ieee80211_ioctl.c revision 153346
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU General Public License ("GPL") version 2 as published by the Free 19 * Software Foundation. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: head/sys/net80211/ieee80211_ioctl.c 153346 2005-12-12 17:54:39Z sam $"); 35 36/* 37 * IEEE 802.11 ioctl support (FreeBSD-specific) 38 */ 39 40#include "opt_inet.h" 41#include "opt_ipx.h" 42 43#include <sys/endian.h> 44#include <sys/param.h> 45#include <sys/kernel.h> 46#include <sys/socket.h> 47#include <sys/sockio.h> 48#include <sys/systm.h> 49 50#include <net/if.h> 51#include <net/if_dl.h> 52#include <net/if_media.h> 53#include <net/ethernet.h> 54 55#ifdef INET 56#include <netinet/in.h> 57#include <netinet/if_ether.h> 58#endif 59 60#ifdef IPX 61#include <netipx/ipx.h> 62#include <netipx/ipx_if.h> 63#endif 64 65#include <net80211/ieee80211_var.h> 66#include <net80211/ieee80211_ioctl.h> 67 68#include <dev/wi/if_wavelan_ieee.h> 69 70#define IS_UP(_ic) \ 71 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 72 ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING)) 73#define IS_UP_AUTO(_ic) \ 74 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 75 76/* 77 * XXX 78 * Wireless LAN specific configuration interface, which is compatible 79 * with wicontrol(8). 80 */ 81 82struct wi_read_ap_args { 83 int i; /* result count */ 84 struct wi_apinfo *ap; /* current entry in result buffer */ 85 caddr_t max; /* result buffer bound */ 86}; 87 88static void 89wi_read_ap_result(void *arg, struct ieee80211_node *ni) 90{ 91 struct ieee80211com *ic = ni->ni_ic; 92 struct wi_read_ap_args *sa = arg; 93 struct wi_apinfo *ap = sa->ap; 94 struct ieee80211_rateset *rs; 95 int j; 96 97 if ((caddr_t)(ap + 1) > sa->max) 98 return; 99 memset(ap, 0, sizeof(struct wi_apinfo)); 100 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 101 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 102 ap->namelen = ic->ic_des_esslen; 103 if (ic->ic_des_esslen) 104 memcpy(ap->name, ic->ic_des_essid, 105 ic->ic_des_esslen); 106 } else { 107 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 108 ap->namelen = ni->ni_esslen; 109 if (ni->ni_esslen) 110 memcpy(ap->name, ni->ni_essid, 111 ni->ni_esslen); 112 } 113 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 114 ap->signal = ic->ic_node_getrssi(ni); 115 ap->capinfo = ni->ni_capinfo; 116 ap->interval = ni->ni_intval; 117 rs = &ni->ni_rates; 118 for (j = 0; j < rs->rs_nrates; j++) { 119 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 120 ap->rate = (rs->rs_rates[j] & 121 IEEE80211_RATE_VAL) * 5; /* XXX */ 122 } 123 } 124 sa->i++; 125 sa->ap++; 126} 127 128struct wi_read_prism2_args { 129 int i; /* result count */ 130 struct wi_scan_res *res;/* current entry in result buffer */ 131 caddr_t max; /* result buffer bound */ 132}; 133 134static void 135wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 136{ 137 struct ieee80211com *ic = ni->ni_ic; 138 struct wi_read_prism2_args *sa = arg; 139 struct wi_scan_res *res = sa->res; 140 141 if ((caddr_t)(res + 1) > sa->max) 142 return; 143 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 144 res->wi_noise = 0; 145 res->wi_signal = ic->ic_node_getrssi(ni); 146 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 147 res->wi_interval = ni->ni_intval; 148 res->wi_capinfo = ni->ni_capinfo; 149 res->wi_ssid_len = ni->ni_esslen; 150 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 151 /* NB: assumes wi_srates holds <= ni->ni_rates */ 152 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 153 sizeof(res->wi_srates)); 154 if (ni->ni_rates.rs_nrates < 10) 155 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 156 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 157 res->wi_rsvd = 0; 158 159 sa->i++; 160 sa->res++; 161} 162 163struct wi_read_sigcache_args { 164 int i; /* result count */ 165 struct wi_sigcache *wsc;/* current entry in result buffer */ 166 caddr_t max; /* result buffer bound */ 167}; 168 169static void 170wi_read_sigcache(void *arg, struct ieee80211_node *ni) 171{ 172 struct ieee80211com *ic = ni->ni_ic; 173 struct wi_read_sigcache_args *sa = arg; 174 struct wi_sigcache *wsc = sa->wsc; 175 176 if ((caddr_t)(wsc + 1) > sa->max) 177 return; 178 memset(wsc, 0, sizeof(struct wi_sigcache)); 179 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 180 wsc->signal = ic->ic_node_getrssi(ni); 181 182 sa->wsc++; 183 sa->i++; 184} 185 186int 187ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data) 188{ 189 struct ifnet *ifp = ic->ic_ifp; 190 int i, j, error; 191 struct ifreq *ifr = (struct ifreq *)data; 192 struct wi_req wreq; 193 struct wi_ltv_keys *keys; 194 195 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 196 if (error) 197 return error; 198 wreq.wi_len = 0; 199 switch (wreq.wi_type) { 200 case WI_RID_SERIALNO: 201 /* nothing appropriate */ 202 break; 203 case WI_RID_NODENAME: 204 strcpy((char *)&wreq.wi_val[1], hostname); 205 wreq.wi_val[0] = htole16(strlen(hostname)); 206 wreq.wi_len = (1 + strlen(hostname) + 1) / 2; 207 break; 208 case WI_RID_CURRENT_SSID: 209 if (ic->ic_state != IEEE80211_S_RUN) { 210 wreq.wi_val[0] = 0; 211 wreq.wi_len = 1; 212 break; 213 } 214 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen); 215 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid, 216 ic->ic_bss->ni_esslen); 217 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 218 break; 219 case WI_RID_OWN_SSID: 220 case WI_RID_DESIRED_SSID: 221 wreq.wi_val[0] = htole16(ic->ic_des_esslen); 222 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 223 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2; 224 break; 225 case WI_RID_CURRENT_BSSID: 226 if (ic->ic_state == IEEE80211_S_RUN) 227 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid); 228 else 229 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN); 230 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 231 break; 232 case WI_RID_CHANNEL_LIST: 233 memset(wreq.wi_val, 0, sizeof(wreq.wi_val)); 234 /* 235 * Since channel 0 is not available for DS, channel 1 236 * is assigned to LSB on WaveLAN. 237 */ 238 if (ic->ic_phytype == IEEE80211_T_DS) 239 i = 1; 240 else 241 i = 0; 242 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 243 if (isset(ic->ic_chan_active, i)) { 244 setbit((u_int8_t *)wreq.wi_val, j); 245 wreq.wi_len = j / 16 + 1; 246 } 247 break; 248 case WI_RID_OWN_CHNL: 249 wreq.wi_val[0] = htole16( 250 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 251 wreq.wi_len = 1; 252 break; 253 case WI_RID_CURRENT_CHAN: 254 wreq.wi_val[0] = htole16( 255 ieee80211_chan2ieee(ic, ic->ic_curchan)); 256 wreq.wi_len = 1; 257 break; 258 case WI_RID_COMMS_QUALITY: 259 wreq.wi_val[0] = 0; /* quality */ 260 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 261 wreq.wi_val[2] = 0; /* noise */ 262 wreq.wi_len = 3; 263 break; 264 case WI_RID_PROMISC: 265 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 266 wreq.wi_len = 1; 267 break; 268 case WI_RID_PORTTYPE: 269 wreq.wi_val[0] = htole16(ic->ic_opmode); 270 wreq.wi_len = 1; 271 break; 272 case WI_RID_MAC_NODE: 273 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr); 274 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 275 break; 276 case WI_RID_TX_RATE: 277 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 278 wreq.wi_val[0] = 0; /* auto */ 279 else 280 wreq.wi_val[0] = htole16( 281 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 282 IEEE80211_RATE_VAL) / 2); 283 wreq.wi_len = 1; 284 break; 285 case WI_RID_CUR_TX_RATE: 286 wreq.wi_val[0] = htole16( 287 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 288 IEEE80211_RATE_VAL) / 2); 289 wreq.wi_len = 1; 290 break; 291 case WI_RID_RTS_THRESH: 292 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold); 293 wreq.wi_len = 1; 294 break; 295 case WI_RID_CREATE_IBSS: 296 wreq.wi_val[0] = 297 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 298 wreq.wi_len = 1; 299 break; 300 case WI_RID_MICROWAVE_OVEN: 301 wreq.wi_val[0] = 0; /* no ... not supported */ 302 wreq.wi_len = 1; 303 break; 304 case WI_RID_ROAMING_MODE: 305 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 306 wreq.wi_len = 1; 307 break; 308 case WI_RID_SYSTEM_SCALE: 309 wreq.wi_val[0] = htole16(1); /* low density ... not supp */ 310 wreq.wi_len = 1; 311 break; 312 case WI_RID_PM_ENABLED: 313 wreq.wi_val[0] = 314 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 315 wreq.wi_len = 1; 316 break; 317 case WI_RID_MAX_SLEEP: 318 wreq.wi_val[0] = htole16(ic->ic_lintval); 319 wreq.wi_len = 1; 320 break; 321 case WI_RID_CUR_BEACON_INT: 322 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval); 323 wreq.wi_len = 1; 324 break; 325 case WI_RID_WEP_AVAIL: 326 wreq.wi_val[0] = htole16(1); /* always available */ 327 wreq.wi_len = 1; 328 break; 329 case WI_RID_CNFAUTHMODE: 330 wreq.wi_val[0] = htole16(1); /* TODO: open system only */ 331 wreq.wi_len = 1; 332 break; 333 case WI_RID_ENCRYPTION: 334 wreq.wi_val[0] = 335 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 336 wreq.wi_len = 1; 337 break; 338 case WI_RID_TX_CRYPT_KEY: 339 wreq.wi_val[0] = htole16(ic->ic_def_txkey); 340 wreq.wi_len = 1; 341 break; 342 case WI_RID_DEFLT_CRYPT_KEYS: 343 keys = (struct wi_ltv_keys *)&wreq; 344 /* do not show keys to non-root user */ 345 error = suser(curthread); 346 if (error) { 347 memset(keys, 0, sizeof(*keys)); 348 error = 0; 349 break; 350 } 351 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 352 keys->wi_keys[i].wi_keylen = 353 htole16(ic->ic_nw_keys[i].wk_keylen); 354 memcpy(keys->wi_keys[i].wi_keydat, 355 ic->ic_nw_keys[i].wk_key, 356 ic->ic_nw_keys[i].wk_keylen); 357 } 358 wreq.wi_len = sizeof(*keys) / 2; 359 break; 360 case WI_RID_MAX_DATALEN: 361 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 362 wreq.wi_len = 1; 363 break; 364 case WI_RID_IFACE_STATS: 365 /* XXX: should be implemented in lower drivers */ 366 break; 367 case WI_RID_READ_APS: 368 /* 369 * Don't return results until active scan completes. 