ifconfig.c revision 1.180
1 /* $NetBSD: ifconfig.c,v 1.180 2007/01/09 09:19:02 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 1.180 2007/01/09 09:19:02 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 #ifdef notdef 214 #define EN_SWABIPS 0x1000 215 { "swabips", EN_SWABIPS, 0, setifflags }, 216 { "-swabips", -EN_SWABIPS, 0, setifflags }, 217 #endif 218 { "netmask", NEXTARG, 0, setifnetmask }, 219 { "metric", NEXTARG, 0, setifmetric }, 220 { "mtu", NEXTARG, 0, setifmtu }, 221 { "bssid", NEXTARG, 0, setifbssid }, 222 { "-bssid", -1, 0, setifbssid }, 223 { "chan", NEXTARG, 0, setifchan }, 224 { "-chan", -1, 0, setifchan }, 225 { "frag", NEXTARG, 0, setiffrag }, 226 { "-frag", -1, 0, setiffrag }, 227 { "ssid", NEXTARG, 0, setifnwid }, 228 { "nwid", NEXTARG, 0, setifnwid }, 229 { "nwkey", NEXTARG, 0, setifnwkey }, 230 { "-nwkey", -1, 0, setifnwkey }, 231 { "powersave", 1, 0, setifpowersave }, 232 { "-powersave", 0, 0, setifpowersave }, 233 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 234 { "hidessid", 1, 0, sethidessid }, 235 { "-hidessid", 0, 0, sethidessid }, 236 { "apbridge", 1, 0, setapbridge }, 237 { "-apbridge", 0, 0, setapbridge }, 238 { "broadcast", NEXTARG, 0, setifbroadaddr }, 239 { "ipdst", NEXTARG, 0, setifipdst }, 240 { "prefixlen", NEXTARG, 0, setifprefixlen}, 241 { "preference", NEXTARG, 0, setifpreference}, 242 #ifndef INET_ONLY 243 /* CARP */ 244 { "advbase", NEXTARG, 0, setcarp_advbase }, 245 { "advskew", NEXTARG, 0, setcarp_advskew }, 246 { "pass", NEXTARG, 0, setcarp_passwd }, 247 { "vhid", NEXTARG, 0, setcarp_vhid }, 248 { "state", NEXTARG, 0, setcarp_state }, 249 { "carpdev", NEXTARG, 0, setcarpdev }, 250 { "-carpdev", 1, 0, unsetcarpdev }, 251 #endif 252 #ifdef INET6 253 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 254 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 255 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 256 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 257 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 258 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 259 { "pltime", NEXTARG, 0, setia6pltime }, 260 { "vltime", NEXTARG, 0, setia6vltime }, 261 { "eui64", 0, 0, setia6eui64 }, 262 #endif /*INET6*/ 263 #ifndef INET_ONLY 264 { "range", NEXTARG, 0, setatrange }, 265 { "phase", NEXTARG, 0, setatphase }, 266 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 267 { "nsellength", NEXTARG, 0, setnsellength }, 268 #endif /* INET_ONLY */ 269 { "tunnel", NEXTARG2, 0, (void (*)(const char *, int)) 270 settunnel } , 271 { "deletetunnel", 0, 0, deletetunnel }, 272 { "vlan", NEXTARG, 0, setvlan } , 273 { "vlanif", NEXTARG, 0, setvlanif } , 274 { "-vlanif", 0, 0, unsetvlanif } , 275 #if 0 276 /* XXX `create' special-cased below */ 277 { "create", 0, 0, clone_create } , 278 #endif 279 { "destroy", 0, 0, clone_destroy } , 280 { "link0", IFF_LINK0, 0, setifflags } , 281 { "-link0", -IFF_LINK0, 0, setifflags } , 282 { "link1", IFF_LINK1, 0, setifflags } , 283 { "-link1", -IFF_LINK1, 0, setifflags } , 284 { "link2", IFF_LINK2, 0, setifflags } , 285 { "-link2", -IFF_LINK2, 0, setifflags } , 286 { "media", NEXTARG, A_MEDIA, setmedia }, 287 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 288 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 289 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 290 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 291 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 292 { "ip4csum-tx", IFCAP_CSUM_IPv4_Tx,0, setifcaps }, 293 { "-ip4csum-tx",-IFCAP_CSUM_IPv4_Tx,0, setifcaps }, 294 { "ip4csum-rx", IFCAP_CSUM_IPv4_Rx,0, setifcaps }, 295 { "-ip4csum-rx",-IFCAP_CSUM_IPv4_Rx,0, setifcaps }, 296 { "tcp4csum-tx",IFCAP_CSUM_TCPv4_Tx,0, setifcaps }, 297 { "-tcp4csum-tx",-IFCAP_CSUM_TCPv4_Tx,0, setifcaps }, 298 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 299 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 300 { "udp4csum-tx",IFCAP_CSUM_UDPv4_Tx,0, setifcaps }, 301 { "-udp4csum-tx",-IFCAP_CSUM_UDPv4_Tx,0, setifcaps }, 302 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 303 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 304 { "tcp6csum-tx",IFCAP_CSUM_TCPv6_Tx,0, setifcaps }, 305 { "-tcp6csum-tx",-IFCAP_CSUM_TCPv6_Tx,0, setifcaps }, 306 { "tcp6csum-rx",IFCAP_CSUM_TCPv6_Rx,0, setifcaps }, 307 { "-tcp6csum-rx",-IFCAP_CSUM_TCPv6_Rx,0, setifcaps }, 308 { "udp6csum-tx",IFCAP_CSUM_UDPv6_Tx,0, setifcaps }, 309 { "-udp6csum-tx",-IFCAP_CSUM_UDPv6_Tx,0, setifcaps }, 310 { "udp6csum-rx",IFCAP_CSUM_UDPv6_Rx,0, setifcaps }, 311 { "-udp6csum-rx",-IFCAP_CSUM_UDPv6_Rx,0, setifcaps }, 312 { "ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx, 313 0, setifcaps }, 314 { "-ip4csum", -(IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx), 315 