(const char *val, int d) 1161 { 1162 1163 setia6lifetime("vltime", val); 1164 } 1165 1166 void 1167 setia6lifetime(const char *cmd, const char *val) 1168 { 1169 time_t newval, t; 1170 char *ep; 1171 1172 t = time(NULL); 1173 newval = (time_t)strtoul(val, &ep, 0); 1174 if (val == ep) 1175 errx(EXIT_FAILURE, "invalid %s", cmd); 1176 if (afp->af_af != AF_INET6) 1177 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1178 if (strcmp(cmd, "vltime") == 0) { 1179 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1180 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1181 } else if (strcmp(cmd, "pltime") == 0) { 1182 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1183 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1184 } 1185 } 1186 1187 void 1188 setia6eui64(const char *cmd, int val) 1189 { 1190 struct ifaddrs *ifap, *ifa; 1191 const struct sockaddr_in6 *sin6 = NULL; 1192 const struct in6_addr *lladdr = NULL; 1193 struct in6_addr *in6; 1194 1195 if (afp->af_af != AF_INET6) 1196 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1197 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1198 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1199 errx(EXIT_FAILURE, "interface index is already filled"); 1200 if (getifaddrs(&ifap) != 0) 1201 err(EXIT_FAILURE, "getifaddrs"); 1202 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1203 if (ifa->ifa_addr->sa_family == AF_INET6 && 1204 strcmp(ifa->ifa_name, name) == 0) { 1205 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1206 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1207 lladdr = &sin6->sin6_addr; 1208 break; 1209 } 1210 } 1211 } 1212 if (!lladdr) 1213 errx(EXIT_FAILURE, "could not determine link local address"); 1214 1215 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1216 1217 freeifaddrs(ifap); 1218 } 1219 #endif 1220 1221 void 1222 setifmetric(const char *val, int d) 1223 { 1224 char *ep = NULL; 1225 1226 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1227 ifr.ifr_metric = strtoul(val, &ep, 10); 1228 if (!ep || *ep) 1229 errx(EXIT_FAILURE, "%s: invalid metric", val); 1230 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1231 warn("SIOCSIFMETRIC"); 1232 } 1233 1234 void 1235 setifmtu(const char *val, int d) 1236 { 1237 char *ep = NULL; 1238 1239 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1240 ifr.ifr_mtu = strtoul(val, &ep, 10); 1241 if (!ep || *ep) 1242 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1243 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1244 warn("SIOCSIFMTU"); 1245 } 1246 1247 const char * 1248 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1249 { 1250 int len; 1251 int hexstr; 1252 u_int8_t *p; 1253 1254 len = *lenp; 1255 p = buf; 1256 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1257 if (hexstr) 1258 val += 2; 1259 for (;;) { 1260 if (*val == '\0') 1261 break; 1262 if (sep != NULL && strchr(sep, *val) != NULL) { 1263 val++; 1264 break; 1265 } 1266 if (hexstr) { 1267 if (!isxdigit((u_char)val[0]) || 1268 !isxdigit((u_char)val[1])) { 1269 warnx("bad hexadecimal digits"); 1270 return NULL; 1271 } 1272 } 1273 if (p > buf + len) { 1274 if (hexstr) 1275 warnx("hexadecimal digits too long"); 1276 else 1277 warnx("strings too long"); 1278 return NULL; 1279 } 1280 if (hexstr) { 1281 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1282 *p++ = (tohex((u_char)val[0]) << 4) | 1283 tohex((u_char)val[1]); 1284 #undef tohex 1285 val += 2; 1286 } else 1287 *p++ = *val++; 1288 } 1289 len = p - buf; 1290 if (len < *lenp) 1291 memset(p, 0, *lenp - len); 1292 *lenp = len; 1293 return val; 1294 } 1295 1296 void 1297 print_string(const u_int8_t *buf, int len) 1298 { 1299 int i; 1300 int hasspc; 1301 1302 i = 0; 1303 hasspc = 0; 1304 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1305 for (; i < len; i++) { 1306 if (!isprint(buf[i])) 1307 break; 1308 if (isspace(buf[i])) 1309 hasspc++; 1310 } 1311 } 1312 if (i == len) { 1313 if (hasspc || len == 0) 1314 printf("\"%.*s\"", len, buf); 1315 else 1316 printf("%.*s", len, buf); 1317 } else { 1318 printf("0x"); 1319 for (i = 0; i < len; i++) 1320 printf("%02x", buf[i]); 1321 } 1322 } 1323 1324 void 1325 setifnwid(const char *val, int d) 1326 { 1327 struct ieee80211_nwid nwid; 1328 int len; 1329 1330 len = sizeof(nwid.i_nwid); 1331 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1332 return; 1333 nwid.i_len = len; 1334 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1335 ifr.ifr_data = (void *)&nwid; 1336 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1337 warn("SIOCS80211NWID"); 1338 } 1339 1340 void 1341 setifbssid(const char *val, int d) 1342 { 1343 struct ieee80211_bssid bssid; 1344 struct ether_addr *ea; 1345 1346 if (d != 0) { 1347 /* no BSSID is especially desired */ 1348 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1349 } else { 1350 ea = ether_aton(val); 1351 if (ea == NULL) { 1352 warnx("malformed BSSID: %s", val); 1353 return; 1354 } 1355 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1356 sizeof(bssid.i_bssid)); 1357 } 1358 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1359 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1360 warn("SIOCS80211BSSID"); 1361 } 1362 1363 void 1364 setifchan(const char *val, int d) 1365 { 1366 struct ieee80211chanreq channel; 1367 int chan; 1368 1369 if (d != 0) 1370 chan = IEEE80211_CHAN_ANY; 1371 else { 1372 chan = atoi(val); 1373 if (chan < 0 || chan > 0xffff) { 1374 warnx("invalid channel: %s", val); 1375 return; 1376 } 1377 } 1378 1379 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1380 channel.i_channel = (u_int16_t) chan; 1381 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1382 warn("SIOCS80211CHANNEL"); 1383 } 1384 1385 void 1386 setifnwkey(const char *val, int d) 1387 { 1388 struct ieee80211_nwkey nwkey; 1389 int i; 1390 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1391 1392 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1393 nwkey.i_defkid = 1; 1394 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1395 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1396 nwkey.i_key[i].i_keydat = keybuf[i]; 1397 } 1398 if (d != 0) { 1399 /* disable WEP encryption */ 1400 nwkey.i_wepon = 0; 1401 i = 0; 1402 } else if (strcasecmp("persist", val) == 0) { 1403 /* use all values from persistent memory */ 1404 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1405 nwkey.i_defkid = 0; 1406 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1407 nwkey.i_key[i].i_keylen = -1; 1408 } else