370 */ 371 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 372 struct wi_read_ap_args args; 373 374 args.i = 0; 375 args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); 376 args.max = (void *)(&wreq + 1); 377 ieee80211_iterate_nodes(&ic->ic_scan, 378 wi_read_ap_result, &args); 379 memcpy(wreq.wi_val, &args.i, sizeof(args.i)); 380 wreq.wi_len = (sizeof(int) + 381 sizeof(struct wi_apinfo) * args.i) / 2; 382 } else 383 error = EINPROGRESS; 384 break; 385 case WI_RID_PRISM2: 386 /* NB: we lie so WI_RID_SCAN_RES can include rates */ 387 wreq.wi_val[0] = 1; 388 wreq.wi_len = sizeof(u_int16_t) / 2; 389 break; 390 case WI_RID_SCAN_RES: /* compatibility interface */ 391 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 392 struct wi_read_prism2_args args; 393 struct wi_scan_p2_hdr *p2; 394 395 /* NB: use Prism2 format so we can include rate info */ 396 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; 397 args.i = 0; 398 args.res = (void *)&p2[1]; 399 args.max = (void *)(&wreq + 1); 400 ieee80211_iterate_nodes(&ic->ic_scan, 401 wi_read_prism2_result, &args); 402 p2->wi_rsvd = 0; 403 p2->wi_reason = args.i; 404 wreq.wi_len = (sizeof(*p2) + 405 sizeof(struct wi_scan_res) * args.i) / 2; 406 } else 407 error = EINPROGRESS; 408 break; 409 case WI_RID_READ_CACHE: { 410 struct wi_read_sigcache_args args; 411 args.i = 0; 412 args.wsc = (struct wi_sigcache *) wreq.wi_val; 413 args.max = (void *)(&wreq + 1); 414 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 415 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 416 break; 417 } 418 default: 419 error = EINVAL; 420 break; 421 } 422 if (error == 0) { 423 wreq.wi_len++; 424 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 425 } 426 return error; 427} 428 429static int 430findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 431{ 432#define IEEERATE(_ic,_m,_i) \ 433 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 434 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 435 for (i = 0; i < nrates; i++) 436 if (IEEERATE(ic, mode, i) == rate) 437 return i; 438 return -1; 439#undef IEEERATE 440} 441 442/* 443 * Prepare to do a user-initiated scan for AP's. If no 444 * current/default channel is setup or the current channel 445 * is invalid then pick the first available channel from 446 * the active list as the place to start the scan. 447 */ 448static int 449ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 450{ 451 452 /* 453 * XXX don't permit a scan to be started unless we 454 * know the device is ready. For the moment this means 455 * the device is marked up as this is the required to 456 * initialize the hardware. It would be better to permit 457 * scanning prior to being up but that'll require some 458 * changes to the infrastructure. 459 */ 460 if (!IS_UP(ic)) 461 return EINVAL; 462 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 463 /* 464 * We force the state to INIT before calling ieee80211_new_state 465 * to get ieee80211_begin_scan called. We really want to scan w/o 466 * altering the current state but that's not possible right now. 467 */ 468 /* XXX handle proberequest case */ 469 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 470 return 0; 471} 472 473int 474ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) 475{ 476 struct ifnet *ifp = ic->ic_ifp; 477 int i, j, len, error, rate; 478 struct ifreq *ifr = (struct ifreq *)data; 479 struct wi_ltv_keys *keys; 480 struct wi_req wreq; 481 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)]; 482 483 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 484 if (error) 485 return error; 486 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0; 487 switch (wreq.wi_type) { 488 case WI_RID_SERIALNO: 489 case WI_RID_NODENAME: 490 return EPERM; 491 case WI_RID_CURRENT_SSID: 492 return EPERM; 493 case WI_RID_OWN_SSID: 494 case WI_RID_DESIRED_SSID: 495 if (le16toh(wreq.wi_val[0]) * 2 > len || 496 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) { 497 error = ENOSPC; 498 break; 499 } 500 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 501 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2; 502 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen); 503 error = ENETRESET; 504 break; 505 case WI_RID_CURRENT_BSSID: 506 return EPERM; 507 case WI_RID_OWN_CHNL: 508 if (len != 2) 509 return EINVAL; 510 i = le16toh(wreq.wi_val[0]); 511 if (i < 0 || 512 i > IEEE80211_CHAN_MAX || 513 isclr(ic->ic_chan_active, i)) 514 return EINVAL; 515 ic->ic_ibss_chan = &ic->ic_channels[i]; 516 if (ic->ic_opmode == IEEE80211_M_MONITOR) 517 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 518 else 519 error = ENETRESET; 520 break; 521 case WI_RID_CURRENT_CHAN: 522 return EPERM; 523 case WI_RID_COMMS_QUALITY: 524 return EPERM; 525 case WI_RID_PROMISC: 526 if (len != 2) 527 return EINVAL; 528 if (ifp->if_flags & IFF_PROMISC) { 529 if (wreq.wi_val[0] == 0) { 530 ifp->if_flags &= ~IFF_PROMISC; 531 error = ENETRESET; 532 } 533 } else { 534 if (wreq.wi_val[0] != 0) { 535 ifp->if_flags |= IFF_PROMISC; 536 error = ENETRESET; 537 } 538 } 539 break; 540 case WI_RID_PORTTYPE: 541 if (len != 2) 542 return EINVAL; 543 switch (le16toh(wreq.wi_val[0])) { 544 case IEEE80211_M_STA: 545 break; 546 case IEEE80211_M_IBSS: 547 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 548 return EINVAL; 549 break; 550 case IEEE80211_M_AHDEMO: 551 if (ic->ic_phytype != IEEE80211_T_DS || 552 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 553 return EINVAL; 554 break; 555 case IEEE80211_M_HOSTAP: 556 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 557 return EINVAL; 558 break; 559 default: 560 return EINVAL; 561 } 562 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) { 563 ic->ic_opmode = le16toh(wreq.wi_val[0]); 564 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 565 } 566 break; 567#if 0 568 case WI_RID_MAC_NODE: 569 if (len != IEEE80211_ADDR_LEN) 570 return EINVAL; 571 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val); 572 /* if_init will copy lladdr into ic_myaddr */ 573 error = ENETRESET; 574 break; 575#endif 576 case WI_RID_TX_RATE: 577 if (len != 2) 578 return EINVAL; 579 if (wreq.wi_val[0] == 0) { 580 /* auto */ 581 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 582 break; 583 } 584 rate = 2 * le16toh(wreq.wi_val[0]); 585 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 586 /* 587 * In autoselect mode search for the rate. We take 588 * the first instance which may not be right, but we 589 * are limited by the interface. Note that we also 590 * lock the mode to insure the rate is meaningful 591 * when it is used. 592 */ 593 for (j = IEEE80211_MODE_11A; 594 j < IEEE80211_MODE_MAX; j++) { 595 if ((ic->ic_modecaps & (1<<j)) == 0) 596 continue; 597 i = findrate(ic, j, rate); 598 if (i != -1) { 599 /* lock mode too */ 600 ic->ic_curmode = j; 601 goto setrate; 602 } 603 } 604 } else { 605 i = findrate(ic, ic->ic_curmode, rate); 606 if (i != -1) 607 goto setrate; 608 } 609 return EINVAL; 610 setrate: 611 ic->ic_fixed_rate = i; 612 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 613 break; 614 case WI_RID_CUR_TX_RATE: 615 return EPERM; 616 case WI_RID_RTS_THRESH: 617 if (len != 2) 618 return EINVAL; 619 if (le16toh(wreq.wi_val[0]) != IEEE80211_MAX_LEN) 620 return EINVAL; /* TODO: RTS */ 621 break; 622 case WI_RID_CREATE_IBSS: 623 if (len != 2) 624 return EINVAL; 625 if (wreq.wi_val[0] != 0) { 626 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 627 return EINVAL; 628 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 629 ic->ic_flags |= IEEE80211_F_IBSSON; 630 if (ic->ic_opmode == IEEE80211_M_IBSS && 631 ic->ic_state == IEEE80211_S_SCAN) 632 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 633 } 634 } else { 635 if (ic->ic_flags & IEEE80211_F_IBSSON) { 636 ic->ic_flags &= ~IEEE80211_F_IBSSON; 637 if (ic->ic_flags & IEEE80211_F_SIBSS) { 638 ic->ic_flags &= ~IEEE80211_F_SIBSS; 639 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 640 } 641 } 642 } 643 break; 644 case WI_RID_MICROWAVE_OVEN: 645 if (len != 2) 646 return EINVAL; 647 if (wreq.wi_val[0] != 0) 648 return EINVAL; /* not supported */ 649 break; 650 case WI_RID_ROAMING_MODE: 651 if (len != 2) 652 return EINVAL; 653 i = le16toh(wreq.wi_val[0]); 654 if (i > IEEE80211_ROAMING_MANUAL) 655 return EINVAL; /* not supported */ 656 ic->ic_roaming = i; 657 break; 658 case WI_RID_SYSTEM_SCALE: 659 if (len != 2) 660 return EINVAL; 661 if (le16toh(wreq.wi_val[0]) != 1) 662 return EINVAL; /* not supported */ 663 break; 664 case WI_RID_PM_ENABLED: 665 if (len != 2) 666 return EINVAL; 667 if (wreq.wi_val[0] != 0) { 668 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 669 return EINVAL; 670 