ieee80211_ioctl.c revision 1.26
1 /* $NetBSD: ieee80211_ioctl.c,v 1.26 2005/11/18 16:40:08 skrll Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #ifdef __FreeBSD__ 36 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.35 2005/08/30 14:27:47 avatar Exp $"); 37 #endif 38 #ifdef __NetBSD__ 39 __KERNEL_RCSID(0, "$NetBSD: ieee80211_ioctl.c,v 1.26 2005/11/18 16:40:08 skrll Exp $"); 40 #endif 41 42 /* 43 * IEEE 802.11 ioctl support (FreeBSD-specific) 44 */ 45 46 #include "opt_inet.h" 47 48 #include <sys/endian.h> 49 #include <sys/param.h> 50 #include <sys/kernel.h> 51 #include <sys/socket.h> 52 #include <sys/sockio.h> 53 #include <sys/systm.h> 54 #include <sys/proc.h> 55 56 #include <net/if.h> 57 #include <net/if_arp.h> 58 #include <net/if_media.h> 59 #include <net/if_ether.h> 60 61 #ifdef INET 62 #include <netinet/in.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #include <net80211/ieee80211_var.h> 67 #include <net80211/ieee80211_ioctl.h> 68 69 #include <dev/ic/wi_ieee.h> 70 71 #ifdef __FreeBSD__ 72 #define IS_UP(_ic) \ 73 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 74 ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING)) 75 #endif 76 #ifdef __NetBSD__ 77 #define IS_UP(_ic) \ 78 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 79 ((_ic)->ic_ifp->if_flags & IFF_RUNNING)) 80 #endif 81 #define IS_UP_AUTO(_ic) \ 82 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 83 84 /* 85 * XXX 86 * Wireless LAN specific configuration interface, which is compatible 87 * with wicontrol(8). 88 */ 89 90 struct wi_read_ap_args { 91 int i; /* result count */ 92 struct wi_apinfo *ap; /* current entry in result buffer */ 93 caddr_t max; /* result buffer bound */ 94 }; 95 96 static void 97 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 98 { 99 struct ieee80211com *ic = ni->ni_ic; 100 struct wi_read_ap_args *sa = arg; 101 struct wi_apinfo *ap = sa->ap; 102 struct ieee80211_rateset *rs; 103 int j; 104 105 if ((caddr_t)(ap + 1) > sa->max) 106 return; 107 memset(ap, 0, sizeof(struct wi_apinfo)); 108 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 109 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 110 ap->namelen = ic->ic_des_esslen; 111 if (ic->ic_des_esslen) 112 memcpy(ap->name, ic->ic_des_essid, 113 ic->ic_des_esslen); 114 } else { 115 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 116 ap->namelen = ni->ni_esslen; 117 if (ni->ni_esslen) 118 memcpy(ap->name, ni->ni_essid, 119 ni->ni_esslen); 120 } 121 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 122 ap->signal = ic->ic_node_getrssi(ni); 123 ap->capinfo = ni->ni_capinfo; 124 ap->interval = ni->ni_intval; 125 rs = &ni->ni_rates; 126 for (j = 0; j < rs->rs_nrates; j++) { 127 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 128 ap->rate = (rs->rs_rates[j] & 129 IEEE80211_RATE_VAL) * 5; /* XXX */ 130 } 131 } 132 sa->i++; 133 sa->ap++; 134 } 135 136 struct wi_read_prism2_args { 137 int i; /* result count */ 138 struct wi_scan_res *res;/* current entry in result buffer */ 139 caddr_t max; /* result buffer bound */ 140 }; 141 142 #if 0 143 static void 144 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 145 { 146 struct ieee80211com *ic = ni->ni_ic; 147 struct wi_read_prism2_args *sa = arg; 148 struct wi_scan_res *res = sa->res; 149 150 if ((caddr_t)(res + 1) > sa->max) 151 return; 152 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 153 res->wi_noise = 0; 154 res->wi_signal = ic->ic_node_getrssi(ni); 155 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 156 res->wi_interval = ni->ni_intval; 157 res->wi_capinfo = ni->ni_capinfo; 158 res->wi_ssid_len = ni->ni_esslen; 159 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 160 /* NB: assumes wi_srates holds <= ni->ni_rates */ 161 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 162 sizeof(res->wi_srates)); 163 if (ni->ni_rates.rs_nrates < 10) 164 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 165 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 166 res->wi_rsvd = 0; 167 168 sa->i++; 169 sa->res++; 170 } 171 172 struct wi_read_sigcache_args { 173 int i; /* result count */ 174 struct wi_sigcache *wsc;/* current entry in result buffer */ 175 caddr_t max; /* result buffer bound */ 176 }; 177 178 static void 179 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 180 { 181 struct ieee80211com *ic = ni->ni_ic; 182 struct wi_read_sigcache_args *sa = arg; 183 struct wi_sigcache *wsc = sa->wsc; 184 185 if ((caddr_t)(wsc + 1) > sa->max) 186 return; 187 memset(wsc, 0, sizeof(struct wi_sigcache)); 188 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 189 wsc->signal = ic->ic_node_getrssi(ni); 190 191 sa->wsc++; 192 sa->i++; 193 } 194 #endif 195 196 int 197 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data) 198 { 199 struct ifnet *ifp = ic->ic_ifp; 200 int i, j, error; 201 struct ifreq *ifr = (struct ifreq *)data; 202 struct wi_req wreq; 203 struct wi_ltv_keys *keys; 204 205 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 206 if (error) 207 return error; 208 wreq.wi_len = 0; 209 switch (wreq.wi_type) { 210 case WI_RID_SERIALNO: 211 case WI_RID_STA_IDENTITY: 212 /* nothing appropriate */ 213 break; 214 case WI_RID_NODENAME: 215 strlcpy((char *)&wreq.wi_val[1], hostname, 216 sizeof(wreq.wi_val) - sizeof(wreq.wi_val[0])); 217 wreq.wi_val[0] = htole16(strlen(hostname)); 218 wreq.wi_len = (1 + strlen(hostname) + 1) / 2; 219 break; 220 case WI_RID_CURRENT_SSID: 221 if (ic->ic_state != IEEE80211_S_RUN) { 222 wreq.wi_val[0] = 0; 223 wreq.wi_len = 1; 224 break; 225 } 226 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen); 227 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid, 228 ic->ic_bss->ni_esslen); 229 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 230 break; 231 case WI_RID_OWN_SSID: 232 case WI_RID_DESIRED_SSID: 233 wreq.wi_val[0] = htole16(ic->ic_des_esslen); 234 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 235 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2; 236 break; 237 case WI_RID_CURRENT_BSSID: 238 if (ic->ic_state == IEEE80211_S_RUN) 239 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid); 240 else 241 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN); 242 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 243 break; 244 case WI_RID_CHANNEL_LIST: 245 memset(wreq.wi_val, 0, sizeof(wreq.wi_val)); 246 /* 247 * Since channel 0 is not available for DS, channel 1 248 * is assigned to LSB on WaveLAN. 249 */ 250 if (ic->ic_phytype == IEEE80211_T_DS) 251 i = 1; 252 else 253 i = 0; 254 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 255 if (isset(ic->ic_chan_active, i)) { 256 setbit((u_int8_t *)wreq.wi_val, j); 257 wreq.wi_len = j / 16 + 1; 258 } 259 break; 260 case WI_RID_OWN_CHNL: 261 wreq.wi_val[0] = htole16( 262 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 263 wreq.wi_len = 1; 264 break; 265 case WI_RID_CURRENT_CHAN: 266 wreq.wi_val[0] = htole16( 267 ieee80211_chan2ieee(ic, ic->ic_curchan)); 268 wreq.wi_len = 1; 269 break; 270 case WI_RID_COMMS_QUALITY: 271 wreq.wi_val[0] = 0; /* quality */ 272 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 273 wreq.wi_val[2] = 0; /* noise */ 274 wreq.wi_len = 3; 275 break; 276 case WI_RID_PROMISC: 277 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 278 wreq.wi_len = 1; 279 break; 280 case WI_RID_PORTTYPE: 281 wreq.wi_val[0] = htole16(ic->ic_opmode); 282 wreq.wi_len = 1; 283 break; 284 case WI_RID_MAC_NODE: 285 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr); 286 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 287 break; 288 case WI_RID_TX_RATE: 289 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 290 wreq.wi_val[0] = 0; /* auto */ 291 else 292 wreq.wi_val[0] = htole16( 293 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 294 IEEE80211_RATE_VAL) / 2); 295 wreq.wi_len = 1; 296 break; 297 case WI_RID_CUR_TX_RATE: 298 wreq.wi_val[0] = htole16( 299 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 300 IEEE80211_RATE_VAL) / 2); 301 wreq.wi_len = 1; 302 break; 303 case WI_RID_FRAG_THRESH: 304 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 305 wreq.wi_len = 1; 306 break; 307 case WI_RID_RTS_THRESH: 308 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold); 309 wreq.wi_len = 1; 310 break; 311 case WI_RID_CREATE_IBSS: 312 wreq.wi_val[0] = 313 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 314 wreq.wi_len = 1; 315 break; 316 case WI_RID_MICROWAVE_OVEN: 317 wreq.wi_val[0] = 0; /* no ... not supported */ 318 wreq.wi_len = 1; 319 break; 320 case WI_RID_ROAMING_MODE: 321 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 322 wreq.wi_len = 1; 323 break; 324 case WI_RID_SYSTEM_SCALE: 325 wreq.wi_val[0] = htole16(1); /* low density ... not supp */ 326 wreq.wi_len = 1; 327 break; 328 case WI_RID_PM_ENABLED: 329 wreq.wi_val[0] = 330 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 331 wreq.wi_len = 1; 332 break; 333 case WI_RID_MAX_SLEEP: 334 wreq.wi_val[0] = htole16(ic->ic_lintval); 335 wreq.wi_len = 1; 336 break; 337 case WI_RID_CUR_BEACON_INT: 338 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval); 339 wreq.wi_len = 1; 340 break; 341 case WI_RID_WEP_AVAIL: 342 wreq.wi_val[0] = htole16(1); /* always available */ 343 wreq.wi_len = 1; 344 break; 345 case WI_RID_CNFAUTHMODE: 346 wreq.wi_val[0] = htole16(1); /* TODO: open system only */ 347 wreq.wi_len = 1; 348 break; 349 case WI_RID_ENCRYPTION: 350 wreq.wi_val[0] = 351 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 352 wreq.wi_len = 1; 353 break; 354 case WI_RID_TX_CRYPT_KEY: 355 wreq.wi_val[0] = htole16(ic->ic_def_txkey); 356 wreq.wi_len = 1; 357 break; 358 case WI_RID_DEFLT_CRYPT_KEYS: 359 keys = (struct wi_ltv_keys *)&wreq; 360 /* do not show keys to non-root user */ 361 error = suser(curproc->p_ucred, &curproc->p_acflag); 362 if (error) { 363 memset(keys, 0, sizeof(*keys)); 364 error = 0; 365 break; 366 } 367 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 368 keys->wi_keys[i].wi_keylen = 369 htole16(ic->ic_nw_keys[i].wk_keylen); 370 memcpy(keys->wi_keys[i].wi_keydat, 371 ic->ic_nw_keys[i].wk_key, 372 ic->ic_nw_keys[i].wk_keylen); 373 } 374 wreq.wi_len = sizeof(*keys) / 2; 375 break; 376 case WI_RID_MAX_DATALEN: 377 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 378 wreq.wi_len = 1; 379 break; 380 case WI_RID_DBM_ADJUST: 381 /* not supported, we just pass rssi value from driver. */ 382 break; 383 case WI_RID_IFACE_STATS: 384 /* XXX: should be implemented in lower drivers */ 385 break; 386 case WI_RID_READ_APS: 387 /* 388 * Don't return results until active scan completes. 