if (strncasecmp("persist:", val, 8) == 0) { 1409 val += 8; 1410 /* program keys in persistent memory */ 1411 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1412 goto set_nwkey; 1413 } else { 1414 set_nwkey: 1415 if (isdigit(val[0]) && val[1] == ':') { 1416 /* specifying a full set of four keys */ 1417 nwkey.i_defkid = val[0] - '0'; 1418 val += 2; 1419 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1420 val = get_string(val, ",", keybuf[i], 1421 &nwkey.i_key[i].i_keylen); 1422 if (val == NULL) 1423 return; 1424 } 1425 if (*val != '\0') { 1426 warnx("SIOCS80211NWKEY: too many keys."); 1427 return; 1428 } 1429 } else { 1430 val = get_string(val, NULL, keybuf[0], 1431 &nwkey.i_key[0].i_keylen); 1432 if (val == NULL) 1433 return; 1434 i = 1; 1435 } 1436 } 1437 for (; i < IEEE80211_WEP_NKID; i++) 1438 nwkey.i_key[i].i_keylen = 0; 1439 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1440 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1441 warn("SIOCS80211NWKEY"); 1442 } 1443 1444 void 1445 setifpowersave(const char *val, int d) 1446 { 1447 struct ieee80211_power power; 1448 1449 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1450 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1451 warn("SIOCG80211POWER"); 1452 return; 1453 } 1454 1455 power.i_enabled = d; 1456 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1457 warn("SIOCS80211POWER"); 1458 } 1459 1460 void 1461 setifpowersavesleep(const char *val, int d) 1462 { 1463 struct ieee80211_power power; 1464 1465 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1466 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1467 warn("SIOCG80211POWER"); 1468 return; 1469 } 1470 1471 power.i_maxsleep = atoi(val); 1472 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1473 warn("SIOCS80211POWER"); 1474 } 1475 1476 void 1477 ieee80211_status(void) 1478 { 1479 int i, nwkey_verbose; 1480 struct ieee80211_nwid nwid; 1481 struct ieee80211_nwkey nwkey; 1482 struct ieee80211_power power; 1483 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1484 struct ieee80211_bssid bssid; 1485 struct ieee80211chanreq channel; 1486 struct ether_addr ea; 1487 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1488 1489 memset(&ifr, 0, sizeof(ifr)); 1490 ifr.ifr_data = (void *)&nwid; 1491 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1492 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1493 return; 1494 if (nwid.i_len > IEEE80211_NWID_LEN) { 1495 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1496 return; 1497 } 1498 printf("\tssid "); 1499 print_string(nwid.i_nwid, nwid.i_len); 1500 memset(&nwkey, 0, sizeof(nwkey)); 1501 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1502 /* show nwkey only when WEP is enabled */ 1503 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1504 nwkey.i_wepon == 0) { 1505 printf("\n"); 1506 goto skip_wep; 1507 } 1508 1509 printf(" nwkey "); 1510 /* try to retrieve WEP keys */ 1511 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1512 nwkey.i_key[i].i_keydat = keybuf[i]; 1513 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1514 } 1515 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1516 printf("*****"); 1517 } else { 1518 nwkey_verbose = 0; 1519 /* check to see non default key or multiple keys defined */ 1520 if (nwkey.i_defkid != 1) { 1521 nwkey_verbose = 1; 1522 } else { 1523 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1524 if (nwkey.i_key[i].i_keylen != 0) { 1525 nwkey_verbose = 1; 1526 break; 1527 } 1528 } 1529 } 1530 /* check extra ambiguity with keywords */ 1531 if (!nwkey_verbose) { 1532 if (nwkey.i_key[0].i_keylen >= 2 && 1533 isdigit(nwkey.i_key[0].i_keydat[0]) && 1534 nwkey.i_key[0].i_keydat[1] == ':') 1535 nwkey_verbose = 1; 1536 else if (nwkey.i_key[0].i_keylen >= 7 && 1537 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1538 == 0) 1539 nwkey_verbose = 1; 1540 } 1541 if (nwkey_verbose) 1542 printf("%d:", nwkey.i_defkid); 1543 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1544 if (i > 0) 1545 printf(","); 1546 if (nwkey.i_key[i].i_keylen < 0) 1547 printf("persist"); 1548 else 1549 print_string(nwkey.i_key[i].i_keydat, 1550 nwkey.i_key[i].i_keylen); 1551 if (!nwkey_verbose) 1552 break; 1553 } 1554 } 1555 printf("\n"); 1556 1557 skip_wep: 1558 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1559 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1560 goto skip_power; 1561 printf("\tpowersave "); 1562 if (power.i_enabled) 1563 printf("on (%dms sleep)", power.i_maxsleep); 1564 else 1565 printf("off"); 1566 printf("\n"); 1567 1568 skip_power: 1569 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1570 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1571 return; 1572 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1573 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1574 return; 1575 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1576 if (channel.i_channel != (u_int16_t)-1) 1577 printf("\tchan %d\n", channel.i_channel); 1578 } else { 1579 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1580 sizeof(ea.ether_addr_octet)); 1581 printf("\tbssid %s", ether_ntoa(&ea)); 1582 if (channel.i_channel != IEEE80211_CHAN_ANY) 1583 printf(" chan %d", channel.i_channel); 1584 printf("\n"); 1585 } 1586 } 1587 1588 void 1589 init_current_media(void) 1590 { 1591 struct ifmediareq ifmr; 1592 1593 /* 1594 * If we have not yet done so, grab the currently-selected 1595 * media. 1596 */ 1597 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1598 (void) memset(&ifmr, 0, sizeof(ifmr)); 1599 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1600 1601 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1602 /* 1603 * If we get E2BIG, the kernel is telling us 1604 * that there are more, so we can ignore it. 1605 */ 1606 if (errno != E2BIG) 1607 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1608 } 1609 1610 media_current = ifmr.ifm_current; 1611 } 1612 1613 /* Sanity. */ 1614 if (IFM_TYPE(media_current) == 0) 1615 errx(EXIT_FAILURE, "%s: no link type?", name); 1616 } 1617 1618 void 1619 process_media_commands(void) 1620 { 1621 1622 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1623 /* Nothing to do. */ 1624 return; 1625 } 1626 1627 /* 1628 * Media already set up, and commands sanity-checked. Set/clear 1629 * any options, and we're ready to go. 1630 */ 1631 media_current |= mediaopt_set; 1632 media_current &= ~mediaopt_clear; 1633 1634 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1635 ifr.ifr_media = media_current; 1636 1637 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1638 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1639 } 1640 1641 void 1642 setmedia(const char *val, int d) 1643 { 1644 int type, subtype, inst; 1645 1646 init_current_media(); 1647 1648 /* Only one media command may be given. */ 1649 if (actions & A_MEDIA) 1650 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1651 1652 /* Must not come after mode commands */ 1653 if (actions & A_MEDIAMODE) 1654 errx(EXIT_FAILURE, 1655 "may not issue `media' after `mode' commands"); 1656 1657 /* Must not come after mediaopt commands */ 1658 if (actions & A_MEDIAOPT) 1659 errx(EXIT_FAILURE, 1660 "may not issue `media' after `mediaopt' commands"); 1661 1662 /* 1663 * No need to check if `instance' has been issued; setmediainst() 1664 * craps out if `media' has not been specified. 