ifconfig.c revision 1.149
1 /* $NetBSD: ifconfig.c,v 1.149 2004/12/20 23:04:55 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/cdefs.h> 70 #ifndef lint 71 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73 #endif /* not lint */ 74 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.149 2004/12/20 23:04:55 dyoung Exp $"); 80 #endif 81 #endif /* not lint */ 82 83 #include <sys/param.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 87 #include <net/if.h> 88 #include <net/if_dl.h> 89 #include <net/if_media.h> 90 #include <net/if_ether.h> 91 #include <net80211/ieee80211.h> 92 #include <net80211/ieee80211_ioctl.h> 93 #include <net/if_vlanvar.h> 94 #include <netinet/in.h> 95 #include <netinet/in_var.h> 96 #ifdef INET6 97 #include <netinet6/nd6.h> 98 #endif 99 #include <arpa/inet.h> 100 101 #include <netatalk/at.h> 102 103 #define NSIP 104 #include <netns/ns.h> 105 #include <netns/ns_if.h> 106 #include <netdb.h> 107 108 #define EON 109 #include <netiso/iso.h> 110 #include <netiso/iso_var.h> 111 #include <sys/protosw.h> 112 113 #include <ctype.h> 114 #include <err.h> 115 #include <errno.h> 116 #include <stddef.h> 117 #include <stdio.h> 118 #include <stdlib.h> 119 #include <string.h> 120 #include <unistd.h> 121 #include <ifaddrs.h> 122 #include <util.h> 123 124 struct ifreq ifr, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 struct in_aliasreq in_addreq; 127 #ifdef INET6 128 struct in6_ifreq ifr6; 129 struct in6_ifreq in6_ridreq; 130 struct in6_aliasreq in6_addreq; 131 #endif 132 struct iso_ifreq iso_ridreq; 133 struct iso_aliasreq iso_addreq; 134 struct sockaddr_in netmask; 135 struct netrange at_nr; /* AppleTalk net range */ 136 137 char name[30]; 138 u_short flags; 139 int setaddr, setipdst, doalias; 140 u_long metric, mtu; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int 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 void print_media_word(int, const char *); 336 void process_media_commands(void); 337 void init_current_media(void); 338 339 /* 340 * XNS support liberally adapted from code written at the University of 341 * Maryland principally by James O'Toole and Chris Torek. 342 */ 343 void in_alias(struct ifreq *); 344 void in_status(int); 345 void in_getaddr(const char *, int); 346 void in_getprefix(const char *, int); 347 #ifdef INET6 348 void in6_fillscopeid(struct sockaddr_in6 *sin6); 349 void in6_alias(struct in6_ifreq *); 350 void in6_status(int); 351 void in6_getaddr(const char *, int); 352 void in6_getprefix(const char *, int); 353 #endif 354 void at_status(int); 355 void at_getaddr(const char *, int); 356 void xns_status(int); 357 void xns_getaddr(const char *, int); 358 void iso_status(int); 359 void iso_getaddr(const char *, int); 360 361 void ieee80211_statistics(void); 362 void ieee80211_status(void); 363 void tunnel_status(void); 364 void vlan_status(void); 365 366 /* Known address families */ 367 struct afswtch { 368 const char *af_name; 369 short af_af; 370 void (*af_status)(int); 371 void (*af_getaddr)(const char *, int); 372 void (*af_getprefix)(const char *, int); 373 u_long af_difaddr; 374 u_long af_aifaddr; 375 u_long af_gifaddr; 376 void *af_ridreq; 377 void *af_addreq; 378 } afs[] = { 379 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 380 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 381 #ifdef INET6 382 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 383 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 384 /* 385 * Deleting the first address before setting new one is 386 * not prefered way in this protocol. 387 */ 388 0, 389 &in6_ridreq, &in6_addreq }, 390 #endif 391 #ifndef INET_ONLY /* small version, for boot media */ 392 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 393 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 394 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 395 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 396 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 397 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 398 &iso_ridreq, &iso_addreq }, 399 #endif /* INET_ONLY */ 400 { 0, 0, 0, 0 } 401 }; 402 403 struct afswtch *afp; /*the address family being set or asked about*/ 404 405 struct afswtch *lookup_af(const char *); 406 407 int 408 main(int argc, char *argv[]) 409 { 410 int ch; 411 412 /* Parse command-line options */ 413 aflag = mflag = vflag = zflag = 0; 414 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 415 #ifdef INET6 416 "L" 417 #endif 418 )) != -1) { 419 switch (ch) { 420 case 'A': 421 warnx("-A is deprecated"); 422 break; 423 424 case 'a': 425 aflag = 1; 426 break; 427 428 case 'b': 429 bflag = 1; 430 break; 431 432 case 'C': 433 Cflag = 1; 434 break; 435 436 case 'd': 437 dflag = 1; 438 break; 439 440 #ifdef INET6 441 case 'L': 442 Lflag = 1; 443 break; 444 #endif 445 446 case 'l': 447 lflag = 1; 448 break; 449 450 case 'm': 451 mflag = 1; 452 break; 453 454 case 's': 455 sflag = 1; 456 break; 457 458 case 'u': 459 uflag = 1; 460 break; 461 462 case 'v': 463 vflag = 1; 464 break; 465 466 case 'z': 467 zflag = 1; 468 break; 469 470 471 default: 472 usage(); 473 /* NOTREACHED */ 474 } 475 } 476 argc -= optind; 477 argv += optind; 478 479 /* 480 * -l means "list all interfaces", and is mutally exclusive with 481 * all other flags/commands. 482 * 483 * -C means "list all names of cloners", and it mutually exclusive 484 * with all other flags/commands. 485 * 486 * -a means "print status of all interfaces". 487 */ 488 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 489 usage(); 490 #ifdef INET6 491 if ((lflag || Cflag) && Lflag) 492 usage(); 493 #endif 494 if (lflag && Cflag) 495 usage(); 496 if (Cflag) { 497 if (argc) 498 usage(); 499 list_cloners(); 500 exit(0); 501 } 502 if (aflag || lflag) { 503 if (argc > 1) 504 usage(); 505 else if (argc == 1) { 506 afp = lookup_af(argv[0]); 507 if (afp == NULL) 508 usage(); 509 } 510 if (afp) 511 af = ifr.ifr_addr.sa_family = afp->af_af; 512 else 513 af = ifr.ifr_addr.sa_family = afs[0].af_af; 514 printall(NULL); 515 exit(0); 516 } 517 518 /* Make sure there's an interface name. */ 519 if (argc < 1) 520 usage(); 521 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 522 errx(1, "interface name '%s' too long", argv[0]); 523 argc--; argv++; 524 525 /* 526 * NOTE: We must special-case the `create' command right 527 * here as we would otherwise fail in getinfo(). 528 */ 529 if (argc > 0 && strcmp(argv[0], "create") == 0) { 530 clone_create(argv[0], 0); 531 argc--, argv++; 532 if (argc == 0) 533 exit(0); 534 } 535 536 /* Check for address family. */ 537 afp = NULL; 538 if (argc > 0) { 539 afp = lookup_af(argv[0]); 540 if (afp != NULL) { 541 argv++; 542 argc--; 543 } 544 } 545 546 /* Initialize af, just for use in getinfo(). */ 547 if (afp == NULL) 548 af = afs->af_af; 549 else 550 af = afp->af_af; 551 552 /* Get information about the interface. */ 553 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 554 if (getinfo(&ifr) < 0) 555 exit(1); 556 557 if (sflag) { 558 if (argc != 0) 559 usage(); 560 else 561 exit(carrier()); 562 } 563 564 /* No more arguments means interface status. */ 565 if (argc == 0) { 566 printall(name); 567 exit(0); 568 } 569 570 /* The following operations assume inet family as the default. */ 571 if (afp == NULL) 572 afp = afs; 573 af = ifr.ifr_addr.sa_family = afp->af_af; 574 575 #ifdef INET6 576 /* initialization */ 577 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 578 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 579 #endif 580 581 /* Process commands. */ 582 while (argc > 0) { 583 const struct cmd *p; 584 585 for (p = cmds; p->c_name; p++) 586 if (strcmp(argv[0], p->c_name) == 0) 587 break; 588 if (p->c_name == 0 && setaddr) { 589 if ((flags & IFF_POINTOPOINT) == 0) { 590 errx(EXIT_FAILURE, 591 "can't set destination address %s", 592 "on non-point-to-point link"); 593 } 594 p++; /* got src, do dst */ 595 } 596 if (p->c_func != NULL || p->c_func2 != NULL) { 597 if (p->c_parameter == NEXTARG) { 598 if (argc < 2) 599 errx(EXIT_FAILURE, 600 "'%s' requires argument", 601 p->c_name); 602 (*p->c_func)(argv[1], 0); 603 argc--, argv++; 604 } else if (p->c_parameter == NEXTARG2) { 605 if (argc < 3) 606 errx(EXIT_FAILURE, 607 "'%s' requires 2 arguments", 608 p->c_name); 609 (*p->c_func2)(argv[1], argv[2]); 610 argc -= 2, argv += 2; 611 } else 612 (*p->c_func)(argv[0], p->c_parameter); 613 actions |= p->c_action; 614 } 615 argc--, argv++; 616 } 617 618 /* 619 * See if multiple alias, -alias, or delete commands were 620 * specified. More than one constitutes an invalid command line 621 */ 622 623 if (conflicting > 1) 624 errx(EXIT_FAILURE, 625 "Only one use of alias, -alias or delete is valid."); 626 627 /* Process any media commands that may have been issued. */ 628 process_media_commands(); 629 630 if (af == AF_INET6 && explicit_prefix == 0) { 631 /* 632 * Aggregatable address architecture defines all prefixes 633 * are 64. So, it is convenient to set prefixlen to 64 if 634 * it is not specified. 