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 * $FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.25.2.11 2006/02/28 02:02:43 sam Exp $ 33 * $DragonFly: src/sys/netproto/802_11/wlan/ieee80211_ioctl.c,v 1.2 2006/05/18 13:51:46 sephe Exp $ 34 */ 35 36 /* 37 * IEEE 802.11 ioctl support (DragonFlyBSD-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/proc.h> 47 #include <sys/socket.h> 48 #include <sys/sockio.h> 49 #include <sys/systm.h> 50 51 #include <net/if.h> 52 #include <net/if_arp.h> 53 #include <net/if_dl.h> 54 #include <net/if_media.h> 55 #include <net/ethernet.h> 56 57 #ifdef INET 58 #include <netinet/in.h> 59 #include <netinet/if_ether.h> 60 #endif 61 62 #ifdef IPX 63 #include <netproto/ipx/ipx.h> 64 #include <netproto/ipx/ipx_if.h> 65 #endif 66 67 #include <netproto/802_11/ieee80211_var.h> 68 #include <netproto/802_11/ieee80211_ioctl.h> 69 70 #include <netproto/802_11/if_wavelan_ieee.h> 71 72 #define IS_UP(_ic) \ 73 (((_ic)->ic_ifp->if_flags & (IFF_UP | IFF_RUNNING)) == \ 74 (IFF_UP | IFF_RUNNING)) 75 76 #define IS_UP_AUTO(_ic) \ 77 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 78 79 /* 80 * XXX 81 * Wireless LAN specific configuration interface, which is compatible 82 * with wicontrol(8). 83 */ 84 85 struct wi_read_ap_args { 86 int i; /* result count */ 87 struct wi_apinfo *ap; /* current entry in result buffer */ 88 caddr_t max; /* result buffer bound */ 89 }; 90 91 static void 92 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 93 { 94 struct ieee80211com *ic = ni->ni_ic; 95 struct wi_read_ap_args *sa = arg; 96 struct wi_apinfo *ap = sa->ap; 97 struct ieee80211_rateset *rs; 98 int j; 99 100 if ((caddr_t)(ap + 1) > sa->max) 101 return; 102 memset(ap, 0, sizeof(struct wi_apinfo)); 103 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 104 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 105 ap->namelen = ic->ic_des_esslen; 106 if (ic->ic_des_esslen) 107 memcpy(ap->name, ic->ic_des_essid, 108 ic->ic_des_esslen); 109 } else { 110 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 111 ap->namelen = ni->ni_esslen; 112 if (ni->ni_esslen) 113 memcpy(ap->name, ni->ni_essid, 114 ni->ni_esslen); 115 } 116 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 117 ap->signal = ic->ic_node_getrssi(ni); 118 ap->capinfo = ni->ni_capinfo; 119 ap->interval = ni->ni_intval; 120 rs = &ni->ni_rates; 121 for (j = 0; j < rs->rs_nrates; j++) { 122 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 123 ap->rate = (rs->rs_rates[j] & 124 IEEE80211_RATE_VAL) * 5; /* XXX */ 125 } 126 } 127 sa->i++; 128 sa->ap++; 129 } 130 131 struct wi_read_prism2_args { 132 int i; /* result count */ 133 struct wi_scan_res *res;/* current entry in result buffer */ 134 caddr_t max; /* result buffer bound */ 135 }; 136 137 static void 138 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 139 { 140 struct ieee80211com *ic = ni->ni_ic; 141 struct wi_read_prism2_args *sa = arg; 142 struct wi_scan_res *res = sa->res; 143 144 if ((caddr_t)(res + 1) > sa->max) 145 return; 146 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 147 res->wi_noise = 0; 148 res->wi_signal = ic->ic_node_getrssi(ni); 149 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 150 res->wi_interval = ni->ni_intval; 151 res->wi_capinfo = ni->ni_capinfo; 152 res->wi_ssid_len = ni->ni_esslen; 153 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 154 /* NB: assumes wi_srates holds <= ni->ni_rates */ 155 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 156 sizeof(res->wi_srates)); 157 if (ni->ni_rates.rs_nrates < 10) 158 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 159 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 160 res->wi_rsvd = 0; 161 162 sa->i++; 163 sa->res++; 164 } 165 166 struct wi_read_sigcache_args { 167 int i; /* result count */ 168 struct wi_sigcache *wsc;/* current entry in result buffer */ 169 caddr_t max; /* result buffer bound */ 170 }; 171 172 static void 173 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 174 { 175 struct ieee80211com *ic = ni->ni_ic; 176 struct wi_read_sigcache_args *sa = arg; 177 struct wi_sigcache *wsc = sa->wsc; 178 179 if ((caddr_t)(wsc + 1) > sa->max) 180 return; 181 memset(wsc, 0, sizeof(struct wi_sigcache)); 182 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 183 wsc->signal = ic->ic_node_getrssi(ni); 184 185 sa->wsc++; 186 sa->i++; 187 } 188 189 int 190 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data, 191 struct ucred *cr) 192 { 193 struct ifnet *ifp = ic->ic_ifp; 194 int i, j, error; 195 struct ifreq *ifr = (struct ifreq *)data; 196 struct wi_req wreq; 197 struct wi_ltv_keys *keys; 198 199 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 200 if (error) 201 return error; 202 wreq.wi_len = 0; 203 switch (wreq.wi_type) { 204 case WI_RID_SERIALNO: 205 /* nothing appropriate */ 206 break; 207 case WI_RID_NODENAME: 208 strcpy((char *)&wreq.wi_val[1], hostname); 209 wreq.wi_val[0] = htole16(strlen(hostname)); 210 wreq.wi_len = (1 + strlen(hostname) + 1) / 2; 211 break; 212 case WI_RID_CURRENT_SSID: 213 if (ic->ic_state != IEEE80211_S_RUN) { 214 wreq.wi_val[0] = 0; 215 wreq.wi_len = 1; 216 break; 217 } 218 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen); 219 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid, 220 ic->ic_bss->ni_esslen); 221 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 222 break; 223 case WI_RID_OWN_SSID: 224 case WI_RID_DESIRED_SSID: 225 wreq.wi_val[0] = htole16(ic->ic_des_esslen); 226 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 227 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2; 228 break; 229 case WI_RID_CURRENT_BSSID: 230 if (ic->ic_state == IEEE80211_S_RUN) 231 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid); 232 else 233 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN); 234 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 235 break; 236 case WI_RID_CHANNEL_LIST: 237 memset(wreq.wi_val, 0, sizeof(wreq.wi_val)); 238 /* 239 * Since channel 0 is not available for DS, channel 1 240 * is assigned to LSB on WaveLAN. 241 */ 242 if (ic->ic_phytype == IEEE80211_T_DS) 243 i = 1; 244 else 245 i = 0; 246 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 247 if (isset(ic->ic_chan_active, i)) { 248 setbit((uint8_t *)wreq.wi_val, j); 249 wreq.wi_len = j / 16 + 1; 250 } 251 break; 252 case WI_RID_OWN_CHNL: 253 wreq.wi_val[0] = htole16( 254 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 255 wreq.wi_len = 1; 256 break; 257 case WI_RID_CURRENT_CHAN: 258 wreq.wi_val[0] = htole16( 259 ieee80211_chan2ieee(ic, ic->ic_curchan)); 260 wreq.wi_len = 1; 261 break; 262 case WI_RID_COMMS_QUALITY: 263 wreq.wi_val[0] = 0; /* quality */ 264 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 265 wreq.wi_val[2] = 0; /* noise */ 266 wreq.wi_len = 3; 267 break; 268 case WI_RID_PROMISC: 269 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 270 wreq.wi_len = 1; 271 break; 272 case WI_RID_PORTTYPE: 273 wreq.wi_val[0] = htole16(ic->ic_opmode); 274 wreq.wi_len = 1; 275 break; 276 case WI_RID_MAC_NODE: 277 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr); 278 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 279 break; 280 case WI_RID_TX_RATE: 281 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 282 wreq.wi_val[0] = 0; /* auto */ 283 else 284 wreq.wi_val[0] = htole16( 285 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 286 IEEE80211_RATE_VAL) / 2); 287 wreq.wi_len = 1; 288 break; 289 case WI_RID_CUR_TX_RATE: 290 wreq.wi_val[0] = htole16( 291 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 292 IEEE80211_RATE_VAL) / 2); 293 wreq.wi_len = 1; 294 break; 295 case WI_RID_RTS_THRESH: 296 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold); 297 wreq.wi_len = 1; 298 break; 299 case WI_RID_CREATE_IBSS: 300 wreq.wi_val[0] = 301 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 302 wreq.wi_len = 1; 303 break; 304 case WI_RID_MICROWAVE_OVEN: 305 wreq.wi_val[0] = 0; /* no ... not supported */ 306 wreq.wi_len = 1; 307 break; 308 case WI_RID_ROAMING_MODE: 309 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 310 wreq.wi_len = 1; 311 break; 312 case WI_RID_SYSTEM_SCALE: 313 wreq.wi_val[0] = htole16(1); /* low density ... not supp */ 314 wreq.wi_len = 1; 315 break; 316 case WI_RID_PM_ENABLED: 317 wreq.wi_val[0] = 318 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 319 wreq.wi_len = 1; 320 break; 321 case WI_RID_MAX_SLEEP: 322 wreq.wi_val[0] = htole16(ic->ic_lintval); 323 wreq.wi_len = 1; 324 break; 325 case WI_RID_CUR_BEACON_INT: 326 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval); 327 wreq.wi_len = 1; 328 break; 329 case WI_RID_WEP_AVAIL: 330 wreq.wi_val[0] = htole16(1); /* always available */ 331 wreq.wi_len = 1; 332 break; 333 case WI_RID_CNFAUTHMODE: 334 wreq.wi_val[0] = htole16(1); /* TODO: open system only */ 335 wreq.wi_len = 1; 336 break; 337 case WI_RID_ENCRYPTION: 338 wreq.wi_val[0] = 339 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 340 wreq.wi_len = 1; 341 break; 342 case WI_RID_TX_CRYPT_KEY: 343 wreq.wi_val[0] = htole16(ic->ic_def_txkey); 344 wreq.wi_len = 1; 345 break; 346 case WI_RID_DEFLT_CRYPT_KEYS: 347 keys = (struct wi_ltv_keys *)&wreq; 348 /* do not show keys to non-root user */ 349 error = suser_cred(cr, NULL_CRED_OKAY); 350 if (error) { 351 memset(keys, 0, sizeof(*keys)); 352 error = 0; 353 break; 354 } 355 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 356 keys->wi_keys[i].wi_keylen = 357 htole16(ic->ic_nw_keys[i].wk_keylen); 358 memcpy(keys->wi_keys[i].wi_keydat, 359 ic->ic_nw_keys[i].wk_key, 360 ic->ic_nw_keys[i].wk_keylen); 361 } 362 wreq.wi_len = sizeof(*keys) / 2; 363 break; 364 case WI_RID_MAX_DATALEN: 365 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 366 wreq.wi_len = 1; 367 break; 368 case WI_RID_IFACE_STATS: 369 /* XXX: should be implemented in lower drivers */ 370 break; 371 case WI_RID_READ_APS: 372 /* 373 * Don't return results until active scan completes. 