389 */ 390 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 391 struct wi_read_ap_args args; 392 393 args.i = 0; 394 args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); 395 args.max = (void *)(&wreq + 1); 396 ieee80211_iterate_nodes(&ic->ic_scan, 397 wi_read_ap_result, &args); 398 memcpy(wreq.wi_val, &args.i, sizeof(args.i)); 399 wreq.wi_len = (sizeof(int) + 400 sizeof(struct wi_apinfo) * args.i) / 2; 401 } else 402 error = EINPROGRESS; 403 break; 404 #if 0 405 case WI_RID_SCAN_RES: /* compatibility interface */ 406 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 407 struct wi_read_prism2_args args; 408 struct wi_scan_p2_hdr *p2; 409 410 /* NB: use Prism2 format so we can include rate info */ 411 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; 412 args.i = 0; 413 args.res = (void *)&p2[1]; 414 args.max = (void *)(&wreq + 1); 415 ieee80211_iterate_nodes(&ic->ic_scan, 416 wi_read_prism2_result, &args); 417 p2->wi_rsvd = 0; 418 p2->wi_reason = args.i; 419 wreq.wi_len = (sizeof(*p2) + 420 sizeof(struct wi_scan_res) * args.i) / 2; 421 } else 422 error = EINPROGRESS; 423 break; 424 case WI_RID_READ_CACHE: { 425 struct wi_read_sigcache_args args; 426 args.i = 0; 427 args.wsc = (struct wi_sigcache *) wreq.wi_val; 428 args.max = (void *)(&wreq + 1); 429 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 430 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 431 break; 432 } 433 #endif 434 default: 435 error = EINVAL; 436 break; 437 } 438 if (error == 0) { 439 wreq.wi_len++; 440 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 441 } 442 return error; 443 } 444 445 static int 446 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 447 { 448 #define IEEERATE(_ic,_m,_i) \ 449 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 450 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 451 for (i = 0; i < nrates; i++) 452 if (IEEERATE(ic, mode, i) == rate) 453 return i; 454 return -1; 455 #undef IEEERATE 456 } 457 458 /* 459 * Prepare to do a user-initiated scan for AP's. If no 460 * current/default channel is setup or the current channel 461 * is invalid then pick the first available channel from 462 * the active list as the place to start the scan. 463 */ 464 static int 465 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 466 { 467 468 /* 469 * XXX don't permit a scan to be started unless we 470 * know the device is ready. For the moment this means 471 * the device is marked up as this is the required to 472 * initialize the hardware. It would be better to permit 473 * scanning prior to being up but that'll require some 474 * changes to the infrastructure. 475 */ 476 if (!IS_UP(ic)) 477 return EINVAL; 478 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 479 /* 480 * We force the state to INIT before calling ieee80211_new_state 481 * to get ieee80211_begin_scan called. We really want to scan w/o 482 * altering the current state but that's not possible right now. 483 */ 484 /* XXX handle proberequest case */ 485 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 486 return 0; 487 } 488 489 int 490 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) 491 { 492 struct ifnet *ifp = ic->ic_ifp; 493 int i, j, len, error, rate; 494 struct ifreq *ifr = (struct ifreq *)data; 495 struct wi_ltv_keys *keys; 496 struct wi_req wreq; 497 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)]; 498 499 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 500 if (error) 501 return error; 502 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0; 503 switch (wreq.wi_type) { 504 case WI_RID_SERIALNO: 505 case WI_RID_NODENAME: 506 return EPERM; 507 case WI_RID_CURRENT_SSID: 508 return EPERM; 509 case WI_RID_OWN_SSID: 510 case WI_RID_DESIRED_SSID: 511 if (le16toh(wreq.wi_val[0]) * 2 > len || 512 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) { 513 error = ENOSPC; 514 break; 515 } 516 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 517 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2; 518 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen); 519 error = ENETRESET; 520 break; 521 case WI_RID_CURRENT_BSSID: 522 return EPERM; 523 case WI_RID_OWN_CHNL: 524 if (len != 2) 525 return EINVAL; 526 i = le16toh(wreq.wi_val[0]); 527 if (i < 0 || 528 i > IEEE80211_CHAN_MAX || 529 isclr(ic->ic_chan_active, i)) 530 return EINVAL; 531 ic->ic_ibss_chan = &ic->ic_channels[i]; 532 if (ic->ic_opmode == IEEE80211_M_MONITOR) 533 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 534 else 535 error = ENETRESET; 536 break; 537 case WI_RID_CURRENT_CHAN: 538 return EPERM; 539 case WI_RID_COMMS_QUALITY: 540 return EPERM; 541 case WI_RID_PROMISC: 542 if (len != 2) 543 return EINVAL; 544 if (ifp->if_flags & IFF_PROMISC) { 545 if (wreq.wi_val[0] == 0) { 546 ifp->if_flags &= ~IFF_PROMISC; 547 error = ENETRESET; 548 } 549 } else { 550 if (wreq.wi_val[0] != 0) { 551 ifp->if_flags |= IFF_PROMISC; 552 error = ENETRESET; 553 } 554 } 555 break; 556 case WI_RID_PORTTYPE: 557 if (len != 2) 558 return EINVAL; 559 switch (le16toh(wreq.wi_val[0])) { 560 case IEEE80211_M_STA: 561 break; 562 case IEEE80211_M_IBSS: 563 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 564 return EINVAL; 565 break; 566 case IEEE80211_M_AHDEMO: 567 if (ic->ic_phytype != IEEE80211_T_DS || 568 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 569 return EINVAL; 570 break; 571 case IEEE80211_M_HOSTAP: 572 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 573 return EINVAL; 574 break; 575 default: 576 return EINVAL; 577 } 578 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) { 579 ic->ic_opmode = le16toh(wreq.wi_val[0]); 580 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 581 } 582 break; 583 #if 0 584 case WI_RID_MAC_NODE: 585 if (len != IEEE80211_ADDR_LEN) 586 return EINVAL; 587 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val); 588 /* if_init will copy lladdr into ic_myaddr */ 589 error = ENETRESET; 590 break; 591 #endif 592 case WI_RID_TX_RATE: 593 if (len != 2) 594 return EINVAL; 595 if (wreq.wi_val[0] == 0) { 596 /* auto */ 597 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 598 break; 599 } 600 rate = 2 * le16toh(wreq.wi_val[0]); 601 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 602 /* 603 * In autoselect mode search for the rate. We take 604 * the first instance which may not be right, but we 605 * are limited by the interface. Note that we also 606 * lock the mode to insure the rate is meaningful 607 * when it is used. 608 */ 609 for (j = IEEE80211_MODE_11A; 610 j < IEEE80211_MODE_MAX; j++) { 611 if ((ic->ic_modecaps & (1<<j)) == 0) 612 continue; 613 i = findrate(ic, j, rate); 614 if (i != -1) { 615 /* lock mode too */ 616 ic->ic_curmode = j; 617 goto setrate; 618 } 619 } 620 } else { 621 i = findrate(ic, ic->ic_curmode, rate); 622 if (i != -1) 623 goto setrate; 624 } 625 return EINVAL; 626 setrate: 627 ic->ic_fixed_rate = i; 628 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 629 break; 630 case WI_RID_CUR_TX_RATE: 631 return EPERM; 632 case WI_RID_FRAG_THRESH: 633 if (len != 2) 634 return EINVAL; 635 ic->ic_fragthreshold = le16toh(wreq.wi_val[0]); 636 error = ENETRESET; 637 break; 638 case WI_RID_RTS_THRESH: 639 if (len != 2) 640 return EINVAL; 641 ic->ic_rtsthreshold = le16toh(wreq.wi_val[0]); 642 error = ENETRESET; 643 break; 644 case WI_RID_CREATE_IBSS: 645 if (len != 2) 646 return EINVAL; 647 if (wreq.wi_val[0] != 0) { 648 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 649 return EINVAL; 650 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 651 ic->ic_flags |= IEEE80211_F_IBSSON; 652 if (ic->ic_opmode == IEEE80211_M_IBSS && 653 ic->ic_state == IEEE80211_S_SCAN) 654 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 655 } 656 } else { 657 if (ic->ic_flags & IEEE80211_F_IBSSON) { 658 ic->ic_flags &= ~IEEE80211_F_IBSSON; 659 if (ic->ic_flags & IEEE80211_F_SIBSS) { 660 ic->ic_flags &= ~IEEE80211_F_SIBSS; 661 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 662 } 663 } 664 } 665 break; 666 case WI_RID_MICROWAVE_OVEN: 667 if (len != 2) 668 return EINVAL; 669 if (wreq.wi_val[0] != 0) 670 return EINVAL; /* not supported */ 671 break; 672 case WI_RID_ROAMING_MODE: 673 if (len != 2) 674 return EINVAL; 675 i = le16toh(wreq.wi_val[0]); 676 if (i > IEEE80211_ROAMING_MANUAL) 677 return EINVAL; /* not supported */ 678 ic->ic_roaming = i; 679 break; 680 case WI_RID_SYSTEM_SCALE: 681 if (len != 2) 682 return EINVAL; 683 if (le16toh(wreq.wi_val[0]) != 1) 684 return EINVAL; /* not supported */ 685 break; 686 case WI_RID_PM_ENABLED: 687 if (len != 2) 688 return EINVAL; 689 if (wreq.wi_val[0] != 0) { 690 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 691 return EINVAL; 692 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 693 ic->ic_flags |= IEEE80211_F_PMGTON; 694 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 695 } 696 } else { 697 if (ic->ic_flags & IEEE80211_F_PMGTON) { 698 ic->ic_flags &= ~IEEE80211_F_PMGTON; 699 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 700 } 701 } 702 break; 703 case WI_RID_MAX_SLEEP: 704 if (len != 2) 705 return EINVAL; 706 ic->ic_lintval = le16toh(wreq.wi_val[0]); 707 if (ic->ic_flags & IEEE80211_F_PMGTON) 708 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 709 break; 710 case WI_RID_CUR_BEACON_INT: 711 return EPERM; 712 case WI_RID_WEP_AVAIL: 713 return EPERM; 714 case WI_RID_CNFAUTHMODE: 715 if (len != 2) 716 return EINVAL; 717 i = le16toh(wreq.wi_val[0]); 718 if (i > IEEE80211_AUTH_WPA) 719 return EINVAL; 720 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 721 error = ENETRESET; 722 break; 723 case WI_RID_ENCRYPTION: 724 if (len != 2) 725 return EINVAL; 726 if (wreq.wi_val[0] != 0) { 727 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 728 return EINVAL; 729 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 730 ic->ic_flags |= IEEE80211_F_PRIVACY; 731 error = ENETRESET; 732 } 733 } else { 734 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 735 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 736 error = ENETRESET; 737 } 738 } 739 break; 740 case WI_RID_TX_CRYPT_KEY: 741 if (len != 2) 742 return EINVAL; 743 i = le16toh(wreq.wi_val[0]); 744 if (i >= IEEE80211_WEP_NKID) 745 return EINVAL; 746 ic->ic_def_txkey = i; 747 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 748 break; 749 case WI_RID_DEFLT_CRYPT_KEYS: 750 if (len != sizeof(struct wi_ltv_keys)) 751 return EINVAL; 752 keys = (struct wi_ltv_keys *)&wreq; 753 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 754 len = le16toh(keys->wi_keys[i].wi_keylen); 755 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 756 return EINVAL; 757 if (len > IEEE80211_KEYBUF_SIZE) 758 return EINVAL; 759 } 760 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 761 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 762 763 len = le16toh(keys->wi_keys[i].wi_keylen); 764 k->wk_keylen = len; 765 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 766 memset(k->wk_key, 0, sizeof(k->wk_key)); 767 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 768 #if 0 769 k->wk_type = IEEE80211_CIPHER_WEP; 770 #endif 771 } 772 error = ENETRESET; 773 break; 774 case WI_RID_MAX_DATALEN: 775 if (len != 2) 776 return EINVAL; 777 len = le16toh(wreq.wi_val[0]); 778 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 779 return EINVAL; 780 ic->ic_fragthreshold = len; 781 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 782 break; 783 case WI_RID_IFACE_STATS: 784 error = EPERM; 785 break; 786 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 787 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 788 break; 789 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 790 if (error == 0) 791 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 792 break; 793 case WI_RID_SCAN_APS: 794 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 795 break; 796 len--; /* XXX: tx rate? */ 797 /* FALLTHRU */ 798 case WI_RID_CHANNEL_LIST: 799 memset(chanlist, 0, sizeof(chanlist)); 800 /* 801 * Since channel 0 is not available for DS, channel 1 802 * is assigned to LSB on WaveLAN. 