635 */ 636 setifprefixlen("64", 0); 637 /* in6_getprefix("64", MASK) if MASK is available here... */ 638 } 639 640 #ifndef INET_ONLY 641 if (af == AF_ISO) 642 adjust_nsellength(); 643 644 if (af == AF_APPLETALK) 645 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 646 647 if (setipdst && af==AF_NS) { 648 struct nsip_req rq; 649 int size = sizeof(rq); 650 651 rq.rq_ns = addreq.ifra_addr; 652 rq.rq_ip = addreq.ifra_dstaddr; 653 654 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 655 warn("encapsulation routing"); 656 } 657 658 #endif /* INET_ONLY */ 659 660 if (clearaddr) { 661 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 662 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 663 err(EXIT_FAILURE, "SIOCDIFADDR"); 664 } 665 if (newaddr > 0) { 666 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 667 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 668 warn("SIOCAIFADDR"); 669 } 670 671 if (g_ifcr_updated) { 672 (void) strncpy(g_ifcr.ifcr_name, name, 673 sizeof(g_ifcr.ifcr_name)); 674 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 675 err(EXIT_FAILURE, "SIOCSIFCAP"); 676 } 677 678 exit(0); 679 } 680 681 struct afswtch * 682 lookup_af(const char *cp) 683 { 684 struct afswtch *a; 685 686 for (a = afs; a->af_name != NULL; a++) 687 if (strcmp(a->af_name, cp) == 0) 688 return (a); 689 return (NULL); 690 } 691 692 void 693 getsock(int naf) 694 { 695 static int oaf = -1; 696 697 if (oaf == naf) 698 return; 699 if (oaf != -1) 700 close(s); 701 s = socket(naf, SOCK_DGRAM, 0); 702 if (s < 0) 703 oaf = -1; 704 else 705 oaf = naf; 706 } 707 708 int 709 getinfo(struct ifreq *giifr) 710 { 711 712 getsock(af); 713 if (s < 0) 714 err(EXIT_FAILURE, "socket"); 715 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 716 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 717 return (-1); 718 } 719 flags = giifr->ifr_flags; 720 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 721 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 722 metric = 0; 723 } else 724 metric = giifr->ifr_metric; 725 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 726 mtu = 0; 727 else 728 mtu = giifr->ifr_mtu; 729 730 memset(&g_ifcr, 0, sizeof(g_ifcr)); 731 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 732 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 733 734 return (0); 735 } 736 737 void 738 printall(const char *ifname) 739 { 740 struct ifaddrs *ifap, *ifa; 741 struct ifreq paifr; 742 const struct sockaddr_dl *sdl = NULL; 743 int idx; 744 char *p; 745 746 if (getifaddrs(&ifap) != 0) 747 err(EXIT_FAILURE, "getifaddrs"); 748 p = NULL; 749 idx = 0; 750 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 751 memset(&paifr, 0, sizeof(paifr)); 752 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 753 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 754 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 755 ifa->ifa_addr->sa_len); 756 } 757 758 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 759 continue; 760 if (ifa->ifa_addr->sa_family == AF_LINK) 761 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 762 if (p && strcmp(p, ifa->ifa_name) == 0) 763 continue; 764 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 765 continue; 766 p = ifa->ifa_name; 767 768 if (getinfo(&paifr) < 0) 769 continue; 770 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 771 continue; 772 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 773 continue; 774 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 775 continue; 776 777 if (sflag && carrier()) 778 continue; 779 idx++; 780 /* 781 * Are we just listing the interfaces? 782 */ 783 if (lflag) { 784 if (idx > 1) 785 printf(" "); 786 fputs(name, stdout); 787 continue; 788 } 789 790 status(sdl); 791 sdl = NULL; 792 } 793 if (lflag) 794 printf("\n"); 795 freeifaddrs(ifap); 796 } 797 798 void 799 list_cloners(void) 800 { 801 struct if_clonereq ifcr; 802 char *cp, *buf; 803 int idx; 804 805 memset(&ifcr, 0, sizeof(ifcr)); 806 807 getsock(AF_INET); 808 809 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 810 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 811 812 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 813 if (buf == NULL) 814 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 815 816 ifcr.ifcr_count = ifcr.ifcr_total; 817 ifcr.ifcr_buffer = buf; 818 819 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 820 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 821 822 /* 823 * In case some disappeared in the mean time, clamp it down. 824 */ 825 if (ifcr.ifcr_count > ifcr.ifcr_total) 826 ifcr.ifcr_count = ifcr.ifcr_total; 827 828 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 829 if (idx > 0) 830 printf(" "); 831 printf("%s", cp); 832 } 833 834 printf("\n"); 835 free(buf); 836 return; 837 } 838 839 /*ARGSUSED*/ 840 void 841 clone_create(const char *addr, int param) 842 { 843 844 /* We're called early... */ 845 getsock(AF_INET); 846 847 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 848 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 849 err(EXIT_FAILURE, "SIOCIFCREATE"); 850 } 851 852 /*ARGSUSED*/ 853 void 854 clone_destroy(const char *addr, int param) 855 { 856 857 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 858 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 859 err(EXIT_FAILURE, "SIOCIFDESTROY"); 860 } 861 862 #define RIDADDR 0 863 #define ADDR 1 864 #define MASK 2 865 #define DSTADDR 3 866 867 /*ARGSUSED*/ 868 void 869 setifaddr(const char *addr, int param) 870 { 871 struct ifreq *siifr; /* XXX */ 872 873 /* 874 * Delay the ioctl to set the interface addr until flags are all set. 875 * The address interpretation may depend on the flags, 876 * and the flags may change when the address is set. 877 */ 878 setaddr++; 879 if (newaddr == -1) 880 newaddr = 1; 881 if (doalias == 0 && afp->af_gifaddr != 0) { 882 siifr = (struct ifreq *)afp->af_ridreq; 883 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 884 siifr->ifr_addr.sa_family = afp->af_af; 885 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 886 clearaddr = 1; 887 else if (errno == EADDRNOTAVAIL) 888 /* No address was assigned yet. */ 889 ; 890 else 891 err(EXIT_FAILURE, "SIOCGIFADDR"); 892 } 893 894 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 895 } 896 897 void 898 settunnel(const char *src, const char *dst) 899 { 900 struct addrinfo hints, *srcres, *dstres; 901 int ecode; 902 struct if_laddrreq req; 903 904 memset(&hints, 0, sizeof(hints)); 905 hints.ai_family = afp->af_af; 906 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 907 908 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 909 errx(EXIT_FAILURE, "error in parsing address string: %s", 910 gai_strerror(ecode)); 911 912 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 913 errx(EXIT_FAILURE, "error in parsing address string: %s", 914 gai_strerror(ecode)); 915 916 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 917 errx(EXIT_FAILURE, 918 "source and destination address families do not match"); 919 920 if (srcres->ai_addrlen > sizeof(req.addr) || 921 dstres->ai_addrlen > sizeof(req.dstaddr)) 922 errx(EXIT_FAILURE, "invalid sockaddr"); 923 924 memset(&req, 0, sizeof(req)); 925 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 926 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 927 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 928 929 #ifdef INET6 930 if (req.addr.ss_family == AF_INET6) { 931 struct sockaddr_in6 *s6, *d; 932 933 s6 = (struct sockaddr_in6 *)&req.addr; 934 d = (struct sockaddr_in6 *)&req.dstaddr; 935 if (s6->sin6_scope_id != d->sin6_scope_id) { 936 errx(EXIT_FAILURE, "scope mismatch"); 937 /* NOTREACHED */ 938 } 939 #ifdef __KAME__ 940 /* embed scopeid */ 941 if (s6->sin6_scope_id && 942 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 943 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 944 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 945 htons(s6->sin6_scope_id); 946 } 947 if (d->sin6_scope_id && 948 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 949 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 950 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 951 htons(d->sin6_scope_id); 952 } 953 #endif 954 } 955 #endif 956 957 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 958 warn("SIOCSLIFPHYADDR"); 959 960 freeaddrinfo(srcres); 961 freeaddrinfo(dstres); 962 } 963 964 /* ARGSUSED */ 965 void 966 deletetunnel(const char *vname, int param) 967 { 968 969 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 970 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 971 } 972 973 void 974 setvlan(const char *val, int d) 975 { 976 struct vlanreq vlr; 977 978 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 979 !isdigit((unsigned char)ifr.ifr_name[4])) 980 errx(EXIT_FAILURE, 981 "``vlan'' valid only with vlan(4) interfaces"); 982 983 vlan_tag = atoi(val); 984 985 memset(&vlr, 0, sizeof(vlr)); 986 ifr.ifr_data = (void *)&vlr; 987 988 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 989 err(EXIT_FAILURE, "SIOCGETVLAN"); 990 991 vlr.vlr_tag = vlan_tag; 992 993 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 994 err(EXIT_FAILURE, "SIOCSETVLAN"); 995 } 996 997 void 998 setvlanif(const char *val, int d) 999 { 1000 struct vlanreq vlr; 1001 1002 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1003 !isdigit((unsigned char)ifr.ifr_name[4])) 1004 errx(EXIT_FAILURE, 1005 "``vlanif'' valid only with vlan(4) interfaces"); 1006 1007 if (vlan_tag == (u_int)-1) 1008 errx(EXIT_FAILURE, 1009 "must specify both ``vlan'' and ``vlanif''"); 1010 1011 memset(&vlr, 0, sizeof(vlr)); 1012 ifr.ifr_data = (void *)&vlr; 1013 1014 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1015 err(EXIT_FAILURE, "SIOCGETVLAN"); 1016 1017 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1018 vlr.vlr_tag = vlan_tag; 1019 1020 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1021 err(EXIT_FAILURE, "SIOCSETVLAN"); 1022 } 1023 1024 void 1025 unsetvlanif(const char *val, int d) 1026 { 1027 struct vlanreq vlr; 1028 1029 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1030 !isdigit((unsigned char)ifr.ifr_name[4])) 1031 errx(EXIT_FAILURE, 1032 "``vlanif'' valid only with vlan(4) interfaces"); 1033 1034 memset(&vlr, 0, sizeof(vlr)); 1035 ifr.ifr_data = (void *)&vlr; 1036 1037 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1038 err(EXIT_FAILURE, "SIOCGETVLAN"); 1039 1040 vlr.vlr_parent[0] = '\0'; 1041 vlr.vlr_tag = 0; 1042 1043 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1044 err(EXIT_FAILURE, "SIOCSETVLAN"); 1045 } 1046 1047 void 1048 setifnetmask(const char *addr, int d) 1049 { 1050 (*afp->af_getaddr)(addr, MASK); 1051 } 1052 1053 void 1054 setifbroadaddr(const char *addr, int d) 1055 { 1056 (*afp->af_getaddr)(addr, DSTADDR); 1057 } 1058 1059 void 1060 setifipdst(const char *addr, int d) 1061 { 1062 in_getaddr(addr, DSTADDR); 1063 setipdst++; 1064 clearaddr = 0; 1065 newaddr = 0; 1066 } 1067 1068 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1069 /*ARGSUSED*/ 1070 void 1071 notealias(const char *addr, int param) 1072 { 1073 if (setaddr && doalias == 0 && param < 0) 1074 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1075 rqtosa(af_addreq)->sa_len); 1076 doalias = param; 1077 if (param < 0) { 1078 clearaddr = 1; 1079 newaddr = 0; 1080 conflicting++; 1081 } else { 1082 clearaddr = 0; 1083 conflicting++; 1084 } 1085 } 1086 1087 /*ARGSUSED*/ 1088 void 1089 notrailers(const char *vname, int value) 1090 { 1091 puts("Note: trailers are no longer sent, but always received"); 1092 } 1093 1094 /*ARGSUSED*/ 1095 void 1096 setifdstaddr(const char *addr, int param) 1097 { 1098 (*afp->af_getaddr)(addr, DSTADDR); 1099 } 1100 1101 void 1102 setifflags(const char *vname, int value) 1103 { 1104 struct ifreq ifreq; 1105 1106 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1107 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1108 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1109 flags = ifreq.ifr_flags; 1110 1111 if (value < 0) { 1112 value = -value; 1113 flags &= ~value; 1114 } else 1115 flags |= value; 1116 ifreq.ifr_flags = flags; 1117 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1118 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1119 } 1120 1121 void 1122 setifcaps(const char *vname, int value) 1123 { 1124 1125 if (value < 0) { 1126 value = -value; 1127 g_ifcr.ifcr_capenable &= ~value; 1128 } else 1129 g_ifcr.ifcr_capenable |= value; 1130 1131 g_ifcr_updated = 1; 1132 } 1133 1134 #ifdef INET6 1135 void 1136 setia6flags(const char *vname, int value) 1137 { 1138 1139 if (value < 0) { 1140 value = -value; 1141 in6_addreq.ifra_flags &= ~value; 1142 } else 1143 in6_addreq.ifra_flags |= value; 1144 } 1145 1146 void 1147 setia6pltime(const char *val, int d) 1148 { 1149 1150 setia6lifetime("pltime", val); 1151 } 1152 1153 void 1154 setia6vltime(const char *val, int d) 1155 { 1156 1157 setia6lifetime("vltime", val); 1158 } 1159 1160 void 1161 setia6lifetime(const char *cmd, const char *val) 1162 { 1163 time_t newval, t; 1164 char *ep; 1165 1166 t = time(NULL); 1167 newval = (time_t)strtoul(val, &ep, 0); 1168 if (val == ep) 1169 errx(EXIT_FAILURE, "invalid %s", cmd); 1170 if (afp->af_af != AF_INET6) 1171 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1172 if (strcmp(cmd, "vltime") == 0) { 1173 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1174 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1175 } else if (strcmp(cmd, "pltime") == 0) { 1176 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1177 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1178 } 1179 } 1180 1181 void 1182 setia6eui64(const char *cmd, int val) 1183 { 1184 struct ifaddrs *ifap, *ifa; 1185 const struct sockaddr_in6 *sin6 = NULL; 1186 const struct in6_addr *lladdr = NULL; 1187 struct in6_addr *in6; 1188 1189 if (afp->af_af != AF_INET6) 1190 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1191 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1192 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1193 errx(EXIT_FAILURE, "interface index is already filled"); 1194 if (getifaddrs(&ifap) != 0) 1195 err(EXIT_FAILURE, "getifaddrs"); 1196 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1197 if (ifa->ifa_addr->sa_family == AF_INET6 && 1198 strcmp(ifa->ifa_name, name) == 0) { 1199 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1200 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1201 lladdr = &sin6->sin6_addr; 1202 break; 1203 } 1204 } 1205 } 1206 if (!lladdr) 1207 errx(EXIT_FAILURE, "could not determine link local address"); 1208 1209 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1210 1211 freeifaddrs(ifap); 1212 } 1213 #endif 1214 1215 void 1216 setifmetric(const char *val, int d) 1217 { 1218 char *ep = NULL; 1219 1220 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1221 ifr.ifr_metric = strtoul(val, &ep, 10); 1222 if (!ep || *ep) 1223 errx(EXIT_FAILURE, "%s: invalid metric", val); 1224 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1225 warn("SIOCSIFMETRIC"); 1226 } 1227 1228 void 1229 setifmtu(const char *val, int d) 1230 { 1231 char *ep = NULL; 1232 1233 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1234 ifr.ifr_mtu = strtoul(val, &ep, 10); 1235 if (!ep || *ep) 1236 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1237 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1238 warn("SIOCSIFMTU"); 1239 } 1240 1241 const char * 1242 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1243 { 1244 int len; 1245 int hexstr; 1246 u_int8_t *p; 1247 1248 len = *lenp; 1249 p = buf; 1250 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1251 if (hexstr) 1252 val += 2; 1253 for (;;) { 1254 if (*val == '\0') 1255 break; 1256 if (sep != NULL && strchr(sep, *val) != NULL) { 1257 val++; 1258 break; 1259 } 1260 if (hexstr) { 1261 if (!isxdigit((u_char)val[0]) || 1262 !isxdigit((u_char)val[1])) { 1263 warnx("bad hexadecimal digits"); 1264 return NULL; 1265 } 1266 } 1267 if (p > buf + len) { 1268 if (hexstr) 1269 warnx("hexadecimal digits too long"); 1270 else 1271 warnx("strings too long"); 1272 return NULL; 1273 } 1274 if (hexstr) { 1275 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1276 *p++ = (tohex((u_char)val[0]) << 4) | 1277 tohex((u_char)val[1]); 1278 #undef tohex 1279 val += 2; 1280 } else 1281 *p++ = *val++; 1282 } 1283 len = p - buf; 1284 if (len < *lenp) 1285 memset(p, 0, *lenp - len); 1286 *lenp = len; 1287 return val; 1288 } 1289 1290 void 1291 print_string(const u_int8_t *buf, int len) 1292 { 1293 int i; 1294 int hasspc; 1295 1296 i = 0; 1297 hasspc = 0; 1298 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1299 for (; i < len; i++) { 1300 if (!isprint(buf[i])) 1301 break; 1302 if (isspace(buf[i])) 1303 hasspc++; 1304 } 1305 } 1306 if (i == len) { 1307 if (hasspc || len == 0) 1308 printf("\"%.*s\"", len, buf); 1309 else 1310 printf("%.*s", len, buf); 1311 } else { 1312 printf("0x"); 1313 for (i = 0; i < len; i++) 1314 printf("%02x", buf[i]); 1315 } 1316 } 1317 1318 void 1319 setifnwid(const char *val, int d) 1320 { 1321 struct ieee80211_nwid nwid; 1322 int len; 1323 1324 len = sizeof(nwid.i_nwid); 1325 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1326 return; 1327 nwid.i_len = len; 1328 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1329 ifr.ifr_data = (void *)&nwid; 1330 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1331 warn("SIOCS80211NWID"); 1332 } 1333 1334 void 1335 setifbssid(const char *val, int d) 1336 { 1337 struct ieee80211_bssid bssid; 1338 struct ether_addr *ea; 1339 1340 if (d != 0) { 1341 /* no BSSID is especially desired */ 1342 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1343 } else { 1344 ea = ether_aton(val); 1345 if (ea == NULL) { 1346 warnx("malformed BSSID: %s", val); 1347 return; 1348 } 1349 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1350 sizeof(bssid.i_bssid)); 1351 } 1352 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1353 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1354 warn("SIOCS80211BSSID"); 1355 } 1356 1357 void 1358 setifchan(const char *val, int d) 1359 { 1360 struct ieee80211chanreq channel; 1361 int chan; 1362 1363 if (d != 0) 1364 chan = IEEE80211_CHAN_ANY; 1365 else { 1366 chan = atoi(val); 1367 if (chan < 0 || chan > 0xffff) { 1368 warnx("invalid channel: %s", val); 1369 return; 1370 } 1371 } 1372 1373 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1374 channel.i_channel = (u_int16_t) chan; 1375 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1376 