ifconfig.c revision 1.171
1 /* $NetBSD: ifconfig.c,v 1.171 2006/05/18 09:05:50 liamjfoy 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 1.171 2006/05/18 09:05:50 liamjfoy 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 #include "af_ns.h" 115 #endif /* ! INET_ONLY */ 116 #include "af_inet.h" 117 #ifdef INET6 118 #include "af_inet6.h" 119 #endif /* INET6 */ 120 121 #include "agr.h" 122 #include "carp.h" 123 #include "ieee80211.h" 124 #include "tunnel.h" 125 #include "vlan.h" 126 127 struct ifreq ifr, ridreq; 128 struct ifaliasreq addreq __attribute__((aligned(4))); 129 130 char name[30]; 131 u_short flags; 132 int setaddr, doalias; 133 u_long metric, mtu; 134 int clearaddr, s; 135 int newaddr = -1; 136 int conflicting = 0; 137 int af; 138 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 139 int hflag; 140 #ifdef INET6 141 int Lflag; 142 #endif 143 int explicit_prefix = 0; 144 145 struct ifcapreq g_ifcr; 146 int g_ifcr_updated; 147 148 void notealias(const char *, int); 149 void notrailers(const char *, int); 150 void setifaddr(const char *, int); 151 void setifdstaddr(const char *, int); 152 void setifflags(const char *, int); 153 void setifcaps(const char *, int); 154 void setifbroadaddr(const char *, int); 155 void setifipdst(const char *, int); 156 void setifmetric(const char *, int); 157 void setifmtu(const char *, int); 158 void setifnetmask(const char *, int); 159 void setifprefixlen(const char *, int); 160 void setmedia(const char *, int); 161 void setmediamode(const char *, int); 162 void setmediaopt(const char *, int); 163 void unsetmediaopt(const char *, int); 164 void setmediainst(const char *, int); 165 void clone_create(const char *, int); 166 void clone_destroy(const char *, int); 167 int main(int, char *[]); 168 169 /* 170 * Media stuff. Whenever a media command is first performed, the 171 * currently select media is grabbed for this interface. If `media' 172 * is given, the current media word is modifed. `mediaopt' commands 173 * only modify the set and clear words. They then operate on the 174 * current media word later. 175 */ 176 int media_current; 177 int mediaopt_set; 178 int mediaopt_clear; 179 180 int actions; /* Actions performed */ 181 182 #define A_MEDIA 0x0001 /* media command */ 183 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 184 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 185 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 186 #define A_MEDIAINST 0x0008 /* instance or inst command */ 187 #define A_MEDIAMODE 0x0010 /* mode command */ 188 189 #define NEXTARG 0xffffff 190 #define NEXTARG2 0xfffffe 191 192 const struct cmd { 193 const char *c_name; 194 int c_parameter; /* NEXTARG means next argv */ 195 int c_action; /* defered action */ 196 void (*c_func)(const char *, int); 197 void (*c_func2)(const char *, const char *); 198 } cmds[] = { 199 { "up", IFF_UP, 0, setifflags } , 200 { "down", -IFF_UP, 0, setifflags }, 201 { "trailers", -1, 0, notrailers }, 202 { "-trailers", 1, 0, notrailers }, 203 { "arp", -IFF_NOARP, 0, setifflags }, 204 { "-arp", IFF_NOARP, 0, setifflags }, 205 { "debug", IFF_DEBUG, 0, setifflags }, 206 { "-debug", -IFF_DEBUG, 0, setifflags }, 207 { "alias", IFF_UP, 0, notealias }, 208 { "-alias", -IFF_UP, 0, notealias }, 209 { "delete", -IFF_UP, 0, notealias }, 210 #ifdef notdef 211 #define EN_SWABIPS 0x1000 212 { "swabips", EN_SWABIPS, 0, setifflags }, 213 { "-swabips", -EN_SWABIPS, 0, setifflags }, 214 #endif 215 { "netmask", NEXTARG, 0, setifnetmask }, 216 { "metric", NEXTARG, 0, setifmetric }, 217 { "mtu", NEXTARG, 0, setifmtu }, 218 { "bssid", NEXTARG, 0, setifbssid }, 219 { "-bssid", -1, 0, setifbssid }, 220 { "chan", NEXTARG, 0, setifchan }, 221 { "-chan", -1, 0, setifchan }, 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 #ifndef INET_ONLY 237 /* CARP */ 238 { "advbase", NEXTARG, 0, setcarp_advbase }, 239 { "advskew", NEXTARG, 0, setcarp_advskew }, 240 { "pass", NEXTARG, 0, setcarp_passwd }, 241 { "vhid", NEXTARG, 0, setcarp_vhid }, 242 { "state", NEXTARG, 0, setcarp_state }, 243 { "carpdev", NEXTARG, 0, setcarpdev }, 244 { "-carpdev", 1, 0, unsetcarpdev }, 245 #endif 246 #ifdef INET6 247 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 248 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 249 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 250 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 251 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 252 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 253 { "pltime", NEXTARG, 0, setia6pltime }, 254 { "vltime", NEXTARG, 0, setia6vltime }, 255 { "eui64", 0, 0, setia6eui64 }, 256 #endif /*INET6*/ 257 #ifndef INET_ONLY 258 { "range", NEXTARG, 0, setatrange }, 259 { "phase", NEXTARG, 0, setatphase }, 260 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 261 { "nsellength", NEXTARG, 0, setnsellength }, 