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 671 ic->ic_flags |= IEEE80211_F_PMGTON; 672 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 673 } 674 } else { 675 if (ic->ic_flags & IEEE80211_F_PMGTON) { 676 ic->ic_flags &= ~IEEE80211_F_PMGTON; 677 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 678 } 679 } 680 break; 681 case WI_RID_MAX_SLEEP: 682 if (len != 2) 683 return EINVAL; 684 ic->ic_lintval = le16toh(wreq.wi_val[0]); 685 if (ic->ic_flags & IEEE80211_F_PMGTON) 686 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 687 break; 688 case WI_RID_CUR_BEACON_INT: 689 return EPERM; 690 case WI_RID_WEP_AVAIL: 691 return EPERM; 692 case WI_RID_CNFAUTHMODE: 693 if (len != 2) 694 return EINVAL; 695 i = le16toh(wreq.wi_val[0]); 696 if (i > IEEE80211_AUTH_WPA) 697 return EINVAL; 698 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 699 error = ENETRESET; 700 break; 701 case WI_RID_ENCRYPTION: 702 if (len != 2) 703 return EINVAL; 704 if (wreq.wi_val[0] != 0) { 705 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 706 return EINVAL; 707 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 708 ic->ic_flags |= IEEE80211_F_PRIVACY; 709 error = ENETRESET; 710 } 711 } else { 712 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 713 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 714 error = ENETRESET; 715 } 716 } 717 break; 718 case WI_RID_TX_CRYPT_KEY: 719 if (len != 2) 720 return EINVAL; 721 i = le16toh(wreq.wi_val[0]); 722 if (i >= IEEE80211_WEP_NKID) 723 return EINVAL; 724 ic->ic_def_txkey = i; 725 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 726 break; 727 case WI_RID_DEFLT_CRYPT_KEYS: 728 if (len != sizeof(struct wi_ltv_keys)) 729 return EINVAL; 730 keys = (struct wi_ltv_keys *)&wreq; 731 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 732 len = le16toh(keys->wi_keys[i].wi_keylen); 733 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 734 return EINVAL; 735 if (len > IEEE80211_KEYBUF_SIZE) 736 return EINVAL; 737 } 738 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 739 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 740 741 len = le16toh(keys->wi_keys[i].wi_keylen); 742 k->wk_keylen = len; 743 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 744 memset(k->wk_key, 0, sizeof(k->wk_key)); 745 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 746#if 0 747 k->wk_type = IEEE80211_CIPHER_WEP; 748#endif 749 } 750 error = ENETRESET; 751 break; 752 case WI_RID_MAX_DATALEN: 753 if (len != 2) 754 return EINVAL; 755 len = le16toh(wreq.wi_val[0]); 756 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 757 return EINVAL; 758 ic->ic_fragthreshold = len; 759 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 760 break; 761 case WI_RID_IFACE_STATS: 762 error = EPERM; 763 break; 764 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 765 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 766 break; 767 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 768 if (error == 0) 769 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 770 break; 771 case WI_RID_SCAN_APS: 772 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 773 break; 774 len--; /* XXX: tx rate? */ 775 /* FALLTHRU */ 776 case WI_RID_CHANNEL_LIST: 777 memset(chanlist, 0, sizeof(chanlist)); 778 /* 779 * Since channel 0 is not available for DS, channel 1 780 * is assigned to LSB on WaveLAN. 781 */ 782 if (ic->ic_phytype == IEEE80211_T_DS) 783 i = 1; 784 else 785 i = 0; 786 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 787 if ((j / 8) >= len) 788 break; 789 if (isclr((u_int8_t *)wreq.wi_val, j)) 790 continue; 791 if (isclr(ic->ic_chan_active, i)) { 792 if (wreq.wi_type != WI_RID_CHANNEL_LIST) 793 continue; 794 if (isclr(ic->ic_chan_avail, i)) 795 return EPERM; 796 } 797 setbit(chanlist, i); 798 } 799 error = ieee80211_setupscan(ic, chanlist); 800 if (wreq.wi_type == WI_RID_CHANNEL_LIST) { 801 /* NB: ignore error from ieee80211_setupscan */ 802 error = ENETRESET; 803 } else if (error == 0) 804 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 805 break; 806 default: 807 error = EINVAL; 808 break; 809 } 810 if (error == ENETRESET && !IS_UP_AUTO(ic)) 811 error = 0; 812 return error; 813} 814 815static int 816cap2cipher(int flag) 817{ 818 switch (flag) { 819 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 820 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 821 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 822 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 823 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 824 } 825 return -1; 826} 827 828static int 829ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 830{ 831 struct ieee80211_node *ni; 832 struct ieee80211req_key ik; 833 struct ieee80211_key *wk; 834 const struct ieee80211_cipher *cip; 835 u_int kid; 836 int error; 837 838 if (ireq->i_len != sizeof(ik)) 839 return EINVAL; 840 error = copyin(ireq->i_data, &ik, sizeof(ik)); 841 if (error) 842 return error; 843 kid = ik.ik_keyix; 844 if (kid == IEEE80211_KEYIX_NONE) { 845 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 846 if (ni == NULL) 847 return EINVAL; /* XXX */ 848 wk = &ni->ni_ucastkey; 849 } else { 850 if (kid >= IEEE80211_WEP_NKID) 851 return EINVAL; 852 wk = &ic->ic_nw_keys[kid]; 853 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 854 ni = NULL; 855 } 856 cip = wk->wk_cipher; 857 ik.ik_type = cip->ic_cipher; 858 ik.ik_keylen = wk->wk_keylen; 859 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 860 if (wk->wk_keyix == ic->ic_def_txkey) 861 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 862 if (suser(curthread) == 0) { 863 /* NB: only root can read key data */ 864 ik.ik_keyrsc = wk->wk_keyrsc; 865 ik.ik_keytsc = wk->wk_keytsc; 866 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 867 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 868 memcpy(ik.ik_keydata+wk->wk_keylen, 869 wk->wk_key + IEEE80211_KEYBUF_SIZE, 870 IEEE80211_MICBUF_SIZE); 871 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 872 } 873 } else { 874 ik.ik_keyrsc = 0; 875 ik.ik_keytsc = 0; 876 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 877 } 878 if (ni != NULL) 879 ieee80211_free_node(ni); 880 return copyout(&ik, ireq->i_data, sizeof(ik)); 881} 882 883static int 884ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 885{ 886 887 if (sizeof(ic->ic_chan_active) < ireq->i_len) 888 ireq->i_len = sizeof(ic->ic_chan_active); 889 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 890} 891 892static int 893ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 894{ 895 struct ieee80211req_chaninfo chans; /* XXX off stack? */ 896 int i, space; 897 898 /* 899 * Since channel 0 is not available for DS, channel 1 900 * is assigned to LSB on WaveLAN. 901 */ 902 if (ic->ic_phytype == IEEE80211_T_DS) 903 i = 1; 904 else 905 i = 0; 906 memset(&chans, 0, sizeof(chans)); 907 for (; i <= IEEE80211_CHAN_MAX; i++) 908 if (isset(ic->ic_chan_avail, i)) { 909 struct ieee80211_channel *c = &ic->ic_channels[i]; 910 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; 911 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; 912 chans.ic_nchans++; 913 } 914 space = __offsetof(struct ieee80211req_chaninfo, 915 ic_chans[chans.ic_nchans]); 916 if (space > ireq->i_len) 917 space = ireq->i_len; 918 return copyout(&chans, ireq->i_data, space); 919} 920 921static int 922ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 923{ 924 struct ieee80211_node *ni; 925 struct ieee80211req_wpaie wpaie; 926 int error; 927 928 if (ireq->i_len < IEEE80211_ADDR_LEN) 929 return EINVAL; 930 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 931 if (error != 0) 932 return error; 933 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 934 if (ni == NULL) 935 return EINVAL; /* XXX */ 936 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 937 if (ni->ni_wpa_ie != NULL) { 938 int ielen = ni->ni_wpa_ie[1] + 2; 939 if (ielen > sizeof(wpaie.wpa_ie)) 940 ielen = sizeof(wpaie.wpa_ie); 941 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 942 } 943 ieee80211_free_node(ni); 944 if (ireq->i_len > sizeof(wpaie)) 945 ireq->i_len = sizeof(wpaie); 946 return copyout(&wpaie, ireq->i_data, ireq->i_len); 947} 948 949static int 950ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 951{ 952 struct ieee80211_node *ni; 953 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 954 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 955 int error; 956 957 if (ireq->i_len < off) 958 return EINVAL; 959 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 960 if (error != 0) 961 return error; 962 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 963 if (ni == NULL) 964 return EINVAL; /* XXX */ 965 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 966 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 967 /* NB: copy out only the statistics */ 968 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 969 ireq->i_len - off); 970 ieee80211_free_node(ni); 971 return error; 972} 973 974static void 975get_scan_result(struct ieee80211req_scan_result *sr, 976 const struct ieee80211_node *ni) 977{ 978 struct ieee80211com *ic = ni->ni_ic; 979 980 memset(sr, 0, sizeof(*sr)); 981 sr->isr_ssid_len = ni->ni_esslen; 982 if (ni->ni_wpa_ie != NULL) 983 sr->isr_ie_len += 2+ni->ni_wpa_ie[1]; 984 if (ni->ni_wme_ie != NULL) 985 