warn("SIOCS80211CHANNEL"); 1377 } 1378 1379 void 1380 setifnwkey(const char *val, int d) 1381 { 1382 struct ieee80211_nwkey nwkey; 1383 int i; 1384 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1385 1386 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1387 nwkey.i_defkid = 1; 1388 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1389 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1390 nwkey.i_key[i].i_keydat = keybuf[i]; 1391 } 1392 if (d != 0) { 1393 /* disable WEP encryption */ 1394 nwkey.i_wepon = 0; 1395 i = 0; 1396 } else if (strcasecmp("persist", val) == 0) { 1397 /* use all values from persistent memory */ 1398 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1399 nwkey.i_defkid = 0; 1400 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1401 nwkey.i_key[i].i_keylen = -1; 1402 } else if (strncasecmp("persist:", val, 8) == 0) { 1403 val += 8; 1404 /* program keys in persistent memory */ 1405 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1406 goto set_nwkey; 1407 } else { 1408 set_nwkey: 1409 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1410 /* specifying a full set of four keys */ 1411 nwkey.i_defkid = val[0] - '0'; 1412 val += 2; 1413 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1414 val = get_string(val, ",", keybuf[i], 1415 &nwkey.i_key[i].i_keylen); 1416 if (val == NULL) 1417 return; 1418 } 1419 if (*val != '\0') { 1420 warnx("SIOCS80211NWKEY: too many keys."); 1421 return; 1422 } 1423 } else { 1424 val = get_string(val, NULL, keybuf[0], 1425 &nwkey.i_key[0].i_keylen); 1426 if (val == NULL) 1427 return; 1428 i = 1; 1429 } 1430 } 1431 for (; i < IEEE80211_WEP_NKID; i++) 1432 nwkey.i_key[i].i_keylen = 0; 1433 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1434 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1435 warn("SIOCS80211NWKEY"); 1436 } 1437 1438 void 1439 setifpowersave(const char *val, int d) 1440 { 1441 struct ieee80211_power power; 1442 1443 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1444 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1445 warn("SIOCG80211POWER"); 1446 return; 1447 } 1448 1449 power.i_enabled = d; 1450 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1451 warn("SIOCS80211POWER"); 1452 } 1453 1454 void 1455 setifpowersavesleep(const char *val, int d) 1456 { 1457 struct ieee80211_power power; 1458 1459 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1460 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1461 warn("SIOCG80211POWER"); 1462 return; 1463 } 1464 1465 power.i_maxsleep = atoi(val); 1466 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1467 warn("SIOCS80211POWER"); 1468 } 1469 1470 void 1471 ieee80211_statistics(void) 1472 { 1473 struct ieee80211_stats stats; 1474 1475 memset(&ifr, 0, sizeof(ifr)); 1476 ifr.ifr_data = (caddr_t)&stats; 1477 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1478 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1479 (caddr_t)&ifr) == -1) 1480 return; 1481 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1482 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1483 1484 RX_PRINT("too short", is_rx_tooshort); 1485 RX_PRINT("bad version", is_rx_badversion); 1486 RX_PRINT("wrong bss", is_rx_wrongbss); 1487 RX_PRINT("duplicate", is_rx_dup); 1488 RX_PRINT("wrong direction", is_rx_wrongdir); 1489 RX_PRINT("multicast echo", is_rx_mcastecho); 1490 RX_PRINT("STA not associated", is_rx_notassoc); 1491 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1492 RX_PRINT("WEP processing failed", is_rx_wepfail); 1493 #if 0 1494 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1495 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1496 #endif 1497 RX_PRINT("decapsulation failed", is_rx_decap); 1498 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1499 RX_PRINT("control-type discarded", is_rx_ctl); 1500 RX_PRINT("truncated rate set", is_rx_rstoobig); 1501 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1502 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1503 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1504 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1505 RX_PRINT("invalid channel", is_rx_badchan); 1506 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1507 RX_PRINT("failed node allocation", is_rx_nodealloc); 1508 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1509 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1510 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1511 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1512 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1513 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1514 RX_PRINT("association without rate match", is_rx_assoc_norate); 1515 RX_PRINT("deauthentication", is_rx_deauth); 1516 RX_PRINT("disassocation", is_rx_disassoc); 1517 RX_PRINT("unknown subtype", is_rx_badsubtype); 1518 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1519 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1520 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1521 RX_PRINT("bad authentication", is_rx_bad_auth); 1522 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1523 TX_PRINT("failed, no node", is_tx_nonode); 1524 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1525 printf("\tactive scans: %u\n", stats.is_scan_active); 1526 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1527 printf("\tnodes timed-out for inactivity: %u\n", 1528 stats.is_node_timeout); 1529 printf("\tcrypto context memory unavailable: %u\n", 1530 stats.is_crypto_nomem); 1531 } 1532 1533 void 1534 ieee80211_status(void) 1535 { 1536 int i, nwkey_verbose; 1537 struct ieee80211_nwid nwid; 1538 struct ieee80211_nwkey nwkey; 1539 struct ieee80211_power power; 1540 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1541 struct ieee80211_bssid bssid; 1542 struct ieee80211chanreq channel; 1543 struct ether_addr ea; 1544 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1545 1546 memset(&ifr, 0, sizeof(ifr)); 1547 ifr.ifr_data = (void *)&nwid; 1548 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1549 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1550 return; 1551 if (nwid.i_len > IEEE80211_NWID_LEN) { 1552 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1553 return; 1554 } 1555 printf("\tssid "); 1556 print_string(nwid.i_nwid, nwid.i_len); 1557 memset(&nwkey, 0, sizeof(nwkey)); 1558 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1559 /* show nwkey only when WEP is enabled */ 1560 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1561 nwkey.i_wepon == 0) { 1562 printf("\n"); 1563 goto skip_wep; 1564 } 1565 1566 printf(" nwkey "); 1567 /* try to retrieve WEP keys */ 1568 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1569 nwkey.i_key[i].i_keydat = keybuf[i]; 1570 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1571 } 1572 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1573 printf("*****"); 1574 } else { 1575 nwkey_verbose = 0; 1576 /* check to see non default key or multiple keys defined */ 1577 if (nwkey.i_defkid != 1) { 1578 nwkey_verbose = 1; 1579 } else { 1580 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1581 if (nwkey.i_key[i].i_keylen != 0) { 1582 nwkey_verbose = 1; 1583 break; 1584 } 1585 } 1586 } 1587 /* check extra ambiguity with keywords */ 1588 if (!nwkey_verbose) { 1589 if (nwkey.i_key[0].i_keylen >= 2 && 1590 isdigit(nwkey.i_key[0].i_keydat[0]) && 1591 nwkey.i_key[0].i_keydat[1] == ':') 1592 nwkey_verbose = 1; 1593 else if (nwkey.i_key[0].i_keylen >= 7 && 1594 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1595 == 0) 1596 nwkey_verbose = 1; 1597 } 1598 if (nwkey_verbose) 1599 printf("%d:", nwkey.i_defkid); 1600 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1601 if (i > 0) 1602 printf(","); 1603 if (nwkey.i_key[i].i_keylen < 0) 1604 printf("persist"); 1605 else 1606 print_string(nwkey.i_key[i].i_keydat, 1607 nwkey.i_key[i].i_keylen); 1608 if (!nwkey_verbose) 1609 break; 1610 } 1611 } 1612 printf("\n"); 1613 1614 skip_wep: 1615 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1616 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1617 goto skip_power; 1618 printf("\tpowersave "); 1619 if (power.i_enabled) 1620 printf("on (%dms sleep)", power.i_maxsleep); 1621 else 1622 printf("off"); 1623 printf("\n"); 1624 1625 skip_power: 1626 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1627 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1628 return; 1629 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1630 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1631 return; 1632 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1633 if (channel.i_channel != (u_int16_t)-1) 1634 printf("\tchan %d\n", channel.i_channel); 1635 } else { 1636 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1637 sizeof(ea.ether_addr_octet)); 1638 printf("\tbssid %s", ether_ntoa(&ea)); 1639 if (channel.i_channel != IEEE80211_CHAN_ANY) 1640 printf(" chan %d", channel.i_channel); 1641 printf("\n"); 1642 } 1643 } 1644 1645 static void 1646 media_error(int type, const char *val, const char *opt) 1647 { 1648 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1649 get_media_type_string(type), opt, val); 1650 } 1651 1652 void 1653 init_current_media(void) 1654 { 1655 struct ifmediareq ifmr; 1656 1657 /* 1658 * If we have not yet done so, grab the currently-selected 1659 * media. 