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sys/net80211/ieee80211_ioctl.c
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1 /* $NetBSD: ieee80211_ioctl.c,v 1.69 2021/09/21 15:00:34 christos Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #ifdef __FreeBSD__ 36 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.35 2005/08/30 14:27:47 avatar Exp $"); 37 #endif 38 #ifdef __NetBSD__ 39 __KERNEL_RCSID(0, "$NetBSD: ieee80211_ioctl.c,v 1.69 2021/09/21 15:00:34 christos Exp $"); 40 #endif 41 42 /* 43 * IEEE 802.11 ioctl support (FreeBSD-specific) 44 */ 45 46 #ifdef _KERNEL_OPT 47 #include "opt_inet.h" 48 #include "opt_compat_netbsd.h" 49 #endif 50 51 #include <sys/endian.h> 52 #include <sys/param.h> 53 #include <sys/kernel.h> 54 #include <sys/socket.h> 55 #include <sys/sockio.h> 56 #include <sys/systm.h> 57 #include <sys/proc.h> 58 #include <sys/kauth.h> 59 #include <sys/module.h> 60 #include <sys/compat_stub.h> 61 62 #include <net/if.h> 63 #include <net/if_arp.h> 64 #include <net/if_media.h> 65 #include <net/if_ether.h> 66 67 #ifdef INET 68 #include <netinet/in.h> 69 #include <netinet/if_inarp.h> 70 #endif 71 72 #include <net80211/ieee80211_var.h> 73 #include <net80211/ieee80211_ioctl.h> 74 75 #include <dev/ic/wi_ieee.h> 76 77 #include <compat/sys/sockio.h> 78 79 #ifdef __FreeBSD__ 80 #define IS_UP(_ic) \ 81 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 82 ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING)) 83 #endif 84 #ifdef __NetBSD__ 85 #define IS_UP(_ic) \ 86 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 87 ((_ic)->ic_ifp->if_flags & IFF_RUNNING)) 88 #endif 89 #define IS_UP_AUTO(_ic) \ 90 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 91 92 /* 93 * XXX 94 * Wireless LAN specific configuration interface, which is compatible 95 * with wicontrol(8). 96 */ 97 98 struct wi_read_ap_args { 99 int i; /* result count */ 100 struct wi_apinfo *ap; /* current entry in result buffer */ 101 void * max; /* result buffer bound */ 102 }; 103 104 static void 105 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 106 { 107 struct ieee80211com *ic = ni->ni_ic; 108 struct wi_read_ap_args *sa = arg; 109 struct wi_apinfo *ap = sa->ap; 110 struct ieee80211_rateset *rs; 111 int j; 112 113 if ((void *)(ap + 1) > sa->max) 114 return; 115 memset(ap, 0, sizeof(struct wi_apinfo)); 116 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 117 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 118 ap->namelen = ic->ic_des_esslen; 119 if (ic->ic_des_esslen) 120 memcpy(ap->name, ic->ic_des_essid, 121 ic->ic_des_esslen); 122 } else { 123 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 124 ap->namelen = ni->ni_esslen; 125 if (ni->ni_esslen) 126 memcpy(ap->name, ni->ni_essid, 127 ni->ni_esslen); 128 } 129 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 130 ap->signal = ic->ic_node_getrssi(ni); 131 ap->capinfo = ni->ni_capinfo; 132 ap->interval = ni->ni_intval; 133 rs = &ni->ni_rates; 134 for (j = 0; j < rs->rs_nrates; j++) { 135 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 136 ap->rate = (rs->rs_rates[j] & 137 IEEE80211_RATE_VAL) * 5; /* XXX */ 138 } 139 } 140 sa->i++; 141 sa->ap++; 142 } 143 144 struct wi_read_prism2_args { 145 int i; /* result count */ 146 struct wi_scan_res *res;/* current entry in result buffer */ 147 void * max; /* result buffer bound */ 148 }; 149 150 #if 0 151 static void 152 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 153 { 154 struct ieee80211com *ic = ni->ni_ic; 155 struct wi_read_prism2_args *sa = arg; 156 struct wi_scan_res *res = sa->res; 157 158 if ((void *)(res + 1) > sa->max) 159 return; 160 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 161 res->wi_noise = 0; 162 res->wi_signal = ic->ic_node_getrssi(ni); 163 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 164 res->wi_interval = ni->ni_intval; 165 res->wi_capinfo = ni->ni_capinfo; 166 res->wi_ssid_len = ni->ni_esslen; 167 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 168 /* NB: assumes wi_srates holds <= ni->ni_rates */ 169 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 170 sizeof(res->wi_srates)); 171 if (ni->ni_rates.rs_nrates < 10) 172 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 173 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 174 res->wi_rsvd = 0; 175 176 sa->i++; 177 sa->res++; 178 } 179 180 struct wi_read_sigcache_args { 181 int i; /* result count */ 182 struct wi_sigcache *wsc;/* current entry in result buffer */ 183 void * max; /* result buffer bound */ 184 }; 185 186 static void 187 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 188 { 189 struct ieee80211com *ic = ni->ni_ic; 190 struct wi_read_sigcache_args *sa = arg; 191 struct wi_sigcache *wsc = sa->wsc; 192 193 if ((void *)(wsc + 1) > sa->max) 194 return; 195 memset(wsc, 0, sizeof(struct wi_sigcache)); 196 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 197 wsc->signal = ic->ic_node_getrssi(ni); 198 199 sa->wsc++; 200 sa->i++; 201 } 202 #endif 203 204 int 205 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, void *data) 206 { 207 struct ifnet *ifp = ic->ic_ifp; 208 int i, j, error; 209 struct ifreq *ifr = (struct ifreq *)data; 210 struct wi_req *wreq; 211 struct wi_ltv_keys *keys; 212 213 wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); 214 error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); 215 if (error) 216 goto out; 217 wreq->wi_len = 0; 218 switch (wreq->wi_type) { 219 case WI_RID_SERIALNO: 220 case WI_RID_STA_IDENTITY: 221 /* nothing appropriate */ 222 break; 223 case WI_RID_NODENAME: 224 strlcpy((char *)&wreq->wi_val[1], hostname, 225 sizeof(wreq->wi_val) - sizeof(wreq->wi_val[0])); 226 wreq->wi_val[0] = htole16(strlen(hostname)); 227 wreq->wi_len = (1 + strlen(hostname) + 1) / 2; 228 break; 229 case WI_RID_CURRENT_SSID: 230 if (ic->ic_state != IEEE80211_S_RUN) { 231 wreq->wi_val[0] = 0; 232 wreq->wi_len = 1; 233 break; 234 } 235 wreq->wi_val[0] = htole16(ic->ic_bss->ni_esslen); 236 memcpy(&wreq->wi_val[1], ic->ic_bss->ni_essid, 237 ic->ic_bss->ni_esslen); 238 wreq->wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 239 break; 240 case WI_RID_OWN_SSID: 241 case WI_RID_DESIRED_SSID: 242 wreq->wi_val[0] = htole16(ic->ic_des_esslen); 243 memcpy(&wreq->wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 244 wreq->wi_len = (1 + ic->ic_des_esslen + 1) / 2; 245 break; 246 case WI_RID_CURRENT_BSSID: 247 if (ic->ic_state == IEEE80211_S_RUN) 248 IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_bss->ni_bssid); 249 else 250 memset(wreq->wi_val, 0, IEEE80211_ADDR_LEN); 251 wreq->wi_len = IEEE80211_ADDR_LEN / 2; 252 break; 253 case WI_RID_CHANNEL_LIST: 254 memset(wreq->wi_val, 0, sizeof(wreq->wi_val)); 255 /* 256 * Since channel 0 is not available for DS, channel 1 257 * is assigned to LSB on WaveLAN. 258 */ 259 if (ic->ic_phytype == IEEE80211_T_DS) 260 i = 1; 261 else 262 i = 0; 263 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 264 if (isset(ic->ic_chan_active, i)) { 265 setbit((u_int8_t *)wreq->wi_val, j); 266 wreq->wi_len = j / 16 + 1; 267 } 268 break; 269 case WI_RID_OWN_CHNL: 270 wreq->wi_val[0] = htole16( 271 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 272 wreq->wi_len = 1; 273 break; 274 case WI_RID_CURRENT_CHAN: 275 wreq->wi_val[0] = htole16( 276 ieee80211_chan2ieee(ic, ic->ic_curchan)); 277 wreq->wi_len = 1; 278 break; 279 case WI_RID_COMMS_QUALITY: 280 wreq->wi_val[0] = 0; /* quality */ 281 wreq->wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 282 wreq->wi_val[2] = 0; /* noise */ 283 wreq->wi_len = 3; 284 break; 285 case WI_RID_PROMISC: 286 wreq->wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 287 wreq->wi_len = 1; 288 break; 289 case WI_RID_PORTTYPE: 290 wreq->wi_val[0] = htole16(ic->ic_opmode); 291 wreq->wi_len = 1; 292 break; 293 case WI_RID_MAC_NODE: 294 IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_myaddr); 295 wreq->wi_len = IEEE80211_ADDR_LEN / 2; 296 break; 297 case WI_RID_TX_RATE: 298 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 299 wreq->wi_val[0] = 0; /* auto */ 300 else 301 wreq->wi_val[0] = htole16( 302 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 303 IEEE80211_RATE_VAL) / 2); 304 wreq->wi_len = 1; 305 break; 306 case WI_RID_CUR_TX_RATE: 307 wreq->wi_val[0] = htole16( 308 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 309 IEEE80211_RATE_VAL) / 2); 310 wreq->wi_len = 1; 311 break; 312 case WI_RID_FRAG_THRESH: 313 wreq->wi_val[0] = htole16(ic->ic_fragthreshold); 314 wreq->wi_len = 1; 315 break; 316 case WI_RID_RTS_THRESH: 317 wreq->wi_val[0] = htole16(ic->ic_rtsthreshold); 318 wreq->wi_len = 1; 319 break; 320 case WI_RID_CREATE_IBSS: 321 wreq->wi_val[0] = 322 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 323 wreq->wi_len = 1; 324 break; 325 case WI_RID_MICROWAVE_OVEN: 326 wreq->wi_val[0] = 0; /* no ... not supported */ 327 wreq->wi_len = 1; 328 break; 329 case WI_RID_ROAMING_MODE: 330 wreq->wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 331 wreq->wi_len = 1; 332 break; 333 case WI_RID_SYSTEM_SCALE: 334 wreq->wi_val[0] = htole16(1); /* low density ... not supp */ 335 wreq->wi_len = 1; 336 break; 337 case WI_RID_PM_ENABLED: 338 wreq->wi_val[0] = 339 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 340 wreq->wi_len = 1; 341 break; 342 case WI_RID_MAX_SLEEP: 343 wreq->wi_val[0] = htole16(ic->ic_lintval); 344 wreq->wi_len = 1; 345 break; 346 case WI_RID_CUR_BEACON_INT: 347 wreq->wi_val[0] = htole16(ic->ic_bss->ni_intval); 348 wreq->wi_len = 1; 349 break; 350 case WI_RID_WEP_AVAIL: 351 wreq->wi_val[0] = htole16(1); /* always available */ 352 wreq->wi_len = 1; 353 break; 354 case WI_RID_CNFAUTHMODE: 355 wreq->wi_val[0] = htole16(1); /* TODO: open system only */ 356 wreq->wi_len = 1; 357 break; 358 case WI_RID_ENCRYPTION: 359 wreq->wi_val[0] = 360 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 361 wreq->wi_len = 1; 362 break; 363 case WI_RID_TX_CRYPT_KEY: 364 wreq->wi_val[0] = htole16(ic->ic_def_txkey); 365 wreq->wi_len = 1; 366 break; 367 case WI_RID_DEFLT_CRYPT_KEYS: 368 keys = (struct wi_ltv_keys *)wreq; 369 /* do not show keys to non-root user */ 370 error = kauth_authorize_network(kauth_cred_get(), 371 KAUTH_NETWORK_INTERFACE, 372 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, 373 NULL, NULL); 374 if (error) { 375 memset(keys, 0, sizeof(*keys)); 376 error = 0; 377 break; 378 } 379 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 380 keys->wi_keys[i].wi_keylen = 381 htole16(ic->ic_nw_keys[i].wk_keylen); 382 memcpy(keys->wi_keys[i].wi_keydat, 383 ic->ic_nw_keys[i].wk_key, 384 ic->ic_nw_keys[i].wk_keylen); 385 } 386 wreq->wi_len = sizeof(*keys) / 2; 387 break; 388 case WI_RID_MAX_DATALEN: 389 wreq->wi_val[0] = htole16(ic->ic_fragthreshold); 390 wreq->wi_len = 1; 391 break; 392 case WI_RID_DBM_ADJUST: 393 /* not supported, we just pass rssi value from driver. */ 394 break; 395 case WI_RID_IFACE_STATS: 396 /* XXX: should be implemented in lower drivers */ 397 break; 398 case WI_RID_READ_APS: 399 /* 400 * Don't return results until active scan completes. 