0, setifcaps }, 316 { "tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx, 317 0, setifcaps }, 318 { "-tcp4csum", -(IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx), 319 0, setifcaps }, 320 { "udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx, 321 0, setifcaps }, 322 { "-udp4csum", -(IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx), 323 0, setifcaps }, 324 { "tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx, 325 0, setifcaps }, 326 { "-tcp6csum", -(IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx), 327 0, setifcaps }, 328 { "udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx, 329 0, setifcaps }, 330 { "-udp6csum", -(IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx), 331 0, setifcaps }, 332 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 333 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 334 { "tso6", IFCAP_TSOv6, 0, setifcaps }, 335 { "-tso6", -IFCAP_TSOv6, 0, setifcaps }, 336 { "agrport", NEXTARG, 0, agraddport } , 337 { "-agrport", NEXTARG, 0, agrremport } , 338 { 0, 0, 0, setifaddr }, 339 { 0, 0, 0, setifdstaddr }, 340 }; 341 342 int getinfo(struct ifreq *); 343 int carrier(void); 344 void printall(const char *); 345 void list_cloners(void); 346 void status(const struct sockaddr_dl *); 347 void usage(void); 348 349 void print_media_word(int, const char *); 350 void process_media_commands(void); 351 void init_current_media(void); 352 353 /* Known address families */ 354 const struct afswtch afs[] = { 355 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 356 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 357 #ifdef INET6 358 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 359 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 360 /* 361 * Deleting the first address before setting new one is 362 * not prefered way in this protocol. 363 */ 364 0, 365 &in6_ridreq, &in6_addreq }, 366 #endif 367 #ifndef INET_ONLY /* small version, for boot media */ 368 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 369 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 370 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 371 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 372 &iso_ridreq, &iso_addreq }, 373 #endif /* INET_ONLY */ 374 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } 375 }; 376 377 const struct afswtch *afp; /*the address family being set or asked about*/ 378 379 int 380 main(int argc, char *argv[]) 381 { 382 int ch; 383 384 /* Parse command-line options */ 385 aflag = mflag = vflag = zflag = 0; 386 while ((ch = getopt(argc, argv, "AabCdhlmsuvz" 387 #ifdef INET6 388 "L" 389 #endif 390 )) != -1) { 391 switch (ch) { 392 case 'A': 393 warnx("-A is deprecated"); 394 break; 395 396 case 'a': 397 aflag = 1; 398 break; 399 400 case 'b': 401 bflag = 1; 402 break; 403 404 case 'C': 405 Cflag = 1; 406 break; 407 408 case 'd': 409 dflag = 1; 410 break; 411 case 'h': 412 hflag = 1; 413 break; 414 #ifdef INET6 415 case 'L': 416 Lflag = 1; 417 break; 418 #endif 419 420 case 'l': 421 lflag = 1; 422 break; 423 424 case 'm': 425 mflag = 1; 426 break; 427 428 case 's': 429 sflag = 1; 430 break; 431 432 case 'u': 433 uflag = 1; 434 break; 435 436 case 'v': 437 vflag = 1; 438 break; 439 440 case 'z': 441 zflag = 1; 442 break; 443 444 445 default: 446 usage(); 447 /* NOTREACHED */ 448 } 449 } 450 argc -= optind; 451 argv += optind; 452 453 /* 454 * -l means "list all interfaces", and is mutally exclusive with 455 * all other flags/commands. 456 * 457 * -C means "list all names of cloners", and it mutually exclusive 458 * with all other flags/commands. 459 * 460 * -a means "print status of all interfaces". 461 */ 462 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 463 usage(); 464 #ifdef INET6 465 if ((lflag || Cflag) && Lflag) 466 usage(); 467 #endif 468 if (lflag && Cflag) 469 usage(); 470 if (Cflag) { 471 if (argc) 472 usage(); 473 list_cloners(); 474 exit(0); 475 } 476 if (aflag || lflag) { 477 if (argc > 1) 478 usage(); 479 else if (argc == 1) { 480 afp = lookup_af_byname(argv[0]); 481 if (afp == NULL) 482 usage(); 483 } 484 if (afp) 485 af = ifr.ifr_addr.sa_family = afp->af_af; 486 else 487 af = ifr.ifr_addr.sa_family = afs[0].af_af; 488 printall(NULL); 489 exit(0); 490 } 491 492 /* Make sure there's an interface name. */ 493 if (argc < 1) 494 usage(); 495 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 496 errx(1, "interface name '%s' too long", argv[0]); 497 argc--; argv++; 498 499 /* 500 * NOTE: We must special-case the `create' command right 501 * here as we would otherwise fail in getinfo(). 