ifconfig.c revision 1.199
1 /* $NetBSD: ifconfig.c,v 1.199 2008/05/07 20:45:01 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 1.199 2008/05/07 20:45:01 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 #define IFKW(__word, __flag) \ 208 { \ 209 .k_word = (__word), .k_neg = true, .k_type = KW_T_NUM, \ 210 .k_num = (__flag), \ 211 .k_negnum = -(__flag) \ 212 } 213 214 static const struct kwinst ifflagskw[] = { 215 IFKW("arp", IFF_NOARP) 216 , IFKW("debug", IFF_DEBUG) 217 , IFKW("link0", IFF_LINK0) 218 , IFKW("link1", IFF_LINK1) 219 , IFKW("link2", IFF_LINK2) 220 , {.k_word = "down", .k_type = KW_T_NUM, .k_num = -IFF_UP} 221 , {.k_word = "up", .k_type = KW_T_NUM, .k_num = IFF_UP} 222 }; 223 224 static const struct kwinst ifcapskw[] = { 225 IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx) 226 , IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx) 227 , IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx) 228 , IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx) 229 , IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx) 230 , IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx) 231 , IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx) 232 , IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx) 233 , IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx) 234 , IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx) 235 , IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx) 236 , IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx) 237 , IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx) 238 , IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx) 239 , IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx) 240 , IFKW("tso4", IFCAP_TSOv4) 241 , IFKW("tso6", IFCAP_TSOv6) 242 }; 243 244 extern struct pbranch command_root; 245 extern struct pbranch opt_command; 246 extern struct pbranch opt_family, opt_silent_family; 247 extern struct pkw cloning, silent_family, family, ia6flags, ia6lifetime, 248 ifcaps, ifflags, misc; 249 250 struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10, 251 setifmetric, "metric", &command_root.pb_parser); 252 253 struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10, 254 setifmtu, "mtu", &command_root.pb_parser); 255 256 struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen, 257 "prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser); 258 259 struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference, 260 "preference", INT16_MIN, INT16_MAX, 10, NULL, "preference", 261 &command_root.pb_parser); 262 263 struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask", 264 setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser); 265 266 struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast, 267 "broadcast address", 268 setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser); 269 270 struct pstr mediamode = PSTR_INITIALIZER(&mediamode, "mediamode", 271 setmediamode, "mediamode", &command_root.pb_parser); 272 273 struct pinteger mediainst = PINTEGER_INITIALIZER1(&mediainst, "mediainst", 274 0, IFM_INST_MAX, 10, setmediainst, "mediainst", &command_root.pb_parser); 275 276 struct pstr unmediaopt = PSTR_INITIALIZER(&unmediaopt, "-mediaopt", 277 unsetmediaopt, "unmediaopt", &command_root.pb_parser); 278 279 struct pstr mediaopt = PSTR_INITIALIZER(&mediaopt, "mediaopt", 280 setmediaopt, "mediaopt", &command_root.pb_parser); 281 282 struct pstr media = PSTR_INITIALIZER(&media, "media", 283 setmedia, "media", &command_root.pb_parser); 284 285 static const struct kwinst misckw[] = { 286 {.k_word = "alias", .k_key = "alias", .k_deact = "alias", 287 .k_type = KW_T_BOOL, .k_neg = true, 288 .k_bool = true, .k_negbool = false, 289 .k_exec = notealias, .k_nextparser = &command_root.pb_parser} 290 , {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser} 291 , {.k_word = "delete", .k_key = "alias", .k_deact = "alias", 292 .k_type = KW_T_BOOL, .k_bool = false, .k_exec = notealias, 293 .k_nextparser = &command_root.pb_parser} 294 , {.k_word = "instance", .k_key = "anymedia", .k_type = KW_T_BOOL, 295 .k_bool = true, .k_act = "media", .k_deact = "mediainst", 296 .k_nextparser = &mediainst.pi_parser} 297 , {.k_word = "inst", .k_key = "anymedia", .k_type = KW_T_BOOL, 298 .k_bool = true, .k_act = "media", .k_deact = "mediainst", 299 .k_nextparser = &mediainst.pi_parser} 300 , {.k_word = "media", .k_key = "anymedia", .k_type = KW_T_BOOL, 301 .k_bool = true, .k_deact = "media", .k_altdeact = "anymedia", 302 .k_nextparser = &media.ps_parser} 303 , {.k_word = "mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL, 304 .k_bool = true, .k_deact = "mediaopt", .k_altdeact = "instance", 305 .k_nextparser = &mediaopt.ps_parser} 306 , {.k_word = "-mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL, 307 .k_bool = true, .k_deact = "unmediaopt", .k_altdeact = "media", 308 .k_nextparser = &unmediaopt.ps_parser} 309 , {.k_word = "mode", .k_key = "anymedia", .k_type = KW_T_BOOL, 310 .k_bool = true, .k_deact = "mode", 311 .k_nextparser = &mediamode.ps_parser} 312 , {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser} 313 , {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser} 314 , {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser} 315 , {.k_word = "preference", .k_act = "address", 316 .k_nextparser = &parse_preference.pi_parser} 317 , {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser} 318 , {.k_word = "trailers", .k_neg = true, 319 .k_exec = notrailers, .k_nextparser = &command_root.pb_parser} 320 #ifdef INET6 321 , {.k_word = "eui64", .k_exec = setia6eui64, 322 .k_nextparser = &command_root.pb_parser} 323 #endif /*INET6*/ 324 }; 325 326 /* key: clonecmd */ 327 static const struct kwinst clonekw[] = { 328 {.k_word = "create", .k_type = KW_T_NUM, .k_num = SIOCIFCREATE, 329 .k_nextparser = &opt_silent_family.pb_parser}, 330 {.k_word = "destroy", .k_type = KW_T_NUM, .k_num = SIOCIFDESTROY} 331 }; 332 333 static const struct kwinst familykw[] = { 334 {.k_word = "inet", .k_type = KW_T_NUM, .k_num = AF_INET, 335 .k_nextparser = NULL} 336 #ifdef INET6 337 , {.k_word = "inet6", .k_type = KW_T_NUM, .k_num = AF_INET6, 338 .k_nextparser = NULL} 339 #endif 340 #ifndef INET_ONLY /* small version, for boot media */ 341 , {.k_word = "atalk", .k_type = KW_T_NUM, .k_num = AF_APPLETALK, 342 .k_nextparser = NULL} 343 , {.k_word = "iso", .k_type = KW_T_NUM, .k_num = AF_ISO, 344 .k_nextparser = NULL} 345 #endif /* INET_ONLY */ 346 }; 347 348 struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners", 349 list_cloners, "none"); 350 351 struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec, 352 "none"); 353 354 struct pkw family_only = 355 PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw, 356 __arraycount(familykw), &no_cmds.pt_parser); 357 358 struct paddr address = PADDR_INITIALIZER(&address, 359 "local address (address 1)", 360 setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser); 361 362 struct paddr dstormask = PADDR_INITIALIZER(&dstormask, 363 "destination/netmask (address 2)", 364 setifdstormask, "dstormask", NULL, "address", "dstormask", 365 &command_root.pb_parser); 366 367 struct paddr broadcast = PADDR_INITIALIZER(&broadcast, 368 "broadcast address (address 3)", 369 setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast", 370 &command_root.pb_parser); 371 372 struct branch opt_clone_brs[] = { 373 {.b_nextparser = &cloning.pk_parser} 374 , {.b_nextparser = &opt_family.pb_parser} 375 }, opt_silent_family_brs[] = { 376 {.b_nextparser = &silent_family.pk_parser} 377 , {.b_nextparser = &command_root.pb_parser} 378 }, opt_family_brs[] = { 379 {.b_nextparser = &family.pk_parser} 380 , {.b_nextparser = &opt_command.pb_parser} 381 }, command_root_brs[] = { 382 {.b_nextparser = &ieee80211bool.pk_parser} 383 , {.b_nextparser = &ifflags.pk_parser} 384 , {.b_nextparser = &ifcaps.pk_parser} 385 #ifdef INET6 386 , {.b_nextparser = &ia6flags.pk_parser} 387 , {.b_nextparser = &ia6lifetime.pk_parser} 388 #endif /*INET6*/ 389 , {.b_nextparser = &misc.pk_parser} 390 , {.b_nextparser = &tunnel.pk_parser} 391 , {.b_nextparser = &vlan.pk_parser} 392 , {.b_nextparser = &agr.pk_parser} 393 #ifndef INET_ONLY 394 , {.b_nextparser = &carp.pk_parser} 395 , {.b_nextparser = &atalk.pk_parser} 396 , {.b_nextparser = &iso.pk_parser} 397 #endif 398 , {.b_nextparser = &kw80211.pk_parser} 399 , {.b_nextparser = &address.pa_parser} 400 , {.b_nextparser = &dstormask.pa_parser} 401 , {.b_nextparser = &broadcast.pa_parser} 402 , {.b_nextparser = NULL} 403 }, opt_command_brs[] = { 404 {.b_nextparser = &no_cmds.pt_parser} 405 , {.b_nextparser = &command_root.pb_parser} 406 }; 407 408 struct branch opt_family_only_brs[] = { 409 {.b_nextparser = &no_cmds.pt_parser} 410 , {.b_nextparser = &family_only.pk_parser} 411 }; 412 struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only, 413 "opt-family-only", opt_family_only_brs, 414 __arraycount(opt_family_only_brs), true); 415 struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command, 416 "optional command", 417 opt_command_brs, __arraycount(opt_command_brs), true); 418 419 struct pbranch command_root = PBRANCH_INITIALIZER(&command_root, 420 "command-root", command_root_brs, __arraycount(command_root_brs), true); 421 422 struct piface iface_opt_family_only = 423 PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only", 424 NULL, "if", &opt_family_only.pb_parser); 425 426 struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af", 427 familykw, __arraycount(familykw), &opt_command.pb_parser); 428 429 struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family", 430 NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser); 431 432 #ifdef INET6 433 static const struct kwinst ia6flagskw[] = { 434 IFKW("anycast", IN6_IFF_ANYCAST) 435 , IFKW("tentative", IN6_IFF_TENTATIVE) 436 , IFKW("deprecated", IN6_IFF_DEPRECATED) 437 }; 438 439 struct pinteger pltime = PINTEGER_INITIALIZER(&pltime, "pltime", 0, 440 setia6pltime, "pltime", &command_root.pb_parser); 441 442 struct pinteger vltime = PINTEGER_INITIALIZER(&vltime, "vltime", 0, 443 setia6vltime, "vltime", &command_root.pb_parser); 444 445 static const struct kwinst ia6lifetimekw[] = { 446 {.k_word = "pltime", .k_nextparser = &pltime.pi_parser} 447 , {.k_word = "vltime", .k_nextparser = &vltime.pi_parser} 448 }; 449 450 struct pkw ia6flags = PKW_INITIALIZER(&ia6flags, "ia6flags", setia6flags, 451 "ia6flag", ia6flagskw, __arraycount(ia6flagskw), &command_root.pb_parser); 452 struct pkw ia6lifetime = PKW_INITIALIZER(&ia6lifetime, "ia6lifetime", NULL, 453 NULL, ia6lifetimekw, __arraycount(ia6lifetimekw), NULL); 454 #endif /*INET6*/ 455 456 struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps, 457 "ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser); 458 459 struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags, 460 "ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser); 461 462 struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command, 463 "clonecmd", clonekw, __arraycount(clonekw), NULL); 464 465 struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL, 466 misckw, __arraycount(misckw), NULL); 467 468 struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone, 469 "opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true); 470 471 struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family, 472 "optional silent family", opt_silent_family_brs, 473 __arraycount(opt_silent_family_brs), true); 474 475 struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family, 476 "opt-family", opt_family_brs, __arraycount(opt_family_brs), true); 477 478 struct piface iface_start = PIFACE_INITIALIZER(&iface_start, 479 "iface-opt-family", NULL, "if", &opt_clone.pb_parser); 480 481 struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface", 482 media_status_exec, "if", NULL); 483 484 static struct parser * 485 init_parser(void) 486 { 487 if (parser_init(&iface_opt_family_only.pif_parser) == -1) 488 err(EXIT_FAILURE, "parser_init(iface_opt_family_only)"); 489 if (parser_init(&iface_only.pif_parser) == -1) 490 err(EXIT_FAILURE, "parser_init(iface_only)"); 491 if (parser_init(&iface_start.pif_parser) == -1) 492 err(EXIT_FAILURE, "parser_init(iface_start)"); 493 494 return &iface_start.pif_parser; 495 } 496 497 static int 498 no_cmds_exec(prop_dictionary_t env, prop_dictionary_t xenv) 499 { 500 const char *ifname; 501 unsigned short ignore; 502 503 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */ 504 