ieee80211_ioctl.c revision 1.62
1 /* $netBSD: ieee80211_ioctl.c,v 1.60.16.1 2018/03/28 00:30:05 pgoyette 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 1.62 2019/01/28 21:13:58 christos Exp $"); 40 #endif 41 42 /* 43 * IEEE 802.11 ioctl support (FreeBSD-specific) 44 */ 45 46 #ifdef _KERNEL_OPT 47 #include "opt_inet.h" 48 #include "opt_compat_netbsd.h" 49 #endif 50 51 #include <sys/endian.h> 52 #include <sys/param.h> 53 #include <sys/kernel.h> 54 #include <sys/socket.h> 55 #include <sys/sockio.h> 56 #include <sys/systm.h> 57 #include <sys/proc.h> 58 #include <sys/kauth.h> 59 #include <sys/module.h> 60 #include <sys/compat_stub.h> 61 62 #include <net/if.h> 63 #include <net/if_arp.h> 64 #include <net/if_media.h> 65 #include <net/if_ether.h> 66 67 #ifdef INET 68 #include <netinet/in.h> 69 #include <netinet/if_inarp.h> 70 #endif 71 72 #include <net80211/ieee80211_var.h> 73 #include <net80211/ieee80211_ioctl.h> 74 75 #include <dev/ic/wi_ieee.h> 76 77 #include <compat/sys/sockio.h> 78 79 #ifdef __FreeBSD__ 80 #define IS_UP(_ic) \ 81 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 82 ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING)) 83 #endif 84 #ifdef __NetBSD__ 85 #define IS_UP(_ic) \ 86 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 87 ((_ic)->ic_ifp->if_flags & IFF_RUNNING)) 88 #endif 89 #define IS_UP_AUTO(_ic) \ 90 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 91 92 /* 93 * XXX 94 * Wireless LAN specific configuration interface, which is compatible 95 * with wicontrol(8). 96 */ 97 98 struct wi_read_ap_args { 99 int i; /* result count */ 100 struct wi_apinfo *ap; /* current entry in result buffer */ 101 void * max; /* result buffer bound */ 102 }; 103 104 static void 105 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 106 { 107 struct ieee80211com *ic = ni->ni_ic; 108 struct wi_read_ap_args *sa = arg; 109 struct wi_apinfo *ap = sa->ap; 110 struct ieee80211_rateset *rs; 111 int j; 112 113 if ((void *)(ap + 1) > sa->max) 114 return; 115 memset(ap, 0, sizeof(struct wi_apinfo)); 116 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 117 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 118 ap->namelen = ic->ic_des_esslen; 119 if (ic->ic_des_esslen) 120 memcpy(ap->name, ic->ic_des_essid, 121 ic->ic_des_esslen); 122 } else { 123 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 124 ap->namelen = ni->ni_esslen; 125 if (ni->ni_esslen) 126 memcpy(ap->name, ni->ni_essid, 127 ni->ni_esslen); 128 } 129 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 130 ap->signal = ic->ic_node_getrssi(ni); 131 ap->capinfo = ni->ni_capinfo; 132 ap->interval = ni->ni_intval; 133 rs = &ni->ni_rates; 134 for (j = 0; j < rs->rs_nrates; j++) { 135 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 136 ap->rate = (rs->rs_rates[j] & 137 IEEE80211_RATE_VAL) * 5; /* XXX */ 138 } 139 } 140 sa->i++; 141 sa->ap++; 142 } 143 144 struct wi_read_prism2_args { 145 int i; /* result count */ 146 struct wi_scan_res *res;/* current entry in result buffer */ 147 void * max; /* result buffer bound */ 148 }; 149 150 #if 0 151 static void 152 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 153 { 154 struct ieee80211com *ic = ni->ni_ic; 155 struct wi_read_prism2_args *sa = arg; 156 struct wi_scan_res *res = sa->res; 157 158 if ((void *)(res + 1) > sa->max) 159 return; 160 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 161 res->wi_noise = 0; 162 res->wi_signal = ic->ic_node_getrssi(ni); 163 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 164 res->wi_interval = ni->ni_intval; 165 res->wi_capinfo = ni->ni_capinfo; 166 res->wi_ssid_len = ni->ni_esslen; 167 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 168 /* NB: assumes wi_srates holds <= ni->ni_rates */ 169 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 170 sizeof(res->wi_srates)); 171 if (ni->ni_rates.rs_nrates < 10) 172 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 173 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 174 res->wi_rsvd = 0; 175 176 sa->i++; 177 sa->res++; 178 } 179 180 struct wi_read_sigcache_args { 181 int i; /* result count */ 182 struct wi_sigcache *wsc;/* current entry in result buffer */ 183 void * max; /* result buffer bound */ 184 }; 185 186 static void 187 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 188 { 189 struct ieee80211com *ic = ni->ni_ic; 190 struct wi_read_sigcache_args *sa = arg; 191 struct wi_sigcache *wsc = sa->wsc; 192 193 if ((void *)(wsc + 1) > sa->max) 194 return; 195 memset(wsc, 0, sizeof(struct wi_sigcache)); 196 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 197 wsc->signal = ic->ic_node_getrssi(ni); 198 199 sa->wsc++; 200 sa->i++; 201 } 202 #endif 203 204 int 205 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, void *data) 206 { 207 struct ifnet *ifp = ic->ic_ifp; 208 int i, j, error; 209 struct ifreq *ifr = (struct ifreq *)data; 210 struct wi_req *wreq; 211 struct wi_ltv_keys *keys; 212 213 wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); 214 error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); 215 if (error) 216 goto out; 217 wreq->wi_len = 0; 218 switch (wreq->wi_type) { 219 case WI_RID_SERIALNO: 220 case WI_RID_STA_IDENTITY: 221 /* nothing appropriate */ 222 break; 223 case WI_RID_NODENAME: 224 strlcpy((char *)&wreq->wi_val[1], hostname, 225 sizeof(wreq->wi_val) - sizeof(wreq->wi_val[0])); 226 wreq->wi_val[0] = htole16(strlen(hostname)); 227 wreq->wi_len = (1 + strlen(hostname) + 1) / 2; 228 break; 229 case WI_RID_CURRENT_SSID: 230 if (ic->ic_state != IEEE80211_S_RUN) { 231 wreq->wi_val[0] = 0; 232 wreq->wi_len = 1; 233 break; 234 } 235 wreq->wi_val[0] = htole16(ic->ic_bss->ni_esslen); 236 memcpy(&wreq->wi_val[1], ic->ic_bss->ni_essid, 237 ic->ic_bss->ni_esslen); 238 wreq->wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 239 break; 240 case WI_RID_OWN_SSID: 241 case WI_RID_DESIRED_SSID: 242 wreq->wi_val[0] = htole16(ic->ic_des_esslen); 243 memcpy(&wreq->wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 244 wreq->wi_len = (1 + ic->ic_des_esslen + 1) / 2; 245 break; 246 case WI_RID_CURRENT_BSSID: 247 if (ic->ic_state == IEEE80211_S_RUN) 248 IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_bss->ni_bssid); 249 else 250 memset(wreq->wi_val, 0, IEEE80211_ADDR_LEN); 251 wreq->wi_len = IEEE80211_ADDR_LEN / 2; 252 break; 253 case WI_RID_CHANNEL_LIST: 254 memset(wreq->wi_val, 0, sizeof(wreq->wi_val)); 255 /* 256 * Since channel 0 is not available for DS, channel 1 257 * is assigned to LSB on WaveLAN. 258 */ 259 if (ic->ic_phytype == IEEE80211_T_DS) 260 i = 1; 261 else 262 i = 0; 263 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 264 if (isset(ic->ic_chan_active, i)) { 265 setbit((u_int8_t *)wreq->wi_val, j); 266 wreq->wi_len = j / 16 + 1; 267 } 268 break; 269 case WI_RID_OWN_CHNL: 270 wreq->wi_val[0] = htole16( 271 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 272 wreq->wi_len = 1; 273 break; 274 case WI_RID_CURRENT_CHAN: 275 wreq->wi_val[0] = htole16( 276 ieee80211_chan2ieee(ic, ic->ic_curchan)); 277 wreq->wi_len = 1; 278 break; 279 case WI_RID_COMMS_QUALITY: 280 wreq->wi_val[0] = 0; /* quality */ 281 wreq->wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 282 wreq->wi_val[2] = 0; /* noise */ 283 wreq->wi_len = 3; 284 break; 285 case WI_RID_PROMISC: 286 wreq->wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 287 wreq->wi_len = 1; 288 break; 289 case WI_RID_PORTTYPE: 290 wreq->wi_val[0] = htole16(ic->ic_opmode); 291 wreq->wi_len = 1; 292 break; 293 case WI_RID_MAC_NODE: 294 IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_myaddr); 295 wreq->wi_len = IEEE80211_ADDR_LEN / 2; 296 break; 297 case WI_RID_TX_RATE: 298 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 299 wreq->wi_val[0] = 0; /* auto */ 300 else 301 wreq->wi_val[0] = htole16( 302 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 303 IEEE80211_RATE_VAL) / 2); 304 wreq->wi_len = 1; 305 break; 306 case WI_RID_CUR_TX_RATE: 307 wreq->wi_val[0] = htole16( 308 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 309 IEEE80211_RATE_VAL) / 2); 310 wreq->wi_len = 1; 311 break; 312 case WI_RID_FRAG_THRESH: 313 wreq->wi_val[0] = htole16(ic->ic_fragthreshold); 314 wreq->wi_len = 1; 315 break; 316 case WI_RID_RTS_THRESH: 317 wreq->wi_val[0] = htole16(ic->ic_rtsthreshold); 318 wreq->wi_len = 1; 319 break; 320 case WI_RID_CREATE_IBSS: 321 wreq->wi_val[0] = 322 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 323 wreq->wi_len = 1; 324 break; 325 case WI_RID_MICROWAVE_OVEN: 326 wreq->wi_val[0] = 0; /* no ... not supported */ 327 wreq->wi_len = 1; 328 break; 329 case WI_RID_ROAMING_MODE: 330 wreq->wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 331 wreq->wi_len = 1; 332 break; 333 case WI_RID_SYSTEM_SCALE: 334 wreq->wi_val[0] = htole16(1); /* low density ... not supp */ 335 wreq->wi_len = 1; 336 break; 337 case WI_RID_PM_ENABLED: 338 wreq->wi_val[0] = 339 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 340 wreq->wi_len = 1; 341 break; 342 case WI_RID_MAX_SLEEP: 343 wreq->wi_val[0] = htole16(ic->ic_lintval); 344 wreq->wi_len = 1; 345 break; 346 case WI_RID_CUR_BEACON_INT: 347 wreq->wi_val[0] = htole16(ic->ic_bss->ni_intval); 348 wreq->wi_len = 1; 349 break; 350 case WI_RID_WEP_AVAIL: 351 wreq->wi_val[0] = htole16(1); /* always available */ 352 wreq->wi_len = 1; 353 break; 354 case WI_RID_CNFAUTHMODE: 355 wreq->wi_val[0] = htole16(1); /* TODO: open system only */ 356 wreq->wi_len = 1; 357 break; 358 case WI_RID_ENCRYPTION: 359 wreq->wi_val[0] = 360 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 361 wreq->wi_len = 1; 362 break; 363 case WI_RID_TX_CRYPT_KEY: 364 wreq->wi_val[0] = htole16(ic->ic_def_txkey); 365 wreq->wi_len = 1; 366 break; 367 case WI_RID_DEFLT_CRYPT_KEYS: 368 keys = (struct wi_ltv_keys *)wreq; 369 /* do not show keys to non-root user */ 370 error = kauth_authorize_network(curlwp->l_cred, 371 KAUTH_NETWORK_INTERFACE, 372 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, 373 NULL, NULL); 374 if (error) { 375 memset(keys, 0, sizeof(*keys)); 376 error = 0; 377 break; 378 } 379 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 380 keys->wi_keys[i].wi_keylen = 381 htole16(ic->ic_nw_keys[i].wk_keylen); 382 memcpy(keys->wi_keys[i].wi_keydat, 383 ic->ic_nw_keys[i].wk_key, 384 ic->ic_nw_keys[i].wk_keylen); 385 } 386 wreq->wi_len = sizeof(*keys) / 2; 387 break; 388 case WI_RID_MAX_DATALEN: 389 wreq->wi_val[0] = htole16(ic->ic_fragthreshold); 390 wreq->wi_len = 1; 391 break; 392 case WI_RID_DBM_ADJUST: 393 /* not supported, we just pass rssi value from driver. */ 394 break; 395 case WI_RID_IFACE_STATS: 396 /* XXX: should be implemented in lower drivers */ 397 break; 398 case WI_RID_READ_APS: 399 /* 400 * Don't return results until active scan completes. 