401 */ 402 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 403 struct wi_read_ap_args args; 404 405 args.i = 0; 406 args.ap = (void *)((char *)wreq->wi_val + sizeof(i)); 407 args.max = (void *)(wreq + 1); 408 ieee80211_iterate_nodes(&ic->ic_scan, 409 wi_read_ap_result, &args); 410 memcpy(wreq->wi_val, &args.i, sizeof(args.i)); 411 wreq->wi_len = (sizeof(int) + 412 sizeof(struct wi_apinfo) * args.i) / 2; 413 } else 414 error = EINPROGRESS; 415 break; 416 #if 0 417 case WI_RID_SCAN_RES: /* compatibility interface */ 418 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 419 struct wi_read_prism2_args args; 420 struct wi_scan_p2_hdr *p2; 421 422 /* NB: use Prism2 format so we can include rate info */ 423 p2 = (struct wi_scan_p2_hdr *)wreq->wi_val; 424 args.i = 0; 425 args.res = (void *)&p2[1]; 426 args.max = (void *)(wreq + 1); 427 ieee80211_iterate_nodes(&ic->ic_scan, 428 wi_read_prism2_result, &args); 429 p2->wi_rsvd = 0; 430 p2->wi_reason = args.i; 431 wreq->wi_len = (sizeof(*p2) + 432 sizeof(struct wi_scan_res) * args.i) / 2; 433 } else 434 error = EINPROGRESS; 435 break; 436 case WI_RID_READ_CACHE: { 437 struct wi_read_sigcache_args args; 438 args.i = 0; 439 args.wsc = (struct wi_sigcache *) wreq->wi_val; 440 args.max = (void *)(wreq + 1); 441 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 442 wreq->wi_len = sizeof(struct wi_sigcache) * args.i / 2; 443 break; 444 } 445 #endif 446 default: 447 error = EINVAL; 448 break; 449 } 450 if (error == 0) { 451 wreq->wi_len++; 452 error = copyout(wreq, ifr->ifr_data, sizeof(*wreq)); 453 } 454 out: 455 free(wreq, M_TEMP); 456 return error; 457 } 458 459 static int 460 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 461 { 462 #define IEEERATE(_ic,_m,_i) \ 463 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 464 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 465 for (i = 0; i < nrates; i++) 466 if (IEEERATE(ic, mode, i) == rate) 467 return i; 468 return -1; 469 #undef IEEERATE 470 } 471 472 /* 473 * Prepare to do a user-initiated scan for AP's. If no 474 * current/default channel is setup or the current channel 475 * is invalid then pick the first available channel from 476 * the active list as the place to start the scan. 477 */ 478 static int 479 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 480 { 481 482 /* 483 * XXX don't permit a scan to be started unless we 484 * know the device is ready. For the moment this means 485 * the device is marked up as this is the required to 486 * initialize the hardware. It would be better to permit 487 * scanning prior to being up but that'll require some 488 * changes to the infrastructure. 489 */ 490 if (!IS_UP(ic)) 491 return EINVAL; 492 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 493 /* 494 * We force the state to INIT before calling ieee80211_new_state 495 * to get ieee80211_begin_scan called. We really want to scan w/o 496 * altering the current state but that's not possible right now. 497 */ 498 /* XXX handle proberequest case */ 499 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 500 return 0; 501 } 502 503 int 504 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, void *data) 505 { 506 struct ifnet *ifp = ic->ic_ifp; 507 int i, j, len, error, rate; 508 struct ifreq *ifr = (struct ifreq *)data; 509 struct wi_ltv_keys *keys; 510 struct wi_req *wreq; 511 u_int8_t chanlist[IEEE80211_CHAN_BYTES]; 512 513 wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); 514 error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); 515 if (error) 516 goto out; 517 len = wreq->wi_len ? (wreq->wi_len - 1) * 2 : 0; 518 switch (wreq->wi_type) { 519 case WI_RID_SERIALNO: 520 case WI_RID_NODENAME: 521 case WI_RID_CURRENT_SSID: 522 error = EPERM; 523 goto out; 524 case WI_RID_OWN_SSID: 525 case WI_RID_DESIRED_SSID: 526 if (le16toh(wreq->wi_val[0]) * 2 > len || 527 le16toh(wreq->wi_val[0]) > IEEE80211_NWID_LEN) { 528 error = ENOSPC; 529 break; 530 } 531 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 532 ic->ic_des_esslen = le16toh(wreq->wi_val[0]) * 2; 533 memcpy(ic->ic_des_essid, &wreq->wi_val[1], ic->ic_des_esslen); 534 error = ENETRESET; 535 break; 536 case WI_RID_CURRENT_BSSID: 537 error = EPERM; 538 goto out; 539 case WI_RID_OWN_CHNL: 540 if (len != 2) 541 goto invalid; 542 i = le16toh(wreq->wi_val[0]); 543 if (i < 0 || 544 i > IEEE80211_CHAN_MAX || 545 isclr(ic->ic_chan_active, i)) 546 goto invalid; 547 ic->ic_ibss_chan = &ic->ic_channels[i]; 548 if (ic->ic_opmode == IEEE80211_M_MONITOR) 549 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 550 else 551 error = ENETRESET; 552 break; 553 case WI_RID_CURRENT_CHAN: 554 case WI_RID_COMMS_QUALITY: 555 error = EPERM; 556 goto out; 557 case WI_RID_PROMISC: 558 if (len != 2) 559 goto invalid; 560 if (ifp->if_flags & IFF_PROMISC) { 561 if (wreq->wi_val[0] == 0) { 562 ifp->if_flags &= ~IFF_PROMISC; 563 error = ENETRESET; 564 } 565 } else { 566 if (wreq->wi_val[0] != 0) { 567 ifp->if_flags |= IFF_PROMISC; 568 error = ENETRESET; 569 } 570 } 571 break; 572 case WI_RID_PORTTYPE: 573 if (len != 2) 574 goto invalid; 575 switch (le16toh(wreq->wi_val[0])) { 576 case IEEE80211_M_STA: 577 break; 578 case IEEE80211_M_IBSS: 579 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 580 goto invalid; 581 break; 582 case IEEE80211_M_AHDEMO: 583 if (ic->ic_phytype != IEEE80211_T_DS || 584 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 585 goto invalid; 586 break; 587 case IEEE80211_M_HOSTAP: 588 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 589 goto invalid; 590 break; 591 default: 592 goto invalid; 593 } 594 if (le16toh(wreq->wi_val[0]) != ic->ic_opmode) { 595 ic->ic_opmode = le16toh(wreq->wi_val[0]); 596 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 597 } 598 break; 599 #if 0 600 case WI_RID_MAC_NODE: 601 if (len != IEEE80211_ADDR_LEN) 602 goto invalid; 603 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq->wi_val); 604 /* if_init will copy lladdr into ic_myaddr */ 605 error = ENETRESET; 606 break; 607 #endif 608 case WI_RID_TX_RATE: 609 if (len != 2) 610 goto invalid; 611 if (wreq->wi_val[0] == 0) { 612 /* auto */ 613 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 614 break; 615 } 616 rate = 2 * le16toh(wreq->wi_val[0]); 617 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 618 /* 619 * In autoselect mode search for the rate. We take 620 * the first instance which may not be right, but we 621 * are limited by the interface. Note that we also 622 * lock the mode to insure the rate is meaningful 623 * when it is used. 624 */ 625 for (j = IEEE80211_MODE_11A; 626 j < IEEE80211_MODE_MAX; j++) { 627 if ((ic->ic_modecaps & (1<<j)) == 0) 628 continue; 629 i = findrate(ic, j, rate); 630 if (i != -1) { 631 /* lock mode too */ 632 ic->ic_curmode = j; 633 goto setrate; 634 } 635 } 636 } else { 637 i = findrate(ic, ic->ic_curmode, rate); 638 if (i != -1) 639 goto setrate; 640 } 641 goto invalid; 642 setrate: 643 ic->ic_fixed_rate = i; 644 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 645 break; 646 case WI_RID_CUR_TX_RATE: 647 error = EPERM; 648 goto out; 649 case WI_RID_FRAG_THRESH: 650 if (len != 2) 651 goto invalid; 652 ic->ic_fragthreshold = le16toh(wreq->wi_val[0]); 653 error = ENETRESET; 654 break; 655 case WI_RID_RTS_THRESH: 656 if (len != 2) 657 goto invalid; 658 ic->ic_rtsthreshold = le16toh(wreq->wi_val[0]); 659 error = ENETRESET; 660 break; 661 case WI_RID_CREATE_IBSS: 662 if (len != 2) 663 goto invalid; 664 if (wreq->wi_val[0] != 0) { 665 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 666 goto invalid; 667 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 668 ic->ic_flags |= IEEE80211_F_IBSSON; 669 if (ic->ic_opmode == IEEE80211_M_IBSS && 670 ic->ic_state == IEEE80211_S_SCAN) 671 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 672 } 673 } else { 674 if (ic->ic_flags & IEEE80211_F_IBSSON) { 675 ic->ic_flags &= ~IEEE80211_F_IBSSON; 676 if (ic->ic_flags & IEEE80211_F_SIBSS) { 677 ic->ic_flags &= ~IEEE80211_F_SIBSS; 678 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 679 } 680 } 681 } 682 break; 683 case WI_RID_MICROWAVE_OVEN: 684 if (len != 2) 685 goto invalid; 686 if (wreq->wi_val[0] != 0) 687 goto invalid; /* not supported */ 688 break; 689 case WI_RID_ROAMING_MODE: 690 if (len != 2) 691 goto invalid; 692 i = le16toh(wreq->wi_val[0]); 693 if (i > IEEE80211_ROAMING_MANUAL) 694 goto invalid; /* not supported */ 695 ic->ic_roaming = i; 696 break; 697 case WI_RID_SYSTEM_SCALE: 698 if (len != 2) 699 goto invalid; 700 if (le16toh(wreq->wi_val[0]) != 1) 701 goto invalid; /* not supported */ 702 break; 703 case WI_RID_PM_ENABLED: 704 if (len != 2) 705 goto invalid; 706 if (wreq->wi_val[0] != 0) { 707 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 708 goto invalid; 709 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 710 ic->ic_flags |= IEEE80211_F_PMGTON; 711 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 712 } 713 } else { 714 if (ic->ic_flags & IEEE80211_F_PMGTON) { 715 ic->ic_flags &= ~IEEE80211_F_PMGTON; 716 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 717 } 718 } 719 break; 720 case WI_RID_MAX_SLEEP: 721 if (len != 2) 722 goto invalid; 723 ic->ic_lintval = le16toh(wreq->wi_val[0]); 724 if (ic->ic_flags & IEEE80211_F_PMGTON) 725 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 726 break; 727 case WI_RID_CUR_BEACON_INT: 728 case WI_RID_WEP_AVAIL: 729 error = EPERM; 730 goto out; 731 case WI_RID_CNFAUTHMODE: 732 if (len != 2) 733 goto invalid; 734 i = le16toh(wreq->wi_val[0]); 735 if (i > IEEE80211_AUTH_WPA) 736 goto invalid; 737 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 738 error = ENETRESET; 739 break; 740 case WI_RID_ENCRYPTION: 741 if (len != 2) 742 goto invalid; 743 if (wreq->wi_val[0] != 0) { 744 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 745 goto invalid; 746 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 747 ic->ic_flags |= IEEE80211_F_PRIVACY; 748 error = ENETRESET; 749 } 750 } else { 751 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 752 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 753 error = ENETRESET; 754 } 755 } 756 break; 757 case WI_RID_TX_CRYPT_KEY: 758 if (len != 2) 759 goto invalid; 760 i = le16toh(wreq->wi_val[0]); 761 if (i >= IEEE80211_WEP_NKID) 762 goto invalid; 763 ic->ic_def_txkey = i; 764 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 765 break; 766 case WI_RID_DEFLT_CRYPT_KEYS: 767 if (len != sizeof(struct wi_ltv_keys)) 768 goto invalid; 769 keys = (struct wi_ltv_keys *)wreq; 770 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 771 len = le16toh(keys->wi_keys[i].wi_keylen); 772 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 773 goto invalid; 774 if (len > IEEE80211_KEYBUF_SIZE) 775 goto invalid; 776 } 777 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 778 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 779 780 len = le16toh(keys->wi_keys[i].wi_keylen); 781 k->wk_keylen = len; 782 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 783 memset(k->wk_key, 0, sizeof(k->wk_key)); 784 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 785 #if 0 786 k->wk_type = IEEE80211_CIPHER_WEP; 787 #endif 788 } 789 error = ENETRESET; 790 break; 791 case WI_RID_MAX_DATALEN: 792 if (len != 2) 793 goto invalid; 794 len = le16toh(wreq->wi_val[0]); 795 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 796 goto invalid; 797 ic->ic_fragthreshold = len; 798 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 799 break; 800 case WI_RID_IFACE_STATS: 801 error = EPERM; 802 break; 803 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 804 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 805 break; 806 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 807 if (error == 0) 808 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 809 break; 810 case WI_RID_SCAN_APS: 811 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 812 break; 813 len--; /* XXX: tx rate? */ 814 /* FALLTHRU */ 815 case WI_RID_CHANNEL_LIST: 816 memset(chanlist, 0, sizeof(chanlist)); 817 /* 818 * Since channel 0 is not available for DS, channel 1 819 * is assigned to LSB on WaveLAN. 