sr->isr_ie_len += 2+ni->ni_wme_ie[1]; 986 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 987 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 988 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 989 sr->isr_freq = ni->ni_chan->ic_freq; 990 sr->isr_flags = ni->ni_chan->ic_flags; 991 } 992 sr->isr_rssi = ic->ic_node_getrssi(ni); 993 sr->isr_intval = ni->ni_intval; 994 sr->isr_capinfo = ni->ni_capinfo; 995 sr->isr_erp = ni->ni_erp; 996 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 997 sr->isr_nrates = ni->ni_rates.rs_nrates; 998 if (sr->isr_nrates > 15) 999 sr->isr_nrates = 15; 1000 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1001} 1002 1003static int 1004ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1005{ 1006 union { 1007 struct ieee80211req_scan_result res; 1008 char data[512]; /* XXX shrink? */ 1009 } u; 1010 struct ieee80211req_scan_result *sr = &u.res; 1011 struct ieee80211_node_table *nt; 1012 struct ieee80211_node *ni; 1013 int error, space; 1014 u_int8_t *p, *cp; 1015 1016 p = ireq->i_data; 1017 space = ireq->i_len; 1018 error = 0; 1019 /* XXX locking */ 1020 nt = &ic->ic_scan; 1021 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1022 /* NB: skip pre-scan node state */ 1023 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1024 continue; 1025 get_scan_result(sr, ni); 1026 if (sr->isr_len > sizeof(u)) 1027 continue; /* XXX */ 1028 if (space < sr->isr_len) 1029 break; 1030 cp = (u_int8_t *)(sr+1); 1031 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1032 cp += ni->ni_esslen; 1033 if (ni->ni_wpa_ie != NULL) { 1034 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1035 cp += 2+ni->ni_wpa_ie[1]; 1036 } 1037 if (ni->ni_wme_ie != NULL) { 1038 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1039 cp += 2+ni->ni_wme_ie[1]; 1040 } 1041 error = copyout(sr, p, sr->isr_len); 1042 if (error) 1043 break; 1044 p += sr->isr_len; 1045 space -= sr->isr_len; 1046 } 1047 ireq->i_len -= space; 1048 return error; 1049} 1050 1051struct stainforeq { 1052 struct ieee80211com *ic; 1053 struct ieee80211req_sta_info *si; 1054 size_t space; 1055}; 1056 1057static size_t 1058sta_space(const struct ieee80211_node *ni, size_t *ielen) 1059{ 1060 *ielen = 0; 1061 if (ni->ni_wpa_ie != NULL) 1062 *ielen += 2+ni->ni_wpa_ie[1]; 1063 if (ni->ni_wme_ie != NULL) 1064 *ielen += 2+ni->ni_wme_ie[1]; 1065 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 1066 sizeof(u_int32_t)); 1067} 1068 1069static void 1070get_sta_space(void *arg, struct ieee80211_node *ni) 1071{ 1072 struct stainforeq *req = arg; 1073 struct ieee80211com *ic = ni->ni_ic; 1074 size_t ielen; 1075 1076 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1077 ni->ni_associd == 0) /* only associated stations */ 1078 return; 1079 req->space += sta_space(ni, &ielen); 1080} 1081 1082static void 1083get_sta_info(void *arg, struct ieee80211_node *ni) 1084{ 1085 struct stainforeq *req = arg; 1086 struct ieee80211com *ic = ni->ni_ic; 1087 struct ieee80211req_sta_info *si; 1088 size_t ielen, len; 1089 u_int8_t *cp; 1090 1091 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1092 ni->ni_associd == 0) /* only associated stations */ 1093 return; 1094 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 1095 return; 1096 len = sta_space(ni, &ielen); 1097 if (len > req->space) 1098 return; 1099 si = req->si; 1100 si->isi_len = len; 1101 si->isi_ie_len = ielen; 1102 si->isi_freq = ni->ni_chan->ic_freq; 1103 si->isi_flags = ni->ni_chan->ic_flags; 1104 si->isi_state = ni->ni_flags; 1105 si->isi_authmode = ni->ni_authmode; 1106 si->isi_rssi = ic->ic_node_getrssi(ni); 1107 si->isi_capinfo = ni->ni_capinfo; 1108 si->isi_erp = ni->ni_erp; 1109 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1110 si->isi_nrates = ni->ni_rates.rs_nrates; 1111 if (si->isi_nrates > 15) 1112 si->isi_nrates = 15; 1113 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1114 si->isi_txrate = ni->ni_txrate; 1115 si->isi_associd = ni->ni_associd; 1116 si->isi_txpower = ni->ni_txpower; 1117 si->isi_vlan = ni->ni_vlan; 1118 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1119 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1120 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1121 } else { 1122 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1123 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1124 } 1125 /* NB: leave all cases in case we relax ni_associd == 0 check */ 1126 if (ieee80211_node_is_authorized(ni)) 1127 si->isi_inact = ic->ic_inact_run; 1128 else if (ni->ni_associd != 0) 1129 si->isi_inact = ic->ic_inact_auth; 1130 else 1131 si->isi_inact = ic->ic_inact_init; 1132 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1133 1134 cp = (u_int8_t *)(si+1); 1135 if (ni->ni_wpa_ie != NULL) { 1136 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1137 cp += 2+ni->ni_wpa_ie[1]; 1138 } 1139 if (ni->ni_wme_ie != NULL) { 1140 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1141 cp += 2+ni->ni_wme_ie[1]; 1142 } 1143 1144 req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len); 1145 req->space -= len; 1146} 1147 1148static int 1149ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1150{ 1151 struct stainforeq req; 1152 int error; 1153 1154 if (ireq->i_len < sizeof(struct stainforeq)) 1155 return EFAULT; 1156 1157 error = 0; 1158 req.space = 0; 1159 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 1160 if (req.space > ireq->i_len) 1161 req.space = ireq->i_len; 1162 if (req.space > 0) { 1163 size_t space; 1164 void *p; 1165 1166 space = req.space; 1167 /* XXX M_WAITOK after driver lock released */ 1168 MALLOC(p, void *, space, M_TEMP, M_NOWAIT); 1169 if (p == NULL) 1170 return ENOMEM; 1171 req.si = p; 1172 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 1173 ireq->i_len = space - req.space; 1174 error = copyout(p, ireq->i_data, ireq->i_len); 1175 FREE(p, M_TEMP); 1176 } else 1177 ireq->i_len = 0; 1178 1179 return error; 1180} 1181 1182static int 1183ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1184{ 1185 struct ieee80211_node *ni; 1186 struct ieee80211req_sta_txpow txpow; 1187 int error; 1188 1189 if (ireq->i_len != sizeof(txpow)) 1190 return EINVAL; 1191 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1192 if (error != 0) 1193 return error; 1194 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1195 if (ni == NULL) 1196 return EINVAL; /* XXX */ 1197 txpow.it_txpow = ni->ni_txpower; 1198 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1199 ieee80211_free_node(ni); 1200 return error; 1201} 1202 1203static int 1204ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1205{ 1206 struct ieee80211_wme_state *wme = &ic->ic_wme; 1207 struct wmeParams *wmep; 1208 int ac; 1209 1210 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1211 return EINVAL; 1212 1213 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1214 if (ac >= WME_NUM_AC) 1215 ac = WME_AC_BE; 1216 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1217 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1218 else 1219 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1220 switch (ireq->i_type) { 1221 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1222 ireq->i_val = wmep->wmep_logcwmin; 1223 break; 1224 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1225 ireq->i_val = wmep->wmep_logcwmax; 1226 break; 1227 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1228 ireq->i_val = wmep->wmep_aifsn; 1229 break; 1230 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1231 ireq->i_val = wmep->wmep_txopLimit; 1232 break; 1233 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1234 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1235 ireq->i_val = wmep->wmep_acm; 1236 break; 1237 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1238 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1239 ireq->i_val = !wmep->wmep_noackPolicy; 1240 break; 1241 } 1242 return 0; 1243} 1244 1245static int 1246ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1247{ 1248 const struct ieee80211_aclator *acl = ic->ic_acl; 1249 1250 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); 1251} 1252 1253/* 1254 * When building the kernel with -O2 on the i386 architecture, gcc 1255 * seems to want to inline this function into ieee80211_ioctl() 1256 * (which is the only routine that calls it). When this happens, 1257 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1258 * space. (Exactly why it needs so much is unclear.) The problem 1259 * is that it's possible for ieee80211_ioctl() to invoke other 1260 * routines (including driver init functions) which could then find 1261 * themselves perilously close to exhausting the stack. 1262 * 1263 * To avoid this, we deliberately prevent gcc from inlining this 1264 * routine. Another way to avoid this is to use less agressive 1265 * optimization when compiling this file (i.e. -O instead of -O2) 1266 * but special-casing the compilation of this one module in the 1267 * build system would be awkward. 