803 */ 804 if (ic->ic_phytype == IEEE80211_T_DS) 805 i = 1; 806 else 807 i = 0; 808 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 809 if ((j / 8) >= len) 810 break; 811 if (isclr((u_int8_t *)wreq.wi_val, j)) 812 continue; 813 if (isclr(ic->ic_chan_active, i)) { 814 if (wreq.wi_type != WI_RID_CHANNEL_LIST) 815 continue; 816 if (isclr(ic->ic_chan_avail, i)) 817 return EPERM; 818 } 819 setbit(chanlist, i); 820 } 821 error = ieee80211_setupscan(ic, chanlist); 822 if (wreq.wi_type == WI_RID_CHANNEL_LIST) { 823 /* NB: ignore error from ieee80211_setupscan */ 824 error = ENETRESET; 825 } else if (error == 0) 826 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 827 break; 828 default: 829 error = EINVAL; 830 break; 831 } 832 if (error == ENETRESET && !IS_UP_AUTO(ic)) 833 error = 0; 834 return error; 835 } 836 837 static int 838 cap2cipher(int flag) 839 { 840 switch (flag) { 841 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 842 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 843 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 844 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 845 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 846 } 847 return -1; 848 } 849 850 static int 851 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 852 { 853 struct ieee80211_node *ni; 854 struct ieee80211req_key ik; 855 struct ieee80211_key *wk; 856 const struct ieee80211_cipher *cip; 857 u_int kid; 858 int error; 859 860 if (ireq->i_len != sizeof(ik)) 861 return EINVAL; 862 error = copyin(ireq->i_data, &ik, sizeof(ik)); 863 if (error) 864 return error; 865 kid = ik.ik_keyix; 866 if (kid == IEEE80211_KEYIX_NONE) { 867 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 868 if (ni == NULL) 869 return EINVAL; /* XXX */ 870 wk = &ni->ni_ucastkey; 871 } else { 872 if (kid >= IEEE80211_WEP_NKID) 873 return EINVAL; 874 wk = &ic->ic_nw_keys[kid]; 875 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 876 ni = NULL; 877 } 878 cip = wk->wk_cipher; 879 ik.ik_type = cip->ic_cipher; 880 ik.ik_keylen = wk->wk_keylen; 881 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 882 if (wk->wk_keyix == ic->ic_def_txkey) 883 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 884 if (suser(curproc->p_ucred, &curproc->p_acflag) == 0) { 885 /* NB: only root can read key data */ 886 ik.ik_keyrsc = wk->wk_keyrsc; 887 ik.ik_keytsc = wk->wk_keytsc; 888 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 889 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 890 memcpy(ik.ik_keydata+wk->wk_keylen, 891 wk->wk_key + IEEE80211_KEYBUF_SIZE, 892 IEEE80211_MICBUF_SIZE); 893 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 894 } 895 } else { 896 ik.ik_keyrsc = 0; 897 ik.ik_keytsc = 0; 898 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 899 } 900 if (ni != NULL) 901 ieee80211_free_node(ni); 902 return copyout(&ik, ireq->i_data, sizeof(ik)); 903 } 904 905 static int 906 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 907 { 908 909 if (sizeof(ic->ic_chan_active) > ireq->i_len) 910 ireq->i_len = sizeof(ic->ic_chan_active); 911 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 912 } 913 914 static int 915 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 916 { 917 struct ieee80211req_chaninfo chans; /* XXX off stack? */ 918 int i, space; 919 920 /* 921 * Since channel 0 is not available for DS, channel 1 922 * is assigned to LSB on WaveLAN. 923 */ 924 if (ic->ic_phytype == IEEE80211_T_DS) 925 i = 1; 926 else 927 i = 0; 928 memset(&chans, 0, sizeof(chans)); 929 for (; i <= IEEE80211_CHAN_MAX; i++) 930 if (isset(ic->ic_chan_avail, i)) { 931 struct ieee80211_channel *c = &ic->ic_channels[i]; 932 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; 933 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; 934 chans.ic_nchans++; 935 } 936 space = __offsetof(struct ieee80211req_chaninfo, 937 ic_chans[chans.ic_nchans]); 938 if (space > ireq->i_len) 939 space = ireq->i_len; 940 return copyout(&chans, ireq->i_data, space); 941 } 942 943 static int 944 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 945 { 946 struct ieee80211_node *ni; 947 struct ieee80211req_wpaie wpaie; 948 int error; 949 950 if (ireq->i_len < IEEE80211_ADDR_LEN) 951 return EINVAL; 952 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 953 if (error != 0) 954 return error; 955 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 956 if (ni == NULL) 957 return EINVAL; /* XXX */ 958 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 959 if (ni->ni_wpa_ie != NULL) { 960 int ielen = ni->ni_wpa_ie[1] + 2; 961 if (ielen > sizeof(wpaie.wpa_ie)) 962 ielen = sizeof(wpaie.wpa_ie); 963 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 964 } 965 ieee80211_free_node(ni); 966 if (ireq->i_len > sizeof(wpaie)) 967 ireq->i_len = sizeof(wpaie); 968 return copyout(&wpaie, ireq->i_data, ireq->i_len); 969 } 970 971 static int 972 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 973 { 974 struct ieee80211_node *ni; 975 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 976 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 977 int error; 978 979 if (ireq->i_len < off) 980 return EINVAL; 981 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 982 if (error != 0) 983 return error; 984 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 985 if (ni == NULL) 986 return EINVAL; /* XXX */ 987 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 988 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 989 /* NB: copy out only the statistics */ 990 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 991 ireq->i_len - off); 992 ieee80211_free_node(ni); 993 return error; 994 } 995 996 static void 997 get_scan_result(struct ieee80211req_scan_result *sr, 998 const struct ieee80211_node *ni) 999 { 1000 struct ieee80211com *ic = ni->ni_ic; 1001 1002 memset(sr, 0, sizeof(*sr)); 1003 sr->isr_ssid_len = ni->ni_esslen; 1004 if (ni->ni_wpa_ie != NULL) 1005 sr->isr_ie_len += 2+ni->ni_wpa_ie[1]; 1006 if (ni->ni_wme_ie != NULL) 1007 sr->isr_ie_len += 2+ni->ni_wme_ie[1]; 1008 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1009 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1010 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1011 sr->isr_freq = ni->ni_chan->ic_freq; 1012 sr->isr_flags = ni->ni_chan->ic_flags; 1013 } 1014 sr->isr_rssi = ic->ic_node_getrssi(ni); 1015 sr->isr_intval = ni->ni_intval; 1016 sr->isr_capinfo = ni->ni_capinfo; 1017 sr->isr_erp = ni->ni_erp; 1018 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1019 sr->isr_nrates = ni->ni_rates.rs_nrates; 1020 if (sr->isr_nrates > 15) 1021 sr->isr_nrates = 15; 1022 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1023 } 1024 1025 static int 1026 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1027 { 1028 union { 1029 struct ieee80211req_scan_result res; 1030 char data[512]; /* XXX shrink? */ 1031 } u; 1032 struct ieee80211req_scan_result *sr = &u.res; 1033 struct ieee80211_node_table *nt; 1034 struct ieee80211_node *ni; 1035 int error, space; 1036 u_int8_t *p, *cp; 1037 1038 p = ireq->i_data; 1039 space = ireq->i_len; 1040 error = 0; 1041 /* XXX locking */ 1042 nt = &ic->ic_scan; 1043 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1044 /* NB: skip pre-scan node state */ 1045 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1046 continue; 1047 get_scan_result(sr, ni); 1048 if (sr->isr_len > sizeof(u)) 1049 continue; /* XXX */ 1050 if (space < sr->isr_len) 1051 break; 1052 cp = (u_int8_t *)(sr+1); 1053 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1054 cp += ni->ni_esslen; 1055 if (ni->ni_wpa_ie != NULL) { 1056 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1057 cp += 2+ni->ni_wpa_ie[1]; 1058 } 1059 if (ni->ni_wme_ie != NULL) { 1060 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1061 cp += 2+ni->ni_wme_ie[1]; 1062 } 1063 error = copyout(sr, p, sr->isr_len); 1064 if (error) 1065 break; 1066 p += sr->isr_len; 1067 space -= sr->isr_len; 1068 } 1069 ireq->i_len -= space; 1070 return error; 1071 } 1072 1073 struct stainforeq { 1074 struct ieee80211com *ic; 1075 struct ieee80211req_sta_info *si; 1076 size_t space; 1077 }; 1078 1079 static size_t 1080 sta_space(const struct ieee80211_node *ni, size_t *ielen) 1081 { 1082 *ielen = 0; 1083 if (ni->ni_wpa_ie != NULL) 1084 *ielen += 2+ni->ni_wpa_ie[1]; 1085 if (ni->ni_wme_ie != NULL) 1086 *ielen += 2+ni->ni_wme_ie[1]; 1087 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 1088 sizeof(u_int32_t)); 1089 } 1090 1091 static void 1092 get_sta_space(void *arg, struct ieee80211_node *ni) 1093 { 1094 struct stainforeq *req = arg; 1095 struct ieee80211com *ic = ni->ni_ic; 1096 size_t ielen; 1097 1098 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1099 ni->ni_associd == 0) /* only associated stations */ 1100 return; 1101 req->space += sta_space(ni, &ielen); 1102 } 1103 1104 static void 1105 get_sta_info(void *arg, struct ieee80211_node *ni) 1106 { 1107 struct stainforeq *req = arg; 1108 struct ieee80211com *ic = ni->ni_ic; 1109 struct ieee80211req_sta_info *si; 1110 size_t ielen, len; 1111 u_int8_t *cp; 1112 1113 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1114 ni->ni_associd == 0) /* only associated stations */ 1115 return; 1116 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 1117 return; 1118 len = sta_space(ni, &ielen); 1119 if (len > req->space) 1120 return; 1121 si = req->si; 1122 si->isi_len = len; 1123 si->isi_ie_len = ielen; 1124 si->isi_freq = ni->ni_chan->ic_freq; 1125 si->isi_flags = ni->ni_chan->ic_flags; 1126 si->isi_state = ni->ni_flags; 1127 si->isi_authmode = ni->ni_authmode; 1128 si->isi_rssi = ic->ic_node_getrssi(ni); 1129 si->isi_capinfo = ni->ni_capinfo; 1130 si->isi_erp = ni->ni_erp; 1131 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1132 si->isi_nrates = ni->ni_rates.rs_nrates; 1133 if (si->isi_nrates > 15) 1134 si->isi_nrates = 15; 1135 