1 /* $OpenBSD: ieee80211_ioctl.c,v 1.79 2020/01/15 09:34:27 phessler Exp $ */ 2 /* $NetBSD: ieee80211_ioctl.c,v 1.15 2004/05/06 02:58:16 dyoung Exp $ */ 3 4 /*- 5 * Copyright (c) 2001 Atsushi Onoe 6 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * IEEE 802.11 ioctl support 34 */ 35 36 #include <sys/param.h> 37 #include <sys/kernel.h> 38 #include <sys/socket.h> 39 #include <sys/sockio.h> 40 #include <sys/systm.h> 41 #include <sys/endian.h> 42 #include <sys/tree.h> 43 44 #include <net/if.h> 45 #include <net/if_media.h> 46 47 #include <netinet/in.h> 48 #include <netinet/if_ether.h> 49 50 #include <net80211/ieee80211_var.h> 51 #include <net80211/ieee80211_crypto.h> 52 #include <net80211/ieee80211_ioctl.h> 53 54 void ieee80211_node2req(struct ieee80211com *, 55 const struct ieee80211_node *, struct ieee80211_nodereq *); 56 void ieee80211_req2node(struct ieee80211com *, 57 const struct ieee80211_nodereq *, struct ieee80211_node *); 58 59 void 60 ieee80211_node2req(struct ieee80211com *ic, const struct ieee80211_node *ni, 61 struct ieee80211_nodereq *nr) 62 { 63 uint8_t rssi; 64 65 memset(nr, 0, sizeof(*nr)); 66 67 strlcpy(nr->nr_ifname, ic->ic_if.if_xname, sizeof(nr->nr_ifname)); 68 69 /* Node address and name information */ 70 IEEE80211_ADDR_COPY(nr->nr_macaddr, ni->ni_macaddr); 71 IEEE80211_ADDR_COPY(nr->nr_bssid, ni->ni_bssid); 72 nr->nr_nwid_len = ni->ni_esslen; 73 bcopy(ni->ni_essid, nr->nr_nwid, IEEE80211_NWID_LEN); 74 75 /* Channel and rates */ 76 nr->nr_channel = ieee80211_chan2ieee(ic, ni->ni_chan); 77 if (ni->ni_chan != IEEE80211_CHAN_ANYC) 78 nr->nr_chan_flags = ni->ni_chan->ic_flags; 79 if (ic->ic_curmode != IEEE80211_MODE_11N) 80 nr->nr_chan_flags &= ~IEEE80211_CHAN_HT; 81 nr->nr_nrates = ni->ni_rates.rs_nrates; 82 bcopy(ni->ni_rates.rs_rates, nr->nr_rates, IEEE80211_RATE_MAXSIZE); 83 84 /* Node status information */ 85 rssi = (*ic->ic_node_getrssi)(ic, ni); 86 if (ic->ic_max_rssi) { 87 /* Driver reports RSSI relative to ic_max_rssi. */ 88 nr->nr_rssi = rssi; 89 } else { 90 /* 91 * Driver reports RSSI value in dBm. 92 * Convert from unsigned to signed. 93 * Some drivers report a negative value, some don't. 94 * Reasonable range is -20dBm to -80dBm. 95 */ 96 nr->nr_rssi = (rssi < 128) ? -rssi : rssi; 97 } 98 nr->nr_max_rssi = ic->ic_max_rssi; 99 bcopy(ni->ni_tstamp, nr->nr_tstamp, sizeof(nr->nr_tstamp)); 100 nr->nr_intval = ni->ni_intval; 101 nr->nr_capinfo = ni->ni_capinfo; 102 nr->nr_erp = ni->ni_erp; 103 nr->nr_pwrsave = ni->ni_pwrsave; 104 nr->nr_associd = ni->ni_associd; 105 nr->nr_txseq = ni->ni_txseq; 106 nr->nr_rxseq = ni->ni_rxseq; 107 nr->nr_fails = ni->ni_fails; 108 nr->nr_assoc_fail = ni->ni_assoc_fail; /* flag values are the same */ 109 nr->nr_inact = ni->ni_inact; 110 nr->nr_txrate = ni->ni_txrate; 111 nr->nr_state = ni->ni_state; 112 113 /* RSN */ 114 nr->nr_rsnciphers = ni->ni_rsnciphers; 115 nr->nr_rsnakms = 0; 116 nr->nr_rsnprotos = 0; 117 if (ni->ni_supported_rsnprotos & IEEE80211_PROTO_RSN) 118 nr->nr_rsnprotos |= IEEE80211_WPA_PROTO_WPA2; 119 if (ni->ni_supported_rsnprotos & IEEE80211_PROTO_WPA) 120 nr->nr_rsnprotos |= IEEE80211_WPA_PROTO_WPA1; 121 if (ni->ni_supported_rsnakms & IEEE80211_AKM_8021X) 122 nr->nr_rsnakms |= IEEE80211_WPA_AKM_8021X; 123 if (ni->ni_supported_rsnakms & IEEE80211_AKM_PSK) 124 nr->nr_rsnakms |= IEEE80211_WPA_AKM_PSK; 125 if (ni->ni_supported_rsnakms & IEEE80211_AKM_SHA256_8021X) 126 nr->nr_rsnakms |= IEEE80211_WPA_AKM_SHA256_8021X; 127 if (ni->ni_supported_rsnakms & IEEE80211_AKM_SHA256_PSK) 128 nr->nr_rsnakms |= IEEE80211_WPA_AKM_SHA256_PSK; 129 130 /* Node flags */ 131 nr->nr_flags = 0; 132 if (bcmp(nr->nr_macaddr, nr->nr_bssid, IEEE80211_ADDR_LEN) == 0) 133 nr->nr_flags |= IEEE80211_NODEREQ_AP; 134 if (ni == ic->ic_bss) 135 nr->nr_flags |= IEEE80211_NODEREQ_AP_BSS; 136 137 /* HT */ 138 nr->nr_htcaps = ni->ni_htcaps; 139 memcpy(nr->nr_rxmcs, ni->ni_rxmcs, sizeof(nr->nr_rxmcs)); 140 nr->nr_max_rxrate = ni->ni_max_rxrate; 141 nr->nr_tx_mcs_set = ni->ni_tx_mcs_set; 142 if (ni->ni_flags & IEEE80211_NODE_HT) 143 nr->nr_flags |= IEEE80211_NODEREQ_HT; 144 145 /* HT / VHT */ 146 nr->nr_txmcs = ni->ni_txmcs; 147 148 /* VHT */ 149 nr->nr_vht_ss = ni->ni_vht_ss; 150 if (ni->ni_flags & IEEE80211_NODE_VHT) 151 nr->nr_flags |= IEEE80211_NODEREQ_VHT; 152 } 153 154 void 155 ieee80211_req2node(struct ieee80211com *ic, const struct ieee80211_nodereq *nr, 156 struct ieee80211_node *ni) 157 { 158 /* Node address and name information */ 159 IEEE80211_ADDR_COPY(ni->ni_macaddr, nr->nr_macaddr); 160 IEEE80211_ADDR_COPY(ni->ni_bssid, nr->nr_bssid); 161 ni->ni_esslen = nr->nr_nwid_len; 162 bcopy(nr->nr_nwid, ni->ni_essid, IEEE80211_NWID_LEN); 163 164 /* Rates */ 165 ni->ni_rates.rs_nrates = nr->nr_nrates; 166 bcopy(nr->nr_rates, ni->ni_rates.rs_rates, IEEE80211_RATE_MAXSIZE); 167 168 /* Node information */ 169 ni->ni_intval = nr->nr_intval; 170 ni->ni_capinfo = nr->nr_capinfo; 171 ni->ni_erp = nr->nr_erp; 172 ni->ni_pwrsave = nr->nr_pwrsave; 173 ni->ni_associd = nr->nr_associd; 174 ni->ni_txseq = nr->nr_txseq; 175 ni->ni_rxseq = nr->nr_rxseq; 176 ni->ni_fails = nr->nr_fails; 177 ni->ni_inact = nr->nr_inact; 178 ni->ni_txrate = nr->nr_txrate; 179 ni->ni_state = nr->nr_state; 180 } 181 182 void 183 ieee80211_disable_wep(struct ieee80211com *ic) 184 { 185 struct ieee80211_key *k; 186 int i; 187 188 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 189 k = &ic->ic_nw_keys[i]; 190 if (k->k_cipher != IEEE80211_CIPHER_NONE) 191 (*ic->ic_delete_key)(ic, NULL, k); 192 explicit_bzero(k, sizeof(*k)); 193 } 194 ic->ic_flags &= ~IEEE80211_F_WEPON; 195 } 196 197 void 198 ieee80211_disable_rsn(struct ieee80211com *ic) 199 { 200 ic->ic_flags &= ~(IEEE80211_F_PSK | IEEE80211_F_RSNON); 201 explicit_bzero(ic->ic_psk, sizeof(ic->ic_psk)); 202 ic->ic_rsnprotos = 0; 203 ic->ic_rsnakms = 0; 204 ic->ic_rsngroupcipher = 0; 205 ic->ic_rsnciphers = 0; 206 } 207 208 /* Keep in sync with ieee80211_node.c:ieee80211_ess_setnwkeys() */ 209 static int 210 ieee80211_ioctl_setnwkeys(struct ieee80211com *ic, 211 const struct ieee80211_nwkey *nwkey) 212 { 213 struct ieee80211_key *k; 214 int error, i; 215 216 if (!(ic->ic_caps & IEEE80211_C_WEP)) 217 return ENODEV; 218 219 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 220 if (!(ic->ic_flags & IEEE80211_F_WEPON)) 221 return 0; 222 ic->ic_flags &= ~IEEE80211_F_WEPON; 223 return ENETRESET; 224 } 225 if (nwkey->i_defkid < 1 || nwkey->i_defkid > IEEE80211_WEP_NKID) 226 return EINVAL; 227 228 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 229 if (nwkey->i_key[i].i_keylen == 0 || 230 nwkey->i_key[i].i_keydat == NULL) 231 continue; /* entry not set */ 232 if (nwkey->i_key[i].i_keylen > IEEE80211_KEYBUF_SIZE) 233 return EINVAL; 234 235 /* map wep key to ieee80211_key */ 236 k = &ic->ic_nw_keys[i]; 237 if (k->k_cipher != IEEE80211_CIPHER_NONE) 238 (*ic->ic_delete_key)(ic, NULL, k); 239 memset(k, 0, sizeof(*k)); 240 if (nwkey->i_key[i].i_keylen <= 5) 241 k->k_cipher = IEEE80211_CIPHER_WEP40; 242 else 243 k->k_cipher = IEEE80211_CIPHER_WEP104; 244 k->k_len = ieee80211_cipher_keylen(k->k_cipher); 245 k->k_flags = IEEE80211_KEY_GROUP | IEEE80211_KEY_TX; 246 error = copyin(nwkey->i_key[i].i_keydat, k->k_key, k->k_len); 247 if (error != 0) 248 return error; 249 if ((error = (*ic->ic_set_key)(ic, NULL, k)) != 