820 */ 821 if (ic->ic_phytype == IEEE80211_T_DS) 822 i = 1; 823 else 824 i = 0; 825 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 826 if ((j / 8) >= len) 827 break; 828 if (isclr((u_int8_t *)wreq->wi_val, j)) 829 continue; 830 if (isclr(ic->ic_chan_active, i)) { 831 if (wreq->wi_type != WI_RID_CHANNEL_LIST) 832 continue; 833 if (isclr(ic->ic_chan_avail, i)) { 834 error = EPERM; 835 goto out; 836 } 837 } 838 setbit(chanlist, i); 839 } 840 error = ieee80211_setupscan(ic, chanlist); 841 if (wreq->wi_type == WI_RID_CHANNEL_LIST) { 842 /* NB: ignore error from ieee80211_setupscan */ 843 error = ENETRESET; 844 } else if (error == 0) 845 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 846 break; 847 default: 848 goto invalid; 849 } 850 if (error == ENETRESET && !IS_UP_AUTO(ic)) 851 error = 0; 852 out: 853 free(wreq, M_TEMP); 854 return error; 855 invalid: 856 free(wreq, M_TEMP); 857 return EINVAL; 858 } 859 860 static int 861 cap2cipher(int flag) 862 { 863 switch (flag) { 864 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 865 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 866 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 867 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 868 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 869 } 870 return -1; 871 } 872 873 static int 874 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 875 { 876 struct ieee80211_node *ni; 877 struct ieee80211req_key ik; 878 struct ieee80211_key *wk; 879 const struct ieee80211_cipher *cip; 880 u_int kid; 881 int error; 882 883 if (ireq->i_len != sizeof(ik)) 884 return EINVAL; 885 error = copyin(ireq->i_data, &ik, sizeof(ik)); 886 if (error) 887 return error; 888 kid = ik.ik_keyix; 889 if (kid == IEEE80211_KEYIX_NONE) { 890 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 891 if (ni == NULL) 892 return EINVAL; /* XXX */ 893 wk = &ni->ni_ucastkey; 894 } else { 895 if (kid >= IEEE80211_WEP_NKID) 896 return EINVAL; 897 wk = &ic->ic_nw_keys[kid]; 898 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 899 ni = NULL; 900 } 901 cip = wk->wk_cipher; 902 ik.ik_type = cip->ic_cipher; 903 ik.ik_keylen = wk->wk_keylen; 904 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 905 if (wk->wk_keyix == ic->ic_def_txkey) 906 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 907 if (kauth_authorize_network(kauth_cred_get(), 908 KAUTH_NETWORK_INTERFACE, 909 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ic->ic_ifp, NULL, NULL) == 0) { 910 /* NB: only root can read key data */ 911 ik.ik_keyrsc = wk->wk_keyrsc; 912 ik.ik_keytsc = wk->wk_keytsc; 913 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 914 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 915 memcpy(ik.ik_keydata+wk->wk_keylen, 916 wk->wk_key + IEEE80211_KEYBUF_SIZE, 917 IEEE80211_MICBUF_SIZE); 918 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 919 } 920 } else { 921 ik.ik_keyrsc = 0; 922 ik.ik_keytsc = 0; 923 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 924 } 925 if (ni != NULL) 926 ieee80211_free_node(ni); 927 return copyout(&ik, ireq->i_data, sizeof(ik)); 928 } 929 930 static int 931 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 932 { 933 size_t len = ireq->i_len; 934 935 if (len > sizeof(ic->ic_chan_active)) 936 len = sizeof(ic->ic_chan_active); 937 return copyout(&ic->ic_chan_active, ireq->i_data, len); 938 } 939 940 static int 941 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 942 { 943 struct ieee80211req_chaninfo *chans; 944 uint32_t i, space; 945 int error; 946 947 /* 948 * Since channel 0 is not available for DS, channel 1 949 * is assigned to LSB on WaveLAN. 950 */ 951 if (ic->ic_phytype == IEEE80211_T_DS) 952 i = 1; 953 else 954 i = 0; 955 956 chans = malloc(sizeof(*chans), M_TEMP, M_WAITOK|M_ZERO); 957 958 for (; i <= IEEE80211_CHAN_MAX; i++) 959 if (isset(ic->ic_chan_avail, i)) { 960 struct ieee80211_channel *c = &ic->ic_channels[i]; 961 chans->ic_chans[chans->ic_nchans].ic_freq = c->ic_freq; 962 chans->ic_chans[chans->ic_nchans].ic_flags = c->ic_flags; 963 chans->ic_nchans++; 964 } 965 space = offsetof(struct ieee80211req_chaninfo, 966 ic_chans[chans->ic_nchans]); 967 if (space > ireq->i_len) 968 space = ireq->i_len; 969 error = copyout(chans, ireq->i_data, space); 970 free(chans, M_TEMP); 971 return error; 972 } 973 974 static int 975 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 976 { 977 struct ieee80211_node *ni; 978 struct ieee80211req_wpaie wpaie; 979 int error; 980 981 if (ireq->i_len < IEEE80211_ADDR_LEN) 982 return EINVAL; 983 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 984 if (error != 0) 985 return error; 986 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 987 if (ni == NULL) 988 return EINVAL; /* XXX */ 989 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 990 if (ni->ni_wpa_ie != NULL) { 991 int ielen = ni->ni_wpa_ie[1] + 2; 992 if (ielen > sizeof(wpaie.wpa_ie)) 993 ielen = sizeof(wpaie.wpa_ie); 994 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 995 } 996 ieee80211_free_node(ni); 997 if (ireq->i_len > sizeof(wpaie)) 998 ireq->i_len = sizeof(wpaie); 999 return copyout(&wpaie, ireq->i_data, ireq->i_len); 1000 } 1001 1002 static int 1003 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 1004 { 1005 struct ieee80211_node *ni; 1006 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 1007 const size_t off = offsetof(struct ieee80211req_sta_stats, is_stats); 1008 int error; 1009 1010 if (ireq->i_len < off) 1011 return EINVAL; 1012 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1013 if (error != 0) 1014 return error; 1015 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 1016 if (ni == NULL) 1017 return EINVAL; /* XXX */ 1018 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 1019 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 1020 /* NB: copy out only the statistics */ 1021 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 1022 ireq->i_len - off); 1023 ieee80211_free_node(ni); 1024 return error; 1025 } 1026 1027 static void 1028 get_scan_result(struct ieee80211req_scan_result *sr, 1029 const struct ieee80211_node *ni) 1030 { 1031 struct ieee80211com *ic = ni->ni_ic; 1032 u_int ielen = 0; 1033 1034 memset(sr, 0, sizeof(*sr)); 1035 sr->isr_ssid_len = ni->ni_esslen; 1036 if (ni->ni_wpa_ie != NULL) 1037 ielen += 2+ni->ni_wpa_ie[1]; 1038 if (ni->ni_wme_ie != NULL) 1039 ielen += 2+ni->ni_wme_ie[1]; 1040 1041 /* 1042 * The value sr->isr_ie_len is defined as a uint8_t, so we 1043 * need to be careful to avoid an integer overflow. If the 1044 * value would overflow, we will set isr_ie_len to zero, and 1045 * ieee80211_ioctl_getscanresults (below) will avoid copying 1046 * the (overflowing) data. 1047 */ 1048 if (ielen > 255) 1049 ielen = 0; 1050 sr->isr_ie_len = ielen; 1051 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1052 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1053 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1054 sr->isr_freq = ni->ni_chan->ic_freq; 1055 sr->isr_flags = ni->ni_chan->ic_flags; 1056 } 1057 sr->isr_rssi = ic->ic_node_getrssi(ni); 1058 sr->isr_intval = ni->ni_intval; 1059 sr->isr_capinfo = ni->ni_capinfo; 1060 sr->isr_erp = ni->ni_erp; 1061 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1062 sr->isr_nrates = ni->ni_rates.rs_nrates; 1063 if (sr->isr_nrates > 15) 1064 sr->isr_nrates = 15; 1065 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1066 } 1067 1068 static int 1069 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1070 { 1071 union { 1072 struct ieee80211req_scan_result res; 1073 char data[sizeof(struct ieee80211req_scan_result) + IEEE80211_NWID_LEN + 256 * 2]; 1074 } u; 1075 struct ieee80211req_scan_result *sr = &u.res; 1076 struct ieee80211_node_table *nt; 1077 struct ieee80211_node *ni; 1078 int error; 1079 uint32_t space; 1080 u_int8_t *p, *cp; 1081 1082 p = ireq->i_data; 1083 space = ireq->i_len; 1084 error = 0; 1085 /* XXX locking */ 1086 nt = &ic->ic_scan; 1087 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1088 /* NB: skip pre-scan node state */ 1089 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1090 continue; 1091 get_scan_result(sr, ni); 1092 if (sr->isr_len > sizeof(u)) 1093 continue; /* XXX */ 1094 if (space < sr->isr_len) 1095 break; 1096 cp = (u_int8_t *)(sr+1); 1097 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1098 cp += ni->ni_esslen; 1099 if (sr->isr_ie_len > 0 && ni->ni_wpa_ie != NULL) { 1100 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1101 cp += 2+ni->ni_wpa_ie[1]; 1102 } 1103 if (sr->isr_ie_len > 0 && ni->ni_wme_ie != NULL) { 1104 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1105 cp += 2+ni->ni_wme_ie[1]; 1106 } 1107 error = copyout(sr, p, sr->isr_len); 1108 if (error) 1109 break; 1110 p += sr->isr_len; 1111 space -= sr->isr_len; 1112 } 1113 ireq->i_len -= space; 1114 return error; 1115 } 1116 1117 struct stainforeq { 1118 struct ieee80211com *ic; 1119 struct ieee80211req_sta_info *si; 1120 size_t space; 1121 }; 1122 1123 static size_t 1124 sta_space(const struct ieee80211_node *ni, size_t *ielen) 1125 { 1126 *ielen = 0; 1127 if (ni->ni_wpa_ie != NULL) 1128 *ielen += 2+ni->ni_wpa_ie[1]; 1129 if (ni->ni_wme_ie != NULL) 1130 *ielen += 2+ni->ni_wme_ie[1]; 1131 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 1132 sizeof(u_int32_t)); 1133 } 1134 1135 static void 1136 get_sta_space(void *arg, struct ieee80211_node *ni) 1137 { 1138 struct stainforeq *req = arg; 1139 struct ieee80211com *ic = ni->ni_ic; 1140 size_t ielen; 