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1136 si->isi_txrate = ni->ni_txrate; 1137 si->isi_associd = ni->ni_associd; 1138 si->isi_txpower = ni->ni_txpower; 1139 si->isi_vlan = ni->ni_vlan; 1140 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1141 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1142 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1143 } else { 1144 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1145 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1146 } 1147 /* NB: leave all cases in case we relax ni_associd == 0 check */ 1148 if (ieee80211_node_is_authorized(ni)) 1149 si->isi_inact = ic->ic_inact_run; 1150 else if (ni->ni_associd != 0) 1151 si->isi_inact = ic->ic_inact_auth; 1152 else 1153 si->isi_inact = ic->ic_inact_init; 1154 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1155 1156 cp = (u_int8_t *)(si+1); 1157 if (ni->ni_wpa_ie != NULL) { 1158 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1159 cp += 2+ni->ni_wpa_ie[1]; 1160 } 1161 if (ni->ni_wme_ie != NULL) { 1162 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1163 cp += 2+ni->ni_wme_ie[1]; 1164 } 1165 1166 req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len); 1167 req->space -= len; 1168 } 1169 1170 static int 1171 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1172 { 1173 struct stainforeq req; 1174 int error; 1175 1176 if (ireq->i_len < sizeof(struct stainforeq)) 1177 return EFAULT; 1178 1179 error = 0; 1180 req.space = 0; 1181 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 1182 if (req.space > ireq->i_len) 1183 req.space = ireq->i_len; 1184 if (req.space > 0) { 1185 size_t space; 1186 void *p; 1187 1188 space = req.space; 1189 /* XXX M_WAITOK after driver lock released */ 1190 MALLOC(p, void *, space, M_TEMP, M_NOWAIT); 1191 if (p == NULL) 1192 return ENOMEM; 1193 req.si = p; 1194 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 1195 ireq->i_len = space - req.space; 1196 error = copyout(p, ireq->i_data, ireq->i_len); 1197 FREE(p, M_TEMP); 1198 } else 1199 ireq->i_len = 0; 1200 1201 return error; 1202 } 1203 1204 static int 1205 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1206 { 1207 struct ieee80211_node *ni; 1208 struct ieee80211req_sta_txpow txpow; 1209 int error; 1210 1211 if (ireq->i_len != sizeof(txpow)) 1212 return EINVAL; 1213 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1214 if (error != 0) 1215 return error; 1216 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1217 if (ni == NULL) 1218 return EINVAL; /* XXX */ 1219 txpow.it_txpow = ni->ni_txpower; 1220 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1221 ieee80211_free_node(ni); 1222 return error; 1223 } 1224 1225 static int 1226 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1227 { 1228 struct ieee80211_wme_state *wme = &ic->ic_wme; 1229 struct wmeParams *wmep; 1230 int ac; 1231 1232 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1233 return EINVAL; 1234 1235 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1236 if (ac >= WME_NUM_AC) 1237 ac = WME_AC_BE; 1238 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1239 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1240 else 1241 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1242 switch (ireq->i_type) { 1243 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1244 ireq->i_val = wmep->wmep_logcwmin; 1245 break; 1246 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1247 ireq->i_val = wmep->wmep_logcwmax; 1248 break; 1249 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1250 ireq->i_val = wmep->wmep_aifsn; 1251 break; 1252 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1253 ireq->i_val = wmep->wmep_txopLimit; 1254 break; 1255 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1256 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1257 ireq->i_val = wmep->wmep_acm; 1258 break; 1259 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1260 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1261 ireq->i_val = !wmep->wmep_noackPolicy; 1262 break; 1263 } 1264 return 0; 1265 } 1266 1267 static int 1268 ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1269 { 1270 const struct ieee80211_aclator *acl = ic->ic_acl; 1271 1272 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); 1273 } 1274 1275 /* 1276 * When building the kernel with -O2 on the i386 architecture, gcc 1277 * seems to want to inline this function into ieee80211_ioctl() 1278 * (which is the only routine that calls it). When this happens, 1279 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1280 * space. (Exactly why it needs so much is unclear.) The problem 1281 * is that it's possible for ieee80211_ioctl() to invoke other 1282 * routines (including driver init functions) which could then find 1283 * themselves perilously close to exhausting the stack. 1284 * 1285 * To avoid this, we deliberately prevent gcc from inlining this 1286 * routine. Another way to avoid this is to use less agressive 1287 * optimization when compiling this file (i.e. -O instead of -O2) 1288 * but special-casing the compilation of this one module in the 1289 * build system would be awkward. 1290 */ 1291 #ifdef __GNUC__ 1292 __attribute__ ((noinline)) 1293 #endif 1294 static int 1295 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1296 { 1297 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1298 int error = 0; 1299 #ifdef __FreeBSD__ 1300 u_int kid, len; 1301 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1302 char tmpssid[IEEE80211_NWID_LEN]; 1303 #endif /* __FreeBSD__ */ 1304 u_int m; 1305 1306 switch (ireq->i_type) { 1307 #ifdef __FreeBSD__ 1308 case IEEE80211_IOC_SSID: 1309 switch (ic->ic_state) { 1310 case IEEE80211_S_INIT: 1311 case IEEE80211_S_SCAN: 1312 ireq->i_len = ic->ic_des_esslen; 1313 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1314 break; 1315 default: 1316 ireq->i_len = ic->ic_bss->ni_esslen; 1317 memcpy(tmpssid, ic->ic_bss->ni_essid, 1318 ireq->i_len); 1319 break; 1320 } 1321 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1322 break; 1323 case IEEE80211_IOC_NUMSSIDS: 1324 ireq->i_val = 1; 1325 break; 1326 case IEEE80211_IOC_WEP: 1327 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1328 ireq->i_val = IEEE80211_WEP_OFF; 1329 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1330 ireq->i_val = IEEE80211_WEP_ON; 1331 else 1332 ireq->i_val = IEEE80211_WEP_MIXED; 1333 break; 1334 case IEEE80211_IOC_WEPKEY: 1335 kid = (u_int) ireq->i_val; 1336 if (kid >= IEEE80211_WEP_NKID) 1337 return EINVAL; 1338 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1339 /* NB: only root can read WEP keys */ 1340 if (suser(curproc->p_ucred, &curproc->p_acflag) == 0) { 1341 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1342 } else { 1343 bzero(tmpkey, len); 1344 } 1345 ireq->i_len = len; 1346 error = copyout(tmpkey, ireq->i_data, len); 1347 break; 1348 case IEEE80211_IOC_NUMWEPKEYS: 1349 ireq->i_val = IEEE80211_WEP_NKID; 1350 break; 1351 case IEEE80211_IOC_WEPTXKEY: 1352 ireq->i_val = ic->ic_def_txkey; 1353 break; 1354 #endif /* __FreeBSD__ */ 1355 case IEEE80211_IOC_AUTHMODE: 1356 if (ic->ic_flags & IEEE80211_F_WPA) 1357 ireq->i_val = IEEE80211_AUTH_WPA; 1358 else 1359 ireq->i_val = ic->ic_bss->ni_authmode; 1360 break; 1361 #ifdef __FreeBSD__ 1362 case IEEE80211_IOC_CHANNEL: 1363 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 1364 break; 1365 case IEEE80211_IOC_POWERSAVE: 1366 if (ic->ic_flags & IEEE80211_F_PMGTON) 1367 ireq->i_val = IEEE80211_POWERSAVE_ON; 1368 else 1369 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1370 break; 1371 case IEEE80211_IOC_POWERSAVESLEEP: 1372 ireq->i_val = ic->ic_lintval; 1373 break; 1374 #endif /* __FreeBSD__ */ 1375 case IEEE80211_IOC_RTSTHRESHOLD: 1376 ireq->i_val = ic->ic_rtsthreshold; 1377 break; 1378 case IEEE80211_IOC_PROTMODE: 1379 ireq->i_val = ic->ic_protmode; 1380 break; 1381 case IEEE80211_IOC_TXPOWER: 1382 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1383 return EINVAL; 1384 ireq->i_val = ic->ic_txpowlimit; 1385 break; 1386 case IEEE80211_IOC_MCASTCIPHER: 1387 ireq->i_val = rsn->rsn_mcastcipher; 1388 break; 1389 case IEEE80211_IOC_MCASTKEYLEN: 1390 ireq->i_val = rsn->rsn_mcastkeylen; 1391 break; 1392 case IEEE80211_IOC_UCASTCIPHERS: 1393 ireq->i_val = 0; 1394 for (m = 0x1; m != 0; m <<= 1) 1395 if (rsn->rsn_ucastcipherset & m) 1396 ireq->i_val |= 1<<cap2cipher(m); 1397 break; 1398 case IEEE80211_IOC_UCASTCIPHER: 1399 ireq->i_val = rsn->rsn_ucastcipher; 1400 break; 1401 case IEEE80211_IOC_UCASTKEYLEN: 1402 ireq->i_val = rsn->rsn_ucastkeylen; 1403 break; 1404 case IEEE80211_IOC_KEYMGTALGS: 1405 ireq->i_val = rsn->rsn_keymgmtset; 1406 break; 1407 case IEEE80211_IOC_RSNCAPS: 1408 ireq->i_val = rsn->rsn_caps; 1409 break; 1410 case IEEE80211_IOC_WPA: 1411 switch (ic->ic_flags & IEEE80211_F_WPA) { 1412 case IEEE80211_F_WPA1: 1413 ireq->i_val = 1; 1414 break; 1415 case IEEE80211_F_WPA2: 1416 ireq->i_val = 2; 1417 break; 1418 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1419 ireq->i_val = 3; 1420 break; 1421 default: 1422 ireq->i_val = 0; 1423 break; 1424 } 1425 break; 1426 case IEEE80211_IOC_CHANLIST: 1427 error = ieee80211_ioctl_getchanlist(ic, ireq); 1428 break; 1429 case IEEE80211_IOC_ROAMING: 1430 ireq->i_val = ic->ic_roaming; 1431 break; 1432 case IEEE80211_IOC_PRIVACY: 1433 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1434 break; 1435 case IEEE80211_IOC_DROPUNENCRYPTED: 1436 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1437 break; 1438 case IEEE80211_IOC_COUNTERMEASURES: 1439 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1440 break; 1441 case IEEE80211_IOC_DRIVER_CAPS: 1442 ireq->i_val = ic->ic_caps>>16; 1443 ireq->i_len = ic->ic_caps&0xffff; 1444 break; 1445 case IEEE80211_IOC_WME: 1446 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1447 break; 1448 case IEEE80211_IOC_HIDESSID: 1449 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1450 break; 1451 case IEEE80211_IOC_APBRIDGE: 1452 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1453 break; 1454 case IEEE80211_IOC_OPTIE: 1455 if (ic->ic_opt_ie == NULL) 1456 return EINVAL; 1457 /* NB: truncate, caller can check length */ 1458 if (ireq->i_len > ic->ic_opt_ie_len) 1459 ireq->i_len = ic->ic_opt_ie_len; 1460 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1461 break; 1462 case IEEE80211_IOC_WPAKEY: 1463 error = ieee80211_ioctl_getkey(ic, ireq); 1464 break; 1465 case IEEE80211_IOC_CHANINFO: 1466 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1467 break; 1468 #ifdef __FreeBSD__ 1469 case IEEE80211_IOC_BSSID: 1470 if (ireq->i_len != IEEE80211_ADDR_LEN) 1471 return EINVAL; 1472 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1473 ic->ic_bss->ni_bssid : 1474 ic->ic_des_bssid, 1475 ireq->i_data, ireq->i_len); 1476 break; 1477 #endif /* __FreeBSD__ */ 1478 case IEEE80211_IOC_WPAIE: 