if ((ifname = getifname(env)) == NULL) 505 ; 506 else if (getifflags(env, xenv, &ignore) == -1) 507 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname); 508 509 printall(ifname, env); 510 exit(EXIT_SUCCESS); 511 } 512 513 static int 514 media_status_exec(prop_dictionary_t env, prop_dictionary_t xenv) 515 { 516 const char *ifname; 517 unsigned short ignore; 518 519 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */ 520 if ((ifname = getifname(env)) == NULL) 521 ; 522 else if (getifflags(env, xenv, &ignore) == -1) 523 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname); 524 525 exit(carrier(env)); 526 } 527 528 static void 529 do_setifcaps(int s, const char *ifname, prop_dictionary_t env) 530 { 531 struct ifcapreq ifcr; 532 prop_data_t d; 533 534 d = (prop_data_t )prop_dictionary_get(env, "ifcaps"); 535 if (d == NULL) 536 return; 537 538 assert(sizeof(ifcr) == prop_data_size(d)); 539 540 memcpy(&ifcr, prop_data_data_nocopy(d), sizeof(ifcr)); 541 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name)); 542 if (ioctl(s, SIOCSIFCAP, &ifcr) == -1) 543 err(EXIT_FAILURE, "SIOCSIFCAP"); 544 } 545 546 int 547 main(int argc, char **argv) 548 { 549 const struct afswtch *afp; 550 int af, aflag = 0, Cflag = 0, s; 551 struct match match[32]; 552 size_t nmatch; 553 struct parser *start; 554 int ch, narg = 0, rc; 555 prop_dictionary_t env, xenv; 556 const char *ifname; 557 558 memset(match, 0, sizeof(match)); 559 560 start = init_parser(); 561 562 /* Parse command-line options */ 563 aflag = mflag = vflag = zflag = 0; 564 while ((ch = getopt(argc, argv, "AabCdhlmsuvz" 565 #ifdef INET6 566 "L" 567 #endif 568 )) != -1) { 569 switch (ch) { 570 case 'A': 571 warnx("-A is deprecated"); 572 break; 573 574 case 'a': 575 aflag = 1; 576 break; 577 578 case 'b': 579 bflag = 1; 580 break; 581 582 case 'C': 583 Cflag = 1; 584 break; 585 586 case 'd': 587 dflag = 1; 588 break; 589 case 'h': 590 hflag = 1; 591 break; 592 #ifdef INET6 593 case 'L': 594 Lflag = 1; 595 break; 596 #endif 597 598 case 'l': 599 lflag = 1; 600 break; 601 602 case 'm': 603 mflag = 1; 604 break; 605 606 case 's': 607 sflag = 1; 608 break; 609 610 case 'u': 611 uflag = 1; 612 break; 613 614 case 'v': 615 vflag = 1; 616 break; 617 618 case 'z': 619 zflag = 1; 620 break; 621 622 623 default: 624 usage(); 625 /* NOTREACHED */ 626 } 627 switch (ch) { 628 case 'a': 629 start = &opt_family_only.pb_parser; 630 break; 631 632 #ifdef INET6 633 case 'L': 634 #endif 635 case 'm': 636 case 'v': 637 case 'z': 638 if (start != &opt_family_only.pb_parser) 639 start = &iface_opt_family_only.pif_parser; 640 break; 641 case 'C': 642 start = &cloneterm.pt_parser; 643 break; 644 case 'l': 645 start = &no_cmds.pt_parser; 646 break; 647 case 's': 648 if (start != &no_cmds.pt_parser && 649 start != &opt_family_only.pb_parser) 650 start = &iface_only.pif_parser; 651 break; 652 default: 653 break; 654 } 655 } 656 argc -= optind; 657 argv += optind; 658 659 /* 660 * -l means "list all interfaces", and is mutally exclusive with 661 * all other flags/commands. 662 * 663 * -C means "list all names of cloners", and it mutually exclusive 664 * with all other flags/commands. 665 * 666 * -a means "print status of all interfaces". 667 */ 668 if ((lflag || Cflag) && (aflag || mflag || vflag || zflag)) 669 usage(); 670 #ifdef INET6 671 if ((lflag || Cflag) && Lflag) 672 usage(); 673 #endif 674 if (lflag && Cflag) 675 usage(); 676 677 nmatch = __arraycount(match); 678 679 rc = parse(argc, argv, start, match, &nmatch, &narg); 680 if (rc != 0) 681 usage(); 682 683 if ((xenv = prop_dictionary_create()) == NULL) 684 err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__); 685 686 if (matches_exec(match, xenv, nmatch) == -1) 687 err(EXIT_FAILURE, "exec_matches"); 688 689 argc -= narg; 690 argv += narg; 691 692 env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL; 693 if (env == NULL) 694 env = xenv; 695 else 696 env = prop_dictionary_augment(env, xenv); 697 698 /* Process any media commands that may have been issued. */ 699 process_media_commands(env); 700 701 af = getaf(env); 702 switch (af) { 703 #ifndef INET_ONLY 704 case AF_APPLETALK: 705 checkatrange(&at_addreq.ifra_addr); 706 break; 707 #endif /* INET_ONLY */ 708 default: 709 break; 710 case -1: 711 af = AF_INET; 712 break; 713 } 714 715 if ((s = getsock(af)) == -1) 716 err(EXIT_FAILURE, "%s: getsock", __func__); 717 718 if ((ifname = getifname(env)) == NULL) 719 err(EXIT_FAILURE, "%s: getifname", __func__); 720 721 if ((afp = lookup_af_bynum(af)) == NULL) 722 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__); 723 724 if (afp->af_addr_commit != NULL) { 725 (*afp->af_addr_commit)(env, xenv); 726 } else { 727 if (clearaddr) { 728 estrlcpy(afp->af_ridreq, ifname, IFNAMSIZ); 729 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 730 err(EXIT_FAILURE, "SIOCDIFADDR"); 731 } 732 if (newaddr > 0) { 733 estrlcpy(afp->af_addreq, ifname, IFNAMSIZ); 734 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 735 warn("SIOCAIFADDR"); 736 else if (check_up_state < 0) 737 check_up_state = 1; 738 } 739 } 740 741 do_setifpreference(env); 742 do_setifcaps(s, ifname, env); 743 744 if (check_up_state == 1) 745 check_ifflags_up(ifname); 746 747 exit(EXIT_SUCCESS); 748 } 749 750 const struct afswtch * 751 lookup_af_bynum(int afnum) 752 { 753 const struct afswtch *a; 754 755 for (a = afs; a->af_name != NULL; a++) 756 if (a->af_af == afnum) 757 return (a); 758 return (NULL); 759 } 760 761 void 762 printall(const char *ifname, prop_dictionary_t env0) 763 { 764 struct ifaddrs *ifap, *ifa; 765 struct ifreq ifr; 766 const struct sockaddr_dl *sdl = NULL; 767 prop_dictionary_t env, oenv; 768 int idx; 769 char *p; 770 771 if (env0 == NULL) 772 env = prop_dictionary_create(); 773 else 774 env = prop_dictionary_copy_mutable(env0); 775 776 oenv = prop_dictionary_create(); 777 778 if (env == NULL || oenv == NULL) 779 errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__); 780 781 if (getifaddrs(&ifap) != 0) 782 err(EXIT_FAILURE, "getifaddrs"); 783 p = NULL; 784 idx = 0; 785 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 786 memset(&ifr, 0, sizeof(ifr)); 787 estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 788 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 789 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 790 ifa->ifa_addr->sa_len); 791 } 792 793 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0) 794 continue; 795 if (ifa->ifa_addr->sa_family == AF_LINK) 796 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 797 if (p && strcmp(p, ifa->ifa_name) == 0) 798 continue; 799 if (!prop_dictionary_set_cstring(env, "if", ifa->ifa_name)) 800 continue; 801 p = ifa->ifa_name; 802 803 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 804 continue; 805 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 806 continue; 807 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 808 continue; 809 810 if (sflag && carrier(env)) 811 continue; 812 idx++; 813 /* 814 * Are we just listing the interfaces? 