0) 250 return error; 251 } 252 253 ic->ic_def_txkey = nwkey->i_defkid - 1; 254 ic->ic_flags |= IEEE80211_F_WEPON; 255 if (ic->ic_flags & IEEE80211_F_RSNON) 256 ieee80211_disable_rsn(ic); 257 258 return ENETRESET; 259 } 260 261 static int 262 ieee80211_ioctl_getnwkeys(struct ieee80211com *ic, 263 struct ieee80211_nwkey *nwkey) 264 { 265 int i; 266 267 if (ic->ic_flags & IEEE80211_F_WEPON) 268 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 269 else 270 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 271 272 nwkey->i_defkid = ic->ic_wep_txkey + 1; 273 274 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 275 if (nwkey->i_key[i].i_keydat == NULL) 276 continue; 277 /* do not show any keys to userland */ 278 return EPERM; 279 } 280 return 0; 281 } 282 283 /* Keep in sync with ieee80211_node.c:ieee80211_ess_setwpaparms() */ 284 static int 285 ieee80211_ioctl_setwpaparms(struct ieee80211com *ic, 286 const struct ieee80211_wpaparams *wpa) 287 { 288 if (!(ic->ic_caps & IEEE80211_C_RSN)) 289 return ENODEV; 290 291 if (!wpa->i_enabled) { 292 if (!(ic->ic_flags & IEEE80211_F_RSNON)) 293 return 0; 294 ic->ic_flags &= ~IEEE80211_F_RSNON; 295 ic->ic_rsnprotos = 0; 296 ic->ic_rsnakms = 0; 297 ic->ic_rsngroupcipher = 0; 298 ic->ic_rsnciphers = 0; 299 return ENETRESET; 300 } 301 302 ic->ic_rsnprotos = 0; 303 if (wpa->i_protos & IEEE80211_WPA_PROTO_WPA1) 304 ic->ic_rsnprotos |= IEEE80211_PROTO_WPA; 305 if (wpa->i_protos & IEEE80211_WPA_PROTO_WPA2) 306 ic->ic_rsnprotos |= IEEE80211_PROTO_RSN; 307 if (ic->ic_rsnprotos == 0) /* set to default (RSN) */ 308 ic->ic_rsnprotos = IEEE80211_PROTO_RSN; 309 310 ic->ic_rsnakms = 0; 311 if (wpa->i_akms & IEEE80211_WPA_AKM_PSK) 312 ic->ic_rsnakms |= IEEE80211_AKM_PSK; 313 if (wpa->i_akms & IEEE80211_WPA_AKM_SHA256_PSK) 314 ic->ic_rsnakms |= IEEE80211_AKM_SHA256_PSK; 315 if (wpa->i_akms & IEEE80211_WPA_AKM_8021X) 316 ic->ic_rsnakms |= IEEE80211_AKM_8021X; 317 if (wpa->i_akms & IEEE80211_WPA_AKM_SHA256_8021X) 318 ic->ic_rsnakms |= IEEE80211_AKM_SHA256_8021X; 319 if (ic->ic_rsnakms == 0) /* set to default (PSK) */ 320 ic->ic_rsnakms = IEEE80211_AKM_PSK; 321 322 if (wpa->i_groupcipher == IEEE80211_WPA_CIPHER_WEP40) 323 ic->ic_rsngroupcipher = IEEE80211_CIPHER_WEP40; 324 else if (wpa->i_groupcipher == IEEE80211_WPA_CIPHER_TKIP) 325 ic->ic_rsngroupcipher = IEEE80211_CIPHER_TKIP; 326 else if (wpa->i_groupcipher == IEEE80211_WPA_CIPHER_CCMP) 327 ic->ic_rsngroupcipher = IEEE80211_CIPHER_CCMP; 328 else if (wpa->i_groupcipher == IEEE80211_WPA_CIPHER_WEP104) 329 ic->ic_rsngroupcipher = IEEE80211_CIPHER_WEP104; 330 else { /* set to default */ 331 if (ic->ic_rsnprotos & IEEE80211_PROTO_WPA) 332 ic->ic_rsngroupcipher = IEEE80211_CIPHER_TKIP; 333 else 334 ic->ic_rsngroupcipher = IEEE80211_CIPHER_CCMP; 335 } 336 337 ic->ic_rsnciphers = 0; 338 if (wpa->i_ciphers & IEEE80211_WPA_CIPHER_TKIP) 339 ic->ic_rsnciphers |= IEEE80211_CIPHER_TKIP; 340 if (wpa->i_ciphers & IEEE80211_WPA_CIPHER_CCMP) 341 ic->ic_rsnciphers |= IEEE80211_CIPHER_CCMP; 342 if (wpa->i_ciphers & IEEE80211_WPA_CIPHER_USEGROUP) 343 ic->ic_rsnciphers = IEEE80211_CIPHER_USEGROUP; 344 if (ic->ic_rsnciphers == 0) { /* set to default (CCMP, TKIP if WPA1) */ 345 ic->ic_rsnciphers = IEEE80211_CIPHER_CCMP; 346 if (ic->ic_rsnprotos & IEEE80211_PROTO_WPA) 347 ic->ic_rsnciphers |= IEEE80211_CIPHER_TKIP; 348 } 349 350 ic->ic_flags |= IEEE80211_F_RSNON; 351 352 return ENETRESET; 353 } 354 355 static int 356 ieee80211_ioctl_getwpaparms(struct ieee80211com *ic, 357 struct ieee80211_wpaparams *wpa) 358 { 359 wpa->i_enabled = (ic->ic_flags & IEEE80211_F_RSNON) ? 