1141 1142 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1143 ni->ni_associd == 0) /* only associated stations */ 1144 return; 1145 req->space += sta_space(ni, &ielen); 1146 } 1147 1148 static void 1149 get_sta_info(void *arg, struct ieee80211_node *ni) 1150 { 1151 struct stainforeq *req = arg; 1152 struct ieee80211com *ic = ni->ni_ic; 1153 struct ieee80211req_sta_info *si; 1154 size_t ielen, len; 1155 u_int8_t *cp; 1156 1157 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1158 ni->ni_associd == 0) /* only associated stations */ 1159 return; 1160 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 1161 return; 1162 len = sta_space(ni, &ielen); 1163 if (len > req->space) 1164 return; 1165 si = req->si; 1166 si->isi_len = len; 1167 si->isi_ie_len = ielen; 1168 si->isi_freq = ni->ni_chan->ic_freq; 1169 si->isi_flags = ni->ni_chan->ic_flags; 1170 si->isi_state = ni->ni_flags; 1171 si->isi_authmode = ni->ni_authmode; 1172 si->isi_rssi = ic->ic_node_getrssi(ni); 1173 si->isi_capinfo = ni->ni_capinfo; 1174 si->isi_erp = ni->ni_erp; 1175 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1176 si->isi_nrates = ni->ni_rates.rs_nrates; 1177 if (si->isi_nrates > 15) 1178 si->isi_nrates = 15; 1179 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1180 si->isi_txrate = ni->ni_txrate; 1181 si->isi_associd = ni->ni_associd; 1182 si->isi_txpower = ni->ni_txpower; 1183 si->isi_vlan = ni->ni_vlan; 1184 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1185 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1186 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1187 } else { 1188 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1189 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1190 } 1191 /* NB: leave all cases in case we relax ni_associd == 0 check */ 1192 if (ieee80211_node_is_authorized(ni)) 1193 si->isi_inact = ic->ic_inact_run; 1194 else if (ni->ni_associd != 0) 1195 si->isi_inact = ic->ic_inact_auth; 1196 else 1197 si->isi_inact = ic->ic_inact_init; 1198 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1199 1200 cp = (u_int8_t *)(si+1); 1201 if (ni->ni_wpa_ie != NULL) { 1202 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1203 cp += 2+ni->ni_wpa_ie[1]; 1204 } 1205 if (ni->ni_wme_ie != NULL) { 1206 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1207 cp += 2+ni->ni_wme_ie[1]; 1208 } 1209 1210 req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len); 1211 req->space -= len; 1212 } 1213 1214 static int 1215 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1216 { 1217 struct stainforeq req; 1218 int error; 1219 1220 if (ireq->i_len < sizeof(struct stainforeq)) 1221 return EFAULT; 1222 1223 error = 0; 1224 req.space = 0; 1225 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 1226 if (req.space > ireq->i_len) 1227 req.space = ireq->i_len; 1228 if (req.space > 0) { 1229 size_t space; 1230 void *p; 1231 1232 space = req.space; 1233 p = malloc(space, M_TEMP, M_WAITOK); 1234 req.si = p; 1235 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 1236 ireq->i_len = space - req.space; 1237 error = copyout(p, ireq->i_data, ireq->i_len); 1238 free(p, M_TEMP); 1239 } else 1240 ireq->i_len = 0; 1241 1242 return error; 1243 } 1244 1245 static int 1246 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1247 { 1248 struct ieee80211_node *ni; 1249 struct ieee80211req_sta_txpow txpow; 1250 int error; 1251 1252 if (ireq->i_len != sizeof(txpow)) 1253 return EINVAL; 1254 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1255 if (error != 0) 1256 return error; 1257 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1258 if (ni == NULL) 1259 return EINVAL; /* XXX */ 1260 txpow.it_txpow = ni->ni_txpower; 1261 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1262 ieee80211_free_node(ni); 1263 return error; 1264 } 1265 1266 static int 1267 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1268 { 1269 struct ieee80211_wme_state *wme = &ic->ic_wme; 1270 struct wmeParams *wmep; 1271 int ac; 1272 1273 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1274 return EINVAL; 1275 1276 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1277 if (ac >= WME_NUM_AC) 1278 ac = WME_AC_BE; 1279 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1280 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1281 else 1282 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1283 switch (ireq->i_type) { 1284 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1285 ireq->i_val = wmep->wmep_logcwmin; 1286 break; 1287 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1288 ireq->i_val = wmep->wmep_logcwmax; 1289 break; 1290 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1291 ireq->i_val = wmep->wmep_aifsn; 1292 break; 1293 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1294 ireq->i_val = wmep->wmep_txopLimit; 1295 break; 1296 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1297 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1298 ireq->i_val = wmep->wmep_acm; 1299 break; 1300 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1301 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1302 ireq->i_val = !wmep->wmep_noackPolicy; 1303 break; 1304 } 1305 return 0; 1306 } 1307 1308 static int 1309 ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1310 { 1311 const struct ieee80211_aclator *acl = ic->ic_acl; 1312 1313 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); 1314 } 1315 1316 #if defined(COMPAT_FREEBSD_NET80211) 1317 static int 1318 ieee80211_ioctl_get80211_fbsd(struct ieee80211com *ic, u_long cmd, 1319 struct ieee80211req *ireq) 1320 { 1321 u_int kid, len; 1322 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1323 char tmpssid[IEEE80211_NWID_LEN]; 1324 struct ifnet *ifp = ic->ic_ifp; 1325 1326 int error = 0; 1327 1328 switch (ireq->i_type) { 1329 case IEEE80211_IOC_SSID: 1330 switch (ic->ic_state) { 1331 case IEEE80211_S_INIT: 1332 case IEEE80211_S_SCAN: 1333 ireq->i_len = ic->ic_des_esslen; 1334 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1335 break; 1336 default: 1337 ireq->i_len = ic->ic_bss->ni_esslen; 1338 memcpy(tmpssid, ic->ic_bss->ni_essid, 1339 ireq->i_len); 1340 break; 1341 } 1342 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1343 break; 1344 case IEEE80211_IOC_NUMSSIDS: 1345 ireq->i_val = 1; 1346 break; 1347 case IEEE80211_IOC_WEP: 1348 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1349 ireq->i_val = IEEE80211_WEP_OFF; 1350 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1351 ireq->i_val = IEEE80211_WEP_ON; 1352 else 1353 ireq->i_val = IEEE80211_WEP_MIXED; 1354 break; 1355 case IEEE80211_IOC_WEPKEY: 1356 kid = (u_int) ireq->i_val; 1357 if (kid >= IEEE80211_WEP_NKID) 1358 return EINVAL; 1359 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1360 /* NB: only root can read WEP keys */ 1361 if (kauth_authorize_network(kauth_cred_get(), 1362 KAUTH_NETWORK_INTERFACE, 1363 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, NULL, 1364 NULL) == 0) { 1365 memcpy(tmpkey, ic->ic_nw_keys[kid].wk_key, len); 1366 } else { 1367 memset(tmpkey, 0, len); 1368 } 1369 ireq->i_len = len; 1370 error = copyout(tmpkey, ireq->i_data, len); 1371 break; 1372 case IEEE80211_IOC_NUMWEPKEYS: 1373 ireq->i_val = IEEE80211_WEP_NKID; 1374 break; 1375 case IEEE80211_IOC_WEPTXKEY: 1376 ireq->i_val = ic->ic_def_txkey; 1377 break; 1378 case IEEE80211_IOC_CHANNEL: 1379 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 1380 break; 1381 case IEEE80211_IOC_POWERSAVE: 1382 if (ic->ic_flags & IEEE80211_F_PMGTON) 1383 ireq->i_val = IEEE80211_POWERSAVE_ON; 1384 else 1385 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1386 break; 1387 case IEEE80211_IOC_POWERSAVESLEEP: 1388 ireq->i_val = ic->ic_lintval; 1389 break; 1390 case IEEE80211_IOC_BSSID: 1391 if (ireq->i_len != IEEE80211_ADDR_LEN) 1392 return EINVAL; 1393 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1394 ic->ic_bss->ni_bssid : 1395 ic->ic_des_bssid, 1396 ireq->i_data, ireq->i_len); 1397 break; 1398 default: 1399 error = EINVAL; 1400 break; 1401 } 1402 return error; 1403 } 1404 #endif /* COMPAT_FREEBSD_NET80211 */ 1405 1406 /* 1407 * When building the kernel with -O2 on the i386 architecture, gcc 1408 * seems to want to inline this function into ieee80211_ioctl() 1409 * (which is the only routine that calls it). When this happens, 1410 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1411 * space. (Exactly why it needs so much is unclear.) The problem 1412 * is that it's possible for ieee80211_ioctl() to invoke other 1413 * routines (including driver init functions) which could then find 1414 * themselves perilously close to exhausting the stack. 1415 * 1416 * To avoid this, we deliberately prevent gcc from inlining this 1417 * routine. Another way to avoid this is to use less aggressive 1418 * optimization when compiling this file (i.e. -O instead of -O2) 1419 * but special-casing the compilation of this one module in the 1420 * build system would be awkward. 1421 */ 1422 #ifdef __GNUC__ 1423 __attribute__ ((__noinline__)) 1424 #endif 1425 static int 1426 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, 1427 struct ieee80211req *ireq) 1428 { 1429 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1430 int error = 0; 1431 u_int m; 1432 1433 switch (ireq->i_type) { 1434 case IEEE80211_IOC_AUTHMODE: 1435 if (ic->ic_flags & IEEE80211_F_WPA) 1436 ireq->i_val = IEEE80211_AUTH_WPA; 1437 else 1438 ireq->i_val = ic->ic_bss->ni_authmode; 1439 break; 1440 case IEEE80211_IOC_RTSTHRESHOLD: 1441 ireq->i_val = ic->ic_rtsthreshold; 1442 break; 1443 case IEEE80211_IOC_PROTMODE: 1444 ireq->i_val = ic->ic_protmode; 1445 break; 1446 case IEEE80211_IOC_TXPOWER: 1447 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1448 return EINVAL; 1449 ireq->i_val = ic->ic_txpowlimit; 1450 break; 1451 case IEEE80211_IOC_MCASTCIPHER: 1452 ireq->i_val = rsn->rsn_mcastcipher; 1453 break; 1454 case IEEE80211_IOC_MCASTKEYLEN: 1455 ireq->i_val = rsn->rsn_mcastkeylen; 1456 break; 1457 case IEEE80211_IOC_UCASTCIPHERS: 1458 ireq->i_val = 0; 1459 for (m = 0x1; m != 0; m <<= 1) 1460 if (rsn->rsn_ucastcipherset & m) 1461 ireq->i_val |= 1<<cap2cipher(m); 1462 break; 1463 case IEEE80211_IOC_UCASTCIPHER: 1464 ireq->i_val = rsn->rsn_ucastcipher; 1465 break; 1466 case IEEE80211_IOC_UCASTKEYLEN: 1467 ireq->i_val = rsn->rsn_ucastkeylen; 1468 break; 1469 case IEEE80211_IOC_KEYMGTALGS: 1470 ireq->i_val = rsn->rsn_keymgmtset; 1471 break; 1472 case IEEE80211_IOC_RSNCAPS: 1473 ireq->i_val = rsn->rsn_caps; 1474 break; 1475 case IEEE80211_IOC_WPA: 1476 switch (ic->ic_flags & IEEE80211_F_WPA) { 1477 case IEEE80211_F_WPA1: 1478 ireq->i_val = 1; 1479 break; 1480 case IEEE80211_F_WPA2: 1481 ireq->i_val = 2; 1482 break; 1483 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1484 ireq->i_val = 3; 1485 break; 1486 default: 1487 ireq->i_val = 0; 1488 break; 1489 } 1490 break; 1491 case IEEE80211_IOC_CHANLIST: 