401 */ 402 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 403 struct wi_read_ap_args args; 404 405 args.i = 0; 406 args.ap = (void *)((char *)wreq->wi_val + sizeof(i)); 407 args.max = (void *)(wreq + 1); 408 ieee80211_iterate_nodes(&ic->ic_scan, 409 wi_read_ap_result, &args); 410 memcpy(wreq->wi_val, &args.i, sizeof(args.i)); 411 wreq->wi_len = (sizeof(int) + 412 sizeof(struct wi_apinfo) * args.i) / 2; 413 } else 414 error = EINPROGRESS; 415 break; 416 #if 0 417 case WI_RID_SCAN_RES: /* compatibility interface */ 418 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 419 struct wi_read_prism2_args args; 420 struct wi_scan_p2_hdr *p2; 421 422 /* NB: use Prism2 format so we can include rate info */ 423 p2 = (struct wi_scan_p2_hdr *)wreq->wi_val; 424 args.i = 0; 425 args.res = (void *)&p2[1]; 426 args.max = (void *)(wreq + 1); 427 ieee80211_iterate_nodes(&ic->ic_scan, 428 wi_read_prism2_result, &args); 429 p2->wi_rsvd = 0; 430 p2->wi_reason = args.i; 431 wreq->wi_len = (sizeof(*p2) + 432 sizeof(struct wi_scan_res) * args.i) / 2; 433 } else 434 error = EINPROGRESS; 435 break; 436 case WI_RID_READ_CACHE: { 437 struct wi_read_sigcache_args args; 438 args.i = 0; 439 args.wsc = (struct wi_sigcache *) wreq->wi_val; 440 args.max = (void *)(wreq + 1); 441 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 442 wreq->wi_len = sizeof(struct wi_sigcache) * args.i / 2; 443 break; 444 } 445 #endif 446 default: 447 error = EINVAL; 448 break; 449 } 450 if (error == 0) { 451 wreq->wi_len++; 452 error = copyout(wreq, ifr->ifr_data, sizeof(*wreq)); 453 } 454 out: 455 free(wreq, M_TEMP); 456 return error; 457 } 458 459 static int 460 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 461 { 462 #define IEEERATE(_ic,_m,_i) \ 463 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 464 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 465 for (i = 0; i < nrates; i++) 466 if (IEEERATE(ic, mode, i) == rate) 467 return i; 468 return -1; 469 #undef IEEERATE 470 } 471 472 /* 473 * Prepare to do a user-initiated scan for AP's. If no 474 * current/default channel is setup or the current channel 475 * is invalid then pick the first available channel from 476 * the active list as the place to start the scan. 477 */ 478 static int 479 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 480 { 481 482 /* 483 * XXX don't permit a scan to be started unless we 484 * know the device is ready. For the moment this means 485 * the device is marked up as this is the required to 486 * initialize the hardware. It would be better to permit 487 * scanning prior to being up but that'll require some 488 * changes to the infrastructure. 489 */ 490 if (!IS_UP(ic)) 491 return EINVAL; 492 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 493 /* 494 * We force the state to INIT before calling ieee80211_new_state 495 * to get ieee80211_begin_scan called. We really want to scan w/o 496 * altering the current state but that's not possible right now. 497 */ 498 /* XXX handle proberequest case */ 499 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 500 return 0; 501 } 502 503 int 504 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, void *data) 505 { 506 struct ifnet *ifp = ic->ic_ifp; 507 int i, j, len, error, rate; 508 struct ifreq *ifr = (struct ifreq *)data; 509 struct wi_ltv_keys *keys; 510 struct wi_req *wreq; 511 u_int8_t chanlist[IEEE80211_CHAN_BYTES]; 512 513 wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); 514 error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); 515 if (error) 516 goto out; 517 len = wreq->wi_len ? (wreq->wi_len - 1) * 2 : 0; 518 switch (wreq->wi_type) { 519 case WI_RID_SERIALNO: 520 case WI_RID_NODENAME: 521 case WI_RID_CURRENT_SSID: 522 error = EPERM; 523 goto out; 524 case WI_RID_OWN_SSID: 525 case WI_RID_DESIRED_SSID: 526 if (le16toh(wreq->wi_val[0]) * 2 > len || 527 le16toh(wreq->wi_val[0]) > IEEE80211_NWID_LEN) { 528 error = ENOSPC; 529 break; 530 } 531 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 532 ic->ic_des_esslen = le16toh(wreq->wi_val[0]) * 2; 533 memcpy(ic->ic_des_essid, &wreq->wi_val[1], ic->ic_des_esslen); 534 error = ENETRESET; 535 break; 536 case WI_RID_CURRENT_BSSID: 537 error = EPERM; 538 goto out; 539 case WI_RID_OWN_CHNL: 540 if (len != 2) 541 goto invalid; 542 i = le16toh(wreq->wi_val[0]); 543 if (i < 0 || 544 i > IEEE80211_CHAN_MAX || 545 isclr(ic->ic_chan_active, i)) 546 goto invalid; 547 ic->ic_ibss_chan = &ic->ic_channels[i]; 548 if (ic->ic_opmode == IEEE80211_M_MONITOR) 549 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 550 else 551 error = ENETRESET; 552 break; 553 case WI_RID_CURRENT_CHAN: 554 case WI_RID_COMMS_QUALITY: 555 error = EPERM; 556 goto out; 557 case WI_RID_PROMISC: 558 if (len != 2) 559 goto invalid; 560 if (ifp->if_flags & IFF_PROMISC) { 561 if (wreq->wi_val[0] == 0) { 562 ifp->if_flags &= ~IFF_PROMISC; 563 error = ENETRESET; 564 } 565 } else { 566 if (wreq->wi_val[0] != 0) { 567 ifp->if_flags |= IFF_PROMISC; 568 error = ENETRESET; 569 } 570 } 571 break; 572 case WI_RID_PORTTYPE: 573 if (len != 2) 574 goto invalid; 575 switch (le16toh(wreq->wi_val[0])) { 576 case IEEE80211_M_STA: 577 break; 578 case IEEE80211_M_IBSS: 579 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 580 goto invalid; 581 break; 582 case IEEE80211_M_AHDEMO: 583 if (ic->ic_phytype != IEEE80211_T_DS || 584 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 585 goto invalid; 586 break; 587 case IEEE80211_M_HOSTAP: 588 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 589 goto invalid; 590 break; 591 default: 592 goto invalid; 593 } 594 if (le16toh(wreq->wi_val[0]) != ic->ic_opmode) { 595 ic->ic_opmode = le16toh(wreq->wi_val[0]); 596 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 597 } 598 break; 599 #if 0 600 case WI_RID_MAC_NODE: 601 if (len != IEEE80211_ADDR_LEN) 602 goto invalid; 603 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq->wi_val); 604 /* if_init will copy lladdr into ic_myaddr */ 605 error = ENETRESET; 606 break; 607 #endif 608 case WI_RID_TX_RATE: 609 if (len != 2) 610 goto invalid; 611 if (wreq->wi_val[0] == 0) { 612 /* auto */ 613 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 614 break; 615 } 616 rate = 2 * le16toh(wreq->wi_val[0]); 617 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 618 /* 619 * In autoselect mode search for the rate. We take 620 * the first instance which may not be right, but we 621 * are limited by the interface. Note that we also 622 * lock the mode to insure the rate is meaningful 623 * when it is used. 624 */ 625 for (j = IEEE80211_MODE_11A; 626 j < IEEE80211_MODE_MAX; j++) { 627 if ((ic->ic_modecaps & (1<<j)) == 0) 628 continue; 629 i = findrate(ic, j, rate); 630 if (i != -1) { 631 /* lock mode too */ 632 ic->ic_curmode = j; 633 goto setrate; 634 } 635 } 636 } else { 637 i = findrate(ic, ic->ic_curmode, rate); 638 if (i != -1) 639 goto setrate; 640 } 641 goto invalid; 642 setrate: 643 ic->ic_fixed_rate = i; 644 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 645 break; 646 case WI_RID_CUR_TX_RATE: 647 error = EPERM; 648 goto out; 649 case WI_RID_FRAG_THRESH: 650 if (len != 2) 651 goto invalid; 652 ic->ic_fragthreshold = le16toh(wreq->wi_val[0]); 653 error = ENETRESET; 654 break; 655 case WI_RID_RTS_THRESH: 656 if (len != 2) 657 goto invalid; 658 ic->ic_rtsthreshold = le16toh(wreq->wi_val[0]); 659 error = ENETRESET; 660 break; 661 case WI_RID_CREATE_IBSS: 662 if (len != 2) 663 goto invalid; 664 if (wreq->wi_val[0] != 0) { 665 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 666 goto invalid; 667 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 668 ic->ic_flags |= IEEE80211_F_IBSSON; 669 if (ic->ic_opmode == IEEE80211_M_IBSS && 670 ic->ic_state == IEEE80211_S_SCAN) 671 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 672 } 673 } else { 674 if (ic->ic_flags & IEEE80211_F_IBSSON) { 675 ic->ic_flags &= ~IEEE80211_F_IBSSON; 676 if (ic->ic_flags & IEEE80211_F_SIBSS) { 677 ic->ic_flags &= ~IEEE80211_F_SIBSS; 678 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 679 } 680 } 681 } 682 break; 683 case WI_RID_MICROWAVE_OVEN: 684 if (len != 2) 685 goto invalid; 686 if (wreq->wi_val[0] != 0) 687 goto invalid; /* not supported */ 688 break; 689 case WI_RID_ROAMING_MODE: 690 if (len != 2) 691 goto invalid; 692 i = le16toh(wreq->wi_val[0]); 693 if (i > IEEE80211_ROAMING_MANUAL) 694 goto invalid; /* not supported */ 695 ic->ic_roaming = i; 696 break; 697 case WI_RID_SYSTEM_SCALE: 698 if (len != 2) 699 goto invalid; 700 if (le16toh(wreq->wi_val[0]) != 1) 701 goto invalid; /* not supported */ 702 break; 703 case WI_RID_PM_ENABLED: 704 if (len != 2) 705 goto invalid; 706 if (wreq->wi_val[0] != 0) { 707 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 708 goto invalid; 709 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 710 ic->ic_flags |= IEEE80211_F_PMGTON; 711 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 