374 */ 375 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 376 struct wi_read_ap_args args; 377 378 args.i = 0; 379 args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); 380 args.max = (void *)(&wreq + 1); 381 ieee80211_iterate_nodes(&ic->ic_scan, 382 wi_read_ap_result, &args); 383 memcpy(wreq.wi_val, &args.i, sizeof(args.i)); 384 wreq.wi_len = (sizeof(int) + 385 sizeof(struct wi_apinfo) * args.i) / 2; 386 } else 387 error = EINPROGRESS; 388 break; 389 case WI_RID_PRISM2: 390 /* NB: we lie so WI_RID_SCAN_RES can include rates */ 391 wreq.wi_val[0] = 1; 392 wreq.wi_len = sizeof(uint16_t) / 2; 393 break; 394 case WI_RID_SCAN_RES: /* compatibility interface */ 395 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 396 struct wi_read_prism2_args args; 397 struct wi_scan_p2_hdr *p2; 398 399 /* NB: use Prism2 format so we can include rate info */ 400 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; 401 args.i = 0; 402 args.res = (void *)&p2[1]; 403 args.max = (void *)(&wreq + 1); 404 ieee80211_iterate_nodes(&ic->ic_scan, 405 wi_read_prism2_result, &args); 406 p2->wi_rsvd = 0; 407 p2->wi_reason = args.i; 408 wreq.wi_len = (sizeof(*p2) + 409 sizeof(struct wi_scan_res) * args.i) / 2; 410 } else 411 error = EINPROGRESS; 412 break; 413 case WI_RID_READ_CACHE: { 414 struct wi_read_sigcache_args args; 415 args.i = 0; 416 args.wsc = (struct wi_sigcache *) wreq.wi_val; 417 args.max = (void *)(&wreq + 1); 418 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 419 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 420 break; 421 } 422 default: 423 error = EINVAL; 424 break; 425 } 426 if (error == 0) { 427 wreq.wi_len++; 428 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 429 } 430 return error; 431 } 432 433 static int 434 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 435 { 436 #define IEEERATE(_ic,_m,_i) \ 437 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 438 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 439 for (i = 0; i < nrates; i++) 440 if (IEEERATE(ic, mode, i) == rate) 441 return i; 442 return -1; 443 #undef IEEERATE 444 } 445 446 /* 447 * Prepare to do a user-initiated scan for AP's. If no 448 * current/default channel is setup or the current channel 449 * is invalid then pick the first available channel from 450 * the active list as the place to start the scan. 451 */ 452 static int 453 ieee80211_setupscan(struct ieee80211com *ic, const uint8_t chanlist[]) 454 { 455 456 /* 457 * XXX don't permit a scan to be started unless we 458 * know the device is ready. For the moment this means 459 * the device is marked up as this is the required to 460 * initialize the hardware. It would be better to permit 461 * scanning prior to being up but that'll require some 462 * changes to the infrastructure. 463 */ 464 if (!IS_UP(ic)) 465 return EINVAL; 466 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 467 /* 468 * We force the state to INIT before calling ieee80211_new_state 469 * to get ieee80211_begin_scan called. We really want to scan w/o 470 * altering the current state but that's not possible right now. 471 */ 472 /* XXX handle proberequest case */ 473 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 474 return 0; 475 } 476 477 int 478 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) 479 { 480 struct ifnet *ifp = ic->ic_ifp; 481 int i, j, len, error, rate; 482 struct ifreq *ifr = (struct ifreq *)data; 483 struct wi_ltv_keys *keys; 484 struct wi_req wreq; 485 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)]; 486 487 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 488 if (error) 489 return error; 490 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0; 491 switch (wreq.wi_type) { 492 case WI_RID_SERIALNO: 493 case WI_RID_NODENAME: 494 return EPERM; 495 case WI_RID_CURRENT_SSID: 496 return EPERM; 497 case WI_RID_OWN_SSID: 498 case WI_RID_DESIRED_SSID: 499 if (le16toh(wreq.wi_val[0]) * 2 > len || 500 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) { 501 error = ENOSPC; 502 break; 503 } 504 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 505 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2; 506 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen); 507 error = ENETRESET; 508 break; 509 case WI_RID_CURRENT_BSSID: 510 return EPERM; 511 case WI_RID_OWN_CHNL: 512 if (len != 2) 513 return EINVAL; 514 i = le16toh(wreq.wi_val[0]); 515 if (i < 0 || 516 i > IEEE80211_CHAN_MAX || 517 isclr(ic->ic_chan_active, i)) 518 return EINVAL; 519 ic->ic_ibss_chan = &ic->ic_channels[i]; 520 if (ic->ic_opmode == IEEE80211_M_MONITOR) 521 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 522 else 523 error = ENETRESET; 524 break; 525 case WI_RID_CURRENT_CHAN: 526 return EPERM; 527 case WI_RID_COMMS_QUALITY: 528 return EPERM; 529 case WI_RID_PROMISC: 530 if (len != 2) 531 return EINVAL; 532 if (ifp->if_flags & IFF_PROMISC) { 533 if (wreq.wi_val[0] == 0) { 534 ifp->if_flags &= ~IFF_PROMISC; 535 error = ENETRESET; 536 } 537 } else { 538 if (wreq.wi_val[0] != 0) { 539 ifp->if_flags |= IFF_PROMISC; 540 error = ENETRESET; 541 } 542 } 543 break; 544 case WI_RID_PORTTYPE: 545 if (len != 2) 546 return EINVAL; 547 switch (le16toh(wreq.wi_val[0])) { 548 case IEEE80211_M_STA: 549 break; 550 case IEEE80211_M_IBSS: 551 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 552 return EINVAL; 553 break; 554 case IEEE80211_M_AHDEMO: 555 if (ic->ic_phytype != IEEE80211_T_DS || 556 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 557 return EINVAL; 558 break; 559 case IEEE80211_M_HOSTAP: 560 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 561 return EINVAL; 562 break; 563 default: 564 return EINVAL; 565 } 566 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) { 567 ic->ic_opmode = le16toh(wreq.wi_val[0]); 568 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 569 } 570 break; 571 #if 0 572 case WI_RID_MAC_NODE: 573 if (len != IEEE80211_ADDR_LEN) 574 return EINVAL; 575 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val); 576 /* if_init will copy lladdr into ic_myaddr */ 577 error = ENETRESET; 578 break; 579 #endif 580 case WI_RID_TX_RATE: 581 if (len != 2) 582 return EINVAL; 583 if (wreq.wi_val[0] == 0) { 584 /* auto */ 585 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 586 break; 587 } 588 rate = 2 * le16toh(wreq.wi_val[0]); 589 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 590 /* 591 * In autoselect mode search for the rate. We take 592 * the first instance which may not be right, but we 593 * are limited by the interface. Note that we also 594 * lock the mode to insure the rate is meaningful 595 * when it is used. 596 */ 597 for (j = IEEE80211_MODE_11A; 598 j < IEEE80211_MODE_MAX; j++) { 599 if ((ic->ic_modecaps & (1<<j)) == 0) 600 continue; 601 i = findrate(ic, j, rate); 602 if (i != -1) { 603 /* lock mode too */ 604 ic->ic_curmode = j; 605 goto setrate; 606 } 607 } 608 } else { 609 i = findrate(ic, ic->ic_curmode, rate); 610 if (i != -1) 611 goto setrate; 612 } 613 return EINVAL; 614 setrate: 615 ic->ic_fixed_rate = i; 616 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 617 break; 618 case WI_RID_CUR_TX_RATE: 619 return EPERM; 620 case WI_RID_RTS_THRESH: 621 if (len != 2) 622 return EINVAL; 623 if (le16toh(wreq.wi_val[0]) != IEEE80211_MAX_LEN) 624 return EINVAL; /* TODO: RTS */ 625 break; 626 case WI_RID_CREATE_IBSS: 627 if (len != 2) 628 return EINVAL; 629 if (wreq.wi_val[0] != 0) { 630 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 631 return EINVAL; 632 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 633 ic->ic_flags |= IEEE80211_F_IBSSON; 634 if (ic->ic_opmode == IEEE80211_M_IBSS && 635 ic->ic_state == IEEE80211_S_SCAN) 636 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 637 } 638 } else { 639 if (ic->ic_flags & IEEE80211_F_IBSSON) { 640 ic->ic_flags &= ~IEEE80211_F_IBSSON; 641 if (ic->ic_flags & IEEE80211_F_SIBSS) { 642 ic->ic_flags &= ~IEEE80211_F_SIBSS; 643 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 644 } 645 } 646 } 647 break; 648 case WI_RID_MICROWAVE_OVEN: 649 if (len != 2) 650 return EINVAL; 651 if (wreq.wi_val[0] != 0) 652 return EINVAL; /* not supported */ 653 break; 654 case WI_RID_ROAMING_MODE: 655 if (len != 2) 656 return EINVAL; 657 i = le16toh(wreq.wi_val[0]); 658 if (i > IEEE80211_ROAMING_MANUAL) 659 return EINVAL; /* not supported */ 660 ic->ic_roaming = i; 661 break; 662 case WI_RID_SYSTEM_SCALE: 663 if (len != 2) 664 return EINVAL; 665 if (le16toh(wreq.wi_val[0]) != 1) 666 return EINVAL; /* not supported */ 667 break; 668 case WI_RID_PM_ENABLED: 669 if (len != 2) 670 return EINVAL; 671 if (wreq.wi_val[0] != 0) { 672 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 673 return EINVAL; 674 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 675 ic->ic_flags |= IEEE80211_F_PMGTON; 676 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 677 } 678 } else { 679 if (ic->ic_flags & IEEE80211_F_PMGTON) { 680 ic->ic_flags &= ~IEEE80211_F_PMGTON; 681 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 682 } 683 } 