ifconfig.c revision 1.200
1 /* $NetBSD: ifconfig.c,v 1.200 2008/05/07 21:29:27 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Copyright (c) 1983, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 */ 61 62 #include <sys/cdefs.h> 63 #ifndef lint 64 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 65 The Regents of the University of California. All rights reserved.\n"); 66 #endif /* not lint */ 67 68 #ifndef lint 69 #if 0 70 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 71 #else 72 __RCSID("$NetBSD: ifconfig.c,v 1.200 2008/05/07 21:29:27 dyoung Exp $"); 73 #endif 74 #endif /* not lint */ 75 76 #include <sys/param.h> 77 #include <sys/socket.h> 78 #include <sys/ioctl.h> 79 80 #include <net/if.h> 81 #include <net/if_dl.h> 82 #include <net/if_media.h> 83 #include <net/if_ether.h> 84 #include <netinet/in.h> /* XXX */ 85 #include <netinet/in_var.h> /* XXX */ 86 87 #include <netdb.h> 88 89 #include <sys/protosw.h> 90 91 #include <assert.h> 92 #include <ctype.h> 93 #include <err.h> 94 #include <errno.h> 95 #include <stdbool.h> 96 #include <stddef.h> 97 #include <stdio.h> 98 #include <stdlib.h> 99 #include <string.h> 100 #include <unistd.h> 101 #include <ifaddrs.h> 102 #include <util.h> 103 104 #include "extern.h" 105 106 #ifndef INET_ONLY 107 #include "af_atalk.h" 108 #include "af_iso.h" 109 #endif /* ! INET_ONLY */ 110 #include "af_inet.h" 111 #ifdef INET6 112 #include "af_inet6.h" 113 #endif /* INET6 */ 114 115 #include "agr.h" 116 #include "carp.h" 117 #include "ieee80211.h" 118 #include "tunnel.h" 119 #include "vlan.h" 120 #include "parse.h" 121 #include "env.h" 122 123 int setaddr, doalias; 124 int clearaddr; 125 int newaddr = -1; 126 int check_up_state = -1; 127 int bflag, dflag, hflag, lflag, mflag, sflag, uflag, vflag, zflag; 128 #ifdef INET6 129 int Lflag; 130 #endif 131 132 /* 133 * Media stuff. Whenever a media command is first performed, the 134 * currently select media is grabbed for this interface. If `media' 135 * is given, the current media word is modifed. `mediaopt' commands 136 * only modify the set and clear words. They then operate on the 137 * current media word later. 138 */ 139 int media_current; 140 int mediaopt_set; 141 int mediaopt_clear; 142 143 void check_ifflags_up(const char *); 144 145 int notealias(prop_dictionary_t, prop_dictionary_t); 146 int notrailers(prop_dictionary_t, prop_dictionary_t); 147 int setifaddr(prop_dictionary_t, prop_dictionary_t); 148 int setifdstormask(prop_dictionary_t, prop_dictionary_t); 149 int setifflags(prop_dictionary_t, prop_dictionary_t); 150 static int setifcaps(prop_dictionary_t, prop_dictionary_t); 151 int setifbroadaddr(prop_dictionary_t, prop_dictionary_t); 152 static int setifmetric(prop_dictionary_t, prop_dictionary_t); 153 static int setifmtu(prop_dictionary_t, prop_dictionary_t); 154 int setifnetmask(prop_dictionary_t, prop_dictionary_t); 155 int setifprefixlen(prop_dictionary_t, prop_dictionary_t); 156 int setmedia(prop_dictionary_t, prop_dictionary_t); 157 int setmediamode(prop_dictionary_t, prop_dictionary_t); 158 int setmediaopt(prop_dictionary_t, prop_dictionary_t); 159 int unsetmediaopt(prop_dictionary_t, prop_dictionary_t); 160 int setmediainst(prop_dictionary_t, prop_dictionary_t); 161 static int clone_command(prop_dictionary_t, prop_dictionary_t); 162 static void do_setifpreference(prop_dictionary_t); 163 164 static int no_cmds_exec(prop_dictionary_t, prop_dictionary_t); 165 static int media_status_exec(prop_dictionary_t, prop_dictionary_t); 166 167 int carrier(prop_dictionary_t); 168 void printall(const char *, prop_dictionary_t); 169 int list_cloners(prop_dictionary_t, prop_dictionary_t); 170 void status(const struct sockaddr_dl *, prop_dictionary_t, 171 prop_dictionary_t); 172 void usage(void); 173 174 void print_media_word(int, const char *); 175 void process_media_commands(prop_dictionary_t); 176 void init_current_media(prop_dictionary_t, prop_dictionary_t); 177 178 /* Known address families */ 179 static const struct afswtch afs[] = { 180 {.af_name = "inet", .af_af = AF_INET, .af_status = in_status, 181 .af_addr_commit = commit_address} 182 183 #ifdef INET6 184 , {.af_name = "inet6", .af_af = AF_INET6, .af_status = in6_status, 185 .af_getaddr = in6_getaddr, .af_getprefix = in6_getprefix, 186 .af_difaddr = SIOCDIFADDR_IN6, .af_aifaddr = SIOCAIFADDR_IN6, 187 /* Deleting the first address before setting new one is 188 * not prefered way in this protocol. 189 */ 190 .af_gifaddr = 0, .af_ridreq = &in6_ridreq, .af_addreq = &in6_addreq} 191 #endif 192 193 #ifndef INET_ONLY /* small version, for boot media */ 194 , {.af_name = "atalk", .af_af = AF_APPLETALK, .af_status = at_status, 195 .af_getaddr = at_getaddr, NULL, .af_difaddr = SIOCDIFADDR, 196 .af_aifaddr = SIOCAIFADDR, .af_gifaddr = SIOCGIFADDR, 197 .af_ridreq = &at_addreq, .af_addreq = &at_addreq} 198 , {.af_name = "iso", .af_af = AF_ISO, .af_status = iso_status, 199 .af_getaddr = iso_getaddr, NULL, .af_difaddr = SIOCDIFADDR_ISO, 200 .af_aifaddr = SIOCAIFADDR_ISO, .af_gifaddr = SIOCGIFADDR_ISO, 201 .af_ridreq = &iso_ridreq, .af_addreq = &iso_addreq} 202 #endif /* INET_ONLY */ 203 204 , {.af_name = NULL} /* sentinel */ 205 }; 206 207 static const struct kwinst ifflagskw[] = { 208 IFKW("arp", IFF_NOARP) 209 , IFKW("debug", IFF_DEBUG) 210 , IFKW("link0", IFF_LINK0) 211 , IFKW("link1", IFF_LINK1) 212 , IFKW("link2", IFF_LINK2) 213 , {.k_word = "down", .k_type = KW_T_NUM, .k_num = -IFF_UP} 214 , {.k_word = "up", .k_type = KW_T_NUM, .k_num = IFF_UP} 215 }; 216 217 static const struct kwinst ifcapskw[] = { 218 IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx) 219 , IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx) 220 , IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx) 221 , IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx) 222 , IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx) 223 , IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx) 224 , IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx) 225 , IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx) 226 , IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx) 227 , IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx) 228 , IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx) 229 , IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx) 230 , IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx) 231 , IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx) 232 , IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx) 233 , IFKW("tso4", IFCAP_TSOv4) 234 , IFKW("tso6", IFCAP_TSOv6) 235 }; 236 237 extern struct pbranch command_root; 238 extern struct pbranch opt_command; 239 extern struct pbranch opt_family, opt_silent_family; 