815 */ 816 if (lflag) { 817 if (idx > 1) 818 printf(" "); 819 fputs(ifa->ifa_name, stdout); 820 continue; 821 } 822 823 status(sdl, env, oenv); 824 sdl = NULL; 825 } 826 if (lflag) 827 printf("\n"); 828 prop_object_release((prop_object_t)env); 829 prop_object_release((prop_object_t)oenv); 830 freeifaddrs(ifap); 831 } 832 833 int 834 list_cloners(prop_dictionary_t env, prop_dictionary_t oenv) 835 { 836 struct if_clonereq ifcr; 837 char *cp, *buf; 838 int idx, s; 839 840 memset(&ifcr, 0, sizeof(ifcr)); 841 842 s = getsock(AF_INET); 843 844 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 845 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 846 847 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 848 if (buf == NULL) 849 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 850 851 ifcr.ifcr_count = ifcr.ifcr_total; 852 ifcr.ifcr_buffer = buf; 853 854 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 855 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 856 857 /* 858 * In case some disappeared in the mean time, clamp it down. 859 */ 860 if (ifcr.ifcr_count > ifcr.ifcr_total) 861 ifcr.ifcr_count = ifcr.ifcr_total; 862 863 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 864 if (idx > 0) 865 printf(" "); 866 printf("%s", cp); 867 } 868 869 printf("\n"); 870 free(buf); 871 exit(EXIT_SUCCESS); 872 } 873 874 static int 875 clone_command(prop_dictionary_t env, prop_dictionary_t xenv) 876 { 877 struct ifreq ifreq; 878 int s; 879 int64_t cmd; 880 const char *ifname; 881 882 if (!prop_dictionary_get_int64(env, "clonecmd", &cmd)) { 883 errno = ENOENT; 884 return -1; 885 } 886 887 if ((ifname = getifname(env)) == NULL) 888 return -1; 889 890 /* We're called early... */ 891 s = getsock(AF_INET); 892 893 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name)); 894 if (ioctl(s, (unsigned long)cmd, &ifreq) == -1) { 895 warn("%s", __func__); 896 return -1; 897 } 898 return 0; 899 } 900 901 /*ARGSUSED*/ 902 int 903 setifaddr(prop_dictionary_t env, prop_dictionary_t xenv) 904 { 905 struct ifreq *ifr; /* XXX */ 906 const struct paddr_prefix *pfx0; 907 struct paddr_prefix *pfx; 908 prop_data_t d; 909 const char *ifname; 910 int af, s; 911 const struct afswtch *afp; 912 913 if ((af = getaf(env)) == -1) 914 af = AF_INET; 915 916 if ((afp = lookup_af_bynum(af)) == NULL) 917 return -1; 918 919 d = (prop_data_t)prop_dictionary_get(env, "address"); 920 assert(d != NULL); 921 pfx0 = prop_data_data_nocopy(d); 922 923 if (pfx0->pfx_len >= 0) { 924 pfx = prefixlen_to_mask(af, pfx0->pfx_len); 925 if (pfx == NULL) 926 err(EXIT_FAILURE, "prefixlen_to_mask"); 927 928 if (afp->af_getaddr != NULL) 929 (*afp->af_getaddr)(pfx, MASK); 930 free(pfx); 931 } 932 933 if (afp->af_addr_commit != NULL) 934 return 0; 935 936 if ((ifname = getifname(env)) == NULL) 937 return -1; 938 939 /* 940 * Delay the ioctl to set the interface addr until flags are all set. 941 * The address interpretation may depend on the flags, 942 * and the flags may change when the address is set. 943 */ 944 setaddr++; 945 if (newaddr == -1) 946 newaddr = 1; 947 if (doalias == 0 && afp->af_gifaddr != 0) { 948 ifr = (struct ifreq *)afp->af_ridreq; 949 estrlcpy(ifr->ifr_name, ifname, sizeof(ifr->ifr_name)); 950 ifr->ifr_addr.sa_family = af; 951 952 if ((s = getsock(af)) == -1) 953 err(EXIT_FAILURE, "getsock"); 954 955 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 956 clearaddr = 1; 957 else if (errno == EADDRNOTAVAIL) 958 /* No address was assigned yet. */ 959 ; 960 else 961 err(EXIT_FAILURE, "SIOCGIFADDR"); 962 } 963 964 #if 0 965 int i; 966 for (i = 0; i < pfx0->pfx_addr.sa_len; i++) 967 printf(" %02x", ((const uint8_t *)&pfx->pfx_addr)[i]); 968 printf("\n"); 969 #endif 970 if (afp->af_getaddr != NULL) 971 (*afp->af_getaddr)(pfx0, (doalias >= 0 ? ADDR : RIDADDR)); 972 return 0; 973 } 974 975 int 976 setifnetmask(prop_dictionary_t env, prop_dictionary_t xenv) 977 { 978 const struct paddr_prefix *pfx; 979 prop_data_t d; 980 int af; 981 const struct afswtch *afp; 982 983 if ((af = getaf(env)) == -1) 984 af = AF_INET; 985 986 if ((afp = lookup_af_bynum(af)) == NULL) 987 return -1; 988 989 d = (prop_data_t)prop_dictionary_get(env, "dstormask"); 990 assert(d != NULL); 991 pfx = prop_data_data_nocopy(d); 992 993 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d)) 994 return -1; 995 996 if (afp->af_getaddr != NULL) 997 (*afp->af_getaddr)(pfx, MASK); 998 return 0; 999 } 1000 1001 int 1002 setifbroadaddr(prop_dictionary_t env, prop_dictionary_t xenv) 1003 { 1004 const struct paddr_prefix *pfx; 1005 prop_data_t d; 1006 int af; 1007 const struct afswtch *afp; 1008 unsigned short flags; 1009 1010 if ((af = getaf(env)) == -1) 1011 af = AF_INET; 1012 1013 if ((afp = lookup_af_bynum(af)) == NULL) 1014 return -1; 1015 1016 if (getifflags(env, xenv, &flags) == -1) 1017 err(EXIT_FAILURE, "%s: getifflags", __func__); 1018 1019 if ((flags & IFF_BROADCAST) == 0) 1020 errx(EXIT_FAILURE, "not a broadcast interface"); 1021 1022 d = (prop_data_t)prop_dictionary_get(env, "broadcast"); 1023 assert(d != NULL); 1024 pfx = prop_data_data_nocopy(d); 1025 1026 if (!prop_dictionary_set(xenv, "broadcast", (prop_object_t)d)) 1027 return -1; 1028 1029 if (afp->af_getaddr != NULL) 1030 (*afp->af_getaddr)(pfx, DSTADDR); 1031 1032 return 0; 1033 } 1034 1035 #define rqtosa(__afp, __x) (&(((struct ifreq *)(__afp->__x))->ifr_addr)) 1036 1037 int 1038 notealias(prop_dictionary_t env, prop_dictionary_t xenv) 1039 { 1040 