1 : 0; 360 361 wpa->i_protos = 0; 362 if (ic->ic_rsnprotos & IEEE80211_PROTO_WPA) 363 wpa->i_protos |= IEEE80211_WPA_PROTO_WPA1; 364 if (ic->ic_rsnprotos & IEEE80211_PROTO_RSN) 365 wpa->i_protos |= IEEE80211_WPA_PROTO_WPA2; 366 367 wpa->i_akms = 0; 368 if (ic->ic_rsnakms & IEEE80211_AKM_PSK) 369 wpa->i_akms |= IEEE80211_WPA_AKM_PSK; 370 if (ic->ic_rsnakms & IEEE80211_AKM_SHA256_PSK) 371 wpa->i_akms |= IEEE80211_WPA_AKM_SHA256_PSK; 372 if (ic->ic_rsnakms & IEEE80211_AKM_8021X) 373 wpa->i_akms |= IEEE80211_WPA_AKM_8021X; 374 if (ic->ic_rsnakms & IEEE80211_AKM_SHA256_8021X) 375 wpa->i_akms |= IEEE80211_WPA_AKM_SHA256_8021X; 376 377 if (ic->ic_rsngroupcipher == IEEE80211_CIPHER_WEP40) 378 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_WEP40; 379 else if (ic->ic_rsngroupcipher == IEEE80211_CIPHER_TKIP) 380 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_TKIP; 381 else if (ic->ic_rsngroupcipher == IEEE80211_CIPHER_CCMP) 382 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_CCMP; 383 else if (ic->ic_rsngroupcipher == IEEE80211_CIPHER_WEP104) 384 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_WEP104; 385 else 386 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_NONE; 387 388 wpa->i_ciphers = 0; 389 if (ic->ic_rsnciphers & IEEE80211_CIPHER_TKIP) 390 wpa->i_ciphers |= IEEE80211_WPA_CIPHER_TKIP; 391 if (ic->ic_rsnciphers & IEEE80211_CIPHER_CCMP) 392 wpa->i_ciphers |= IEEE80211_WPA_CIPHER_CCMP; 393 if (ic->ic_rsnciphers & IEEE80211_CIPHER_USEGROUP) 394 wpa->i_ciphers = IEEE80211_WPA_CIPHER_USEGROUP; 395 396 return 0; 397 } 398 399 static void 400 ieee80211_ess_getwpaparms(struct ieee80211_ess *ess, 401 struct ieee80211_wpaparams *wpa) 402 { 403 wpa->i_enabled = (ess->flags & IEEE80211_F_RSNON) ? 1 : 0; 404 405 wpa->i_protos = 0; 406 if (ess->rsnprotos & IEEE80211_PROTO_WPA) 407 wpa->i_protos |= IEEE80211_WPA_PROTO_WPA1; 408 if (ess->rsnprotos & IEEE80211_PROTO_RSN) 409 wpa->i_protos |= IEEE80211_WPA_PROTO_WPA2; 410 411 wpa->i_akms = 0; 412 if (ess->rsnakms & IEEE80211_AKM_PSK) 413 wpa->i_akms |= IEEE80211_WPA_AKM_PSK; 414 if (ess->rsnakms & IEEE80211_AKM_SHA256_PSK) 415 wpa->i_akms |= IEEE80211_WPA_AKM_SHA256_PSK; 416 if (ess->rsnakms & IEEE80211_AKM_8021X) 417 wpa->i_akms |= IEEE80211_WPA_AKM_8021X; 418 if (ess->rsnakms & IEEE80211_AKM_SHA256_8021X) 419 wpa->i_akms |= IEEE80211_WPA_AKM_SHA256_8021X; 420 421 if (ess->rsngroupcipher == IEEE80211_CIPHER_WEP40) 422 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_WEP40; 423 else if (ess->rsngroupcipher == IEEE80211_CIPHER_TKIP) 424 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_TKIP; 425 else if (ess->rsngroupcipher == IEEE80211_CIPHER_CCMP) 426 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_CCMP; 427 else if (ess->rsngroupcipher == IEEE80211_CIPHER_WEP104) 428 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_WEP104; 429 else 430 wpa->i_groupcipher = IEEE80211_WPA_CIPHER_NONE; 431 432 wpa->i_ciphers = 0; 433 if (ess->rsnciphers & IEEE80211_CIPHER_TKIP) 434 wpa->i_ciphers |= IEEE80211_WPA_CIPHER_TKIP; 435 if (ess->rsnciphers & IEEE80211_CIPHER_CCMP) 436 wpa->i_ciphers |= IEEE80211_WPA_CIPHER_CCMP; 437 if (ess->rsnciphers & IEEE80211_CIPHER_USEGROUP) 438 wpa->i_ciphers = IEEE80211_WPA_CIPHER_USEGROUP; 439 } 440 441 int 442 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 443 { 444 struct ieee80211com *ic = (void *)ifp; 445 struct ifreq *ifr = (struct ifreq *)data; 446 int i, error = 0; 447 size_t len; 448 struct ieee80211_nwid nwid; 449 struct ieee80211_join join; 450 struct ieee80211_joinreq_all *ja; 451 struct ieee80211_ess *ess; 452 struct ieee80211_wpapsk *psk; 453 struct ieee80211_keyavail *ka; 454 struct ieee80211_keyrun *kr; 455 struct