712 } 713 } else { 714 if (ic->ic_flags & IEEE80211_F_PMGTON) { 715 ic->ic_flags &= ~IEEE80211_F_PMGTON; 716 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 717 } 718 } 719 break; 720 case WI_RID_MAX_SLEEP: 721 if (len != 2) 722 goto invalid; 723 ic->ic_lintval = le16toh(wreq->wi_val[0]); 724 if (ic->ic_flags & IEEE80211_F_PMGTON) 725 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 726 break; 727 case WI_RID_CUR_BEACON_INT: 728 case WI_RID_WEP_AVAIL: 729 error = EPERM; 730 goto out; 731 case WI_RID_CNFAUTHMODE: 732 if (len != 2) 733 goto invalid; 734 i = le16toh(wreq->wi_val[0]); 735 if (i > IEEE80211_AUTH_WPA) 736 goto invalid; 737 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 738 error = ENETRESET; 739 break; 740 case WI_RID_ENCRYPTION: 741 if (len != 2) 742 goto invalid; 743 if (wreq->wi_val[0] != 0) { 744 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 745 goto invalid; 746 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 747 ic->ic_flags |= IEEE80211_F_PRIVACY; 748 error = ENETRESET; 749 } 750 } else { 751 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 752 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 753 error = ENETRESET; 754 } 755 } 756 break; 757 case WI_RID_TX_CRYPT_KEY: 758 if (len != 2) 759 goto invalid; 760 i = le16toh(wreq->wi_val[0]); 761 if (i >= IEEE80211_WEP_NKID) 762 goto invalid; 763 ic->ic_def_txkey = i; 764 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 765 break; 766 case WI_RID_DEFLT_CRYPT_KEYS: 767 if (len != sizeof(struct wi_ltv_keys)) 768 goto invalid; 769 keys = (struct wi_ltv_keys *)wreq; 770 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 771 len = le16toh(keys->wi_keys[i].wi_keylen); 772 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 773 goto invalid; 774 if (len > IEEE80211_KEYBUF_SIZE) 775 goto invalid; 776 } 777 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 778 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 779 780 len = le16toh(keys->wi_keys[i].wi_keylen); 781 k->wk_keylen = len; 782 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 783 memset(k->wk_key, 0, sizeof(k->wk_key)); 784 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 785 #if 0 786 k->wk_type = IEEE80211_CIPHER_WEP; 787 #endif 788 } 789 error = ENETRESET; 790 break; 791 case WI_RID_MAX_DATALEN: 792 if (len != 2) 793 goto invalid; 794 len = le16toh(wreq->wi_val[0]); 795 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 796 goto invalid; 797 ic->ic_fragthreshold = len; 798 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 799 break; 800 case WI_RID_IFACE_STATS: 801 error = EPERM; 802 break; 803 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 804 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 805 break; 806 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 807 if (error == 0) 808 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 809 break; 810 case WI_RID_SCAN_APS: 811 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 812 break; 813 len--; /* XXX: tx rate? */ 814 /* FALLTHRU */ 815 case WI_RID_CHANNEL_LIST: 816 memset(chanlist, 0, sizeof(chanlist)); 817 /* 818 * Since channel 0 is not available for DS, channel 1 819 * is assigned to LSB on WaveLAN. 820 */ 821 if (ic->ic_phytype == IEEE80211_T_DS) 822 i = 1; 823 else 824 i = 0; 825 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 826 if ((j / 8) >= len) 827 break; 828 if (isclr((u_int8_t *)wreq->wi_val, j)) 829 continue; 830 if (isclr(ic->ic_chan_active, i)) { 831 if (wreq->wi_type != WI_RID_CHANNEL_LIST) 832 continue; 833 if (isclr(ic->ic_chan_avail, i)) { 834 error = EPERM; 835 goto out; 836 } 837 } 838 setbit(chanlist, i); 839 } 840 error = ieee80211_setupscan(ic, chanlist); 841 if (wreq->wi_type == WI_RID_CHANNEL_LIST) { 842 /* NB: ignore error from ieee80211_setupscan */ 843 error = ENETRESET; 844 } else if (error == 0) 845 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 846 break; 847 default: 848 goto invalid; 849 } 850 if (error == ENETRESET && !IS_UP_AUTO(ic)) 851 error = 0; 852 out: 853 free(wreq, M_TEMP); 854 return error; 855 invalid: 856 free(wreq, M_TEMP); 857 return EINVAL; 858 } 859 860 static int 861 cap2cipher(int flag) 862 { 863 switch (flag) { 864 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 865 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 866 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 867 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 868 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 869 } 870 return -1; 871 } 872 873 static int 874 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 875 { 876 struct ieee80211_node *ni; 877 struct ieee80211req_key ik; 878 struct ieee80211_key *wk; 879 const struct ieee80211_cipher *cip; 880 u_int kid; 881 int error; 882 883 if (ireq->i_len != sizeof(ik)) 884 return EINVAL; 885 error = copyin(ireq->i_data, &ik, sizeof(ik)); 886 if (error) 887 return error; 888 kid = ik.ik_keyix; 889 if (kid == IEEE80211_KEYIX_NONE) { 890 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 891 if (ni == NULL) 892 return EINVAL; /* XXX */ 893 wk = &ni->ni_ucastkey; 894 } else { 895 if (kid >= IEEE80211_WEP_NKID) 896 return EINVAL; 897 wk = &ic->ic_nw_keys[kid]; 898 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 899 ni = NULL; 900 } 901 cip = wk->wk_cipher; 902 ik.ik_type = cip->ic_cipher; 903 ik.ik_keylen = wk->wk_keylen; 904 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 905 if (wk->wk_keyix == ic->ic_def_txkey) 906 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 907 if (kauth_authorize_network(curlwp->l_cred, KAUTH_NETWORK_INTERFACE, 908 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ic->ic_ifp, NULL, NULL) == 0) { 909 /* NB: only root can read key data */ 910 ik.ik_keyrsc = wk->wk_keyrsc; 911 ik.ik_keytsc = wk->wk_keytsc; 912 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 913 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 914 memcpy(ik.ik_keydata+wk->wk_keylen, 915 wk->wk_key + IEEE80211_KEYBUF_SIZE, 916 IEEE80211_MICBUF_SIZE); 917 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 918 } 919 } else { 920 ik.ik_keyrsc = 0; 921 ik.ik_keytsc = 0; 922 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 923 } 924 if (ni != NULL) 925 ieee80211_free_node(ni); 926 return copyout(&ik, ireq->i_data, sizeof(ik)); 927 } 928 929 static int 930 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 931 { 932 size_t len = ireq->i_len; 933 934 if (len > sizeof(ic->ic_chan_active)) 935 len = sizeof(ic->ic_chan_active); 936 return copyout(&ic->ic_chan_active, ireq->i_data, len); 937 } 938 939 static int 940 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 941 { 942 struct ieee80211req_chaninfo *chans; 943 uint32_t i, space; 944 int error; 945 946 /* 947 * Since channel 0 is not available for DS, channel 1 948 * is assigned to LSB on WaveLAN. 949 */ 950 if (ic->ic_phytype == IEEE80211_T_DS) 951 i = 1; 952 else 953 i = 0; 954 955 chans = malloc(sizeof(*chans), M_TEMP, M_WAITOK|M_ZERO); 956 957 for (; i <= IEEE80211_CHAN_MAX; i++) 958 if (isset(ic->ic_chan_avail, i)) { 959 struct ieee80211_channel *c = &ic->ic_channels[i]; 960 chans->ic_chans[chans->ic_nchans].ic_freq = c->ic_freq; 961 chans->ic_chans[chans->ic_nchans].ic_flags = c->ic_flags; 962 chans->ic_nchans++; 963 } 964 space = offsetof(struct ieee80211req_chaninfo, 965 ic_chans[chans->ic_nchans]); 966 if (space > ireq->i_len) 967 space = ireq->i_len; 968 error = copyout(chans, ireq->i_data, space); 969 free(chans, M_TEMP); 970 return error; 971 } 972 973 static int 974 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 975 { 976 struct ieee80211_node *ni; 977 struct ieee80211req_wpaie wpaie; 978 int error; 979 980 if (ireq->i_len < IEEE80211_ADDR_LEN) 981 return EINVAL; 982 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 983 if (error != 0) 984 return error; 985 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 986 if (ni == NULL) 987 return EINVAL; /* XXX */ 988 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 989 if (ni->ni_wpa_ie != NULL) { 990 int ielen = ni->ni_wpa_ie[1] + 2; 991 if (ielen > sizeof(wpaie.wpa_ie)) 992 ielen = sizeof(wpaie.wpa_ie); 993 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 994 } 995 ieee80211_free_node(ni); 996 if (ireq->i_len > sizeof(wpaie)) 997 ireq->i_len = sizeof(wpaie); 998 return copyout(&wpaie, ireq->i_data, ireq->i_len); 999 } 1000 1001 static int 1002 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 1003 { 1004 struct ieee80211_node *ni; 1005 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 1006 const size_t off = offsetof(struct ieee80211req_sta_stats, is_stats); 1007 int error; 1008 1009 if (ireq->i_len < off) 1010 return EINVAL; 1011 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1012 if (error != 0) 1013 return error; 1014 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 1015 if (ni == NULL) 1016 return EINVAL; /* XXX */ 1017 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 1018 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 1019 /* NB: copy out only the statistics */ 1020 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 1021 ireq->i_len - off); 1022 ieee80211_free_node(ni); 1023 return error; 1024 } 1025 1026 static void 1027 get_scan_result(struct ieee80211req_scan_result *sr, 1028 const struct ieee80211_node *ni) 1029 { 1030 struct ieee80211com *ic = ni->ni_ic; 1031 u_int ielen = 0; 1032 1033 memset(sr, 0, sizeof(*sr)); 1034 sr->isr_ssid_len = ni->ni_esslen; 1035 if (ni->ni_wpa_ie != NULL) 1036 ielen += 2+ni->ni_wpa_ie[1]; 1037 if (ni->ni_wme_ie != NULL) 1038 ielen += 2+ni->ni_wme_ie[1]; 1039 1040 /* 1041 * The value sr->isr_ie_len is defined as a uint8_t, so we 1042 * need to be careful to avoid an integer overflow. If the 1043 * value would overflow, we will set