1 /* $NetBSD: ifconfig.c,v 1.184 2008/04/15 22:26:58 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 1.184 2008/04/15 22:26:58 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 <netinet/in.h> /* XXX */ 92 #include <netinet/in_var.h> /* XXX */ 93 94 #include <netdb.h> 95 96 #include <sys/protosw.h> 97 98 #include <ctype.h> 99 #include <err.h> 100 #include <errno.h> 101 #include <stddef.h> 102 #include <stdio.h> 103 #include <stdlib.h> 104 #include <string.h> 105 #include <unistd.h> 106 #include <ifaddrs.h> 107 #include <util.h> 108 109 #include "extern.h" 110 111 #ifndef INET_ONLY 112 #include "af_atalk.h" 113 #include "af_iso.h" 114 #endif /* ! INET_ONLY */ 115 #include "af_inet.h" 116 #ifdef INET6 117 #include "af_inet6.h" 118 #endif /* INET6 */ 119 120 #include "agr.h" 121 #include "carp.h" 122 #include "ieee80211.h" 123 #include "tunnel.h" 124 #include "vlan.h" 125 126 struct ifreq ifr, ridreq; 127 struct ifaliasreq addreq __attribute__((aligned(4))); 128 129 char name[30]; 130 u_short flags; 131 int setaddr, doalias; 132 u_long metric, mtu, preference; 133 int clearaddr, s; 134 int newaddr = -1; 135 int conflicting = 0; 136 int check_up_state = -1; 137 int af; 138 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 139 int hflag; 140 int have_preference = 0; 141 #ifdef INET6 142 int Lflag; 143 #endif 144 int explicit_prefix = 0; 145 146 struct ifcapreq g_ifcr; 147 int g_ifcr_updated; 148 149 void notealias(const char *, int); 150 void notrailers(const char *, int); 151 void setifaddr(const char *, int); 152 void setifdstaddr(const char *, int); 153 void setifflags(const char *, int); 154 void check_ifflags_up(const char *); 155 void setifcaps(const char *, int); 156 void setifbroadaddr(const char *, int); 157 void setifipdst(const char *, int); 158 void setifmetric(const char *, int); 159 void setifpreference(const char *, int); 160 void setifmtu(const char *, int); 161 void setifnetmask(const char *, int); 162 void setifprefixlen(const char *, int); 163 void setmedia(const char *, int); 164 void setmediamode(const char *, int); 165 void setmediaopt(const char *, int); 166 void unsetmediaopt(const char *, int); 167 void setmediainst(const char *, int); 168 void clone_create(const char *, int); 169 void clone_destroy(const char *, int); 170 int main(int, char *[]); 171 void do_setifpreference(void); 172 173 /* 174 * Media stuff. Whenever a media command is first performed, the 175 * currently select media is grabbed for this interface. If `media' 176 * is given, the current media word is modifed. `mediaopt' commands 177 * only modify the set and clear words. They then operate on the 178 * current media word later. 179 */ 180 int media_current; 181 int mediaopt_set; 182 int mediaopt_clear; 183 184 int actions; /* Actions performed */ 185 186 #define A_MEDIA 0x0001 /* media command */ 187 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 188 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 189 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 190 #define A_MEDIAINST 0x0008 /* instance or inst command */ 191 #define A_MEDIAMODE 0x0010 /* mode command */ 192 193 #define NEXTARG 0xffffff 194 #define NEXTARG2 0xfffffe 195 196 const struct cmd { 197 const char *c_name; 198 int c_parameter; /* NEXTARG means next argv */ 199 int c_action; /* defered action */ 200 void (*c_func)(const char *, int); 201 } cmds[] = { 202 { "up", IFF_UP, 0, setifflags } , 203 { "down", -IFF_UP, 0, setifflags }, 204 { "trailers", -1, 0, notrailers }, 205 { "-trailers", 1, 0, notrailers }, 206 { "arp", -IFF_NOARP, 0, setifflags }, 207 { "-arp", IFF_NOARP, 0, setifflags }, 208 { "debug", IFF_DEBUG, 0, setifflags }, 209 { "-debug", -IFF_DEBUG, 0, setifflags }, 210 { "alias", IFF_UP, 0, notealias }, 211 { "-alias", -IFF_UP, 0, notealias }, 212 { "delete", -IFF_UP, 0, notealias }, 213 { "netmask", NEXTARG, 0, setifnetmask }, 214 { "metric", NEXTARG, 0, setifmetric }, 215 { "mtu", NEXTARG, 0, setifmtu }, 216 { "bssid", NEXTARG, 0, setifbssid }, 217 { "-bssid", -1, 0, setifbssid }, 218 { "chan", NEXTARG, 0, setifchan }, 219 { "-chan", -1, 0, setifchan }, 220 { "frag", NEXTARG, 0, setiffrag }, 221 { "-frag", -1, 0, setiffrag }, 222 { "ssid", NEXTARG, 0, setifnwid }, 223 { "nwid", NEXTARG, 0, setifnwid }, 224 { "nwkey", NEXTARG, 0, setifnwkey }, 225 { "-nwkey", -1, 0, setifnwkey }, 226 { "powersave", 1, 0, setifpowersave }, 227 { "-powersave", 0, 0, setifpowersave }, 228 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 229 { "hidessid", 1, 0, sethidessid }, 230 { "-hidessid", 0, 0, sethidessid }, 231 { "apbridge", 1, 0, setapbridge }, 232 { "-apbridge", 0, 0, setapbridge }, 233 { "broadcast", NEXTARG, 0, setifbroadaddr }, 234 { "ipdst", NEXTARG, 0, setifipdst }, 235 { "prefixlen", NEXTARG, 0, setifprefixlen}, 236 { "preference", NEXTARG, 0, setifpreference}, 237 { "list", NEXTARG, 0, setiflist}, 238 #ifndef INET_ONLY 239 /* CARP */ 240 { "advbase", NEXTARG, 0, setcarp_advbase }, 241 { "advskew", NEXTARG, 0, setcarp_advskew }, 242 { "pass", NEXTARG, 0, setcarp_passwd }, 243 { "vhid", NEXTARG, 0, setcarp_vhid }, 244 { "state", NEXTARG, 0, setcarp_state }, 245 { "carpdev", NEXTARG, 0, setcarpdev }, 246 { "-carpdev", 1, 0, unsetcarpdev }, 247 #endif 248 #ifdef INET6 249 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 250 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 251 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 252 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 253 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 254 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 255 { "pltime", NEXTARG, 0, setia6pltime }, 256 { "vltime", NEXTARG, 0, setia6vltime }, 257 { "eui64", 0, 0, setia6eui64 }, 258 #endif /*INET6*/ 259 #ifndef INET_ONLY 260 { "range", NEXTARG, 0, setatrange }, 261 { "phase", NEXTARG, 0, setatphase }, 262 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 263 { "nsellength", NEXTARG, 0, setnsellength }, 264 #endif /* INET_ONLY */ 265 { "tunnel", NEXTARG2, 0, (void (*)(const char *, int)) 266 settunnel } , 267 { "deletetunnel", 0, 0, deletetunnel }, 268 { "vlan", NEXTARG, 0, setvlan } , 269 { "vlanif", NEXTARG, 0, setvlanif } , 270 { "-vlanif", 0, 0, unsetvlanif } , 271 #if 0 272 /* XXX `create' special-cased below */ 273 { "create", 0, 0, clone_create } , 274 #endif 275 { "destroy", 0, 0, clone_destroy } , 276 { "link0", IFF_LINK0, 0, setifflags } , 277 { "-link0", -IFF_LINK0, 0, setifflags } , 278 { "link1", IFF_LINK1, 0, setifflags } , 279 { "-link1", -IFF_LINK1, 0, setifflags } , 280 { "link2", IFF_LINK2, 0, setifflags } , 281 { "-link2", -IFF_LINK2, 0, setifflags } , 282 { "media", NEXTARG, A_MEDIA, setmedia }, 283 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 284 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 285 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 286 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 287 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 288 { "ip4csum-tx", IFCAP_CSUM_IPv4_Tx,0, setifcaps }, 289 { "-ip4csum-tx",-IFCAP_CSUM_IPv4_Tx,0, setifcaps }, 290 { "ip4csum-rx", IFCAP_CSUM_IPv4_Rx,0, setifcaps }, 291 { "-ip4csum-rx",-IFCAP_CSUM_IPv4_Rx,0, setifcaps }, 292 { "tcp4csum-tx",IFCAP_CSUM_TCPv4_Tx,0, setifcaps }, 293 { "-tcp4csum-tx",-IFCAP_CSUM_TCPv4_Tx,0, setifcaps }, 294 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 295 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 296 { "udp4csum-tx",IFCAP_CSUM_UDPv4_Tx,0, setifcaps }, 297 { "-udp4csum-tx",-IFCAP_CSUM_UDPv4_Tx,0, setifcaps }, 298 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 299 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 300 { "tcp6csum-tx",IFCAP_CSUM_TCPv6_Tx,0, setifcaps }, 301 { "-tcp6csum-tx",-IFCAP_CSUM_TCPv6_Tx,0, setifcaps }, 302 { "tcp6csum-rx",IFCAP_CSUM_TCPv6_Rx,0, setifcaps }, 303 { "-tcp6csum-rx",-IFCAP_CSUM_TCPv6_Rx,0, setifcaps }, 304 { "udp6csum-tx",IFCAP_CSUM_UDPv6_Tx,0, setifcaps }, 305 { "-udp6csum-tx",-IFCAP_CSUM_UDPv6_Tx,0, setifcaps }, 306 { "udp6csum-rx",IFCAP_CSUM_UDPv6_Rx,0, setifcaps }, 307 { "-udp6csum-rx",-IFCAP_CSUM_UDPv6_Rx,0, setifcaps }, 308 { "ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx, 309 0, setifcaps }, 310 { "-ip4csum", -(IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx), 311 0, setifcaps }, 312 { "tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx, 313 0, setifcaps }, 314 { "-tcp4csum", -(IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx), 315 0, setifcaps }, 316 { "udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx, 317 0, setifcaps }, 318 { "-udp4csum", -(IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx), 319 0, setifcaps }, 320 { "tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx, 321 0, setifcaps }, 322 { "-tcp6csum", -(IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx), 323 0, setifcaps }, 324 { "udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx, 325 0, setifcaps }, 326 { "-udp6csum", -(IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx), 327 0, setifcaps }, 328 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 329 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 330 { "tso6", IFCAP_TSOv6, 0, setifcaps }, 331 { "-tso6", -IFCAP_TSOv6, 0, setifcaps }, 332 { "agrport", NEXTARG, 0, agraddport } , 333 { "-agrport", NEXTARG, 0, agrremport } , 334 { NULL, 0, 0, setifaddr }, 335 { NULL, 0, 0, setifdstaddr }, 336 }; 337 338 int getinfo(struct ifreq *); 339 int carrier(void); 340 void printall(const char *); 341 void list_cloners(void); 342 void status(const struct sockaddr_dl *); 343 void usage(void); 344 345 void print_media_word(int, const char *); 346 void process_media_commands(void); 347 void init_current_media(void); 348 349 /* Known address families */ 350 const struct afswtch afs[] = { 351 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 352 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 353 #ifdef INET6 354 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 355 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 356 /* 357 * Deleting the first address before setting new one is 358 * not prefered way in this protocol. 