ieee80211_power *power; 456 struct ieee80211_bssid *bssid; 457 struct ieee80211chanreq *chanreq; 458 struct ieee80211_channel *chan; 459 struct ieee80211_txpower *txpower; 460 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 461 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 462 }; 463 struct ieee80211_nodereq *nr, nrbuf; 464 struct ieee80211_nodereq_all *na; 465 struct ieee80211_node *ni; 466 u_int32_t flags; 467 468 switch (cmd) { 469 case SIOCSIFMEDIA: 470 case SIOCGIFMEDIA: 471 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 472 break; 473 case SIOCS80211NWID: 474 if ((error = suser(curproc)) != 0) 475 break; 476 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 477 break; 478 if (nwid.i_len > IEEE80211_NWID_LEN) { 479 error = EINVAL; 480 break; 481 } 482 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 483 ic->ic_des_esslen = nwid.i_len; 484 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 485 if (ic->ic_des_esslen > 0) { 486 /* 'nwid' disables auto-join magic */ 487 ic->ic_flags &= ~IEEE80211_F_AUTO_JOIN; 488 } else if (!TAILQ_EMPTY(&ic->ic_ess)) { 489 /* '-nwid' re-enables auto-join */ 490 ic->ic_flags |= IEEE80211_F_AUTO_JOIN; 491 } 492 /* disable WPA/WEP */ 493 ieee80211_disable_rsn(ic); 494 ieee80211_disable_wep(ic); 495 error = ENETRESET; 496 break; 497 case SIOCG80211NWID: 498 memset(&nwid, 0, sizeof(nwid)); 499 switch (ic->ic_state) { 500 case IEEE80211_S_INIT: 501 case IEEE80211_S_SCAN: 502 nwid.i_len = ic->ic_des_esslen; 503 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 504 break; 505 default: 506 nwid.i_len = ic->ic_bss->ni_esslen; 507 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 508 break; 509 } 510 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 511 break; 512 case SIOCS80211JOIN: 513 if ((error = suser(curproc)) != 0) 514 break; 515 if (ic->ic_opmode != IEEE80211_M_STA) 516 break; 517 if ((error = copyin(ifr->ifr_data, &join, sizeof(join))) != 0) 518 break; 519 if (join.i_len > IEEE80211_NWID_LEN) { 520 error = EINVAL; 521 break; 522 } 523 if (join.i_flags & IEEE80211_JOIN_DEL) { 524 int update_ic = 0; 525 if (ic->ic_des_esslen == join.i_len && 526 memcmp(join.i_nwid, ic->ic_des_essid, 527 join.i_len) == 0) 528 update_ic = 1; 529 if (join.i_flags & IEEE80211_JOIN_DEL_ALL && 530 ieee80211_get_ess(ic, ic->ic_des_essid, 531 ic->ic_des_esslen) != NULL) 532 update_ic = 1; 533 ieee80211_del_ess(ic, join.i_nwid, join.i_len, 534 join.i_flags & IEEE80211_JOIN_DEL_ALL ? 1 : 0); 535 if (update_ic == 1) { 536 /* Unconfigure this essid */ 537 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 538 ic->ic_des_esslen = 0; 539 /* disable WPA/WEP */ 540 ieee80211_disable_rsn(ic); 541 ieee80211_disable_wep(ic); 542 error = ENETRESET; 543 } 544 } else { 545 if (ic->ic_des_esslen == join.i_len && 546 memcmp(join.i_nwid, ic->ic_des_essid, 547 join.i_len) == 0) { 548 struct ieee80211_node *ni; 549 550 ieee80211_deselect_ess(ic); 551 ni = ieee80211_find_node(ic, 552 ic->ic_bss->ni_bssid); 553 if (ni != NULL) 554 ieee80211_free_node(ic, ni); 555 error = ENETRESET; 556 } 557 /* save nwid for auto-join */ 558 if (ieee80211_add_ess(ic, &join) == 0) 559 ic->ic_flags |= IEEE80211_F_AUTO_JOIN; 560 } 561 break; 562 case SIOCG80211JOIN: 563 memset(&join, 0, sizeof(join)); 564 error = ENOENT; 565 if (ic->ic_bss == NULL) 566 break; 567 TAILQ_FOREACH(ess, &ic->ic_ess, ess_next) { 568 if (memcmp(ess->essid, ic->ic_bss->ni_essid, 569 IEEE80211_NWID_LEN) == 0) { 570 join.i_len = ic->ic_bss->ni_esslen; 571 memcpy(join.i_nwid, ic->ic_bss->ni_essid, 572 join.i_len); 573 if (ic->ic_flags & IEEE80211_F_AUTO_JOIN) 574 join.i_flags = IEEE80211_JOIN_FOUND; 