1479 error = ieee80211_ioctl_getwpaie(ic, ireq); 1480 break; 1481 case IEEE80211_IOC_SCAN_RESULTS: 1482 error = ieee80211_ioctl_getscanresults(ic, ireq); 1483 break; 1484 case IEEE80211_IOC_STA_STATS: 1485 error = ieee80211_ioctl_getstastats(ic, ireq); 1486 break; 1487 case IEEE80211_IOC_TXPOWMAX: 1488 ireq->i_val = ic->ic_bss->ni_txpower; 1489 break; 1490 case IEEE80211_IOC_STA_TXPOW: 1491 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1492 break; 1493 case IEEE80211_IOC_STA_INFO: 1494 error = ieee80211_ioctl_getstainfo(ic, ireq); 1495 break; 1496 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1497 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1498 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1499 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1500 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1501 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1502 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1503 break; 1504 case IEEE80211_IOC_DTIM_PERIOD: 1505 ireq->i_val = ic->ic_dtim_period; 1506 break; 1507 case IEEE80211_IOC_BEACON_INTERVAL: 1508 /* NB: get from ic_bss for station mode */ 1509 ireq->i_val = ic->ic_bss->ni_intval; 1510 break; 1511 case IEEE80211_IOC_PUREG: 1512 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1513 break; 1514 case IEEE80211_IOC_FRAGTHRESHOLD: 1515 ireq->i_val = ic->ic_fragthreshold; 1516 break; 1517 case IEEE80211_IOC_MACCMD: 1518 error = ieee80211_ioctl_getmaccmd(ic, ireq); 1519 break; 1520 default: 1521 error = EINVAL; 1522 break; 1523 } 1524 return error; 1525 } 1526 1527 static int 1528 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1529 { 1530 int error; 1531 void *ie; 1532 1533 /* 1534 * NB: Doing this for ap operation could be useful (e.g. for 1535 * WPA and/or WME) except that it typically is worthless 1536 * without being able to intervene when processing 1537 * association response frames--so disallow it for now. 1538 */ 1539 if (ic->ic_opmode != IEEE80211_M_STA) 1540 return EINVAL; 1541 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1542 return EINVAL; 1543 /* NB: data.length is validated by the wireless extensions code */ 1544 MALLOC(ie, void *, (u_long)ireq->i_len, M_DEVBUF, M_WAITOK); 1545 if (ie == NULL) 1546 return ENOMEM; 1547 error = copyin(ireq->i_data, ie, ireq->i_len); 1548 /* XXX sanity check data? */ 1549 if (ic->ic_opt_ie != NULL) 1550 FREE(ic->ic_opt_ie, M_DEVBUF); 1551 ic->ic_opt_ie = ie; 1552 ic->ic_opt_ie_len = ireq->i_len; 1553 return 0; 1554 } 1555 1556 static int 1557 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1558 { 1559 struct ieee80211req_key ik; 1560 struct ieee80211_node *ni; 1561 struct ieee80211_key *wk; 1562 u_int16_t kid; 1563 int error; 1564 1565 if (ireq->i_len != sizeof(ik)) 1566 return EINVAL; 1567 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1568 if (error) 1569 return error; 1570 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1571 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1572 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1573 return E2BIG; 1574 kid = ik.ik_keyix; 1575 if (kid == IEEE80211_KEYIX_NONE) { 1576 /* XXX unicast keys currently must be tx/rx */ 1577 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1578 return EINVAL; 1579 if (ic->ic_opmode == IEEE80211_M_STA) { 1580 ni = ieee80211_ref_node(ic->ic_bss); 1581 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1582 ieee80211_free_node(ni); 1583 return EADDRNOTAVAIL; 1584 } 1585 } else { 1586 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1587 if (ni == NULL) 1588 return ENOENT; 1589 } 1590 wk = &ni->ni_ucastkey; 1591 } else { 1592 if (kid >= IEEE80211_WEP_NKID) 1593 return EINVAL; 1594 wk = &ic->ic_nw_keys[kid]; 1595 ni = NULL; 1596 } 1597 error = 0; 1598 ieee80211_key_update_begin(ic); 1599 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1600 wk->wk_keylen = ik.ik_keylen; 1601 /* NB: MIC presence is implied by cipher type */ 1602 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1603 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1604 wk->wk_keyrsc = ik.ik_keyrsc; 1605 wk->wk_keytsc = 0; /* new key, reset */ 1606 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1607 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1608 if (!ieee80211_crypto_setkey(ic, wk, 1609 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1610 error = EIO; 1611 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1612 ic->ic_def_txkey = kid; 1613 } else 1614 error = ENXIO; 1615 ieee80211_key_update_end(ic); 1616 if (ni != NULL) 1617 ieee80211_free_node(ni); 1618 return error; 1619 } 1620 1621 static int 1622 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1623 { 1624 struct ieee80211req_del_key dk; 1625 int kid, error; 1626 1627 if (ireq->i_len != sizeof(dk)) 1628 return EINVAL; 1629 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1630 if (error) 1631 return error; 1632 kid = dk.idk_keyix; 1633 /* XXX u_int8_t -> u_int16_t */ 1634 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1635 struct ieee80211_node *ni; 1636 1637 if (ic->ic_opmode == IEEE80211_M_STA) { 1638 ni = ieee80211_ref_node(ic->ic_bss); 1639 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1640 ieee80211_free_node(ni); 1641 return EADDRNOTAVAIL; 1642 } 1643 } else { 1644 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1645 if (ni == NULL) 1646 return ENOENT; 1647 } 1648 /* XXX error return */ 1649 ieee80211_node_delucastkey(ni); 1650 ieee80211_free_node(ni); 1651 } else { 1652 if (kid >= IEEE80211_WEP_NKID) 1653 return EINVAL; 1654 /* XXX error return */ 1655 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1656 } 1657 return 0; 1658 } 1659 1660 #ifndef IEEE80211_NO_HOSTAP 1661 static void 1662 domlme(void *arg, struct ieee80211_node *ni) 1663 { 1664 struct ieee80211com *ic = ni->ni_ic; 1665 struct ieee80211req_mlme *mlme = arg; 1666 1667 if (ni->ni_associd != 0) { 1668 IEEE80211_SEND_MGMT(ic, ni, 1669 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1670 IEEE80211_FC0_SUBTYPE_DEAUTH : 1671 IEEE80211_FC0_SUBTYPE_DISASSOC, 1672 mlme->im_reason); 1673 } 1674 ieee80211_node_leave(ic, ni); 1675 } 1676 #endif /* !IEEE80211_NO_HOSTAP */ 1677 1678 static int 1679 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1680 { 1681 struct ieee80211req_mlme mlme; 1682 struct ieee80211_node *ni; 1683 int error; 1684 1685 if (ireq->i_len != sizeof(mlme)) 1686 return EINVAL; 1687 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1688 if (error) 1689 return error; 1690 switch (mlme.im_op) { 1691 case IEEE80211_MLME_ASSOC: 1692 if (ic->ic_opmode != IEEE80211_M_STA) 1693 return EINVAL; 1694 /* XXX must be in S_SCAN state? */ 1695 1696 if (mlme.im_ssid_len != 0) { 1697 /* 1698 * Desired ssid specified; must match both bssid and 1699 * ssid to distinguish ap advertising multiple ssid's. 1700 */ 1701 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1702 mlme.im_macaddr, 1703 mlme.im_ssid_len, mlme.im_ssid); 1704 } else { 1705 /* 1706 * Normal case; just match bssid. 1707 */ 1708 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1709 } 1710 if (ni == NULL) 1711 return EINVAL; 1712 if (!ieee80211_sta_join(ic, ni)) { 1713 ieee80211_free_node(ni); 1714 return EINVAL; 1715 } 1716 break; 1717 case IEEE80211_MLME_DISASSOC: 1718 case IEEE80211_MLME_DEAUTH: 1719 switch (ic->ic_opmode) { 1720 case IEEE80211_M_STA: 1721 /* XXX not quite right */ 1722 ieee80211_new_state(ic, IEEE80211_S_INIT, 1723 mlme.im_reason); 1724 break; 1725 case IEEE80211_M_HOSTAP: 1726 #ifndef IEEE80211_NO_HOSTAP 1727 /* NB: the broadcast address means do 'em all */ 1728 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1729 if ((ni = ieee80211_find_node(&ic->ic_sta, 1730 mlme.im_macaddr)) == NULL) 1731 return EINVAL; 1732 domlme(&mlme, ni); 1733 ieee80211_free_node(ni); 1734 } else { 1735 ieee80211_iterate_nodes(&ic->ic_sta, 1736 domlme, &mlme); 1737 } 1738 #endif /* !IEEE80211_NO_HOSTAP */ 1739 break; 1740 default: 1741 return EINVAL; 1742 } 1743 break; 1744 case IEEE80211_MLME_AUTHORIZE: 1745 case IEEE80211_MLME_UNAUTHORIZE: 1746 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1747 return EINVAL; 1748 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1749 if (ni == NULL) 1750 return EINVAL; 1751 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1752 ieee80211_node_authorize(ni); 1753 else 1754 ieee80211_node_unauthorize(ni); 1755 ieee80211_free_node(ni); 1756 break; 1757 default: 1758 return EINVAL; 1759 } 1760 return 0; 1761 } 1762 1763 static int 1764 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1765 { 1766 u_int8_t mac[IEEE80211_ADDR_LEN]; 1767 const struct ieee80211_aclator *acl = ic->ic_acl; 1768 int error; 1769 1770 if (ireq->i_len != sizeof(mac)) 1771 return EINVAL; 1772 error = copyin(ireq->i_data, mac, ireq->i_len); 1773 if (error) 1774 return error; 1775 if (acl == NULL) { 1776 acl = ieee80211_aclator_get("mac"); 1777 if (acl == NULL || !acl->iac_attach(ic)) 1778 return EINVAL; 1779 ic->ic_acl = acl; 1780 } 1781 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1782 acl->iac_add(ic, mac); 1783 else 1784 acl->iac_remove(ic, mac); 1785 return 0; 1786 } 1787 1788 static int 1789 ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1790 { 1791 const struct ieee80211_aclator *acl = ic->ic_acl; 1792 1793 switch (ireq->i_val) { 1794 case IEEE80211_MACCMD_POLICY_OPEN: 1795 case IEEE80211_MACCMD_POLICY_ALLOW: 1796 case IEEE80211_MACCMD_POLICY_DENY: 1797 if (acl == NULL) { 1798 acl = ieee80211_aclator_get("mac"); 1799 if (acl == NULL || !acl->iac_attach(ic)) 1800 return EINVAL; 1801 ic->ic_acl = acl; 1802 } 1803 acl->iac_setpolicy(ic, ireq->i_val); 1804 break; 1805 case IEEE80211_MACCMD_FLUSH: 1806 if (acl != NULL) 1807 acl->iac_flush(ic); 1808 /* NB: silently ignore when not in use */ 1809 break; 1810 case IEEE80211_MACCMD_DETACH: 1811 if (acl != NULL) { 1812 ic->ic_acl = NULL; 1813 acl->iac_detach(ic); 1814 } 1815 break; 1816 default: 1817 if (acl == NULL) 1818 return EINVAL; 1819 else 1820 return acl->iac_setioctl(ic, ireq); 1821 } 1822 return 0; 1823 } 1824 1825 static int 1826 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1827 { 1828 struct ieee80211req_chanlist list; 1829 u_char chanlist[IEEE80211_CHAN_BYTES]; 1830 int i, j, error; 1831 1832 if (ireq->i_len != sizeof(list)) 1833 return EINVAL; 1834 error = copyin(ireq->i_data, &list, sizeof(list)); 1835 if (error) 1836 return error; 1837 memset(chanlist, 0, sizeof(chanlist)); 1838 /* 1839 * Since channel 0 is not available for DS, channel 1 1840 * is assigned to LSB on WaveLAN. 1841 */ 1842 if (ic->ic_phytype == IEEE80211_T_DS) 1843 i = 1; 1844 else 1845 i = 0; 1846 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1847 /* 1848 * NB: silently discard unavailable channels so users 1849 * can specify 1-255 to get all available channels. 