bool alias, delete; 1041 int af; 1042 const struct afswtch *afp; 1043 1044 if ((af = getaf(env)) == -1) 1045 af = AF_INET; 1046 1047 if ((afp = lookup_af_bynum(af)) == NULL) 1048 return -1; 1049 1050 if (afp->af_addr_commit != NULL) 1051 return 0; 1052 1053 if (!prop_dictionary_get_bool(env, "alias", &alias)) { 1054 errno = ENOENT; 1055 return -1; 1056 } 1057 delete = !alias; 1058 if (setaddr && doalias == 0 && delete) 1059 memcpy(rqtosa(afp, af_ridreq), rqtosa(afp, af_addreq), 1060 rqtosa(afp, af_addreq)->sa_len); 1061 doalias = delete ? -1 : 1; 1062 if (delete) { 1063 clearaddr = 1; 1064 newaddr = 0; 1065 } else { 1066 clearaddr = 0; 1067 } 1068 return 0; 1069 } 1070 1071 /*ARGSUSED*/ 1072 int 1073 notrailers(prop_dictionary_t env, prop_dictionary_t xenv) 1074 { 1075 puts("Note: trailers are no longer sent, but always received"); 1076 return 0; 1077 } 1078 1079 /*ARGSUSED*/ 1080 int 1081 setifdstormask(prop_dictionary_t env, prop_dictionary_t xenv) 1082 { 1083 const char *key; 1084 const struct paddr_prefix *pfx; 1085 prop_data_t d; 1086 int af, which; 1087 const struct afswtch *afp; 1088 unsigned short flags; 1089 1090 if ((af = getaf(env)) == -1) 1091 af = AF_INET; 1092 1093 if ((afp = lookup_af_bynum(af)) == NULL) 1094 return -1; 1095 1096 if (getifflags(env, xenv, &flags) == -1) 1097 err(EXIT_FAILURE, "%s: getifflags", __func__); 1098 1099 d = (prop_data_t)prop_dictionary_get(env, "dstormask"); 1100 assert(d != NULL); 1101 pfx = prop_data_data_nocopy(d); 1102 1103 if ((flags & IFF_BROADCAST) == 0) { 1104 key = "dst"; 1105 which = DSTADDR; 1106 } else { 1107 key = "netmask"; 1108 which = MASK; 1109 } 1110 1111 if (!prop_dictionary_set(xenv, key, (prop_object_t)d)) 1112 return -1; 1113 1114 if (afp->af_getaddr != NULL) 1115 (*afp->af_getaddr)(pfx, which); 1116 return 0; 1117 } 1118 1119 void 1120 check_ifflags_up(const char *ifname) 1121 { 1122 struct ifreq ifreq; 1123 int s; 1124 1125 s = getsock(AF_UNSPEC); 1126 1127 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name)); 1128 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1129 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1130 if (ifreq.ifr_flags & IFF_UP) 1131 return; 1132 ifreq.ifr_flags |= IFF_UP; 1133 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1134 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1135 } 1136 1137 int 1138 setifflags(prop_dictionary_t env, prop_dictionary_t xenv) 1139 { 1140 struct ifreq ifreq; 1141 int64_t ifflag; 1142 int s; 1143 bool rc; 1144 const char *ifname; 1145 1146 s = getsock(AF_INET); 1147 1148 rc = prop_dictionary_get_int64(env, "ifflag", &ifflag); 1149 assert(rc); 1150 if ((ifname = getifname(env)) == NULL) 1151 return -1; 1152 1153 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name)); 1154 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1155 return -1; 1156 1157 if (ifflag < 0) { 1158 ifflag = -ifflag; 1159 if (ifflag == IFF_UP) 1160 check_up_state = 0; 1161 ifreq.ifr_flags &= ~ifflag; 1162 } else 1163 ifreq.ifr_flags |= ifflag; 1164 1165 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1166 return -1; 1167 1168 return 0; 1169 } 1170 1171 static int 1172 getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr) 1173 { 1174 const char *ifname; 1175 bool rc; 1176 int s; 1177 struct ifcapreq ifcr; 1178 const struct ifcapreq *tmpifcr; 1179 prop_data_t capdata; 1180 1181 if ((s = getsock(AF_UNSPEC)) == -1) 1182 return -1; 1183 1184 if ((ifname = getifname(env)) == NULL) 1185 return -1; 1186 1187 capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps"); 1188 1189 if (capdata != NULL) { 1190 tmpifcr = prop_data_data_nocopy(capdata); 1191 *oifcr = *tmpifcr; 1192 return 0; 1193 } 1194 1195 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name)); 1196 (void)ioctl(s, SIOCGIFCAP, &ifcr); 1197 *oifcr = ifcr; 1198 1199 capdata = prop_data_create_data(&ifcr, sizeof(ifcr)); 1200 1201 rc = prop_dictionary_set(oenv, "ifcaps", capdata); 1202 1203 prop_object_release((prop_object_t)capdata); 1204 1205 return rc ? 0 : -1; 1206 } 1207 1208 static int 1209 setifcaps(prop_dictionary_t env, prop_dictionary_t oenv) 1210 { 1211 int64_t ifcap; 1212 int s; 1213 bool rc; 1214 prop_data_t capdata; 1215 const char *ifname; 1216 struct ifcapreq ifcr; 1217 1218 s = getsock(AF_INET); 1219 1220 rc = prop_dictionary_get_int64(env, "ifcap", &ifcap); 1221 assert(rc); 1222 1223 if ((ifname = getifname(env)) == NULL) 1224 return -1; 1225 1226 if (getifcaps(env, oenv, &ifcr) == -1) 1227 return -1; 1228 1229 if (ifcap < 0) { 1230 ifcap = -ifcap; 1231 ifcr.ifcr_capenable &= ~ifcap; 1232 } else 1233 ifcr.ifcr_capenable |= ifcap; 1234 1235 if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL) 1236 return -1; 1237 1238 rc = prop_dictionary_set(oenv, "ifcaps", capdata); 1239 prop_object_release((prop_object_t)capdata); 1240 1241 return rc ? 0 : -1; 1242 } 1243 1244 static int 1245 setifmetric(prop_dictionary_t env, prop_dictionary_t xenv) 1246 { 1247 struct ifreq ifr; 1248 bool rc; 1249 const char *ifname; 1250 int s; 1251 int64_t metric; 1252 1253 if ((s = getsock(AF_UNSPEC)) == -1) 1254 return -1; 1255 1256 if ((ifname = getifname(env)) == NULL) 1257 return -1; 1258 1259 rc = prop_dictionary_get_int64(env, "metric", &metric); 1260 assert(rc); 1261 1262 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1263 ifr.ifr_metric = metric; 1264 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1265 warn("SIOCSIFMETRIC"); 1266 return 0; 1267 } 1268 1269 static void 1270 do_setifpreference(prop_dictionary_t env) 1271 { 1272 struct if_addrprefreq ifap; 1273 int af, s; 1274 const char *ifname; 1275 const struct afswtch *afp; 1276 prop_data_t d; 1277 const struct paddr_prefix *pfx; 1278 1279 if ((af = getaf(env)) == -1) 1280 af = AF_INET; 1281 1282 if ((afp = lookup_af_bynum(af)) == NULL) 1283 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__); 1284 1285 memset(&ifap, 0, sizeof(ifap)); 1286 1287 if (!prop_dictionary_get_int16(env, "preference", 1288 &ifap.ifap_preference)) 1289 return; 1290 1291 d = (prop_data_t)prop_dictionary_get(env, "address"); 1292 assert(d != NULL); 1293 1294 pfx = prop_data_data_nocopy(d); 1295 1296 s = getsock(AF_UNSPEC); 1297 1298 if ((ifname = getifname(env)) == NULL) 1299 err(EXIT_FAILURE, "%s: getifname", __func__); 1300 1301 strlcpy(ifap.ifap_name, ifname, sizeof(ifap.ifap_name)); 1302 memcpy(&ifap.ifap_addr, &pfx->pfx_addr, 1303 MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len)); 1304 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1) 1305 warn("SIOCSIFADDRPREF"); 1306 } 1307 1308 static int 1309 setifmtu(prop_dictionary_t env, prop_dictionary_t xenv) 1310 { 1311 int64_t mtu; 1312 bool rc; 1313 const char *ifname; 1314 struct ifreq ifr; 1315 int s; 1316 1317 if ((s = getsock(AF_UNSPEC)) == -1) 1318 return -1; 1319 1320 if ((ifname = getifname(env)) == NULL) 1321 return -1; 1322 1323 rc = prop_dictionary_get_int64(env, "mtu", &mtu); 1324 assert(rc); 1325 1326 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1327 ifr.ifr_mtu = mtu; 1328 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1329 warn("SIOCSIFMTU"); 1330 1331 return 0; 1332 } 1333 1334 static void 1335 media_error(int type, const char *val, const char *opt) 1336 { 1337 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1338 get_media_type_string(type), opt, val); 1339 } 1340 1341 void 1342 init_current_media(prop_dictionary_t env, prop_dictionary_t oenv) 1343 { 1344 struct ifmediareq ifmr; 1345 int s; 1346 const char *ifname; 1347 1348 if ((s = getsock(AF_UNSPEC)) == -1) 1349 err(EXIT_FAILURE, "%s: getsock", __func__); 1350 1351 if ((ifname = getifname(env)) == NULL) 1352 err(EXIT_FAILURE, "%s: getifname", __func__); 1353 1354 /* 1355 * If we have not yet done so, grab the currently-selected 1356 * media. 1357 */ 1358 1359 if (prop_dictionary_get(env, "initmedia") == NULL) { 1360 memset(&ifmr, 0, sizeof(ifmr)); 1361 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name)); 1362 1363 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1364 /* 1365 * If we get E2BIG, the kernel is telling us 1366 * that there are more, so we can ignore it. 1367 */ 1368 if (errno != E2BIG) 1369 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1370 } 1371 1372 if (!prop_dictionary_set_bool(oenv, "initmedia", true)) { 1373 err(EXIT_FAILURE, "%s: prop_dictionary_set_bool", 1374 __func__); 1375 } 1376 media_current = ifmr.ifm_current; 1377 } 1378 1379 /* Sanity. */ 1380 if (IFM_TYPE(media_current) == 0) 1381 errx(EXIT_FAILURE, "%s: no link type?", ifname); 1382 } 1383 1384 void 1385 process_media_commands(prop_dictionary_t env) 1386 { 1387 struct ifreq ifr; 1388 const char *ifname; 1389 int s; 1390 1391 if ((s = getsock(AF_UNSPEC)) == -1) 1392 err(EXIT_FAILURE, "%s: getsock", __func__); 1393 1394 if (prop_dictionary_get(env, "media") == NULL && 1395 prop_dictionary_get(env, "mediaopt") == NULL && 1396 prop_dictionary_get(env, "unmediaopt") == NULL && 1397 prop_dictionary_get(env, "mediamode") == NULL) { 1398 /* Nothing to do. */ 1399 return; 1400 } 1401 1402 if ((ifname = getifname(env)) == NULL) 1403 err(EXIT_FAILURE, "%s: getifname", __func__); 1404 1405 /* 1406 * Media already set up, and commands sanity-checked. Set/clear 1407 * any options, and we're ready to go. 1408 */ 1409 media_current |= mediaopt_set; 1410 media_current &= ~mediaopt_clear; 1411 1412 memset(&ifr, 0, sizeof(ifr)); 1413 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1414 ifr.ifr_media = media_current; 1415 1416 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1417 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1418 } 1419 1420 int 1421 setmedia(prop_dictionary_t env, prop_dictionary_t xenv) 1422 { 1423 int type, subtype, inst; 1424 prop_data_t data; 1425 char *val; 1426 1427 init_current_media(env, xenv); 1428 1429 data = (prop_data_t)prop_dictionary_get(env, "media"); 1430 assert(data != NULL); 1431 1432 /* Only one media command may be given. */ 1433 /* Must not come after mode commands */ 1434 /* Must not come after mediaopt commands */ 1435 1436 /* 1437 * No need to check if `instance' has been issued; setmediainst() 1438 * craps out if `media' has not been specified. 1439 */ 1440 1441 type = IFM_TYPE(media_current); 1442 inst = IFM_INST(media_current); 1443 1444 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1445 if (val == NULL) 1446 return -1; 1447 1448 /* Look up the subtype. */ 1449 subtype = get_media_subtype(type, val); 1450 if (subtype == -1) 1451 media_error(type, val, "subtype"); 1452 1453 /* Build the new current media word. */ 1454 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1455 1456 /* Media will be set after other processing is complete. */ 1457 return 0; 1458 } 1459 1460 int 1461 setmediaopt(prop_dictionary_t env, prop_dictionary_t xenv) 1462 { 1463 char *invalid; 1464 prop_data_t data; 1465 char *val; 1466 1467 init_current_media(env, xenv); 1468 1469 data = (prop_data_t)prop_dictionary_get(env, "mediaopt"); 1470 assert(data != NULL); 1471 1472 /* Can only issue `mediaopt' once. */ 1473 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1474 1475 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1476 if (val == NULL) 1477 return -1; 1478 1479 mediaopt_set = get_media_options(media_current, val, &invalid); 1480 free(val); 1481 if (mediaopt_set == -1) 1482 media_error(media_current, invalid, "option"); 1483 1484 /* Media will be set after other processing is complete. */ 1485 return 0; 1486 } 1487 1488 int 1489 unsetmediaopt(prop_dictionary_t env, prop_dictionary_t xenv) 1490 { 1491 char *invalid, *val; 1492 prop_data_t data; 1493 1494 init_current_media(env, xenv); 1495 1496 data = (prop_data_t)prop_dictionary_get(env, "unmediaopt"); 1497 if (data == NULL) { 1498 errno = ENOENT; 1499 return -1; 1500 } 1501 1502 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1503 if (val == NULL) 1504 return -1; 1505 1506 /* 1507 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1508 * implicitly checks for A_MEDIAINST. 