502 */ 503 if (argc > 0 && strcmp(argv[0], "create") == 0) { 504 clone_create(argv[0], 0); 505 argc--, argv++; 506 if (argc == 0) 507 exit(0); 508 } 509 510 /* Check for address family. */ 511 afp = NULL; 512 if (argc > 0) { 513 afp = lookup_af_byname(argv[0]); 514 if (afp != NULL) { 515 argv++; 516 argc--; 517 } 518 } 519 520 /* Initialize af, just for use in getinfo(). */ 521 if (afp == NULL) 522 af = afs->af_af; 523 else 524 af = afp->af_af; 525 526 /* Get information about the interface. */ 527 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 528 if (getinfo(&ifr) < 0) 529 exit(1); 530 531 if (sflag) { 532 if (argc != 0) 533 usage(); 534 else 535 exit(carrier()); 536 } 537 538 /* No more arguments means interface status. */ 539 if (argc == 0) { 540 printall(name); 541 exit(0); 542 } 543 544 /* The following operations assume inet family as the default. */ 545 if (afp == NULL) 546 afp = afs; 547 af = ifr.ifr_addr.sa_family = afp->af_af; 548 549 #ifdef INET6 550 in6_init(); 551 #endif 552 553 /* Process commands. */ 554 while (argc > 0) { 555 const struct cmd *p; 556 557 for (p = cmds; p->c_name; p++) 558 if (strcmp(argv[0], p->c_name) == 0) 559 break; 560 if (p->c_name == 0 && setaddr) { 561 if ((flags & IFF_POINTOPOINT) == 0) { 562 errx(EXIT_FAILURE, 563 "can't set destination address %s", 564 "on non-point-to-point link"); 565 } 566 p++; /* got src, do dst */ 567 } 568 if (p->c_func != NULL) { 569 if (p->c_parameter == NEXTARG) { 570 if (argc < 2) 571 errx(EXIT_FAILURE, 572 "'%s' requires argument", 573 p->c_name); 574 (*p->c_func)(argv[1], 0); 575 argc--, argv++; 576 } else if (p->c_parameter == NEXTARG2) { 577 if (argc < 3) 578 errx(EXIT_FAILURE, 579 "'%s' requires 2 arguments", 580 p->c_name); 581 ((void (*)(const char *, const char *)) 582 *p->c_func)(argv[1], argv[2]); 583 argc -= 2, argv += 2; 584 } else 585 (*p->c_func)(argv[0], p->c_parameter); 586 actions |= p->c_action; 587 } 588 argc--, argv++; 589 } 590 591 /* 592 * See if multiple alias, -alias, or delete commands were 593 * specified. More than one constitutes an invalid command line 594 */ 595 596 if (conflicting > 1) 597 errx(EXIT_FAILURE, 598 "Only one use of alias, -alias or delete is valid."); 599 600 /* Process any media commands that may have been issued. */ 601 process_media_commands(); 602 603 if (af == AF_INET6 && explicit_prefix == 0) { 604 /* 605 * Aggregatable address architecture defines all prefixes 606 * are 64. So, it is convenient to set prefixlen to 64 if 607 * it is not specified. 608 */ 609 setifprefixlen("64", 0); 610 /* in6_getprefix("64", MASK) if MASK is available here... */ 611 } 612 613 #ifndef INET_ONLY 614 if (af == AF_ISO) 615 adjust_nsellength(); 616 617 if (af == AF_APPLETALK) 618 checkatrange(&addreq.ifra_addr); 619 #endif /* INET_ONLY */ 620 621 if (clearaddr) { 622 estrlcpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 623 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 624 err(EXIT_FAILURE, "SIOCDIFADDR"); 625 } 626 if (newaddr > 0) { 627 estrlcpy(afp->af_addreq, name, sizeof ifr.ifr_name); 628 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 629 warn("SIOCAIFADDR"); 630 else if (check_up_state < 0) 631 check_up_state = 1; 632 } 633 634 if (have_preference) 635 do_setifpreference(); 636 if (g_ifcr_updated) { 637 strlcpy(g_ifcr.ifcr_name, name, 638 sizeof(g_ifcr.ifcr_name)); 639 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 640 err(EXIT_FAILURE, "SIOCSIFCAP"); 641 } 642 643 if (check_up_state == 1) 644 check_ifflags_up(name); 645 646 exit(0); 647 } 648 649 const struct afswtch * 650 lookup_af_byname(const char *cp) 651 { 652 const struct afswtch *a; 653 654 for (a = afs; a->af_name != NULL; a++) 655 if (strcmp(a->af_name, cp) == 0) 656 return (a); 657 return (NULL); 658 } 659 660 const struct afswtch * 661 lookup_af_bynum(int afnum) 662 { 663 const struct afswtch *a; 664 665 for (a = afs; a->af_name != NULL; a++) 666 if (a->af_af == afnum) 667 return (a); 668 return (NULL); 669 } 670 671 void 672 getsock(int naf) 673 { 674 static int oaf = -1; 675 676 if (oaf == naf) 677 return; 678 if (oaf != -1) 679 close(s); 680 s = socket(naf, SOCK_DGRAM, 0); 681 if (s < 0) 682 oaf = -1; 683 else 684 oaf = naf; 685 } 686 687 int 688 getinfo(struct ifreq *giifr) 689 { 690 691 getsock(af); 692 if (s < 0) 693 err(EXIT_FAILURE, "socket"); 694 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 695 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 696 return (-1); 697 } 698 flags = giifr->ifr_flags; 699 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 700 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 701 metric = 0; 702 } else 703 metric = giifr->ifr_metric; 704 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 705 mtu = 0; 706 else 707 mtu = giifr->ifr_mtu; 708 709 memset(&g_ifcr, 0, sizeof(g_ifcr)); 710 estrlcpy(g_ifcr.ifcr_name, giifr->ifr_name, sizeof(g_ifcr.ifcr_name)); 711 