1492 error = ieee80211_ioctl_getchanlist(ic, ireq); 1493 break; 1494 case IEEE80211_IOC_ROAMING: 1495 ireq->i_val = ic->ic_roaming; 1496 break; 1497 case IEEE80211_IOC_PRIVACY: 1498 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1499 break; 1500 case IEEE80211_IOC_DROPUNENCRYPTED: 1501 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1502 break; 1503 case IEEE80211_IOC_COUNTERMEASURES: 1504 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1505 break; 1506 case IEEE80211_IOC_DRIVER_CAPS: 1507 ireq->i_val = ic->ic_caps>>16; 1508 ireq->i_len = ic->ic_caps&0xffff; 1509 break; 1510 case IEEE80211_IOC_WME: 1511 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1512 break; 1513 case IEEE80211_IOC_HIDESSID: 1514 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1515 break; 1516 case IEEE80211_IOC_APBRIDGE: 1517 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1518 break; 1519 case IEEE80211_IOC_OPTIE: 1520 if (ic->ic_opt_ie == NULL) 1521 return EINVAL; 1522 /* NB: truncate, caller can check length */ 1523 if (ireq->i_len > ic->ic_opt_ie_len) 1524 ireq->i_len = ic->ic_opt_ie_len; 1525 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1526 break; 1527 case IEEE80211_IOC_WPAKEY: 1528 error = ieee80211_ioctl_getkey(ic, ireq); 1529 break; 1530 case IEEE80211_IOC_CHANINFO: 1531 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1532 break; 1533 case IEEE80211_IOC_WPAIE: 1534 error = ieee80211_ioctl_getwpaie(ic, ireq); 1535 break; 1536 case IEEE80211_IOC_SCAN_RESULTS: 1537 error = ieee80211_ioctl_getscanresults(ic, ireq); 1538 break; 1539 case IEEE80211_IOC_STA_STATS: 1540 error = ieee80211_ioctl_getstastats(ic, ireq); 1541 break; 1542 case IEEE80211_IOC_TXPOWMAX: 1543 ireq->i_val = ic->ic_bss->ni_txpower; 1544 break; 1545 case IEEE80211_IOC_STA_TXPOW: 1546 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1547 break; 1548 case IEEE80211_IOC_STA_INFO: 1549 error = ieee80211_ioctl_getstainfo(ic, ireq); 1550 break; 1551 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1552 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1553 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1554 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1555 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1556 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1557 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1558 break; 1559 case IEEE80211_IOC_DTIM_PERIOD: 1560 ireq->i_val = ic->ic_dtim_period; 1561 break; 1562 case IEEE80211_IOC_BEACON_INTERVAL: 1563 /* NB: get from ic_bss for station mode */ 1564 ireq->i_val = ic->ic_bss->ni_intval; 1565 break; 1566 case IEEE80211_IOC_PUREG: 1567 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1568 break; 1569 case IEEE80211_IOC_MCAST_RATE: 1570 ireq->i_val = ic->ic_mcast_rate; 1571 break; 1572 case IEEE80211_IOC_FRAGTHRESHOLD: 1573 ireq->i_val = ic->ic_fragthreshold; 1574 break; 1575 case IEEE80211_IOC_MACCMD: 1576 error = ieee80211_ioctl_getmaccmd(ic, ireq); 1577 break; 1578 default: 1579 #if defined(COMPAT_FREEBSD_NET80211) 1580 error = ieee80211_ioctl_get80211_fbsd(ic, cmd, ireq); 1581 #else 1582 error = EINVAL; 1583 #endif /* COMPAT_FREEBSD_NET80211 */ 1584 break; 1585 } 1586 return error; 1587 } 1588 1589 static int 1590 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1591 { 1592 int error; 1593 void *ie; 1594 1595 /* 1596 * NB: Doing this for ap operation could be useful (e.g. for 1597 * WPA and/or WME) except that it typically is worthless 1598 * without being able to intervene when processing 1599 * association response frames--so disallow it for now. 1600 */ 1601 if (ic->ic_opmode != IEEE80211_M_STA) 1602 return EINVAL; 1603 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1604 return EINVAL; 1605 /* NB: data.length is validated by the wireless extensions code */ 1606 ie = malloc(ireq->i_len, M_DEVBUF, M_WAITOK); 1607 if (ie == NULL) 1608 return ENOMEM; 1609 error = copyin(ireq->i_data, ie, ireq->i_len); 1610 /* XXX sanity check data? */ 1611 if (ic->ic_opt_ie != NULL) 1612 free(ic->ic_opt_ie, M_DEVBUF); 1613 ic->ic_opt_ie = ie; 1614 ic->ic_opt_ie_len = ireq->i_len; 1615 return error; 1616 } 1617 1618 static int 1619 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1620 { 1621 struct ieee80211req_key ik; 1622 struct ieee80211_node *ni; 1623 struct ieee80211_key *wk; 1624 u_int16_t kid; 1625 int error; 1626 1627 if (ireq->i_len != sizeof(ik)) 1628 return EINVAL; 1629 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1630 if (error) 1631 return error; 1632 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1633 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1634 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1635 return E2BIG; 1636 kid = ik.ik_keyix; 1637 if (kid == IEEE80211_KEYIX_NONE) { 1638 /* XXX unicast keys currently must be tx/rx */ 1639 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1640 return EINVAL; 1641 if (ic->ic_opmode == IEEE80211_M_STA) { 1642 ni = ieee80211_ref_node(ic->ic_bss); 1643 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1644 ieee80211_free_node(ni); 1645 return EADDRNOTAVAIL; 1646 } 1647 } else { 1648 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1649 if (ni == NULL) 1650 return ENOENT; 1651 } 1652 wk = &ni->ni_ucastkey; 1653 } else { 1654 if (kid >= IEEE80211_WEP_NKID) 1655 return EINVAL; 1656 wk = &ic->ic_nw_keys[kid]; 1657 ni = NULL; 1658 } 1659 error = 0; 1660 ieee80211_key_update_begin(ic); 1661 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1662 wk->wk_keylen = ik.ik_keylen; 1663 /* NB: MIC presence is implied by cipher type */ 1664 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1665 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1666 wk->wk_keyrsc = ik.ik_keyrsc; 1667 wk->wk_keytsc = 0; /* new key, reset */ 1668 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1669 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1670 if (!ieee80211_crypto_setkey(ic, wk, 1671 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1672 error = EIO; 1673 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1674 ic->ic_def_txkey = kid; 1675 } else 1676 error = ENXIO; 1677 ieee80211_key_update_end(ic); 1678 if (ni != NULL) 1679 ieee80211_free_node(ni); 1680 return error; 1681 } 1682 1683 static int 1684 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1685 { 1686 struct ieee80211req_del_key dk; 1687 int kid, error; 1688 1689 if (ireq->i_len != sizeof(dk)) 1690 return EINVAL; 1691 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1692 if (error) 1693 return error; 1694 kid = dk.idk_keyix; 1695 /* XXX u_int8_t -> u_int16_t */ 1696 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1697 struct ieee80211_node *ni; 1698 1699 if (ic->ic_opmode == IEEE80211_M_STA) { 1700 ni = ieee80211_ref_node(ic->ic_bss); 1701 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1702 ieee80211_free_node(ni); 1703 return EADDRNOTAVAIL; 1704 } 1705 } else { 1706 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1707 if (ni == NULL) 1708 return ENOENT; 1709 } 1710 /* XXX error return */ 1711 ieee80211_node_delucastkey(ni); 1712 ieee80211_free_node(ni); 1713 } else { 1714 if (kid >= IEEE80211_WEP_NKID) 1715 return EINVAL; 1716 /* XXX error return */ 1717 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1718 } 1719 return 0; 1720 } 1721 1722 #ifndef IEEE80211_NO_HOSTAP 1723 static void 1724 domlme(void *arg, struct ieee80211_node *ni) 1725 { 1726 struct ieee80211com *ic = ni->ni_ic; 1727 struct ieee80211req_mlme *mlme = arg; 1728 1729 if (ni->ni_associd != 0) { 1730 IEEE80211_SEND_MGMT(ic, ni, 1731 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1732 IEEE80211_FC0_SUBTYPE_DEAUTH : 1733 IEEE80211_FC0_SUBTYPE_DISASSOC, 1734 mlme->im_reason); 1735 } 1736 ieee80211_node_leave(ic, ni); 1737 } 1738 #endif /* !IEEE80211_NO_HOSTAP */ 1739 1740 static int 1741 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1742 { 1743 struct ieee80211req_mlme mlme; 1744 struct ieee80211_node *ni; 1745 int error; 1746 1747 if (ireq->i_len != sizeof(mlme)) 1748 return EINVAL; 1749 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1750 if (error) 1751 return error; 1752 switch (mlme.im_op) { 1753 case IEEE80211_MLME_ASSOC: 1754 if (ic->ic_opmode != IEEE80211_M_STA) 1755 return EINVAL; 1756 /* XXX must be in S_SCAN state? */ 1757 1758 if (mlme.im_ssid_len != 0) { 1759 /* 1760 * Desired ssid specified; must match both bssid and 1761 * ssid to distinguish ap advertising multiple ssid's. 1762 */ 1763 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1764 mlme.im_macaddr, 1765 mlme.im_ssid_len, mlme.im_ssid); 1766 } else { 1767 /* 1768 * Normal case; just match bssid. 1769 */ 1770 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1771 } 1772 if (ni == NULL) 1773 return EINVAL; 1774 if (!ieee80211_sta_join(ic, ni)) { 1775 ieee80211_free_node(ni); 1776 return EINVAL; 1777 } 1778 break; 1779 case IEEE80211_MLME_DISASSOC: 1780 case IEEE80211_MLME_DEAUTH: 1781 switch (ic->ic_opmode) { 1782 case IEEE80211_M_STA: 1783 /* XXX not quite right */ 1784 ieee80211_new_state(ic, IEEE80211_S_INIT, 1785 mlme.im_reason); 1786 break; 1787 case IEEE80211_M_HOSTAP: 1788 #ifndef IEEE80211_NO_HOSTAP 1789 /* NB: the broadcast address means do 'em all */ 1790 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1791 if ((ni = ieee80211_find_node(&ic->ic_sta, 1792 mlme.im_macaddr)) == NULL) 1793 return EINVAL; 1794 domlme(&mlme, ni); 1795 ieee80211_free_node(ni); 1796 } else { 1797 ieee80211_iterate_nodes(&ic->ic_sta, 1798 domlme, &mlme); 1799 } 1800 #endif /* !IEEE80211_NO_HOSTAP */ 1801 break; 1802 default: 1803 return EINVAL; 1804 } 1805 break; 1806 case IEEE80211_MLME_AUTHORIZE: 1807 case IEEE80211_MLME_UNAUTHORIZE: 1808 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1809 return EINVAL; 1810 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1811 if (ni == NULL) 1812 return EINVAL; 1813 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1814 ieee80211_node_authorize(ni); 1815 else 1816 ieee80211_node_unauthorize(ni); 1817 ieee80211_free_node(ni); 1818 break; 1819 default: 1820 return EINVAL; 1821 } 1822 return 0; 1823 } 1824 1825 static int 1826 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1827 { 1828 u_int8_t mac[IEEE80211_ADDR_LEN]; 1829 const struct ieee80211_aclator *acl = ic->ic_acl; 1830 int error; 1831 1832 if (ireq->i_len != sizeof(mac)) 1833 return EINVAL; 1834 error = copyin(ireq->i_data, mac, ireq->i_len); 1835 if (error) 1836 return error; 1837 if (acl == NULL) { 1838 acl = ieee80211_aclator_get("mac"); 1839 if (acl == NULL || !acl->iac_attach(ic)) 1840 return EINVAL; 1841 ic->ic_acl = acl; 1842 } 1843 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1844 acl->iac_add(ic, mac); 1845 else 1846 acl->iac_remove(ic, mac); 1847 return 0; 1848 } 1849 1850 static int 1851 ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1852 { 1853 const struct ieee80211_aclator *acl = ic->ic_acl; 1854 1855 switch (ireq->i_val) { 1856 case IEEE80211_MACCMD_POLICY_OPEN: 1857 case IEEE80211_MACCMD_POLICY_ALLOW: 1858 case IEEE80211_MACCMD_POLICY_DENY: 1859 if (acl == NULL) { 1860 acl = ieee80211_aclator_get("mac"); 1861 if (acl == NULL || !acl->iac_attach(ic)) 1862 return EINVAL; 1863 ic->ic_acl = acl; 1864 } 1865 acl->iac_setpolicy(ic, ireq->i_val); 1866 break; 1867 case IEEE80211_MACCMD_FLUSH: 1868 if (acl != NULL) 1869 acl->iac_flush(ic); 1870 /* NB: silently ignore when not in use */ 1871 break; 1872 case IEEE80211_MACCMD_DETACH: 1873 if (acl != NULL) { 1874 ic->ic_acl = NULL; 1875 acl->iac_detach(ic); 1876 } 1877 break; 1878 default: 1879 if (acl == NULL) 1880 return EINVAL; 1881 else 1882 return acl->iac_setioctl(ic, ireq); 1883 } 1884 return 0; 1885 } 1886 1887 static int 1888 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1889 { 1890 struct ieee80211req_chanlist list; 1891 u_int8_t chanlist[IEEE80211_CHAN_BYTES]; 1892 int i, j, error; 1893 1894 if (ireq->i_len != sizeof(list)) 1895 return EINVAL; 1896 error = copyin(ireq->i_data, &list, sizeof(list)); 1897 if (error) 1898 return error; 1899 memset(chanlist, 0, sizeof(chanlist)); 1900 /* 1901 * Since channel 0 is not available for DS, channel 1 1902 * is assigned to LSB on WaveLAN. 