1509 */ 1510 1511 mediaopt_clear = get_media_options(media_current, val, &invalid); 1512 free(val); 1513 if (mediaopt_clear == -1) 1514 media_error(media_current, invalid, "option"); 1515 1516 /* Media will be set after other processing is complete. */ 1517 return 0; 1518 } 1519 1520 int 1521 setmediainst(prop_dictionary_t env, prop_dictionary_t xenv) 1522 { 1523 int type, subtype, options; 1524 int64_t inst; 1525 bool rc; 1526 1527 init_current_media(env, xenv); 1528 1529 rc = prop_dictionary_get_int64(env, "mediainst", &inst); 1530 assert(rc); 1531 1532 /* Can only issue `instance' once. */ 1533 /* Must have already specified `media' */ 1534 1535 type = IFM_TYPE(media_current); 1536 subtype = IFM_SUBTYPE(media_current); 1537 options = IFM_OPTIONS(media_current); 1538 1539 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1540 1541 /* Media will be set after other processing is complete. */ 1542 return 0; 1543 } 1544 1545 int 1546 setmediamode(prop_dictionary_t env, prop_dictionary_t xenv) 1547 { 1548 int type, subtype, options, inst, mode; 1549 prop_data_t data; 1550 char *val; 1551 1552 init_current_media(env, xenv); 1553 1554 data = (prop_data_t)prop_dictionary_get(env, "mediamode"); 1555 assert(data != NULL); 1556 1557 type = IFM_TYPE(media_current); 1558 subtype = IFM_SUBTYPE(media_current); 1559 options = IFM_OPTIONS(media_current); 1560 inst = IFM_INST(media_current); 1561 1562 val = strndup(prop_data_data_nocopy(data), prop_data_size(data)); 1563 if (val == NULL) 1564 return -1; 1565 1566 mode = get_media_mode(type, val); 1567 if (mode == -1) 1568 media_error(type, val, "mode"); 1569 1570 free(val); 1571 1572 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1573 1574 /* Media will be set after other processing is complete. */ 1575 return 0; 1576 } 1577 1578 void 1579 print_media_word(int ifmw, const char *opt_sep) 1580 { 1581 const char *str; 1582 1583 printf("%s", get_media_subtype_string(ifmw)); 1584 1585 /* Find mode. */ 1586 if (IFM_MODE(ifmw) != 0) { 1587 str = get_media_mode_string(ifmw); 1588 if (str != NULL) 1589 printf(" mode %s", str); 1590 } 1591 1592 /* Find options. */ 1593 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1594 printf("%s%s", opt_sep, str); 1595 1596 if (IFM_INST(ifmw) != 0) 1597 printf(" instance %d", IFM_INST(ifmw)); 1598 } 1599 1600 int 1601 carrier(prop_dictionary_t env) 1602 { 1603 struct ifmediareq ifmr; 1604 int s; 1605 const char *ifname; 1606 1607 if ((s = getsock(AF_UNSPEC)) == -1) 1608 err(EXIT_FAILURE, "%s: getsock", __func__); 1609 1610 if ((ifname = getifname(env)) == NULL) 1611 err(EXIT_FAILURE, "%s: getifname", __func__); 1612 1613 (void) memset(&ifmr, 0, sizeof(ifmr)); 1614 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name)); 1615 1616 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1617 /* 1618 * Interface doesn't support SIOC{G,S}IFMEDIA; 1619 * assume ok. 1620 */ 1621 return EXIT_SUCCESS; 1622 } 1623 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1624 /* 1625 * Interface doesn't report media-valid status. 1626 * assume ok. 1627 */ 1628 return EXIT_SUCCESS; 1629 } 1630 /* otherwise, return ok for active, not-ok if not active. */ 1631 if (ifmr.ifm_status & IFM_ACTIVE) 1632 return EXIT_SUCCESS; 1633 else 1634 return EXIT_FAILURE; 1635 } 1636 1637 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1638 1639 const struct ifmedia_status_description ifm_status_descriptions[] = 1640 IFM_STATUS_DESCRIPTIONS; 1641 1642 /* 1643 * Print the status of the interface. If an address family was 1644 * specified, show it and it only; otherwise, show them all. 1645 */ 1646 void 1647 status(const struct sockaddr_dl *sdl, prop_dictionary_t env, 1648 prop_dictionary_t oenv) 1649 { 1650 struct ifmediareq ifmr; 1651 struct ifdatareq ifdr; 1652 struct ifreq ifr; 1653 int *media_list, i; 1654 char hbuf[NI_MAXHOST]; 1655 char fbuf[BUFSIZ]; 1656 int af, s; 1657 const char *ifname; 1658 struct ifcapreq ifcr; 1659 unsigned short flags; 1660 const struct afswtch *afp; 1661 1662 if ((af = getaf(env)) == -1) { 1663 afp = NULL; 1664 af = AF_UNSPEC; 1665 } else 1666 afp = lookup_af_bynum(af); 1667 1668 if ((s = getsock(af)) == -1) 1669 err(EXIT_FAILURE, "%s: getsock", __func__); 1670 1671 if ((ifname = getifinfo(env, oenv, &flags)) == NULL) 1672 err(EXIT_FAILURE, "%s: getifinfo", __func__); 1673 1674 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1675 printf("%s: flags=%s", ifname, &fbuf[2]); 1676 1677 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1678 if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1) 1679 warn("SIOCGIFMETRIC %s", ifr.ifr_name); 1680 else if (ifr.ifr_metric != 0) 1681 printf(" metric %d", ifr.ifr_metric); 1682 1683 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1684 if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0) 1685 printf(" mtu %d", ifr.ifr_mtu); 1686 printf("\n"); 1687 1688 if (getifcaps(env, oenv, &ifcr) == -1) 1689 err(EXIT_FAILURE, "%s: getifcaps", __func__); 1690 1691 if (ifcr.ifcr_capabilities != 0) { 1692 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1693 ifcr.ifcr_capabilities); 1694 printf("\tcapabilities=%s\n", &fbuf[2]); 1695 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1696 ifcr.ifcr_capenable); 1697 printf("\tenabled=%s\n", &fbuf[2]); 1698 } 1699 1700 ieee80211_status(env, oenv); 1701 vlan_status(env, oenv); 1702 #ifndef INET_ONLY 1703 carp_status(env, oenv); 1704 #endif 1705 tunnel_status(env, oenv); 1706 agr_status(env, oenv); 1707 1708 if (sdl != NULL && 1709 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1710 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1711 hbuf[0] != '\0') 1712 printf("\taddress: %s\n", hbuf); 1713 1714 (void) memset(&ifmr, 0, sizeof(ifmr)); 1715 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name)); 1716 1717 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1718 /* 1719 * Interface doesn't support SIOC{G,S}IFMEDIA. 