1268 */ 1269#ifdef __GNUC__ 1270__attribute__ ((noinline)) 1271#endif 1272static int 1273ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1274{ 1275 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1276 int error = 0; 1277 u_int kid, len, m; 1278 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1279 char tmpssid[IEEE80211_NWID_LEN]; 1280 1281 switch (ireq->i_type) { 1282 case IEEE80211_IOC_SSID: 1283 switch (ic->ic_state) { 1284 case IEEE80211_S_INIT: 1285 case IEEE80211_S_SCAN: 1286 ireq->i_len = ic->ic_des_esslen; 1287 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1288 break; 1289 default: 1290 ireq->i_len = ic->ic_bss->ni_esslen; 1291 memcpy(tmpssid, ic->ic_bss->ni_essid, 1292 ireq->i_len); 1293 break; 1294 } 1295 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1296 break; 1297 case IEEE80211_IOC_NUMSSIDS: 1298 ireq->i_val = 1; 1299 break; 1300 case IEEE80211_IOC_WEP: 1301 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1302 ireq->i_val = IEEE80211_WEP_OFF; 1303 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1304 ireq->i_val = IEEE80211_WEP_ON; 1305 else 1306 ireq->i_val = IEEE80211_WEP_MIXED; 1307 break; 1308 case IEEE80211_IOC_WEPKEY: 1309 kid = (u_int) ireq->i_val; 1310 if (kid >= IEEE80211_WEP_NKID) 1311 return EINVAL; 1312 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1313 /* NB: only root can read WEP keys */ 1314 if (suser(curthread) == 0) { 1315 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1316 } else { 1317 bzero(tmpkey, len); 1318 } 1319 ireq->i_len = len; 1320 error = copyout(tmpkey, ireq->i_data, len); 1321 break; 1322 case IEEE80211_IOC_NUMWEPKEYS: 1323 ireq->i_val = IEEE80211_WEP_NKID; 1324 break; 1325 case IEEE80211_IOC_WEPTXKEY: 1326 ireq->i_val = ic->ic_def_txkey; 1327 break; 1328 case IEEE80211_IOC_AUTHMODE: 1329 if (ic->ic_flags & IEEE80211_F_WPA) 1330 ireq->i_val = IEEE80211_AUTH_WPA; 1331 else 1332 ireq->i_val = ic->ic_bss->ni_authmode; 1333 break; 1334 case IEEE80211_IOC_CHANNEL: 1335 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 1336 break; 1337 case IEEE80211_IOC_POWERSAVE: 1338 if (ic->ic_flags & IEEE80211_F_PMGTON) 1339 ireq->i_val = IEEE80211_POWERSAVE_ON; 1340 else 1341 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1342 break; 1343 case IEEE80211_IOC_POWERSAVESLEEP: 1344 ireq->i_val = ic->ic_lintval; 1345 break; 1346 case IEEE80211_IOC_RTSTHRESHOLD: 1347 ireq->i_val = ic->ic_rtsthreshold; 1348 break; 1349 case IEEE80211_IOC_PROTMODE: 1350 ireq->i_val = ic->ic_protmode; 1351 break; 1352 case IEEE80211_IOC_TXPOWER: 1353 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1354 return EINVAL; 1355 ireq->i_val = ic->ic_txpowlimit; 1356 break; 1357 case IEEE80211_IOC_MCASTCIPHER: 1358 ireq->i_val = rsn->rsn_mcastcipher; 1359 break; 1360 case IEEE80211_IOC_MCASTKEYLEN: 1361 ireq->i_val = rsn->rsn_mcastkeylen; 1362 break; 1363 case IEEE80211_IOC_UCASTCIPHERS: 1364 ireq->i_val = 0; 1365 for (m = 0x1; m != 0; m <<= 1) 1366 if (rsn->rsn_ucastcipherset & m) 1367 ireq->i_val |= 1<<cap2cipher(m); 1368 break; 1369 case IEEE80211_IOC_UCASTCIPHER: 1370 ireq->i_val = rsn->rsn_ucastcipher; 1371 break; 1372 case IEEE80211_IOC_UCASTKEYLEN: 1373 ireq->i_val = rsn->rsn_ucastkeylen; 1374 break; 1375 case IEEE80211_IOC_KEYMGTALGS: 1376 ireq->i_val = rsn->rsn_keymgmtset; 1377 break; 1378 case IEEE80211_IOC_RSNCAPS: 1379 ireq->i_val = rsn->rsn_caps; 1380 break; 1381 case IEEE80211_IOC_WPA: 1382 switch (ic->ic_flags & IEEE80211_F_WPA) { 1383 case IEEE80211_F_WPA1: 1384 ireq->i_val = 1; 1385 break; 1386 case IEEE80211_F_WPA2: 1387 ireq->i_val = 2; 1388 break; 1389 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1390 ireq->i_val = 3; 1391 break; 1392 default: 1393 ireq->i_val = 0; 1394 break; 1395 } 1396 break; 1397 case IEEE80211_IOC_CHANLIST: 1398 error = ieee80211_ioctl_getchanlist(ic, ireq); 1399 break; 1400 case IEEE80211_IOC_ROAMING: 1401 ireq->i_val = ic->ic_roaming; 1402 break; 1403 case IEEE80211_IOC_PRIVACY: 1404 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1405 break; 1406 case IEEE80211_IOC_DROPUNENCRYPTED: 1407 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1408 break; 1409 case IEEE80211_IOC_COUNTERMEASURES: 1410 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1411 break; 1412 case IEEE80211_IOC_DRIVER_CAPS: 1413 ireq->i_val = ic->ic_caps>>16; 1414 ireq->i_len = ic->ic_caps&0xffff; 1415 break; 1416 case IEEE80211_IOC_WME: 1417 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1418 break; 1419 case IEEE80211_IOC_HIDESSID: 1420 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1421 break; 1422 case IEEE80211_IOC_APBRIDGE: 1423 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1424 break; 1425 case IEEE80211_IOC_OPTIE: 1426 if (ic->ic_opt_ie == NULL) 1427 return EINVAL; 1428 /* NB: truncate, caller can check length */ 1429 if (ireq->i_len > ic->ic_opt_ie_len) 1430 ireq->i_len = ic->ic_opt_ie_len; 1431 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1432 break; 1433 case IEEE80211_IOC_WPAKEY: 1434 error = ieee80211_ioctl_getkey(ic, ireq); 1435 break; 1436 case IEEE80211_IOC_CHANINFO: 1437 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1438 break; 1439 case IEEE80211_IOC_BSSID: 1440 if (ireq->i_len != IEEE80211_ADDR_LEN) 1441 return EINVAL; 1442 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1443 ic->ic_bss->ni_bssid : 1444 ic->ic_des_bssid, 1445 ireq->i_data, ireq->i_len); 1446 break; 1447 case IEEE80211_IOC_WPAIE: 1448 error = ieee80211_ioctl_getwpaie(ic, ireq); 1449 break; 1450 case IEEE80211_IOC_SCAN_RESULTS: 1451 error = ieee80211_ioctl_getscanresults(ic, ireq); 1452 break; 1453 case IEEE80211_IOC_STA_STATS: 1454 error = ieee80211_ioctl_getstastats(ic, ireq); 1455 break; 1456 case IEEE80211_IOC_TXPOWMAX: 1457 ireq->i_val = ic->ic_bss->ni_txpower; 1458 break; 1459 case IEEE80211_IOC_STA_TXPOW: 1460 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1461 break; 1462 case IEEE80211_IOC_STA_INFO: 1463 error = ieee80211_ioctl_getstainfo(ic, ireq); 1464 break; 1465 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1466 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1467 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1468 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1469 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1470 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1471 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1472 break; 1473 case IEEE80211_IOC_DTIM_PERIOD: 1474 ireq->i_val = ic->ic_dtim_period; 1475 break; 1476 case IEEE80211_IOC_BEACON_INTERVAL: 1477 /* NB: get from ic_bss for station mode */ 1478 ireq->i_val = ic->ic_bss->ni_intval; 1479 break; 1480 case IEEE80211_IOC_PUREG: 1481 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1482 break; 1483 case IEEE80211_IOC_MCAST_RATE: 1484 ireq->i_val = ic->ic_mcast_rate; 1485 break; 1486 case IEEE80211_IOC_FRAGTHRESHOLD: 1487 ireq->i_val = ic->ic_fragthreshold; 1488 break; 1489 case IEEE80211_IOC_MACCMD: 1490 error = ieee80211_ioctl_getmaccmd(ic, ireq); 1491 break; 1492 default: 1493 error = EINVAL; 1494 break; 1495 } 1496 return error; 1497} 1498 1499static int 1500ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1501{ 1502 int error; 1503 void *ie; 1504 1505 /* 1506 * NB: Doing this for ap operation could be useful (e.g. for 1507 * WPA and/or WME) except that it typically is worthless 1508 * without being able to intervene when processing 1509 * association response frames--so disallow it for now. 1510 */ 1511 if (ic->ic_opmode != IEEE80211_M_STA) 1512 return EINVAL; 1513 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1514 return EINVAL; 1515 MALLOC(ie, void *, ireq->i_len, M_DEVBUF, M_NOWAIT); 1516 if (ie == NULL) 1517 return ENOMEM; 1518 error = copyin(ireq->i_data, ie, ireq->i_len); 1519 /* XXX sanity check data? */ 1520 if (ic->ic_opt_ie != NULL) 1521 FREE(ic->ic_opt_ie, M_DEVBUF); 1522 ic->ic_opt_ie = ie; 1523 ic->ic_opt_ie_len = ireq->i_len; 1524 return 0; 1525} 1526 1527static int 1528ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1529{ 1530 struct ieee80211req_key ik; 1531 struct ieee80211_node *ni; 1532 struct ieee80211_key *wk; 1533 u_int16_t kid; 1534 int error; 1535 1536 if (ireq->i_len != sizeof(ik)) 1537 return EINVAL; 1538 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1539 if (error) 1540 return error; 1541 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1542 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1543 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1544 return E2BIG; 1545 kid = ik.ik_keyix; 1546 if (kid == IEEE80211_KEYIX_NONE) { 1547 /* XXX unicast keys currently must be tx/rx */ 1548 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1549 return EINVAL; 1550 if (ic->ic_opmode == IEEE80211_M_STA) { 1551 ni = ieee80211_ref_node(ic->ic_bss); 1552 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1553 ieee80211_free_node(ni); 1554 return EADDRNOTAVAIL; 1555 } 1556 } else { 1557 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1558 if (ni == NULL) 1559 return ENOENT; 1560 } 1561 wk = &ni->ni_ucastkey; 1562 } else { 1563 if (kid >= IEEE80211_WEP_NKID) 1564 return EINVAL; 1565 wk = &ic->ic_nw_keys[kid]; 1566 ni = NULL; 1567 } 1568 error = 0; 1569 ieee80211_key_update_begin(ic); 1570 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1571 wk->wk_keylen = ik.ik_keylen; 1572 /* NB: MIC presence is implied by cipher type */ 1573 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1574 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1575 wk->wk_keyrsc = ik.ik_keyrsc; 1576 wk->wk_keytsc = 0; /* new key, reset */ 1577 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1578 