1665 */ 1666 1667 type = IFM_TYPE(media_current); 1668 inst = IFM_INST(media_current); 1669 1670 /* Look up the subtype. */ 1671 subtype = get_media_subtype(type, val); 1672 1673 /* Build the new current media word. */ 1674 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1675 1676 /* Media will be set after other processing is complete. */ 1677 } 1678 1679 void 1680 setmediaopt(const char *val, int d) 1681 { 1682 1683 init_current_media(); 1684 1685 /* Can only issue `mediaopt' once. */ 1686 if (actions & A_MEDIAOPTSET) 1687 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1688 1689 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1690 if (actions & A_MEDIAINST) 1691 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1692 1693 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1694 1695 /* Media will be set after other processing is complete. */ 1696 } 1697 1698 void 1699 unsetmediaopt(const char *val, int d) 1700 { 1701 1702 init_current_media(); 1703 1704 /* Can only issue `-mediaopt' once. */ 1705 if (actions & A_MEDIAOPTCLR) 1706 errx(EXIT_FAILURE, 1707 "only one `-mediaopt' command may be issued"); 1708 1709 /* May not issue `media' and `-mediaopt'. */ 1710 if (actions & A_MEDIA) 1711 errx(EXIT_FAILURE, 1712 "may not issue both `media' and `-mediaopt'"); 1713 1714 /* 1715 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1716 * implicitly checks for A_MEDIAINST. 1717 */ 1718 1719 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1720 1721 /* Media will be set after other processing is complete. */ 1722 } 1723 1724 void 1725 setmediainst(const char *val, int d) 1726 { 1727 int type, subtype, options, inst; 1728 1729 init_current_media(); 1730 1731 /* Can only issue `instance' once. */ 1732 if (actions & A_MEDIAINST) 1733 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1734 1735 /* Must have already specified `media' */ 1736 if ((actions & A_MEDIA) == 0) 1737 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1738 1739 type = IFM_TYPE(media_current); 1740 subtype = IFM_SUBTYPE(media_current); 1741 options = IFM_OPTIONS(media_current); 1742 1743 inst = atoi(val); 1744 if (inst < 0 || inst > IFM_INST_MAX) 1745 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1746 1747 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1748 1749 /* Media will be set after other processing is complete. */ 1750 } 1751 1752 void 1753 setmediamode(const char *val, int d) 1754 { 1755 int type, subtype, options, inst, mode; 1756 1757 init_current_media(); 1758 1759 /* Can only issue `mode' once. */ 1760 if (actions & A_MEDIAMODE) 1761 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1762 1763 type = IFM_TYPE(media_current); 1764 subtype = IFM_SUBTYPE(media_current); 1765 options = IFM_OPTIONS(media_current); 1766 inst = IFM_INST(media_current); 1767 1768 if ((mode = get_media_mode(type, val)) == -1) 1769 errx(EXIT_FAILURE, "invalid media mode: %s", val); 1770 1771 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1772 1773 /* Media will be set after other processing is complete. */ 1774 } 1775 1776 struct ifmedia_description ifm_mode_descriptions[] = 1777 IFM_MODE_DESCRIPTIONS; 1778 1779 struct ifmedia_description ifm_type_descriptions[] = 1780 IFM_TYPE_DESCRIPTIONS; 1781 1782 struct ifmedia_description ifm_subtype_descriptions[] = 1783 IFM_SUBTYPE_DESCRIPTIONS; 1784 1785 struct ifmedia_description ifm_option_descriptions[] = 1786 IFM_OPTION_DESCRIPTIONS; 1787 1788 const char * 1789 get_media_type_string(int mword) 1790 { 1791 struct ifmedia_description *desc; 1792 1793 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1794 desc++) { 1795 if (IFM_TYPE(mword) == desc->ifmt_word) 1796 return (desc->ifmt_string); 1797 } 1798 return ("<unknown type>"); 1799 } 1800 1801 const char * 1802 get_media_subtype_string(int mword) 1803 { 1804 struct ifmedia_description *desc; 1805 1806 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1807 desc++) { 1808 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1809 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1810 return (desc->ifmt_string); 1811 } 1812 return ("<unknown subtype>"); 1813 } 1814 1815 int 1816 get_media_mode(int type, const char *val) 1817 { 1818 int rval; 1819 1820 rval = lookup_media_word(ifm_mode_descriptions, type, val); 1821 if (rval == -1) 1822 errx(EXIT_FAILURE, "unknown %s media mode: %s", 1823 get_media_type_string(type), val); 1824 1825 return (rval); 1826 } 1827 1828 int 1829 get_media_subtype(int type, const char *val) 1830 { 1831 int rval; 1832 1833 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1834 if (rval == -1) 1835 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1836 get_media_type_string(type), val); 1837 1838 return (rval); 1839 } 1840 1841 int 1842 get_media_options(int type, const char *val) 1843 { 1844 char *optlist, *str; 1845 int option, rval = 0; 1846 1847 /* We muck with the string, so copy it. */ 1848 optlist = strdup(val); 1849 if (optlist == NULL) 1850 err(EXIT_FAILURE, "strdup"); 1851 str = optlist; 1852 1853 /* 1854 * Look up the options in the user-provided comma-separated list. 1855 */ 1856 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1857 option = lookup_media_word(ifm_option_descriptions, type, str); 1858 if (option == -1) 1859 errx(EXIT_FAILURE, "unknown %s media option: %s", 1860 get_media_type_string(type), str); 1861 rval |= IFM_OPTIONS(option); 1862 } 1863 1864 free(optlist); 1865 return (rval); 1866 } 1867 1868 int 1869 lookup_media_word(struct ifmedia_description *desc, int type, const char *val) 1870 { 1871 1872 for (; desc->ifmt_string != NULL; desc++) { 1873 