isr_ie_len to zero, and 1044 * ieee80211_ioctl_getscanresults (below) will avoid copying 1045 * the (overflowing) data. 1046 */ 1047 if (ielen > 255) 1048 ielen = 0; 1049 sr->isr_ie_len = ielen; 1050 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1051 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1052 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1053 sr->isr_freq = ni->ni_chan->ic_freq; 1054 sr->isr_flags = ni->ni_chan->ic_flags; 1055 } 1056 sr->isr_rssi = ic->ic_node_getrssi(ni); 1057 sr->isr_intval = ni->ni_intval; 1058 sr->isr_capinfo = ni->ni_capinfo; 1059 sr->isr_erp = ni->ni_erp; 1060 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1061 sr->isr_nrates = ni->ni_rates.rs_nrates; 1062 if (sr->isr_nrates > 15) 1063 sr->isr_nrates = 15; 1064 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1065 } 1066 1067 static int 1068 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1069 { 1070 union { 1071 struct ieee80211req_scan_result res; 1072 char data[sizeof(struct ieee80211req_scan_result) + IEEE80211_NWID_LEN + 256 * 2]; 1073 } u; 1074 struct ieee80211req_scan_result *sr = &u.res; 1075 struct ieee80211_node_table *nt; 1076 struct ieee80211_node *ni; 1077 int error; 1078 uint32_t space; 1079 u_int8_t *p, *cp; 1080 1081 p = ireq->i_data; 1082 space = ireq->i_len; 1083 error = 0; 1084 /* XXX locking */ 1085 nt = &ic->ic_scan; 1086 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1087 /* NB: skip pre-scan node state */ 1088 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1089 continue; 1090 get_scan_result(sr, ni); 1091 if (sr->isr_len > sizeof(u)) 1092 continue; /* XXX */ 1093 if (space < sr->isr_len) 1094 break; 1095 cp = (u_int8_t *)(sr+1); 1096 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1097 cp += ni->ni_esslen; 1098 if (sr->isr_ie_len > 0 && ni->ni_wpa_ie != NULL) { 1099 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1100 cp += 2+ni->ni_wpa_ie[1]; 1101 } 1102 if (sr->isr_ie_len > 0 && ni->ni_wme_ie != NULL) { 1103 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1104 cp += 2+ni->ni_wme_ie[1]; 1105 } 1106 error = copyout(sr, p, sr->isr_len); 1107 if (error) 1108 break; 1109 p += sr->isr_len; 1110 space -= sr->isr_len; 1111 } 1112 ireq->i_len -= space; 1113 return error; 1114 } 1115 1116 struct stainforeq { 1117 struct ieee80211com *ic; 1118 struct ieee80211req_sta_info *si; 1119 size_t space; 1120 }; 1121 1122 static size_t 1123 sta_space(const struct ieee80211_node *ni, size_t *ielen) 1124 { 1125 *ielen = 0; 1126 if (ni->ni_wpa_ie != NULL) 1127 *ielen += 2+ni->ni_wpa_ie[1]; 1128 if (ni->ni_wme_ie != NULL) 1129 *ielen += 2+ni->ni_wme_ie[1]; 1130 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 1131 sizeof(u_int32_t)); 1132 } 1133 1134 static void 1135 get_sta_space(void *arg, struct ieee80211_node *ni) 1136 { 1137 struct stainforeq *req = arg; 1138 struct ieee80211com *ic = ni->ni_ic; 1139 size_t ielen; 1140 1141 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1142 ni->ni_associd == 0) /* only associated stations */ 1143 return; 1144 req->space += sta_space(ni, &ielen); 1145 } 1146 1147 static void 1148 get_sta_info(void *arg, struct ieee80211_node *ni) 1149 { 1150 struct stainforeq *req = arg; 1151 struct ieee80211com *ic = ni->ni_ic; 1152 struct ieee80211req_sta_info *si; 1153 size_t ielen, len; 1154 u_int8_t *cp; 1155 1156 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1157 ni->ni_associd == 0) /* only associated stations */ 1158 return; 1159 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 1160 return; 1161 len = sta_space(ni, &ielen); 1162 if (len > req->space) 1163 return; 1164 si = req->si; 1165 si->isi_len = len; 1166 si->isi_ie_len = ielen; 1167 si->isi_freq = ni->ni_chan->ic_freq; 1168 si->isi_flags = ni->ni_chan->ic_flags; 1169 si->isi_state = ni->ni_flags; 1170 si->isi_authmode = ni->ni_authmode; 1171 si->isi_rssi = ic->ic_node_getrssi(ni); 1172 si->isi_capinfo = ni->ni_capinfo; 1173 si->isi_erp = ni->ni_erp; 1174 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1175 si->isi_nrates = ni->ni_rates.rs_nrates; 1176 if (si->isi_nrates > 15) 1177 si->isi_nrates = 15; 1178 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1179 si->isi_txrate = ni->ni_txrate; 1180 si->isi_associd = ni->ni_associd; 1181 si->isi_txpower = ni->ni_txpower; 1182 si->isi_vlan = ni->ni_vlan; 1183 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1184 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1185 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1186 } else { 1187 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1188 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1189 } 1190 /* NB: leave all cases in case we relax ni_associd == 0 check */ 1191 if (ieee80211_node_is_authorized(ni)) 1192 si->isi_inact = ic->ic_inact_run; 1193 else if (ni->ni_associd != 0) 1194 si->isi_inact = ic->ic_inact_auth; 1195 else 1196 si->isi_inact = ic->ic_inact_init; 1197 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1198 1199 cp = (u_int8_t *)(si+1); 1200 if (ni->ni_wpa_ie != NULL) { 1201 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1202 cp += 2+ni->ni_wpa_ie[1]; 1203 } 1204 if (ni->ni_wme_ie != NULL) { 1205 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1206 cp += 2+ni->ni_wme_ie[1]; 1207 } 1208 1209 req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len); 1210 req->space -= len; 1211 } 1212 1213 static int 1214 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1215 { 1216 struct stainforeq req; 1217 int error; 1218 1219 if (ireq->i_len < sizeof(struct stainforeq)) 1220 return EFAULT; 1221 1222 error = 0; 1223 req.space = 0; 1224 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 1225 if (req.space > ireq->i_len) 1226 req.space = ireq->i_len; 1227 if (req.space > 0) { 1228 size_t space; 1229 void *p; 1230 1231 space = req.space; 1232 /* XXX M_WAITOK after driver lock released */ 1233 p = malloc(space, M_TEMP, M_NOWAIT); 1234 if (p == NULL) 1235 return ENOMEM; 1236 req.si = p; 1237 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 1238 ireq->i_len = space - req.space; 1239 error = copyout(p, ireq->i_data, ireq->i_len); 1240 free(p, M_TEMP); 1241 } else 1242 ireq->i_len = 0; 1243 1244 return error; 1245 } 1246 1247 static int 1248 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1249 { 1250 struct ieee80211_node *ni; 1251 struct ieee80211req_sta_txpow txpow; 1252 int error; 1253 1254 if (ireq->i_len != sizeof(txpow)) 1255 return EINVAL; 1256 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1257 if (error != 0) 1258 return error; 1259 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1260 if (ni == NULL) 1261 return EINVAL; /* XXX */ 1262 txpow.it_txpow = ni->ni_txpower; 1263 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1264 ieee80211_free_node(ni); 1265 return error; 1266 } 1267 1268 static int 1269 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1270 { 1271 struct ieee80211_wme_state *wme = &ic->ic_wme; 1272 struct wmeParams *wmep; 1273 int ac; 1274 1275 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1276 return EINVAL; 1277 1278 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1279 if (ac >= WME_NUM_AC) 1280 ac = WME_AC_BE; 1281 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1282 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1283 else 1284 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1285 switch (ireq->i_type) { 1286 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1287 ireq->i_val = wmep->wmep_logcwmin; 1288 break; 1289 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1290 ireq->i_val = wmep->wmep_logcwmax; 1291 break; 1292 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1293 ireq->i_val = wmep->wmep_aifsn; 1294 break; 1295 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1296 ireq->i_val = wmep->wmep_txopLimit; 1297 break; 1298 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1299 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1300 ireq->i_val = wmep->wmep_acm; 1301 break; 1302 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1303 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1304 ireq->i_val = !wmep->wmep_noackPolicy; 1305 break; 1306 } 1307 return 0; 1308 } 1309 1310 static int 1311 ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1312 { 1313 const struct ieee80211_aclator *acl = ic->ic_acl; 1314 1315 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); 1316 } 1317 1318 #if defined(COMPAT_FREEBSD_NET80211) 1319 static int 1320 ieee80211_ioctl_get80211_fbsd(struct ieee80211com *ic, u_long cmd, 1321 struct ieee80211req *ireq) 1322 { 1323 u_int kid, len; 1324 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1325 char tmpssid[IEEE80211_NWID_LEN]; 1326 struct ifnet *ifp = ic->ic_ifp; 1327 1328 int error = 0; 1329 1330 switch (ireq->i_type) { 1331 case IEEE80211_IOC_SSID: 1332 switch (ic->ic_state) { 1333 case IEEE80211_S_INIT: 1334 case IEEE80211_S_SCAN: 1335 ireq->i_len = ic->ic_des_esslen; 1336 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1337 break; 1338 default: 1339 ireq->i_len = ic->ic_bss->ni_esslen; 1340 memcpy(tmpssid, ic->ic_bss->ni_essid, 1341 ireq->i_len); 1342 break; 1343 } 1344 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1345 break; 1346 case IEEE80211_IOC_NUMSSIDS: 1347 ireq->i_val = 1; 1348 break; 1349 case IEEE80211_IOC_WEP: 1350 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1351 ireq->i_val = IEEE80211_WEP_OFF; 1352 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1353 ireq->i_val = IEEE80211_WEP_ON; 1354 else 1355 ireq->i_val = IEEE80211_WEP_MIXED; 1356 break; 1357 case IEEE80211_IOC_WEPKEY: 1358 kid = (u_int) ireq->i_val; 1359 if (kid >= IEEE80211_WEP_NKID) 1360 return EINVAL; 1361 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1362 /* NB: only root can read WEP keys */ 1363 if (kauth_authorize_network(curlwp->l_cred, 1364 KAUTH_NETWORK_INTERFACE, 1365 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, NULL, 1366 NULL) == 0) { 1367 memcpy(tmpkey, ic->ic_nw_keys[kid].wk_key, len); 1368 } else { 1369 memset(tmpkey, 0, len); 1370 } 1371 ireq->i_len = len; 1372 error = copyout(tmpkey, ireq->i_data, len); 1373 break; 1374 case IEEE80211_IOC_NUMWEPKEYS: 1375 ireq->i_val = IEEE80211_WEP_NKID; 1376 break; 1377 case IEEE80211_IOC_WEPTXKEY: 1378 ireq->i_val = ic->ic_def_txkey; 1379 break; 1380 case IEEE80211_IOC_CHANNEL: 1381 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 1382 break; 1383 case IEEE80211_IOC_POWERSAVE: 1384 if (ic->ic_flags & IEEE80211_F_PMGTON) 1385 ireq->i_val = IEEE80211_POWERSAVE_ON; 1386 else 1387 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1388 break; 1389 case IEEE80211_IOC_POWERSAVESLEEP: 1390 ireq->i_val = ic->ic_lintval; 1391 break; 1392 case IEEE80211_IOC_BSSID: 1393 if (ireq->i_len != IEEE80211_ADDR_LEN) 1394 return EINVAL; 1395 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1396 ic->ic_bss->ni_bssid : 1397 ic->ic_des_bssid, 1398 ireq->i_data, ireq->i_len); 1399 break; 1400 default: 1401 error = EINVAL; 1402 break; 1403 } 1404 return error; 1405 } 1406 #endif /* COMPAT_FREEBSD_NET80211 */ 1407 1408 /* 1409 * When building the kernel with -O2 on the i386 architecture, gcc 1410 * seems to want to inline this function into ieee80211_ioctl() 1411 * (which is the only routine that calls it). When this happens, 1412 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1413 * space. (Exactly why it needs so much is unclear.) The problem 1414 * is that it's possible for ieee80211_ioctl() to invoke other 1415 * routines (including driver init functions) which could then find 1416 * themselves perilously close to exhausting the stack. 1417 * 1418 * To avoid this, we deliberately prevent gcc from inlining this 1419 * routine. Another way to avoid this is to use less agressive 1420 * optimization when compiling this file (i.e. -O instead of -O2) 1421 * but special-casing the compilation of this one module in the 1422 * build system would be awkward. 1423 */ 1424 #ifdef __GNUC__ 1425 __attribute__ ((__noinline__)) 1426 #endif 1427 static int 1428 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, 1429 struct ieee80211req *ireq) 1430 { 1431 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1432 int error = 0; 1433 u_int m; 1434 1435 switch (ireq->i_type) { 1436 case IEEE80211_IOC_AUTHMODE: 1437 if (ic->ic_flags & IEEE80211_F_WPA) 1438 ireq->i_val = IEEE80211_AUTH_WPA; 1439 else 1440 ireq->i_val = ic->ic_bss->ni_authmode; 1441 break; 1442 case IEEE80211_IOC_RTSTHRESHOLD: 1443 ireq->i_val = ic->ic_rtsthreshold; 1444 break; 1445 case IEEE80211_IOC_PROTMODE: 1446 ireq->i_val = ic->ic_protmode; 1447 break; 1448 case IEEE80211_IOC_TXPOWER: 1449 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1450 return EINVAL; 1451 ireq->i_val = ic->ic_txpowlimit; 1452 break; 1453 case IEEE80211_IOC_MCASTCIPHER: 1454 ireq->i_val = rsn->rsn_mcastcipher; 1455 break; 1456 case IEEE80211_IOC_MCASTKEYLEN: 1457 ireq->i_val = rsn->rsn_mcastkeylen; 1458 break; 1459 case IEEE80211_IOC_UCASTCIPHERS: 1460 ireq->i_val = 0; 1461 for (m = 0x1; m != 0; m <<= 1) 1462 if (rsn->rsn_ucastcipherset & m) 1463 ireq->i_val |= 1<<cap2cipher(m); 1464 break; 1465 case IEEE80211_IOC_UCASTCIPHER: 1466 ireq->i_val = rsn->rsn_ucastcipher; 1467 break; 1468 case IEEE80211_IOC_UCASTKEYLEN: 1469 ireq->i_val = rsn->rsn_ucastkeylen; 1470 break; 1471 case IEEE80211_IOC_KEYMGTALGS: 1472 ireq->i_val = rsn->rsn_keymgmtset; 1473 break; 1474 case IEEE80211_IOC_RSNCAPS: 1475 ireq->i_val = rsn->rsn_caps; 1476 break; 1477 case IEEE80211_IOC_WPA: 1478 switch (ic->ic_flags & IEEE80211_F_WPA) { 1479 case IEEE80211_F_WPA1: 1480 ireq->i_val = 1; 1481 break; 1482 case IEEE80211_F_WPA2: 1483 ireq->i_val = 2; 1484 break; 1485 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1486 ireq->i_val = 3; 1487 break; 1488 default: 1489 ireq->i_val = 0; 1490 break; 1491 } 1492 break; 1493 case IEEE80211_IOC_CHANLIST: 1494 error = ieee80211_ioctl_getchanlist(ic, ireq); 1495 break; 1496 case IEEE80211_IOC_ROAMING: 1497 ireq->i_val = ic->ic_roaming; 1498 break; 1499 case IEEE80211_IOC_PRIVACY: 1500 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1501 break; 1502 case IEEE80211_IOC_DROPUNENCRYPTED: 1503 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1504 break; 1505 case IEEE80211_IOC_COUNTERMEASURES: 1506 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1507 break; 1508 case IEEE80211_IOC_DRIVER_CAPS: 1509 ireq->i_val = ic->ic_caps>>16; 1510 ireq->i_len = ic->ic_caps&0xffff; 1511 break; 1512 case IEEE80211_IOC_WME: 1513 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1514 break; 1515 case IEEE80211_IOC_HIDESSID: 1516 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1517 break; 1518 case IEEE80211_IOC_APBRIDGE: 1519 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1520 break; 1521 case IEEE80211_IOC_OPTIE: 1522 if (ic->ic_opt_ie == NULL) 1523 return EINVAL; 1524 /* NB: truncate, caller can check length */ 1525 if (ireq->i_len > ic->ic_opt_ie_len) 1526 ireq->i_len = ic->ic_opt_ie_len; 1527 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1528 break; 1529 case IEEE80211_IOC_WPAKEY: 1530 error = ieee80211_ioctl_getkey(ic, ireq); 1531 break; 1532 case IEEE80211_IOC_CHANINFO: 1533 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1534 break; 1535 case IEEE80211_IOC_WPAIE: 1536 error = ieee80211_ioctl_getwpaie(ic, ireq); 1537 break; 1538 case IEEE80211_IOC_SCAN_RESULTS: 1539 error = ieee80211_ioctl_getscanresults(ic, ireq); 1540 break; 1541 case IEEE80211_IOC_STA_STATS: 1542 error = ieee80211_ioctl_getstastats(ic, ireq); 1543 break; 1544 case IEEE80211_IOC_TXPOWMAX: 1545 ireq->i_val = ic->ic_bss->ni_txpower; 1546 break; 1547 case IEEE80211_IOC_STA_TXPOW: 1548 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1549 break; 1550 case IEEE80211_IOC_STA_INFO: 1551 error = ieee80211_ioctl_getstainfo(ic, ireq); 1552 break; 1553 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1554 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1555 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1556 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1557 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1558 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1559 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1560 break; 1561 case IEEE80211_IOC_DTIM_PERIOD: 1562 ireq->i_val = ic->ic_dtim_period; 1563 break; 1564 case IEEE80211_IOC_BEACON_INTERVAL: 1565 /* NB: get from ic_bss for station mode */ 1566 ireq->i_val = ic->ic_bss->ni_intval; 1567 break; 1568 case IEEE80211_IOC_PUREG: 1569 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1570 break; 1571 case IEEE80211_IOC_MCAST_RATE: 1572 ireq->i_val = ic->ic_mcast_rate; 1573 break; 1574 case IEEE80211_IOC_FRAGTHRESHOLD: 1575 ireq->i_val = ic->ic_fragthreshold; 1576 break; 1577 case IEEE80211_IOC_MACCMD: 1578 error = ieee80211_ioctl_getmaccmd(ic, ireq); 1579 break; 1580 default: 1581 #if defined(COMPAT_FREEBSD_NET80211) 1582 error = ieee80211_ioctl_get80211_fbsd(ic, cmd, ireq); 1583 #else 1584 error = EINVAL; 1585 #endif /* COMPAT_FREEBSD_NET80211 */ 1586 break; 1587 } 1588 return error; 1589 } 1590 1591 static int 1592 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1593 { 1594 int error; 1595 void *ie; 1596 1597 /* 1598 * NB: Doing this for ap operation could be useful (e.g. for 1599 * WPA and/or WME) except that it typically is worthless 1600 * without being able to intervene when processing 1601 * association response frames--so disallow it for now. 1602 */ 1603 if (ic->ic_opmode != IEEE80211_M_STA) 1604 return EINVAL; 1605 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1606 return EINVAL; 1607 /* NB: data.length is validated by the wireless extensions code */ 1608 ie = malloc(ireq->i_len, M_DEVBUF, M_WAITOK); 1609 if (ie == NULL) 1610 return ENOMEM; 1611 error = copyin(ireq->i_data, ie, ireq->i_len); 1612 /* XXX sanity check data? */ 1613 if (ic->ic_opt_ie != NULL) 1614 free(ic->ic_opt_ie, M_DEVBUF); 1615 ic->ic_opt_ie = ie; 1616 ic->ic_opt_ie_len = ireq->i_len; 1617 return error; 1618 } 1619 1620 static int 1621 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1622 { 1623 struct ieee80211req_key ik; 1624 struct ieee80211_node *ni; 1625 struct ieee80211_key *wk; 1626 u_int16_t kid; 1627 int error; 1628 1629 if (ireq->i_len != sizeof(ik)) 1630 return EINVAL; 1631 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1632 if (error) 1633 return error; 1634 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1635 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1636 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1637 return E2BIG; 1638 kid = ik.ik_keyix; 1639 if (kid == IEEE80211_KEYIX_NONE) { 1640 /* XXX unicast keys currently must be tx/rx */ 1641 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1642 return EINVAL; 1643 if (ic->ic_opmode == IEEE80211_M_STA) { 1644 ni = ieee80211_ref_node(ic->ic_bss); 1645 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1646 ieee80211_free_node(ni); 1647 return EADDRNOTAVAIL; 1648 } 1649 } else { 1650 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1651 if (ni == NULL) 1652 return ENOENT; 1653 } 1654 wk = &ni->ni_ucastkey; 1655 } else { 1656 if (kid >= IEEE80211_WEP_NKID) 1657 return EINVAL; 1658 wk = &ic->ic_nw_keys[kid]; 1659 ni = NULL; 1660 } 1661 error = 0; 1662 ieee80211_key_update_begin(ic); 1663 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1664 wk->wk_keylen = ik.ik_keylen; 1665 /* NB: MIC presence is implied by cipher type */ 1666 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1667 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1668 wk->wk_keyrsc = ik.ik_keyrsc; 1669 wk->wk_keytsc = 0; /* new key, reset */ 1670 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1671 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1672 if (!ieee80211_crypto_setkey(ic, wk, 1673 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1674 error = EIO; 1675 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1676 ic->ic_def_txkey = kid; 1677 } else 1678 error = ENXIO; 1679 ieee80211_key_update_end(ic); 1680 if (ni != NULL) 1681 ieee80211_free_node(ni); 1682 return error; 1683 } 1684 1685 static int 1686 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1687 { 1688 struct ieee80211req_del_key dk; 1689 int kid, error; 1690 1691 if (ireq->i_len != sizeof(dk)) 1692 return EINVAL; 1693 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1694 if (error) 1695 return error; 1696 kid = dk.idk_keyix; 1697 /* XXX u_int8_t -> u_int16_t */ 1698 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1699 struct ieee80211_node *ni; 1700 1701 if (ic->ic_opmode == IEEE80211_M_STA) { 1702 ni = ieee80211_ref_node(ic->ic_bss); 1703 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1704 ieee80211_free_node(ni); 1705 return EADDRNOTAVAIL; 1706 } 1707 } else { 1708 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1709 if (ni == NULL) 1710 return ENOENT; 1711 } 1712 /* XXX error return */ 1713 ieee80211_node_delucastkey(ni); 1714 ieee80211_free_node(ni); 1715 } else { 1716 if (kid >= IEEE80211_WEP_NKID) 1717 return EINVAL; 1718 /* XXX error return */ 1719 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1720 } 1721 return 0; 1722 } 1723 1724 #ifndef IEEE80211_NO_HOSTAP 1725 static void 1726 domlme(void *arg, struct ieee80211_node *ni) 1727 { 1728 struct ieee80211com *ic = ni->ni_ic; 1729 struct ieee80211req_mlme *mlme = arg; 1730 1731 if (ni->ni_associd != 0) { 1732 IEEE80211_SEND_MGMT(ic, ni, 1733 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1734 IEEE80211_FC0_SUBTYPE_DEAUTH : 1735 IEEE80211_FC0_SUBTYPE_DISASSOC, 1736 mlme->im_reason); 1737 } 1738 ieee80211_node_leave(ic, ni); 1739 } 1740 #endif /* !IEEE80211_NO_HOSTAP */ 1741 1742 static int 1743 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1744 { 1745 struct ieee80211req_mlme mlme; 1746 struct ieee80211_node *ni; 1747 int error; 1748 1749 if (ireq->i_len != sizeof(mlme)) 1750 return EINVAL; 1751 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1752 if (error) 1753 return error; 1754 switch (mlme.im_op) { 1755 case IEEE80211_MLME_ASSOC: 1756 if (ic->ic_opmode != IEEE80211_M_STA) 1757 return EINVAL; 1758 /* XXX must be in S_SCAN state? */ 1759 1760 if (mlme.im_ssid_len != 0) { 1761 /* 1762 * Desired ssid specified; must match both bssid and 1763 * ssid to distinguish ap advertising multiple ssid's. 1764 */ 1765 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1766 mlme.im_macaddr, 1767 mlme.im_ssid_len, mlme.im_ssid); 1768 } else { 1769 /* 1770 * Normal case; just match bssid. 1771 */ 1772 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1773 } 1774 if (ni == NULL) 1775 return EINVAL; 1776 if (!ieee80211_sta_join(ic, ni)) { 1777 ieee80211_free_node(ni); 1778 return EINVAL; 1779 } 1780 break; 1781 case IEEE80211_MLME_DISASSOC: 1782 case IEEE80211_MLME_DEAUTH: 1783 switch (ic->ic_opmode) { 1784 case IEEE80211_M_STA: 1785 /* XXX not quite right */ 1786 ieee80211_new_state(ic, IEEE80211_S_INIT, 1787 mlme.im_reason); 1788 break; 1789 case IEEE80211_M_HOSTAP: 1790 #ifndef IEEE80211_NO_HOSTAP 1791 /* NB: the broadcast address means do 'em all */ 1792 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1793 if ((ni = ieee80211_find_node(&ic->ic_sta, 1794 mlme.im_macaddr)) == NULL) 1795 return EINVAL; 1796 domlme(&mlme, ni); 1797 ieee80211_free_node(ni); 1798 } else { 1799 ieee80211_iterate_nodes(&ic->ic_sta, 1800 domlme, &mlme); 1801 } 1802 #endif /* !IEEE80211_NO_HOSTAP */ 1803 break; 1804 default: 1805 return EINVAL; 1806 } 1807 break; 1808 case IEEE80211_MLME_AUTHORIZE: 1809 case IEEE80211_MLME_UNAUTHORIZE: 1810 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1811 return EINVAL; 1812 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1813 if (ni == NULL) 1814 return EINVAL; 1815 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1816 ieee80211_node_authorize(ni); 1817 else 1818 ieee80211_node_unauthorize(ni); 1819 ieee80211_free_node(ni); 1820 break; 1821 default: 1822 return EINVAL; 1823 } 1824 return 0; 1825 } 1826 1827 static int 1828 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1829 { 1830 u_int8_t mac[IEEE80211_ADDR_LEN]; 1831 const struct ieee80211_aclator *acl = ic->ic_acl; 1832 int error; 1833 1834 if (ireq->i_len != sizeof(mac)) 1835 return EINVAL; 1836 error = copyin(ireq->i_data, mac, ireq->i_len); 1837 if (error) 1838 return error; 1839 if (acl == NULL) { 1840 acl = ieee80211_aclator_get("mac"); 1841 if (acl == NULL || !acl->iac_attach(ic)) 1842 return EINVAL; 1843 ic->ic_acl = acl; 1844 } 1845 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1846 acl->iac_add(ic, mac); 1847 else 1848 acl->iac_remove(ic, mac); 1849 return 0; 1850 } 1851 1852 static int 1853 ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1854 { 1855 const struct ieee80211_aclator *acl = ic->ic_acl; 1856 1857 switch (ireq->i_val) { 1858 case IEEE80211_MACCMD_POLICY_OPEN: 1859 case IEEE80211_MACCMD_POLICY_ALLOW: 1860 case IEEE80211_MACCMD_POLICY_DENY: 1861 if (acl == NULL) { 1862 acl = ieee80211_aclator_get("mac"); 1863 if (acl == NULL || !acl->iac_attach(ic)) 1864 return EINVAL; 1865 ic->ic_acl = acl; 1866 } 1867 acl->iac_setpolicy(ic, ireq->i_val); 1868 break; 1869 case IEEE80211_MACCMD_FLUSH: 1870 if (acl != NULL) 1871 acl->iac_flush(ic); 1872 /* NB: silently ignore when not in use */ 1873 break; 1874 case IEEE80211_MACCMD_DETACH: 1875 if (acl != NULL) { 1876 ic->ic_acl = NULL; 1877 acl->iac_detach(ic); 1878 } 1879 break; 1880 default: 1881 if (acl == NULL) 1882 return EINVAL; 1883 else 1884 return acl->iac_setioctl(ic, ireq); 1885 } 1886 return 0; 1887 } 1888 1889 static int 1890 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1891 { 1892 struct ieee80211req_chanlist list; 1893 u_int8_t chanlist[IEEE80211_CHAN_BYTES]; 1894 int i, j, error; 1895 1896 if (ireq->i_len != sizeof(list)) 1897 return EINVAL; 1898 error = copyin(ireq->i_data, &list, sizeof(list)); 1899 if (error) 1900 return error; 1901 memset(chanlist, 0, sizeof(chanlist)); 1902 /* 1903 * Since channel 0 is not available for DS, channel 1 1904 * is assigned to LSB on WaveLAN. 1905 */ 1906 if (ic->ic_phytype == IEEE80211_T_DS) 1907 i = 1; 1908 else 1909 i = 0; 1910 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1911 /* 1912 * NB: silently discard unavailable channels so users 1913 * can specify 1-255 to get all available channels. 1914 */ 1915 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1916 setbit(chanlist, i); 1917 } 1918 if (ic->ic_ibss_chan == NULL || 1919 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1920 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1921 if (isset(chanlist, i)) { 1922 ic->ic_ibss_chan = &ic->ic_channels[i]; 1923 goto found; 1924 } 1925 return EINVAL; /* no active channels */ 1926 found: 1927 ; 1928 } 1929 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1930 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1931 } 1932 1933 static int 1934 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1935 { 1936 struct ieee80211_node *ni; 1937 struct ieee80211req_sta_txpow txpow; 1938 int error; 1939 1940 if (ireq->i_len != sizeof(txpow)) 1941 return EINVAL; 1942 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1943 if (error != 0) 1944 return error; 1945 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1946 if (ni == NULL) 1947 return EINVAL; /* XXX */ 1948 ni->ni_txpower = txpow.it_txpow; 1949 ieee80211_free_node(ni); 1950 return error; 1951 } 1952 1953 static int 1954 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1955 { 1956 struct ieee80211_wme_state *wme = &ic->ic_wme; 1957 struct wmeParams *wmep, *chanp; 1958 int isbss, ac; 1959 1960 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1961 return EINVAL; 1962 1963 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1964 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1965 if (ac >= WME_NUM_AC) 1966 ac = WME_AC_BE; 1967 if (isbss) { 1968 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1969 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1970 } else { 1971 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1972 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1973 } 1974 switch (ireq->i_type) { 1975 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1976 if (isbss) { 1977 wmep->wmep_logcwmin = ireq->i_val; 1978 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1979 chanp->wmep_logcwmin = ireq->i_val; 1980 } else { 1981 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1982 ireq->i_val; 1983 } 1984 break; 1985 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1986 if (isbss) { 1987 wmep->wmep_logcwmax = ireq->i_val; 1988 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1989 chanp->wmep_logcwmax = ireq->i_val; 1990 } else { 1991 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1992 ireq->i_val; 1993 } 1994 break; 1995 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1996 if (isbss) { 1997 wmep->wmep_aifsn = ireq->i_val; 1998 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1999 chanp->wmep_aifsn = ireq->i_val; 2000 } else { 2001 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 2002 } 2003 break; 2004 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2005 if (isbss) { 2006 wmep->wmep_txopLimit = ireq->i_val; 2007 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 2008 chanp->wmep_txopLimit = ireq->i_val; 2009 } else { 2010 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 2011 ireq->i_val; 2012 } 2013 break; 2014 