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1579 if (!ieee80211_crypto_setkey(ic, wk, 1580 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1581 error = EIO; 1582 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1583 ic->ic_def_txkey = kid; 1584 } else 1585 error = ENXIO; 1586 ieee80211_key_update_end(ic); 1587 if (ni != NULL) 1588 ieee80211_free_node(ni); 1589 return error; 1590} 1591 1592static int 1593ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1594{ 1595 struct ieee80211req_del_key dk; 1596 int kid, error; 1597 1598 if (ireq->i_len != sizeof(dk)) 1599 return EINVAL; 1600 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1601 if (error) 1602 return error; 1603 kid = dk.idk_keyix; 1604 /* XXX u_int8_t -> u_int16_t */ 1605 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1606 struct ieee80211_node *ni; 1607 1608 if (ic->ic_opmode == IEEE80211_M_STA) { 1609 ni = ieee80211_ref_node(ic->ic_bss); 1610 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1611 ieee80211_free_node(ni); 1612 return EADDRNOTAVAIL; 1613 } 1614 } else { 1615 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1616 if (ni == NULL) 1617 return ENOENT; 1618 } 1619 /* XXX error return */ 1620 ieee80211_node_delucastkey(ni); 1621 ieee80211_free_node(ni); 1622 } else { 1623 if (kid >= IEEE80211_WEP_NKID) 1624 return EINVAL; 1625 /* XXX error return */ 1626 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1627 } 1628 return 0; 1629} 1630 1631static void 1632domlme(void *arg, struct ieee80211_node *ni) 1633{ 1634 struct ieee80211com *ic = ni->ni_ic; 1635 struct ieee80211req_mlme *mlme = arg; 1636 1637 if (ni->ni_associd != 0) { 1638 IEEE80211_SEND_MGMT(ic, ni, 1639 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1640 IEEE80211_FC0_SUBTYPE_DEAUTH : 1641 IEEE80211_FC0_SUBTYPE_DISASSOC, 1642 mlme->im_reason); 1643 } 1644 ieee80211_node_leave(ic, ni); 1645} 1646 1647static int 1648ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1649{ 1650 struct ieee80211req_mlme mlme; 1651 struct ieee80211_node *ni; 1652 int error; 1653 1654 if (ireq->i_len != sizeof(mlme)) 1655 return EINVAL; 1656 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1657 if (error) 1658 return error; 1659 switch (mlme.im_op) { 1660 case IEEE80211_MLME_ASSOC: 1661 if (ic->ic_opmode != IEEE80211_M_STA) 1662 return EINVAL; 1663 /* XXX must be in S_SCAN state? */ 1664 1665 if (mlme.im_ssid_len != 0) { 1666 /* 1667 * Desired ssid specified; must match both bssid and 1668 * ssid to distinguish ap advertising multiple ssid's. 1669 */ 1670 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1671 mlme.im_macaddr, 1672 mlme.im_ssid_len, mlme.im_ssid); 1673 } else { 1674 /* 1675 * Normal case; just match bssid. 1676 */ 1677 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1678 } 1679 if (ni == NULL) 1680 return EINVAL; 1681 if (!ieee80211_sta_join(ic, ni)) { 1682 ieee80211_free_node(ni); 1683 return EINVAL; 1684 } 1685 break; 1686 case IEEE80211_MLME_DISASSOC: 1687 case IEEE80211_MLME_DEAUTH: 1688 switch (ic->ic_opmode) { 1689 case IEEE80211_M_STA: 1690 /* XXX not quite right */ 1691 ieee80211_new_state(ic, IEEE80211_S_INIT, 1692 mlme.im_reason); 1693 break; 1694 case IEEE80211_M_HOSTAP: 1695 /* NB: the broadcast address means do 'em all */ 1696 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1697 if ((ni = ieee80211_find_node(&ic->ic_sta, 1698 mlme.im_macaddr)) == NULL) 1699 return EINVAL; 1700 domlme(&mlme, ni); 1701 ieee80211_free_node(ni); 1702 } else { 1703 ieee80211_iterate_nodes(&ic->ic_sta, 1704 domlme, &mlme); 1705 } 1706 break; 1707 default: 1708 return EINVAL; 1709 } 1710 break; 1711 case IEEE80211_MLME_AUTHORIZE: 1712 case IEEE80211_MLME_UNAUTHORIZE: 1713 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1714 return EINVAL; 1715 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1716 if (ni == NULL) 1717 return EINVAL; 1718 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1719 ieee80211_node_authorize(ni); 1720 else 1721 ieee80211_node_unauthorize(ni); 1722 ieee80211_free_node(ni); 1723 break; 1724 default: 1725 return EINVAL; 1726 } 1727 return 0; 1728} 1729 1730static int 1731ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1732{ 1733 u_int8_t mac[IEEE80211_ADDR_LEN]; 1734 const struct ieee80211_aclator *acl = ic->ic_acl; 1735 int error; 1736 1737 if (ireq->i_len != sizeof(mac)) 1738 return EINVAL; 1739 error = copyin(ireq->i_data, mac, ireq->i_len); 1740 if (error) 1741 return error; 1742 if (acl == NULL) { 1743 acl = ieee80211_aclator_get("mac"); 1744 if (acl == NULL || !acl->iac_attach(ic)) 1745 return EINVAL; 1746 ic->ic_acl = acl; 1747 } 1748 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1749 acl->iac_add(ic, mac); 1750 else 1751 acl->iac_remove(ic, mac); 1752 return 0; 1753} 1754 1755static int 1756ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1757{ 1758 const struct ieee80211_aclator *acl = ic->ic_acl; 1759 1760 switch (ireq->i_val) { 1761 case IEEE80211_MACCMD_POLICY_OPEN: 1762 case IEEE80211_MACCMD_POLICY_ALLOW: 1763 case IEEE80211_MACCMD_POLICY_DENY: 1764 if (acl == NULL) { 1765 acl = ieee80211_aclator_get("mac"); 1766 if (acl == NULL || !acl->iac_attach(ic)) 1767 return EINVAL; 1768 ic->ic_acl = acl; 1769 } 1770 acl->iac_setpolicy(ic, ireq->i_val); 1771 break; 1772 case IEEE80211_MACCMD_FLUSH: 1773 if (acl != NULL) 1774 acl->iac_flush(ic); 1775 /* NB: silently ignore when not in use */ 1776 break; 1777 case IEEE80211_MACCMD_DETACH: 1778 if (acl != NULL) { 1779 ic->ic_acl = NULL; 1780 acl->iac_detach(ic); 1781 } 1782 break; 1783 default: 1784 if (acl == NULL) 1785 return EINVAL; 1786 else 1787 return acl->iac_setioctl(ic, ireq); 1788 } 1789 return 0; 1790} 1791 1792static int 1793ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1794{ 1795 struct ieee80211req_chanlist list; 1796 u_char chanlist[IEEE80211_CHAN_BYTES]; 1797 int i, j, error; 1798 1799 if (ireq->i_len != sizeof(list)) 1800 return EINVAL; 1801 error = copyin(ireq->i_data, &list, sizeof(list)); 1802 if (error) 1803 return error; 1804 memset(chanlist, 0, sizeof(chanlist)); 1805 /* 1806 * Since channel 0 is not available for DS, channel 1 1807 * is assigned to LSB on WaveLAN. 1808 */ 1809 if (ic->ic_phytype == IEEE80211_T_DS) 1810 i = 1; 1811 else 1812 i = 0; 1813 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1814 /* 1815 * NB: silently discard unavailable channels so users 1816 * can specify 1-255 to get all available channels. 1817 */ 1818 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1819 setbit(chanlist, i); 1820 } 1821 if (ic->ic_ibss_chan == NULL || 1822 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1823 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1824 if (isset(chanlist, i)) { 1825 ic->ic_ibss_chan = &ic->ic_channels[i]; 1826 goto found; 1827 } 1828 return EINVAL; /* no active channels */ 1829found: 1830 ; 1831 } 1832 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1833 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1834} 1835 1836static int 1837ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1838{ 1839 struct ieee80211_node *ni; 1840 struct ieee80211req_sta_txpow txpow; 1841 int error; 1842 1843 if (ireq->i_len != sizeof(txpow)) 1844 return EINVAL; 1845 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1846 if (error != 0) 1847 return error; 1848 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1849 if (ni == NULL) 1850 return EINVAL; /* XXX */ 1851 ni->ni_txpower = txpow.it_txpow; 1852 ieee80211_free_node(ni); 1853 return error; 1854} 1855 1856static int 1857ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1858{ 1859 struct ieee80211_wme_state *wme = &ic->ic_wme; 1860 struct wmeParams *wmep, *chanp; 1861 int isbss, ac; 1862 1863 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1864 return EINVAL; 1865 1866 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1867 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1868 if (ac >= WME_NUM_AC) 1869 ac = WME_AC_BE; 1870 if (isbss) { 1871 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1872 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1873 } else { 1874 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1875 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1876 } 1877 switch (ireq->i_type) { 1878 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1879 if (isbss) { 1880 wmep->wmep_logcwmin = ireq->i_val; 1881 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1882 chanp->wmep_logcwmin = ireq->i_val; 1883 } else { 1884 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1885 ireq->i_val; 1886 } 1887 break; 1888 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1889 if (isbss) { 1890 wmep->wmep_logcwmax = ireq->i_val; 1891 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1892 chanp->wmep_logcwmax = ireq->i_val; 1893 } else { 1894 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1895 ireq->i_val; 1896 } 1897 break; 1898 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1899 if (isbss) { 1900 wmep->wmep_aifsn = ireq->i_val; 1901 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1902 chanp->wmep_aifsn = ireq->i_val; 1903 } else { 1904 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1905 } 1906 break; 1907 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1908 if (isbss) { 1909 wmep->wmep_txopLimit = ireq->i_val; 1910 