1660 */ 1661 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1662 (void) memset(&ifmr, 0, sizeof(ifmr)); 1663 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1664 1665 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1666 /* 1667 * If we get E2BIG, the kernel is telling us 1668 * that there are more, so we can ignore it. 1669 */ 1670 if (errno != E2BIG) 1671 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1672 } 1673 1674 media_current = ifmr.ifm_current; 1675 } 1676 1677 /* Sanity. */ 1678 if (IFM_TYPE(media_current) == 0) 1679 errx(EXIT_FAILURE, "%s: no link type?", name); 1680 } 1681 1682 void 1683 process_media_commands(void) 1684 { 1685 1686 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1687 /* Nothing to do. */ 1688 return; 1689 } 1690 1691 /* 1692 * Media already set up, and commands sanity-checked. Set/clear 1693 * any options, and we're ready to go. 1694 */ 1695 media_current |= mediaopt_set; 1696 media_current &= ~mediaopt_clear; 1697 1698 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1699 ifr.ifr_media = media_current; 1700 1701 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1702 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1703 } 1704 1705 void 1706 setmedia(const char *val, int d) 1707 { 1708 int type, subtype, inst; 1709 1710 init_current_media(); 1711 1712 /* Only one media command may be given. */ 1713 if (actions & A_MEDIA) 1714 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1715 1716 /* Must not come after mode commands */ 1717 if (actions & A_MEDIAMODE) 1718 errx(EXIT_FAILURE, 1719 "may not issue `media' after `mode' commands"); 1720 1721 /* Must not come after mediaopt commands */ 1722 if (actions & A_MEDIAOPT) 1723 errx(EXIT_FAILURE, 1724 "may not issue `media' after `mediaopt' commands"); 1725 1726 /* 1727 * No need to check if `instance' has been issued; setmediainst() 1728 * craps out if `media' has not been specified. 1729 */ 1730 1731 type = IFM_TYPE(media_current); 1732 inst = IFM_INST(media_current); 1733 1734 /* Look up the subtype. */ 1735 subtype = get_media_subtype(type, val); 1736 if (subtype == -1) 1737 media_error(type, val, "subtype"); 1738 1739 /* Build the new current media word. */ 1740 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1741 1742 /* Media will be set after other processing is complete. */ 1743 } 1744 1745 void 1746 setmediaopt(const char *val, int d) 1747 { 1748 char *invalid; 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(media_current, val, &invalid); 1761 if (mediaopt_set == -1) 1762 media_error(media_current, invalid, "option"); 1763 1764 /* Media will be set after other processing is complete. */ 1765 } 1766 1767 void 1768 unsetmediaopt(const char *val, int d) 1769 { 1770 char *invalid; 1771 1772 init_current_media(); 1773 1774 /* Can only issue `-mediaopt' once. */ 1775 if (actions & A_MEDIAOPTCLR) 1776 errx(EXIT_FAILURE, 1777 "only one `-mediaopt' command may be issued"); 1778 1779 /* May not issue `media' and `-mediaopt'. */ 1780 if (actions & A_MEDIA) 1781 errx(EXIT_FAILURE, 1782 "may not issue both `media' and `-mediaopt'"); 1783 1784 /* 1785 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1786 * implicitly checks for A_MEDIAINST. 1787 */ 1788 1789 mediaopt_clear = get_media_options(media_current, val, &invalid); 1790 if (mediaopt_clear == -1) 1791 media_error(media_current, invalid, "option"); 1792 1793 /* Media will be set after other processing is complete. */ 1794 } 1795 1796 void 1797 setmediainst(const char *val, int d) 1798 { 1799 int type, subtype, options, inst; 1800 1801 init_current_media(); 1802 1803 /* Can only issue `instance' once. */ 1804 if (actions & A_MEDIAINST) 1805 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1806 1807 /* Must have already specified `media' */ 1808 if ((actions & A_MEDIA) == 0) 1809 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1810 1811 type = IFM_TYPE(media_current); 1812 subtype = IFM_SUBTYPE(media_current); 1813 options = IFM_OPTIONS(media_current); 1814 1815 inst = atoi(val); 1816 if (inst < 0 || inst > IFM_INST_MAX) 1817 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1818 1819 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1820 1821 /* Media will be set after other processing is complete. */ 1822 } 1823 1824 void 1825 setmediamode(const char *val, int d) 1826 { 1827 int type, subtype, options, inst, mode; 1828 1829 init_current_media(); 1830 1831 /* Can only issue `mode' once. */ 1832 if (actions & A_MEDIAMODE) 1833 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1834 1835 type = IFM_TYPE(media_current); 1836 subtype = IFM_SUBTYPE(media_current); 1837 options = IFM_OPTIONS(media_current); 1838 inst = IFM_INST(media_current); 1839 1840 mode = get_media_mode(type, val); 1841 if (mode == -1) 1842 media_error(type, val, "mode"); 1843 1844 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1845 1846 /* Media will be set after other processing is complete. */ 1847 } 1848 1849 void 1850 print_media_word(int ifmw, const char *opt_sep) 1851 { 1852 const char *str; 1853 1854 printf("%s", get_media_subtype_string(ifmw)); 1855 1856 /* Find mode. */ 1857 if (IFM_MODE(ifmw) != 0) { 1858 str = get_media_mode_string(ifmw); 1859 if (str != NULL) 1860 printf(" mode %s", str); 1861 } 1862 1863 /* Find options. */ 1864 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1865 printf("%s%s", opt_sep, str); 1866 1867 if (IFM_INST(ifmw) != 0) 1868 printf(" instance %d", IFM_INST(ifmw)); 1869 } 1870 1871 int 1872 carrier(void) 1873 { 1874 struct ifmediareq ifmr; 1875 1876 (void) memset(&ifmr, 0, sizeof(ifmr)); 1877 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1878 1879 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1880 /* 1881 * Interface doesn't support SIOC{G,S}IFMEDIA; 1882 * assume ok. 1883 */ 1884 return 0; 1885 } 1886 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1887 /* 1888 * Interface doesn't report media-valid status. 1889 * assume ok. 1890 */ 1891 return 0; 1892 } 1893 /* otherwise, return ok for active, not-ok if not active. */ 1894 return !(ifmr.ifm_status & IFM_ACTIVE); 1895 } 1896 1897 1898 #define IFFBITS \ 1899 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1900 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1901 1902 #define IFCAPBITS \ 1903 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1904 1905 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1906 1907 const struct ifmedia_status_description ifm_status_descriptions[] = 1908 IFM_STATUS_DESCRIPTIONS; 1909 1910 /* 1911 * Print the status of the interface. If an address family was 1912 * specified, show it and it only; otherwise, show them all. 1913 */ 1914 void 1915 status(const struct sockaddr_dl *sdl) 1916 { 1917 struct afswtch *p = afp; 1918 struct ifmediareq ifmr; 1919 struct ifdatareq ifdr; 1920 int *media_list, i; 1921 char hbuf[NI_MAXHOST]; 1922 char fbuf[BUFSIZ]; 1923 1924 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1925 printf("%s: flags=%s", name, &fbuf[2]); 1926 if (metric) 1927 printf(" metric %lu", metric); 1928 if (mtu) 1929 printf(" mtu %lu", mtu); 1930 printf("\n"); 1931 1932 if (g_ifcr.ifcr_capabilities) { 1933 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1934 g_ifcr.ifcr_capabilities); 1935 printf("\tcapabilities=%s\n", &fbuf[2]); 1936 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1937 g_ifcr.ifcr_capenable); 1938 printf("\tenabled=%s\n", &fbuf[2]); 1939 } 1940 1941 ieee80211_status(); 1942 vlan_status(); 1943 tunnel_status(); 1944 1945 if (sdl != NULL && 1946 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1947 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1948 hbuf[0] != '\0') 1949 printf("\taddress: %s\n", hbuf); 1950 1951 (void) memset(&ifmr, 0, sizeof(ifmr)); 1952 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1953 1954 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1955 /* 1956 * Interface doesn't support SIOC{G,S}IFMEDIA. 