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2015 wmep->wmep_acm = ireq->i_val; 2016 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 2017 chanp->wmep_acm = ireq->i_val; 2018 break; 2019 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 2020 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 2021 (ireq->i_val) == 0; 2022 break; 2023 } 2024 ieee80211_wme_updateparams(ic); 2025 return 0; 2026 } 2027 2028 static int 2029 cipher2cap(int cipher) 2030 { 2031 switch (cipher) { 2032 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 2033 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 2034 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 2035 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 2036 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 2037 } 2038 return 0; 2039 } 2040 2041 static int 2042 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, 2043 struct ieee80211req *ireq) 2044 { 2045 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2046 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 2047 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2048 char tmpssid[IEEE80211_NWID_LEN]; 2049 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 2050 struct ieee80211_key *k; 2051 u_int kid; 2052 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2053 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 2054 int error; 2055 const struct ieee80211_authenticator *auth; 2056 int j, caps; 2057 2058 error = 0; 2059 switch (ireq->i_type) { 2060 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2061 case IEEE80211_IOC_SSID: 2062 if (ireq->i_val != 0 || 2063 ireq->i_len > IEEE80211_NWID_LEN) 2064 return EINVAL; 2065 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2066 if (error) 2067 break; 2068 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2069 ic->ic_des_esslen = ireq->i_len; 2070 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 2071 error = ENETRESET; 2072 break; 2073 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2074 case IEEE80211_IOC_WEP: 2075 switch (ireq->i_val) { 2076 case IEEE80211_WEP_OFF: 2077 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2078 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2079 break; 2080 case IEEE80211_WEP_ON: 2081 ic->ic_flags |= IEEE80211_F_PRIVACY; 2082 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2083 break; 2084 case IEEE80211_WEP_MIXED: 2085 ic->ic_flags |= IEEE80211_F_PRIVACY; 2086 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2087 break; 2088 } 2089 error = ENETRESET; 2090 break; 2091 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2092 case IEEE80211_IOC_WEPKEY: 2093 kid = (u_int) ireq->i_val; 2094 if (kid >= IEEE80211_WEP_NKID) 2095 return EINVAL; 2096 k = &ic->ic_nw_keys[kid]; 2097 if (ireq->i_len == 0) { 2098 /* zero-len =>'s delete any existing key */ 2099 (void) ieee80211_crypto_delkey(ic, k); 2100 break; 2101 } 2102 if (ireq->i_len > sizeof(tmpkey)) 2103 return EINVAL; 2104 memset(tmpkey, 0, sizeof(tmpkey)); 2105 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2106 if (error) 2107 break; 2108 ieee80211_key_update_begin(ic); 2109 k->wk_keyix = kid; /* NB: force fixed key id */ 2110 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2111 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2112 k->wk_keylen = ireq->i_len; 2113 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2114 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2115 error = EINVAL; 2116 } else 2117 error = EINVAL; 2118 ieee80211_key_update_end(ic); 2119 if (!error) /* NB: for compatibility */ 2120 error = ENETRESET; 2121 break; 2122 case IEEE80211_IOC_WEPTXKEY: 2123 kid = (u_int) ireq->i_val; 2124 if (kid >= IEEE80211_WEP_NKID && 2125 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 2126 return EINVAL; 2127 ic->ic_def_txkey = kid; 2128 error = ENETRESET; /* push to hardware */ 2129 break; 2130 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2131 case IEEE80211_IOC_AUTHMODE: 2132 switch (ireq->i_val) { 2133 case IEEE80211_AUTH_WPA: 2134 case IEEE80211_AUTH_8021X: /* 802.1x */ 2135 case IEEE80211_AUTH_OPEN: /* open */ 2136 case IEEE80211_AUTH_SHARED: /* shared-key */ 2137 case IEEE80211_AUTH_AUTO: /* auto */ 2138 auth = ieee80211_authenticator_get(ireq->i_val); 2139 if (auth == NULL) 2140 return EINVAL; 2141 break; 2142 default: 2143 return EINVAL; 2144 } 2145 switch (ireq->i_val) { 2146 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2147 ic->ic_flags |= IEEE80211_F_PRIVACY; 2148 ireq->i_val = IEEE80211_AUTH_8021X; 2149 break; 2150 case IEEE80211_AUTH_OPEN: /* open */ 2151 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2152 break; 2153 case IEEE80211_AUTH_SHARED: /* shared-key */ 2154 case IEEE80211_AUTH_8021X: /* 802.1x */ 2155 ic->ic_flags &= ~IEEE80211_F_WPA; 2156 /* both require a key so mark the PRIVACY capability */ 2157 ic->ic_flags |= IEEE80211_F_PRIVACY; 2158 break; 2159 case IEEE80211_AUTH_AUTO: /* auto */ 2160 ic->ic_flags &= ~IEEE80211_F_WPA; 2161 /* XXX PRIVACY handling? */ 2162 /* XXX what's the right way to do this? */ 2163 break; 2164 } 2165 /* NB: authenticator attach/detach happens on state change */ 2166 ic->ic_bss->ni_authmode = ireq->i_val; 2167 /* XXX mixed/mode/usage? */ 2168 ic->ic_auth = auth; 2169 error = ENETRESET; 2170 break; 2171 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2172 case IEEE80211_IOC_CHANNEL: 2173 /* XXX 0xffff overflows 16-bit signed */ 2174 if (ireq->i_val == 0 || 2175 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2176 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2177 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2178 isclr(ic->ic_chan_active, ireq->i_val)) { 2179 return EINVAL; 2180 } else 2181 ic->ic_ibss_chan = ic->ic_des_chan = 2182 &ic->ic_channels[ireq->i_val]; 2183 switch (ic->ic_state) { 2184 case IEEE80211_S_INIT: 2185 case IEEE80211_S_SCAN: 2186 error = ENETRESET; 2187 break; 2188 default: 2189 /* 2190 * If the desired channel has changed (to something 2191 * other than any) and we're not already scanning, 2192 * then kick the state machine. 2193 */ 2194 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2195 ic->ic_bss->ni_chan != ic->ic_des_chan && 2196 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2197 error = ENETRESET; 2198 break; 2199 } 2200 if (error == ENETRESET && 2201 ic->ic_opmode == IEEE80211_M_MONITOR) { 2202 if (IS_UP(ic)) { 2203 /* 2204 * Monitor mode can switch directly. 2205 */ 2206 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 2207 ic->ic_curchan = ic->ic_des_chan; 2208 error = ic->ic_reset(ic->ic_ifp); 2209 } else 2210 error = 0; 2211 } 2212 break; 2213 case IEEE80211_IOC_POWERSAVE: 2214 switch (ireq->i_val) { 2215 case IEEE80211_POWERSAVE_OFF: 2216 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2217 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2218 error = ENETRESET; 2219 } 2220 break; 2221 case IEEE80211_POWERSAVE_ON: 2222 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2223 error = EINVAL; 2224 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2225 ic->ic_flags |= IEEE80211_F_PMGTON; 2226 error = ENETRESET; 2227 } 2228 break; 2229 default: 2230 error = EINVAL; 2231 break; 2232 } 2233 break; 2234 case IEEE80211_IOC_POWERSAVESLEEP: 2235 if (ireq->i_val < 0) 2236 return EINVAL; 2237 ic->ic_lintval = ireq->i_val; 2238 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2239 break; 2240 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2241 case IEEE80211_IOC_RTSTHRESHOLD: 2242 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2243 ireq->i_val <= IEEE80211_RTS_MAX)) 2244 return EINVAL; 2245 ic->ic_rtsthreshold = ireq->i_val; 2246 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2247 break; 2248 case IEEE80211_IOC_PROTMODE: 2249 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2250 return EINVAL; 2251 ic->ic_protmode = ireq->i_val; 2252 /* NB: if not operating in 11g this can wait */ 2253 if (ic->ic_curmode == IEEE80211_MODE_11G) 2254 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2255 break; 2256 case IEEE80211_IOC_TXPOWER: 2257 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2258 return EINVAL; 2259 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2260 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2261 return EINVAL; 2262 ic->ic_txpowlimit = ireq->i_val; 2263 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2264 break; 2265 case IEEE80211_IOC_ROAMING: 2266 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2267 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2268 return EINVAL; 2269 ic->ic_roaming = ireq->i_val; 2270 /* XXXX reset? */ 2271 break; 2272 case IEEE80211_IOC_PRIVACY: 2273 if (ireq->i_val) { 2274 /* XXX check for key state? */ 2275 ic->ic_flags |= IEEE80211_F_PRIVACY; 2276 } else 2277 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2278 break; 2279 case IEEE80211_IOC_DROPUNENCRYPTED: 2280 if (ireq->i_val) 2281 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2282 else 2283 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2284 break; 2285 case IEEE80211_IOC_WPAKEY: 2286 error = ieee80211_ioctl_setkey(ic, ireq); 2287 break; 2288 case IEEE80211_IOC_DELKEY: 2289 error = ieee80211_ioctl_delkey(ic, ireq); 2290 break; 2291 case IEEE80211_IOC_MLME: 2292 error = ieee80211_ioctl_setmlme(ic, ireq); 2293 break; 2294 case IEEE80211_IOC_OPTIE: 2295 error = ieee80211_ioctl_setoptie(ic, ireq); 2296 break; 2297 case IEEE80211_IOC_COUNTERMEASURES: 2298 if (ireq->i_val) { 2299 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2300 return EINVAL; 2301 ic->ic_flags |= IEEE80211_F_COUNTERM; 2302 } else 2303 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2304 break; 2305 case IEEE80211_IOC_WPA: 2306 if (ireq->i_val > 3) 2307 return EINVAL; 2308 /* XXX verify ciphers available */ 2309 ic->ic_flags &= ~IEEE80211_F_WPA; 