359 */ 360 0, 361 &in6_ridreq, &in6_addreq }, 362 #endif 363 #ifndef INET_ONLY /* small version, for boot media */ 364 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 365 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 366 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 367 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 368 &iso_ridreq, &iso_addreq }, 369 #endif /* INET_ONLY */ 370 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } 371 }; 372 373 const struct afswtch *afp; /*the address family being set or asked about*/ 374 375 int 376 main(int argc, char *argv[]) 377 { 378 int ch; 379 380 /* Parse command-line options */ 381 aflag = mflag = vflag = zflag = 0; 382 while ((ch = getopt(argc, argv, "AabCdhlmsuvz" 383 #ifdef INET6 384 "L" 385 #endif 386 )) != -1) { 387 switch (ch) { 388 case 'A': 389 warnx("-A is deprecated"); 390 break; 391 392 case 'a': 393 aflag = 1; 394 break; 395 396 case 'b': 397 bflag = 1; 398 break; 399 400 case 'C': 401 Cflag = 1; 402 break; 403 404 case 'd': 405 dflag = 1; 406 break; 407 case 'h': 408 hflag = 1; 409 break; 410 #ifdef INET6 411 case 'L': 412 Lflag = 1; 413 break; 414 #endif 415 416 case 'l': 417 lflag = 1; 418 break; 419 420 case 'm': 421 mflag = 1; 422 break; 423 424 case 's': 425 sflag = 1; 426 break; 427 428 case 'u': 429 uflag = 1; 430 break; 431 432 case 'v': 433 vflag = 1; 434 break; 435 436 case 'z': 437 zflag = 1; 438 break; 439 440 441 default: 442 usage(); 443 /* NOTREACHED */ 444 } 445 } 446 argc -= optind; 447 argv += optind; 448 449 /* 450 * -l means "list all interfaces", and is mutally exclusive with 451 * all other flags/commands. 452 * 453 * -C means "list all names of cloners", and it mutually exclusive 454 * with all other flags/commands. 455 * 456 * -a means "print status of all interfaces". 457 */ 458 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 459 usage(); 460 #ifdef INET6 461 if ((lflag || Cflag) && Lflag) 462 usage(); 463 #endif 464 if (lflag && Cflag) 465 usage(); 466 if (Cflag) { 467 if (argc) 468 usage(); 469 list_cloners(); 470 exit(0); 471 } 472 if (aflag || lflag) { 473 if (argc > 1) 474 usage(); 475 else if (argc == 1) { 476 afp = lookup_af_byname(argv[0]); 477 if (afp == NULL) 478 usage(); 479 } 480 if (afp) 481 af = ifr.ifr_addr.sa_family = afp->af_af; 482 else 483 af = ifr.ifr_addr.sa_family = afs[0].af_af; 484 printall(NULL); 485 exit(0); 486 } 487 488 /* Make sure there's an interface name. */ 489 if (argc < 1) 490 usage(); 491 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 492 errx(1, "interface name '%s' too long", argv[0]); 493 argc--; argv++; 494 495 /* 496 * NOTE: We must special-case the `create' command right 497 * here as we would otherwise fail in getinfo(). 498 */ 499 if (argc > 0 && strcmp(argv[0], "create") == 0) { 500 clone_create(argv[0], 0); 501 argc--, argv++; 502 if (argc == 0) 503 exit(0); 504 } 505 506 /* Check for address family. */ 507 afp = NULL; 508 if (argc > 0) { 509 afp = lookup_af_byname(argv[0]); 510 if (afp != NULL) { 511 argv++; 512 argc--; 513 } 514 } 515 516 /* Initialize af, just for use in getinfo(). */ 517 if (afp == NULL) 518 af = afs->af_af; 519 else 520 af = afp->af_af; 521 522 /* Get information about the interface. */ 523 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 524 if (getinfo(&ifr) < 0) 525 exit(1); 526 527 if (sflag) { 528 if (argc != 0) 529 usage(); 530 else 531 exit(carrier()); 532 } 533 534 /* No more arguments means interface status. */ 535 if (argc == 0) { 536 printall(name); 537 exit(0); 538 } 539 540 /* The following operations assume inet family as the default. */ 541 if (afp == NULL) 542 afp = afs; 543 af = ifr.ifr_addr.sa_family = afp->af_af; 544 545 /* Process commands. */ 546 for (; argc > 0; argc--, argv++) { 547 const struct cmd *p; 548 549 for (p = cmds; p->c_name != NULL; p++) { 550 if (strcmp(argv[0], p->c_name) == 0) 551 break; 552 } 553 if (p->c_name == NULL && setaddr) { 554 if ((flags & IFF_POINTOPOINT) == 0) { 555 errx(EXIT_FAILURE, 556 "can't set destination address %s", 557 "on non-point-to-point link"); 558 } 559 p++; /* got src, do dst */ 560 } 561 if (p->c_func == NULL) 562 continue; 563 if (p->c_parameter == NEXTARG) { 564 if (argc < 2) 565 errx(EXIT_FAILURE, "'%s' requires argument", 566 p->c_name); 567 (*p->c_func)(argv[1], 0); 568 argc--, argv++; 569 } else if (p->c_parameter == NEXTARG2) { 570 if (argc < 3) 571 errx(EXIT_FAILURE, "'%s' requires 2 arguments", 572 p->c_name); 573 ((void (*)(const char *, const char *)) 574 *p->c_func)(argv[1], argv[2]); 575 argc -= 2, argv += 2; 576 } else 577 (*p->c_func)(argv[0], p->c_parameter); 578 actions |= p->c_action; 579 } 580 581 /* 582 * See if multiple alias, -alias, or delete commands were 583 * specified. More than one constitutes an invalid command line 584 */ 585 586 if (conflicting > 1) 587 errx(EXIT_FAILURE, 588 "Only one use of alias, -alias or delete is valid."); 589 590 /* Process any media commands that may have been issued. */ 591 process_media_commands(); 592 593 if (af == AF_INET6 && explicit_prefix == 0) { 594 /* 595 * Aggregatable address architecture defines all prefixes 596 * are 64. So, it is convenient to set prefixlen to 64 if 597 * it is not specified. 