684 break; 685 case WI_RID_MAX_SLEEP: 686 if (len != 2) 687 return EINVAL; 688 ic->ic_lintval = le16toh(wreq.wi_val[0]); 689 if (ic->ic_flags & IEEE80211_F_PMGTON) 690 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 691 break; 692 case WI_RID_CUR_BEACON_INT: 693 return EPERM; 694 case WI_RID_WEP_AVAIL: 695 return EPERM; 696 case WI_RID_CNFAUTHMODE: 697 if (len != 2) 698 return EINVAL; 699 i = le16toh(wreq.wi_val[0]); 700 if (i > IEEE80211_AUTH_WPA) 701 return EINVAL; 702 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 703 error = ENETRESET; 704 break; 705 case WI_RID_ENCRYPTION: 706 if (len != 2) 707 return EINVAL; 708 if (wreq.wi_val[0] != 0) { 709 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 710 return EINVAL; 711 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 712 ic->ic_flags |= IEEE80211_F_PRIVACY; 713 error = ENETRESET; 714 } 715 } else { 716 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 717 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 718 error = ENETRESET; 719 } 720 } 721 break; 722 case WI_RID_TX_CRYPT_KEY: 723 if (len != 2) 724 return EINVAL; 725 i = le16toh(wreq.wi_val[0]); 726 if (i >= IEEE80211_WEP_NKID) 727 return EINVAL; 728 ic->ic_def_txkey = i; 729 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 730 break; 731 case WI_RID_DEFLT_CRYPT_KEYS: 732 if (len != sizeof(struct wi_ltv_keys)) 733 return EINVAL; 734 keys = (struct wi_ltv_keys *)&wreq; 735 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 736 len = le16toh(keys->wi_keys[i].wi_keylen); 737 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 738 return EINVAL; 739 if (len > IEEE80211_KEYBUF_SIZE) 740 return EINVAL; 741 } 742 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 743 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 744 745 len = le16toh(keys->wi_keys[i].wi_keylen); 746 k->wk_keylen = len; 747 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 748 memset(k->wk_key, 0, sizeof(k->wk_key)); 749 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 750 #if 0 751 k->wk_type = IEEE80211_CIPHER_WEP; 752 #endif 753 } 754 error = ENETRESET; 755 break; 756 case WI_RID_MAX_DATALEN: 757 if (len != 2) 758 return EINVAL; 759 len = le16toh(wreq.wi_val[0]); 760 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 761 return EINVAL; 762 ic->ic_fragthreshold = len; 763 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 764 break; 765 case WI_RID_IFACE_STATS: 766 error = EPERM; 767 break; 768 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 769 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 770 break; 771 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 772 if (error == 0) 773 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 774 break; 775 case WI_RID_SCAN_APS: 776 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 777 break; 778 len--; /* XXX: tx rate? */ 779 /* FALLTHRU */ 780 case WI_RID_CHANNEL_LIST: 781 memset(chanlist, 0, sizeof(chanlist)); 782 /* 783 * Since channel 0 is not available for DS, channel 1 784 * is assigned to LSB on WaveLAN. 785 */ 786 if (ic->ic_phytype == IEEE80211_T_DS) 787 i = 1; 788 else 789 i = 0; 790 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 791 if ((j / 8) >= len) 792 break; 793 if (isclr((uint8_t *)wreq.wi_val, j)) 794 continue; 795 if (isclr(ic->ic_chan_active, i)) { 796 if (wreq.wi_type != WI_RID_CHANNEL_LIST) 797 continue; 798 if (isclr(ic->ic_chan_avail, i)) 799 return EPERM; 800 } 801 setbit(chanlist, i); 802 } 803 error = ieee80211_setupscan(ic, chanlist); 804 if (wreq.wi_type == WI_RID_CHANNEL_LIST) { 805 /* NB: ignore error from ieee80211_setupscan */ 806 error = ENETRESET; 807 } else if (error == 0) 808 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 809 break; 810 default: 811 error = EINVAL; 812 break; 813 } 814 if (error == ENETRESET && !IS_UP_AUTO(ic)) 815 error = 0; 816 return error; 817 } 818 819 static int 820 cap2cipher(int flag) 821 { 822 switch (flag) { 823 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 824 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 825 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 826 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 827 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 828 } 829 return -1; 830 } 831 832 static int 833 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq, 834 struct ucred *cr) 835 { 836 struct ieee80211_node *ni; 837 struct ieee80211req_key ik; 838 struct ieee80211_key *wk; 839 const struct ieee80211_cipher *cip; 840 u_int kid; 841 int error; 842 843 if (ireq->i_len != sizeof(ik)) 844 return EINVAL; 845 error = copyin(ireq->i_data, &ik, sizeof(ik)); 846 if (error) 847 return error; 848 kid = ik.ik_keyix; 849 if (kid == IEEE80211_KEYIX_NONE) { 850 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 851 if (ni == NULL) 852 return EINVAL; /* XXX */ 853 wk = &ni->ni_ucastkey; 854 } else { 855 if (kid >= IEEE80211_WEP_NKID) 856 return EINVAL; 857 wk = &ic->ic_nw_keys[kid]; 858 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 859 ni = NULL; 860 } 861 cip = wk->wk_cipher; 862 ik.ik_type = cip->ic_cipher; 863 ik.ik_keylen = wk->wk_keylen; 864 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 865 if (wk->wk_keyix == ic->ic_def_txkey) 866 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 867 if (suser_cred(cr, NULL_CRED_OKAY) == 0) { 868 /* NB: only root can read key data */ 869 ik.ik_keyrsc = wk->wk_keyrsc; 870 ik.ik_keytsc = wk->wk_keytsc; 871 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 872 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 873 memcpy(ik.ik_keydata+wk->wk_keylen, 874 wk->wk_key + IEEE80211_KEYBUF_SIZE, 875 IEEE80211_MICBUF_SIZE); 876 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 877 } 878 } else { 879 ik.ik_keyrsc = 0; 880 ik.ik_keytsc = 0; 881 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 882 } 883 if (ni != NULL) 884 ieee80211_free_node(ni); 885 return copyout(&ik, ireq->i_data, sizeof(ik)); 886 } 887 888 static int 889 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 890 { 891 892 if (sizeof(ic->ic_chan_active) < ireq->i_len) 893 ireq->i_len = sizeof(ic->ic_chan_active); 894 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 895 } 896 897 static int 898 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 899 { 900 struct ieee80211req_chaninfo chans; /* XXX off stack? */ 901 int i, space; 902 903 /* 904 * Since channel 0 is not available for DS, channel 1 905 * is assigned to LSB on WaveLAN. 906 */ 907 if (ic->ic_phytype == IEEE80211_T_DS) 908 i = 1; 909 else 910 i = 0; 911 memset(&chans, 0, sizeof(chans)); 912 for (; i <= IEEE80211_CHAN_MAX; i++) 913 if (isset(ic->ic_chan_avail, i)) { 914 struct ieee80211_channel *c = &ic->ic_channels[i]; 915 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; 916 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; 917 chans.ic_nchans++; 918 } 919 space = __offsetof(struct ieee80211req_chaninfo, 920 ic_chans[chans.ic_nchans]); 921 if (space > ireq->i_len) 922 space = ireq->i_len; 923 return copyout(&chans, ireq->i_data, space); 924 } 925 926 static int 927 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 928 { 929 struct ieee80211_node *ni; 930 struct ieee80211req_wpaie wpaie; 931 int error; 932 933 if (ireq->i_len < IEEE80211_ADDR_LEN) 934 return EINVAL; 935 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 936 if (error != 0) 937 return error; 938 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 939 if (ni == NULL) 940 return EINVAL; /* XXX */ 941 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 942 if (ni->ni_wpa_ie != NULL) { 943 int ielen = ni->ni_wpa_ie[1] + 2; 944 if (ielen > sizeof(wpaie.wpa_ie)) 945 ielen = sizeof(wpaie.wpa_ie); 946 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 947 } 948 ieee80211_free_node(ni); 949 if (ireq->i_len > sizeof(wpaie)) 950 ireq->i_len = sizeof(wpaie); 951 return copyout(&wpaie, ireq->i_data, ireq->i_len); 952 } 953 954 static int 955 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 956 { 957 struct ieee80211_node *ni; 958 uint8_t macaddr[IEEE80211_ADDR_LEN]; 959 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 960 int error; 961 962 if (ireq->i_len < off) 963 return EINVAL; 964 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 965 if (error != 0) 966 return error; 967 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 968 if (ni == NULL) 969 return EINVAL; /* XXX */ 970 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 971 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 972 /* NB: copy out only the statistics */ 973 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 974 ireq->i_len - off); 975 ieee80211_free_node(ni); 976 return error; 977 } 978 979 static void 980 get_scan_result(struct ieee80211req_scan_result *sr, 981 const struct ieee80211_node *ni) 982 { 983 struct ieee80211com *ic = ni->ni_ic; 984 u_int ielen = 0; 985 986 memset(sr, 0, sizeof(*sr)); 987 sr->isr_ssid_len = ni->ni_esslen; 988 if (ni->ni_wpa_ie != NULL) 989 ielen += 2+ni->ni_wpa_ie[1]; 990 if (ni->ni_wme_ie != NULL) 991 ielen += 2+ni->ni_wme_ie[1]; 992 993 /* 994 * The value sr->isr_ie_len is defined as a uint8_t, so we 995 * need to be careful to avoid an integer overflow. If the 996 * value would overflow, we will set isr_ie_len to zero, and 997 * ieee80211_ioctl_getscanresults (below) will avoid copying 998 * the (overflowing) data. 999 */ 1000 if (ielen > 255) 1001 ielen = 0; 1002 sr->isr_ie_len = ielen; 1003 