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1874 strcasecmp(desc->ifmt_string, val) == 0) 1875 return (desc->ifmt_word); 1876 } 1877 return (-1); 1878 } 1879 1880 void 1881 print_media_word(int ifmw, int print_type, int as_syntax) 1882 { 1883 struct ifmedia_description *desc; 1884 int seen_option = 0; 1885 1886 if (print_type) 1887 printf("%s ", get_media_type_string(ifmw)); 1888 printf("%s%s", as_syntax ? "media " : "", 1889 get_media_subtype_string(ifmw)); 1890 1891 /* Find mode. */ 1892 if (IFM_MODE(ifmw) != 0) { 1893 for (desc = ifm_mode_descriptions; desc->ifmt_string != NULL; 1894 desc++) { 1895 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1896 IFM_MODE(ifmw) == IFM_MODE(desc->ifmt_word)) { 1897 printf(" mode %s", desc->ifmt_string); 1898 break; 1899 } 1900 } 1901 } 1902 1903 /* Find options. */ 1904 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1905 desc++) { 1906 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1907 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1908 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1909 if (seen_option == 0) 1910 printf(" %s", as_syntax ? "mediaopt " : ""); 1911 printf("%s%s", seen_option ? "," : "", 1912 desc->ifmt_string); 1913 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1914 } 1915 } 1916 if (IFM_INST(ifmw) != 0) 1917 printf(" instance %d", IFM_INST(ifmw)); 1918 } 1919 1920 int 1921 carrier(void) 1922 { 1923 struct ifmediareq ifmr; 1924 1925 (void) memset(&ifmr, 0, sizeof(ifmr)); 1926 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1927 1928 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1929 /* 1930 * Interface doesn't support SIOC{G,S}IFMEDIA; 1931 * assume ok. 1932 */ 1933 return 0; 1934 } 1935 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1936 /* 1937 * Interface doesn't report media-valid status. 1938 * assume ok. 1939 */ 1940 return 0; 1941 } 1942 /* otherwise, return ok for active, not-ok if not active. */ 1943 return !(ifmr.ifm_status & IFM_ACTIVE); 1944 } 1945 1946 1947 #define IFFBITS \ 1948 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1949 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1950 1951 #define IFCAPBITS \ 1952 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1953 1954 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1955 1956 const struct ifmedia_status_description ifm_status_descriptions[] = 1957 IFM_STATUS_DESCRIPTIONS; 1958 1959 /* 1960 * Print the status of the interface. If an address family was 1961 * specified, show it and it only; otherwise, show them all. 1962 */ 1963 void 1964 status(const struct sockaddr_dl *sdl) 1965 { 1966 struct afswtch *p = afp; 1967 struct ifmediareq ifmr; 1968 struct ifdatareq ifdr; 1969 int *media_list, i; 1970 char hbuf[NI_MAXHOST]; 1971 char fbuf[BUFSIZ]; 1972 1973 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1974 printf("%s: flags=%s", name, &fbuf[2]); 1975 if (metric) 1976 printf(" metric %lu", metric); 1977 if (mtu) 1978 printf(" mtu %lu", mtu); 1979 putchar('\n'); 1980 1981 if (g_ifcr.ifcr_capabilities) { 1982 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1983 g_ifcr.ifcr_capabilities); 1984 printf("\tcapabilities=%s\n", &fbuf[2]); 1985 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1986 g_ifcr.ifcr_capenable); 1987 printf("\tenabled=%s\n", &fbuf[2]); 1988 } 1989 1990 ieee80211_status(); 1991 vlan_status(); 1992 tunnel_status(); 1993 1994 if (sdl != NULL && 1995 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1996 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1997 hbuf[0] != '\0') 1998 printf("\taddress: %s\n", hbuf); 1999 2000 (void) memset(&ifmr, 0, sizeof(ifmr)); 2001 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2002 2003 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 2004 /* 2005 * Interface doesn't support SIOC{G,S}IFMEDIA. 2006 */ 2007 goto iface_stats; 2008 } 2009 2010 if (ifmr.ifm_count == 0) { 2011 warnx("%s: no media types?", name); 2012 goto iface_stats; 2013 } 2014 2015 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2016 if (media_list == NULL) 2017 err(EXIT_FAILURE, "malloc"); 2018 ifmr.ifm_ulist = media_list; 2019 2020 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 2021 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2022 2023 printf("\tmedia: "); 2024 print_media_word(ifmr.ifm_current, 1, 0); 2025 if (ifmr.ifm_active != ifmr.ifm_current) { 2026 putchar(' '); 2027 putchar('('); 2028 print_media_word(ifmr.ifm_active, 0, 0); 2029 putchar(')'); 2030 } 2031 putchar('\n'); 2032 2033 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2034 const struct ifmedia_status_description *ifms; 2035 int bitno, found = 0; 2036 2037 printf("\tstatus: "); 2038 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2039 for (ifms = ifm_status_descriptions; 2040 ifms->ifms_valid != 0; ifms++) { 2041 if (ifms->ifms_type != 2042 IFM_TYPE(ifmr.ifm_current) || 2043 ifms->ifms_valid != 2044 ifm_status_valid_list[bitno]) 2045 continue; 2046 printf("%s%s", found ? ", " : "", 2047 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2048 found = 1; 2049 2050 /* 2051 * For each valid indicator bit, there's 2052 * only one entry for each media type, so 2053 * terminate the inner loop now. 2054 */ 2055 break; 2056 } 2057 } 2058 2059 if (found == 0) 2060 printf("unknown"); 2061 putchar('\n'); 2062 } 2063 2064 if (mflag) { 2065 int type, printed_type; 2066 2067 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2068 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2069 if (IFM_TYPE(media_list[i]) == type) { 2070 if (printed_type == 0) { 2071 printf("\tsupported %s media:\n", 2072 get_media_type_string(type)); 2073 printed_type = 1; 2074 } 2075 printf("\t\t"); 2076 print_media_word(media_list[i], 0, 1); 2077 printf("\n"); 2078 } 2079 } 2080 } 2081 } 2082 2083 free(media_list); 2084 2085 iface_stats: 2086 if (!vflag && !zflag) 2087 goto proto_status; 2088 2089 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2090 2091 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 2092 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2093 } else { 2094 struct if_data * const ifi = &ifdr.ifdr_data; 2095 #define PLURAL(n) ((n) == 1 ? "" : "s") 2096 printf("\tinput: %llu packet%s, %llu byte%s", 2097 (unsigned long long) ifi->ifi_ipackets, 2098 PLURAL(ifi->ifi_ipackets), 2099 (unsigned long long) ifi->ifi_ibytes, 2100 PLURAL(ifi->ifi_ibytes)); 2101 if (ifi->ifi_imcasts) 2102 printf(", %llu multicast%s", 2103 (unsigned long long) ifi->ifi_imcasts, 