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 712 713 return (0); 714 } 715 716 void 717 printall(const char *ifname) 718 { 719 struct ifaddrs *ifap, *ifa; 720 struct ifreq paifr; 721 const struct sockaddr_dl *sdl = NULL; 722 int idx; 723 char *p; 724 725 if (getifaddrs(&ifap) != 0) 726 err(EXIT_FAILURE, "getifaddrs"); 727 p = NULL; 728 idx = 0; 729 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 730 memset(&paifr, 0, sizeof(paifr)); 731 estrlcpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 732 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 733 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 734 ifa->ifa_addr->sa_len); 735 } 736 737 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 738 continue; 739 if (ifa->ifa_addr->sa_family == AF_LINK) 740 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 741 if (p && strcmp(p, ifa->ifa_name) == 0) 742 continue; 743 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 744 continue; 745 p = ifa->ifa_name; 746 747 if (getinfo(&paifr) < 0) 748 continue; 749 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 750 continue; 751 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 752 continue; 753 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 754 continue; 755 756 if (sflag && carrier()) 757 continue; 758 idx++; 759 /* 760 * Are we just listing the interfaces? 761 */ 762 if (lflag) { 763 if (idx > 1) 764 printf(" "); 765 fputs(name, stdout); 766 continue; 767 } 768 769 status(sdl); 770 sdl = NULL; 771 } 772 if (lflag) 773 printf("\n"); 774 freeifaddrs(ifap); 775 } 776 777 void 778 list_cloners(void) 779 { 780 struct if_clonereq ifcr; 781 char *cp, *buf; 782 int idx; 783 784 memset(&ifcr, 0, sizeof(ifcr)); 785 786 getsock(AF_INET); 787 788 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 789 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 790 791 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 792 if (buf == NULL) 793 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 794 795 ifcr.ifcr_count = ifcr.ifcr_total; 796 ifcr.ifcr_buffer = buf; 797 798 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 799 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 800 801 /* 802 * In case some disappeared in the mean time, clamp it down. 803 */ 804 if (ifcr.ifcr_count > ifcr.ifcr_total) 805 ifcr.ifcr_count = ifcr.ifcr_total; 806 807 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 808 if (idx > 0) 809 printf(" "); 810 printf("%s", cp); 811 } 812 813 printf("\n"); 814 free(buf); 815 return; 816 } 817 818 /*ARGSUSED*/ 819 void 820 clone_create(const char *addr, int param) 821 { 822 823 /* We're called early... */ 824 getsock(AF_INET); 825 826 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 827 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 828 err(EXIT_FAILURE, "SIOCIFCREATE"); 829 } 830 831 /*ARGSUSED*/ 832 void 833 clone_destroy(const char *addr, int param) 834 { 835 836 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 837 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 838 err(EXIT_FAILURE, "SIOCIFDESTROY"); 839 } 840 841 /*ARGSUSED*/ 842 void 843 setifaddr(const char *addr, int param) 844 { 845 struct ifreq *siifr; /* XXX */ 846 847 /* 848 * Delay the ioctl to set the interface addr until flags are all set. 849 * The address interpretation may depend on the flags, 850 * and the flags may change when the address is set. 851 */ 852 setaddr++; 853 if (newaddr == -1) 854 newaddr = 1; 855 if (doalias == 0 && afp->af_gifaddr != 0) { 856 siifr = (struct ifreq *)afp->af_ridreq; 857 estrlcpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 858 siifr->ifr_addr.sa_family = afp->af_af; 859 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 860 clearaddr = 1; 861 else if (errno == EADDRNOTAVAIL) 862 /* No address was assigned yet. */ 863 ; 864 else 865 err(EXIT_FAILURE, "SIOCGIFADDR"); 866 } 867 868 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 869 } 870 871 void 872 setifnetmask(const char *addr, int d) 873 { 874 (*afp->af_getaddr)(addr, MASK); 875 } 876 877 void 878 setifbroadaddr(const char *addr, int d) 879 { 880 (*afp->af_getaddr)(addr, DSTADDR); 881 } 882 883 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 884 /*ARGSUSED*/ 885 void 886 notealias(const char *addr, int param) 887 { 888 if (setaddr && doalias == 0 && param < 0) 889 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 890 rqtosa(af_addreq)->sa_len); 891 doalias = param; 892 if (param < 0) { 893 clearaddr = 1; 894 newaddr = 0; 895 conflicting++; 896 } else { 897 clearaddr = 0; 898 conflicting++; 899 } 900 } 901 902 /*ARGSUSED*/ 903 void 904 notrailers(const char *vname, int value) 905 { 906 puts("Note: trailers are no longer sent, but always received"); 907 } 908 909 /*ARGSUSED*/ 910 void 911 