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1004 sr->isr_len = roundup(sr->isr_len, sizeof(uint32_t)); 1005 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1006 sr->isr_freq = ni->ni_chan->ic_freq; 1007 sr->isr_flags = ni->ni_chan->ic_flags; 1008 } 1009 sr->isr_rssi = ic->ic_node_getrssi(ni); 1010 sr->isr_intval = ni->ni_intval; 1011 sr->isr_capinfo = ni->ni_capinfo; 1012 sr->isr_erp = ni->ni_erp; 1013 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1014 sr->isr_nrates = ni->ni_rates.rs_nrates; 1015 if (sr->isr_nrates > 15) 1016 sr->isr_nrates = 15; 1017 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1018 } 1019 1020 static int 1021 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1022 { 1023 union { 1024 struct ieee80211req_scan_result res; 1025 char data[512]; /* XXX shrink? */ 1026 } u; 1027 struct ieee80211req_scan_result *sr = &u.res; 1028 struct ieee80211_node_table *nt; 1029 struct ieee80211_node *ni; 1030 int error, space; 1031 uint8_t *p, *cp; 1032 1033 p = ireq->i_data; 1034 space = ireq->i_len; 1035 error = 0; 1036 /* XXX locking */ 1037 nt = &ic->ic_scan; 1038 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1039 /* NB: skip pre-scan node state */ 1040 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1041 continue; 1042 get_scan_result(sr, ni); 1043 if (sr->isr_len > sizeof(u)) 1044 continue; /* XXX */ 1045 if (space < sr->isr_len) 1046 break; 1047 cp = (uint8_t *)(sr+1); 1048 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1049 cp += ni->ni_esslen; 1050 if (sr->isr_ie_len > 0 && ni->ni_wpa_ie != NULL) { 1051 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1052 cp += 2+ni->ni_wpa_ie[1]; 1053 } 1054 if (sr->isr_ie_len > 0 && ni->ni_wme_ie != NULL) { 1055 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1056 cp += 2+ni->ni_wme_ie[1]; 1057 } 1058 error = copyout(sr, p, sr->isr_len); 1059 if (error) 1060 break; 1061 p += sr->isr_len; 1062 space -= sr->isr_len; 1063 } 1064 ireq->i_len -= space; 1065 return error; 1066 } 1067 1068 struct stainforeq { 1069 struct ieee80211com *ic; 1070 struct ieee80211req_sta_info *si; 1071 size_t space; 1072 }; 1073 1074 static size_t 1075 sta_space(const struct ieee80211_node *ni, size_t *ielen) 1076 { 1077 *ielen = 0; 1078 if (ni->ni_wpa_ie != NULL) 1079 *ielen += 2+ni->ni_wpa_ie[1]; 1080 if (ni->ni_wme_ie != NULL) 1081 *ielen += 2+ni->ni_wme_ie[1]; 1082 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 1083 sizeof(uint32_t)); 1084 } 1085 1086 static void 1087 get_sta_space(void *arg, struct ieee80211_node *ni) 1088 { 1089 struct stainforeq *req = arg; 1090 struct ieee80211com *ic = ni->ni_ic; 1091 size_t ielen; 1092 1093 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1094 ni->ni_associd == 0) /* only associated stations */ 1095 return; 1096 req->space += sta_space(ni, &ielen); 1097 } 1098 1099 static void 1100 get_sta_info(void *arg, struct ieee80211_node *ni) 1101 { 1102 struct stainforeq *req = arg; 1103 struct ieee80211com *ic = ni->ni_ic; 1104 struct ieee80211req_sta_info *si; 1105 size_t ielen, len; 1106 uint8_t *cp; 1107 1108 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1109 ni->ni_associd == 0) /* only associated stations */ 1110 return; 1111 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 1112 return; 1113 len = sta_space(ni, &ielen); 1114 if (len > req->space) 1115 return; 1116 si = req->si; 1117 si->isi_len = len; 1118 si->isi_ie_len = ielen; 1119 si->isi_freq = ni->ni_chan->ic_freq; 1120 si->isi_flags = ni->ni_chan->ic_flags; 1121 si->isi_state = ni->ni_flags; 1122 si->isi_authmode = ni->ni_authmode; 1123 si->isi_rssi = ic->ic_node_getrssi(ni); 1124 si->isi_capinfo = ni->ni_capinfo; 1125 si->isi_erp = ni->ni_erp; 1126 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1127 si->isi_nrates = ni->ni_rates.rs_nrates; 1128 if (si->isi_nrates > 15) 1129 si->isi_nrates = 15; 1130 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1131 si->isi_txrate = ni->ni_txrate; 1132 si->isi_associd = ni->ni_associd; 1133 si->isi_txpower = ni->ni_txpower; 1134 si->isi_vlan = ni->ni_vlan; 1135 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1136 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1137 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1138 } else { 1139 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1140 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1141 } 1142 /* NB: leave all cases in case we relax ni_associd == 0 check */ 1143 if (ieee80211_node_is_authorized(ni)) 1144 si->isi_inact = ic->ic_inact_run; 1145 else if (ni->ni_associd != 0) 1146 si->isi_inact = ic->ic_inact_auth; 1147 else 1148 si->isi_inact = ic->ic_inact_init; 1149 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1150 1151 cp = (uint8_t *)(si+1); 1152 if (ni->ni_wpa_ie != NULL) { 1153 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1154 cp += 2+ni->ni_wpa_ie[1]; 1155 } 1156 if (ni->ni_wme_ie != NULL) { 1157 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1158 cp += 2+ni->ni_wme_ie[1]; 1159 } 1160 1161 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 1162 req->space -= len; 1163 } 1164 1165 static int 1166 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1167 { 1168 struct stainforeq req; 1169 int error; 1170 1171 if (ireq->i_len < sizeof(struct stainforeq)) 1172 return EFAULT; 1173 1174 error = 0; 1175 req.space = 0; 1176 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 1177 if (req.space > ireq->i_len) 1178 req.space = ireq->i_len; 1179 if (req.space > 0) { 1180 size_t space; 1181 void *p; 1182 1183 space = req.space; 1184 /* XXX M_WAITOK after driver lock released */ 1185 p = malloc(space, M_TEMP, M_NOWAIT); 1186 if (p == NULL) 1187 return ENOMEM; 1188 req.si = p; 1189 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 1190 ireq->i_len = space - req.space; 1191 error = copyout(p, ireq->i_data, ireq->i_len); 1192 free(p, M_TEMP); 1193 } else 1194 ireq->i_len = 0; 1195 1196 return error; 1197 } 1198 1199 static int 1200 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1201 { 1202 struct ieee80211_node *ni; 1203 struct ieee80211req_sta_txpow txpow; 1204 int error; 1205 1206 if (ireq->i_len != sizeof(txpow)) 1207 return EINVAL; 1208 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1209 if (error != 0) 1210 return error; 1211 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1212 if (ni == NULL) 1213 return EINVAL; /* XXX */ 1214 txpow.it_txpow = ni->ni_txpower; 1215 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1216 ieee80211_free_node(ni); 1217 return error; 1218 } 1219 1220 static int 1221 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1222 { 1223 struct ieee80211_wme_state *wme = &ic->ic_wme; 1224 struct wmeParams *wmep; 1225 int ac; 1226 1227 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1228 return EINVAL; 1229 1230 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1231 if (ac >= WME_NUM_AC) 1232 ac = WME_AC_BE; 1233 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1234 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1235 else 1236 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1237 switch (ireq->i_type) { 1238 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1239 ireq->i_val = wmep->wmep_logcwmin; 1240 break; 1241 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1242 ireq->i_val = wmep->wmep_logcwmax; 1243 break; 1244 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1245 ireq->i_val = wmep->wmep_aifsn; 1246 break; 1247 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1248 ireq->i_val = wmep->wmep_txopLimit; 1249 break; 1250 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1251 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1252 ireq->i_val = wmep->wmep_acm; 1253 break; 1254 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1255 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1256 ireq->i_val = !wmep->wmep_noackPolicy; 1257 break; 1258 } 1259 return 0; 1260 } 1261 1262 static int 1263 ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1264 { 1265 const struct ieee80211_aclator *acl = ic->ic_acl; 1266 1267 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); 1268 } 1269 1270 /* 1271 * When building the kernel with -O2 on the i386 architecture, gcc 1272 * seems to want to inline this function into ieee80211_ioctl() 1273 * (which is the only routine that calls it). When this happens, 1274 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1275 * space. (Exactly why it needs so much is unclear.) The problem 1276 * is that it's possible for ieee80211_ioctl() to invoke other 1277 * routines (including driver init functions) which could then find 1278 * themselves perilously close to exhausting the stack. 1279 * 1280 * To avoid this, we deliberately prevent gcc from inlining this 1281 * routine. Another way to avoid this is to use less agressive 1282 * optimization when compiling this file (i.e. -O instead of -O2) 1283 * but special-casing the compilation of this one module in the 1284 * build system would be awkward. 