575 error = copyout(&join, ifr->ifr_data, 576 sizeof(join)); 577 break; 578 } 579 } 580 break; 581 case SIOCG80211JOINALL: 582 ja = (struct ieee80211_joinreq_all *)data; 583 ja->ja_nodes = len = 0; 584 TAILQ_FOREACH(ess, &ic->ic_ess, ess_next) { 585 if (len + sizeof(ja->ja_node[0]) >= ja->ja_size) { 586 error = E2BIG; 587 break; 588 } 589 memset(&join, 0, sizeof(join)); 590 join.i_len = ess->esslen; 591 memcpy(&join.i_nwid, ess->essid, join.i_len); 592 if (ess->flags & IEEE80211_F_RSNON) 593 join.i_flags |= IEEE80211_JOIN_WPA; 594 if (ess->flags & IEEE80211_F_PSK) 595 join.i_flags |= IEEE80211_JOIN_WPAPSK; 596 if (ess->flags & IEEE80211_JOIN_8021X) 597 join.i_flags |= IEEE80211_JOIN_8021X; 598 if (ess->flags & IEEE80211_F_WEPON) 599 join.i_flags |= IEEE80211_JOIN_NWKEY; 600 if (ess->flags & IEEE80211_JOIN_ANY) 601 join.i_flags |= IEEE80211_JOIN_ANY; 602 ieee80211_ess_getwpaparms(ess, &join.i_wpaparams); 603 error = copyout(&join, &ja->ja_node[ja->ja_nodes], 604 sizeof(ja->ja_node[0])); 605 if (error) 606 break; 607 len += sizeof(join); 608 ja->ja_nodes++; 609 } 610 break; 611 case SIOCS80211NWKEY: 612 if ((error = suser(curproc)) != 0) 613 break; 614 error = ieee80211_ioctl_setnwkeys(ic, (void *)data); 615 break; 616 case SIOCG80211NWKEY: 617 error = ieee80211_ioctl_getnwkeys(ic, (void *)data); 618 break; 619 case SIOCS80211WPAPARMS: 620 if ((error = suser(curproc)) != 0) 621 break; 622 error = ieee80211_ioctl_setwpaparms(ic, (void *)data); 623 break; 624 case SIOCG80211WPAPARMS: 625 error = ieee80211_ioctl_getwpaparms(ic, (void *)data); 626 break; 627 case SIOCS80211WPAPSK: 628 if ((error = suser(curproc)) != 0) 629 break; 630 psk = (struct ieee80211_wpapsk *)data; 631 if (psk->i_enabled) { 632 ic->ic_flags |= IEEE80211_F_PSK; 633 memcpy(ic->ic_psk, psk->i_psk, sizeof(ic->ic_psk)); 634 if (ic->ic_flags & IEEE80211_F_WEPON) 635 ieee80211_disable_wep(ic); 636 } else { 637 ic->ic_flags &= ~IEEE80211_F_PSK; 638 memset(ic->ic_psk, 0, sizeof(ic->ic_psk)); 639 } 640 error = ENETRESET; 641 break; 642 case SIOCG80211WPAPSK: 643 psk = (struct ieee80211_wpapsk *)data; 644 if (ic->ic_flags & IEEE80211_F_PSK) { 645 /* do not show any keys to userland */ 646 psk->i_enabled = 2; 647 memset(psk->i_psk, 0, sizeof(psk->i_psk)); 648 break; /* return ok but w/o key */ 649 } else 650 psk->i_enabled = 0; 651 break; 652 case SIOCS80211KEYAVAIL: 653 if ((error = suser(curproc)) != 0) 654 break; 655 ka = (struct ieee80211_keyavail *)data; 656 (void)ieee80211_pmksa_add(ic, IEEE80211_AKM_8021X, 657 ka->i_macaddr, ka->i_key, ka->i_lifetime); 658 break; 659 case SIOCS80211KEYRUN: 660 if ((error = suser(curproc)) != 0) 661 break; 662 kr = (struct ieee80211_keyrun *)data; 663 error = ieee80211_keyrun(ic, kr->i_macaddr); 664 if (error == 0 && (ic->ic_flags & IEEE80211_F_WEPON)) 665 ieee80211_disable_wep(ic); 666 break; 667 case SIOCS80211POWER: 668 if ((error = suser(curproc)) != 0) 669 break; 670 power = (struct ieee80211_power *)data; 671 ic->ic_lintval = power->i_maxsleep; 672 if (power->i_enabled != 0) { 673 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 674 error = EINVAL; 675 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 676 ic->ic_flags |= IEEE80211_F_PMGTON; 677 error = ENETRESET; 678 } 679 } else { 680 if (ic->ic_flags & IEEE80211_F_PMGTON) { 681 ic->ic_flags &= ~IEEE80211_F_PMGTON; 682 error = ENETRESET; 683 } 684 } 685 break; 686 case SIOCG80211POWER: 687 power = (struct ieee80211_power *)data; 688 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 689 power->i_maxsleep = ic->ic_lintval; 690 break; 691 case SIOCS80211BSSID: 692 if ((error = suser(curproc)) != 0) 693 break; 694 