setifdstaddr(const char *addr, int param) 912 { 913 (*afp->af_getaddr)(addr, DSTADDR); 914 } 915 916 void 917 check_ifflags_up(const char *vname) 918 { 919 struct ifreq ifreq; 920 921 estrlcpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 922 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 923 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 924 if (ifreq.ifr_flags & IFF_UP) 925 return; 926 ifreq.ifr_flags |= IFF_UP; 927 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 928 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 929 } 930 931 void 932 setifflags(const char *vname, int value) 933 { 934 struct ifreq ifreq; 935 936 estrlcpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 937 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 938 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 939 flags = ifreq.ifr_flags; 940 941 if (value < 0) { 942 value = -value; 943 if (value == IFF_UP) 944 check_up_state = 0; 945 flags &= ~value; 946 } else 947 flags |= value; 948 ifreq.ifr_flags = flags; 949 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 950 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 951 } 952 953 void 954 setifcaps(const char *vname, int value) 955 { 956 957 if (value < 0) { 958 value = -value; 959 g_ifcr.ifcr_capenable &= ~value; 960 } else 961 g_ifcr.ifcr_capenable |= value; 962 963 g_ifcr_updated = 1; 964 } 965 966 void 967 setifmetric(const char *val, int d) 968 { 969 char *ep = NULL; 970 971 estrlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 972 ifr.ifr_metric = strtoul(val, &ep, 10); 973 if (!ep || *ep) 974 errx(EXIT_FAILURE, "%s: invalid metric", val); 975 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 976 warn("SIOCSIFMETRIC"); 977 } 978 979 void 980 setifpreference(const char *val, int d) 981 { 982 char *end = NULL; 983 if (setaddr <= 0) { 984 errx(EXIT_FAILURE, 985 "set address preference: first specify an address"); 986 } 987 preference = strtoul(val, &end, 10); 988 if (end == NULL || *end != '\0' || preference > UINT16_MAX) 989 errx(EXIT_FAILURE, "invalid preference %s", val); 990 have_preference = 1; 991 } 992 993 void 994 do_setifpreference(void) 995 { 996 struct if_addrprefreq ifap; 997 (void)strncpy(ifap.ifap_name, name, sizeof(ifap.ifap_name)); 998 ifap.ifap_preference = (uint16_t)preference; 999 (void)memcpy(&ifap.ifap_addr, rqtosa(af_addreq), 1000 MIN(sizeof(ifap.ifap_addr), rqtosa(af_addreq)->sa_len)); 1001 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1) 1002 warn("SIOCSIFADDRPREF"); 1003 } 1004 1005 void 1006 setifmtu(const char *val, int d) 1007 { 1008 char *ep = NULL; 1009 1010 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1011 ifr.ifr_mtu = strtoul(val, &ep, 10); 1012 if (!ep || *ep) 1013 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1014 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1015 warn("SIOCSIFMTU"); 1016 } 1017 1018 const char * 1019 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1020 { 1021 int len; 1022 int hexstr; 1023 u_int8_t *p; 1024 1025 len = *lenp; 1026 p = buf; 1027 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1028 if (hexstr) 1029 val += 2; 1030 for (;;) { 1031 if (*val == '\0') 1032 break; 1033 if (sep != NULL && strchr(sep, *val) != NULL) { 1034 val++; 1035 break; 1036 } 1037 if (hexstr) { 1038 if (!isxdigit((u_char)val[0]) || 1039 !isxdigit((u_char)val[1])) { 1040 warnx("bad hexadecimal digits"); 1041 return NULL; 1042 } 1043 } 1044 if (p > buf + len) { 1045 if (hexstr) 1046 warnx("hexadecimal digits too long"); 1047 else 1048 warnx("strings too long"); 1049 return NULL; 1050 } 1051 if (hexstr) { 1052 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1053 *p++ = (tohex((u_char)val[0]) << 4) | 1054 tohex((u_char)val[1]); 1055 #undef tohex 1056 val += 2; 1057 } else 1058 *p++ = *val++; 1059 } 1060 len = p - buf; 1061 if (len < *lenp) 1062 memset(p, 0, *lenp - len); 1063 *lenp = len; 1064 return val; 1065 } 1066 1067 void 1068 print_string(const u_int8_t *buf, int len) 1069 { 1070 int i; 1071 int hasspc; 1072 1073 i = 0; 1074 hasspc = 0; 1075 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1076 for (; i < len; i++) { 1077 if (!isprint(buf[i])) 1078 break; 1079 if (isspace(buf[i])) 1080 hasspc++; 1081 } 1082 } 1083 if (i == len) { 1084 if (hasspc || len == 0) 1085 printf("\"%.*s\"", len, buf); 1086 else 1087 printf("%.*s", len, buf); 1088 } else { 1089 printf("0x"); 1090 for (i = 0; i < len; i++) 1091 printf("%02x", buf[i]); 1092 } 1093 } 1094 1095 static void 1096 media_error(int type, const char *val, const char *opt) 1097 { 1098 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1099 get_media_type_string(type), opt, val); 1100 } 1101 1102 void 1103 init_current_media(void) 1104 { 1105 struct ifmediareq ifmr; 1106 1107 /* 1108 * If we have not yet done so, grab the currently-selected 1109 * media. 