2104 PLURAL(ifi->ifi_imcasts)); 2105 if (ifi->ifi_ierrors) 2106 printf(", %llu error%s", 2107 (unsigned long long) ifi->ifi_ierrors, 2108 PLURAL(ifi->ifi_ierrors)); 2109 if (ifi->ifi_iqdrops) 2110 printf(", %llu queue drop%s", 2111 (unsigned long long) ifi->ifi_iqdrops, 2112 PLURAL(ifi->ifi_iqdrops)); 2113 if (ifi->ifi_noproto) 2114 printf(", %llu unknown protocol", 2115 (unsigned long long) ifi->ifi_noproto); 2116 printf("\n\toutput: %llu packet%s, %llu byte%s", 2117 (unsigned long long) ifi->ifi_opackets, 2118 PLURAL(ifi->ifi_opackets), 2119 (unsigned long long) ifi->ifi_obytes, 2120 PLURAL(ifi->ifi_obytes)); 2121 if (ifi->ifi_omcasts) 2122 printf(", %llu multicast%s", 2123 (unsigned long long) ifi->ifi_omcasts, 2124 PLURAL(ifi->ifi_omcasts)); 2125 if (ifi->ifi_oerrors) 2126 printf(", %llu error%s", 2127 (unsigned long long) ifi->ifi_oerrors, 2128 PLURAL(ifi->ifi_oerrors)); 2129 if (ifi->ifi_collisions) 2130 printf(", %llu collision%s", 2131 (unsigned long long) ifi->ifi_collisions, 2132 PLURAL(ifi->ifi_collisions)); 2133 printf("\n"); 2134 #undef PLURAL 2135 } 2136 2137 proto_status: 2138 if ((p = afp) != NULL) { 2139 (*p->af_status)(1); 2140 } else for (p = afs; p->af_name; p++) { 2141 ifr.ifr_addr.sa_family = p->af_af; 2142 (*p->af_status)(0); 2143 } 2144 } 2145 2146 void 2147 tunnel_status(void) 2148 { 2149 char psrcaddr[NI_MAXHOST]; 2150 char pdstaddr[NI_MAXHOST]; 2151 const char *ver = ""; 2152 #ifdef NI_WITHSCOPEID 2153 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2154 #else 2155 const int niflag = NI_NUMERICHOST; 2156 #endif 2157 struct if_laddrreq req; 2158 2159 psrcaddr[0] = pdstaddr[0] = '\0'; 2160 2161 memset(&req, 0, sizeof(req)); 2162 strncpy(req.iflr_name, name, IFNAMSIZ); 2163 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2164 return; 2165 #ifdef INET6 2166 if (req.addr.ss_family == AF_INET6) 2167 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2168 #endif 2169 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2170 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2171 #ifdef INET6 2172 if (req.addr.ss_family == AF_INET6) 2173 ver = "6"; 2174 #endif 2175 2176 #ifdef INET6 2177 if (req.dstaddr.ss_family == AF_INET6) 2178 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2179 #endif 2180 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2181 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2182 2183 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2184 } 2185 2186 void 2187 vlan_status(void) 2188 { 2189 struct vlanreq vlr; 2190 2191 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2192 !isdigit(ifr.ifr_name[4])) 2193 return; 2194 2195 memset(&vlr, 0, sizeof(vlr)); 2196 ifr.ifr_data = (void *)&vlr; 2197 2198 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2199 return; 2200 2201 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2202 printf("\tvlan: %d parent: %s\n", 2203 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2204 "<none>" : vlr.vlr_parent); 2205 } 2206 2207 void 2208 in_alias(struct ifreq *creq) 2209 { 2210 struct sockaddr_in *iasin; 2211 int alias; 2212 2213 if (lflag) 2214 return; 2215 2216 alias = 1; 2217 2218 /* Get the non-alias address for this interface. */ 2219 getsock(AF_INET); 2220 if (s < 0) { 2221 if (errno == EPROTONOSUPPORT) 2222 return; 2223 err(EXIT_FAILURE, "socket"); 2224 } 2225 (void) memset(&ifr, 0, sizeof(ifr)); 2226 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2227 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2228 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2229 return; 2230 } else 2231 warn("SIOCGIFADDR"); 2232 } 2233 /* If creq and ifr are the same address, this is not an alias. */ 2234 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2235 sizeof(creq->ifr_addr)) == 0) 2236 alias = 0; 2237 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2238 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2239 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2240 sizeof(in_addreq.ifra_addr)); 2241 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2242 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2243 return; 2244 } else 2245 warn("SIOCGIFALIAS"); 2246 } 2247 2248 iasin = &in_addreq.ifra_addr; 2249 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2250 2251 if (flags & IFF_POINTOPOINT) { 2252 iasin = &in_addreq.ifra_dstaddr; 2253 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2254 } 2255 2256 iasin = &in_addreq.ifra_mask; 2257 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2258 2259 if (flags & IFF_BROADCAST) { 2260 iasin = &in_addreq.ifra_broadaddr; 2261 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2262 } 2263 printf("\n"); 2264 } 2265 2266 void 2267 in_status(int force) 2268 { 2269 struct ifaddrs *ifap, *ifa; 2270 struct ifreq isifr; 2271 2272 if (getifaddrs(&ifap) != 0) 2273 err(EXIT_FAILURE, "getifaddrs"); 2274 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2275 if (strcmp(name, ifa->ifa_name) != 0) 2276 continue; 2277 if (ifa->ifa_addr->sa_family != AF_INET) 2278 continue; 2279 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2280 continue; 2281 2282 memset(&isifr, 0, sizeof(isifr)); 2283 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2284 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2285 in_alias(&isifr); 2286 } 2287 freeifaddrs(ifap); 2288 } 2289 2290 void 2291 setifprefixlen(const char *addr, int d) 2292 { 2293 if (*afp->af_getprefix) 2294 (*afp->af_getprefix)(addr, MASK); 2295 explicit_prefix = 1; 2296 } 2297 2298 #ifdef INET6 2299 void 2300 in6_fillscopeid(struct sockaddr_in6 *sin6) 2301 { 2302 #if defined(__KAME__) && defined(KAME_SCOPEID) 2303 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2304 sin6->sin6_scope_id = 2305 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2306 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2307 } 2308 #endif 2309 } 2310 2311 /* XXX not really an alias */ 2312 void 2313 in6_alias(struct in6_ifreq *creq) 2314 { 2315 struct sockaddr_in6 *sin6; 2316 char hbuf[NI_MAXHOST]; 2317 u_int32_t scopeid; 2318 #ifdef NI_WITHSCOPEID 2319 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2320 #else 2321 const int niflag = NI_NUMERICHOST; 2322 #endif 2323 2324 /* Get the non-alias address for this interface. */ 2325 getsock(AF_INET6); 2326 if (s < 0) { 2327 if (errno == EPROTONOSUPPORT) 2328 return; 2329 err(EXIT_FAILURE, "socket"); 2330 } 2331 2332 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2333 2334 in6_fillscopeid(sin6); 2335 scopeid = sin6->sin6_scope_id; 2336 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2337 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2338 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2339 printf("\tinet6 %s", hbuf); 2340 2341 if (flags & IFF_POINTOPOINT) { 2342 (void) memset(&ifr6, 0, sizeof(ifr6)); 2343 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2344 ifr6.ifr_addr = creq->ifr_addr; 2345 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2346 if (errno != EADDRNOTAVAIL) 2347 warn("SIOCGIFDSTADDR_IN6"); 2348 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2349 ifr6.ifr_addr.sin6_family = AF_INET6; 2350 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2351 } 2352 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2353 in6_fillscopeid(sin6); 2354 hbuf[0] = '\0'; 2355 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2356 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2357 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2358 printf(" -> %s", hbuf); 2359 } 2360 2361 (void) memset(&ifr6, 0, sizeof(ifr6)); 2362 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2363 ifr6.ifr_addr = creq->ifr_addr; 2364 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2365 if (errno != EADDRNOTAVAIL) 2366 warn("SIOCGIFNETMASK_IN6"); 2367 } else { 2368 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2369 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2370 sizeof(struct in6_addr))); 2371 } 2372 2373 (void) memset(&ifr6, 0, sizeof(ifr6)); 2374 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2375 ifr6.ifr_addr = creq->ifr_addr; 2376 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2377 if (errno != EADDRNOTAVAIL) 2378 warn("SIOCGIFAFLAG_IN6"); 2379 } else { 2380 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2381 printf(" anycast"); 2382 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2383 printf(" tentative"); 2384 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2385 printf(" duplicated"); 2386 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2387 printf(" detached"); 2388 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2389 printf(" deprecated"); 2390 } 2391 2392 if (scopeid) 2393 printf(" scopeid 0x%x", scopeid); 2394 2395 if (Lflag) { 2396 struct in6_addrlifetime *lifetime; 2397 (void) memset(&ifr6, 0, sizeof(ifr6)); 2398 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2399 ifr6.ifr_addr = creq->ifr_addr; 2400 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2401 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2402 if (errno != EADDRNOTAVAIL) 2403 warn("SIOCGIFALIFETIME_IN6"); 2404 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2405 time_t t = time(NULL); 2406 printf(" pltime "); 2407 if (lifetime->ia6t_preferred) { 2408 printf("%s", lifetime->ia6t_preferred < t 2409 ? "0" 2410 : sec2str(lifetime->ia6t_preferred - t)); 2411 } else 2412 printf("infty"); 2413 2414 printf(" vltime "); 2415 if (lifetime->ia6t_expire) { 2416 printf("%s", lifetime->ia6t_expire < t 2417 ? "0" 2418 : sec2str(lifetime->ia6t_expire - t)); 2419 } else 2420 printf("infty"); 2421 } 2422 } 2423 2424 printf("\n"); 2425 } 2426 2427 void 2428 in6_status(int force) 2429 { 2430 struct ifaddrs *ifap, *ifa; 2431 struct in6_ifreq isifr; 2432 2433 if (getifaddrs(&ifap) != 0) 2434 err(EXIT_FAILURE, "getifaddrs"); 2435 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2436 if (strcmp(name, ifa->ifa_name) != 0) 2437 continue; 2438 if (ifa->ifa_addr->sa_family != AF_INET6) 2439 continue; 2440 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2441 continue; 2442 2443 memset(&isifr, 0, sizeof(isifr)); 2444 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2445 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2446 in6_alias(&isifr); 2447 } 2448 freeifaddrs(ifap); 2449 } 2450 #endif /*INET6*/ 2451 2452 #ifndef INET_ONLY 2453 2454 void 2455 at_status(int force) 2456 { 2457 struct sockaddr_at *sat, null_sat; 2458 struct netrange *nr; 2459 2460 getsock(AF_APPLETALK); 2461 if (s < 0) { 2462 if (errno == EPROTONOSUPPORT) 2463 return; 2464 err(EXIT_FAILURE, "socket"); 2465 } 2466 (void) memset(&ifr, 0, sizeof(ifr)); 2467 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2468 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2469 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2470 if (!force) 2471 return; 2472 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2473 } else 2474 warn("SIOCGIFADDR"); 2475 } 2476 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2477 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2478 2479 (void) memset(&null_sat, 0, sizeof(null_sat)); 2480 2481 nr = (struct netrange *) &sat->sat_zero; 2482 printf("\tatalk %d.%d range %d-%d phase %d", 2483 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2484 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2485 if (flags & IFF_POINTOPOINT) { 2486 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2487 if (errno == EADDRNOTAVAIL) 2488 (void) memset(&ifr.ifr_addr, 0, 2489 sizeof(ifr.ifr_addr)); 2490 else 2491 warn("SIOCGIFDSTADDR"); 2492 } 2493 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2494 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2495 if (!sat) 2496 sat = &null_sat; 2497 printf("--> %d.%d", 2498 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2499 } 2500 if (flags & IFF_BROADCAST) { 2501 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2502 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2503 if (sat) 2504 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2505 sat->sat_addr.s_node); 2506 } 2507 putchar('\n'); 2508 } 2509 2510 void 2511 xns_status(int force) 2512 { 2513 struct sockaddr_ns *sns; 2514 2515 getsock(AF_NS); 2516 if (s < 0) { 2517 if (errno == EPROTONOSUPPORT) 2518 return; 2519 err(EXIT_FAILURE, "socket"); 2520 } 2521 (void) memset(&ifr, 0, sizeof(ifr)); 2522 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2523 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2524 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2525 if (!force) 2526 return; 2527 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2528 } else 2529 warn("SIOCGIFADDR"); 2530 } 2531 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2532 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2533 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2534 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2535 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2536 if (errno == EADDRNOTAVAIL) 