1285 */ 1286 #ifdef __GNUC__ 1287 __attribute__ ((noinline)) 1288 #endif 1289 static int 1290 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, 1291 struct ieee80211req *ireq, struct ucred *cr) 1292 { 1293 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1294 int error = 0; 1295 u_int kid, len, m; 1296 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1297 char tmpssid[IEEE80211_NWID_LEN]; 1298 1299 switch (ireq->i_type) { 1300 case IEEE80211_IOC_SSID: 1301 switch (ic->ic_state) { 1302 case IEEE80211_S_INIT: 1303 case IEEE80211_S_SCAN: 1304 ireq->i_len = ic->ic_des_esslen; 1305 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1306 break; 1307 default: 1308 ireq->i_len = ic->ic_bss->ni_esslen; 1309 memcpy(tmpssid, ic->ic_bss->ni_essid, 1310 ireq->i_len); 1311 break; 1312 } 1313 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1314 break; 1315 case IEEE80211_IOC_NUMSSIDS: 1316 ireq->i_val = 1; 1317 break; 1318 case IEEE80211_IOC_WEP: 1319 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1320 ireq->i_val = IEEE80211_WEP_OFF; 1321 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1322 ireq->i_val = IEEE80211_WEP_ON; 1323 else 1324 ireq->i_val = IEEE80211_WEP_MIXED; 1325 break; 1326 case IEEE80211_IOC_WEPKEY: 1327 kid = (u_int) ireq->i_val; 1328 if (kid >= IEEE80211_WEP_NKID) 1329 return EINVAL; 1330 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1331 /* NB: only root can read WEP keys */ 1332 if (suser_cred(cr, NULL_CRED_OKAY) == 0) { 1333 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1334 } else { 1335 bzero(tmpkey, len); 1336 } 1337 ireq->i_len = len; 1338 error = copyout(tmpkey, ireq->i_data, len); 1339 break; 1340 case IEEE80211_IOC_NUMWEPKEYS: 1341 ireq->i_val = IEEE80211_WEP_NKID; 1342 break; 1343 case IEEE80211_IOC_WEPTXKEY: 1344 ireq->i_val = ic->ic_def_txkey; 1345 break; 1346 case IEEE80211_IOC_AUTHMODE: 1347 if (ic->ic_flags & IEEE80211_F_WPA) 1348 ireq->i_val = IEEE80211_AUTH_WPA; 1349 else 1350 ireq->i_val = ic->ic_bss->ni_authmode; 1351 break; 1352 case IEEE80211_IOC_CHANNEL: 1353 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 1354 break; 1355 case IEEE80211_IOC_POWERSAVE: 1356 if (ic->ic_flags & IEEE80211_F_PMGTON) 1357 ireq->i_val = IEEE80211_POWERSAVE_ON; 1358 else 1359 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1360 break; 1361 case IEEE80211_IOC_POWERSAVESLEEP: 1362 ireq->i_val = ic->ic_lintval; 1363 break; 1364 case IEEE80211_IOC_RTSTHRESHOLD: 1365 ireq->i_val = ic->ic_rtsthreshold; 1366 break; 1367 case IEEE80211_IOC_PROTMODE: 1368 ireq->i_val = ic->ic_protmode; 1369 break; 1370 case IEEE80211_IOC_TXPOWER: 1371 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1372 return EINVAL; 1373 ireq->i_val = ic->ic_txpowlimit; 1374 break; 1375 case IEEE80211_IOC_MCASTCIPHER: 1376 ireq->i_val = rsn->rsn_mcastcipher; 1377 break; 1378 case IEEE80211_IOC_MCASTKEYLEN: 1379 ireq->i_val = rsn->rsn_mcastkeylen; 1380 break; 1381 case IEEE80211_IOC_UCASTCIPHERS: 1382 ireq->i_val = 0; 1383 for (m = 0x1; m != 0; m <<= 1) 1384 if (rsn->rsn_ucastcipherset & m) 1385 ireq->i_val |= 1<<cap2cipher(m); 1386 break; 1387 case IEEE80211_IOC_UCASTCIPHER: 1388 ireq->i_val = rsn->rsn_ucastcipher; 1389 break; 1390 case IEEE80211_IOC_UCASTKEYLEN: 1391 ireq->i_val = rsn->rsn_ucastkeylen; 1392 break; 1393 case IEEE80211_IOC_KEYMGTALGS: 1394 ireq->i_val = rsn->rsn_keymgmtset; 1395 break; 1396 case IEEE80211_IOC_RSNCAPS: 1397 ireq->i_val = rsn->rsn_caps; 1398 break; 1399 case IEEE80211_IOC_WPA: 1400 switch (ic->ic_flags & IEEE80211_F_WPA) { 1401 case IEEE80211_F_WPA1: 1402 ireq->i_val = 1; 1403 break; 1404 case IEEE80211_F_WPA2: 1405 ireq->i_val = 2; 1406 break; 1407 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1408 ireq->i_val = 3; 1409 break; 1410 default: 1411 ireq->i_val = 0; 1412 break; 1413 } 1414 break; 1415 case IEEE80211_IOC_CHANLIST: 1416 error = ieee80211_ioctl_getchanlist(ic, ireq); 1417 break; 1418 case IEEE80211_IOC_ROAMING: 1419 ireq->i_val = ic->ic_roaming; 1420 break; 1421 case IEEE80211_IOC_PRIVACY: 1422 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1423 break; 1424 case IEEE80211_IOC_DROPUNENCRYPTED: 1425 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1426 break; 1427 case IEEE80211_IOC_COUNTERMEASURES: 1428 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1429 break; 1430 case IEEE80211_IOC_DRIVER_CAPS: 1431 ireq->i_val = ic->ic_caps>>16; 1432 ireq->i_len = ic->ic_caps&0xffff; 1433 break; 1434 case IEEE80211_IOC_WME: 1435 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1436 break; 1437 case IEEE80211_IOC_HIDESSID: 1438 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1439 break; 1440 case IEEE80211_IOC_APBRIDGE: 1441 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1442 break; 1443 case IEEE80211_IOC_OPTIE: 1444 if (ic->ic_opt_ie == NULL) 1445 return EINVAL; 1446 /* NB: truncate, caller can check length */ 1447 if (ireq->i_len > ic->ic_opt_ie_len) 1448 ireq->i_len = ic->ic_opt_ie_len; 1449 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1450 break; 1451 case IEEE80211_IOC_WPAKEY: 1452 error = ieee80211_ioctl_getkey(ic, ireq, cr); 1453 break; 1454 case IEEE80211_IOC_CHANINFO: 1455 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1456 break; 1457 case IEEE80211_IOC_BSSID: 1458 if (ireq->i_len != IEEE80211_ADDR_LEN) 1459 return EINVAL; 1460 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1461 ic->ic_bss->ni_bssid : 1462 ic->ic_des_bssid, 1463 ireq->i_data, ireq->i_len); 1464 break; 1465 case IEEE80211_IOC_WPAIE: 1466 error = ieee80211_ioctl_getwpaie(ic, ireq); 1467 break; 1468 case IEEE80211_IOC_SCAN_RESULTS: 1469 error = ieee80211_ioctl_getscanresults(ic, ireq); 1470 break; 1471 case IEEE80211_IOC_STA_STATS: 1472 error = ieee80211_ioctl_getstastats(ic, ireq); 1473 break; 1474 case IEEE80211_IOC_TXPOWMAX: 1475 ireq->i_val = ic->ic_bss->ni_txpower; 1476 break; 1477 case IEEE80211_IOC_STA_TXPOW: 1478 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1479 break; 1480 case IEEE80211_IOC_STA_INFO: 1481 error = ieee80211_ioctl_getstainfo(ic, ireq); 1482 break; 1483 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1484 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1485 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1486 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1487 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1488 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1489 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1490 break; 1491 case IEEE80211_IOC_DTIM_PERIOD: 1492 ireq->i_val = ic->ic_dtim_period; 1493 break; 1494 case IEEE80211_IOC_BEACON_INTERVAL: 1495 /* NB: get from ic_bss for station mode */ 1496 ireq->i_val = ic->ic_bss->ni_intval; 1497 break; 1498 case IEEE80211_IOC_PUREG: 1499 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1500 break; 1501 case IEEE80211_IOC_MCAST_RATE: 1502 ireq->i_val = ic->ic_mcast_rate; 1503 break; 1504 case IEEE80211_IOC_FRAGTHRESHOLD: 1505 ireq->i_val = ic->ic_fragthreshold; 1506 break; 1507 case IEEE80211_IOC_MACCMD: 1508 error = ieee80211_ioctl_getmaccmd(ic, ireq); 1509 break; 1510 case IEEE80211_IOC_BURST: 1511 ireq->i_val = (ic->ic_flags & IEEE80211_F_BURST) != 0; 1512 break; 1513 default: 1514 error = EINVAL; 1515 break; 1516 } 1517 return error; 1518 } 1519 1520 static int 1521 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1522 { 1523 int error; 1524 void *ie, *oie; 1525 1526 /* 1527 * NB: Doing this for ap operation could be useful (e.g. for 1528 * WPA and/or WME) except that it typically is worthless 1529 * without being able to intervene when processing 1530 * association response frames--so disallow it for now. 1531 */ 1532 if (ic->ic_opmode != IEEE80211_M_STA) 1533 return EINVAL; 1534 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1535 return EINVAL; 1536 if (ireq->i_len > 0) { 1537 ie = malloc(ireq->i_len, M_DEVBUF, M_NOWAIT); 1538 if (ie == NULL) 1539 return ENOMEM; 1540 error = copyin(ireq->i_data, ie, ireq->i_len); 1541 if (error) { 1542 free(ie, M_DEVBUF); 1543 return error; 1544 } 1545 } else { 1546 ie = NULL; 1547 ireq->i_len = 0; 1548 } 1549 /* XXX sanity check data? */ 1550 oie = ic->ic_opt_ie; 1551 ic->ic_opt_ie = ie; 1552 ic->ic_opt_ie_len = ireq->i_len; 1553 if (oie != NULL) 1554 free(oie, M_DEVBUF); 1555 return 0; 1556 } 1557 1558 static int 1559 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1560 { 1561 struct ieee80211req_key ik; 1562 struct ieee80211_node *ni; 1563 struct ieee80211_key *wk; 1564 uint16_t kid; 1565 int error; 1566 1567 if (ireq->i_len != sizeof(ik)) 1568 return EINVAL; 1569 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1570 if (error) 1571 return error; 1572 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1573 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1574 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1575 return E2BIG; 1576 kid = ik.ik_keyix; 1577 if (kid == IEEE80211_KEYIX_NONE) { 1578 /* XXX unicast keys currently must be tx/rx */ 1579 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1580 return EINVAL; 1581 if (ic->ic_opmode == IEEE80211_M_STA) { 1582 ni = ieee80211_ref_node(ic->ic_bss); 1583 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1584 ieee80211_free_node(ni); 1585 return EADDRNOTAVAIL; 1586 } 1587 } else { 1588 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1589 if (ni == NULL) 1590 return ENOENT; 1591 } 1592 wk = &ni->ni_ucastkey; 1593 } else { 1594 if (kid >= IEEE80211_WEP_NKID) 1595 return EINVAL; 1596 wk = &ic->ic_nw_keys[kid]; 1597 /* 1598 * Global slots start off w/o any assigned key index. 