262 #endif /* INET_ONLY */ 263 { "tunnel", NEXTARG2, 0, NULL, 264 settunnel } , 265 { "deletetunnel", 0, 0, deletetunnel }, 266 { "vlan", NEXTARG, 0, setvlan } , 267 { "vlanif", NEXTARG, 0, setvlanif } , 268 { "-vlanif", 0, 0, unsetvlanif } , 269 #if 0 270 /* XXX `create' special-cased below */ 271 { "create", 0, 0, clone_create } , 272 #endif 273 { "destroy", 0, 0, clone_destroy } , 274 { "link0", IFF_LINK0, 0, setifflags } , 275 { "-link0", -IFF_LINK0, 0, setifflags } , 276 { "link1", IFF_LINK1, 0, setifflags } , 277 { "-link1", -IFF_LINK1, 0, setifflags } , 278 { "link2", IFF_LINK2, 0, setifflags } , 279 { "-link2", -IFF_LINK2, 0, setifflags } , 280 { "media", NEXTARG, A_MEDIA, setmedia }, 281 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 282 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 283 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 284 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 285 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 286 { "ip4csum-tx", IFCAP_CSUM_IPv4_Tx,0, setifcaps }, 287 { "-ip4csum-tx",-IFCAP_CSUM_IPv4_Tx,0, setifcaps }, 288 { "ip4csum-rx", IFCAP_CSUM_IPv4_Rx,0, setifcaps }, 289 { "-ip4csum-rx",-IFCAP_CSUM_IPv4_Rx,0, setifcaps }, 290 { "tcp4csum-tx",IFCAP_CSUM_TCPv4_Tx,0, setifcaps }, 291 { "-tcp4csum-tx",-IFCAP_CSUM_TCPv4_Tx,0, setifcaps }, 292 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 293 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 294 { "udp4csum-tx",IFCAP_CSUM_UDPv4_Tx,0, setifcaps }, 295 { "-udp4csum-tx",-IFCAP_CSUM_UDPv4_Tx,0, setifcaps }, 296 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 297 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 298 { "tcp6csum-tx",IFCAP_CSUM_TCPv6_Tx,0, setifcaps }, 299 { "-tcp6csum-tx",-IFCAP_CSUM_TCPv6_Tx,0, setifcaps }, 300 { "tcp6csum-rx",IFCAP_CSUM_TCPv6_Rx,0, setifcaps }, 301 { "-tcp6csum-rx",-IFCAP_CSUM_TCPv6_Rx,0, setifcaps }, 302 { "udp6csum-tx",IFCAP_CSUM_UDPv6_Tx,0, setifcaps }, 303 { "-udp6csum-tx",-IFCAP_CSUM_UDPv6_Tx,0, setifcaps }, 304 { "udp6csum-rx",IFCAP_CSUM_UDPv6_Rx,0, setifcaps }, 305 { "-udp6csum-rx",-IFCAP_CSUM_UDPv6_Rx,0, setifcaps }, 306 { "ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx, 307 0, setifcaps }, 308 { "-ip4csum", -(IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx), 309 0, setifcaps }, 310 { "tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx, 311 0, setifcaps }, 312 { "-tcp4csum", -(IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx), 313 0, setifcaps }, 314 { "udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx, 315 0, setifcaps }, 316 { "-udp4csum", -(IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx), 317 0, setifcaps }, 318 { "tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx, 319 0, setifcaps }, 320 { "-tcp6csum", -(IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx), 321 0, setifcaps }, 322 { "udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx, 323 0, setifcaps }, 324 { "-udp6csum", -(IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx), 325 0, setifcaps }, 326 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 327 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 328 { "agrport", NEXTARG, 0, agraddport } , 329 { "-agrport", NEXTARG, 0, agrremport } , 330 { 0, 0, 0, setifaddr }, 331 { 0, 0, 0, setifdstaddr }, 332 }; 333 334 int getinfo(struct ifreq *); 335 int carrier(void); 336 void printall(const char *); 337 void list_cloners(void); 338 void status(const struct sockaddr_dl *); 339 void usage(void); 340 341 void print_media_word(int, const char *); 342 void process_media_commands(void); 343 void init_current_media(void); 344 345 /* Known address families */ 346 const struct afswtch afs[] = { 347 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 348 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 349 #ifdef INET6 350 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 351 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 352 /* 353 * Deleting the first address before setting new one is 354 * not prefered way in this protocol. 355 */ 356 0, 357 &in6_ridreq, &in6_addreq }, 358 #endif 359 #ifndef INET_ONLY /* small version, for boot media */ 360 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 361 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 362 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 363 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 364 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 365 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 366 &iso_ridreq, &iso_addreq }, 367 #endif /* INET_ONLY */ 368 { 0, 0, 0, 0 } 369 }; 370 371 const struct afswtch *afp; /*the address family being set or asked about*/ 372 373 int 374 main(int argc, char *argv[]) 375 { 376 int ch; 377 378 /* Parse command-line options */ 379 aflag = mflag = vflag = zflag = 0; 380 while ((ch = getopt(argc, argv, "AabCdhlmsuvz" 