1110 */ 1111 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1112 (void) memset(&ifmr, 0, sizeof(ifmr)); 1113 estrlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1114 1115 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1116 /* 1117 * If we get E2BIG, the kernel is telling us 1118 * that there are more, so we can ignore it. 1119 */ 1120 if (errno != E2BIG) 1121 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1122 } 1123 1124 media_current = ifmr.ifm_current; 1125 } 1126 1127 /* Sanity. */ 1128 if (IFM_TYPE(media_current) == 0) 1129 errx(EXIT_FAILURE, "%s: no link type?", name); 1130 } 1131 1132 void 1133 process_media_commands(void) 1134 { 1135 1136 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1137 /* Nothing to do. */ 1138 return; 1139 } 1140 1141 /* 1142 * Media already set up, and commands sanity-checked. Set/clear 1143 * any options, and we're ready to go. 1144 */ 1145 media_current |= mediaopt_set; 1146 media_current &= ~mediaopt_clear; 1147 1148 estrlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1149 ifr.ifr_media = media_current; 1150 1151 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1152 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1153 } 1154 1155 void 1156 setmedia(const char *val, int d) 1157 { 1158 int type, subtype, inst; 1159 1160 init_current_media(); 1161 1162 /* Only one media command may be given. */ 1163 if (actions & A_MEDIA) 1164 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1165 1166 /* Must not come after mode commands */ 1167 if (actions & A_MEDIAMODE) 1168 errx(EXIT_FAILURE, 1169 "may not issue `media' after `mode' commands"); 1170 1171 /* Must not come after mediaopt commands */ 1172 if (actions & A_MEDIAOPT) 1173 errx(EXIT_FAILURE, 1174 "may not issue `media' after `mediaopt' commands"); 1175 1176 /* 1177 * No need to check if `instance' has been issued; setmediainst() 1178 * craps out if `media' has not been specified. 1179 */ 1180 1181 type = IFM_TYPE(media_current); 1182 inst = IFM_INST(media_current); 1183 1184 /* Look up the subtype. */ 1185 subtype = get_media_subtype(type, val); 1186 if (subtype == -1) 1187 media_error(type, val, "subtype"); 1188 1189 /* Build the new current media word. */ 1190 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1191 1192 /* Media will be set after other processing is complete. */ 1193 } 1194 1195 void 1196 setmediaopt(const char *val, int d) 1197 { 1198 char *invalid; 1199 1200 init_current_media(); 1201 1202 /* Can only issue `mediaopt' once. */ 1203 if (actions & A_MEDIAOPTSET) 1204 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1205 1206 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1207 if (actions & A_MEDIAINST) 1208 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1209 1210 mediaopt_set = get_media_options(media_current, val, &invalid); 1211 if (mediaopt_set == -1) 1212 media_error(media_current, invalid, "option"); 1213 1214 /* Media will be set after other processing is complete. */ 1215 } 1216 1217 void 1218 unsetmediaopt(const char *val, int d) 1219 { 1220 char *invalid; 1221 1222 init_current_media(); 1223 1224 /* Can only issue `-mediaopt' once. */ 1225 if (actions & A_MEDIAOPTCLR) 1226 errx(EXIT_FAILURE, 1227 "only one `-mediaopt' command may be issued"); 1228 1229 /* May not issue `media' and `-mediaopt'. */ 1230 if (actions & A_MEDIA) 1231 errx(EXIT_FAILURE, 1232 "may not issue both `media' and `-mediaopt'"); 1233 1234 /* 1235 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1236 * implicitly checks for A_MEDIAINST. 1237 */ 1238 1239 mediaopt_clear = get_media_options(media_current, val, &invalid); 1240 if (mediaopt_clear == -1) 1241 media_error(media_current, invalid, "option"); 1242 1243 /* Media will be set after other processing is complete. */ 1244 } 1245 1246 void 1247 setmediainst(const char *val, int d) 1248 { 1249 int type, subtype, options, inst; 1250 1251 init_current_media(); 1252 1253 /* Can only issue `instance' once. */ 1254 if (actions & A_MEDIAINST) 1255 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1256 1257 /* Must have already specified `media' */ 1258 if ((actions & A_MEDIA) == 0) 1259 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1260 1261 type = IFM_TYPE(media_current); 1262 subtype = IFM_SUBTYPE(media_current); 1263 options = IFM_OPTIONS(media_current); 1264 1265 inst = atoi(val); 1266 if (inst < 0 || inst > IFM_INST_MAX) 1267 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1268 1269 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1270 1271 /* Media will be set after other processing is complete. */ 1272 } 1273 1274 void 1275 setmediamode(const char *val, int d) 1276 { 