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1911 chanp->wmep_txopLimit = ireq->i_val; 1912 } else { 1913 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1914 ireq->i_val; 1915 } 1916 break; 1917 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1918 wmep->wmep_acm = ireq->i_val; 1919 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1920 chanp->wmep_acm = ireq->i_val; 1921 break; 1922 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1923 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1924 (ireq->i_val) == 0; 1925 break; 1926 } 1927 ieee80211_wme_updateparams(ic); 1928 return 0; 1929} 1930 1931static int 1932cipher2cap(int cipher) 1933{ 1934 switch (cipher) { 1935 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 1936 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 1937 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 1938 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 1939 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 1940 } 1941 return 0; 1942} 1943 1944static int 1945ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1946{ 1947 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 1948 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1949 int error; 1950 const struct ieee80211_authenticator *auth; 1951 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1952 char tmpssid[IEEE80211_NWID_LEN]; 1953 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 1954 struct ieee80211_key *k; 1955 int j, caps; 1956 u_int kid; 1957 1958 error = 0; 1959 switch (ireq->i_type) { 1960 case IEEE80211_IOC_SSID: 1961 if (ireq->i_val != 0 || 1962 ireq->i_len > IEEE80211_NWID_LEN) 1963 return EINVAL; 1964 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 1965 if (error) 1966 break; 1967 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 1968 ic->ic_des_esslen = ireq->i_len; 1969 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 1970 error = ENETRESET; 1971 break; 1972 case IEEE80211_IOC_WEP: 1973 switch (ireq->i_val) { 1974 case IEEE80211_WEP_OFF: 1975 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 1976 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1977 break; 1978 case IEEE80211_WEP_ON: 1979 ic->ic_flags |= IEEE80211_F_PRIVACY; 1980 ic->ic_flags |= IEEE80211_F_DROPUNENC; 1981 break; 1982 case IEEE80211_WEP_MIXED: 1983 ic->ic_flags |= IEEE80211_F_PRIVACY; 1984 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1985 break; 1986 } 1987 error = ENETRESET; 1988 break; 1989 case IEEE80211_IOC_WEPKEY: 1990 kid = (u_int) ireq->i_val; 1991 if (kid >= IEEE80211_WEP_NKID) 1992 return EINVAL; 1993 k = &ic->ic_nw_keys[kid]; 1994 if (ireq->i_len == 0) { 1995 /* zero-len =>'s delete any existing key */ 1996 (void) ieee80211_crypto_delkey(ic, k); 1997 break; 1998 } 1999 if (ireq->i_len > sizeof(tmpkey)) 2000 return EINVAL; 2001 memset(tmpkey, 0, sizeof(tmpkey)); 2002 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2003 if (error) 2004 break; 2005 ieee80211_key_update_begin(ic); 2006 k->wk_keyix = kid; /* NB: force fixed key id */ 2007 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2008 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2009 k->wk_keylen = ireq->i_len; 2010 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2011 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2012 error = EINVAL; 2013 } else 2014 error = EINVAL; 2015 ieee80211_key_update_end(ic); 2016 if (!error) /* NB: for compatibility */ 2017 error = ENETRESET; 2018 break; 2019 case IEEE80211_IOC_WEPTXKEY: 2020 kid = (u_int) ireq->i_val; 2021 if (kid >= IEEE80211_WEP_NKID && 2022 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 2023 return EINVAL; 2024 ic->ic_def_txkey = kid; 2025 error = ENETRESET; /* push to hardware */ 2026 break; 2027 case IEEE80211_IOC_AUTHMODE: 2028 switch (ireq->i_val) { 2029 case IEEE80211_AUTH_WPA: 2030 case IEEE80211_AUTH_8021X: /* 802.1x */ 2031 case IEEE80211_AUTH_OPEN: /* open */ 2032 case IEEE80211_AUTH_SHARED: /* shared-key */ 2033 case IEEE80211_AUTH_AUTO: /* auto */ 2034 auth = ieee80211_authenticator_get(ireq->i_val); 2035 if (auth == NULL) 2036 return EINVAL; 2037 break; 2038 default: 2039 return EINVAL; 2040 } 2041 switch (ireq->i_val) { 2042 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2043 ic->ic_flags |= IEEE80211_F_PRIVACY; 2044 ireq->i_val = IEEE80211_AUTH_8021X; 2045 break; 2046 case IEEE80211_AUTH_OPEN: /* open */ 2047 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2048 break; 2049 case IEEE80211_AUTH_SHARED: /* shared-key */ 2050 case IEEE80211_AUTH_8021X: /* 802.1x */ 2051 ic->ic_flags &= ~IEEE80211_F_WPA; 2052 /* both require a key so mark the PRIVACY capability */ 2053 ic->ic_flags |= IEEE80211_F_PRIVACY; 2054 break; 2055 case IEEE80211_AUTH_AUTO: /* auto */ 2056 ic->ic_flags &= ~IEEE80211_F_WPA; 2057 /* XXX PRIVACY handling? */ 2058 /* XXX what's the right way to do this? */ 2059 break; 2060 } 2061 /* NB: authenticator attach/detach happens on state change */ 2062 ic->ic_bss->ni_authmode = ireq->i_val; 2063 /* XXX mixed/mode/usage? */ 2064 ic->ic_auth = auth; 2065 error = ENETRESET; 2066 break; 2067 case IEEE80211_IOC_CHANNEL: 2068 /* XXX 0xffff overflows 16-bit signed */ 2069 if (ireq->i_val == 0 || 2070 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2071 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2072 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2073 isclr(ic->ic_chan_active, ireq->i_val)) { 2074 return EINVAL; 2075 } else 2076 ic->ic_ibss_chan = ic->ic_des_chan = 2077 &ic->ic_channels[ireq->i_val]; 2078 switch (ic->ic_state) { 2079 case IEEE80211_S_INIT: 2080 case IEEE80211_S_SCAN: 2081 error = ENETRESET; 2082 break; 2083 default: 2084 /* 2085 * If the desired channel has changed (to something 2086 * other than any) and we're not already scanning, 2087 * then kick the state machine. 2088 */ 2089 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2090 ic->ic_bss->ni_chan != ic->ic_des_chan && 2091 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2092 error = ENETRESET; 2093 break; 2094 } 2095 if (error == ENETRESET && 2096 ic->ic_opmode == IEEE80211_M_MONITOR) { 2097 if (IS_UP(ic)) { 2098 /* 2099 * Monitor mode can switch directly. 2100 */ 2101 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 2102 ic->ic_curchan = ic->ic_des_chan; 2103 error = ic->ic_reset(ic->ic_ifp); 2104 } else 2105 error = 0; 2106 } 2107 break; 2108 case IEEE80211_IOC_POWERSAVE: 2109 switch (ireq->i_val) { 2110 case IEEE80211_POWERSAVE_OFF: 2111 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2112 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2113 error = ENETRESET; 2114 } 2115 break; 2116 case IEEE80211_POWERSAVE_ON: 2117 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2118 error = EINVAL; 2119 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2120 ic->ic_flags |= IEEE80211_F_PMGTON; 2121 error = ENETRESET; 2122 } 2123 break; 2124 default: 2125 error = EINVAL; 2126 break; 2127 } 2128 break; 2129 case IEEE80211_IOC_POWERSAVESLEEP: 2130 if (ireq->i_val < 0) 2131 return EINVAL; 2132 ic->ic_lintval = ireq->i_val; 2133 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2134 break; 2135 case IEEE80211_IOC_RTSTHRESHOLD: 2136 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2137 ireq->i_val <= IEEE80211_RTS_MAX)) 2138 return EINVAL; 2139 ic->ic_rtsthreshold = ireq->i_val; 2140 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2141 break; 2142 case IEEE80211_IOC_PROTMODE: 2143 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2144 return EINVAL; 2145 ic->ic_protmode = ireq->i_val; 2146 /* NB: if not operating in 11g this can wait */ 2147 if (ic->ic_curmode == IEEE80211_MODE_11G) 2148 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2149 break; 2150 case IEEE80211_IOC_TXPOWER: 2151 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2152 return EINVAL; 2153 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2154 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2155 return EINVAL; 2156 ic->ic_txpowlimit = ireq->i_val; 2157 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2158 break; 2159 case IEEE80211_IOC_ROAMING: 2160 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2161 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2162 return EINVAL; 2163 ic->ic_roaming = ireq->i_val; 2164 /* XXXX reset? */ 2165 break; 2166 case IEEE80211_IOC_PRIVACY: 2167 if (ireq->i_val) { 2168 /* XXX check for key state? */ 2169 ic->ic_flags |= IEEE80211_F_PRIVACY; 2170 } else 2171 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2172 break; 2173 case IEEE80211_IOC_DROPUNENCRYPTED: 2174 if (ireq->i_val) 2175 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2176 else 2177 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2178 break; 2179 case IEEE80211_IOC_WPAKEY: 2180 error = ieee80211_ioctl_setkey(ic, ireq); 2181 break; 2182 case IEEE80211_IOC_DELKEY: 2183 error = ieee80211_ioctl_delkey(ic, ireq); 2184 break; 2185 case IEEE80211_IOC_MLME: 2186 error = ieee80211_ioctl_setmlme(ic, ireq); 2187 break; 2188 case IEEE80211_IOC_OPTIE: 2189 error = ieee80211_ioctl_setoptie(ic, ireq); 2190 break; 2191 case IEEE80211_IOC_COUNTERMEASURES: 2192 if (ireq->i_val) { 2193 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2194 return EINVAL; 2195 ic->ic_flags |= IEEE80211_F_COUNTERM; 2196 } else 2197 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2198 