240 extern struct pkw cloning, silent_family, family, ifcaps, ifflags, misc; 241 242 struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10, 243 setifmetric, "metric", &command_root.pb_parser); 244 245 struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10, 246 setifmtu, "mtu", &command_root.pb_parser); 247 248 struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen, 249 "prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser); 250 251 struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference, 252 "preference", INT16_MIN, INT16_MAX, 10, NULL, "preference", 253 &command_root.pb_parser); 254 255 struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask", 256 setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser); 257 258 struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast, 259 "broadcast address", 260 setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser); 261 262 struct pstr mediamode = PSTR_INITIALIZER(&mediamode, "mediamode", 263 setmediamode, "mediamode", &command_root.pb_parser); 264 265 struct pinteger mediainst = PINTEGER_INITIALIZER1(&mediainst, "mediainst", 266 0, IFM_INST_MAX, 10, setmediainst, "mediainst", &command_root.pb_parser); 267 268 struct pstr unmediaopt = PSTR_INITIALIZER(&unmediaopt, "-mediaopt", 269 unsetmediaopt, "unmediaopt", &command_root.pb_parser); 270 271 struct pstr mediaopt = PSTR_INITIALIZER(&mediaopt, "mediaopt", 272 setmediaopt, "mediaopt", &command_root.pb_parser); 273 274 struct pstr media = PSTR_INITIALIZER(&media, "media", 275 setmedia, "media", &command_root.pb_parser); 276 277 static const struct kwinst misckw[] = { 278 {.k_word = "alias", .k_key = "alias", .k_deact = "alias", 279 .k_type = KW_T_BOOL, .k_neg = true, 280 .k_bool = true, .k_negbool = false, 281 .k_exec = notealias, .k_nextparser = &command_root.pb_parser} 282 , {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser} 283 , {.k_word = "delete", .k_key = "alias", .k_deact = "alias", 284 .k_type = KW_T_BOOL, .k_bool = false, .k_exec = notealias, 285 .k_nextparser = &command_root.pb_parser} 286 , {.k_word = "instance", .k_key = "anymedia", .k_type = KW_T_BOOL, 287 .k_bool = true, .k_act = "media", .k_deact = "mediainst", 288 .k_nextparser = &mediainst.pi_parser} 289 , {.k_word = "inst", .k_key = "anymedia", .k_type = KW_T_BOOL, 290 .k_bool = true, .k_act = "media", .k_deact = "mediainst", 291 .k_nextparser = &mediainst.pi_parser} 292 , {.k_word = "media", .k_key = "anymedia", .k_type = KW_T_BOOL, 293 .k_bool = true, .k_deact = "media", .k_altdeact = "anymedia", 294 .k_nextparser = &media.ps_parser} 295 , {.k_word = "mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL, 296 .k_bool = true, .k_deact = "mediaopt", .k_altdeact = "instance", 297 .k_nextparser = &mediaopt.ps_parser} 298 , {.k_word = "-mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL, 299 .k_bool = true, .k_deact = "unmediaopt", .k_altdeact = "media", 300 .k_nextparser = &unmediaopt.ps_parser} 301 , {.k_word = "mode", .k_key = "anymedia", .k_type = KW_T_BOOL, 302 .k_bool = true, .k_deact = "mode", 303 .k_nextparser = &mediamode.ps_parser} 304 , {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser} 305 , {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser} 306 , {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser} 307 , {.k_word = "preference", .k_act = "address", 308 .k_nextparser = &parse_preference.pi_parser} 309 , {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser} 310 , {.k_word = "trailers", .k_neg = true, 311 .k_exec = notrailers, .k_nextparser = &command_root.pb_parser} 312 }; 313 314 /* key: clonecmd */ 315 static const struct kwinst clonekw[] = { 316 {.k_word = "create", .k_type = KW_T_NUM, .k_num = SIOCIFCREATE, 317 .k_nextparser = &opt_silent_family.pb_parser}, 318 {.k_word = "destroy", .k_type = KW_T_NUM, .k_num = SIOCIFDESTROY} 319 }; 320 321 static const struct kwinst familykw[] = { 322 {.k_word = "inet", .k_type = KW_T_NUM, .k_num = AF_INET, 323 .k_nextparser = NULL} 324 #ifdef INET6 325 , {.k_word = "inet6", .k_type = KW_T_NUM, .k_num = AF_INET6, 326 .k_nextparser = NULL} 327 #endif 328 #ifndef INET_ONLY /* small version, for boot media */ 329 , {.k_word = "atalk", .k_type = KW_T_NUM, .k_num = AF_APPLETALK, 330 .k_nextparser = NULL} 331 , {.k_word = "iso", .k_type = KW_T_NUM, .k_num = AF_ISO, 332 .k_nextparser = NULL} 333 #endif /* INET_ONLY */ 334 }; 335 336 struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners", 337 list_cloners, "none"); 338 339 struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec, 340 "none"); 341 342 struct pkw family_only = 343 PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw, 344 __arraycount(familykw), &no_cmds.pt_parser); 345 346 struct paddr address = PADDR_INITIALIZER(&address, 347 "local address (address 1)", 348 setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser); 349 350 struct paddr dstormask = PADDR_INITIALIZER(&dstormask, 351 "destination/netmask (address 2)", 352 setifdstormask, "dstormask", NULL, "address", "dstormask", 353 &command_root.pb_parser); 354 355 struct paddr broadcast = PADDR_INITIALIZER(&broadcast, 356 "broadcast address (address 3)", 357 setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast", 358 &command_root.pb_parser); 359 360 struct branch opt_clone_brs[] = { 361 {.b_nextparser = &cloning.pk_parser} 362 , {.b_nextparser = &opt_family.pb_parser} 363 }, opt_silent_family_brs[] = { 364 {.b_nextparser = &silent_family.pk_parser} 365 , {.b_nextparser = &command_root.pb_parser} 366 }, opt_family_brs[] = { 367 {.b_nextparser = &family.pk_parser} 368 , {.b_nextparser = &opt_command.pb_parser} 369 }, command_root_brs[] = { 370 {.b_nextparser = &ieee80211bool.pk_parser} 371 , {.b_nextparser = &ifflags.pk_parser} 372 , {.b_nextparser = &ifcaps.pk_parser} 373 #ifdef INET6 374 , {.b_nextparser = &ia6flags.pk_parser} 375 , {.b_nextparser = &inet6.pk_parser} 376 #endif /*INET6*/ 377 , {.b_nextparser = &misc.pk_parser} 378 , {.b_nextparser = &tunnel.pk_parser} 379 , {.b_nextparser = &vlan.pk_parser} 380 , {.b_nextparser = &agr.pk_parser} 381 #ifndef INET_ONLY 382 , {.b_nextparser = &carp.pk_parser} 383 , {.b_nextparser = &atalk.pk_parser} 384 , {.b_nextparser = &iso.pk_parser} 385 #endif 386 , {.b_nextparser = &kw80211.pk_parser} 387 , {.b_nextparser = &address.pa_parser} 388 , {.b_nextparser = &dstormask.pa_parser} 389 , {.b_nextparser = &broadcast.pa_parser} 390 , {.b_nextparser = NULL} 391 }, opt_command_brs[] = { 392 {.b_nextparser = &no_cmds.pt_parser} 393 , {.b_nextparser = &command_root.pb_parser} 394 }; 395 396 struct branch opt_family_only_brs[] = { 397 {.b_nextparser = &no_cmds.pt_parser} 398 , {.b_nextparser = &family_only.pk_parser} 399 }; 400 struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only, 401 "opt-family-only", opt_family_only_brs, 402 __arraycount(opt_family_only_brs), true); 403 struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command, 404 "optional command", 405 opt_command_brs, __arraycount(opt_command_brs), true); 406 407 struct pbranch command_root = PBRANCH_INITIALIZER(&command_root, 408 "command-root", command_root_brs, __arraycount(command_root_brs), true); 409 410 struct piface iface_opt_family_only = 411 PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only", 412 NULL, "if", &opt_family_only.pb_parser); 413 414 struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af", 415 familykw, __arraycount(familykw), &opt_command.pb_parser); 416 417 struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family", 418 NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser); 419 420 struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps, 421 "ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser); 422 423 struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags, 424 "ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser); 425 426 struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command, 427 "clonecmd", clonekw, __arraycount(clonekw), NULL); 428 429 struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL, 430 misckw, __arraycount(misckw), NULL); 431 432 struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone, 433 "opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true); 434 435 struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family, 436 "optional silent family", opt_silent_family_brs, 437 __arraycount(opt_silent_family_brs), true); 438 439 struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family, 440 "opt-family", opt_family_brs, __arraycount(opt_family_brs), true); 441 442 struct piface iface_start = PIFACE_INITIALIZER(&iface_start, 443 "iface-opt-family", NULL, "if", &opt_clone.pb_parser); 444 445 struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface", 446 media_status_exec, "if", NULL); 447 448 static struct parser * 449 init_parser(void) 450 { 451 if (parser_init(&iface_opt_family_only.pif_parser) == -1) 452 err(EXIT_FAILURE, "parser_init(iface_opt_family_only)"); 453 if (parser_init(&iface_only.pif_parser) == -1) 454 err(EXIT_FAILURE, "parser_init(iface_only)"); 455 if (parser_init(&iface_start.pif_parser) == -1) 456 err(EXIT_FAILURE, "parser_init(iface_start)"); 457 458 return &iface_start.pif_parser; 459 } 460 461 static int 462 no_cmds_exec(prop_dictionary_t env, prop_dictionary_t xenv) 463 { 464 const char *ifname; 465 unsigned short ignore; 466 467 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */ 468 if ((ifname = getifname(env)) == NULL) 469 ; 470 else if (getifflags(env, xenv, &ignore) == -1) 471 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname); 472 473 printall(ifname, env); 474 exit(EXIT_SUCCESS); 475 } 476 477 static int 478 media_status_exec(prop_dictionary_t env, prop_dictionary_t xenv) 479 { 480 const char *ifname; 481 unsigned short ignore; 482 483 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */ 484 if ((ifname = getifname(env)) == NULL) 485 ; 486 else if (getifflags(env, xenv, &ignore) == -1) 487 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname); 488 489 exit(carrier(env)); 490 } 491 492 static void 493 do_setifcaps(int s, const char *ifname, prop_dictionary_t env) 494 { 495 struct ifcapreq ifcr; 496 prop_data_t d; 497 498 d = (prop_data_t )prop_dictionary_get(env, "ifcaps"); 499 if (d == NULL) 500 return; 501 502 assert(sizeof(ifcr) == prop_data_size(d)); 503 504 memcpy(&ifcr, prop_data_data_nocopy(d), sizeof(ifcr)); 505 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name)); 506 if (ioctl(s, SIOCSIFCAP, &ifcr) == -1) 507 err(EXIT_FAILURE, "SIOCSIFCAP"); 508 } 509 510 int 511 main(int argc, char **argv) 512 { 513 const struct afswtch *afp; 514 int af, aflag = 0, Cflag = 0, s; 515 struct match match[32]; 516 size_t nmatch; 517 struct parser *start; 518 int ch, narg = 0, rc; 519 prop_dictionary_t env, xenv; 520 const char *ifname; 521 522 memset(match, 0, sizeof(match)); 523 524 start = init_parser(); 525 526 /* Parse command-line options */ 527 aflag = mflag = vflag = zflag = 0; 528 while ((ch = getopt(argc, argv, "AabCdhlmsuvz" 529 #ifdef INET6 530 "L" 531 #endif 532 )) != -1) { 533 switch (ch) { 534 case 'A': 535 warnx("-A is deprecated"); 536 break; 537 538 case 'a': 539 aflag = 1; 540 break; 541 542 case 'b': 543 bflag = 1; 544 break; 545 546 case 'C': 547 Cflag = 1; 548 break; 549 550 case 'd': 551 dflag = 1; 552 break; 553 case 'h': 554 hflag = 1; 555 break; 556 #ifdef INET6 557 case 'L': 558 Lflag = 1; 559 break; 560 #endif 561 562 case 'l': 563 lflag = 1; 564 break; 565 566 case 'm': 567 mflag = 1; 568 break; 569 570 case 's': 571 sflag = 1; 572 break; 573 574 case 'u': 575 uflag = 1; 576 break; 577 578 case 'v': 579 vflag = 1; 580 break; 581 582 case 'z': 583 zflag = 1; 584 break; 585 586 587 default: 588 usage(); 589 /* NOTREACHED */ 590 } 591 switch (ch) { 592 case 'a': 593 start = &opt_family_only.pb_parser; 594 break; 595 596 #ifdef INET6 597 case 'L': 598 #endif 599 case 'm': 600 case 'v': 601 case 'z': 602 if (start != &opt_family_only.pb_parser) 603 start = &iface_opt_family_only.pif_parser; 604 break; 605 case 'C': 606 start = &cloneterm.pt_parser; 607 break; 608 case 'l': 609 start = &no_cmds.pt_parser; 610 break; 611 case 's': 612 if (start != &no_cmds.pt_parser && 613 start != &opt_family_only.pb_parser) 614 start = &iface_only.pif_parser; 615 break; 616 default: 617 break; 618 } 619 } 620 argc -= optind; 621 argv += optind; 622 623 /* 624 * -l means "list all interfaces", and is mutally exclusive with 625 * all other flags/commands. 626 * 627 * -C means "list all names of cloners", and it mutually exclusive 628 * with all other flags/commands. 629 * 630 * -a means "print status of all interfaces". 