1957 */ 1958 goto iface_stats; 1959 } 1960 1961 if (ifmr.ifm_count == 0) { 1962 warnx("%s: no media types?", name); 1963 goto iface_stats; 1964 } 1965 1966 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1967 if (media_list == NULL) 1968 err(EXIT_FAILURE, "malloc"); 1969 ifmr.ifm_ulist = media_list; 1970 1971 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1972 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1973 1974 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1975 print_media_word(ifmr.ifm_current, " "); 1976 if (ifmr.ifm_active != ifmr.ifm_current) { 1977 printf(" ("); 1978 print_media_word(ifmr.ifm_active, " "); 1979 printf(")"); 1980 } 1981 printf("\n"); 1982 1983 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1984 const struct ifmedia_status_description *ifms; 1985 int bitno, found = 0; 1986 1987 printf("\tstatus: "); 1988 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1989 for (ifms = ifm_status_descriptions; 1990 ifms->ifms_valid != 0; ifms++) { 1991 if (ifms->ifms_type != 1992 IFM_TYPE(ifmr.ifm_current) || 1993 ifms->ifms_valid != 1994 ifm_status_valid_list[bitno]) 1995 continue; 1996 printf("%s%s", found ? ", " : "", 1997 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1998 found = 1; 1999 2000 /* 2001 * For each valid indicator bit, there's 2002 * only one entry for each media type, so 2003 * terminate the inner loop now. 2004 */ 2005 break; 2006 } 2007 } 2008 2009 if (found == 0) 2010 printf("unknown"); 2011 printf("\n"); 2012 } 2013 2014 if (mflag) { 2015 int type, printed_type; 2016 2017 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2018 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2019 if (IFM_TYPE(media_list[i]) != type) 2020 continue; 2021 if (printed_type == 0) { 2022 printf("\tsupported %s media:\n", 2023 get_media_type_string(type)); 2024 printed_type = 1; 2025 } 2026 printf("\t\tmedia "); 2027 print_media_word(media_list[i], " mediaopt "); 2028 printf("\n"); 2029 } 2030 } 2031 } 2032 2033 free(media_list); 2034 2035 iface_stats: 2036 if (!vflag && !zflag) 2037 goto proto_status; 2038 2039 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2040 2041 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 2042 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2043 } else { 2044 struct if_data * const ifi = &ifdr.ifdr_data; 2045 #define PLURAL(n) ((n) == 1 ? "" : "s") 2046 printf("\tinput: %llu packet%s, %llu byte%s", 2047 (unsigned long long) ifi->ifi_ipackets, 2048 PLURAL(ifi->ifi_ipackets), 2049 (unsigned long long) ifi->ifi_ibytes, 2050 PLURAL(ifi->ifi_ibytes)); 2051 if (ifi->ifi_imcasts) 2052 printf(", %llu multicast%s", 2053 (unsigned long long) ifi->ifi_imcasts, 2054 PLURAL(ifi->ifi_imcasts)); 2055 if (ifi->ifi_ierrors) 2056 printf(", %llu error%s", 2057 (unsigned long long) ifi->ifi_ierrors, 2058 PLURAL(ifi->ifi_ierrors)); 2059 if (ifi->ifi_iqdrops) 2060 printf(", %llu queue drop%s", 2061 (unsigned long long) ifi->ifi_iqdrops, 2062 PLURAL(ifi->ifi_iqdrops)); 2063 if (ifi->ifi_noproto) 2064 printf(", %llu unknown protocol", 2065 (unsigned long long) ifi->ifi_noproto); 2066 printf("\n\toutput: %llu packet%s, %llu byte%s", 2067 (unsigned long long) ifi->ifi_opackets, 2068 PLURAL(ifi->ifi_opackets), 2069 (unsigned long long) ifi->ifi_obytes, 2070 PLURAL(ifi->ifi_obytes)); 2071 if (ifi->ifi_omcasts) 2072 printf(", %llu multicast%s", 2073 (unsigned long long) ifi->ifi_omcasts, 2074 PLURAL(ifi->ifi_omcasts)); 2075 if (ifi->ifi_oerrors) 2076 printf(", %llu error%s", 2077 (unsigned long long) ifi->ifi_oerrors, 2078 PLURAL(ifi->ifi_oerrors)); 2079 if (ifi->ifi_collisions) 2080 printf(", %llu collision%s", 2081 (unsigned long long) ifi->ifi_collisions, 2082 PLURAL(ifi->ifi_collisions)); 2083 printf("\n"); 2084 #undef PLURAL 2085 } 2086 2087 ieee80211_statistics(); 2088 2089 proto_status: 2090 if ((p = afp) != NULL) { 2091 (*p->af_status)(1); 2092 } else for (p = afs; p->af_name; p++) { 2093 ifr.ifr_addr.sa_family = p->af_af; 2094 (*p->af_status)(0); 2095 } 2096 } 2097 2098 void 2099 tunnel_status(void) 2100 { 2101 char psrcaddr[NI_MAXHOST]; 2102 char pdstaddr[NI_MAXHOST]; 2103 const char *ver = ""; 2104 const int niflag = NI_NUMERICHOST; 2105 struct if_laddrreq req; 2106 2107 psrcaddr[0] = pdstaddr[0] = '\0'; 2108 2109 memset(&req, 0, sizeof(req)); 2110 strncpy(req.iflr_name, name, IFNAMSIZ); 2111 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2112 return; 2113 #ifdef INET6 2114 if (req.addr.ss_family == AF_INET6) 2115 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2116 #endif 2117 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2118 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2119 #ifdef INET6 2120 if (req.addr.ss_family == AF_INET6) 2121 ver = "6"; 2122 #endif 2123 2124 #ifdef INET6 2125 if (req.dstaddr.ss_family == AF_INET6) 2126 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2127 #endif 2128 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2129 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2130 2131 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2132 } 2133 2134 void 2135 vlan_status(void) 2136 { 2137 struct vlanreq vlr; 2138 2139 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2140 !isdigit((unsigned char)ifr.ifr_name[4])) 2141 return; 2142 2143 memset(&vlr, 0, sizeof(vlr)); 2144 ifr.ifr_data = (void *)&vlr; 2145 2146 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2147 return; 2148 2149 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2150 printf("\tvlan: %d parent: %s\n", 2151 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2152 "<none>" : vlr.vlr_parent); 2153 } 2154 2155 void 2156 in_alias(struct ifreq *creq) 2157 { 2158 struct sockaddr_in *iasin; 2159 int alias; 2160 2161 if (lflag) 2162 return; 2163 2164 alias = 1; 2165 2166 /* Get the non-alias address for this interface. */ 2167 getsock(AF_INET); 2168 if (s < 0) { 2169 if (errno == EPROTONOSUPPORT) 2170 return; 2171 err(EXIT_FAILURE, "socket"); 2172 } 2173 (void) memset(&ifr, 0, sizeof(ifr)); 2174 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2175 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2176 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2177 return; 2178 } else 2179 warn("SIOCGIFADDR"); 2180 } 2181 /* If creq and ifr are the same address, this is not an alias. */ 2182 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2183 sizeof(creq->ifr_addr)) == 0) 2184 alias = 0; 2185 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2186 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2187 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2188 sizeof(in_addreq.ifra_addr)); 2189 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2190 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2191 return; 2192 } else 2193 warn("SIOCGIFALIAS"); 2194 } 2195 2196 iasin = &in_addreq.ifra_addr; 2197 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2198 2199 if (flags & IFF_POINTOPOINT) { 2200 iasin = &in_addreq.ifra_dstaddr; 2201 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2202 } 2203 2204 iasin = &in_addreq.ifra_mask; 2205 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2206 2207 if (flags & IFF_BROADCAST) { 2208 iasin = &in_addreq.ifra_broadaddr; 2209 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2210 } 2211 printf("\n"); 2212 } 2213 2214 void 2215 in_status(int force) 2216 { 2217 struct ifaddrs *ifap, *ifa; 2218 struct ifreq isifr; 2219 2220 if (getifaddrs(&ifap) != 0) 2221 err(EXIT_FAILURE, "getifaddrs"); 2222 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2223 if (strcmp(name, ifa->ifa_name) != 0) 2224 continue; 2225 if (ifa->ifa_addr->sa_family != AF_INET) 2226 continue; 2227 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2228 continue; 2229 2230 memset(&isifr, 0, sizeof(isifr)); 2231 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2232 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2233 in_alias(&isifr); 2234 } 2235 freeifaddrs(ifap); 2236 } 2237 2238 void 2239 setifprefixlen(const char *addr, int d) 2240 { 2241 if (*afp->af_getprefix) 2242 (*afp->af_getprefix)(addr, MASK); 2243 explicit_prefix = 1; 2244 } 2245 2246 #ifdef INET6 2247 void 2248 in6_fillscopeid(struct sockaddr_in6 *sin6) 2249 { 2250 #if defined(__KAME__) && defined(KAME_SCOPEID) 2251 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2252 sin6->sin6_scope_id = 2253 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2254 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2255 } 2256 #endif 2257 } 2258 2259 /* XXX not really an alias */ 2260 void 2261 in6_alias(struct in6_ifreq *creq) 2262 { 2263 struct sockaddr_in6 *sin6; 2264 char hbuf[NI_MAXHOST]; 2265 u_int32_t scopeid; 2266 const int niflag = NI_NUMERICHOST; 2267 2268 /* Get the non-alias address for this interface. */ 2269 getsock(AF_INET6); 2270 if (s < 0) { 2271 if (errno == EPROTONOSUPPORT) 2272 return; 2273 err(EXIT_FAILURE, "socket"); 2274 } 2275 2276 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2277 2278 in6_fillscopeid(sin6); 2279 scopeid = sin6->sin6_scope_id; 2280 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2281 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2282 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2283 printf("\tinet6 %s", hbuf); 2284 2285 if (flags & IFF_POINTOPOINT) { 2286 (void) memset(&ifr6, 0, sizeof(ifr6)); 2287 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2288 ifr6.ifr_addr = creq->ifr_addr; 2289 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2290 if (errno != EADDRNOTAVAIL) 2291 warn("SIOCGIFDSTADDR_IN6"); 2292 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2293 ifr6.ifr_addr.sin6_family = AF_INET6; 2294 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2295 } 2296 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2297 in6_fillscopeid(sin6); 2298 hbuf[0] = '\0'; 2299 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2300 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2301 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2302 printf(" -> %s", hbuf); 2303 } 2304 2305 (void) memset(&ifr6, 0, sizeof(ifr6)); 2306 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2307 ifr6.ifr_addr = creq->ifr_addr; 2308 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2309 if (errno != EADDRNOTAVAIL) 2310 warn("SIOCGIFNETMASK_IN6"); 2311 } else { 2312 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2313 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2314 sizeof(struct in6_addr))); 2315 } 2316 2317 (void) memset(&ifr6, 0, sizeof(ifr6)); 2318 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2319 ifr6.ifr_addr = creq->ifr_addr; 2320 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2321 if (errno != EADDRNOTAVAIL) 2322 warn("SIOCGIFAFLAG_IN6"); 2323 } else { 2324 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2325 printf(" anycast"); 2326 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2327 printf(" tentative"); 2328 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2329 printf(" duplicated"); 2330 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2331 printf(" detached"); 2332 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2333 printf(" deprecated"); 2334 } 2335 2336 if (scopeid) 2337 printf(" scopeid 0x%x", scopeid); 2338 2339 if (Lflag) { 2340 struct in6_addrlifetime *lifetime; 2341 (void) memset(&ifr6, 0, sizeof(ifr6)); 2342 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2343 ifr6.ifr_addr = creq->ifr_addr; 2344 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2345 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2346 if (errno != EADDRNOTAVAIL) 2347 warn("SIOCGIFALIFETIME_IN6"); 2348 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2349 time_t t = time(NULL); 2350 printf(" pltime "); 2351 if (lifetime->ia6t_preferred) { 2352 printf("%s", lifetime->ia6t_preferred < t 2353 ? "0" 2354 : sec2str(lifetime->ia6t_preferred - t)); 2355 } else 2356 printf("infty"); 2357 2358 printf(" vltime "); 2359 if (lifetime->ia6t_expire) { 2360 printf("%s", lifetime->ia6t_expire < t 2361 ? "0" 2362 : sec2str(lifetime->ia6t_expire - t)); 2363 } else 2364 printf("infty"); 2365 } 2366 } 2367 2368 printf("\n"); 2369 } 2370 2371 void 2372 in6_status(int force) 2373 { 2374 struct ifaddrs *ifap, *ifa; 2375 struct in6_ifreq isifr; 2376 2377 if (getifaddrs(&ifap) != 0) 2378 err(EXIT_FAILURE, "getifaddrs"); 2379 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2380 if (strcmp(name, ifa->ifa_name) != 0) 2381 continue; 2382 if (ifa->ifa_addr->sa_family != AF_INET6) 2383 continue; 2384 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2385 continue; 2386 2387 memset(&isifr, 0, sizeof(isifr)); 2388 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2389 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2390 in6_alias(&isifr); 2391 } 2392 freeifaddrs(ifap); 2393 } 2394 #endif /*INET6*/ 2395 2396 #ifndef INET_ONLY 2397 2398 void 2399 at_status(int force) 2400 { 2401 struct sockaddr_at *sat, null_sat; 2402 struct netrange *nr; 2403 2404 getsock(AF_APPLETALK); 2405 if (s < 0) { 2406 if (errno == EPROTONOSUPPORT) 2407 return; 2408 err(EXIT_FAILURE, "socket"); 2409 } 2410 (void) memset(&ifr, 0, sizeof(ifr)); 2411 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2412 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2413 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2414 if (!force) 2415 return; 2416 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2417 } else 2418 warn("SIOCGIFADDR"); 2419 } 2420 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2421 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2422 2423 (void) memset(&null_sat, 0, sizeof(null_sat)); 2424 2425 nr = (struct netrange *) &sat->sat_zero; 2426 printf("\tatalk %d.%d range %d-%d phase %d", 2427 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2428 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2429 if (flags & IFF_POINTOPOINT) { 2430 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2431 if (errno == EADDRNOTAVAIL) 2432 (void) memset(&ifr.ifr_addr, 0, 2433 sizeof(ifr.ifr_addr)); 2434 else 2435 warn("SIOCGIFDSTADDR"); 2436 } 2437 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2438 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2439 if (!sat) 2440 sat = &null_sat; 2441 printf("--> %d.%d", 2442 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2443 } 2444 if (flags & IFF_BROADCAST) { 2445 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2446 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2447 if (sat) 2448 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2449 sat->sat_addr.s_node); 2450 } 2451 printf("\n"); 2452 } 2453 2454 void 2455 xns_status(int force) 2456 { 2457 struct sockaddr_ns *sns; 2458 2459 getsock(AF_NS); 2460 if (s < 0) { 2461 if (errno == EPROTONOSUPPORT) 2462 return; 2463 err(EXIT_FAILURE, "socket"); 2464 } 2465 (void) memset(&ifr, 0, sizeof(ifr)); 2466 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2467 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2468 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2469 if (!force) 2470 return; 2471 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2472 } else 2473 warn("SIOCGIFADDR"); 2474 } 2475 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2476 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2477 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2478 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2479 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2480 if (errno == EADDRNOTAVAIL) 2481 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2482 else 2483 warn("SIOCGIFDSTADDR"); 2484 } 2485 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2486 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2487 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2488 } 2489 printf("\n"); 2490 } 2491 2492 void 2493 iso_status(int force) 2494 { 2495 struct sockaddr_iso *siso; 2496 struct iso_ifreq isoifr; 2497 2498 getsock(AF_ISO); 2499 if (s < 0) { 2500 if (errno == EPROTONOSUPPORT) 2501 return; 2502 err(EXIT_FAILURE, "socket"); 2503 } 2504 (void) memset(&isoifr, 0, sizeof(isoifr)); 2505 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2506 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2507 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2508 if (!force) 2509 return; 2510 (void) memset(&isoifr.ifr_Addr, 0, 2511 sizeof(isoifr.ifr_Addr)); 2512 } else 2513 warn("SIOCGIFADDR_ISO"); 2514 } 2515 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2516 siso = &isoifr.ifr_Addr; 2517 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2518 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2519 if (errno == EADDRNOTAVAIL) 2520 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2521 else 2522 warn("SIOCGIFNETMASK_ISO"); 2523 } else { 2524 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2525 siso->siso_addr.isoa_len = siso->siso_len 2526 - offsetof(struct sockaddr_iso, siso_addr); 2527 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2528 } 2529 if (flags & IFF_POINTOPOINT) { 2530 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2531 if (errno == EADDRNOTAVAIL) 2532 memset(&isoifr.ifr_Addr, 0, 2533 sizeof(isoifr.ifr_Addr)); 2534 else 2535 warn("SIOCGIFDSTADDR_ISO"); 2536 } 2537 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2538 siso = &isoifr.ifr_Addr; 2539 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2540 } 2541 printf("\n"); 2542 } 2543 2544 #endif /* INET_ONLY */ 2545 2546 #define SIN(x) ((struct sockaddr_in *) &(x)) 2547 struct sockaddr_in *sintab[] = { 2548 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2549 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2550 2551 void 2552 in_getaddr(const char *str, int which) 2553 { 2554 struct sockaddr_in *gasin = sintab[which]; 2555 struct hostent *hp; 2556 struct netent *np; 2557 2558 gasin->sin_len = sizeof(*gasin); 2559 if (which != MASK) 2560 gasin->sin_family = AF_INET; 2561 2562 if (which == ADDR) { 2563 char *p = NULL; 2564 if ((p = strrchr(str, '/')) != NULL) { 2565 *p = '\0'; 2566 in_getprefix(p + 1, MASK); 2567 } 2568 } 2569 2570 if (inet_aton(str, &gasin->sin_addr) == 0) { 2571 if ((hp = gethostbyname(str)) != NULL) 2572 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2573 else if ((np = getnetbyname(str)) != NULL) 2574 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2575 else 2576 errx(EXIT_FAILURE, "%s: bad value", str); 2577 } 2578 } 2579 2580 void 2581 in_getprefix(const char *plen, int which) 2582 { 2583 register struct sockaddr_in *igsin = sintab[which]; 2584 register u_char *cp; 2585 int len = strtol(plen, (char **)NULL, 10); 2586 2587 if ((len < 0) || (len > 32)) 2588 errx(EXIT_FAILURE, "%s: bad value", plen); 2589 igsin->sin_len = sizeof(*igsin); 2590 if (which != MASK) 2591 igsin->sin_family = AF_INET; 2592 if ((len == 0) || (len == 32)) { 2593 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2594 return; 2595 } 2596 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2597 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2598 *cp++ = 0xff; 2599 if (len) 2600 *cp = 0xff << (8 - len); 2601 } 2602 2603 #ifdef INET6 2604 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2605 struct sockaddr_in6 *sin6tab[] = { 2606 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2607 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2608 