1720 */ 1721 goto iface_stats; 1722 } 1723 1724 if (ifmr.ifm_count == 0) { 1725 warnx("%s: no media types?", ifname); 1726 goto iface_stats; 1727 } 1728 1729 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1730 if (media_list == NULL) 1731 err(EXIT_FAILURE, "malloc"); 1732 ifmr.ifm_ulist = media_list; 1733 1734 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1735 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1736 1737 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1738 print_media_word(ifmr.ifm_current, " "); 1739 if (ifmr.ifm_active != ifmr.ifm_current) { 1740 printf(" ("); 1741 print_media_word(ifmr.ifm_active, " "); 1742 printf(")"); 1743 } 1744 printf("\n"); 1745 1746 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1747 const struct ifmedia_status_description *ifms; 1748 int bitno, found = 0; 1749 1750 printf("\tstatus: "); 1751 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1752 for (ifms = ifm_status_descriptions; 1753 ifms->ifms_valid != 0; ifms++) { 1754 if (ifms->ifms_type != 1755 IFM_TYPE(ifmr.ifm_current) || 1756 ifms->ifms_valid != 1757 ifm_status_valid_list[bitno]) 1758 continue; 1759 printf("%s%s", found ? ", " : "", 1760 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1761 found = 1; 1762 1763 /* 1764 * For each valid indicator bit, there's 1765 * only one entry for each media type, so 1766 * terminate the inner loop now. 1767 */ 1768 break; 1769 } 1770 } 1771 1772 if (found == 0) 1773 printf("unknown"); 1774 printf("\n"); 1775 } 1776 1777 if (mflag) { 1778 int type, printed_type; 1779 1780 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1781 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1782 if (IFM_TYPE(media_list[i]) != type) 1783 continue; 1784 if (printed_type == 0) { 1785 printf("\tsupported %s media:\n", 1786 get_media_type_string(type)); 1787 printed_type = 1; 1788 } 1789 printf("\t\tmedia "); 1790 print_media_word(media_list[i], " mediaopt "); 1791 printf("\n"); 1792 } 1793 } 1794 } 1795 1796 free(media_list); 1797 1798 iface_stats: 1799 if (!vflag && !zflag) 1800 goto proto_status; 1801 1802 estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name)); 1803 1804 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1805 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1806 } else { 1807 struct if_data * const ifi = &ifdr.ifdr_data; 1808 char buf[5]; 1809 1810 #define PLURAL(n) ((n) == 1 ? "" : "s") 1811 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s") 1812 printf("\tinput: %llu packet%s, ", 1813 (unsigned long long) ifi->ifi_ipackets, 1814 PLURAL(ifi->ifi_ipackets)); 1815 if (hflag) { 1816 (void) humanize_number(buf, sizeof(buf), 1817 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE, 1818 HN_NOSPACE | HN_DECIMAL); 1819 printf("%s byte%s", buf, 1820 PLURALSTR(buf)); 1821 } else 1822 printf("%llu byte%s", 1823 (unsigned long long) ifi->ifi_ibytes, 1824 PLURAL(ifi->ifi_ibytes)); 1825 if (ifi->ifi_imcasts) 1826 printf(", %llu multicast%s", 1827 (unsigned long long) ifi->ifi_imcasts, 1828 PLURAL(ifi->ifi_imcasts)); 1829 if (ifi->ifi_ierrors) 1830 printf(", %llu error%s", 1831 (unsigned long long) ifi->ifi_ierrors, 1832 PLURAL(ifi->ifi_ierrors)); 1833 if (ifi->ifi_iqdrops) 1834 printf(", %llu queue drop%s", 1835 (unsigned long long) ifi->ifi_iqdrops, 1836 PLURAL(ifi->ifi_iqdrops)); 1837 if (ifi->ifi_noproto) 1838 printf(", %llu unknown protocol", 1839 (unsigned long long) ifi->ifi_noproto); 1840 printf("\n\toutput: %llu packet%s, ", 1841 (unsigned long long) ifi->ifi_opackets, 1842 PLURAL(ifi->ifi_opackets)); 1843 if (hflag) { 1844 (void) humanize_number(buf, sizeof(buf), 1845 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE, 1846 HN_NOSPACE | HN_DECIMAL); 1847 printf("%s byte%s", buf, 1848 PLURALSTR(buf)); 1849 } else 1850 printf("%llu byte%s", 1851 (unsigned long long) ifi->ifi_obytes, 1852 PLURAL(ifi->ifi_obytes)); 1853 if (ifi->ifi_omcasts) 1854 printf(", %llu multicast%s", 1855 (unsigned long long) ifi->ifi_omcasts, 1856 PLURAL(ifi->ifi_omcasts)); 1857 if (ifi->ifi_oerrors) 1858 printf(", %llu error%s", 1859 (unsigned long long) ifi->ifi_oerrors, 1860 PLURAL(ifi->ifi_oerrors)); 1861 if (ifi->ifi_collisions) 1862 printf(", %llu collision%s", 1863 (unsigned long long) ifi->ifi_collisions, 1864 PLURAL(ifi->ifi_collisions)); 1865 printf("\n"); 1866 #undef PLURAL 1867 #undef PLURALSTR 1868 } 1869 1870 ieee80211_statistics(env); 1871 1872 proto_status: 1873 1874 if (afp != NULL) 1875 (*afp->af_status)(env, oenv, true); 1876 else for (afp = afs; afp->af_name != NULL; afp++) 1877 (*afp->af_status)(env, oenv, false); 1878 } 1879 1880 int 1881 setifprefixlen(prop_dictionary_t env, prop_dictionary_t xenv) 1882 { 1883 const char *ifname; 1884 bool rc; 1885 int64_t plen; 1886 int af; 1887 const struct afswtch *afp; 1888 unsigned short flags; 1889 struct paddr_prefix *pfx; 1890 prop_data_t d; 1891 1892 if ((af = getaf(env)) == -1) 1893 af = AF_INET; 1894 1895 if ((afp = lookup_af_bynum(af)) == NULL) 1896 return -1; 1897 1898 if ((ifname = getifinfo(env, xenv, &flags)) == NULL) 1899 err(EXIT_FAILURE, "getifinfo"); 1900 1901 rc = prop_dictionary_get_int64(env, "prefixlen", &plen); 1902 assert(rc); 1903 1904 pfx = prefixlen_to_mask(af, plen); 1905 if (pfx == NULL) 1906 err(EXIT_FAILURE, "prefixlen_to_mask"); 1907 1908 d = prop_data_create_data(pfx, 1909 offsetof(struct paddr_prefix, pfx_addr) + pfx->pfx_addr.sa_len); 1910 if (d == NULL) 1911 err(EXIT_FAILURE, "%s: prop_data_create_data", __func__); 1912 1913 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d)) 1914 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__); 1915 1916 if (afp->af_getaddr != NULL) 1917 (*afp->af_getaddr)(pfx, MASK); 1918 1919 free(pfx); 1920 return 0; 1921 } 1922 1923 void 1924 usage(void) 1925 { 1926 const char *progname = getprogname(); 1927 1928 fprintf(stderr, 1929 "usage: %s [-h] [-m] [-v] [-z] " 1930 #ifdef INET6 1931 "[-L] " 1932 #endif 1933 "interface\n" 1934 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 1935 "\t\t[ alias | -alias ] ]\n" 1936 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 1937 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 1938 "\t[ list scan ]\n" 1939 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 1940 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n" 1941 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 1942 "\t[ arp | -arp ]\n" 1943 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 1944 "[ instance minst ]\n" 1945 "\t[ preference n ]\n" 1946 "\t[ vlan n vlanif i ]\n" 1947 "\t[ agrport i ] [ -agrport i ]\n" 1948 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 1949 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 1950 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 1951 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 1952 " %s -l [-b] [-d] [-u] [-s]\n" 1953 " %s -C\n" 1954 " %s interface create\n" 1955 " %s interface destroy\n", 1956 progname, progname, progname, progname, progname, progname); 1957 exit(EXIT_FAILURE); 1958 } 1959
Indexes created Tue Sep 30 11:09:46 GMT 2025