2537 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2538 else 2539 warn("SIOCGIFDSTADDR"); 2540 } 2541 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2542 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2543 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2544 } 2545 putchar('\n'); 2546 } 2547 2548 void 2549 iso_status(int force) 2550 { 2551 struct sockaddr_iso *siso; 2552 struct iso_ifreq isoifr; 2553 2554 getsock(AF_ISO); 2555 if (s < 0) { 2556 if (errno == EPROTONOSUPPORT) 2557 return; 2558 err(EXIT_FAILURE, "socket"); 2559 } 2560 (void) memset(&isoifr, 0, sizeof(isoifr)); 2561 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2562 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2563 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2564 if (!force) 2565 return; 2566 (void) memset(&isoifr.ifr_Addr, 0, 2567 sizeof(isoifr.ifr_Addr)); 2568 } else 2569 warn("SIOCGIFADDR_ISO"); 2570 } 2571 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2572 siso = &isoifr.ifr_Addr; 2573 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2574 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2575 if (errno == EADDRNOTAVAIL) 2576 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2577 else 2578 warn("SIOCGIFNETMASK_ISO"); 2579 } else { 2580 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2581 siso->siso_addr.isoa_len = siso->siso_len 2582 - offsetof(struct sockaddr_iso, siso_addr); 2583 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2584 } 2585 if (flags & IFF_POINTOPOINT) { 2586 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2587 if (errno == EADDRNOTAVAIL) 2588 memset(&isoifr.ifr_Addr, 0, 2589 sizeof(isoifr.ifr_Addr)); 2590 else 2591 warn("SIOCGIFDSTADDR_ISO"); 2592 } 2593 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2594 siso = &isoifr.ifr_Addr; 2595 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2596 } 2597 putchar('\n'); 2598 } 2599 2600 #endif /* INET_ONLY */ 2601 2602 #define SIN(x) ((struct sockaddr_in *) &(x)) 2603 struct sockaddr_in *sintab[] = { 2604 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2605 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2606 2607 void 2608 in_getaddr(const char *str, int which) 2609 { 2610 struct sockaddr_in *gasin = sintab[which]; 2611 struct hostent *hp; 2612 struct netent *np; 2613 2614 gasin->sin_len = sizeof(*gasin); 2615 if (which != MASK) 2616 gasin->sin_family = AF_INET; 2617 2618 if (which == ADDR) { 2619 char *p = NULL; 2620 if ((p = strrchr(str, '/')) != NULL) { 2621 *p = '\0'; 2622 in_getprefix(p + 1, MASK); 2623 } 2624 } 2625 2626 if (inet_aton(str, &gasin->sin_addr) == 0) { 2627 if ((hp = gethostbyname(str)) != NULL) 2628 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2629 else if ((np = getnetbyname(str)) != NULL) 2630 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2631 else 2632 errx(EXIT_FAILURE, "%s: bad value", str); 2633 } 2634 } 2635 2636 void 2637 in_getprefix(const char *plen, int which) 2638 { 2639 register struct sockaddr_in *igsin = sintab[which]; 2640 register u_char *cp; 2641 int len = strtol(plen, (char **)NULL, 10); 2642 2643 if ((len < 0) || (len > 32)) 2644 errx(EXIT_FAILURE, "%s: bad value", plen); 2645 igsin->sin_len = sizeof(*igsin); 2646 if (which != MASK) 2647 igsin->sin_family = AF_INET; 2648 if ((len == 0) || (len == 32)) { 2649 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2650 return; 2651 } 2652 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2653 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2654 *cp++ = 0xff; 2655 if (len) 2656 *cp = 0xff << (8 - len); 2657 } 2658 2659 #ifdef INET6 2660 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2661 struct sockaddr_in6 *sin6tab[] = { 2662 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2663 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2664 2665 void 2666 in6_getaddr(const char *str, int which) 2667 { 2668 #if defined(__KAME__) && defined(KAME_SCOPEID) 2669 struct sockaddr_in6 *sin6 = sin6tab[which]; 2670 struct addrinfo hints, *res; 2671 int error; 2672 char *slash = NULL; 2673 2674 if (which == ADDR) { 2675 if ((slash = strrchr(str, '/')) != NULL) 2676 *slash = '\0'; 2677 } 2678 2679 memset(&hints, 0, sizeof(hints)); 2680 hints.ai_family = AF_INET6; 2681 hints.ai_socktype = SOCK_DGRAM; 2682 #if 0 /* in_getaddr() allows FQDN */ 2683 hints.ai_flags = AI_NUMERICHOST; 2684 #endif 2685 error = getaddrinfo(str, "0", &hints, &res); 2686 if (error && slash) { 2687 /* try again treating the '/' as part of the name */ 2688 *slash = '/'; 2689 slash = NULL; 2690 error = getaddrinfo(str, "0", &hints, &res); 2691 } 2692 if (error) 2693 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2694 if (res->ai_next) 2695 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2696 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2697 errx(EXIT_FAILURE, "%s: bad value", str); 2698 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2699 freeaddrinfo(res); 2700 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2701 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2702 htons(sin6->sin6_scope_id); 2703 sin6->sin6_scope_id = 0; 2704 } 2705 if (slash) { 2706 in6_getprefix(slash + 1, MASK); 2707 explicit_prefix = 1; 2708 } 2709 #else 2710 struct sockaddr_in6 *gasin = sin6tab[which]; 2711 2712 gasin->sin6_len = sizeof(*gasin); 2713 if (which != MASK) 2714 gasin->sin6_family = AF_INET6; 2715 2716 if (which == ADDR) { 2717 char *p = NULL; 2718 if((p = strrchr(str, '/')) != NULL) { 2719 *p = '\0'; 2720 in6_getprefix(p + 1, MASK); 2721 explicit_prefix = 1; 2722 } 2723 } 2724 2725 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2726 errx(EXIT_FAILURE, "%s: bad value", str); 2727 #endif 2728 } 2729 2730 void 2731 in6_getprefix(const char *plen, int which) 2732 { 2733 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2734 register u_char *cp; 2735 int len = strtol(plen, (char **)NULL, 10); 2736 2737 if ((len < 0) || (len > 128)) 2738 errx(EXIT_FAILURE, "%s: bad value", plen); 2739 gpsin->sin6_len = sizeof(*gpsin); 2740 if (which != MASK) 2741 gpsin->sin6_family = AF_INET6; 2742 if ((len == 0) || (len == 128)) { 2743 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2744 return; 2745 } 2746 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2747 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2748 *cp++ = 0xff; 2749 if (len) 2750 *cp = 0xff << (8 - len); 2751 } 2752 2753 int 2754 prefix(void *val, int size) 2755 { 2756 register u_char *pname = (u_char *)val; 2757 register int byte, bit, plen = 0; 2758 2759 for (byte = 0; byte < size; byte++, plen += 8) 2760 if (pname[byte] != 0xff) 2761 break; 2762 if (byte == size) 2763 return (plen); 2764 for (bit = 7; bit != 0; bit--, plen++) 2765 if (!