631 */ 632 if ((lflag || Cflag) && (aflag || mflag || vflag || zflag)) 633 usage(); 634 #ifdef INET6 635 if ((lflag || Cflag) && Lflag) 636 usage(); 637 #endif 638 if (lflag && Cflag) 639 usage(); 640 641 nmatch = __arraycount(match); 642 643 rc = parse(argc, argv, start, match, &nmatch, &narg); 644 if (rc != 0) 645 usage(); 646 647 if ((xenv = prop_dictionary_create()) == NULL) 648 err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__); 649 650 if (matches_exec(match, xenv, nmatch) == -1) 651 err(EXIT_FAILURE, "exec_matches"); 652 653 argc -= narg; 654 argv += narg; 655 656 env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL; 657 if (env == NULL) 658 env = xenv; 659 else 660 env = prop_dictionary_augment(env, xenv); 661 662 /* Process any media commands that may have been issued. */ 663 process_media_commands(env); 664 665 af = getaf(env); 666 switch (af) { 667 #ifndef INET_ONLY 668 case AF_APPLETALK: 669 checkatrange(&at_addreq.ifra_addr); 670 break; 671 #endif /* INET_ONLY */ 672 default: 673 break; 674 case -1: 675 af = AF_INET; 676 break; 677 } 678 679 if ((s = getsock(af)) == -1) 680 err(EXIT_FAILURE, "%s: getsock", __func__); 681 682 if ((ifname = getifname(env)) == NULL) 683 err(EXIT_FAILURE, "%s: getifname", __func__); 684 685 if ((afp = lookup_af_bynum(af)) == NULL) 686 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__); 687 688 if (afp->af_addr_commit != NULL) { 689 (*afp->af_addr_commit)(env, xenv); 690 } else { 691 if (clearaddr) { 692 estrlcpy(afp->af_ridreq, ifname, IFNAMSIZ); 693 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 694 err(EXIT_FAILURE, "SIOCDIFADDR"); 695 } 696 if (newaddr > 0) { 697 estrlcpy(afp->af_addreq, ifname, IFNAMSIZ); 698 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 699 warn("SIOCAIFADDR"); 700 else if (check_up_state < 0) 701 check_up_state = 1; 702 } 703 } 704 705 do_setifpreference(env); 706 do_setifcaps(s, ifname, env); 707 708 if (check_up_state == 1) 709 check_ifflags_up(ifname); 710 711 exit(EXIT_SUCCESS); 712 } 713 714 const struct afswtch * 715 lookup_af_bynum(int afnum) 716 { 717 const struct afswtch *a; 718 719 for (a = afs; a->af_name != NULL; a++) 720 if (a->af_af == afnum) 721 return (a); 722 return (NULL); 723 } 724 725 void 726 printall(const char *ifname, prop_dictionary_t env0) 727 { 728 struct ifaddrs *ifap, *ifa; 729 struct ifreq ifr; 730 const struct sockaddr_dl *sdl = NULL; 731 prop_dictionary_t env, oenv; 732 int idx; 733 char *p; 734 735 if (env0 == NULL) 736 env = prop_dictionary_create(); 737 else 738 env = prop_dictionary_copy_mutable(env0); 739 740 oenv = prop_dictionary_create(); 741 742 if (env == NULL || oenv == NULL) 743 errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__); 744 745 if (getifaddrs(&ifap) != 0) 746 err(EXIT_FAILURE, "getifaddrs"); 747 p = NULL; 748 idx = 0; 749 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 750 memset(&ifr, 0, sizeof(ifr)); 751 estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 752 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 753 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 754 ifa->ifa_addr->sa_len); 755 } 756 757 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0) 758 continue; 759 if (ifa->ifa_addr->sa_family == AF_LINK) 760 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 761 if (p && strcmp(p, ifa->ifa_name) == 0) 762 continue; 763 if (!prop_dictionary_set_cstring(env, "if", ifa->ifa_name)) 764 continue; 765 p = ifa->ifa_name; 766 767 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 768 continue; 769 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 770 continue; 771 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 772 continue; 773 774 if (sflag && carrier(env)) 775 continue; 776 idx++; 777 /* 778 * Are we just listing the interfaces? 779 */ 780 if (lflag) { 781 if (idx > 1) 782 printf(" "); 783 fputs(ifa->ifa_name, stdout); 784 continue; 785 } 786 787 status(sdl, env, oenv); 788 sdl = NULL; 789 } 790 if (lflag) 791 printf("\n"); 792 prop_object_release((prop_object_t)env); 793 prop_object_release((prop_object_t)oenv); 794 freeifaddrs(ifap); 795 } 796 797 int 798 list_cloners(prop_dictionary_t env, prop_dictionary_t oenv) 799 { 800 struct if_clonereq ifcr; 801 char *cp, *buf; 802 int idx, s; 803 804 memset(&ifcr, 0, sizeof(ifcr)); 805 806 s = getsock(AF_INET); 807 808 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 809 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 810 811 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 812 if (buf == NULL) 813 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 814 815 ifcr.ifcr_count = ifcr.ifcr_total; 816 ifcr.ifcr_buffer = buf; 817 818 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 819 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 820 821 /* 822 * In case some disappeared in the mean time, clamp it down. 823 */ 824 if (ifcr.ifcr_count > ifcr.ifcr_total) 825 ifcr.ifcr_count = ifcr.ifcr_total; 826 827 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 828 if (idx > 0) 829 printf(" "); 830 printf("%s", cp); 831 } 832 833 printf("\n"); 834 free(buf); 835 exit(EXIT_SUCCESS); 836 } 837 838 static int 839 clone_command(prop_dictionary_t env, prop_dictionary_t xenv) 840 { 841 struct ifreq ifreq; 842 int s; 843 int64_t cmd; 844 const char *ifname; 845 846 if (!prop_dictionary_get_int64(env, "clonecmd", &cmd)) { 847 errno = ENOENT; 848 return -1; 849 } 850 851 if ((ifname = getifname(env)) == NULL) 852 return -1; 853 854 /* We're called early... */ 855 s = getsock(AF_INET); 856 857 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name)); 858 if (ioctl(s, (unsigned long)cmd, &ifreq) == -1) { 859 warn("%s", __func__); 860 return -1; 861 } 862 return 0; 863 } 864 865 /*ARGSUSED*/ 866 int 867 setifaddr(prop_dictionary_t env, prop_dictionary_t xenv) 868 { 869 struct ifreq *ifr; /* XXX */ 870 const struct paddr_prefix *pfx0; 871 struct paddr_prefix *pfx; 872 prop_data_t d; 873 const char *ifname; 874 int af, s; 875 const struct afswtch *afp; 876 877 if ((af = getaf(env)) == -1) 878 af = AF_INET; 879 880 if ((afp = lookup_af_bynum(af)) == NULL) 881 return -1; 882 883 d = (prop_data_t)prop_dictionary_get(env, "address"); 884 assert(d != NULL); 885 pfx0 = prop_data_data_nocopy(d); 886 887 if (pfx0->pfx_len >= 0) { 888 pfx = prefixlen_to_mask(af, pfx0->pfx_len); 889 if (pfx == NULL) 890 err(EXIT_FAILURE, "prefixlen_to_mask"); 891 892 if (afp->af_getaddr != NULL) 893 (*afp->af_getaddr)(pfx, MASK); 894 free(pfx); 895 } 896 897 if (afp->af_addr_commit != NULL) 898 return 0; 899 900 if ((ifname = getifname(env)) == NULL) 901 return -1; 902 903 /* 904 * Delay the ioctl to set the interface addr until flags are all set. 905 * The address interpretation may depend on the flags, 906 * and the flags may change when the address is set. 907 */ 908 setaddr++; 909 if (newaddr == -1) 910 newaddr = 1; 911 if (doalias == 0 && afp->af_gifaddr != 0) { 912 ifr = (struct ifreq *)afp->af_ridreq; 913 estrlcpy(ifr->ifr_name, ifname, sizeof(ifr->ifr_name)); 914 ifr->ifr_addr.sa_family = af; 915 916 if ((s = getsock(af)) == -1) 917 err(EXIT_FAILURE, "getsock"); 918 919 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 920 clearaddr = 1; 921 else if (errno == EADDRNOTAVAIL) 922 /* No address was assigned yet. */ 923 ; 924 else 925 err(EXIT_FAILURE, "SIOCGIFADDR"); 926 } 927 928 #if 0 929 int i; 930 for (i = 0; i < pfx0->pfx_addr.sa_len; i++) 931 printf(" %02x", ((const uint8_t *)&pfx->pfx_addr)[i]); 932 printf("\n"); 933 #endif 934 if (afp->af_getaddr != NULL) 935 (*afp->af_getaddr)(pfx0, (doalias >= 0 ? ADDR : RIDADDR)); 936 return 0; 937 } 938 939 int 940 setifnetmask(prop_dictionary_t env, prop_dictionary_t xenv) 941 { 942 const struct paddr_prefix *pfx; 943 prop_data_t d; 944 int af; 945 const struct afswtch *afp; 946 947 if ((af = getaf(env)) == -1) 948 af = AF_INET; 949 950 if ((afp = lookup_af_bynum(af)) == NULL) 951 return -1; 952 953 d = (prop_data_t)prop_dictionary_get(env, "dstormask"); 954 assert(d != NULL); 955 pfx = prop_data_data_nocopy(d); 956 957 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d)) 958 return -1; 959 960 if (afp->af_getaddr != NULL) 961 (*afp->af_getaddr)(pfx, MASK); 962 return 0; 963 } 964 965 int 966 setifbroadaddr(prop_dictionary_t env, prop_dictionary_t xenv) 967 { 968 const struct paddr_prefix *pfx; 969 prop_data_t d; 970 int af; 971 const struct afswtch *afp; 972 unsigned short flags; 973 974 if ((af = getaf(env)) == -1) 975 af = AF_INET; 976 977 if ((afp = lookup_af_bynum(af)) == NULL) 978 return -1; 979 980 if (getifflags(env, xenv, &flags) == -1) 981 err(EXIT_FAILURE, "%s: getifflags", __func__); 982 983 if ((flags & IFF_BROADCAST) == 0) 984 errx(EXIT_FAILURE, "not a broadcast interface"); 985 986 d = (prop_data_t)prop_dictionary_get(env, "broadcast"); 987 assert(d != NULL); 988 pfx = prop_data_data_nocopy(d); 989 990 if (!prop_dictionary_set(xenv, "broadcast", (prop_object_t)d)) 991 return -1; 992 993 if (afp->af_getaddr != NULL) 994 (*afp->af_getaddr)(pfx, DSTADDR); 995 996 return 0; 997 } 998 999 #define rqtosa(__afp, __x) (&(((struct ifreq *)(__afp->__x))->ifr_addr)) 1000 1001 int 1002 notealias(prop_dictionary_t env, prop_dictionary_t xenv) 1003 { 1004 bool alias, delete; 1005 int af; 1006 const struct afswtch *afp; 1007 1008 if ((af = getaf(env)) == -1) 1009 af = AF_INET; 1010 1011 if ((afp = lookup_af_bynum(af)) == NULL) 1012 return -1; 1013 1014 if (afp->af_addr_commit != NULL) 1015 return 0; 1016 1017 if (!prop_dictionary_get_bool(env, "alias", &alias)) { 1018 errno = ENOENT; 1019 return -1; 1020 } 1021 delete = !alias; 1022 if (setaddr && doalias == 0 && delete) 1023 memcpy(rqtosa(afp, af_ridreq), rqtosa(afp, af_addreq), 1024 rqtosa(afp, af_addreq)->sa_len); 1025 doalias = delete ? -1 : 1; 1026 if (delete) { 1027 clearaddr = 1; 1028 newaddr = 0; 1029 } else { 1030 clearaddr = 0; 1031 } 1032 return 0; 1033 } 1034 1035 /*ARGSUSED*/ 1036 int 1037 notrailers(prop_dictionary_t env, prop_dictionary_t xenv) 1038 { 1039 puts("Note: trailers are no longer sent, but always received"); 1040 return 0; 1041 } 1042 1043 /*ARGSUSED*/ 1044 int 1045 setifdstormask(prop_dictionary_t env, prop_dictionary_t xenv) 1046 { 1047 const char *key; 1048 const struct paddr_prefix *pfx; 1049 prop_data_t d; 1050 int af, which; 1051 const struct afswtch *afp; 1052 unsigned short flags; 1053 1054 if ((af = getaf(env)) == -1) 1055 af = AF_INET; 1056 1057 if ((afp = lookup_af_bynum(af)) == NULL) 1058 return -1; 1059 1060 if (getifflags(env, xenv, &flags) == -1) 1061 err(EXIT_FAILURE, "%s: getifflags", __func__); 1062 1063 d = (prop_data_t)prop_dictionary_get(env, "dstormask"); 1064 assert(d != NULL); 1065 pfx = prop_data_data_nocopy(d); 1066 1067 if ((flags & IFF_BROADCAST) == 0) { 1068 key = "dst"; 1069 which = DSTADDR; 1070 } else { 1071 key = "netmask"; 1072 which = MASK; 1073 } 1074 1075 if (!prop_dictionary_set(xenv, key, (prop_object_t)d)) 1076 return -1; 1077 1078 if (afp->af_getaddr != NULL) 1079 (*afp->af_getaddr)(pfx, which); 1080 return 0; 1081 } 1082 1083 void 1084 check_ifflags_up(const char *ifname) 1085 { 1086 struct ifreq ifreq; 1087 int s; 1088 1089 s = getsock(AF_UNSPEC); 1090 1091 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name)); 1092 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1093 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1094 if (ifreq.ifr_flags & IFF_UP) 1095 return; 1096 ifreq.ifr_flags |= IFF_UP; 1097 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1098 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1099 } 1100 1101 int 1102 setifflags(prop_dictionary_t env, prop_dictionary_t xenv) 1103 { 1104 struct ifreq ifreq; 1105 int64_t ifflag; 1106 int s; 1107 bool rc; 1108 const char *ifname; 1109 1110 s = getsock(AF_INET); 1111 1112 rc = prop_dictionary_get_int64(env, "ifflag", &ifflag); 1113 assert(rc); 1114 if ((ifname = getifname(env)) == NULL) 1115 return -1; 1116 1117 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name)); 1118 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1119 return -1; 1120 1121 if (ifflag < 0) { 1122 ifflag = -ifflag; 1123 if (ifflag == IFF_UP) 1124 check_up_state = 0; 1125 ifreq.ifr_flags &= ~ifflag; 1126 } else 1127 ifreq.ifr_flags |= ifflag; 1128 1129 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1130 return -1; 1131 1132 return 0; 1133 } 1134 1135 static int 1136 getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr) 1137 { 1138 const char *ifname; 1139 bool rc; 1140 int s; 1141 struct ifcapreq ifcr; 1142 const struct ifcapreq *tmpifcr; 1143 prop_data_t capdata; 1144 1145 if ((s = getsock(AF_UNSPEC)) == -1) 1146 return -1; 1147 1148 if ((ifname = getifname(env)) == NULL) 1149 return -1; 1150 1151 capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps"); 1152 1153 if (capdata != NULL) { 1154 tmpifcr = prop_data_data_nocopy(capdata); 1155 *oifcr = *tmpifcr; 1156 return 0; 1157 } 1158 1159 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name)); 1160 (void)ioctl(s, SIOCGIFCAP, &ifcr); 1161 *oifcr = ifcr; 1162 1163 capdata = prop_data_create_data(&ifcr, sizeof(ifcr)); 1164 1165 rc = prop_dictionary_set(oenv, "ifcaps", capdata); 1166 1167 prop_object_release((prop_object_t)capdata); 1168 1169 return rc ? 0 : -1; 1170 } 1171 1172 static int 1173 setifcaps(prop_dictionary_t env, prop_dictionary_t oenv) 1174 { 1175 int64_t ifcap; 1176 int s; 1177 bool rc; 1178 prop_data_t capdata; 1179 const char *ifname; 1180 struct ifcapreq ifcr; 1181 1182 s = getsock(AF_INET); 1183 1184 rc = prop_dictionary_get_int64(env, "ifcap", &ifcap); 1185 assert(rc); 1186 1187 if ((ifname = getifname(env)) == NULL) 1188 return -1; 1189 1190 if (getifcaps(env, oenv, &ifcr) == -1) 1191 return -1; 1192 1193 if (ifcap < 0) { 1194 ifcap = -ifcap; 1195 ifcr.ifcr_capenable &= ~ifcap; 1196 } else 1197 ifcr.ifcr_capenable |= ifcap; 1198 1199 if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL) 1200 return -1; 1201 1202 rc = prop_dictionary_set(oenv, "ifcaps", capdata); 1203 prop_object_release((prop_object_t)capdata); 1204 1205 return rc ? 