bssid = (struct ieee80211_bssid *)data; 695 if (IEEE80211_ADDR_EQ(bssid->i_bssid, empty_macaddr)) 696 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 697 else { 698 ic->ic_flags |= IEEE80211_F_DESBSSID; 699 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 700 } 701 #ifndef IEEE80211_STA_ONLY 702 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 703 break; 704 #endif 705 switch (ic->ic_state) { 706 case IEEE80211_S_INIT: 707 case IEEE80211_S_SCAN: 708 error = ENETRESET; 709 break; 710 default: 711 if ((ic->ic_flags & IEEE80211_F_DESBSSID) && 712 !IEEE80211_ADDR_EQ(ic->ic_des_bssid, 713 ic->ic_bss->ni_bssid)) 714 error = ENETRESET; 715 break; 716 } 717 break; 718 case SIOCG80211BSSID: 719 bssid = (struct ieee80211_bssid *)data; 720 switch (ic->ic_state) { 721 case IEEE80211_S_INIT: 722 case IEEE80211_S_SCAN: 723 #ifndef IEEE80211_STA_ONLY 724 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 725 IEEE80211_ADDR_COPY(bssid->i_bssid, 726 ic->ic_myaddr); 727 else 728 #endif 729 if (ic->ic_flags & IEEE80211_F_DESBSSID) 730 IEEE80211_ADDR_COPY(bssid->i_bssid, 731 ic->ic_des_bssid); 732 else 733 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 734 break; 735 default: 736 IEEE80211_ADDR_COPY(bssid->i_bssid, 737 ic->ic_bss->ni_bssid); 738 break; 739 } 740 break; 741 case SIOCS80211CHANNEL: 742 if ((error = suser(curproc)) != 0) 743 break; 744 chanreq = (struct ieee80211chanreq *)data; 745 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 746 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 747 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 748 isclr(ic->ic_chan_active, chanreq->i_channel)) { 749 error = EINVAL; 750 break; 751 } else 752 ic->ic_ibss_chan = ic->ic_des_chan = 753 &ic->ic_channels[chanreq->i_channel]; 754 switch (ic->ic_state) { 755 case IEEE80211_S_INIT: 756 case IEEE80211_S_SCAN: 757 error = ENETRESET; 758 break; 759 default: 760 if (ic->ic_opmode == IEEE80211_M_STA) { 761 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 762 ic->ic_bss->ni_chan != ic->ic_des_chan) 763 error = ENETRESET; 764 } else { 765 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 766 error = ENETRESET; 767 } 768 break; 769 } 770 break; 771 case SIOCG80211CHANNEL: 772 chanreq = (struct ieee80211chanreq *)data; 773 switch (ic->ic_state) { 774 case IEEE80211_S_INIT: 775 case IEEE80211_S_SCAN: 776 if (ic->ic_opmode == IEEE80211_M_STA) 777 chan = ic->ic_des_chan; 778 else 779 chan = ic->ic_ibss_chan; 780 break; 781 default: 782 chan = ic->ic_bss->ni_chan; 783 break; 784 } 785 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 786 break; 787 case SIOCG80211ALLCHANS: 788 error = copyout(ic->ic_channels, 789 ((struct ieee80211_chanreq_all *)data)->i_chans, 790 sizeof(ic->ic_channels)); 791 break; 792 #if 0 793 case SIOCG80211ZSTATS: 794 #endif 795 case SIOCG80211STATS: 796 ifr = (struct ifreq *)data; 797 error = copyout(&ic->ic_stats, ifr->ifr_data, 798 sizeof(ic->ic_stats)); 799 #if 0 800 if (cmd == SIOCG80211ZSTATS) 801 memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 802 #endif 803 break; 804 case SIOCS80211TXPOWER: 805 if ((error = suser(curproc)) != 0) 806 break; 807 txpower = (struct ieee80211_txpower *)data; 808 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) { 809 error = EINVAL; 810 break; 811 } 812 if (!