1850 */ 1851 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1852 setbit(chanlist, i); 1853 } 1854 if (ic->ic_ibss_chan == NULL || 1855 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1856 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1857 if (isset(chanlist, i)) { 1858 ic->ic_ibss_chan = &ic->ic_channels[i]; 1859 goto found; 1860 } 1861 return EINVAL; /* no active channels */ 1862 found: 1863 ; 1864 } 1865 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1866 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1867 } 1868 1869 static int 1870 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1871 { 1872 struct ieee80211_node *ni; 1873 struct ieee80211req_sta_txpow txpow; 1874 int error; 1875 1876 if (ireq->i_len != sizeof(txpow)) 1877 return EINVAL; 1878 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1879 if (error != 0) 1880 return error; 1881 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1882 if (ni == NULL) 1883 return EINVAL; /* XXX */ 1884 ni->ni_txpower = txpow.it_txpow; 1885 ieee80211_free_node(ni); 1886 return error; 1887 } 1888 1889 static int 1890 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1891 { 1892 struct ieee80211_wme_state *wme = &ic->ic_wme; 1893 struct wmeParams *wmep, *chanp; 1894 int isbss, ac; 1895 1896 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1897 return EINVAL; 1898 1899 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1900 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1901 if (ac >= WME_NUM_AC) 1902 ac = WME_AC_BE; 1903 if (isbss) { 1904 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1905 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1906 } else { 1907 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1908 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1909 } 1910 switch (ireq->i_type) { 1911 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1912 if (isbss) { 1913 wmep->wmep_logcwmin = ireq->i_val; 1914 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1915 chanp->wmep_logcwmin = ireq->i_val; 1916 } else { 1917 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1918 ireq->i_val; 1919 } 1920 break; 1921 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1922 if (isbss) { 1923 wmep->wmep_logcwmax = ireq->i_val; 1924 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1925 chanp->wmep_logcwmax = ireq->i_val; 1926 } else { 1927 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1928 ireq->i_val; 1929 } 1930 break; 1931 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1932 if (isbss) { 1933 wmep->wmep_aifsn = ireq->i_val; 1934 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1935 chanp->wmep_aifsn = ireq->i_val; 1936 } else { 1937 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1938 } 1939 break; 1940 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1941 if (isbss) { 1942 wmep->wmep_txopLimit = ireq->i_val; 1943 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1944 chanp->wmep_txopLimit = ireq->i_val; 1945 } else { 1946 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1947 ireq->i_val; 1948 } 1949 break; 1950 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1951 wmep->wmep_acm = ireq->i_val; 1952 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1953 chanp->wmep_acm = ireq->i_val; 1954 break; 1955 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1956 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1957 (ireq->i_val) == 0; 1958 break; 1959 } 1960 ieee80211_wme_updateparams(ic); 1961 return 0; 1962 } 1963 1964 static int 1965 cipher2cap(int cipher) 1966 { 1967 switch (cipher) { 1968 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 1969 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 1970 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 1971 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 1972 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 1973 } 1974 return 0; 1975 } 1976 1977 static int 1978 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1979 { 1980 #ifdef __FreeBSD__ 1981 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 1982 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1983 char tmpssid[IEEE80211_NWID_LEN]; 1984 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 1985 struct ieee80211_key *k; 1986 u_int kid; 1987 #endif /* __FreeBSD__ */ 1988 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1989 int error; 1990 const struct ieee80211_authenticator *auth; 1991 int j, caps; 1992 1993 error = 0; 1994 switch (ireq->i_type) { 1995 #ifdef __FreeBSD__ 1996 case IEEE80211_IOC_SSID: 1997 if (ireq->i_val != 0 || 1998 ireq->i_len > IEEE80211_NWID_LEN) 1999 return EINVAL; 2000 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2001 if (error) 2002 break; 2003 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2004 ic->ic_des_esslen = ireq->i_len; 2005 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 2006 error = ENETRESET; 2007 break; 2008 #endif /* __FreeBSD__ */ 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 #ifdef __FreeBSD__ 2027 case IEEE80211_IOC_WEPKEY: 2028 kid = (u_int) ireq->i_val; 2029 if (kid >= IEEE80211_WEP_NKID) 2030 return EINVAL; 2031 k = &ic->ic_nw_keys[kid]; 2032 if (ireq->i_len == 0) { 2033 /* zero-len =>'s delete any existing key */ 2034 (void) ieee80211_crypto_delkey(ic, k); 2035 break; 2036 } 2037 if (ireq->i_len > sizeof(tmpkey)) 2038 return EINVAL; 2039 memset(tmpkey, 0, sizeof(tmpkey)); 2040 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2041 if (error) 2042 break; 2043 ieee80211_key_update_begin(ic); 2044 k->wk_keyix = kid; /* NB: force fixed key id */ 2045 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2046 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2047 k->wk_keylen = ireq->i_len; 2048 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2049 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2050 error = EINVAL; 2051 } else 2052 error = EINVAL; 2053 ieee80211_key_update_end(ic); 2054 if (!error) /* NB: for compatibility */ 2055 error = ENETRESET; 2056 break; 2057 case IEEE80211_IOC_WEPTXKEY: 2058 kid = (u_int) ireq->i_val; 2059 if (kid >= IEEE80211_WEP_NKID && 2060 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 2061 return EINVAL; 2062 ic->ic_def_txkey = kid; 2063 error = ENETRESET; /* push to hardware */ 2064 break; 2065 #endif /* __FreeBSD__ */ 2066 case IEEE80211_IOC_AUTHMODE: 2067 switch (ireq->i_val) { 2068 case IEEE80211_AUTH_WPA: 2069 case IEEE80211_AUTH_8021X: /* 802.1x */ 2070 case IEEE80211_AUTH_OPEN: /* open */ 2071 case IEEE80211_AUTH_SHARED: /* shared-key */ 2072 case IEEE80211_AUTH_AUTO: /* auto */ 2073 auth = ieee80211_authenticator_get(ireq->i_val); 2074 if (auth == NULL) 2075 return EINVAL; 2076 break; 2077 default: 2078 return EINVAL; 2079 } 2080 switch (ireq->i_val) { 2081 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2082 ic->ic_flags |= IEEE80211_F_PRIVACY; 2083 ireq->i_val = IEEE80211_AUTH_8021X; 2084 break; 2085 case IEEE80211_AUTH_OPEN: /* open */ 2086 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2087 break; 2088 case IEEE80211_AUTH_SHARED: /* shared-key */ 2089 case IEEE80211_AUTH_8021X: /* 802.1x */ 2090 ic->ic_flags &= ~IEEE80211_F_WPA; 2091 /* both require a key so mark the PRIVACY capability */ 2092 ic->ic_flags |= IEEE80211_F_PRIVACY; 2093 break; 2094 case IEEE80211_AUTH_AUTO: /* auto */ 2095 ic->ic_flags &= ~IEEE80211_F_WPA; 2096 /* XXX PRIVACY handling? */ 2097 /* XXX what's the right way to do this? */ 2098 break; 2099 } 2100 /* NB: authenticator attach/detach happens on state change */ 2101 ic->ic_bss->ni_authmode = ireq->i_val; 2102 /* XXX mixed/mode/usage? */ 2103 ic->ic_auth = auth; 2104 error = ENETRESET; 2105 break; 2106 #ifdef __FreeBSD__ 2107 case IEEE80211_IOC_CHANNEL: 2108 /* XXX 0xffff overflows 16-bit signed */ 2109 if (ireq->i_val == 0 || 2110 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2111 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2112 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2113 isclr(ic->ic_chan_active, ireq->i_val)) { 2114 return EINVAL; 2115 } else 2116 ic->ic_ibss_chan = ic->ic_des_chan = 2117 &ic->ic_channels[ireq->i_val]; 2118 switch (ic->ic_state) { 2119 case IEEE80211_S_INIT: 2120 case IEEE80211_S_SCAN: 2121 error = ENETRESET; 2122 break; 2123 default: 2124 /* 2125 * If the desired channel has changed (to something 2126 * other than any) and we're not already scanning, 2127 * then kick the state machine. 2128 */ 2129 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2130 ic->ic_bss->ni_chan != ic->ic_des_chan && 2131 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2132 error = ENETRESET; 2133 break; 2134 } 2135 if (error == ENETRESET && 2136 ic->ic_opmode == IEEE80211_M_MONITOR) { 2137 if (IS_UP(ic)) { 2138 /* 2139 * Monitor mode can switch directly. 2140 */ 2141 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 2142 ic->ic_curchan = ic->ic_des_chan; 2143 error = ic->ic_reset(ic->ic_ifp); 2144 } else 2145 error = 0; 2146 } 2147 break; 2148 case IEEE80211_IOC_POWERSAVE: 2149 switch (ireq->i_val) { 2150 case IEEE80211_POWERSAVE_OFF: 2151 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2152 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2153 error = ENETRESET; 2154 } 2155 break; 2156 case IEEE80211_POWERSAVE_ON: 2157 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2158 error = EINVAL; 2159 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2160 ic->ic_flags |= IEEE80211_F_PMGTON; 2161 error = ENETRESET; 2162 } 2163 break; 2164 default: 2165 error = EINVAL; 2166 break; 2167 } 2168 break; 2169 case IEEE80211_IOC_POWERSAVESLEEP: 2170 if (ireq->i_val < 0) 2171 return EINVAL; 2172 ic->ic_lintval = ireq->i_val; 2173 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2174 break; 2175 #endif /* __FreeBSD__ */ 2176 case IEEE80211_IOC_RTSTHRESHOLD: 2177 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2178 ireq->i_val <= IEEE80211_RTS_MAX)) 2179 return EINVAL; 2180 ic->ic_rtsthreshold = ireq->i_val; 2181 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2182 break; 2183 case IEEE80211_IOC_PROTMODE: 2184 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2185 return EINVAL; 2186 ic->ic_protmode = ireq->i_val; 2187 /* NB: if not operating in 11g this can wait */ 2188 if (ic->ic_curmode == IEEE80211_MODE_11G) 2189 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2190 break; 2191 case IEEE80211_IOC_TXPOWER: 2192 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2193 return EINVAL; 2194 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2195 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2196 return EINVAL; 2197 ic->ic_txpowlimit = ireq->i_val; 2198 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2199 break; 2200 case IEEE80211_IOC_ROAMING: 2201 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2202 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2203 