381 #ifdef INET6 382 "L" 383 #endif 384 )) != -1) { 385 switch (ch) { 386 case 'A': 387 warnx("-A is deprecated"); 388 break; 389 390 case 'a': 391 aflag = 1; 392 break; 393 394 case 'b': 395 bflag = 1; 396 break; 397 398 case 'C': 399 Cflag = 1; 400 break; 401 402 case 'd': 403 dflag = 1; 404 break; 405 case 'h': 406 hflag = 1; 407 break; 408 #ifdef INET6 409 case 'L': 410 Lflag = 1; 411 break; 412 #endif 413 414 case 'l': 415 lflag = 1; 416 break; 417 418 case 'm': 419 mflag = 1; 420 break; 421 422 case 's': 423 sflag = 1; 424 break; 425 426 case 'u': 427 uflag = 1; 428 break; 429 430 case 'v': 431 vflag = 1; 432 break; 433 434 case 'z': 435 zflag = 1; 436 break; 437 438 439 default: 440 usage(); 441 /* NOTREACHED */ 442 } 443 } 444 argc -= optind; 445 argv += optind; 446 447 /* 448 * -l means "list all interfaces", and is mutally exclusive with 449 * all other flags/commands. 450 * 451 * -C means "list all names of cloners", and it mutually exclusive 452 * with all other flags/commands. 453 * 454 * -a means "print status of all interfaces". 455 */ 456 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 457 usage(); 458 #ifdef INET6 459 if ((lflag || Cflag) && Lflag) 460 usage(); 461 #endif 462 if (lflag && Cflag) 463 usage(); 464 if (Cflag) { 465 if (argc) 466 usage(); 467 list_cloners(); 468 exit(0); 469 } 470 if (aflag || lflag) { 471 if (argc > 1) 472 usage(); 473 else if (argc == 1) { 474 afp = lookup_af_byname(argv[0]); 475 if (afp == NULL) 476 usage(); 477 } 478 if (afp) 479 af = ifr.ifr_addr.sa_family = afp->af_af; 480 else 481 af = ifr.ifr_addr.sa_family = afs[0].af_af; 482 printall(NULL); 483 exit(0); 484 } 485 486 /* Make sure there's an interface name. */ 487 if (argc < 1) 488 usage(); 489 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 490 errx(1, "interface name '%s' too long", argv[0]); 491 argc--; argv++; 492 493 /* 494 * NOTE: We must special-case the `create' command right 495 * here as we would otherwise fail in getinfo(). 496 */ 497 if (argc > 0 && strcmp(argv[0], "create") == 0) { 498 clone_create(argv[0], 0); 499 argc--, argv++; 500 if (argc == 0) 501 exit(0); 502 } 503 504 /* Check for address family. */ 505 afp = NULL; 506 if (argc > 0) { 507 afp = lookup_af_byname(argv[0]); 508 if (afp != NULL) { 509 argv++; 510 argc--; 511 } 512 } 513 514 /* Initialize af, just for use in getinfo(). */ 515 if (afp == NULL) 516 af = afs->af_af; 517 else 518 af = afp->af_af; 519 520 /* Get information about the interface. */ 521 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 522 if (getinfo(&ifr) < 0) 523 exit(1); 524 525 if (sflag) { 526 if (argc != 0) 527 usage(); 528 else 529 exit(carrier()); 530 } 531 532 /* No more arguments means interface status. */ 533 if (argc == 0) { 534 printall(name); 535 exit(0); 536 } 537 538 /* The following operations assume inet family as the default. */ 539 if (afp == NULL) 540 afp = afs; 541 af = ifr.ifr_addr.sa_family = afp->af_af; 542 543 #ifdef INET6 544 in6_init(); 545 #endif 546 547 /* Process commands. */ 548 while (argc > 0) { 549 const struct cmd *p; 550 551 for (p = cmds; p->c_name; p++) 552 if (strcmp(argv[0], p->c_name) == 0) 553 break; 554 if (p->c_name == 0 && setaddr) { 555 if ((flags & IFF_POINTOPOINT) == 0) { 556 errx(EXIT_FAILURE, 557 "can't set destination address %s", 558 "on non-point-to-point link"); 559 } 560 p++; /* got src, do dst */ 561 } 562 if (p->c_func != NULL || p->c_func2 != NULL) { 563 if (p->c_parameter == NEXTARG) { 564 if (argc < 2) 565 errx(EXIT_FAILURE, 566 "'%s' requires argument", 567 p->c_name); 568 (*p->c_func)(argv[1], 0); 569 argc--, argv++; 570 } else if (p->c_parameter == NEXTARG2) { 571 if (argc < 3) 572 errx(EXIT_FAILURE, 573 "'%s' requires 2 arguments", 574 p->c_name); 575 (*p->c_func2)(argv[1], argv[2]); 576 argc -= 2, argv += 2; 577 } else 578 (*p->c_func)(argv[0], p->c_parameter); 579 actions |= p->c_action; 580 } 581 argc--, argv++; 582 } 583 584 /* 585 * See if multiple alias, -alias, or delete commands were 586 * specified. More than one constitutes an invalid command line 587 */ 588 589 if (conflicting > 1) 590 errx(EXIT_FAILURE, 591 "Only one use of alias, -alias or delete is valid."); 592 593 /* Process any media commands that may have been issued. */ 594 process_media_commands(); 595 596 if (af == AF_INET6 && explicit_prefix == 0) { 597 /* 598 * Aggregatable address architecture defines all prefixes 599 * are 64. So, it is convenient to set prefixlen to 64 if 600 * it is not specified. 