2609 void 2610 in6_getaddr(const char *str, int which) 2611 { 2612 #if defined(__KAME__) && defined(KAME_SCOPEID) 2613 struct sockaddr_in6 *sin6 = sin6tab[which]; 2614 struct addrinfo hints, *res; 2615 int error; 2616 char *slash = NULL; 2617 2618 if (which == ADDR) { 2619 if ((slash = strrchr(str, '/')) != NULL) 2620 *slash = '\0'; 2621 } 2622 2623 memset(&hints, 0, sizeof(hints)); 2624 hints.ai_family = AF_INET6; 2625 hints.ai_socktype = SOCK_DGRAM; 2626 #if 0 /* in_getaddr() allows FQDN */ 2627 hints.ai_flags = AI_NUMERICHOST; 2628 #endif 2629 error = getaddrinfo(str, "0", &hints, &res); 2630 if (error && slash) { 2631 /* try again treating the '/' as part of the name */ 2632 *slash = '/'; 2633 slash = NULL; 2634 error = getaddrinfo(str, "0", &hints, &res); 2635 } 2636 if (error) 2637 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2638 if (res->ai_next) 2639 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2640 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2641 errx(EXIT_FAILURE, "%s: bad value", str); 2642 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2643 freeaddrinfo(res); 2644 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2645 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2646 htons(sin6->sin6_scope_id); 2647 sin6->sin6_scope_id = 0; 2648 } 2649 if (slash) { 2650 in6_getprefix(slash + 1, MASK); 2651 explicit_prefix = 1; 2652 } 2653 #else 2654 struct sockaddr_in6 *gasin = sin6tab[which]; 2655 2656 gasin->sin6_len = sizeof(*gasin); 2657 if (which != MASK) 2658 gasin->sin6_family = AF_INET6; 2659 2660 if (which == ADDR) { 2661 char *p = NULL; 2662 if((p = strrchr(str, '/')) != NULL) { 2663 *p = '\0'; 2664 in6_getprefix(p + 1, MASK); 2665 explicit_prefix = 1; 2666 } 2667 } 2668 2669 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2670 errx(EXIT_FAILURE, "%s: bad value", str); 2671 #endif 2672 } 2673 2674 void 2675 in6_getprefix(const char *plen, int which) 2676 { 2677 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2678 register u_char *cp; 2679 int len = strtol(plen, (char **)NULL, 10); 2680 2681 if ((len < 0) || (len > 128)) 2682 errx(EXIT_FAILURE, "%s: bad value", plen); 2683 gpsin->sin6_len = sizeof(*gpsin); 2684 if (which != MASK) 2685 gpsin->sin6_family = AF_INET6; 2686 if ((len == 0) || (len == 128)) { 2687 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2688 return; 2689 } 2690 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2691 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2692 *cp++ = 0xff; 2693 if (len) 2694 *cp = 0xff << (8 - len); 2695 } 2696 2697 int 2698 prefix(void *val, int size) 2699 { 2700 register u_char *pname = (u_char *)val; 2701 register int byte, bit, plen = 0; 2702 2703 for (byte = 0; byte < size; byte++, plen += 8) 2704 if (pname[byte] != 0xff) 2705 break; 2706 if (byte == size) 2707 return (plen); 2708 for (bit = 7; bit != 0; bit--, plen++) 2709 if (!(pname[byte] & (1 << bit))) 2710 break; 2711 for (; bit != 0; bit--) 2712 if (pname[byte] & (1 << bit)) 2713 return(0); 2714 byte++; 2715 for (; byte < size; byte++) 2716 if (pname[byte]) 2717 return(0); 2718 return (plen); 2719 } 2720 #endif /*INET6*/ 2721 2722 #ifndef INET_ONLY 2723 void 2724 at_getaddr(const char *addr, int which) 2725 { 2726 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2727 u_int net, node; 2728 2729 sat->sat_family = AF_APPLETALK; 2730 sat->sat_len = sizeof(*sat); 2731 if (which == MASK) 2732 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2733 if (sscanf(addr, "%u.%u", &net, &node) != 2 2734 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2735 errx(EXIT_FAILURE, "%s: illegal address", addr); 2736 sat->sat_addr.s_net = htons(net); 2737 sat->sat_addr.s_node = node; 2738 } 2739 2740 void 2741 setatrange(const char *range, int d) 2742 { 2743 u_short first = 123, last = 123; 2744 2745 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2746 || first == 0 /* || first > 0xffff */ 2747 || last == 0 /* || last > 0xffff */ || first > last) 2748 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2749 first, last); 2750 at_nr.nr_firstnet = htons(first); 2751 at_nr.nr_lastnet = htons(last); 2752 } 2753 2754 void 2755 setatphase(const char *phase, int d) 2756 { 2757 if (!strcmp(phase, "1")) 2758 at_nr.nr_phase = 1; 2759 else if (!strcmp(phase, "2")) 2760 at_nr.nr_phase = 2; 2761 else 2762 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2763 } 2764 2765 void 2766 checkatrange(struct sockaddr_at *sat) 2767 { 2768 if (at_nr.nr_phase == 0) 2769 at_nr.nr_phase = 2; /* Default phase 2 */ 2770 if (at_nr.nr_firstnet == 0) 2771 at_nr.nr_firstnet = /* Default range of one */ 2772 at_nr.nr_lastnet = sat->sat_addr.s_net; 2773 printf("\tatalk %d.%d range %d-%d phase %d\n", 2774 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2775 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2776 if ((u_short) ntohs(at_nr.nr_firstnet) > 2777 (u_short) ntohs(sat->sat_addr.s_net) 2778 || (u_short) ntohs(at_nr.nr_lastnet) < 2779 (u_short) ntohs(sat->sat_addr.s_net)) 2780 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2781 *((struct netrange *) &sat->sat_zero) = at_nr; 2782 } 2783 2784 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2785 struct sockaddr_ns *snstab[] = { 2786 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2787 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2788 2789 void 2790 xns_getaddr(const char *addr, int which) 2791 { 2792 struct sockaddr_ns *sns = snstab[which]; 2793 2794 sns->sns_family = AF_NS; 2795 sns->sns_len = sizeof(*sns); 2796 sns->sns_addr = ns_addr(addr); 2797 if (which == MASK) 2798 puts("Attempt to set XNS netmask will be ineffectual"); 2799 } 2800 2801 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2802 struct sockaddr_iso *sisotab[] = { 2803 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2804 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2805 2806 void 2807 iso_getaddr(const char *addr, int which) 2808 { 2809 struct sockaddr_iso *siso = sisotab[which]; 2810 siso->siso_addr = *iso_addr(addr); 2811 2812 if (which == MASK) { 2813 siso->siso_len = TSEL(siso) - (char *)(siso); 2814 siso->siso_nlen = 0; 2815 } else { 2816 siso->siso_len = sizeof(*siso); 2817 siso->siso_family = AF_ISO; 2818 } 2819 } 2820 2821 void 2822 setsnpaoffset(const char *val, int d) 2823 { 2824 iso_addreq.ifra_snpaoffset = atoi(val); 2825 } 2826 2827 void 2828 setnsellength(const char *val, int d) 2829 { 2830 nsellength = atoi(val); 2831 if (nsellength < 0) 2832 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2833 if (afp == 0 || afp->af_af != AF_ISO) 2834 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2835 } 2836 2837 void 2838 fixnsel(struct sockaddr_iso *siso) 2839 { 2840 if (siso->siso_family == 0) 2841 return; 2842 siso->siso_tlen = nsellength; 2843 } 2844 2845 void 2846 adjust_nsellength(void) 2847 { 2848 fixnsel(sisotab[RIDADDR]); 2849 fixnsel(sisotab[ADDR]); 2850 fixnsel(sisotab[DSTADDR]); 2851 } 2852 2853 #endif /* INET_ONLY */ 2854 2855 void 2856 usage(void) 2857 { 2858 const char *progname = getprogname(); 2859 2860 fprintf(stderr, 2861 "usage: %s [-m] [-v] [-z] " 2862 #ifdef INET6 2863 "[-L] " 2864 #endif 2865 "interface\n" 2866 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2867 "\t\t[ alias | -alias ] ]\n" 2868 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2869 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2870 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2871 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2872 "\t[ arp | -arp ]\n" 2873 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2874 "[ instance minst ]\n" 2875 "\t[ vlan n vlanif i ]\n" 2876 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2877 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2878 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2879 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2880 " %s -l [-b] [-d] [-u] [-s]\n" 2881 " %s -C\n" 2882 " %s interface create\n" 2883 " %s interface destroy\n", 2884 progname, progname, progname, progname, progname, progname); 2885 exit(1); 2886 } 2887 2888 #ifdef INET6 2889 char * 2890 sec2str(total) 2891 time_t total; 2892 { 2893 static char result[256]; 2894 int days, hours, mins, secs; 2895 int first = 1; 2896 char *p = result; 2897 char *end = &result[sizeof(result)]; 2898 int n; 2899 2900 if (0) { /*XXX*/ 2901 days = total / 3600 / 24; 2902 hours = (total / 3600) % 24; 2903 mins = (total / 60) % 60; 2904 secs = total % 60; 2905 2906 if (days) { 2907 first = 0; 2908 n = snprintf(p, end - p, "%dd", days); 2909 if (n < 0 || n >= end - p) 2910 return(result); 2911 p += n; 2912 } 2913 if (!first || hours) { 2914 first = 0; 2915 n = snprintf(p, end - p, "%dh", hours); 2916 if (n < 0 || n >= end - p) 2917 return(result); 2918 p += n; 2919 } 2920 if (!first || mins) { 2921 first = 0; 2922 n = snprintf(p, end - p, "%dm", mins); 2923 if (n < 0 || n >= end - p) 2924 return(result); 2925 p += n; 2926 } 2927 snprintf(p, end - p, "%ds", secs); 2928 } else 2929 snprintf(p, end - p, "%lu", (u_long)total); 2930 2931 return(result); 2932 } 2933 #endif 2934
Indexes created Tue Sep 30 11:09:46 GMT 2025