1277 int type, subtype, options, inst, mode; 1278 1279 init_current_media(); 1280 1281 /* Can only issue `mode' once. */ 1282 if (actions & A_MEDIAMODE) 1283 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1284 1285 type = IFM_TYPE(media_current); 1286 subtype = IFM_SUBTYPE(media_current); 1287 options = IFM_OPTIONS(media_current); 1288 inst = IFM_INST(media_current); 1289 1290 mode = get_media_mode(type, val); 1291 if (mode == -1) 1292 media_error(type, val, "mode"); 1293 1294 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1295 1296 /* Media will be set after other processing is complete. */ 1297 } 1298 1299 void 1300 print_media_word(int ifmw, const char *opt_sep) 1301 { 1302 const char *str; 1303 1304 printf("%s", get_media_subtype_string(ifmw)); 1305 1306 /* Find mode. */ 1307 if (IFM_MODE(ifmw) != 0) { 1308 str = get_media_mode_string(ifmw); 1309 if (str != NULL) 1310 printf(" mode %s", str); 1311 } 1312 1313 /* Find options. */ 1314 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1315 printf("%s%s", opt_sep, str); 1316 1317 if (IFM_INST(ifmw) != 0) 1318 printf(" instance %d", IFM_INST(ifmw)); 1319 } 1320 1321 int 1322 carrier(void) 1323 { 1324 struct ifmediareq ifmr; 1325 1326 (void) memset(&ifmr, 0, sizeof(ifmr)); 1327 estrlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1328 1329 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1330 /* 1331 * Interface doesn't support SIOC{G,S}IFMEDIA; 1332 * assume ok. 1333 */ 1334 return 0; 1335 } 1336 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1337 /* 1338 * Interface doesn't report media-valid status. 1339 * assume ok. 1340 */ 1341 return 0; 1342 } 1343 /* otherwise, return ok for active, not-ok if not active. */ 1344 return !(ifmr.ifm_status & IFM_ACTIVE); 1345 } 1346 1347 1348 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1349 1350 const struct ifmedia_status_description ifm_status_descriptions[] = 1351 IFM_STATUS_DESCRIPTIONS; 1352 1353 /* 1354 * Print the status of the interface. If an address family was 1355 * specified, show it and it only; otherwise, show them all. 1356 */ 1357 void 1358 status(const struct sockaddr_dl *sdl) 1359 { 1360 const struct afswtch *p = afp; 1361 struct ifmediareq ifmr; 1362 struct ifdatareq ifdr; 1363 int *media_list, i; 1364 char hbuf[NI_MAXHOST]; 1365 char fbuf[BUFSIZ]; 1366 1367 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1368 printf("%s: flags=%s", name, &fbuf[2]); 1369 if (metric) 1370 printf(" metric %lu", metric); 1371 if (mtu) 1372 printf(" mtu %lu", mtu); 1373 printf("\n"); 1374 1375 if (g_ifcr.ifcr_capabilities) { 1376 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1377 g_ifcr.ifcr_capabilities); 1378 printf("\tcapabilities=%s\n", &fbuf[2]); 1379 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1380 g_ifcr.ifcr_capenable); 1381 printf("\tenabled=%s\n", &fbuf[2]); 1382 } 1383 1384 ieee80211_status(); 1385 vlan_status(); 1386 #ifndef INET_ONLY 1387 carp_status(); 1388 #endif 1389 tunnel_status(); 1390 agr_status(); 1391 1392 if (sdl != NULL && 1393 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1394 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1395 hbuf[0] != '\0') 1396 printf("\taddress: %s\n", hbuf); 1397 1398 (void) memset(&ifmr, 0, sizeof(ifmr)); 1399 estrlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1400 1401 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1402 /* 1403 * Interface doesn't support SIOC{G,S}IFMEDIA. 1404 */ 1405 goto iface_stats; 1406 } 1407 1408 if (ifmr.ifm_count == 0) { 1409 warnx("%s: no media types?", name); 1410 goto iface_stats; 1411 } 1412 1413 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1414 if (media_list == NULL) 1415 err(EXIT_FAILURE, "malloc"); 1416 ifmr.ifm_ulist = media_list; 1417 1418 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1419 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1420 1421 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1422 print_media_word(ifmr.ifm_current, " "); 1423 if (ifmr.ifm_active != ifmr.ifm_current) { 1424 printf(" ("); 1425 print_media_word(ifmr.ifm_active, " "); 1426 printf(")"); 1427 } 1428 printf("\n"); 1429 1430 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1431 const struct ifmedia_status_description *ifms; 1432 int bitno, found = 0; 1433 1434 printf("\tstatus: "); 1435 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1436 for (ifms = ifm_status_descriptions; 1437 ifms->ifms_valid != 0; ifms++) { 1438 if (ifms->ifms_type != 1439 IFM_TYPE(ifmr.ifm_current) || 1440 ifms->ifms_valid != 1441 ifm_status_valid_list[bitno]) 1442 continue; 1443 printf("%s%s", found ? ", " : "", 1444 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1445 found = 1; 1446 1447 /* 1448 * For each valid indicator