break; 2199 case IEEE80211_IOC_WPA: 2200 if (ireq->i_val > 3) 2201 return EINVAL; 2202 /* XXX verify ciphers available */ 2203 ic->ic_flags &= ~IEEE80211_F_WPA; 2204 switch (ireq->i_val) { 2205 case 1: 2206 ic->ic_flags |= IEEE80211_F_WPA1; 2207 break; 2208 case 2: 2209 ic->ic_flags |= IEEE80211_F_WPA2; 2210 break; 2211 case 3: 2212 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2213 break; 2214 } 2215 error = ENETRESET; /* XXX? */ 2216 break; 2217 case IEEE80211_IOC_WME: 2218 if (ireq->i_val) { 2219 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2220 return EINVAL; 2221 ic->ic_flags |= IEEE80211_F_WME; 2222 } else 2223 ic->ic_flags &= ~IEEE80211_F_WME; 2224 error = ENETRESET; /* XXX maybe not for station? */ 2225 break; 2226 case IEEE80211_IOC_HIDESSID: 2227 if (ireq->i_val) 2228 ic->ic_flags |= IEEE80211_F_HIDESSID; 2229 else 2230 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2231 error = ENETRESET; 2232 break; 2233 case IEEE80211_IOC_APBRIDGE: 2234 if (ireq->i_val == 0) 2235 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2236 else 2237 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2238 break; 2239 case IEEE80211_IOC_MCASTCIPHER: 2240 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2241 !ieee80211_crypto_available(ireq->i_val)) 2242 return EINVAL; 2243 rsn->rsn_mcastcipher = ireq->i_val; 2244 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2245 break; 2246 case IEEE80211_IOC_MCASTKEYLEN: 2247 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2248 return EINVAL; 2249 /* XXX no way to verify driver capability */ 2250 rsn->rsn_mcastkeylen = ireq->i_val; 2251 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2252 break; 2253 case IEEE80211_IOC_UCASTCIPHERS: 2254 /* 2255 * Convert user-specified cipher set to the set 2256 * we can support (via hardware or software). 2257 * NB: this logic intentionally ignores unknown and 2258 * unsupported ciphers so folks can specify 0xff or 2259 * similar and get all available ciphers. 2260 */ 2261 caps = 0; 2262 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2263 if ((ireq->i_val & (1<<j)) && 2264 ((ic->ic_caps & cipher2cap(j)) || 2265 ieee80211_crypto_available(j))) 2266 caps |= 1<<j; 2267 if (caps == 0) /* nothing available */ 2268 return EINVAL; 2269 /* XXX verify ciphers ok for unicast use? */ 2270 /* XXX disallow if running as it'll have no effect */ 2271 rsn->rsn_ucastcipherset = caps; 2272 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2273 break; 2274 case IEEE80211_IOC_UCASTCIPHER: 2275 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2276 return EINVAL; 2277 rsn->rsn_ucastcipher = ireq->i_val; 2278 break; 2279 case IEEE80211_IOC_UCASTKEYLEN: 2280 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2281 return EINVAL; 2282 /* XXX no way to verify driver capability */ 2283 rsn->rsn_ucastkeylen = ireq->i_val; 2284 break; 2285 case IEEE80211_IOC_DRIVER_CAPS: 2286 /* NB: for testing */ 2287 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2288 ((u_int16_t) ireq->i_len); 2289 break; 2290 case IEEE80211_IOC_KEYMGTALGS: 2291 /* XXX check */ 2292 rsn->rsn_keymgmtset = ireq->i_val; 2293 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2294 break; 2295 case IEEE80211_IOC_RSNCAPS: 2296 /* XXX check */ 2297 rsn->rsn_caps = ireq->i_val; 2298 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2299 break; 2300 case IEEE80211_IOC_BSSID: 2301 /* NB: should only be set when in STA mode */ 2302 if (ic->ic_opmode != IEEE80211_M_STA) 2303 return EINVAL; 2304 if (ireq->i_len != sizeof(tmpbssid)) 2305 return EINVAL; 2306 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2307 if (error) 2308 break; 2309 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2310 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2311 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2312 else 2313 ic->ic_flags |= IEEE80211_F_DESBSSID; 2314 error = ENETRESET; 2315 break; 2316 case IEEE80211_IOC_CHANLIST: 2317 error = ieee80211_ioctl_setchanlist(ic, ireq); 2318 break; 2319 case IEEE80211_IOC_SCAN_REQ: 2320 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2321 break; 2322 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2323 if (error == 0) /* XXX background scan */ 2324 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2325 break; 2326 case IEEE80211_IOC_ADDMAC: 2327 case IEEE80211_IOC_DELMAC: 2328 error = ieee80211_ioctl_macmac(ic, ireq); 2329 break; 2330 case IEEE80211_IOC_MACCMD: 2331 error = ieee80211_ioctl_setmaccmd(ic, ireq); 2332 break; 2333 case IEEE80211_IOC_STA_TXPOW: 2334 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2335 break; 2336 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2337 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2338 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2339 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2340 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2341 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2342 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2343 break; 2344 case IEEE80211_IOC_DTIM_PERIOD: 2345 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2346 ic->ic_opmode != IEEE80211_M_IBSS) 2347 return EINVAL; 2348 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2349 ireq->i_val <= IEEE80211_DTIM_MAX) { 2350 ic->ic_dtim_period = ireq->i_val; 2351 error = ENETRESET; /* requires restart */ 2352 } else 2353 error = EINVAL; 2354 break; 2355 case IEEE80211_IOC_BEACON_INTERVAL: 2356 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2357 ic->ic_opmode != IEEE80211_M_IBSS) 2358 return EINVAL; 2359 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2360 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2361 ic->ic_bintval = ireq->i_val; 2362 error = ENETRESET; /* requires restart */ 2363 } else 2364 error = EINVAL; 2365 break; 2366 case IEEE80211_IOC_PUREG: 2367 if (ireq->i_val) 2368 ic->ic_flags |= IEEE80211_F_PUREG; 2369 else 2370 ic->ic_flags &= ~IEEE80211_F_PUREG; 2371 /* NB: reset only if we're operating on an 11g channel */ 2372 if (ic->ic_curmode == IEEE80211_MODE_11G) 2373 error = ENETRESET; 2374 break; 2375 case IEEE80211_IOC_MCAST_RATE: 2376 ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL; 2377 break; 2378 case IEEE80211_IOC_FRAGTHRESHOLD: 2379 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && 2380 ireq->i_val != IEEE80211_FRAG_MAX) 2381 return EINVAL; 2382 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2383 ireq->i_val <= IEEE80211_FRAG_MAX)) 2384 return EINVAL; 2385 ic->ic_fragthreshold = ireq->i_val; 2386 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2387 break; 2388 default: 2389 error = EINVAL; 2390 break; 2391 } 2392 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2393 error = 0; 2394 return error; 2395} 2396 2397int 2398ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2399{ 2400 struct ifnet *ifp = ic->ic_ifp; 2401 int error = 0; 2402 struct ifreq *ifr; 2403 struct ifaddr *ifa; /* XXX */ 2404 2405 switch (cmd) { 2406 case SIOCSIFMEDIA: 2407 case SIOCGIFMEDIA: 2408 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2409 &ic->ic_media, cmd); 2410 break; 2411 case SIOCG80211: 2412 error = ieee80211_ioctl_get80211(ic, cmd, 2413 (struct ieee80211req *) data); 2414 break; 2415 case SIOCS80211: 2416 error = suser(curthread); 2417 if (error == 0) 2418 error = ieee80211_ioctl_set80211(ic, cmd, 2419 (struct ieee80211req *) data); 2420 break; 2421 case SIOCGIFGENERIC: 2422 error = ieee80211_cfgget(ic, cmd, data); 2423 break; 2424 case SIOCSIFGENERIC: 2425 error = suser(curthread); 2426 if (error) 2427 break; 2428 error = ieee80211_cfgset(ic, cmd, data); 2429 break; 2430 case SIOCG80211STATS: 2431 ifr = (struct ifreq *)data; 2432 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2433 break; 2434 case SIOCSIFMTU: 2435 ifr = (struct ifreq *)data; 2436 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2437 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2438 error = EINVAL; 2439 else 2440 ifp->if_mtu = ifr->ifr_mtu; 2441 break; 2442 case SIOCSIFADDR: 2443 /* 2444 * XXX Handle this directly so we can supress if_init calls. 2445 * XXX This should be done in ether_ioctl but for the moment 2446 * XXX there are too many other parts of the system that 2447 * XXX set IFF_UP and so supress if_init being called when 2448 * XXX it should be. 2449 */ 2450 ifa = (struct ifaddr *) data; 2451 switch (ifa->ifa_addr->sa_family) { 2452#ifdef INET 2453 case AF_INET: 2454 if ((ifp->if_flags & IFF_UP) == 0) { 2455 ifp->if_flags |= IFF_UP; 2456 ifp->if_init(ifp->if_softc); 2457 } 2458 arp_ifinit(ifp, ifa); 2459 break; 2460#endif 2461#ifdef IPX 2462 /* 2463 * XXX - This code is probably wrong, 2464 * but has been copied many times. 2465 */ 2466 case AF_IPX: { 2467 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2468 2469 if (ipx_nullhost(*ina)) 2470 ina->x_host = *(union ipx_host *) 2471 IF_LLADDR(ifp); 2472 else 2473 bcopy((caddr_t) ina->x_host.c_host, 2474 (caddr_t) IF_LLADDR(ifp), 2475 ETHER_ADDR_LEN); 2476 /* fall thru... */ 2477 } 2478#endif 2479 default: 2480 if ((ifp->if_flags & IFF_UP) == 0) { 2481 ifp->if_flags |= IFF_UP; 2482 ifp->if_init(ifp->if_softc); 2483 } 2484 break; 2485 } 2486 break; 2487 default: 2488 error = ether_ioctl(ifp, cmd, data); 2489 break; 2490 } 2491 return error; 2492} 2493