(pname[byte] & (1 << bit))) 2766 break; 2767 for (; bit != 0; bit--) 2768 if (pname[byte] & (1 << bit)) 2769 return(0); 2770 byte++; 2771 for (; byte < size; byte++) 2772 if (pname[byte]) 2773 return(0); 2774 return (plen); 2775 } 2776 #endif /*INET6*/ 2777 2778 #ifndef INET_ONLY 2779 void 2780 at_getaddr(const char *addr, int which) 2781 { 2782 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2783 u_int net, node; 2784 2785 sat->sat_family = AF_APPLETALK; 2786 sat->sat_len = sizeof(*sat); 2787 if (which == MASK) 2788 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2789 if (sscanf(addr, "%u.%u", &net, &node) != 2 2790 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2791 errx(EXIT_FAILURE, "%s: illegal address", addr); 2792 sat->sat_addr.s_net = htons(net); 2793 sat->sat_addr.s_node = node; 2794 } 2795 2796 void 2797 setatrange(const char *range, int d) 2798 { 2799 u_short first = 123, last = 123; 2800 2801 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2802 || first == 0 /* || first > 0xffff */ 2803 || last == 0 /* || last > 0xffff */ || first > last) 2804 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2805 first, last); 2806 at_nr.nr_firstnet = htons(first); 2807 at_nr.nr_lastnet = htons(last); 2808 } 2809 2810 void 2811 setatphase(const char *phase, int d) 2812 { 2813 if (!strcmp(phase, "1")) 2814 at_nr.nr_phase = 1; 2815 else if (!strcmp(phase, "2")) 2816 at_nr.nr_phase = 2; 2817 else 2818 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2819 } 2820 2821 void 2822 checkatrange(struct sockaddr_at *sat) 2823 { 2824 if (at_nr.nr_phase == 0) 2825 at_nr.nr_phase = 2; /* Default phase 2 */ 2826 if (at_nr.nr_firstnet == 0) 2827 at_nr.nr_firstnet = /* Default range of one */ 2828 at_nr.nr_lastnet = sat->sat_addr.s_net; 2829 printf("\tatalk %d.%d range %d-%d phase %d\n", 2830 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2831 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2832 if ((u_short) ntohs(at_nr.nr_firstnet) > 2833 (u_short) ntohs(sat->sat_addr.s_net) 2834 || (u_short) ntohs(at_nr.nr_lastnet) < 2835 (u_short) ntohs(sat->sat_addr.s_net)) 2836 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2837 *((struct netrange *) &sat->sat_zero) = at_nr; 2838 } 2839 2840 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2841 struct sockaddr_ns *snstab[] = { 2842 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2843 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2844 2845 void 2846 xns_getaddr(const char *addr, int which) 2847 { 2848 struct sockaddr_ns *sns = snstab[which]; 2849 2850 sns->sns_family = AF_NS; 2851 sns->sns_len = sizeof(*sns); 2852 sns->sns_addr = ns_addr(addr); 2853 if (which == MASK) 2854 puts("Attempt to set XNS netmask will be ineffectual"); 2855 } 2856 2857 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2858 struct sockaddr_iso *sisotab[] = { 2859 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2860 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2861 2862 void 2863 iso_getaddr(const char *addr, int which) 2864 { 2865 struct sockaddr_iso *siso = sisotab[which]; 2866 siso->siso_addr = *iso_addr(addr); 2867 2868 if (which == MASK) { 2869 siso->siso_len = TSEL(siso) - (char *)(siso); 2870 siso->siso_nlen = 0; 2871 } else { 2872 siso->siso_len = sizeof(*siso); 2873 siso->siso_family = AF_ISO; 2874 } 2875 } 2876 2877 void 2878 setsnpaoffset(const char *val, int d) 2879 { 2880 iso_addreq.ifra_snpaoffset = atoi(val); 2881 } 2882 2883 void 2884 setnsellength(const char *val, int d) 2885 { 2886 nsellength = atoi(val); 2887 if (nsellength < 0) 2888 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2889 if (afp == 0 || afp->af_af != AF_ISO) 2890 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2891 } 2892 2893 void 2894 fixnsel(struct sockaddr_iso *siso) 2895 { 2896 if (siso->siso_family == 0) 2897 return; 2898 siso->siso_tlen = nsellength; 2899 } 2900 2901 void 2902 adjust_nsellength(void) 2903 { 2904 fixnsel(sisotab[RIDADDR]); 2905 fixnsel(sisotab[ADDR]); 2906 fixnsel(sisotab[DSTADDR]); 2907 } 2908 2909 #endif /* INET_ONLY */ 2910 2911 void 2912 usage(void) 2913 { 2914 const char *progname = getprogname(); 2915 2916 fprintf(stderr, 2917 "usage: %s [-m] [-v] [-z] " 2918 #ifdef INET6 2919 "[-L] " 2920 #endif 2921 "interface\n" 2922 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2923 "\t\t[ alias | -alias ] ]\n" 2924 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2925 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2926 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2927 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2928 "\t[ arp | -arp ]\n" 2929 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2930 "[ instance minst ]\n" 2931 "\t[ vlan n vlanif i ]\n" 2932 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2933 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2934 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2935 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2936 " %s -l [-b] [-d] [-u] [-s]\n" 2937 " %s -C\n" 2938 " %s interface create\n" 2939 " %s interface destroy\n", 2940 progname, progname, progname, progname, progname, progname); 2941 exit(1); 2942 } 2943 2944 #ifdef INET6 2945 char * 2946 sec2str(total) 2947 time_t total; 2948 { 2949 static char result[256]; 2950 int days, hours, mins, secs; 2951 int first = 1; 2952 char *p = result; 2953 char *end = &result[sizeof(result)]; 2954 int n; 2955 2956 if (0) { /*XXX*/ 2957 days = total / 3600 / 24; 2958 hours = (total / 3600) % 24; 2959 mins = (total / 60) % 60; 2960 secs = total % 60; 2961 2962 if (days) { 2963 first = 0; 2964 n = snprintf(p, end - p, "%dd", days); 2965 if (n < 0 || n >= end - p) 2966 return(result); 2967 p += n; 2968 } 2969 if (!first || hours) { 2970 first = 0; 2971 n = snprintf(p, end - p, "%dh", hours); 2972 if (n < 0 || n >= end - p) 2973 return(result); 2974 p += n; 2975 } 2976 if (!first || mins) { 2977 first = 0; 2978 n = snprintf(p, end - p, "%dm", mins); 2979 if (n < 0 || n >= end - p) 2980 return(result); 2981 p += n; 2982 } 2983 snprintf(p, end - p, "%ds", secs); 2984 } else 2985 snprintf(p, end - p, "%lu", (u_long)total); 2986 2987 return(result); 2988 } 2989 #endif 2990
Indexes created Mon Sep 29 21:09:56 GMT 2025