601 */ 602 setifprefixlen("64", 0); 603 /* in6_getprefix("64", MASK) if MASK is available here... */ 604 } 605 606 #ifndef INET_ONLY 607 if (af == AF_ISO) 608 adjust_nsellength(); 609 610 if (af == AF_APPLETALK) 611 checkatrange(&addreq.ifra_addr); 612 613 if (setipdst && af == AF_NS) 614 xns_set_nsip_route(&addreq.ifra_addr, &addreq.ifra_dstaddr); 615 #endif /* INET_ONLY */ 616 617 if (clearaddr) { 618 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 619 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 620 err(EXIT_FAILURE, "SIOCDIFADDR"); 621 } 622 if (newaddr > 0) { 623 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 624 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 625 warn("SIOCAIFADDR"); 626 } 627 628 if (g_ifcr_updated) { 629 (void) strncpy(g_ifcr.ifcr_name, name, 630 sizeof(g_ifcr.ifcr_name)); 631 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 632 err(EXIT_FAILURE, "SIOCSIFCAP"); 633 } 634 635 exit(0); 636 } 637 638 const struct afswtch * 639 lookup_af_byname(const char *cp) 640 { 641 const struct afswtch *a; 642 643 for (a = afs; a->af_name != NULL; a++) 644 if (strcmp(a->af_name, cp) == 0) 645 return (a); 646 return (NULL); 647 } 648 649 const struct afswtch * 650 lookup_af_bynum(int afnum) 651 { 652 const struct afswtch *a; 653 654 for (a = afs; a->af_name != NULL; a++) 655 if (a->af_af == afnum) 656 return (a); 657 return (NULL); 658 } 659 660 void 661 getsock(int naf) 662 { 663 static int oaf = -1; 664 665 if (oaf == naf) 666 return; 667 if (oaf != -1) 668 close(s); 669 s = socket(naf, SOCK_DGRAM, 0); 670 if (s < 0) 671 oaf = -1; 672 else 673 oaf = naf; 674 } 675 676 int 677 getinfo(struct ifreq *giifr) 678 { 679 680 getsock(af); 681 if (s < 0) 682 err(EXIT_FAILURE, "socket"); 683 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 684 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 685 return (-1); 686 } 687 flags = giifr->ifr_flags; 688 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 689 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 690 metric = 0; 691 } else 692 metric = giifr->ifr_metric; 693 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 694 mtu = 0; 695 else 696 mtu = giifr->ifr_mtu; 697 698 memset(&g_ifcr, 0, sizeof(g_ifcr)); 699 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 700 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 701 702 return (0); 703 } 704 705 void 706 printall(const char *ifname) 707 { 708 struct ifaddrs *ifap, *ifa; 709 struct ifreq paifr; 710 const struct sockaddr_dl *sdl = NULL; 711 int idx; 712 char *p; 713 714 if (getifaddrs(&ifap) != 0) 715 err(EXIT_FAILURE, "getifaddrs"); 716 p = NULL; 717 idx = 0; 718 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 719 memset(&paifr, 0, sizeof(paifr)); 720 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 721 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 722 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 723 ifa->ifa_addr->sa_len); 724 } 725 726 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 727 continue; 728 if (ifa->ifa_addr->sa_family == AF_LINK) 729 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 730 if (p && strcmp(p, ifa->ifa_name) == 0) 731 continue; 732 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 733 continue; 734 p = ifa->ifa_name; 735 736 if (getinfo(&paifr) < 0) 737 continue; 738 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 739 continue; 740 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 741 continue; 742 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 743 continue; 744 745 if (sflag && carrier()) 746 continue; 747 idx++; 748 /* 749 * Are we just listing the interfaces? 750 */ 751 if (lflag) { 752 if (idx > 1) 753 printf(" "); 754 fputs(name, stdout); 755 continue; 756 } 757 758 status(sdl); 759 sdl = NULL; 760 } 761 if (lflag) 762 printf("\n"); 763 freeifaddrs(ifap); 764 } 765 766 void 767 list_cloners(void) 768 { 769 struct if_clonereq ifcr; 770 char *cp, *buf; 771 int idx; 772 773 memset(&ifcr, 0, sizeof(ifcr)); 774 775 getsock(AF_INET); 776 777 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 778 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 779 780 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 781 if (buf == NULL) 782 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 783 784 ifcr.ifcr_count = ifcr.ifcr_total; 785 ifcr.ifcr_buffer = buf; 786 787 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 788 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 789 790 /* 791 * In case some disappeared in the mean time, clamp it down. 792 */ 793 if (ifcr.ifcr_count > ifcr.ifcr_total) 794 ifcr.ifcr_count = ifcr.ifcr_total; 795 796 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 797 if (idx > 0) 798 printf(" "); 799 printf("%s", cp); 800 } 801 802 printf("\n"); 803 free(buf); 804 return; 805 } 806 807 /*ARGSUSED*/ 808 void 809 clone_create(const char *addr, int param) 810 { 811 812 /* We're called early... */ 813 getsock(AF_INET); 814 815 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 816 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 817 err(EXIT_FAILURE, "SIOCIFCREATE"); 818 } 819 820 /*ARGSUSED*/ 821 void 822 clone_destroy(const char *addr, int param) 823 { 824 825 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 826 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 827 err(EXIT_FAILURE, "SIOCIFDESTROY"); 828 } 829 830 /*ARGSUSED*/ 831 void 832 setifaddr(const char *addr, int param) 833 { 834 struct ifreq *siifr; /* XXX */ 835 836 /* 837 * Delay the ioctl to set the interface addr until flags are all set. 838 * The address interpretation may depend on the flags, 839 * and the flags may change when the address is set. 840 */ 841 setaddr++; 842 if (newaddr == -1) 843 newaddr = 1; 844 if (doalias == 0 && afp->af_gifaddr != 0) { 845 siifr = (struct ifreq *)afp->af_ridreq; 846 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 847 siifr->ifr_addr.sa_family = afp->af_af; 848 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 849 clearaddr = 1; 850 else if (errno == EADDRNOTAVAIL) 851 /* No address was assigned yet. */ 852 ; 853 else 854 err(EXIT_FAILURE, "SIOCGIFADDR"); 855 } 856 857 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 858 } 859 860 void 861 setifnetmask(const char *addr, int d) 862 { 863 (*afp->af_getaddr)(addr, MASK); 864 } 865 866 void 867 setifbroadaddr(const char *addr, int d) 868 { 869 (*afp->af_getaddr)(addr, DSTADDR); 870 } 871 872 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 873 /*ARGSUSED*/ 874 void 875 notealias(const char *addr, int param) 876 { 877 if (setaddr && doalias == 0 && param < 0) 878 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 879 rqtosa(af_addreq)->sa_len); 880 doalias = param; 881 if (param < 0) { 882 clearaddr = 1; 883 newaddr = 0; 884 conflicting++; 885 } else { 886 clearaddr = 0; 887 conflicting++; 888 } 889 } 890 891 /*ARGSUSED*/ 892 void 893 notrailers(const char *vname, int value) 894 { 895 puts("Note: trailers are no longer sent, but always received"); 896 } 897 898 /*ARGSUSED*/ 899 void 900 setifdstaddr(const char *addr, int param) 901 { 902 (*afp->af_getaddr)(addr, DSTADDR); 903 } 904 905 void 906 setifflags(const char *vname, int value) 907 { 908 struct ifreq ifreq; 909 910 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 911 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 912 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 913 flags = ifreq.ifr_flags; 914 915 if (value < 0) { 916 value = -value; 917 flags &= ~value; 918 } else 919 flags |= value; 920 ifreq.ifr_flags = flags; 921 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 922 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 923 } 924 925 void 926 setifcaps(const char *vname, int value) 927 { 928 929 if (value < 0) { 930 value = -value; 931 g_ifcr.ifcr_capenable &= ~value; 932 } else 933 g_ifcr.ifcr_capenable |= value; 934 935 g_ifcr_updated = 1; 936 } 937 938 void 939 setifmetric(const char *val, int d) 940 { 941 char *ep = NULL; 942 943 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 944 ifr.ifr_metric = strtoul(val, &ep, 10); 945 if (!ep || *ep) 946 errx(EXIT_FAILURE, "%s: invalid metric", val); 947 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 948 warn("SIOCSIFMETRIC"); 949 } 950 951 void 952 setifmtu(const char *val, int d) 953 { 954 char *ep = NULL; 955 956 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 957 ifr.ifr_mtu = strtoul(val, &ep, 10); 958 if (!ep || *ep) 959 errx(EXIT_FAILURE, "%s: invalid mtu", val); 960 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 961 warn("SIOCSIFMTU"); 962 } 963 964 const char * 965 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 966 { 967 int len; 968 int hexstr; 969 u_int8_t *p; 970 971 len = *lenp; 972 p = buf; 973 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 974 if (hexstr) 975 val += 2; 976 for (;;) { 977 if (*val == '\0') 978 break; 979 if (sep != NULL && strchr(sep, *val) != NULL) { 980 val++; 981 break; 982 } 983 if (hexstr) { 984 if (!isxdigit((u_char)val[0]) || 985 !isxdigit((u_char)val[1])) { 986 warnx("bad hexadecimal digits"); 987 return NULL; 988 } 989 } 990 if (p > buf + len) { 991 if (hexstr) 992 warnx("hexadecimal digits too long"); 993 else 994 warnx("strings too long"); 995 return NULL; 996 } 997 if (hexstr) { 998 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 999 *p++ = (tohex((u_char)val[0]) << 4) | 1000 tohex((u_char)val[1]); 1001 #undef tohex 1002 val += 2; 1003 } else 1004 *p++ = *val++; 1005 } 1006 len = p - buf; 1007 if (len < *lenp) 1008 memset(p, 0, *lenp - len); 1009 *lenp = len; 1010 return val; 1011 } 1012 1013 void 1014 print_string(const u_int8_t *buf, int len) 1015 { 1016 int i; 1017 int hasspc; 1018 1019 i = 0; 1020 hasspc = 0; 1021 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1022 for (; i < len; i++) { 1023 if (!isprint(buf[i])) 1024 break; 1025 if (isspace(buf[i])) 1026 hasspc++; 1027 } 1028 } 1029 if (i == len) { 1030 if (hasspc || len == 0) 1031 printf("\"%.*s\"", len, buf); 1032 else 1033 printf("%.