(IEEE80211_TXPOWER_MIN <= txpower->i_val && 813 txpower->i_val <= IEEE80211_TXPOWER_MAX)) { 814 error = EINVAL; 815 break; 816 } 817 ic->ic_txpower = txpower->i_val; 818 error = ENETRESET; 819 break; 820 case SIOCG80211TXPOWER: 821 txpower = (struct ieee80211_txpower *)data; 822 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 823 error = EINVAL; 824 else 825 txpower->i_val = ic->ic_txpower; 826 break; 827 case SIOCSIFMTU: 828 ifr = (struct ifreq *)data; 829 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 830 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 831 error = EINVAL; 832 else 833 ifp->if_mtu = ifr->ifr_mtu; 834 break; 835 case SIOCS80211SCAN: 836 /* Disabled. SIOCG80211ALLNODES is enough. */ 837 break; 838 case SIOCG80211NODE: 839 nr = (struct ieee80211_nodereq *)data; 840 if (ic->ic_bss && 841 IEEE80211_ADDR_EQ(nr->nr_macaddr, ic->ic_bss->ni_macaddr)) 842 ni = ic->ic_bss; 843 else 844 ni = ieee80211_find_node(ic, nr->nr_macaddr); 845 if (ni == NULL) { 846 error = ENOENT; 847 break; 848 } 849 ieee80211_node2req(ic, ni, nr); 850 break; 851 case SIOCS80211NODE: 852 if ((error = suser(curproc)) != 0) 853 break; 854 #ifndef IEEE80211_STA_ONLY 855 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 856 error = EINVAL; 857 break; 858 } 859 #endif 860 nr = (struct ieee80211_nodereq *)data; 861 862 ni = ieee80211_find_node(ic, nr->nr_macaddr); 863 if (ni == NULL) 864 ni = ieee80211_alloc_node(ic, nr->nr_macaddr); 865 if (ni == NULL) { 866 error = ENOENT; 867 break; 868 } 869 870 if (nr->nr_flags & IEEE80211_NODEREQ_COPY) 871 ieee80211_req2node(ic, nr, ni); 872 break; 873 #ifndef IEEE80211_STA_ONLY 874 case SIOCS80211DELNODE: 875 if ((error = suser(curproc)) != 0) 876 break; 877 nr = (struct ieee80211_nodereq *)data; 878 ni = ieee80211_find_node(ic, nr->nr_macaddr); 879 if (ni == NULL) 880 error = ENOENT; 881 else if (ni == ic->ic_bss) 882 error = EPERM; 883 else { 884 if (ni->ni_state == IEEE80211_STA_COLLECT) 885 break; 886 887 /* Disassociate station. */ 888 if (ni->ni_state == IEEE80211_STA_ASSOC) 889 IEEE80211_SEND_MGMT(ic, ni, 890 IEEE80211_FC0_SUBTYPE_DISASSOC, 891 IEEE80211_REASON_ASSOC_LEAVE); 892 893 /* Deauth station. */ 894 if (ni->ni_state >= IEEE80211_STA_AUTH) 895 IEEE80211_SEND_MGMT(ic, ni, 896 IEEE80211_FC0_SUBTYPE_DEAUTH, 897 IEEE80211_REASON_AUTH_LEAVE); 898 899 ieee80211_node_leave(ic, ni); 900 } 901 break; 902 #endif 903 case SIOCG80211ALLNODES: 904 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) != 905 (IFF_UP | IFF_RUNNING)) { 906 error = ENETDOWN; 907 break; 908 } 909 910 na = (struct ieee80211_nodereq_all *)data; 911 na->na_nodes = i = 0; 912 ni = RBT_MIN(ieee80211_tree, &ic->ic_tree); 913 while (ni && na->na_size >= 914 i + sizeof(struct ieee80211_nodereq)) { 915 ieee80211_node2req(ic, ni, &nrbuf); 916 error = copyout(&nrbuf, (caddr_t)na->na_node + i, 917 sizeof(struct ieee80211_nodereq)); 918 if (error) 919 break; 920 i += sizeof(struct ieee80211_nodereq); 921 na->na_nodes++; 922 ni = RBT_NEXT(ieee80211_tree, ni); 923 } 924 if (suser(curproc) == 0) 925 ieee80211_begin_bgscan(ifp); 926 break; 927 case SIOCG80211FLAGS: 928 flags = ic->ic_userflags; 929 #ifndef IEEE80211_STA_ONLY 930 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 931 #endif 932 flags &= ~IEEE80211_F_HOSTAPMASK; 933 ifr->ifr_flags = flags; 934 break; 935 case SIOCS80211FLAGS: 936 if ((error = suser(curproc)) != 0) 937 break; 938 flags = ifr->ifr_flags; 939 if ( 940 #ifndef IEEE80211_STA_ONLY 941 ic->ic_opmode != IEEE80211_M_HOSTAP && 942 #endif 943 (flags & IEEE80211_F_HOSTAPMASK)) { 944 error = EINVAL; 945 break; 946 } 947 ic->ic_userflags = flags; 948 error = ENETRESET; 949 break; 950 case SIOCADDMULTI: 951 case SIOCDELMULTI: 952 error = (cmd == SIOCADDMULTI) ? 953 ether_addmulti(ifr, &ic->ic_ac) : 954 ether_delmulti(ifr, &ic->ic_ac); 955 if (error == ENETRESET) 956 error = 0; 957 break; 958 default: 959 error = ether_ioctl(ifp, &ic->ic_ac, cmd, data); 960 } 961 962 return error; 963 } 964