0 : -1; 1206 } 1207 1208 static int 1209 setifmetric(prop_dictionary_t env, prop_dictionary_t xenv) 1210 { 1211 struct ifreq ifr; 1212 bool rc; 1213 const char *ifname; 1214 int s; 1215 int64_t metric; 1216 1217 if ((s = getsock(AF_UNSPEC)) == -1) 1218 return -1; 1219 1220 if ((ifname = getifname(env)) == NULL) 1221 return -1; 1222 1223 rc = prop_dictionary_get_int64(env, "metric", &metric); 1224 assert(rc); 1225 1226 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1227 ifr.ifr_metric = metric; 1228 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1229 warn("SIOCSIFMETRIC"); 1230 return 0; 1231 } 1232 1233 static void 1234 do_setifpreference(prop_dictionary_t env) 1235 { 1236 struct if_addrprefreq ifap; 1237 int af, s; 1238 const char *ifname; 1239 const struct afswtch *afp; 1240 prop_data_t d; 1241 const struct paddr_prefix *pfx; 1242 1243 if ((af = getaf(env)) == -1) 1244 af = AF_INET; 1245 1246 if ((afp = lookup_af_bynum(af)) == NULL) 1247 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__); 1248 1249 memset(&ifap, 0, sizeof(ifap)); 1250 1251 if (!prop_dictionary_get_int16(env, "preference", 1252 &ifap.ifap_preference)) 1253 return; 1254 1255 d = (prop_data_t)prop_dictionary_get(env, "address"); 1256 assert(d != NULL); 1257 1258 pfx = prop_data_data_nocopy(d); 1259 1260 s = getsock(AF_UNSPEC); 1261 1262 if ((ifname = getifname(env)) == NULL) 1263 err(EXIT_FAILURE, "%s: getifname", __func__); 1264 1265 strlcpy(ifap.ifap_name, ifname, sizeof(ifap.ifap_name)); 1266 memcpy(&ifap.ifap_addr, &pfx->pfx_addr, 1267 MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len)); 1268 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1) 1269 warn("SIOCSIFADDRPREF"); 1270 } 1271 1272 static int 1273 setifmtu(prop_dictionary_t env, prop_dictionary_t xenv) 1274 { 1275 int64_t mtu; 1276 bool rc; 1277 const char *ifname; 1278 struct ifreq ifr; 1279 int s; 1280 1281 if ((s = getsock(AF_UNSPEC)) == -1) 1282 return -1; 1283 1284 if ((ifname = getifname(env)) == NULL) 1285 return -1; 1286 1287 rc = prop_dictionary_get_int64(env, "mtu", &mtu); 1288 assert(rc); 1289 1290 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1291 ifr.ifr_mtu = mtu; 1292 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1293 warn("SIOCSIFMTU"); 1294 1295 return 0; 1296 } 1297 1298 static void 1299 media_error(int type, const char *val, const char *opt) 1300 { 1301 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1302 get_media_type_string(type), opt, val); 1303 } 1304 1305 void 1306 init_current_media(prop_dictionary_t env, prop_dictionary_t oenv) 1307 { 1308 struct ifmediareq ifmr; 1309 int s; 1310 const char *ifname; 1311 1312 if ((s = getsock(AF_UNSPEC)) == -1) 1313 err(EXIT_FAILURE, "%s: getsock", __func__); 1314 1315 if ((ifname = getifname(env)) == NULL) 1316 err(EXIT_FAILURE, "%s: getifname", __func__); 1317 1318 /* 1319 * If we have not yet done so, grab the currently-selected 1320 * media. 1321 */ 1322 1323 if (prop_dictionary_get(env, "initmedia") == NULL) { 1324 memset(&ifmr, 0, sizeof(ifmr)); 1325 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name)); 1326 1327 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1328 /* 1329 * If we get E2BIG, the kernel is telling us 1330 * that there are more, so we can ignore it. 1331 */ 1332 if (errno != E2BIG) 1333 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1334 } 1335 1336 if (!prop_dictionary_set_bool(oenv, "initmedia", true)) { 1337 err(EXIT_FAILURE, "%s: prop_dictionary_set_bool", 1338 __func__); 1339 } 1340 media_current = ifmr.ifm_current; 1341 } 1342 1343 /* Sanity. */ 1344 if (IFM_TYPE(media_current) == 0) 1345 errx(EXIT_FAILURE, "%s: no link type?", ifname); 1346 } 1347 1348 void 1349 process_media_commands(prop_dictionary_t env) 1350 { 1351 struct ifreq ifr; 1352 const char *ifname; 1353 int s; 1354 1355 if ((s = getsock(AF_UNSPEC)) == -1) 1356 err(EXIT_FAILURE, "%s: getsock", __func__); 1357 1358 if (prop_dictionary_get(env, "media") == NULL && 1359 prop_dictionary_get(env, "mediaopt") == NULL && 1360 prop_dictionary_get(env, "unmediaopt") == NULL && 1361 prop_dictionary_get(env, "mediamode") == NULL) { 1362 /* Nothing to do. */ 1363 return; 1364 } 1365 1366 if ((ifname = getifname(env)) == NULL) 1367 err(EXIT_FAILURE, "%s: getifname", __func__); 1368 1369 /* 1370 * Media already set up, and commands sanity-checked. Set/clear 1371 * any options, and we're ready to go. 1372 */ 1373 media_current |= mediaopt_set; 1374 media_current &= ~mediaopt_clear; 1375 1376 memset(&ifr, 0, sizeof(ifr)); 1377 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1378 ifr.ifr_media = media_current; 1379 1380 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1381 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1382 } 1383 1384 int 1385 setmedia(prop_dictionary_t env, prop_dictionary_t xenv) 1386 { 1387 int type, subtype, inst; 1388 prop_data_t data; 1389 char *val; 1390 1391 init_current_media(env, xenv); 1392 1393 data = (prop_data_t)prop_dictionary_get(env, "media"); 1394 assert(data != NULL); 1395 1396 /* Only one media command may be given. */ 1397 /* Must not come after mode commands */ 1398 /* Must not come after mediaopt commands */ 1399 1400 /* 1401 * No need to check if `instance' has been issued; setmediainst() 1402 * craps out if `media' has not been specified. 1403 */ 1404 1405 type = IFM_TYPE(media_current); 1406 inst = IFM_INST(media_current); 1407 1408 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1409 if (val == NULL) 1410 return -1; 1411 1412 /* Look up the subtype. */ 1413 subtype = get_media_subtype(type, val); 1414 if (subtype == -1) 1415 media_error(type, val, "subtype"); 1416 1417 /* Build the new current media word. */ 1418 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1419 1420 /* Media will be set after other processing is complete. */ 1421 return 0; 1422 } 1423 1424 int 1425 setmediaopt(prop_dictionary_t env, prop_dictionary_t xenv) 1426 { 1427 char *invalid; 1428 prop_data_t data; 1429 char *val; 1430 1431 init_current_media(env, xenv); 1432 1433 data = (prop_data_t)prop_dictionary_get(env, "mediaopt"); 1434 assert(data != NULL); 1435 1436 /* Can only issue `mediaopt' once. */ 1437 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1438 1439 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1440 if (val == NULL) 1441 return -1; 1442 1443 mediaopt_set = get_media_options(media_current, val, &invalid); 1444 free(val); 1445 if (mediaopt_set == -1) 1446 media_error(media_current, invalid, "option"); 1447 1448 /* Media will be set after other processing is complete. */ 1449 return 0; 1450 } 1451 1452 int 1453 unsetmediaopt(prop_dictionary_t env, prop_dictionary_t xenv) 1454 { 1455 char *invalid, *val; 1456 prop_data_t data; 1457 1458 init_current_media(env, xenv); 1459 1460 data = (prop_data_t)prop_dictionary_get(env, "unmediaopt"); 1461 if (data == NULL) { 1462 errno = ENOENT; 1463 return -1; 1464 } 1465 1466 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1467 if (val == NULL) 1468 return -1; 1469 1470 /* 1471 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1472 * implicitly checks for A_MEDIAINST. 