*s", len, buf); 1034 } else { 1035 printf("0x"); 1036 for (i = 0; i < len; i++) 1037 printf("%02x", buf[i]); 1038 } 1039 } 1040 1041 static void 1042 media_error(int type, const char *val, const char *opt) 1043 { 1044 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1045 get_media_type_string(type), opt, val); 1046 } 1047 1048 void 1049 init_current_media(void) 1050 { 1051 struct ifmediareq ifmr; 1052 1053 /* 1054 * If we have not yet done so, grab the currently-selected 1055 * media. 1056 */ 1057 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1058 (void) memset(&ifmr, 0, sizeof(ifmr)); 1059 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1060 1061 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1062 /* 1063 * If we get E2BIG, the kernel is telling us 1064 * that there are more, so we can ignore it. 1065 */ 1066 if (errno != E2BIG) 1067 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1068 } 1069 1070 media_current = ifmr.ifm_current; 1071 } 1072 1073 /* Sanity. */ 1074 if (IFM_TYPE(media_current) == 0) 1075 errx(EXIT_FAILURE, "%s: no link type?", name); 1076 } 1077 1078 void 1079 process_media_commands(void) 1080 { 1081 1082 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1083 /* Nothing to do. */ 1084 return; 1085 } 1086 1087 /* 1088 * Media already set up, and commands sanity-checked. Set/clear 1089 * any options, and we're ready to go. 1090 */ 1091 media_current |= mediaopt_set; 1092 media_current &= ~mediaopt_clear; 1093 1094 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1095 ifr.ifr_media = media_current; 1096 1097 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1098 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1099 } 1100 1101 void 1102 setmedia(const char *val, int d) 1103 { 1104 int type, subtype, inst; 1105 1106 init_current_media(); 1107 1108 /* Only one media command may be given. */ 1109 if (actions & A_MEDIA) 1110 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1111 1112 /* Must not come after mode commands */ 1113 if (actions & A_MEDIAMODE) 1114 errx(EXIT_FAILURE, 1115 "may not issue `media' after `mode' commands"); 1116 1117 /* Must not come after mediaopt commands */ 1118 if (actions & A_MEDIAOPT) 1119 errx(EXIT_FAILURE, 1120 "may not issue `media' after `mediaopt' commands"); 1121 1122 /* 1123 * No need to check if `instance' has been issued; setmediainst() 1124 * craps out if `media' has not been specified. 1125 */ 1126 1127 type = IFM_TYPE(media_current); 1128 inst = IFM_INST(media_current); 1129 1130 /* Look up the subtype. */ 1131 subtype = get_media_subtype(type, val); 1132 if (subtype == -1) 1133 media_error(type, val, "subtype"); 1134 1135 /* Build the new current media word. */ 1136 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1137 1138 /* Media will be set after other processing is complete. */ 1139 } 1140 1141 void 1142 setmediaopt(const char *val, int d) 1143 { 1144 char *invalid; 1145 1146 init_current_media(); 1147 1148 /* Can only issue `mediaopt' once. */ 1149 if (actions & A_MEDIAOPTSET) 1150 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1151 1152 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1153 if (actions & A_MEDIAINST) 1154 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1155 1156 mediaopt_set = get_media_options(media_current, val, &invalid); 1157 if (mediaopt_set == -1) 1158 media_error(media_current, invalid, "option"); 1159 1160 /* Media will be set after other processing is complete. */ 1161 } 1162 1163 void 1164 unsetmediaopt(const char *val, int d) 1165 { 1166 char *invalid; 1167 1168 init_current_media(); 1169 1170 /* Can only issue `-mediaopt' once. */ 1171 if (actions & A_MEDIAOPTCLR) 1172 errx(EXIT_FAILURE, 1173 "only one `-mediaopt' command may be issued"); 1174 1175 /* May not issue `media' and `-mediaopt'. */ 1176 if (actions & A_MEDIA) 1177 errx(EXIT_FAILURE, 1178 "may not issue both `media' and `-mediaopt'"); 1179 1180 /* 1181 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1182 * implicitly checks for A_MEDIAINST. 1183 */ 1184 1185 mediaopt_clear = get_media_options(media_current, val, &invalid); 1186 if (mediaopt_clear == -1) 1187 media_error(media_current, invalid, "option"); 1188 1189 /* Media will be set after other processing is complete. */ 1190 } 1191 1192 void 1193 setmediainst(const char *val, int d) 1194 { 1195 int type, subtype, options, inst; 1196 1197 init_current_media(); 1198 1199 /* Can only issue `instance' once. */ 1200 if (actions & A_MEDIAINST) 1201 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1202 1203 /* Must have already specified `media' */ 1204 if ((actions & A_MEDIA) == 0) 1205 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1206 1207 type = IFM_TYPE(media_current); 1208 subtype = IFM_SUBTYPE(media_current); 1209 options = IFM_OPTIONS(media_current); 1210 1211 inst = atoi(val); 1212 if (inst < 0 || inst > IFM_INST_MAX) 1213 