598 */ 599 setifprefixlen("64", 0); 600 /* in6_getprefix("64", MASK) if MASK is available here... */ 601 } 602 603 #ifndef INET_ONLY 604 if (af == AF_APPLETALK) 605 checkatrange(&addreq.ifra_addr); 606 #endif /* INET_ONLY */ 607 608 if (clearaddr) { 609 estrlcpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 610 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 611 err(EXIT_FAILURE, "SIOCDIFADDR"); 612 } 613 if (newaddr > 0) { 614 estrlcpy(afp->af_addreq, name, sizeof ifr.ifr_name); 615 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 616 warn("SIOCAIFADDR"); 617 else if (check_up_state < 0) 618 check_up_state = 1; 619 } 620 621 if (have_preference) 622 do_setifpreference(); 623 if (g_ifcr_updated) { 624 strlcpy(g_ifcr.ifcr_name, name, 625 sizeof(g_ifcr.ifcr_name)); 626 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 627 err(EXIT_FAILURE, "SIOCSIFCAP"); 628 } 629 630 if (check_up_state == 1) 631 check_ifflags_up(name); 632 633 exit(0); 634 } 635 636 const struct afswtch * 637 lookup_af_byname(const char *cp) 638 { 639 const struct afswtch *a; 640 641 for (a = afs; a->af_name != NULL; a++) 642 if (strcmp(a->af_name, cp) == 0) 643 return (a); 644 return (NULL); 645 } 646 647 const struct afswtch * 648 lookup_af_bynum(int afnum) 649 { 650 const struct afswtch *a; 651 652 for (a = afs; a->af_name != NULL; a++) 653 if (a->af_af == afnum) 654 return (a); 655 return (NULL); 656 } 657 658 void 659 getsock(int naf) 660 { 661 static int oaf = -1; 662 663 if (oaf == naf) 664 return; 665 if (oaf != -1) 666 close(s); 667 s = socket(naf, SOCK_DGRAM, 0); 668 if (s < 0) 669 oaf = -1; 670 else 671 oaf = naf; 672 } 673 674 int 675 getinfo(struct ifreq *giifr) 676 { 677 678 getsock(af); 679 if (s < 0) 680 err(EXIT_FAILURE, "socket"); 681 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 682 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 683 return (-1); 684 } 685 flags = giifr->ifr_flags; 686 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 687 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 688 metric = 0; 689 } else 690 metric = giifr->ifr_metric; 691 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 692 mtu = 0; 693 else 694 mtu = giifr->ifr_mtu; 695 696 memset(&g_ifcr, 0, sizeof(g_ifcr)); 697 estrlcpy(g_ifcr.ifcr_name, giifr->ifr_name, sizeof(g_ifcr.ifcr_name)); 698 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 699 700 return (0); 701 } 702 703 void 704 printall(const char *ifname) 705 { 706 struct ifaddrs *ifap, *ifa; 707 struct ifreq paifr; 708 const struct sockaddr_dl *sdl = NULL; 709 int idx; 710 char *p; 711 712 if (getifaddrs(&ifap) != 0) 713 err(EXIT_FAILURE, "getifaddrs"); 714 p = NULL; 715 idx = 0; 716 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 717 memset(&paifr, 0, sizeof(paifr)); 718 estrlcpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 719 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 720 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 721 ifa->ifa_addr->sa_len); 722 } 723 724 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 725 continue; 726 if (ifa->ifa_addr->sa_family == AF_LINK) 727 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 728 if (p && strcmp(p, ifa->ifa_name) == 0) 729 continue; 730 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 731 continue; 732 p = ifa->ifa_name; 733 734 if (getinfo(&paifr) < 0) 735 continue; 736 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 737 continue; 738 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 739 continue; 740 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 741 continue; 742 743 if (sflag && carrier()) 744 continue; 745 idx++; 746 /* 747 * Are we just listing the interfaces? 748 */ 749 if (lflag) { 750 if (idx > 1) 751 printf(" "); 752 fputs(name, stdout); 753 continue; 754 } 755 756 status(sdl); 757 sdl = NULL; 758 } 759 if (lflag) 760 printf("\n"); 761 freeifaddrs(ifap); 762 } 763 764 void 765 list_cloners(void) 766 { 767 struct if_clonereq ifcr; 768 char *cp, *buf; 769 int idx; 770 771 memset(&ifcr, 0, sizeof(ifcr)); 772 773 getsock(AF_INET); 774 775 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 776 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 777 778 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 779 if (buf == NULL) 780 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 781 782 ifcr.ifcr_count = ifcr.ifcr_total; 783 ifcr.ifcr_buffer = buf; 784 785 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 786 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 787 788 /* 789 * In case some disappeared in the mean time, clamp it down. 790 */ 791 if (ifcr.ifcr_count > ifcr.ifcr_total) 792 ifcr.ifcr_count = ifcr.ifcr_total; 793 794 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 795 if (idx > 0) 796 printf(" "); 797 printf("%s", cp); 798 } 799 800 printf("\n"); 801 free(buf); 802 return; 803 } 804 805 /*ARGSUSED*/ 806 void 807 clone_create(const char *addr, int param) 808 { 809 810 /* We're called early... */ 811 getsock(AF_INET); 812 813 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 814 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 815 err(EXIT_FAILURE, "SIOCIFCREATE"); 816 } 817 818 /*ARGSUSED*/ 819 void 820 clone_destroy(const char *addr, int param) 821 { 822 823 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 824 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 