1903 */ 1904 if (ic->ic_phytype == IEEE80211_T_DS) 1905 i = 1; 1906 else 1907 i = 0; 1908 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1909 /* 1910 * NB: silently discard unavailable channels so users 1911 * can specify 1-255 to get all available channels. 1912 */ 1913 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1914 setbit(chanlist, i); 1915 } 1916 if (ic->ic_ibss_chan == NULL || 1917 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1918 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1919 if (isset(chanlist, i)) { 1920 ic->ic_ibss_chan = &ic->ic_channels[i]; 1921 goto found; 1922 } 1923 return EINVAL; /* no active channels */ 1924 found: 1925 ; 1926 } 1927 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1928 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1929 } 1930 1931 static int 1932 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1933 { 1934 struct ieee80211_node *ni; 1935 struct ieee80211req_sta_txpow txpow; 1936 int error; 1937 1938 if (ireq->i_len != sizeof(txpow)) 1939 return EINVAL; 1940 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1941 if (error != 0) 1942 return error; 1943 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1944 if (ni == NULL) 1945 return EINVAL; /* XXX */ 1946 ni->ni_txpower = txpow.it_txpow; 1947 ieee80211_free_node(ni); 1948 return error; 1949 } 1950 1951 static int 1952 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1953 { 1954 struct ieee80211_wme_state *wme = &ic->ic_wme; 1955 struct wmeParams *wmep, *chanp; 1956 int isbss, ac; 1957 1958 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1959 return EINVAL; 1960 1961 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1962 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1963 if (ac >= WME_NUM_AC) 1964 ac = WME_AC_BE; 1965 if (isbss) { 1966 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1967 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1968 } else { 1969 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1970 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1971 } 1972 switch (ireq->i_type) { 1973 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1974 if (isbss) { 1975 wmep->wmep_logcwmin = ireq->i_val; 1976 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1977 chanp->wmep_logcwmin = ireq->i_val; 1978 } else { 1979 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1980 ireq->i_val; 1981 } 1982 break; 1983 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1984 if (isbss) { 1985 wmep->wmep_logcwmax = ireq->i_val; 1986 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1987 chanp->wmep_logcwmax = ireq->i_val; 1988 } else { 1989 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1990 ireq->i_val; 1991 } 1992 break; 1993 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1994 if (isbss) { 1995 wmep->wmep_aifsn = ireq->i_val; 1996 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1997 chanp->wmep_aifsn = ireq->i_val; 1998 } else { 1999 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 2000 } 2001 break; 2002 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2003 if (isbss) { 2004 wmep->wmep_txopLimit = ireq->i_val; 2005 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 2006 chanp->wmep_txopLimit = ireq->i_val; 2007 } else { 2008 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 2009 ireq->i_val; 2010 } 2011 break; 2012 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2013 wmep->wmep_acm = ireq->i_val; 2014 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 2015 chanp->wmep_acm = ireq->i_val; 2016 break; 2017 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 2018 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 2019 (ireq->i_val) == 0; 2020 break; 2021 } 2022 ieee80211_wme_updateparams(ic); 2023 return 0; 2024 } 2025 2026 static int 2027 cipher2cap(int cipher) 2028 { 2029 switch (cipher) { 2030 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 2031 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 2032 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 2033 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 2034 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 2035 } 2036 return 0; 2037 } 2038 2039 static int 2040 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, 2041 struct ieee80211req *ireq) 2042 { 2043 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2044 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 2045 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2046 char tmpssid[IEEE80211_NWID_LEN]; 2047 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 2048 struct ieee80211_key *k; 2049 u_int kid; 2050 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2051 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 2052 int error; 2053 const struct ieee80211_authenticator *auth; 2054 int j, caps; 2055 2056 error = 0; 2057 switch (ireq->i_type) { 2058 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2059 case IEEE80211_IOC_SSID: 2060 if (ireq->i_val != 0 || 2061 ireq->i_len > IEEE80211_NWID_LEN) 2062 return EINVAL; 2063 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2064 if (error) 2065 break; 2066 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2067 ic->ic_des_esslen = ireq->i_len; 2068 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 2069 error = ENETRESET; 2070 break; 2071 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2072 case IEEE80211_IOC_WEP: 2073 switch (ireq->i_val) { 2074 case IEEE80211_WEP_OFF: 2075 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2076 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2077 break; 2078 case IEEE80211_WEP_ON: 2079 ic->ic_flags |= IEEE80211_F_PRIVACY; 2080 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2081 break; 2082 case IEEE80211_WEP_MIXED: 2083 ic->ic_flags |= IEEE80211_F_PRIVACY; 2084 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2085 break; 2086 } 2087 error = ENETRESET; 2088 break; 2089 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2090 case IEEE80211_IOC_WEPKEY: 2091 kid = (u_int) ireq->i_val; 2092 if (kid >= IEEE80211_WEP_NKID) 2093 return EINVAL; 2094 k = &ic->ic_nw_keys[kid]; 2095 if (ireq->i_len == 0) { 2096 /* zero-len =>'s delete any existing key */ 2097 (void) ieee80211_crypto_delkey(ic, k); 2098 break; 2099 } 2100 if (ireq->i_len > sizeof(tmpkey)) 2101 return EINVAL; 2102 memset(tmpkey, 0, sizeof(tmpkey)); 2103 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2104 if (error) 2105 break; 2106 ieee80211_key_update_begin(ic); 2107 k->wk_keyix = kid; /* NB: force fixed key id */ 2108 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2109 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2110 k->wk_keylen = ireq->i_len; 2111 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2112 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2113 error = EINVAL; 2114 } else 2115 error = EINVAL; 2116 ieee80211_key_update_end(ic); 2117 if (!error) /* NB: for compatibility */ 2118 error = ENETRESET; 2119 break; 2120 case IEEE80211_IOC_WEPTXKEY: 2121 kid = (u_int) ireq->i_val; 2122 if (kid >= IEEE80211_WEP_NKID && 2123 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 2124 return EINVAL; 2125 ic->ic_def_txkey = kid; 2126 error = ENETRESET; /* push to hardware */ 2127 break; 2128 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2129 case IEEE80211_IOC_AUTHMODE: 2130 switch (ireq->i_val) { 2131 case IEEE80211_AUTH_WPA: 2132 case IEEE80211_AUTH_8021X: /* 802.1x */ 2133 case IEEE80211_AUTH_OPEN: /* open */ 2134 case IEEE80211_AUTH_SHARED: /* shared-key */ 2135 case IEEE80211_AUTH_AUTO: /* auto */ 2136 auth = ieee80211_authenticator_get(ireq->i_val); 2137 if (auth == NULL) 2138 return EINVAL; 2139 break; 2140 default: 2141 return EINVAL; 2142 } 2143 switch (ireq->i_val) { 2144 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2145 ic->ic_flags |= IEEE80211_F_PRIVACY; 2146 ireq->i_val = IEEE80211_AUTH_8021X; 2147 break; 2148 case IEEE80211_AUTH_OPEN: /* open */ 2149 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2150 break; 2151 case IEEE80211_AUTH_SHARED: /* shared-key */ 2152 case IEEE80211_AUTH_8021X: /* 802.1x */ 2153 ic->ic_flags &= ~IEEE80211_F_WPA; 2154 /* both require a key so mark the PRIVACY capability */ 2155 ic->ic_flags |= IEEE80211_F_PRIVACY; 2156 break; 2157 case IEEE80211_AUTH_AUTO: /* auto */ 2158 ic->ic_flags &= ~IEEE80211_F_WPA; 2159 /* XXX PRIVACY handling? */ 2160 /* XXX what's the right way to do this? */ 2161 break; 2162 } 2163 /* NB: authenticator attach/detach happens on state change */ 2164 ic->ic_bss->ni_authmode = ireq->i_val; 2165 /* XXX mixed/mode/usage? */ 2166 ic->ic_auth = auth; 2167 error = ENETRESET; 2168 break; 2169 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2170 case IEEE80211_IOC_CHANNEL: 2171 /* XXX 0xffff overflows 16-bit signed */ 2172 if (ireq->i_val == 0 || 2173 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2174 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2175 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2176 isclr(ic->ic_chan_active, ireq->i_val)) { 2177 return EINVAL; 2178 } else 2179 ic->ic_ibss_chan = ic->ic_des_chan = 2180 &ic->ic_channels[ireq->i_val]; 2181 switch (ic->ic_state) { 2182 case IEEE80211_S_INIT: 2183 case IEEE80211_S_SCAN: 2184 error = ENETRESET; 2185 break; 2186 default: 2187 /* 2188 * If the desired channel has changed (to something 2189 * other than any) and we're not already scanning, 2190 * then kick the state machine. 