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1214 1215 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1216 1217 /* Media will be set after other processing is complete. */ 1218 } 1219 1220 void 1221 setmediamode(const char *val, int d) 1222 { 1223 int type, subtype, options, inst, mode; 1224 1225 init_current_media(); 1226 1227 /* Can only issue `mode' once. */ 1228 if (actions & A_MEDIAMODE) 1229 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1230 1231 type = IFM_TYPE(media_current); 1232 subtype = IFM_SUBTYPE(media_current); 1233 options = IFM_OPTIONS(media_current); 1234 inst = IFM_INST(media_current); 1235 1236 mode = get_media_mode(type, val); 1237 if (mode == -1) 1238 media_error(type, val, "mode"); 1239 1240 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1241 1242 /* Media will be set after other processing is complete. */ 1243 } 1244 1245 void 1246 print_media_word(int ifmw, const char *opt_sep) 1247 { 1248 const char *str; 1249 1250 printf("%s", get_media_subtype_string(ifmw)); 1251 1252 /* Find mode. */ 1253 if (IFM_MODE(ifmw) != 0) { 1254 str = get_media_mode_string(ifmw); 1255 if (str != NULL) 1256 printf(" mode %s", str); 1257 } 1258 1259 /* Find options. */ 1260 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1261 printf("%s%s", opt_sep, str); 1262 1263 if (IFM_INST(ifmw) != 0) 1264 printf(" instance %d", IFM_INST(ifmw)); 1265 } 1266 1267 int 1268 carrier(void) 1269 { 1270 struct ifmediareq ifmr; 1271 1272 (void) memset(&ifmr, 0, sizeof(ifmr)); 1273 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1274 1275 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1276 /* 1277 * Interface doesn't support SIOC{G,S}IFMEDIA; 1278 * assume ok. 1279 */ 1280 return 0; 1281 } 1282 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1283 /* 1284 * Interface doesn't report media-valid status. 1285 * assume ok. 1286 */ 1287 return 0; 1288 } 1289 /* otherwise, return ok for active, not-ok if not active. */ 1290 return !(ifmr.ifm_status & IFM_ACTIVE); 1291 } 1292 1293 1294 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1295 1296 const struct ifmedia_status_description ifm_status_descriptions[] = 1297 IFM_STATUS_DESCRIPTIONS; 1298 1299 /* 1300 * Print the status of the interface. If an address family was 1301 * specified, show it and it only; otherwise, show them all. 1302 */ 1303 void 1304 status(const struct sockaddr_dl *sdl) 1305 { 1306 const struct afswtch *p = afp; 1307 struct ifmediareq ifmr; 1308 struct ifdatareq ifdr; 1309 int *media_list, i; 1310 char hbuf[NI_MAXHOST]; 1311 char fbuf[BUFSIZ]; 1312 1313 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1314 printf("%s: flags=%s", name, &fbuf[2]); 1315 if (metric) 1316 printf(" metric %lu", metric); 1317 if (mtu) 1318 printf(" mtu %lu", mtu); 1319 printf("\n"); 1320 1321 if (g_ifcr.ifcr_capabilities) { 1322 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1323 g_ifcr.ifcr_capabilities); 1324 printf("\tcapabilities=%s\n", &fbuf[2]); 1325 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1326 g_ifcr.ifcr_capenable); 1327 printf("\tenabled=%s\n", &fbuf[2]); 1328 } 1329 1330 ieee80211_status(); 1331 vlan_status(); 1332 #ifndef INET_ONLY 1333 carp_status(); 1334 #endif 1335 tunnel_status(); 1336 agr_status(); 1337 1338 if (sdl != NULL && 1339 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1340 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1341 hbuf[0] != '\0') 1342 printf("\taddress: %s\n", hbuf); 1343 1344 (void) memset(&ifmr, 0, sizeof(ifmr)); 1345 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1346 1347 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1348 /* 1349 * Interface doesn't support SIOC{G,S}IFMEDIA. 1350 */ 1351 goto iface_stats; 1352 } 1353 1354 if (ifmr.ifm_count == 0) { 1355 warnx("%s: no media types?", name); 1356 goto iface_stats; 1357 } 1358 1359 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1360 if (media_list == NULL) 1361 err(EXIT_FAILURE, "malloc"); 1362 ifmr.ifm_ulist = media_list; 1363 1364 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1365 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1366 1367 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1368 print_media_word(ifmr.ifm_current, " "); 1369 if (ifmr.ifm_active != ifmr.ifm_current) { 1370 printf(" ("); 1371 print_media_word(ifmr.ifm_active, " "); 1372 printf(")"); 1373 } 1374 printf("\n"); 1375 1376 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1377 const struct ifmedia_status_description *ifms; 1378 int bitno, found = 0; 1379 1380 printf("\tstatus: "); 1381 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1382 for (ifms = ifm_status_descriptions; 1383 ifms->ifms_valid != 0; ifms++) { 1384 if (ifms->ifms_type != 1385 IFM_TYPE(ifmr.ifm_current) || 1386 ifms->ifms_valid != 1387 ifm_status_valid_list[bitno]) 1388 continue; 1389 printf("%s%s", found ? ", " : "", 1390 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1391 found = 1; 1392 1393 /* 1394 * For each valid indicator bit, there's 1395 * only one entry for each media type, so 1396 * terminate the inner loop now. 1397 */ 1398 break; 1399 } 1400 } 1401 1402 if (found == 0) 1403 printf("unknown"); 1404 printf("\n"); 1405 } 1406 1407 if (mflag) { 1408 int type, printed_type; 1409 1410 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1411 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1412 if (IFM_TYPE(media_list[i]) != type) 1413 continue; 1414 if (printed_type == 0) { 1415 printf("\tsupported %s media:\n", 1416 get_media_type_string(type)); 1417 printed_type = 1; 1418 } 1419 printf("\t\tmedia "); 1420 print_media_word(media_list[i], " mediaopt "); 1421 printf("\n"); 1422 } 1423 } 1424 } 1425 1426 free(media_list); 1427 1428 iface_stats: 1429 if (!vflag && !zflag) 1430 goto proto_status; 1431 1432 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1433 1434 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1435 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1436 } else { 1437 struct if_data * const ifi = &ifdr.ifdr_data; 1438 char buf[5]; 1439 1440 #define PLURAL(n) ((n) == 1 ? "" : "s") 1441 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s") 1442 printf("\tinput: %llu packet%s, ", 1443 (unsigned long long) ifi->ifi_ipackets, 1444 PLURAL(ifi->ifi_ipackets)); 1445 if (hflag) { 1446 (void) humanize_number(buf, sizeof(buf), 1447 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE, 1448 HN_NOSPACE | HN_DECIMAL); 1449 printf("%s byte%s", buf, 1450 PLURALSTR(buf)); 1451 } else 1452 printf("%llu byte%s", 1453 (unsigned long long) ifi->ifi_ibytes, 1454 PLURAL(ifi->ifi_ibytes)); 1455 if (ifi->ifi_imcasts) 1456 printf(", %llu multicast%s", 1457 (unsigned long long) ifi->ifi_imcasts, 1458 PLURAL(ifi->ifi_imcasts)); 1459 if (ifi->ifi_ierrors) 1460 printf(", %llu error%s", 1461 (unsigned long long) ifi->ifi_ierrors, 1462 PLURAL(ifi->ifi_ierrors)); 1463 if (ifi->ifi_iqdrops) 1464 printf(", %llu queue drop%s", 1465 (unsigned long long) ifi->ifi_iqdrops, 1466 PLURAL(ifi->ifi_iqdrops)); 1467 if (ifi->ifi_noproto) 1468 printf(", %llu unknown protocol", 1469 (unsigned long long) ifi->ifi_noproto); 1470 printf("\n\toutput: %llu packet%s, ", 1471 (unsigned long long) ifi->ifi_opackets, 1472 PLURAL(ifi->ifi_opackets)); 1473 if (hflag) { 1474 (void) humanize_number(buf, sizeof(buf), 1475 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE, 1476 HN_NOSPACE | HN_DECIMAL); 1477 printf("%s byte%s", buf, 1478 PLURALSTR(buf)); 1479 } else 1480 printf("%llu byte%s", 1481 (unsigned long long) ifi->ifi_obytes, 1482 PLURAL(ifi->ifi_obytes)); 1483 if (ifi->ifi_omcasts) 1484 printf(", %llu multicast%s", 1485 (unsigned long long) ifi->ifi_omcasts, 1486 PLURAL(ifi->ifi_omcasts)); 1487 if (ifi->ifi_oerrors) 1488 printf(", %llu error%s", 1489 (unsigned long long) ifi->ifi_oerrors, 1490 PLURAL(ifi->ifi_oerrors)); 1491 if (ifi->ifi_collisions) 1492 printf(", %llu collision%s", 1493 (unsigned long long) ifi->ifi_collisions, 1494 PLURAL(ifi->ifi_collisions)); 1495 printf("\n"); 1496 #undef PLURAL 1497 #undef PLURALSTR 1498 } 1499 1500 ieee80211_statistics(); 1501 1502 proto_status: 1503 if ((p = afp) != NULL) { 1504 (*p->af_status)(1); 1505 } else for (p = afs; p->af_name; p++) { 1506 ifr.ifr_addr.sa_family = p->af_af; 1507 (*p->af_status)(0); 1508 } 1509 } 1510 1511 void 1512 setifprefixlen(const char *addr, int d) 1513 { 1514 if (*afp->af_getprefix) 1515 (*afp->af_getprefix)(addr, MASK); 1516 explicit_prefix = 1; 1517 } 1518 1519 void 1520 usage(void) 1521 { 1522 const char *progname = getprogname(); 1523 1524 fprintf(stderr, 1525 "usage: %s [-h] [-m] [-v] [-z] " 1526 #ifdef INET6 1527 "[-L] " 1528 #endif 1529 "interface\n" 1530 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 1531 "\t\t[ alias | -alias ] ]\n" 1532 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 1533 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 1534 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 1535 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n" 1536 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 1537 "\t[ arp | -arp ]\n" 1538 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 1539 "[ instance minst ]\n" 1540 "\t[ vlan n vlanif i ]\n" 1541 "\t[ agrport i ] [ -agrport i ]\n" 1542 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 1543 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 1544 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 1545 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 1546 " %s -l [-b] [-d] [-u] [-s]\n" 1547 " %s -C\n" 1548 " %s interface create\n" 1549 " %s interface destroy\n", 1550 progname, progname, progname, progname, progname, progname); 1551 exit(1); 1552 } 1553
Indexes created Tue Sep 30 20:09:53 GMT 2025