return EINVAL; 2204 ic->ic_roaming = ireq->i_val; 2205 /* XXXX reset? */ 2206 break; 2207 case IEEE80211_IOC_PRIVACY: 2208 if (ireq->i_val) { 2209 /* XXX check for key state? */ 2210 ic->ic_flags |= IEEE80211_F_PRIVACY; 2211 } else 2212 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2213 break; 2214 case IEEE80211_IOC_DROPUNENCRYPTED: 2215 if (ireq->i_val) 2216 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2217 else 2218 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2219 break; 2220 case IEEE80211_IOC_WPAKEY: 2221 error = ieee80211_ioctl_setkey(ic, ireq); 2222 break; 2223 case IEEE80211_IOC_DELKEY: 2224 error = ieee80211_ioctl_delkey(ic, ireq); 2225 break; 2226 case IEEE80211_IOC_MLME: 2227 error = ieee80211_ioctl_setmlme(ic, ireq); 2228 break; 2229 case IEEE80211_IOC_OPTIE: 2230 error = ieee80211_ioctl_setoptie(ic, ireq); 2231 break; 2232 case IEEE80211_IOC_COUNTERMEASURES: 2233 if (ireq->i_val) { 2234 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2235 return EINVAL; 2236 ic->ic_flags |= IEEE80211_F_COUNTERM; 2237 } else 2238 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2239 break; 2240 case IEEE80211_IOC_WPA: 2241 if (ireq->i_val > 3) 2242 return EINVAL; 2243 /* XXX verify ciphers available */ 2244 ic->ic_flags &= ~IEEE80211_F_WPA; 2245 switch (ireq->i_val) { 2246 case 1: 2247 ic->ic_flags |= IEEE80211_F_WPA1; 2248 break; 2249 case 2: 2250 ic->ic_flags |= IEEE80211_F_WPA2; 2251 break; 2252 case 3: 2253 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2254 break; 2255 } 2256 error = ENETRESET; /* XXX? */ 2257 break; 2258 case IEEE80211_IOC_WME: 2259 if (ireq->i_val) { 2260 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2261 return EINVAL; 2262 ic->ic_flags |= IEEE80211_F_WME; 2263 } else 2264 ic->ic_flags &= ~IEEE80211_F_WME; 2265 error = ENETRESET; /* XXX maybe not for station? */ 2266 break; 2267 case IEEE80211_IOC_HIDESSID: 2268 if (ireq->i_val) 2269 ic->ic_flags |= IEEE80211_F_HIDESSID; 2270 else 2271 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2272 error = ENETRESET; 2273 break; 2274 case IEEE80211_IOC_APBRIDGE: 2275 if (ireq->i_val == 0) 2276 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2277 else 2278 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2279 break; 2280 case IEEE80211_IOC_MCASTCIPHER: 2281 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2282 !ieee80211_crypto_available(ireq->i_val)) 2283 return EINVAL; 2284 rsn->rsn_mcastcipher = ireq->i_val; 2285 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2286 break; 2287 case IEEE80211_IOC_MCASTKEYLEN: 2288 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2289 return EINVAL; 2290 /* XXX no way to verify driver capability */ 2291 rsn->rsn_mcastkeylen = ireq->i_val; 2292 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2293 break; 2294 case IEEE80211_IOC_UCASTCIPHERS: 2295 /* 2296 * Convert user-specified cipher set to the set 2297 * we can support (via hardware or software). 2298 * NB: this logic intentionally ignores unknown and 2299 * unsupported ciphers so folks can specify 0xff or 2300 * similar and get all available ciphers. 2301 */ 2302 caps = 0; 2303 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2304 if ((ireq->i_val & (1<<j)) && 2305 ((ic->ic_caps & cipher2cap(j)) || 2306 ieee80211_crypto_available(j))) 2307 caps |= 1<<j; 2308 if (caps == 0) /* nothing available */ 2309 return EINVAL; 2310 /* XXX verify ciphers ok for unicast use? */ 2311 /* XXX disallow if running as it'll have no effect */ 2312 rsn->rsn_ucastcipherset = caps; 2313 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2314 break; 2315 case IEEE80211_IOC_UCASTCIPHER: 2316 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2317 return EINVAL; 2318 rsn->rsn_ucastcipher = ireq->i_val; 2319 break; 2320 case IEEE80211_IOC_UCASTKEYLEN: 2321 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2322 return EINVAL; 2323 /* XXX no way to verify driver capability */ 2324 rsn->rsn_ucastkeylen = ireq->i_val; 2325 break; 2326 case IEEE80211_IOC_DRIVER_CAPS: 2327 /* NB: for testing */ 2328 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2329 ((u_int16_t) ireq->i_len); 2330 break; 2331 case IEEE80211_IOC_KEYMGTALGS: 2332 /* XXX check */ 2333 rsn->rsn_keymgmtset = ireq->i_val; 2334 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2335 break; 2336 case IEEE80211_IOC_RSNCAPS: 2337 /* XXX check */ 2338 rsn->rsn_caps = ireq->i_val; 2339 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2340 break; 2341 #ifdef __FreeBSD__ 2342 case IEEE80211_IOC_BSSID: 2343 /* NB: should only be set when in STA mode */ 2344 if (ic->ic_opmode != IEEE80211_M_STA) 2345 return EINVAL; 2346 if (ireq->i_len != sizeof(tmpbssid)) 2347 return EINVAL; 2348 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2349 if (error) 2350 break; 2351 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2352 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2353 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2354 else 2355 ic->ic_flags |= IEEE80211_F_DESBSSID; 2356 error = ENETRESET; 2357 break; 2358 #endif /* __FreeBSD__ */ 2359 case IEEE80211_IOC_CHANLIST: 2360 error = ieee80211_ioctl_setchanlist(ic, ireq); 2361 break; 2362 case IEEE80211_IOC_SCAN_REQ: 2363 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2364 break; 2365 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2366 if (error == 0) /* XXX background scan */ 2367 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2368 break; 2369 case IEEE80211_IOC_ADDMAC: 2370 case IEEE80211_IOC_DELMAC: 2371 error = ieee80211_ioctl_macmac(ic, ireq); 2372 break; 2373 case IEEE80211_IOC_MACCMD: 2374 error = ieee80211_ioctl_setmaccmd(ic, ireq); 2375 break; 2376 case IEEE80211_IOC_STA_TXPOW: 2377 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2378 break; 2379 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2380 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2381 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2382 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2383 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2384 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2385 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2386 break; 2387 case IEEE80211_IOC_DTIM_PERIOD: 2388 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2389 ic->ic_opmode != IEEE80211_M_IBSS) 2390 return EINVAL; 2391 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2392 ireq->i_val <= IEEE80211_DTIM_MAX) { 2393 ic->ic_dtim_period = ireq->i_val; 2394 error = ENETRESET; /* requires restart */ 2395 } else 2396 error = EINVAL; 2397 break; 2398 case IEEE80211_IOC_BEACON_INTERVAL: 2399 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2400 ic->ic_opmode != IEEE80211_M_IBSS) 2401 return EINVAL; 2402 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2403 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2404 ic->ic_bintval = ireq->i_val; 2405 error = ENETRESET; /* requires restart */ 2406 } else 2407 error = EINVAL; 2408 break; 2409 case IEEE80211_IOC_PUREG: 2410 if (ireq->i_val) 2411 ic->ic_flags |= IEEE80211_F_PUREG; 2412 else 2413 ic->ic_flags &= ~IEEE80211_F_PUREG; 2414 /* NB: reset only if we're operating on an 11g channel */ 2415 if (ic->ic_curmode == IEEE80211_MODE_11G) 2416 error = ENETRESET; 2417 break; 2418 case IEEE80211_IOC_FRAGTHRESHOLD: 2419 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && 2420 ireq->i_val != IEEE80211_FRAG_MAX) 2421 return EINVAL; 2422 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2423 ireq->i_val <= IEEE80211_FRAG_MAX)) 2424 return EINVAL; 2425 ic->ic_fragthreshold = ireq->i_val; 2426 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2427 break; 2428 default: 2429 error = EINVAL; 2430 break; 2431 } 2432 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2433 error = 0; 2434 return error; 2435 } 2436 2437 #ifdef __FreeBSD__ 2438 int 2439 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2440 { 2441 struct ifnet *ifp = ic->ic_ifp; 2442 int error = 0; 2443 struct ifreq *ifr; 2444 struct ifaddr *ifa; /* XXX */ 2445 2446 switch (cmd) { 2447 case SIOCSIFMEDIA: 2448 case SIOCGIFMEDIA: 2449 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2450 &ic->ic_media, cmd); 2451 break; 2452 case SIOCG80211: 2453 error = ieee80211_ioctl_get80211(ic, cmd, 2454 (struct ieee80211req *) data); 2455 break; 2456 case SIOCS80211: 2457 error = suser(curthread); 2458 if (error == 0) 2459 error = ieee80211_ioctl_set80211(ic, cmd, 2460 (struct ieee80211req *) data); 2461 break; 2462 case SIOCGIFGENERIC: 2463 error = ieee80211_cfgget(ic, cmd, data); 2464 break; 2465 case SIOCSIFGENERIC: 2466 error = suser(curthread); 2467 if (error) 2468 break; 2469 error = ieee80211_cfgset(ic, cmd, data); 2470 break; 2471 case SIOCG80211STATS: 2472 ifr = (struct ifreq *)data; 2473 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2474 break; 2475 case SIOCSIFMTU: 2476 ifr = (struct ifreq *)data; 2477 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2478 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2479 error = EINVAL; 2480 else 2481 ifp->if_mtu = ifr->ifr_mtu; 2482 break; 2483 case SIOCSIFADDR: 2484 /* 2485 * XXX Handle this directly so we can supress if_init calls. 2486 * XXX This should be done in ether_ioctl but for the moment 2487 * XXX there are too many other parts of the system that 2488 * XXX set IFF_UP and so supress if_init being called when 2489 * XXX it should be. 2490 */ 2491 ifa = (struct ifaddr *) data; 2492 switch (ifa->ifa_addr->sa_family) { 2493 #ifdef INET 2494 case AF_INET: 2495 if ((ifp->if_flags & IFF_UP) == 0) { 2496 ifp->if_flags |= IFF_UP; 2497 ifp->if_init(ifp->if_softc); 2498 } 2499 arp_ifinit(ifp, ifa); 2500 break; 2501 #endif 2502 #ifdef IPX 2503 /* 2504 * XXX - This code is probably wrong, 2505 * but has been copied many times. 