1599 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1600 */ 1601 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1602 wk->wk_keyix = kid; 1603 ni = NULL; 1604 } 1605 error = 0; 1606 ieee80211_key_update_begin(ic); 1607 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1608 wk->wk_keylen = ik.ik_keylen; 1609 /* NB: MIC presence is implied by cipher type */ 1610 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1611 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1612 wk->wk_keyrsc = ik.ik_keyrsc; 1613 wk->wk_keytsc = 0; /* new key, reset */ 1614 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1615 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1616 if (!ieee80211_crypto_setkey(ic, wk, 1617 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1618 error = EIO; 1619 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1620 ic->ic_def_txkey = kid; 1621 } else 1622 error = ENXIO; 1623 ieee80211_key_update_end(ic); 1624 if (ni != NULL) 1625 ieee80211_free_node(ni); 1626 return error; 1627 } 1628 1629 static int 1630 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1631 { 1632 struct ieee80211req_del_key dk; 1633 int kid, error; 1634 1635 if (ireq->i_len != sizeof(dk)) 1636 return EINVAL; 1637 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1638 if (error) 1639 return error; 1640 kid = dk.idk_keyix; 1641 /* XXX uint8_t -> uint16_t */ 1642 if (dk.idk_keyix == (uint8_t)IEEE80211_KEYIX_NONE) { 1643 struct ieee80211_node *ni; 1644 1645 if (ic->ic_opmode == IEEE80211_M_STA) { 1646 ni = ieee80211_ref_node(ic->ic_bss); 1647 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1648 ieee80211_free_node(ni); 1649 return EADDRNOTAVAIL; 1650 } 1651 } else { 1652 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1653 if (ni == NULL) 1654 return ENOENT; 1655 } 1656 /* XXX error return */ 1657 ieee80211_node_delucastkey(ni); 1658 ieee80211_free_node(ni); 1659 } else { 1660 if (kid >= IEEE80211_WEP_NKID) 1661 return EINVAL; 1662 /* XXX error return */ 1663 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1664 } 1665 return 0; 1666 } 1667 1668 static void 1669 domlme(void *arg, struct ieee80211_node *ni) 1670 { 1671 struct ieee80211com *ic = ni->ni_ic; 1672 struct ieee80211req_mlme *mlme = arg; 1673 1674 if (ni->ni_associd != 0) { 1675 IEEE80211_SEND_MGMT(ic, ni, 1676 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1677 IEEE80211_FC0_SUBTYPE_DEAUTH : 1678 IEEE80211_FC0_SUBTYPE_DISASSOC, 1679 mlme->im_reason); 1680 } 1681 ieee80211_node_leave(ic, ni); 1682 } 1683 1684 static int 1685 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1686 { 1687 struct ieee80211req_mlme mlme; 1688 struct ieee80211_node *ni; 1689 int error; 1690 1691 if (ireq->i_len != sizeof(mlme)) 1692 return EINVAL; 1693 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1694 if (error) 1695 return error; 1696 switch (mlme.im_op) { 1697 case IEEE80211_MLME_ASSOC: 1698 if (ic->ic_opmode != IEEE80211_M_STA) 1699 return EINVAL; 1700 /* XXX must be in S_SCAN state? */ 1701 1702 if (mlme.im_ssid_len != 0) { 1703 /* 1704 * Desired ssid specified; must match both bssid and 1705 * ssid to distinguish ap advertising multiple ssid's. 1706 */ 1707 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1708 mlme.im_macaddr, 1709 mlme.im_ssid_len, mlme.im_ssid); 1710 } else { 1711 /* 1712 * Normal case; just match bssid. 1713 */ 1714 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1715 } 1716 if (ni == NULL) 1717 return EINVAL; 1718 if (!ieee80211_sta_join(ic, ni)) { 1719 ieee80211_free_node(ni); 1720 return EINVAL; 1721 } 1722 break; 1723 case IEEE80211_MLME_DISASSOC: 1724 case IEEE80211_MLME_DEAUTH: 1725 switch (ic->ic_opmode) { 1726 case IEEE80211_M_STA: 1727 /* XXX not quite right */ 1728 ieee80211_new_state(ic, IEEE80211_S_INIT, 1729 mlme.im_reason); 1730 break; 1731 case IEEE80211_M_HOSTAP: 1732 /* NB: the broadcast address means do 'em all */ 1733 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1734 if ((ni = ieee80211_find_node(&ic->ic_sta, 1735 mlme.im_macaddr)) == NULL) 1736 return EINVAL; 1737 domlme(&mlme, ni); 1738 ieee80211_free_node(ni); 1739 } else { 1740 ieee80211_iterate_nodes(&ic->ic_sta, 1741 domlme, &mlme); 1742 } 1743 break; 1744 default: 1745 return EINVAL; 1746 } 1747 break; 1748 case IEEE80211_MLME_AUTHORIZE: 1749 case IEEE80211_MLME_UNAUTHORIZE: 1750 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1751 return EINVAL; 1752 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1753 if (ni == NULL) 1754 return EINVAL; 1755 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1756 ieee80211_node_authorize(ni); 1757 else 1758 ieee80211_node_unauthorize(ni); 1759 ieee80211_free_node(ni); 1760 break; 1761 default: 1762 return EINVAL; 1763 } 1764 return 0; 1765 } 1766 1767 static int 1768 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1769 { 1770 uint8_t mac[IEEE80211_ADDR_LEN]; 1771 const struct ieee80211_aclator *acl = ic->ic_acl; 1772 int error; 1773 1774 if (ireq->i_len != sizeof(mac)) 1775 return EINVAL; 1776 error = copyin(ireq->i_data, mac, ireq->i_len); 1777 if (error) 1778 return error; 1779 if (acl == NULL) { 1780 acl = ieee80211_aclator_get("mac"); 1781 if (acl == NULL || !acl->iac_attach(ic)) 1782 return EINVAL; 1783 ic->ic_acl = acl; 1784 } 1785 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1786 acl->iac_add(ic, mac); 1787 else 1788 acl->iac_remove(ic, mac); 1789 return 0; 1790 } 1791 1792 static int 1793 ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1794 { 1795 const struct ieee80211_aclator *acl = ic->ic_acl; 1796 1797 switch (ireq->i_val) { 1798 case IEEE80211_MACCMD_POLICY_OPEN: 1799 case IEEE80211_MACCMD_POLICY_ALLOW: 1800 case IEEE80211_MACCMD_POLICY_DENY: 1801 if (acl == NULL) { 1802 acl = ieee80211_aclator_get("mac"); 1803 if (acl == NULL || !acl->iac_attach(ic)) 1804 return EINVAL; 1805 ic->ic_acl = acl; 1806 } 1807 acl->iac_setpolicy(ic, ireq->i_val); 1808 break; 1809 case IEEE80211_MACCMD_FLUSH: 1810 if (acl != NULL) 1811 acl->iac_flush(ic); 1812 /* NB: silently ignore when not in use */ 1813 break; 1814 case IEEE80211_MACCMD_DETACH: 1815 if (acl != NULL) { 1816 ic->ic_acl = NULL; 1817 acl->iac_detach(ic); 1818 } 1819 break; 1820 default: 1821 if (acl == NULL) 1822 return EINVAL; 1823 else 1824 return acl->iac_setioctl(ic, ireq); 1825 } 1826 return 0; 1827 } 1828 1829 static int 1830 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1831 { 1832 struct ieee80211req_chanlist list; 1833 u_char chanlist[IEEE80211_CHAN_BYTES]; 1834 int i, j, error; 1835 1836 if (ireq->i_len != sizeof(list)) 1837 return EINVAL; 1838 error = copyin(ireq->i_data, &list, sizeof(list)); 1839 if (error) 1840 return error; 1841 memset(chanlist, 0, sizeof(chanlist)); 1842 /* 1843 * Since channel 0 is not available for DS, channel 1 1844 * is assigned to LSB on WaveLAN. 1845 */ 1846 if (ic->ic_phytype == IEEE80211_T_DS) 1847 i = 1; 1848 else 1849 i = 0; 1850 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1851 /* 1852 * NB: silently discard unavailable channels so users 1853 * can specify 1-255 to get all available channels. 1854 */ 1855 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1856 setbit(chanlist, i); 1857 } 1858 if (ic->ic_ibss_chan == NULL || 1859 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1860 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1861 if (isset(chanlist, i)) { 1862 ic->ic_ibss_chan = &ic->ic_channels[i]; 1863 goto found; 1864 } 1865 return EINVAL; /* no active channels */ 1866 found: 1867 ; 1868 } 1869 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1870 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1871 } 1872 1873 static int 1874 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1875 { 1876 struct ieee80211_node *ni; 1877 struct ieee80211req_sta_txpow txpow; 1878 int error; 1879 1880 if (ireq->i_len != sizeof(txpow)) 1881 return EINVAL; 1882 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1883 if (error != 0) 1884 return error; 1885 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1886 if (ni == NULL) 1887 return EINVAL; /* XXX */ 1888 ni->ni_txpower = txpow.it_txpow; 1889 ieee80211_free_node(ni); 1890 return error; 1891 } 1892 1893 static int 1894 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1895 { 1896 struct ieee80211_wme_state *wme = &ic->ic_wme; 1897 struct wmeParams *wmep, *chanp; 1898 int isbss, ac; 1899 1900 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1901 return EINVAL; 1902 1903 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1904 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1905 if (ac >= WME_NUM_AC) 1906 ac = WME_AC_BE; 1907 if (isbss) { 1908 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1909 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1910 } else { 1911 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1912 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1913 } 1914 switch (ireq->i_type) { 1915 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1916 if (isbss) { 1917 wmep->wmep_logcwmin = ireq->i_val; 1918 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1919 chanp->wmep_logcwmin = ireq->i_val; 1920 } else { 1921 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1922 ireq->i_val; 1923 } 1924 break; 1925 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1926 if (isbss) { 1927 wmep->wmep_logcwmax = ireq->i_val; 1928 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1929 chanp->wmep_logcwmax = ireq->i_val; 1930 } else { 1931 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1932 ireq->i_val; 1933 } 1934 break; 1935 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1936 if (isbss) { 1937 wmep->wmep_aifsn = ireq->i_val; 1938 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1939 chanp->wmep_aifsn = ireq->i_val; 1940 } else { 1941 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1942 } 1943 break; 1944 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1945 