1473 */ 1474 1475 mediaopt_clear = get_media_options(media_current, val, &invalid); 1476 free(val); 1477 if (mediaopt_clear == -1) 1478 media_error(media_current, invalid, "option"); 1479 1480 /* Media will be set after other processing is complete. */ 1481 return 0; 1482 } 1483 1484 int 1485 setmediainst(prop_dictionary_t env, prop_dictionary_t xenv) 1486 { 1487 int type, subtype, options; 1488 int64_t inst; 1489 bool rc; 1490 1491 init_current_media(env, xenv); 1492 1493 rc = prop_dictionary_get_int64(env, "mediainst", &inst); 1494 assert(rc); 1495 1496 /* Can only issue `instance' once. */ 1497 /* Must have already specified `media' */ 1498 1499 type = IFM_TYPE(media_current); 1500 subtype = IFM_SUBTYPE(media_current); 1501 options = IFM_OPTIONS(media_current); 1502 1503 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1504 1505 /* Media will be set after other processing is complete. */ 1506 return 0; 1507 } 1508 1509 int 1510 setmediamode(prop_dictionary_t env, prop_dictionary_t xenv) 1511 { 1512 int type, subtype, options, inst, mode; 1513 prop_data_t data; 1514 char *val; 1515 1516 init_current_media(env, xenv); 1517 1518 data = (prop_data_t)prop_dictionary_get(env, "mediamode"); 1519 assert(data != NULL); 1520 1521 type = IFM_TYPE(media_current); 1522 subtype = IFM_SUBTYPE(media_current); 1523 options = IFM_OPTIONS(media_current); 1524 inst = IFM_INST(media_current); 1525 1526 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1527 if (val == NULL) 1528 return -1; 1529 1530 mode = get_media_mode(type, val); 1531 if (mode == -1) 1532 media_error(type, val, "mode"); 1533 1534 free(val); 1535 1536 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1537 1538 /* Media will be set after other processing is complete. */ 1539 return 0; 1540 } 1541 1542 void 1543 print_media_word(int ifmw, const char *opt_sep) 1544 { 1545 const char *str; 1546 1547 printf("%s", get_media_subtype_string(ifmw)); 1548 1549 /* Find mode. */ 1550 if (IFM_MODE(ifmw) != 0) { 1551 str = get_media_mode_string(ifmw); 1552 if (str != NULL) 1553 printf(" mode %s", str); 1554 } 1555 1556 /* Find options. */ 1557 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1558 printf("%s%s", opt_sep, str); 1559 1560 if (IFM_INST(ifmw) != 0) 1561 printf(" instance %d", IFM_INST(ifmw)); 1562 } 1563 1564 int 1565 carrier(prop_dictionary_t env) 1566 { 1567 struct ifmediareq ifmr; 1568 int s; 1569 const char *ifname; 1570 1571 if ((s = getsock(AF_UNSPEC)) == -1) 1572 err(EXIT_FAILURE, "%s: getsock", __func__); 1573 1574 if ((ifname = getifname(env)) == NULL) 1575 err(EXIT_FAILURE, "%s: getifname", __func__); 1576 1577 (void) memset(&ifmr, 0, sizeof(ifmr)); 1578 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name)); 1579 1580 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1581 /* 1582 * Interface doesn't support SIOC{G,S}IFMEDIA; 1583 * assume ok. 1584 */ 1585 return EXIT_SUCCESS; 1586 } 1587 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1588 /* 1589 * Interface doesn't report media-valid status. 1590 * assume ok. 1591 */ 1592 return EXIT_SUCCESS; 1593 } 1594 /* otherwise, return ok for active, not-ok if not active. */ 1595 if (ifmr.ifm_status & IFM_ACTIVE) 1596 return EXIT_SUCCESS; 1597 else 1598 return EXIT_FAILURE; 1599 } 1600 1601 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1602 1603 const struct ifmedia_status_description ifm_status_descriptions[] = 1604 IFM_STATUS_DESCRIPTIONS; 1605 1606 /* 1607 * Print the status of the interface. If an address family was 1608 * specified, show it and it only; otherwise, show them all. 1609 */ 1610 void 1611 status(const struct sockaddr_dl *sdl, prop_dictionary_t env, 1612 prop_dictionary_t oenv) 1613 { 1614 struct ifmediareq ifmr; 1615 struct ifdatareq ifdr; 1616 struct ifreq ifr; 1617 int *media_list, i; 1618 char hbuf[NI_MAXHOST]; 1619 char fbuf[BUFSIZ]; 1620 int af, s; 1621 const char *ifname; 1622 struct ifcapreq ifcr; 1623 unsigned short flags; 1624 const struct afswtch *afp; 1625 1626 if ((af = getaf(env)) == -1) { 1627 afp = NULL; 1628 af = AF_UNSPEC; 1629 } else 1630 afp = lookup_af_bynum(af); 1631 1632 if ((s = getsock(af)) == -1) 1633 err(EXIT_FAILURE, "%s: getsock", __func__); 1634 1635 if ((ifname = getifinfo(env, oenv, &flags)) == NULL) 1636 err(EXIT_FAILURE, "%s: getifinfo", __func__); 1637 1638 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1639 printf("%s: flags=%s", ifname, &fbuf[2]); 1640 1641 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1642 if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1) 1643 warn("SIOCGIFMETRIC %s", ifr.ifr_name); 1644 else if (ifr.ifr_metric != 0) 1645 printf(" metric %d", ifr.ifr_metric); 1646 1647 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1648 if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0) 1649 printf(" mtu %d", ifr.ifr_mtu); 1650 printf("\n"); 1651 1652 if (getifcaps(env, oenv, &ifcr) == -1) 1653 err(EXIT_FAILURE, "%s: getifcaps", __func__); 1654 1655 if (ifcr.ifcr_capabilities != 0) { 1656 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1657 ifcr.ifcr_capabilities); 1658 printf("\tcapabilities=%s\n", &fbuf[2]); 1659 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1660 ifcr.ifcr_capenable); 1661 printf("\tenabled=%s\n", &fbuf[2]); 1662 } 1663 1664 ieee80211_status(env, oenv); 1665 vlan_status(env, oenv); 1666 #ifndef INET_ONLY 1667 carp_status(env, oenv); 1668 #endif 1669 tunnel_status(env, oenv); 1670 agr_status(env, oenv); 1671 1672 if (sdl != NULL && 1673 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1674 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1675 hbuf[0] != '\0') 1676 printf("\taddress: %s\n", hbuf); 1677 1678 (void) memset(&ifmr, 0, sizeof(ifmr)); 1679 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name)); 1680 1681 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1682 /* 1683 * Interface doesn't support SIOC{G,S}IFMEDIA. 