2191 */ 2192 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2193 ic->ic_bss->ni_chan != ic->ic_des_chan && 2194 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2195 error = ENETRESET; 2196 break; 2197 } 2198 if (error == ENETRESET && 2199 ic->ic_opmode == IEEE80211_M_MONITOR) { 2200 if (IS_UP(ic)) { 2201 /* 2202 * Monitor mode can switch directly. 2203 */ 2204 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 2205 ic->ic_curchan = ic->ic_des_chan; 2206 error = ic->ic_reset(ic->ic_ifp); 2207 } else 2208 error = 0; 2209 } 2210 break; 2211 case IEEE80211_IOC_POWERSAVE: 2212 switch (ireq->i_val) { 2213 case IEEE80211_POWERSAVE_OFF: 2214 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2215 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2216 error = ENETRESET; 2217 } 2218 break; 2219 case IEEE80211_POWERSAVE_ON: 2220 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2221 error = EINVAL; 2222 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2223 ic->ic_flags |= IEEE80211_F_PMGTON; 2224 error = ENETRESET; 2225 } 2226 break; 2227 default: 2228 error = EINVAL; 2229 break; 2230 } 2231 break; 2232 case IEEE80211_IOC_POWERSAVESLEEP: 2233 if (ireq->i_val < 0) 2234 return EINVAL; 2235 ic->ic_lintval = ireq->i_val; 2236 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2237 break; 2238 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2239 case IEEE80211_IOC_RTSTHRESHOLD: 2240 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2241 ireq->i_val <= IEEE80211_RTS_MAX)) 2242 return EINVAL; 2243 ic->ic_rtsthreshold = ireq->i_val; 2244 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2245 break; 2246 case IEEE80211_IOC_PROTMODE: 2247 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2248 return EINVAL; 2249 ic->ic_protmode = ireq->i_val; 2250 /* NB: if not operating in 11g this can wait */ 2251 if (ic->ic_curmode == IEEE80211_MODE_11G) 2252 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2253 break; 2254 case IEEE80211_IOC_TXPOWER: 2255 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2256 return EINVAL; 2257 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2258 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2259 return EINVAL; 2260 ic->ic_txpowlimit = ireq->i_val; 2261 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2262 break; 2263 case IEEE80211_IOC_ROAMING: 2264 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2265 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2266 return EINVAL; 2267 ic->ic_roaming = ireq->i_val; 2268 /* XXXX reset? */ 2269 break; 2270 case IEEE80211_IOC_PRIVACY: 2271 if (ireq->i_val) { 2272 /* XXX check for key state? */ 2273 ic->ic_flags |= IEEE80211_F_PRIVACY; 2274 } else 2275 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2276 break; 2277 case IEEE80211_IOC_DROPUNENCRYPTED: 2278 if (ireq->i_val) 2279 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2280 else 2281 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2282 break; 2283 case IEEE80211_IOC_WPAKEY: 2284 error = ieee80211_ioctl_setkey(ic, ireq); 2285 break; 2286 case IEEE80211_IOC_DELKEY: 2287 error = ieee80211_ioctl_delkey(ic, ireq); 2288 break; 2289 case IEEE80211_IOC_MLME: 2290 error = ieee80211_ioctl_setmlme(ic, ireq); 2291 break; 2292 case IEEE80211_IOC_OPTIE: 2293 error = ieee80211_ioctl_setoptie(ic, ireq); 2294 break; 2295 case IEEE80211_IOC_COUNTERMEASURES: 2296 if (ireq->i_val) { 2297 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2298 return EINVAL; 2299 ic->ic_flags |= IEEE80211_F_COUNTERM; 2300 } else 2301 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2302 break; 2303 case IEEE80211_IOC_WPA: 2304 if (ireq->i_val > 3) 2305 return EINVAL; 2306 /* XXX verify ciphers available */ 2307 ic->ic_flags &= ~IEEE80211_F_WPA; 2308 switch (ireq->i_val) { 2309 case 1: 2310 ic->ic_flags |= IEEE80211_F_WPA1; 2311 break; 2312 case 2: 2313 ic->ic_flags |= IEEE80211_F_WPA2; 2314 break; 2315 case 3: 2316 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2317 break; 2318 } 2319 error = ENETRESET; /* XXX? */ 2320 break; 2321 case IEEE80211_IOC_WME: 2322 if (ireq->i_val) { 2323 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2324 return EINVAL; 2325 ic->ic_flags |= IEEE80211_F_WME; 2326 } else 2327 ic->ic_flags &= ~IEEE80211_F_WME; 2328 error = ENETRESET; /* XXX maybe not for station? */ 2329 break; 2330 case IEEE80211_IOC_HIDESSID: 2331 if (ireq->i_val) 2332 ic->ic_flags |= IEEE80211_F_HIDESSID; 2333 else 2334 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2335 error = ENETRESET; 2336 break; 2337 case IEEE80211_IOC_APBRIDGE: 2338 if (ireq->i_val == 0) 2339 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2340 else 2341 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2342 break; 2343 case IEEE80211_IOC_MCASTCIPHER: 2344 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2345 !ieee80211_crypto_available(ireq->i_val)) 2346 return EINVAL; 2347 rsn->rsn_mcastcipher = ireq->i_val; 2348 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2349 break; 2350 case IEEE80211_IOC_MCASTKEYLEN: 2351 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2352 return EINVAL; 2353 /* XXX no way to verify driver capability */ 2354 rsn->rsn_mcastkeylen = ireq->i_val; 2355 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2356 break; 2357 case IEEE80211_IOC_UCASTCIPHERS: 2358 /* 2359 * Convert user-specified cipher set to the set 2360 * we can support (via hardware or software). 2361 * NB: this logic intentionally ignores unknown and 2362 * unsupported ciphers so folks can specify 0xff or 2363 * similar and get all available ciphers. 2364 */ 2365 caps = 0; 2366 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2367 if ((ireq->i_val & (1<<j)) && 2368 ((ic->ic_caps & cipher2cap(j)) || 2369 ieee80211_crypto_available(j))) 2370 caps |= 1<<j; 2371 if (caps == 0) /* nothing available */ 2372 return EINVAL; 2373 /* XXX verify ciphers ok for unicast use? */ 2374 /* XXX disallow if running as it'll have no effect */ 2375 rsn->rsn_ucastcipherset = caps; 2376 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2377 break; 2378 case IEEE80211_IOC_UCASTCIPHER: 2379 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2380 return EINVAL; 2381 rsn->rsn_ucastcipher = ireq->i_val; 2382 break; 2383 case IEEE80211_IOC_UCASTKEYLEN: 2384 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2385 return EINVAL; 2386 /* XXX no way to verify driver capability */ 2387 rsn->rsn_ucastkeylen = ireq->i_val; 2388 break; 2389 case IEEE80211_IOC_DRIVER_CAPS: 2390 /* NB: for testing */ 2391 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2392 ((u_int16_t) ireq->i_len); 2393 break; 2394 case IEEE80211_IOC_KEYMGTALGS: 2395 /* XXX check */ 2396 rsn->rsn_keymgmtset = ireq->i_val; 2397 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2398 break; 2399 case IEEE80211_IOC_RSNCAPS: 2400 /* XXX check */ 2401 rsn->rsn_caps = ireq->i_val; 2402 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2403 break; 2404 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2405 case IEEE80211_IOC_BSSID: 2406 /* NB: should only be set when in STA mode */ 2407 if (ic->ic_opmode != IEEE80211_M_STA) 2408 return EINVAL; 2409 if (ireq->i_len != sizeof(tmpbssid)) 2410 return EINVAL; 2411 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2412 if (error) 2413 break; 2414 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2415 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2416 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2417 else 2418 ic->ic_flags |= IEEE80211_F_DESBSSID; 2419 error = ENETRESET; 2420 break; 2421 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2422 case IEEE80211_IOC_CHANLIST: 2423 error = ieee80211_ioctl_setchanlist(ic, ireq); 2424 break; 2425 case IEEE80211_IOC_SCAN_REQ: 2426 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2427 break; 2428 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2429 if (error == 0) /* XXX background scan */ 2430 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2431 break; 2432 case IEEE80211_IOC_ADDMAC: 2433 case IEEE80211_IOC_DELMAC: 2434 error = ieee80211_ioctl_macmac(ic, ireq); 2435 break; 2436 case IEEE80211_IOC_MACCMD: 2437 error = ieee80211_ioctl_setmaccmd(ic, ireq); 2438 break; 2439 case IEEE80211_IOC_STA_TXPOW: 2440 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2441 break; 2442 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2443 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2444 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2445 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2446 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2447 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2448 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2449 break; 2450 case IEEE80211_IOC_DTIM_PERIOD: 2451 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2452 ic->ic_opmode != IEEE80211_M_IBSS) 2453 return EINVAL; 2454 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2455 ireq->i_val <= IEEE80211_DTIM_MAX) { 2456 ic->ic_dtim_period = ireq->i_val; 2457 error = ENETRESET; /* requires restart */ 2458 } else 2459 error = EINVAL; 2460 break; 2461 case IEEE80211_IOC_BEACON_INTERVAL: 2462 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2463 ic->ic_opmode != IEEE80211_M_IBSS) 2464 return EINVAL; 2465 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2466 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2467 ic->ic_bintval = ireq->i_val; 2468 error = ENETRESET; /* requires restart */ 2469 } else 2470 error = EINVAL; 2471 break; 2472 case IEEE80211_IOC_PUREG: 2473 if (ireq->i_val) 2474 ic->ic_flags |= IEEE80211_F_PUREG; 2475 else 2476 ic->ic_flags &= ~IEEE80211_F_PUREG; 2477 /* NB: reset only if we're operating on an 11g channel */ 2478 if (ic->ic_curmode == IEEE80211_MODE_11G) 2479 error = ENETRESET; 2480 break; 2481 case IEEE80211_IOC_MCAST_RATE: 2482 ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL; 2483 break; 2484 case IEEE80211_IOC_FRAGTHRESHOLD: 2485 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && 2486 ireq->i_val != IEEE80211_FRAG_MAX) 2487 return EINVAL; 2488 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2489 ireq->i_val <= IEEE80211_FRAG_MAX)) 2490 return EINVAL; 2491 ic->ic_fragthreshold = ireq->i_val; 2492 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2493 break; 2494 default: 2495 error = EINVAL; 2496 break; 2497 } 2498 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2499 error = 0; 2500 return error; 2501 } 2502 2503 #ifdef __FreeBSD__ 2504 int 2505 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, void *data) 2506 { 2507 struct ifnet *ifp = ic->ic_ifp; 2508 int error = 0; 2509 struct ifreq *ifr; 2510 struct ifaddr *ifa; /* XXX */ 2511 2512 switch (cmd) { 2513 case SIOCSIFMEDIA: 2514 case SIOCGIFMEDIA: 2515 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2516 &ic->ic_media, cmd); 2517 break; 2518 case SIOCG80211: 2519 error = ieee80211_ioctl_get80211(ic, cmd, 2520 (struct ieee80211req *) data); 2521 break; 2522 case SIOCS80211: 2523 error = suser(curthread); 2524 if (error == 0) 2525 error = ieee80211_ioctl_set80211(ic, cmd, 2526 (struct ieee80211req *) data); 2527 break; 2528 case SIOCGIFGENERIC: 2529 error = ieee80211_cfgget(ic, cmd, data); 2530 break; 2531 case SIOCSIFGENERIC: 2532 error = suser(curthread); 2533 if (error) 2534 break; 2535 error = ieee80211_cfgset(ic, cmd, data); 2536 break; 2537 case SIOCG80211STATS: 2538 ifr = (struct ifreq *)data; 2539 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2540 break; 2541 case SIOCSIFMTU: 2542 ifr = (struct ifreq *)data; 2543 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2544 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2545 error = EINVAL; 2546 else 2547 ifp->if_mtu = ifr->ifr_mtu; 2548 break; 2549 default: 2550 error = ether_ioctl(ifp, cmd, data); 2551 break; 2552 } 2553 return error; 2554 } 2555 #endif /* __FreeBSD__ */ 2556 2557 #ifdef __NetBSD__ 2558 2559 int 2560 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, void *data) 2561 { 2562 struct ifnet *ifp = ic->ic_ifp; 2563 struct ifreq *ifr = (struct ifreq *)data; 2564 int i, error = 0, kid, klen, s; 2565 struct ieee80211_key *k; 2566 struct ieee80211_nwid nwid; 2567 struct ieee80211_nwkey *nwkey; 2568 struct ieee80211_power *power; 2569 struct ieee80211_bssid *bssid; 2570 struct ieee80211chanreq *chanreq; 2571 struct ieee80211_channel *chan; 2572 uint32_t oflags; 2573 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 2574 u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; 2575 2576 switch (cmd) { 2577 case SIOCSIFMEDIA: 2578 case SIOCGIFMEDIA: 2579 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2580 break; 2581 case SIOCG80211: 2582 error = ieee80211_ioctl_get80211(ic, cmd, 2583 (struct ieee80211req *) data); 2584 break; 2585 case SIOCS80211: 2586 if ((error = kauth_authorize_network(kauth_cred_get(), 2587 KAUTH_NETWORK_INTERFACE, 2588 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, 2589 NULL)) != 0) 2590 break; 2591 error = ieee80211_ioctl_set80211(ic, cmd, 2592 (struct ieee80211req *) data); 2593 break; 2594 case SIOCS80211NWID: 2595 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 2596 break; 2597 if (nwid.i_len > IEEE80211_NWID_LEN) { 2598 error = EINVAL; 2599 break; 2600 } 2601 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2602 ic->ic_des_esslen = nwid.i_len; 2603 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 2604 error = ENETRESET; 2605 break; 2606 case SIOCG80211NWID: 2607 memset(&nwid, 0, sizeof(nwid)); 2608 switch (ic->ic_state) { 2609 case IEEE80211_S_INIT: 2610 case IEEE80211_S_SCAN: 2611 nwid.i_len = ic->ic_des_esslen; 2612 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 2613 break; 2614 default: 2615 nwid.i_len = ic->ic_bss->ni_esslen; 2616 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 2617 break; 2618 } 2619 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 2620 break; 2621 case SIOCS80211NWKEY: 2622 nwkey = (struct ieee80211_nwkey *)data; 2623 /* transmit key index out of range? */ 2624 kid = nwkey->i_defkid - 1; 2625 if (kid < 0 || kid >= IEEE80211_WEP_NKID) { 2626 error = EINVAL; 2627 break; 2628 } 2629 /* no such transmit key is set? */ 2630 if (nwkey->i_key[kid].i_keylen == 0 || 2631 (nwkey->i_key[kid].i_keylen == -1 && 2632 ic->ic_nw_keys[kid].wk_keylen == 0)) { 2633 if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { 2634 error = EINVAL; 2635 break; 2636 } 2637 } 2638 /* check key lengths */ 2639 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2640 klen = nwkey->i_key[kid].i_keylen; 2641 if ((klen > 0 && 2642 klen < IEEE80211_WEP_KEYLEN) || 2643 klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { 2644 error = EINVAL; 2645 break; 2646 } 2647 } 2648 2649 if (error) 2650 break; 2651 2652 /* copy in keys */ 2653 (void)memset(tmpkey, 0, sizeof(tmpkey)); 2654 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2655 klen = nwkey->i_key[kid].i_keylen; 2656 if (klen <= 0) 2657 continue; 2658 if ((error = copyin(nwkey->i_key[kid].i_keydat, 2659 tmpkey[kid], klen)) != 0) 2660 break; 2661 } 2662 2663 if (error) 2664 break; 2665 2666 /* set keys */ 2667 ieee80211_key_update_begin(ic); 2668 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2669 klen = nwkey->i_key[kid].i_keylen; 2670 if (klen <= 0) 2671 continue; 2672 k = &ic->ic_nw_keys[kid]; 2673 k->wk_keyix = kid; 2674 if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2675 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2676 error = EINVAL; 2677 continue; 2678 } 2679 k->wk_keylen = nwkey->i_key[kid].i_keylen; 2680 (void)memcpy(k->wk_key, tmpkey[kid], 2681 sizeof(tmpkey[kid])); 2682 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2683 error = EINVAL; 2684 } 2685 ieee80211_key_update_end(ic); 2686 2687 if (error) 2688 break; 2689 2690 /* delete keys */ 2691 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2692 klen = nwkey->i_key[kid].i_keylen; 2693 k = &ic->ic_nw_keys[kid]; 2694 if (klen <= 0) 2695 (void)ieee80211_crypto_delkey(ic, k); 2696 } 2697 2698 /* set transmit key */ 2699 kid = nwkey->i_defkid - 1; 2700 if (ic->ic_def_txkey != kid) { 2701 ic->ic_def_txkey = kid; 2702 error = ENETRESET; 2703 } 2704 oflags = ic->ic_flags; 2705 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 2706 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2707 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2708 } else { 2709 ic->ic_flags |= IEEE80211_F_PRIVACY; 2710 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2711 } 2712 if (oflags != ic->ic_flags) 2713 error = ENETRESET; 2714 break; 2715 case SIOCG80211NWKEY: 2716 nwkey = (struct ieee80211_nwkey *)data; 2717 if (ic->ic_flags & IEEE80211_F_PRIVACY) 2718 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 2719 else 2720 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 2721 nwkey->i_defkid = ic->ic_def_txkey + 1; 2722 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2723 if (nwkey->i_key[i].i_keydat == NULL) 2724 continue; 2725 /* do not show any keys to non-root user */ 2726 if ((error = kauth_authorize_network( 2727 kauth_cred_get(), 2728 KAUTH_NETWORK_INTERFACE, 2729 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, 2730 (void *)cmd, NULL)) != 0) 2731 break; 2732 nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; 2733 if ((error = copyout(ic->ic_nw_keys[i].wk_key, 2734 nwkey->i_key[i].i_keydat, 2735 ic->ic_nw_keys[i].wk_keylen)) != 0) 2736 break; 2737 } 2738 break; 2739 case SIOCS80211POWER: 2740 power = (struct ieee80211_power *)data; 2741 ic->ic_lintval = power->i_maxsleep; 2742 if (power->i_enabled != 0) { 2743 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2744 error = EINVAL; 2745 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2746 ic->ic_flags |= IEEE80211_F_PMGTON; 2747 error = ENETRESET; 2748 } 2749 } else { 2750 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2751 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2752 error = ENETRESET; 2753 } 2754 } 2755 break; 2756 case SIOCG80211POWER: 2757 power = (struct ieee80211_power *)data; 2758 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 2759 power->i_maxsleep = ic->ic_lintval; 2760 break; 2761 case SIOCS80211BSSID: 2762 bssid = (struct ieee80211_bssid *)data; 2763 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 2764 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2765 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2766 else 2767 ic->ic_flags |= IEEE80211_F_DESBSSID; 2768 error = ENETRESET; 2769 break; 2770 case SIOCG80211BSSID: 2771 bssid = (struct ieee80211_bssid *)data; 2772 switch (ic->ic_state) { 2773 case IEEE80211_S_INIT: 2774 case IEEE80211_S_SCAN: 2775 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2776 IEEE80211_ADDR_COPY(bssid->i_bssid, 2777 ic->ic_myaddr); 2778 else if (ic->ic_flags & IEEE80211_F_DESBSSID) 2779 IEEE80211_ADDR_COPY(bssid->i_bssid, 2780 ic->ic_des_bssid); 2781 else 2782 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 2783 break; 2784 default: 2785 IEEE80211_ADDR_COPY(bssid->i_bssid, 2786 ic->ic_bss->ni_bssid); 2787 break; 2788 } 2789 break; 2790 case SIOCS80211CHANNEL: 2791 chanreq = (struct ieee80211chanreq *)data; 2792 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 2793 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2794 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 2795 isclr(ic->ic_chan_active, chanreq->i_channel)) { 2796 error = EINVAL; 2797 break; 2798 } else 2799 ic->ic_ibss_chan = ic->ic_des_chan = 2800 &ic->ic_channels[chanreq->i_channel]; 2801 switch (ic->ic_state) { 2802 case IEEE80211_S_INIT: 2803 case IEEE80211_S_SCAN: 2804 error = ENETRESET; 2805 break; 2806 default: 2807 if (ic->ic_opmode == IEEE80211_M_STA) { 2808 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2809 ic->ic_bss->ni_chan != ic->ic_des_chan) 2810 error = ENETRESET; 2811 } else if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2812 ic->ic_curchan = ic->ic_ibss_chan; 2813 error = ENETRESET; 2814 } else { 2815 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 2816 error = ENETRESET; 2817 } 2818 break; 2819 } 2820 break; 2821 case SIOCG80211CHANNEL: 2822 chanreq = (struct ieee80211chanreq *)data; 2823 switch (ic->ic_state) { 2824 case IEEE80211_S_INIT: 2825 case IEEE80211_S_SCAN: 2826 if (ic->ic_opmode == IEEE80211_M_STA) 2827 chan = ic->ic_des_chan; 2828 else 2829 chan = ic->ic_ibss_chan; 2830 break; 2831 default: 2832 chan = ic->ic_curchan; 2833 break; 2834 } 2835 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 2836 break; 2837 case SIOCGIFGENERIC: 2838 error = ieee80211_cfgget(ic, cmd, data); 2839 break; 2840 case SIOCSIFGENERIC: 2841 error = kauth_authorize_network(kauth_cred_get(), 2842 KAUTH_NETWORK_INTERFACE, 2843 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, 2844 NULL); 2845 if (error) 2846 break; 2847 error = ieee80211_cfgset(ic, cmd, data); 2848 break; 2849 case OSIOCG80211STATS: 2850 case OSIOCG80211ZSTATS: 2851 (void)module_autoload("compat_20", MODULE_CLASS_EXEC); 2852 MODULE_HOOK_CALL(ieee80211_ioctl_20_hook, (ic, cmd, data), 2853 enosys(), error); 2854 break; 2855 case SIOCG80211ZSTATS: 2856 case SIOCG80211STATS: 2857 ifr = (struct ifreq *)data; 2858 s = splnet(); 2859 error = copyout(&ic->ic_stats, ifr->ifr_buf, 2860 MIN(sizeof(ic->ic_stats), ifr->ifr_buflen)); 2861 if (error == 0 && cmd == SIOCG80211ZSTATS) 2862 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2863 splx(s); 2864 break; 2865 case SIOCSIFMTU: 2866 ifr = (struct ifreq *)data; 2867 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2868 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2869 error = EINVAL; 2870 else if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) 2871 error = 0; 2872 break; 2873 default: 2874 error = ether_ioctl(ifp, cmd, data); 2875 break; 2876 } 2877 return error; 2878 } 2879 #endif /* __NetBSD__ */
Cache object: a3a043c6af4df8ab9ed0cc04cd955d57
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