if (isbss) { 1946 wmep->wmep_txopLimit = ireq->i_val; 1947 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1948 chanp->wmep_txopLimit = ireq->i_val; 1949 } else { 1950 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1951 ireq->i_val; 1952 } 1953 break; 1954 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1955 wmep->wmep_acm = ireq->i_val; 1956 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1957 chanp->wmep_acm = ireq->i_val; 1958 break; 1959 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1960 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1961 (ireq->i_val) == 0; 1962 break; 1963 } 1964 ieee80211_wme_updateparams(ic); 1965 return 0; 1966 } 1967 1968 static int 1969 cipher2cap(int cipher) 1970 { 1971 switch (cipher) { 1972 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 1973 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 1974 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 1975 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 1976 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 1977 } 1978 return 0; 1979 } 1980 1981 static int 1982 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1983 { 1984 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 1985 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1986 int error; 1987 const struct ieee80211_authenticator *auth; 1988 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1989 char tmpssid[IEEE80211_NWID_LEN]; 1990 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 1991 struct ieee80211_key *k; 1992 int j, caps; 1993 u_int kid; 1994 1995 error = 0; 1996 switch (ireq->i_type) { 1997 case IEEE80211_IOC_SSID: 1998 if (ireq->i_val != 0 || 1999 ireq->i_len > IEEE80211_NWID_LEN) 2000 return EINVAL; 2001 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2002 if (error) 2003 break; 2004 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2005 ic->ic_des_esslen = ireq->i_len; 2006 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 2007 error = ENETRESET; 2008 break; 2009 case IEEE80211_IOC_WEP: 2010 switch (ireq->i_val) { 2011 case IEEE80211_WEP_OFF: 2012 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2013 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2014 break; 2015 case IEEE80211_WEP_ON: 2016 ic->ic_flags |= IEEE80211_F_PRIVACY; 2017 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2018 break; 2019 case IEEE80211_WEP_MIXED: 2020 ic->ic_flags |= IEEE80211_F_PRIVACY; 2021 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2022 break; 2023 } 2024 error = ENETRESET; 2025 break; 2026 case IEEE80211_IOC_WEPKEY: 2027 kid = (u_int)ireq->i_val; 2028 if (kid >= IEEE80211_WEP_NKID) 2029 return EINVAL; 2030 k = &ic->ic_nw_keys[kid]; 2031 if (ireq->i_len == 0) { 2032 /* zero-len =>'s delete any existing key */ 2033 ieee80211_crypto_delkey(ic, k); 2034 break; 2035 } 2036 if (ireq->i_len > sizeof(tmpkey)) 2037 return EINVAL; 2038 memset(tmpkey, 0, sizeof(tmpkey)); 2039 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2040 if (error) 2041 break; 2042 ieee80211_key_update_begin(ic); 2043 k->wk_keyix = kid; /* NB: force fixed key id */ 2044 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2045 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2046 k->wk_keylen = ireq->i_len; 2047 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2048 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2049 error = EINVAL; 2050 } else 2051 error = EINVAL; 2052 ieee80211_key_update_end(ic); 2053 if (!error) /* NB: for compatibility */ 2054 error = ENETRESET; 2055 break; 2056 case IEEE80211_IOC_WEPTXKEY: 2057 kid = (u_int) ireq->i_val; 2058 if (kid >= IEEE80211_WEP_NKID && 2059 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2060 return EINVAL; 2061 ic->ic_def_txkey = kid; 2062 error = ENETRESET; /* push to hardware */ 2063 break; 2064 case IEEE80211_IOC_AUTHMODE: 2065 switch (ireq->i_val) { 2066 case IEEE80211_AUTH_WPA: 2067 case IEEE80211_AUTH_8021X: /* 802.1x */ 2068 case IEEE80211_AUTH_OPEN: /* open */ 2069 case IEEE80211_AUTH_SHARED: /* shared-key */ 2070 case IEEE80211_AUTH_AUTO: /* auto */ 2071 auth = ieee80211_authenticator_get(ireq->i_val); 2072 if (auth == NULL) 2073 return EINVAL; 2074 break; 2075 default: 2076 return EINVAL; 2077 } 2078 switch (ireq->i_val) { 2079 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2080 ic->ic_flags |= IEEE80211_F_PRIVACY; 2081 ireq->i_val = IEEE80211_AUTH_8021X; 2082 break; 2083 case IEEE80211_AUTH_OPEN: /* open */ 2084 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2085 break; 2086 case IEEE80211_AUTH_SHARED: /* shared-key */ 2087 case IEEE80211_AUTH_8021X: /* 802.1x */ 2088 ic->ic_flags &= ~IEEE80211_F_WPA; 2089 /* both require a key so mark the PRIVACY capability */ 2090 ic->ic_flags |= IEEE80211_F_PRIVACY; 2091 break; 2092 case IEEE80211_AUTH_AUTO: /* auto */ 2093 ic->ic_flags &= ~IEEE80211_F_WPA; 2094 /* XXX PRIVACY handling? */ 2095 /* XXX what's the right way to do this? */ 2096 break; 2097 } 2098 /* NB: authenticator attach/detach happens on state change */ 2099 ic->ic_bss->ni_authmode = ireq->i_val; 2100 /* XXX mixed/mode/usage? */ 2101 ic->ic_auth = auth; 2102 error = ENETRESET; 2103 break; 2104 case IEEE80211_IOC_CHANNEL: 2105 /* XXX 0xffff overflows 16-bit signed */ 2106 if (ireq->i_val == 0 || 2107 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2108 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2109 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2110 isclr(ic->ic_chan_active, ireq->i_val)) { 2111 return EINVAL; 2112 } else 2113 ic->ic_ibss_chan = ic->ic_des_chan = 2114 &ic->ic_channels[ireq->i_val]; 2115 switch (ic->ic_state) { 2116 case IEEE80211_S_INIT: 2117 case IEEE80211_S_SCAN: 2118 error = ENETRESET; 2119 break; 2120 default: 2121 /* 2122 * If the desired channel has changed (to something 2123 * other than any) and we're not already scanning, 2124 * then kick the state machine. 2125 */ 2126 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2127 ic->ic_bss->ni_chan != ic->ic_des_chan && 2128 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2129 error = ENETRESET; 2130 break; 2131 } 2132 if (error == ENETRESET && 2133 ic->ic_opmode == IEEE80211_M_MONITOR) { 2134 if (IS_UP(ic)) { 2135 /* 2136 * Monitor mode can switch directly. 2137 */ 2138 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 2139 ic->ic_curchan = ic->ic_des_chan; 2140 error = ic->ic_reset(ic->ic_ifp); 2141 } else 2142 error = 0; 2143 } 2144 break; 2145 case IEEE80211_IOC_POWERSAVE: 2146 switch (ireq->i_val) { 2147 case IEEE80211_POWERSAVE_OFF: 2148 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2149 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2150 error = ENETRESET; 2151 } 2152 break; 2153 case IEEE80211_POWERSAVE_ON: 2154 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2155 error = EINVAL; 2156 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2157 ic->ic_flags |= IEEE80211_F_PMGTON; 2158 error = ENETRESET; 2159 } 2160 break; 2161 default: 2162 error = EINVAL; 2163 break; 2164 } 2165 break; 2166 case IEEE80211_IOC_POWERSAVESLEEP: 2167 if (ireq->i_val < 0) 2168 return EINVAL; 2169 ic->ic_lintval = ireq->i_val; 2170 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2171 break; 2172 case IEEE80211_IOC_RTSTHRESHOLD: 2173 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2174 ireq->i_val <= IEEE80211_RTS_MAX)) 2175 return EINVAL; 2176 ic->ic_rtsthreshold = ireq->i_val; 2177 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2178 break; 2179 case IEEE80211_IOC_PROTMODE: 2180 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2181 return EINVAL; 2182 ic->ic_protmode = ireq->i_val; 2183 /* NB: if not operating in 11g this can wait */ 2184 if (ic->ic_curmode == IEEE80211_MODE_11G) 2185 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2186 break; 2187 case IEEE80211_IOC_TXPOWER: 2188 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2189 return EINVAL; 2190 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2191 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2192 return EINVAL; 2193 ic->ic_txpowlimit = ireq->i_val; 2194 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2195 break; 2196 case IEEE80211_IOC_ROAMING: 2197 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2198 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2199 return EINVAL; 2200 ic->ic_roaming = ireq->i_val; 2201 /* XXXX reset? */ 2202 break; 2203 case IEEE80211_IOC_PRIVACY: 2204 if (ireq->i_val) { 2205 /* XXX check for key state? */ 2206 ic->ic_flags |= IEEE80211_F_PRIVACY; 2207 } else 2208 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2209 break; 2210 case IEEE80211_IOC_DROPUNENCRYPTED: 2211 if (ireq->i_val) 2212 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2213 else 2214 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2215 break; 2216 case IEEE80211_IOC_WPAKEY: 2217 error = ieee80211_ioctl_setkey(ic, ireq); 2218 break; 2219 case IEEE80211_IOC_DELKEY: 2220 error = ieee80211_ioctl_delkey(ic, ireq); 2221 break; 2222 case IEEE80211_IOC_MLME: 2223 error = ieee80211_ioctl_setmlme(ic, ireq); 2224 break; 2225 case IEEE80211_IOC_OPTIE: 2226 error = ieee80211_ioctl_setoptie(ic, ireq); 2227 break; 2228 case IEEE80211_IOC_COUNTERMEASURES: 2229 if (ireq->i_val) { 2230 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2231 return EINVAL; 2232 ic->ic_flags |= IEEE80211_F_COUNTERM; 2233 } else 2234 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2235 break; 2236 case IEEE80211_IOC_WPA: 