bit, there's 1449 * only one entry for each media type, so 1450 * terminate the inner loop now. 1451 */ 1452 break; 1453 } 1454 } 1455 1456 if (found == 0) 1457 printf("unknown"); 1458 printf("\n"); 1459 } 1460 1461 if (mflag) { 1462 int type, printed_type; 1463 1464 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1465 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1466 if (IFM_TYPE(media_list[i]) != type) 1467 continue; 1468 if (printed_type == 0) { 1469 printf("\tsupported %s media:\n", 1470 get_media_type_string(type)); 1471 printed_type = 1; 1472 } 1473 printf("\t\tmedia "); 1474 print_media_word(media_list[i], " mediaopt "); 1475 printf("\n"); 1476 } 1477 } 1478 } 1479 1480 free(media_list); 1481 1482 iface_stats: 1483 if (!vflag && !zflag) 1484 goto proto_status; 1485 1486 estrlcpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1487 1488 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1489 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1490 } else { 1491 struct if_data * const ifi = &ifdr.ifdr_data; 1492 char buf[5]; 1493 1494 #define PLURAL(n) ((n) == 1 ? "" : "s") 1495 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s") 1496 printf("\tinput: %llu packet%s, ", 1497 (unsigned long long) ifi->ifi_ipackets, 1498 PLURAL(ifi->ifi_ipackets)); 1499 if (hflag) { 1500 (void) humanize_number(buf, sizeof(buf), 1501 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE, 1502 HN_NOSPACE | HN_DECIMAL); 1503 printf("%s byte%s", buf, 1504 PLURALSTR(buf)); 1505 } else 1506 printf("%llu byte%s", 1507 (unsigned long long) ifi->ifi_ibytes, 1508 PLURAL(ifi->ifi_ibytes)); 1509 if (ifi->ifi_imcasts) 1510 printf(", %llu multicast%s", 1511 (unsigned long long) ifi->ifi_imcasts, 1512 PLURAL(ifi->ifi_imcasts)); 1513 if (ifi->ifi_ierrors) 1514 printf(", %llu error%s", 1515 (unsigned long long) ifi->ifi_ierrors, 1516 PLURAL(ifi->ifi_ierrors)); 1517 if (ifi->ifi_iqdrops) 1518 printf(", %llu queue drop%s", 1519 (unsigned long long) ifi->ifi_iqdrops, 1520 PLURAL(ifi->ifi_iqdrops)); 1521 if (ifi->ifi_noproto) 1522 printf(", %llu unknown protocol", 1523 (unsigned long long) ifi->ifi_noproto); 1524 printf("\n\toutput: %llu packet%s, ", 1525 (unsigned long long) ifi->ifi_opackets, 1526 PLURAL(ifi->ifi_opackets)); 1527 if (hflag) { 1528 (void) humanize_number(buf, sizeof(buf), 1529 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE, 1530 HN_NOSPACE | HN_DECIMAL); 1531 printf("%s byte%s", buf, 1532 PLURALSTR(buf)); 1533 } else 1534 printf("%llu byte%s", 1535 (unsigned long long) ifi->ifi_obytes, 1536 PLURAL(ifi->ifi_obytes)); 1537 if (ifi->ifi_omcasts) 1538 printf(", %llu multicast%s", 1539 (unsigned long long) ifi->ifi_omcasts, 1540 PLURAL(ifi->ifi_omcasts)); 1541 if (ifi->ifi_oerrors) 1542 printf(", %llu error%s", 1543 (unsigned long long) ifi->ifi_oerrors, 1544 PLURAL(ifi->ifi_oerrors)); 1545 if (ifi->ifi_collisions) 1546 printf(", %llu collision%s", 1547 (unsigned long long) ifi->ifi_collisions, 1548 PLURAL(ifi->ifi_collisions)); 1549 printf("\n"); 1550 #undef PLURAL 1551 #undef PLURALSTR 1552 } 1553 1554 ieee80211_statistics(); 1555 1556 proto_status: 1557 if ((p = afp) != NULL) { 1558 (*p->af_status)(1); 1559 } else for (p = afs; p->af_name; p++) { 1560 ifr.ifr_addr.sa_family = p->af_af; 1561 (*p->af_status)(0); 1562 } 1563 } 1564 1565 void 1566 setifprefixlen(const char *addr, int d) 1567 { 1568 if (*afp->af_getprefix) 1569 (*afp->af_getprefix)(addr, MASK); 1570 explicit_prefix = 1; 1571 } 1572 1573 void 1574 usage(void) 1575 { 1576 const char *progname = getprogname(); 1577 1578 fprintf(stderr, 1579 "usage: %s [-h] [-m] [-v] [-z] " 1580 #ifdef INET6 1581 "[-L] " 1582 #endif 1583 "interface\n" 1584 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 1585 "\t\t[ alias | -alias ] ]\n" 1586 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 1587 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 1588 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 1589 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n" 1590 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 1591 "\t[ arp | -arp ]\n" 1592 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 1593 "[ instance minst ]\n" 1594 "\t[ preference n ]\n" 1595 "\t[ vlan n vlanif i ]\n" 1596 "\t[ agrport i ] [ -agrport i ]\n" 1597 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 1598 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 1599 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 1600 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 1601 " %s -l [-b] [-d] [-u] [-s]\n" 1602 " %s -C\n" 1603 " %s interface create\n" 1604 " %s interface destroy\n", 1605 progname, progname, progname, progname, progname, progname); 1606 exit(1); 1607 } 1608
Indexes created Mon Sep 29 21:09:56 GMT 2025