1684 */ 1685 goto iface_stats; 1686 } 1687 1688 if (ifmr.ifm_count == 0) { 1689 warnx("%s: no media types?", ifname); 1690 goto iface_stats; 1691 } 1692 1693 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1694 if (media_list == NULL) 1695 err(EXIT_FAILURE, "malloc"); 1696 ifmr.ifm_ulist = media_list; 1697 1698 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1699 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1700 1701 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1702 print_media_word(ifmr.ifm_current, " "); 1703 if (ifmr.ifm_active != ifmr.ifm_current) { 1704 printf(" ("); 1705 print_media_word(ifmr.ifm_active, " "); 1706 printf(")"); 1707 } 1708 printf("\n"); 1709 1710 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1711 const struct ifmedia_status_description *ifms; 1712 int bitno, found = 0; 1713 1714 printf("\tstatus: "); 1715 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1716 for (ifms = ifm_status_descriptions; 1717 ifms->ifms_valid != 0; ifms++) { 1718 if (ifms->ifms_type != 1719 IFM_TYPE(ifmr.ifm_current) || 1720 ifms->ifms_valid != 1721 ifm_status_valid_list[bitno]) 1722 continue; 1723 printf("%s%s", found ? ", " : "", 1724 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1725 found = 1; 1726 1727 /* 1728 * For each valid indicator bit, there's 1729 * only one entry for each media type, so 1730 * terminate the inner loop now. 1731 */ 1732 break; 1733 } 1734 } 1735 1736 if (found == 0) 1737 printf("unknown"); 1738 printf("\n"); 1739 } 1740 1741 if (mflag) { 1742 int type, printed_type; 1743 1744 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1745 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1746 if (IFM_TYPE(media_list[i]) != type) 1747 continue; 1748 if (printed_type == 0) { 1749 printf("\tsupported %s media:\n", 1750 get_media_type_string(type)); 1751 printed_type = 1; 1752 } 1753 printf("\t\tmedia "); 1754 print_media_word(media_list[i], " mediaopt "); 1755 printf("\n"); 1756 } 1757 } 1758 } 1759 1760 free(media_list); 1761 1762 iface_stats: 1763 if (!vflag && !zflag) 1764 goto proto_status; 1765 1766 estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name)); 1767 1768 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1769 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1770 } else { 1771 struct if_data * const ifi = &ifdr.ifdr_data; 1772 char buf[5]; 1773 1774 #define PLURAL(n) ((n) == 1 ? "" : "s") 1775 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s") 1776 printf("\tinput: %llu packet%s, ", 1777 (unsigned long long) ifi->ifi_ipackets, 1778 PLURAL(ifi->ifi_ipackets)); 1779 if (hflag) { 1780 (void) humanize_number(buf, sizeof(buf), 1781 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE, 1782 HN_NOSPACE | HN_DECIMAL); 1783 printf("%s byte%s", buf, 1784 PLURALSTR(buf)); 1785 } else 1786 printf("%llu byte%s", 1787 (unsigned long long) ifi->ifi_ibytes, 1788 PLURAL(ifi->ifi_ibytes)); 1789 if (ifi->ifi_imcasts) 1790 printf(", %llu multicast%s", 1791 (unsigned long long) ifi->ifi_imcasts, 1792 PLURAL(ifi->ifi_imcasts)); 1793 if (ifi->ifi_ierrors) 1794 printf(", %llu error%s", 1795 (unsigned long long) ifi->ifi_ierrors, 1796 PLURAL(ifi->ifi_ierrors)); 1797 if (ifi->ifi_iqdrops) 1798 printf(", %llu queue drop%s", 1799 (unsigned long long) ifi->ifi_iqdrops, 1800 PLURAL(ifi->ifi_iqdrops)); 1801 if (ifi->ifi_noproto) 1802 printf(", %llu unknown protocol", 1803 (unsigned long long) ifi->ifi_noproto); 1804 printf("\n\toutput: %llu packet%s, ", 1805 (unsigned long long) ifi->ifi_opackets, 1806 PLURAL(ifi->ifi_opackets)); 1807 if (hflag) { 1808 (void) humanize_number(buf, sizeof(buf), 1809 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE, 1810 HN_NOSPACE | HN_DECIMAL); 1811 printf("%s byte%s", buf, 1812 PLURALSTR(buf)); 1813 } else 1814 printf("%llu byte%s", 1815 (unsigned long long) ifi->ifi_obytes, 1816 PLURAL(ifi->ifi_obytes)); 1817 if (ifi->ifi_omcasts) 1818 printf(", %llu multicast%s", 1819 (unsigned long long) ifi->ifi_omcasts, 1820 PLURAL(ifi->ifi_omcasts)); 1821 if (ifi->ifi_oerrors) 1822 printf(", %llu error%s", 1823 (unsigned long long) ifi->ifi_oerrors, 1824 PLURAL(ifi->ifi_oerrors)); 1825 if (ifi->ifi_collisions) 1826 printf(", %llu collision%s", 1827 (unsigned long long) ifi->ifi_collisions, 1828 PLURAL(ifi->ifi_collisions)); 1829 printf("\n"); 1830 #undef PLURAL 1831 #undef PLURALSTR 1832 } 1833 1834 ieee80211_statistics(env); 1835 1836 proto_status: 1837 1838 if (afp != NULL) 1839 (*afp->af_status)(env, oenv, true); 1840 else for (afp = afs; afp->af_name != NULL; afp++) 1841 (*afp->af_status)(env, oenv, false); 1842 } 1843 1844 int 1845 setifprefixlen(prop_dictionary_t env, prop_dictionary_t xenv) 1846 { 1847 const char *ifname; 1848 bool rc; 1849 int64_t plen; 1850 int af; 1851 const struct afswtch *afp; 1852 unsigned short flags; 1853 struct paddr_prefix *pfx; 1854 prop_data_t d; 1855 1856 if ((af = getaf(env)) == -1) 1857 af = AF_INET; 1858 1859 if ((afp = lookup_af_bynum(af)) == NULL) 1860 return -1; 1861 1862 if ((ifname = getifinfo(env, xenv, &flags)) == NULL) 1863 err(EXIT_FAILURE, "getifinfo"); 1864 1865 rc = prop_dictionary_get_int64(env, "prefixlen", &plen); 1866 assert(rc); 1867 1868 pfx = prefixlen_to_mask(af, plen); 1869 if (pfx == NULL) 1870 err(EXIT_FAILURE, "prefixlen_to_mask"); 1871 1872 d = prop_data_create_data(pfx, 1873 offsetof(struct paddr_prefix, pfx_addr) + pfx->pfx_addr.sa_len); 1874 if (d == NULL) 1875 err(EXIT_FAILURE, "%s: prop_data_create_data", __func__); 1876 1877 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d)) 1878 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__); 1879 1880 if (afp->af_getaddr != NULL) 1881 (*afp->af_getaddr)(pfx, MASK); 1882 1883 free(pfx); 1884 return 0; 1885 } 1886 1887 void 1888 usage(void) 1889 { 1890 const char *progname = getprogname(); 1891 1892 fprintf(stderr, 1893 "usage: %s [-h] [-m] [-v] [-z] " 1894 #ifdef INET6 1895 "[-L] " 1896 #endif 1897 "interface\n" 1898 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 1899 "\t\t[ alias | -alias ] ]\n" 1900 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 1901 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 1902 "\t[ list scan ]\n" 1903 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 1904 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n" 1905 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 1906 "\t[ arp | -arp ]\n" 1907 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 1908 "[ instance minst ]\n" 1909 "\t[ preference n ]\n" 1910 "\t[ vlan n vlanif i ]\n" 1911 "\t[ agrport i ] [ -agrport i ]\n" 1912 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 1913 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 1914 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 1915 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 1916 " %s -l [-b] [-d] [-u] [-s]\n" 1917 " %s -C\n" 1918 " %s interface create\n" 1919 " %s interface destroy\n", 1920 progname, progname, progname, progname, progname, progname); 1921 exit(EXIT_FAILURE); 1922 } 1923
Indexes created Tue Sep 30 20:09:53 GMT 2025