2237 if (ireq->i_val > 3) 2238 return EINVAL; 2239 /* XXX verify ciphers available */ 2240 ic->ic_flags &= ~IEEE80211_F_WPA; 2241 switch (ireq->i_val) { 2242 case 1: 2243 ic->ic_flags |= IEEE80211_F_WPA1; 2244 break; 2245 case 2: 2246 ic->ic_flags |= IEEE80211_F_WPA2; 2247 break; 2248 case 3: 2249 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2250 break; 2251 } 2252 error = ENETRESET; /* XXX? */ 2253 break; 2254 case IEEE80211_IOC_WME: 2255 if (ireq->i_val) { 2256 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2257 return EINVAL; 2258 ic->ic_flags |= IEEE80211_F_WME; 2259 } else 2260 ic->ic_flags &= ~IEEE80211_F_WME; 2261 error = ENETRESET; /* XXX maybe not for station? */ 2262 break; 2263 case IEEE80211_IOC_HIDESSID: 2264 if (ireq->i_val) 2265 ic->ic_flags |= IEEE80211_F_HIDESSID; 2266 else 2267 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2268 error = ENETRESET; 2269 break; 2270 case IEEE80211_IOC_APBRIDGE: 2271 if (ireq->i_val == 0) 2272 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2273 else 2274 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2275 break; 2276 case IEEE80211_IOC_MCASTCIPHER: 2277 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2278 !ieee80211_crypto_available(ireq->i_val)) 2279 return EINVAL; 2280 rsn->rsn_mcastcipher = ireq->i_val; 2281 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2282 break; 2283 case IEEE80211_IOC_MCASTKEYLEN: 2284 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2285 return EINVAL; 2286 /* XXX no way to verify driver capability */ 2287 rsn->rsn_mcastkeylen = ireq->i_val; 2288 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2289 break; 2290 case IEEE80211_IOC_UCASTCIPHERS: 2291 /* 2292 * Convert user-specified cipher set to the set 2293 * we can support (via hardware or software). 2294 * NB: this logic intentionally ignores unknown and 2295 * unsupported ciphers so folks can specify 0xff or 2296 * similar and get all available ciphers. 2297 */ 2298 caps = 0; 2299 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2300 if ((ireq->i_val & (1<<j)) && 2301 ((ic->ic_caps & cipher2cap(j)) || 2302 ieee80211_crypto_available(j))) 2303 caps |= 1<<j; 2304 if (caps == 0) /* nothing available */ 2305 return EINVAL; 2306 /* XXX verify ciphers ok for unicast use? */ 2307 /* XXX disallow if running as it'll have no effect */ 2308 rsn->rsn_ucastcipherset = caps; 2309 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2310 break; 2311 case IEEE80211_IOC_UCASTCIPHER: 2312 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2313 return EINVAL; 2314 rsn->rsn_ucastcipher = ireq->i_val; 2315 break; 2316 case IEEE80211_IOC_UCASTKEYLEN: 2317 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2318 return EINVAL; 2319 /* XXX no way to verify driver capability */ 2320 rsn->rsn_ucastkeylen = ireq->i_val; 2321 break; 2322 case IEEE80211_IOC_DRIVER_CAPS: 2323 /* NB: for testing */ 2324 ic->ic_caps = (((uint16_t)ireq->i_val) << 16) | 2325 ((uint16_t)ireq->i_len); 2326 break; 2327 case IEEE80211_IOC_KEYMGTALGS: 2328 /* XXX check */ 2329 rsn->rsn_keymgmtset = ireq->i_val; 2330 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2331 break; 2332 case IEEE80211_IOC_RSNCAPS: 2333 /* XXX check */ 2334 rsn->rsn_caps = ireq->i_val; 2335 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2336 break; 2337 case IEEE80211_IOC_BSSID: 2338 if (ireq->i_len != sizeof(tmpbssid)) 2339 return EINVAL; 2340 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2341 if (error) 2342 break; 2343 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2344 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2345 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2346 else 2347 ic->ic_flags |= IEEE80211_F_DESBSSID; 2348 error = ENETRESET; 2349 break; 2350 case IEEE80211_IOC_CHANLIST: 2351 error = ieee80211_ioctl_setchanlist(ic, ireq); 2352 break; 2353 case IEEE80211_IOC_SCAN_REQ: 2354 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2355 break; 2356 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2357 if (error == 0) /* XXX background scan */ 2358 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2359 break; 2360 case IEEE80211_IOC_ADDMAC: 2361 case IEEE80211_IOC_DELMAC: 2362 error = ieee80211_ioctl_macmac(ic, ireq); 2363 break; 2364 case IEEE80211_IOC_MACCMD: 2365 error = ieee80211_ioctl_setmaccmd(ic, ireq); 2366 break; 2367 case IEEE80211_IOC_STA_TXPOW: 2368 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2369 break; 2370 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2371 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2372 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2373 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2374 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2375 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2376 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2377 break; 2378 case IEEE80211_IOC_DTIM_PERIOD: 2379 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2380 ic->ic_opmode != IEEE80211_M_IBSS) 2381 return EINVAL; 2382 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2383 ireq->i_val <= IEEE80211_DTIM_MAX) { 2384 ic->ic_dtim_period = ireq->i_val; 2385 error = ENETRESET; /* requires restart */ 2386 } else 2387 error = EINVAL; 2388 break; 2389 case IEEE80211_IOC_BEACON_INTERVAL: 2390 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2391 ic->ic_opmode != IEEE80211_M_IBSS) 2392 return EINVAL; 2393 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2394 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2395 ic->ic_bintval = ireq->i_val; 2396 error = ENETRESET; /* requires restart */ 2397 } else 2398 error = EINVAL; 2399 break; 2400 case IEEE80211_IOC_PUREG: 2401 if (ireq->i_val) 2402 ic->ic_flags |= IEEE80211_F_PUREG; 2403 else 2404 ic->ic_flags &= ~IEEE80211_F_PUREG; 2405 /* NB: reset only if we're operating on an 11g channel */ 2406 if (ic->ic_curmode == IEEE80211_MODE_11G) 2407 error = ENETRESET; 2408 break; 2409 case IEEE80211_IOC_MCAST_RATE: 2410 ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL; 2411 break; 2412 case IEEE80211_IOC_FRAGTHRESHOLD: 2413 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && 2414 ireq->i_val != IEEE80211_FRAG_MAX) 2415 return EINVAL; 2416 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2417 ireq->i_val <= IEEE80211_FRAG_MAX)) 2418 return EINVAL; 2419 ic->ic_fragthreshold = ireq->i_val; 2420 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2421 break; 2422 case IEEE80211_IOC_BURST: 2423 if (ireq->i_val) { 2424 if ((ic->ic_caps & IEEE80211_C_BURST) == 0) 2425 return EINVAL; 2426 ic->ic_flags |= IEEE80211_F_BURST; 2427 } else 2428 ic->ic_flags &= ~IEEE80211_F_BURST; 2429 error = ENETRESET; /* XXX maybe not for station? */ 2430 break; 2431 default: 2432 error = EINVAL; 2433 break; 2434 } 2435 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2436 error = 0; 2437 return error; 2438 } 2439 2440 int 2441 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data, 2442 struct ucred *cr) 2443 { 2444 struct ifnet *ifp = ic->ic_ifp; 2445 int error = 0; 2446 struct ifreq *ifr; 2447 struct ifaddr *ifa; /* XXX */ 2448 2449 switch (cmd) { 2450 case SIOCSIFMEDIA: 2451 case SIOCGIFMEDIA: 2452 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2453 &ic->ic_media, cmd); 2454 break; 2455 case SIOCG80211: 2456 error = ieee80211_ioctl_get80211(ic, cmd, 2457 (struct ieee80211req *) data, cr); 2458 break; 2459 case SIOCS80211: 2460 error = suser_cred(cr, NULL_CRED_OKAY); 2461 if (error == 0) 2462 error = ieee80211_ioctl_set80211(ic, cmd, 2463 (struct ieee80211req *) data); 2464 break; 2465 case SIOCGIFGENERIC: 2466 error = ieee80211_cfgget(ic, cmd, data, cr); 2467 break; 2468 case SIOCSIFGENERIC: 2469 error = suser_cred(cr, NULL_CRED_OKAY); 2470 if (error) 2471 break; 2472 error = ieee80211_cfgset(ic, cmd, data); 2473 break; 2474 case SIOCG80211STATS: 2475 ifr = (struct ifreq *)data; 2476 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2477 break; 2478 case SIOCSIFMTU: 2479 ifr = (struct ifreq *)data; 2480 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2481 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2482 error = EINVAL; 2483 else 2484 ifp->if_mtu = ifr->ifr_mtu; 2485 break; 2486 case SIOCSIFADDR: 2487 /* 2488 * XXX Handle this directly so we can supress if_init calls. 2489 * XXX This should be done in ether_ioctl but for the moment 2490 * XXX there are too many other parts of the system that 2491 * XXX set IFF_UP and so supress if_init being called when 2492 * XXX it should be. 2493 */ 2494 ifa = (struct ifaddr *) data; 2495 switch (ifa->ifa_addr->sa_family) { 2496 #ifdef INET 2497 case AF_INET: 2498 if ((ifp->if_flags & IFF_UP) == 0) { 2499 ifp->if_flags |= IFF_UP; 2500 ifp->if_init(ifp->if_softc); 2501 } 2502 arp_ifinit(ifp, ifa); 2503 break; 2504 #endif 2505 #ifdef IPX 2506 /* 2507 * XXX - This code is probably wrong, 2508 * but has been copied many times. 2509 */ 2510 case AF_IPX: { 2511 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2512 2513 if (ipx_nullhost(*ina)) { 2514 ina->x_host = *(union ipx_host *) 2515 IF_LLADDR(ifp); 2516 } else { 2517 bcopy(ina->x_host.c_host, IF_LLADDR(ifp), 2518 ETHER_ADDR_LEN); 2519 } 2520 /* fall thru... */ 2521 } 2522 #endif 2523 default: 2524 if ((ifp->if_flags & IFF_UP) == 0) { 2525 ifp->if_flags |= IFF_UP; 2526 ifp->if_init(ifp->if_softc); 2527 } 2528 break; 2529 } 2530 break; 2531 default: 2532 error = ether_ioctl(ifp, cmd, data); 2533 break; 2534 } 2535 return error; 2536 } 2537