825 err(EXIT_FAILURE, "SIOCIFDESTROY"); 826 } 827 828 /*ARGSUSED*/ 829 void 830 setifaddr(const char *addr, int param) 831 { 832 struct ifreq *siifr; /* XXX */ 833 834 /* 835 * Delay the ioctl to set the interface addr until flags are all set. 836 * The address interpretation may depend on the flags, 837 * and the flags may change when the address is set. 838 */ 839 setaddr++; 840 if (newaddr == -1) 841 newaddr = 1; 842 if (doalias == 0 && afp->af_gifaddr != 0) { 843 siifr = (struct ifreq *)afp->af_ridreq; 844 estrlcpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 845 siifr->ifr_addr.sa_family = afp->af_af; 846 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 847 clearaddr = 1; 848 else if (errno == EADDRNOTAVAIL) 849 /* No address was assigned yet. */ 850 ; 851 else 852 err(EXIT_FAILURE, "SIOCGIFADDR"); 853 } 854 855 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 856 } 857 858 void 859 setifnetmask(const char *addr, int d) 860 { 861 (*afp->af_getaddr)(addr, MASK); 862 } 863 864 void 865 setifbroadaddr(const char *addr, int d) 866 { 867 (*afp->af_getaddr)(addr, DSTADDR); 868 } 869 870 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 871 /*ARGSUSED*/ 872 void 873 notealias(const char *addr, int param) 874 { 875 if (setaddr && doalias == 0 && param < 0) 876 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 877 rqtosa(af_addreq)->sa_len); 878 doalias = param; 879 if (param < 0) { 880 clearaddr = 1; 881 newaddr = 0; 882 conflicting++; 883 } else { 884 clearaddr = 0; 885 conflicting++; 886 } 887 } 888 889 /*ARGSUSED*/ 890 void 891 notrailers(const char *vname, int value) 892 { 893 puts("Note: trailers are no longer sent, but always received"); 894 } 895 896 /*ARGSUSED*/ 897 void 898 setifdstaddr(const char *addr, int param) 899 { 900 (*afp->af_getaddr)(addr, DSTADDR); 901 } 902 903 void 904 check_ifflags_up(const char *vname) 905 { 906 struct ifreq ifreq; 907 908 estrlcpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 909 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 910 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 911 if (ifreq.ifr_flags & IFF_UP) 912 return; 913 ifreq.ifr_flags |= IFF_UP; 914 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 915 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 916 } 917 918 void 919 setifflags(const char *vname, int value) 920 { 921 struct ifreq ifreq; 922 923 estrlcpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 924 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 925 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 926 flags = ifreq.ifr_flags; 927 928 if (value < 0) { 929 value = -value; 930 if (value == IFF_UP) 931 check_up_state = 0; 932 flags &= ~value; 933 } else 934 flags |= value; 935 ifreq.ifr_flags = flags; 936 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 937 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 938 } 939 940 void 941 setifcaps(const char *vname, int value) 942 { 943 944 if (value < 0) { 945 value = -value; 946 g_ifcr.ifcr_capenable &= ~value; 947 } else 948 g_ifcr.ifcr_capenable |= value; 949 950 g_ifcr_updated = 1; 951 } 952 953 void 954 setifmetric(const char *val, int d) 955 { 956 char *ep = NULL; 957 958 estrlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 959 ifr.ifr_metric = strtoul(val, &ep, 10); 960 if (!ep || *ep) 961 errx(EXIT_FAILURE, "%s: invalid metric", val); 962 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 963 warn("SIOCSIFMETRIC"); 964 } 965 966 void 967 setifpreference(const char *val, int d) 968 { 969 char *end = NULL; 970 if (setaddr <= 0) { 971 errx(EXIT_FAILURE, 972 "set address preference: first specify an address"); 973 } 974 preference = strtoul(val, &end, 10); 975 if (end == NULL || *end != '\0' || preference > UINT16_MAX) 976 errx(EXIT_FAILURE, "invalid preference %s", val); 977 have_preference = 1; 978 } 979 980 void 981 do_setifpreference(void) 982 { 983 struct if_addrprefreq ifap; 984 (void)strncpy(ifap.ifap_name, name, sizeof(ifap.ifap_name)); 985 ifap.ifap_preference = (uint16_t)preference; 986 (void)memcpy(&ifap.ifap_addr, rqtosa(af_addreq), 987 MIN(sizeof(ifap.ifap_addr), rqtosa(af_addreq)->sa_len)); 988 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1) 989 warn("SIOCSIFADDRPREF"); 990 } 991 992 void 993 setifmtu(const char *val, int d) 994 { 995 char *ep = NULL; 996 997 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 998 ifr.ifr_mtu = strtoul(val, &ep, 10); 999 if (!ep || *ep) 1000 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1001 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1002 warn("SIOCSIFMTU"); 1003 } 1004 1005 const char * 1006 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1007 { 1008 int len; 1009 int hexstr; 1010 u_int8_t *p; 1011 1012 len = *lenp; 1013 p = buf; 1014 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1015 if (hexstr) 1016 val += 2; 1017 for (;;) { 1018 if (*val == '\0') 1019 break; 1020 if (sep != NULL && strchr(sep, *val) != NULL) { 1021 val++; 1022 break; 1023 } 1024 if (hexstr) { 1025 if (!isxdigit((u_char)val[0]) || 1026 !isxdigit((u_char)val[1])) { 1027 warnx("bad hexadecimal digits"); 1028 return NULL; 1029 } 1030 } 1031 if (p > buf + len) { 1032 if (hexstr) 1033 warnx("hexadecimal digits too long"); 1034 else 1035 warnx("strings too long"); 1036 return NULL; 1037 } 1038 if (hexstr) { 1039 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1040 *p++ = (tohex((u_char)val[0]) << 4) | 1041 tohex((u_char)val[1]); 1042 #undef tohex 1043 val += 2; 1044 } else 1045 *p++ = *val++; 1046 } 1047 len = p - buf; 1048 if (len < *lenp) 1049 memset(p, 0, *lenp - len); 1050 *lenp = len; 1051 return val; 1052 } 1053 1054 void 1055 print_string(const u_int8_t *buf, int len) 1056 { 1057 int i; 1058 int hasspc; 1059 1060 i = 0; 1061 hasspc = 0; 1062 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1063 for (; i < len; i++) { 1064 if (!isprint(buf[i])) 1065 break; 1066 if (isspace(buf[i])) 1067 hasspc++; 1068 } 1069 } 1070 if (i == len) { 1071 if (hasspc || len == 0) 1072 printf("\"%.*s\"", len, buf); 1073 else 1074 printf("%.*s", len, buf); 1075 } else { 1076 printf("0x"); 1077 for (i = 0; i < len; i++) 1078 printf("%02x", buf[i]); 1079 } 1080 } 1081 1082 static void 1083 media_error(int type, const char *val, const char *opt) 1084 { 1085 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1086 get_media_type_string(type), opt, val); 1087 } 1088 1089 void 1090 init_current_media(void) 1091 { 1092 struct ifmediareq ifmr; 1093 1094 /* 1095 * If we have not yet done so, grab the currently-selected 1096 * media. 1097 */ 1098 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1099 (void) memset(&ifmr, 0, sizeof(ifmr)); 1100 estrlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1101 1102 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1103 /* 1104 * If we get E2BIG, the kernel is telling us 1105 * that there are more, so we can ignore it. 1106 */ 1107 if (errno != E2BIG) 1108 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1109 } 1110 1111 media_current = ifmr.ifm_current; 1112 } 1113 1114 /* Sanity. */ 1115 if (IFM_TYPE(media_current) == 0) 1116 errx(EXIT_FAILURE, "%s: no link type?", name); 1117 } 1118 1119 void 1120 process_media_commands(void) 1121 { 1122 1123 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1124 /* Nothing to do. */ 1125 return; 1126 } 1127 1128 /* 1129 * Media already set up, and commands sanity-checked. Set/clear 1130 * any options, and we're ready to go. 1131 */ 1132 media_current |= mediaopt_set; 1133 media_current &= ~mediaopt_clear; 1134 1135 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1136 ifr.ifr_media = media_current; 1137 1138 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1139 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1140 } 1141 1142 void 1143 setmedia(const char *val, int d) 1144 { 1145 int type, subtype, inst; 1146 1147 init_current_media(); 1148 1149 /* Only one media command may be given. */ 1150 if (actions & A_MEDIA) 1151 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1152 1153 /* Must not come after mode commands */ 1154 if (actions & A_MEDIAMODE) 1155 errx(EXIT_FAILURE, 1156 "may not issue `media' after `mode' commands"); 1157 1158 /* Must not come after mediaopt commands */ 1159 if (actions & A_MEDIAOPT) 1160 errx(EXIT_FAILURE, 1161 "may not issue `media' after `mediaopt' commands"); 1162 1163 /* 1164 * No need to check if `instance' has been issued; setmediainst() 1165 * craps out if `media' has not been specified. 1166 */ 1167 1168 type = IFM_TYPE(media_current); 1169 inst = IFM_INST(media_current); 1170 1171 /* Look up the subtype. */ 1172 subtype = get_media_subtype(type, val); 1173 if (subtype == -1) 1174 media_error(type, val, "subtype"); 1175 1176 /* Build the new current media word. */ 1177 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1178 1179 /* Media will be set after other processing is complete. */ 1180 } 1181 1182 void 1183 setmediaopt(const char *val, int d) 1184 { 1185 char *invalid; 1186 1187 init_current_media(); 1188 1189 /* Can only issue `mediaopt' once. */ 1190 if (actions & A_MEDIAOPTSET) 1191 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1192 1193 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1194 if (actions & A_MEDIAINST) 1195 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1196 1197 mediaopt_set = get_media_options(media_current, val, &invalid); 1198 if (mediaopt_set == -1) 1199 media_error(media_current, invalid, "option"); 1200 1201 /* Media will be set after other processing is complete. */ 1202 } 1203 1204 void 1205 unsetmediaopt(const char *val, int d) 1206 { 1207 char *invalid; 1208 1209 init_current_media(); 1210 1211 /* Can only issue `-mediaopt' once. */ 1212 if (actions & A_MEDIAOPTCLR) 1213 errx(EXIT_FAILURE, 1214 "only one `-mediaopt' command may be issued"); 1215 1216 /* May not issue `media' and `-mediaopt'. */ 1217 if (actions & A_MEDIA) 1218 errx(EXIT_FAILURE, 1219 "may not issue both `media' and `-mediaopt'"); 1220 1221 /* 1222 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1223 * implicitly checks for A_MEDIAINST. 