2506 */ 2507 case AF_IPX: { 2508 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2509 2510 if (ipx_nullhost(*ina)) 2511 ina->x_host = *(union ipx_host *) 2512 IFP2ENADDR(ifp); 2513 else 2514 bcopy((caddr_t) ina->x_host.c_host, 2515 (caddr_t) IFP2ENADDR(ifp), 2516 ETHER_ADDR_LEN); 2517 /* fall thru... */ 2518 } 2519 #endif 2520 default: 2521 if ((ifp->if_flags & IFF_UP) == 0) { 2522 ifp->if_flags |= IFF_UP; 2523 ifp->if_init(ifp->if_softc); 2524 } 2525 break; 2526 } 2527 break; 2528 default: 2529 error = ether_ioctl(ifp, cmd, data); 2530 break; 2531 } 2532 return error; 2533 } 2534 #endif /* __FreeBSD__ */ 2535 2536 #ifdef COMPAT_20 2537 static void 2538 ieee80211_get_ostats(struct ieee80211_ostats *ostats, 2539 struct ieee80211_stats *stats) 2540 { 2541 #define COPYSTATS1(__ostats, __nstats, __dstmemb, __srcmemb, __lastmemb)\ 2542 (void)memcpy(&(__ostats)->__dstmemb, &(__nstats)->__srcmemb, \ 2543 offsetof(struct ieee80211_stats, __lastmemb) - \ 2544 offsetof(struct ieee80211_stats, __srcmemb)) 2545 #define COPYSTATS(__ostats, __nstats, __dstmemb, __lastmemb) \ 2546 COPYSTATS1(__ostats, __nstats, __dstmemb, __dstmemb, __lastmemb) 2547 2548 COPYSTATS(ostats, stats, is_rx_badversion, is_rx_unencrypted); 2549 COPYSTATS(ostats, stats, is_rx_wepfail, is_rx_beacon); 2550 COPYSTATS(ostats, stats, is_rx_rstoobig, is_rx_auth_countermeasures); 2551 COPYSTATS(ostats, stats, is_rx_assoc_bss, is_rx_assoc_badwpaie); 2552 COPYSTATS(ostats, stats, is_rx_deauth, is_rx_unauth); 2553 COPYSTATS1(ostats, stats, is_tx_nombuf, is_tx_nobuf, is_tx_badcipher); 2554 COPYSTATS(ostats, stats, is_scan_active, is_crypto_tkip); 2555 } 2556 #endif /* COMPAT_20 */ 2557 2558 #ifdef __NetBSD__ 2559 int 2560 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2561 { 2562 struct ifnet *ifp = ic->ic_ifp; 2563 struct ifreq *ifr = (struct ifreq *)data; 2564 int i, error = 0, kid, klen, s; 2565 struct ieee80211_key *k; 2566 struct ieee80211_nwid nwid; 2567 struct ieee80211_nwkey *nwkey; 2568 struct ieee80211_power *power; 2569 struct ieee80211_bssid *bssid; 2570 struct ieee80211chanreq *chanreq; 2571 struct ieee80211_channel *chan; 2572 uint32_t oflags; 2573 #ifdef COMPAT_20 2574 struct ieee80211_ostats ostats; 2575 #endif /* COMPAT_20 */ 2576 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 2577 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 2578 }; 2579 u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; 2580 2581 switch (cmd) { 2582 case SIOCSIFMEDIA: 2583 case SIOCGIFMEDIA: 2584 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2585 break; 2586 case SIOCG80211: 2587 error = ieee80211_ioctl_get80211(ic, cmd, 2588 (struct ieee80211req *) data); 2589 break; 2590 case SIOCS80211: 2591 if ((error = suser(curproc->p_ucred, &curproc->p_acflag)) != 0) 2592 break; 2593 error = ieee80211_ioctl_set80211(ic, cmd, 2594 (struct ieee80211req *) data); 2595 break; 2596 case SIOCS80211NWID: 2597 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 2598 break; 2599 if (nwid.i_len > IEEE80211_NWID_LEN) { 2600 error = EINVAL; 2601 break; 2602 } 2603 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2604 ic->ic_des_esslen = nwid.i_len; 2605 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 2606 error = ENETRESET; 2607 break; 2608 case SIOCG80211NWID: 2609 memset(&nwid, 0, sizeof(nwid)); 2610 switch (ic->ic_state) { 2611 case IEEE80211_S_INIT: 2612 case IEEE80211_S_SCAN: 2613 nwid.i_len = ic->ic_des_esslen; 2614 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 2615 break; 2616 default: 2617 nwid.i_len = ic->ic_bss->ni_esslen; 2618 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 2619 break; 2620 } 2621 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 2622 break; 2623 case SIOCS80211NWKEY: 2624 nwkey = (struct ieee80211_nwkey *)data; 2625 /* transmit key index out of range? */ 2626 kid = nwkey->i_defkid - 1; 2627 if (kid < 0 || kid >= IEEE80211_WEP_NKID) { 2628 error = EINVAL; 2629 break; 2630 } 2631 /* no such transmit key is set? */ 2632 if (nwkey->i_key[kid].i_keylen == 0 || 2633 (nwkey->i_key[kid].i_keylen == -1 && 2634 ic->ic_nw_keys[kid].wk_keylen == 0)) { 2635 if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { 2636 error = EINVAL; 2637 break; 2638 } 2639 } 2640 /* check key lengths */ 2641 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2642 klen = nwkey->i_key[kid].i_keylen; 2643 if ((klen > 0 && 2644 klen < IEEE80211_WEP_KEYLEN) || 2645 klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { 2646 error = EINVAL; 2647 break; 2648 } 2649 } 2650 2651 if (error) 2652 break; 2653 2654 /* copy in keys */ 2655 (void)memset(tmpkey, 0, sizeof(tmpkey)); 2656 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2657 klen = nwkey->i_key[kid].i_keylen; 2658 if (klen <= 0) 2659 continue; 2660 if ((error = copyin(nwkey->i_key[kid].i_keydat, 2661 tmpkey[kid], klen)) != 0) 2662 break; 2663 } 2664 2665 if (error) 2666 break; 2667 2668 /* set keys */ 2669 ieee80211_key_update_begin(ic); 2670 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2671 klen = nwkey->i_key[kid].i_keylen; 2672 if (klen <= 0) 2673 continue; 2674 k = &ic->ic_nw_keys[kid]; 2675 k->wk_keyix = kid; 2676 if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2677 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2678 error = EINVAL; 2679 continue; 2680 } 2681 k->wk_keylen = nwkey->i_key[kid].i_keylen; 2682 (void)memcpy(k->wk_key, tmpkey[kid], 2683 sizeof(tmpkey[kid])); 2684 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2685 error = EINVAL; 2686 } 2687 ieee80211_key_update_end(ic); 2688 2689 if (error) 2690 break; 2691 2692 /* delete keys */ 2693 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2694 klen = nwkey->i_key[kid].i_keylen; 2695 k = &ic->ic_nw_keys[kid]; 2696 if (klen <= 0) 2697 (void)ieee80211_crypto_delkey(ic, k); 2698 } 2699 2700 /* set transmit key */ 2701 kid = nwkey->i_defkid - 1; 2702 if (ic->ic_def_txkey != kid) { 2703 ic->ic_def_txkey = kid; 2704 error = ENETRESET; 2705 } 2706 oflags = ic->ic_flags; 2707 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 2708 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2709 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2710 } else { 2711 ic->ic_flags |= IEEE80211_F_PRIVACY; 2712 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2713 } 2714 if (oflags != ic->ic_flags) 2715 error = ENETRESET; 2716 break; 2717 case SIOCG80211NWKEY: 2718 nwkey = (struct ieee80211_nwkey *)data; 2719 if (ic->ic_flags & IEEE80211_F_PRIVACY) 2720 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 2721 else 2722 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 2723 nwkey->i_defkid = ic->ic_def_txkey + 1; 2724 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2725 if (nwkey->i_key[i].i_keydat == NULL) 2726 continue; 2727 /* do not show any keys to non-root user */ 2728 if ((error = suser(curproc->p_ucred, 2729 &curproc->p_acflag)) != 0) 2730 break; 2731 nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; 2732 if ((error = copyout(ic->ic_nw_keys[i].wk_key, 2733 nwkey->i_key[i].i_keydat, 2734 ic->ic_nw_keys[i].wk_keylen)) != 0) 2735 break; 2736 } 2737 break; 2738 case SIOCS80211POWER: 2739 power = (struct ieee80211_power *)data; 2740 ic->ic_lintval = power->i_maxsleep; 2741 if (power->i_enabled != 0) { 2742 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2743 error = EINVAL; 2744 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2745 ic->ic_flags |= IEEE80211_F_PMGTON; 2746 error = ENETRESET; 2747 } 2748 } else { 2749 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2750 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2751 error = ENETRESET; 2752 } 2753 } 2754 break; 2755 case SIOCG80211POWER: 2756 power = (struct ieee80211_power *)data; 2757 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 2758 power->i_maxsleep = ic->ic_lintval; 2759 break; 2760 case SIOCS80211BSSID: 2761 bssid = (struct ieee80211_bssid *)data; 2762 if (IEEE80211_ADDR_EQ(bssid->i_bssid, empty_macaddr)) 2763 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2764 else { 2765 ic->ic_flags |= IEEE80211_F_DESBSSID; 2766 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 2767 } 2768 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2769 break; 2770 switch (ic->ic_state) { 2771 case IEEE80211_S_INIT: 2772 case IEEE80211_S_SCAN: 2773 error = ENETRESET; 2774 break; 2775 default: 2776 if ((ic->ic_flags & IEEE80211_F_DESBSSID) && 2777 !IEEE80211_ADDR_EQ(ic->ic_des_bssid, 2778 ic->ic_bss->ni_bssid)) 2779 error = ENETRESET; 2780 break; 2781 } 2782 break; 2783 case SIOCG80211BSSID: 2784 bssid = (struct ieee80211_bssid *)data; 2785 switch (ic->ic_state) { 2786 case IEEE80211_S_INIT: 2787 case IEEE80211_S_SCAN: 2788 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2789 IEEE80211_ADDR_COPY(bssid->i_bssid, 2790 ic->ic_myaddr); 2791 else if (ic->ic_flags & IEEE80211_F_DESBSSID) 2792 IEEE80211_ADDR_COPY(bssid->i_bssid, 2793 ic->ic_des_bssid); 2794 else 2795 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 2796 break; 2797 default: 2798 IEEE80211_ADDR_COPY(bssid->i_bssid, 2799 ic->ic_bss->ni_bssid); 2800 break; 2801 } 2802 break; 2803 case SIOCS80211CHANNEL: 2804 chanreq = (struct ieee80211chanreq *)data; 2805 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 2806 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2807 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 2808 isclr(ic->ic_chan_active, chanreq->i_channel)) { 2809 error = EINVAL; 2810 break; 2811 } else 2812 ic->ic_ibss_chan = ic->ic_des_chan = 2813 &ic->ic_channels[chanreq->i_channel]; 2814 switch (ic->ic_state) { 2815 case IEEE80211_S_INIT: 2816 case IEEE80211_S_SCAN: 2817 error = ENETRESET; 2818 break; 2819 default: 2820 if (ic->ic_opmode == IEEE80211_M_STA) { 2821 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2822 ic->ic_bss->ni_chan != ic->ic_des_chan) 2823 error = ENETRESET; 2824 } else { 2825 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 2826 error = ENETRESET; 2827 } 2828 break; 2829 } 2830 break; 2831 case SIOCG80211CHANNEL: 2832 chanreq = (struct ieee80211chanreq *)data; 2833 switch (ic->ic_state) { 2834 case IEEE80211_S_INIT: 2835 case IEEE80211_S_SCAN: 2836 if (ic->ic_opmode == IEEE80211_M_STA) 2837 chan = ic->ic_des_chan; 2838 else 2839 chan = ic->ic_ibss_chan; 2840 break; 2841 default: 2842 chan = ic->ic_bss->ni_chan; 2843 break; 2844 } 2845 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 2846 break; 2847 case SIOCGIFGENERIC: 2848 error = ieee80211_cfgget(ic, cmd, data); 2849 break; 2850 case SIOCSIFGENERIC: 2851 error = suser(curproc->p_ucred, &curproc->p_acflag); 2852 if (error) 2853 break; 2854 error = ieee80211_cfgset(ic, cmd, data); 2855 break; 2856 #ifdef COMPAT_20 2857 case OSIOCG80211STATS: 2858 case OSIOCG80211ZSTATS: 2859 ifr = (struct ifreq *)data; 2860 s = splnet(); 2861 ieee80211_get_ostats(&ostats, &ic->ic_stats); 2862 error = copyout(&ostats, ifr->ifr_data, sizeof(ostats)); 2863 if (error == 0 && cmd == OSIOCG80211ZSTATS) 2864 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2865 splx(s); 2866 break; 2867 #endif /* COMPAT_20 */ 2868 case SIOCG80211ZSTATS: 2869 case SIOCG80211STATS: 2870 ifr = (struct ifreq *)data; 2871 s = splnet(); 2872 error = copyout(&ic->ic_stats, ifr->ifr_buf, 2873 MIN(sizeof(ic->ic_stats), ifr->ifr_buflen)); 2874 if (error == 0 && cmd == SIOCG80211ZSTATS) 2875 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2876 splx(s); 2877 break; 2878 case SIOCSIFMTU: 2879 ifr = (struct ifreq *)data; 2880 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2881 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2882 error = EINVAL; 2883 else 2884 ifp->if_mtu = ifr->ifr_mtu; 2885 break; 2886 default: 2887 error = ether_ioctl(ifp, cmd, data); 2888 break; 2889 } 2890 return error; 2891 } 2892 #endif /* __NetBSD__ */ 2893
Indexes created Fri Sep 26 08:10:20 GMT 2025