1224 */ 1225 1226 mediaopt_clear = get_media_options(media_current, val, &invalid); 1227 if (mediaopt_clear == -1) 1228 media_error(media_current, invalid, "option"); 1229 1230 /* Media will be set after other processing is complete. */ 1231 } 1232 1233 void 1234 setmediainst(const char *val, int d) 1235 { 1236 int type, subtype, options, inst; 1237 1238 init_current_media(); 1239 1240 /* Can only issue `instance' once. */ 1241 if (actions & A_MEDIAINST) 1242 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1243 1244 /* Must have already specified `media' */ 1245 if ((actions & A_MEDIA) == 0) 1246 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1247 1248 type = IFM_TYPE(media_current); 1249 subtype = IFM_SUBTYPE(media_current); 1250 options = IFM_OPTIONS(media_current); 1251 1252 inst = atoi(val); 1253 if (inst < 0 || inst > IFM_INST_MAX) 1254 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1255 1256 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1257 1258 /* Media will be set after other processing is complete. */ 1259 } 1260 1261 void 1262 setmediamode(const char *val, int d) 1263 { 1264 int type, subtype, options, inst, mode; 1265 1266 init_current_media(); 1267 1268 /* Can only issue `mode' once. */ 1269 if (actions & A_MEDIAMODE) 1270 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1271 1272 type = IFM_TYPE(media_current); 1273 subtype = IFM_SUBTYPE(media_current); 1274 options = IFM_OPTIONS(media_current); 1275 inst = IFM_INST(media_current); 1276 1277 mode = get_media_mode(type, val); 1278 if (mode == -1) 1279 media_error(type, val, "mode"); 1280 1281 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1282 1283 /* Media will be set after other processing is complete. */ 1284 } 1285 1286 void 1287 print_media_word(int ifmw, const char *opt_sep) 1288 { 1289 const char *str; 1290 1291 printf("%s", get_media_subtype_string(ifmw)); 1292 1293 /* Find mode. */ 1294 if (IFM_MODE(ifmw) != 0) { 1295 str = get_media_mode_string(ifmw); 1296 if (str != NULL) 1297 printf(" mode %s", str); 1298 } 1299 1300 /* Find options. */ 1301 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1302 printf("%s%s", opt_sep, str); 1303 1304 if (IFM_INST(ifmw) != 0) 1305 printf(" instance %d", IFM_INST(ifmw)); 1306 } 1307 1308 int 1309 carrier(void) 1310 { 1311 struct ifmediareq ifmr; 1312 1313 (void) memset(&ifmr, 0, sizeof(ifmr)); 1314 estrlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1315 1316 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1317 /* 1318 * Interface doesn't support SIOC{G,S}IFMEDIA; 1319 * assume ok. 1320 */ 1321 return 0; 1322 } 1323 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1324 /* 1325 * Interface doesn't report media-valid status. 1326 * assume ok. 1327 */ 1328 return 0; 1329 } 1330 /* otherwise, return ok for active, not-ok if not active. */ 1331 return !(ifmr.ifm_status & IFM_ACTIVE); 1332 } 1333 1334 1335 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1336 1337 const struct ifmedia_status_description ifm_status_descriptions[] = 1338 IFM_STATUS_DESCRIPTIONS; 1339 1340 /* 1341 * Print the status of the interface. If an address family was 1342 * specified, show it and it only; otherwise, show them all. 1343 */ 1344 void 1345 status(const struct sockaddr_dl *sdl) 1346 { 1347 const struct afswtch *p = afp; 1348 struct ifmediareq ifmr; 1349 struct ifdatareq ifdr; 1350 int *media_list, i; 1351 char hbuf[NI_MAXHOST]; 1352 char fbuf[BUFSIZ]; 1353 1354 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1355 printf("%s: flags=%s", name, &fbuf[2]); 1356 if (metric) 1357 printf(" metric %lu", metric); 1358 if (mtu) 1359 printf(" mtu %lu", mtu); 1360 printf("\n"); 1361 1362 if (g_ifcr.ifcr_capabilities) { 1363 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1364 g_ifcr.ifcr_capabilities); 1365 printf("\tcapabilities=%s\n", &fbuf[2]); 1366 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1367 g_ifcr.ifcr_capenable); 1368 printf("\tenabled=%s\n", &fbuf[2]); 1369 } 1370 1371 ieee80211_status(); 1372 vlan_status(); 1373 #ifndef INET_ONLY 1374 carp_status(); 1375 #endif 1376 tunnel_status(); 1377 agr_status(); 1378 1379 if (sdl != NULL && 1380 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1381 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1382 hbuf[0] != '\0') 1383 printf("\taddress: %s\n", hbuf); 1384 1385 (void) memset(&ifmr, 0, sizeof(ifmr)); 1386 estrlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1387 1388 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1389 /* 1390 * Interface doesn't support SIOC{G,S}IFMEDIA. 1391 */ 1392 goto iface_stats; 1393 } 1394 1395 if (ifmr.ifm_count == 0) { 1396 warnx("%s: no media types?", name); 1397 goto iface_stats; 1398 } 1399 1400 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1401 if (media_list == NULL) 1402 err(EXIT_FAILURE, "malloc"); 1403 ifmr.ifm_ulist = media_list; 1404 1405 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1406 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1407 1408 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1409 print_media_word(ifmr.ifm_current, " "); 1410 if (ifmr.ifm_active != ifmr.ifm_current) { 1411 printf(" ("); 1412 print_media_word(ifmr.ifm_active, " "); 1413 printf(")"); 1414 } 1415 printf("\n"); 1416 1417 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1418 const struct ifmedia_status_description *ifms; 1419 int bitno, found = 0; 1420 1421 printf("\tstatus: "); 1422 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1423 for (ifms = ifm_status_descriptions; 1424 ifms->ifms_valid != 0; ifms++) { 1425 if (ifms->ifms_type != 1426 IFM_TYPE(ifmr.ifm_current) || 1427 ifms->ifms_valid != 1428 ifm_status_valid_list[bitno]) 1429 continue; 1430 printf("%s%s", found ? ", " : "", 1431 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1432 found = 1; 1433 1434 /* 1435 * For each valid indicator bit, there's 1436 * only one entry for each media type, so 1437 * terminate the inner loop now. 1438 */ 1439 break; 1440 } 1441 } 1442 1443 if (found == 0) 1444 printf("unknown"); 1445 printf("\n"); 1446 } 1447 1448 if (mflag) { 1449 int type, printed_type; 1450 1451 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1452 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1453 if (IFM_TYPE(media_list[i]) != type) 1454 continue; 1455 if (printed_type == 0) { 1456 printf("\tsupported %s media:\n", 1457 get_media_type_string(type)); 1458 printed_type = 1; 1459 } 1460 printf("\t\tmedia "); 1461 print_media_word(media_list[i], " mediaopt "); 1462 printf("\n"); 1463 } 1464 } 1465 } 1466 1467 free(media_list); 1468 1469 iface_stats: 1470 if (!vflag && !zflag) 1471 goto proto_status; 1472 1473 estrlcpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1474 1475 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1476 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1477 } else { 1478 struct if_data * const ifi = &ifdr.ifdr_data; 1479 char buf[5]; 1480 1481 #define PLURAL(n) ((n) == 1 ? "" : "s") 1482 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s") 1483 printf("\tinput: %llu packet%s, ", 1484 (unsigned long long) ifi->ifi_ipackets, 1485 PLURAL(ifi->ifi_ipackets)); 1486 if (hflag) { 1487 (void) humanize_number(buf, sizeof(buf), 1488 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE, 1489 HN_NOSPACE | HN_DECIMAL); 1490 printf("%s byte%s", buf, 1491 PLURALSTR(buf)); 1492 } else 1493 printf("%llu byte%s", 1494 (unsigned long long) ifi->ifi_ibytes, 1495 PLURAL(ifi->ifi_ibytes)); 1496 if (ifi->ifi_imcasts) 1497 printf(", %llu multicast%s", 1498 (unsigned long long) ifi->ifi_imcasts, 1499 PLURAL(ifi->ifi_imcasts)); 1500 if (ifi->ifi_ierrors) 1501 printf(", %llu error%s", 1502 (unsigned long long) ifi->ifi_ierrors, 1503 PLURAL(ifi->ifi_ierrors)); 1504 if (ifi->ifi_iqdrops) 1505 printf(", %llu queue drop%s", 1506 (unsigned long long) ifi->ifi_iqdrops, 1507 PLURAL(ifi->ifi_iqdrops)); 1508 if (ifi->ifi_noproto) 1509 printf(", %llu unknown protocol", 1510 (unsigned long long) ifi->ifi_noproto); 1511 printf("\n\toutput: %llu packet%s, ", 1512 (unsigned long long) ifi->ifi_opackets, 1513 PLURAL(ifi->ifi_opackets)); 1514 if (hflag) { 1515 (void) humanize_number(buf, sizeof(buf), 1516 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE, 1517 HN_NOSPACE | HN_DECIMAL); 1518 printf("%s byte%s", buf, 1519 PLURALSTR(buf)); 1520 } else 1521 printf("%llu byte%s", 1522 (unsigned long long) ifi->ifi_obytes, 1523 PLURAL(ifi->ifi_obytes)); 1524 if (ifi->ifi_omcasts) 1525 printf(", %llu multicast%s", 1526 (unsigned long long) ifi->ifi_omcasts, 1527 PLURAL(ifi->ifi_omcasts)); 1528 if (ifi->ifi_oerrors) 1529 printf(", %llu error%s", 1530 (unsigned long long) ifi->ifi_oerrors, 1531 PLURAL(ifi->ifi_oerrors)); 1532 if (ifi->ifi_collisions) 1533 printf(", %llu collision%s", 1534 (unsigned long long) ifi->ifi_collisions, 1535 PLURAL(ifi->ifi_collisions)); 1536 printf("\n"); 1537 #undef PLURAL 1538 #undef PLURALSTR 1539 } 1540 1541 ieee80211_statistics(); 1542 1543 proto_status: 1544 if ((p = afp) != NULL) { 1545 (*p->af_status)(1); 1546 } else for (p = afs; p->af_name; p++) { 1547 ifr.ifr_addr.sa_family = p->af_af; 1548 (*p->af_status)(0); 1549 } 1550 } 1551 1552 void 1553 setifprefixlen(const char *addr, int d) 1554 { 1555 if (*afp->af_getprefix) 1556 (*afp->af_getprefix)(addr, MASK); 1557 explicit_prefix = 1; 1558 } 1559 1560 void 1561 usage(void) 1562 { 1563 const char *progname = getprogname(); 1564 1565 fprintf(stderr, 1566 "usage: %s [-h] [-m] [-v] [-z] " 1567 #ifdef INET6 1568 "[-L] " 1569 #endif 1570 "interface\n" 1571 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 1572 "\t\t[ alias | -alias ] ]\n" 1573 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 1574 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 1575 "\t[ list scan ]\n" 1576 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 1577 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n" 1578 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 1579 "\t[ arp | -arp ]\n" 1580 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 1581 "[ instance minst ]\n" 1582 "\t[ preference n ]\n" 1583 "\t[ vlan n vlanif i ]\n" 1584 "\t[ agrport i ] [ -agrport i ]\n" 1585 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 1586 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 1587 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 1588 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 1589 " %s -l [-b] [-d] [-u] [-s]\n" 1590 " %s -C\n" 1591 " %s interface create\n" 1592 " %s interface destroy\n", 1593 progname, progname, progname, progname, progname, progname); 1594 exit(1); 1595 } 1596