2310 switch (ireq->i_val) { 2311 case 1: 2312 ic->ic_flags |= IEEE80211_F_WPA1; 2313 break; 2314 case 2: 2315 ic->ic_flags |= IEEE80211_F_WPA2; 2316 break; 2317 case 3: 2318 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2319 break; 2320 } 2321 error = ENETRESET; /* XXX? */ 2322 break; 2323 case IEEE80211_IOC_WME: 2324 if (ireq->i_val) { 2325 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2326 return EINVAL; 2327 ic->ic_flags |= IEEE80211_F_WME; 2328 } else 2329 ic->ic_flags &= ~IEEE80211_F_WME; 2330 error = ENETRESET; /* XXX maybe not for station? */ 2331 break; 2332 case IEEE80211_IOC_HIDESSID: 2333 if (ireq->i_val) 2334 ic->ic_flags |= IEEE80211_F_HIDESSID; 2335 else 2336 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2337 error = ENETRESET; 2338 break; 2339 case IEEE80211_IOC_APBRIDGE: 2340 if (ireq->i_val == 0) 2341 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2342 else 2343 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2344 break; 2345 case IEEE80211_IOC_MCASTCIPHER: 2346 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2347 !ieee80211_crypto_available(ireq->i_val)) 2348 return EINVAL; 2349 rsn->rsn_mcastcipher = ireq->i_val; 2350 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2351 break; 2352 case IEEE80211_IOC_MCASTKEYLEN: 2353 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2354 return EINVAL; 2355 /* XXX no way to verify driver capability */ 2356 rsn->rsn_mcastkeylen = ireq->i_val; 2357 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2358 break; 2359 case IEEE80211_IOC_UCASTCIPHERS: 2360 /* 2361 * Convert user-specified cipher set to the set 2362 * we can support (via hardware or software). 2363 * NB: this logic intentionally ignores unknown and 2364 * unsupported ciphers so folks can specify 0xff or 2365 * similar and get all available ciphers. 2366 */ 2367 caps = 0; 2368 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2369 if ((ireq->i_val & (1<<j)) && 2370 ((ic->ic_caps & cipher2cap(j)) || 2371 ieee80211_crypto_available(j))) 2372 caps |= 1<<j; 2373 if (caps == 0) /* nothing available */ 2374 return EINVAL; 2375 /* XXX verify ciphers ok for unicast use? */ 2376 /* XXX disallow if running as it'll have no effect */ 2377 rsn->rsn_ucastcipherset = caps; 2378 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2379 break; 2380 case IEEE80211_IOC_UCASTCIPHER: 2381 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2382 return EINVAL; 2383 rsn->rsn_ucastcipher = ireq->i_val; 2384 break; 2385 case IEEE80211_IOC_UCASTKEYLEN: 2386 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2387 return EINVAL; 2388 /* XXX no way to verify driver capability */ 2389 rsn->rsn_ucastkeylen = ireq->i_val; 2390 break; 2391 case IEEE80211_IOC_DRIVER_CAPS: 2392 /* NB: for testing */ 2393 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2394 ((u_int16_t) ireq->i_len); 2395 break; 2396 case IEEE80211_IOC_KEYMGTALGS: 2397 /* XXX check */ 2398 rsn->rsn_keymgmtset = ireq->i_val; 2399 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2400 break; 2401 case IEEE80211_IOC_RSNCAPS: 2402 /* XXX check */ 2403 rsn->rsn_caps = ireq->i_val; 2404 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2405 break; 2406 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2407 case IEEE80211_IOC_BSSID: 2408 /* NB: should only be set when in STA mode */ 2409 if (ic->ic_opmode != IEEE80211_M_STA) 2410 return EINVAL; 2411 if (ireq->i_len != sizeof(tmpbssid)) 2412 return EINVAL; 2413 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2414 if (error) 2415 break; 2416 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2417 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2418 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2419 else 2420 ic->ic_flags |= IEEE80211_F_DESBSSID; 2421 error = ENETRESET; 2422 break; 2423 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2424 case IEEE80211_IOC_CHANLIST: 2425 error = ieee80211_ioctl_setchanlist(ic, ireq); 2426 break; 2427 case IEEE80211_IOC_SCAN_REQ: 2428 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2429 break; 2430 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2431 if (error == 0) /* XXX background scan */ 2432 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2433 break; 2434 case IEEE80211_IOC_ADDMAC: 2435 case IEEE80211_IOC_DELMAC: 2436 error = ieee80211_ioctl_macmac(ic, ireq); 2437 break; 2438 case IEEE80211_IOC_MACCMD: 2439 error = ieee80211_ioctl_setmaccmd(ic, ireq); 2440 break; 2441 case IEEE80211_IOC_STA_TXPOW: 2442 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2443 break; 2444 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2445 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2446 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2447 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2448 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2449 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2450 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2451 break; 2452 case IEEE80211_IOC_DTIM_PERIOD: 2453 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2454 ic->ic_opmode != IEEE80211_M_IBSS) 2455 return EINVAL; 2456 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2457 ireq->i_val <= IEEE80211_DTIM_MAX) { 2458 ic->ic_dtim_period = ireq->i_val; 2459 error = ENETRESET; /* requires restart */ 2460 } else 2461 error = EINVAL; 2462 break; 2463 case IEEE80211_IOC_BEACON_INTERVAL: 2464 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2465 ic->ic_opmode != IEEE80211_M_IBSS) 2466 return EINVAL; 2467 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2468 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2469 ic->ic_bintval = ireq->i_val; 2470 error = ENETRESET; /* requires restart */ 2471 } else 2472 error = EINVAL; 2473 break; 2474 case IEEE80211_IOC_PUREG: 2475 if (ireq->i_val) 2476 ic->ic_flags |= IEEE80211_F_PUREG; 2477 else 2478 ic->ic_flags &= ~IEEE80211_F_PUREG; 2479 /* NB: reset only if we're operating on an 11g channel */ 2480 if (ic->ic_curmode == IEEE80211_MODE_11G) 2481 error = ENETRESET; 2482 break; 2483 case IEEE80211_IOC_MCAST_RATE: 2484 ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL; 2485 break; 2486 case IEEE80211_IOC_FRAGTHRESHOLD: 2487 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && 2488 ireq->i_val != IEEE80211_FRAG_MAX) 2489 return EINVAL; 2490 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2491 ireq->i_val <= IEEE80211_FRAG_MAX)) 2492 return EINVAL; 2493 ic->ic_fragthreshold = ireq->i_val; 2494 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2495 break; 2496 default: 2497 error = EINVAL; 2498 break; 2499 } 2500 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2501 error = 0; 2502 return error; 2503 } 2504 2505 #ifdef __FreeBSD__ 2506 int 2507 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, void *data) 2508 { 2509 struct ifnet *ifp = ic->ic_ifp; 2510 int error = 0; 2511 struct ifreq *ifr; 2512 struct ifaddr *ifa; /* XXX */ 2513 2514 switch (cmd) { 2515 case SIOCSIFMEDIA: 2516 case SIOCGIFMEDIA: 2517 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2518 &ic->ic_media, cmd); 2519 break; 2520 case SIOCG80211: 2521 error = ieee80211_ioctl_get80211(ic, cmd, 2522 (struct ieee80211req *) data); 2523 break; 2524 case SIOCS80211: 2525 error = suser(curthread); 2526 if (error == 0) 2527 error = ieee80211_ioctl_set80211(ic, cmd, 2528 (struct ieee80211req *) data); 2529 break; 2530 case SIOCGIFGENERIC: 2531 error = ieee80211_cfgget(ic, cmd, data); 2532 break; 2533 case SIOCSIFGENERIC: 2534 error = suser(curthread); 2535 if (error) 2536 break; 2537 error = ieee80211_cfgset(ic, cmd, data); 2538 break; 2539 case SIOCG80211STATS: 2540 ifr = (struct ifreq *)data; 2541 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2542 break; 2543 case SIOCSIFMTU: 2544 ifr = (struct ifreq *)data; 2545 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2546 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2547 error = EINVAL; 2548 else 2549 ifp->if_mtu = ifr->ifr_mtu; 2550 break; 2551 default: 2552 error = ether_ioctl(ifp, cmd, data); 2553 break; 2554 } 2555 return error; 2556 } 2557 #endif /* __FreeBSD__ */ 2558 2559 #ifdef __NetBSD__ 2560 2561 int 2562 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, void *data) 2563 { 2564 struct ifnet *ifp = ic->ic_ifp; 2565 struct ifreq *ifr = (struct ifreq *)data; 2566 int i, error = 0, kid, klen, s; 2567 struct ieee80211_key *k; 2568 struct ieee80211_nwid nwid; 2569 struct ieee80211_nwkey *nwkey; 2570 struct ieee80211_power *power; 2571 struct ieee80211_bssid *bssid; 2572 struct ieee80211chanreq *chanreq; 2573 struct ieee80211_channel *chan; 2574 uint32_t oflags; 2575 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 2576 u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; 2577 2578 switch (cmd) { 2579 #ifdef OSIOCSIFMEDIA 2580 case OSIOCSIFMEDIA: 2581 #endif 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 = kauth_authorize_network(curlwp->l_cred, 2592 KAUTH_NETWORK_INTERFACE, 2593 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, 2594 NULL)) != 0) 2595 break; 2596 error = ieee80211_ioctl_set80211(ic, cmd, 2597 (struct ieee80211req *) data); 2598 break; 2599 case SIOCS80211NWID: 2600 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 2601 break; 2602 if (nwid.i_len > IEEE80211_NWID_LEN) { 2603 error = EINVAL; 2604 break; 2605 } 2606 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2607 ic->ic_des_esslen = nwid.i_len; 2608 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 2609 error = ENETRESET; 2610 break; 2611 case SIOCG80211NWID: 2612 memset(&nwid, 0, sizeof(nwid)); 2613 switch (ic->ic_state) { 2614 case IEEE80211_S_INIT: 2615 case IEEE80211_S_SCAN: 2616 nwid.i_len = ic->ic_des_esslen; 2617 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 2618 break; 2619 default: 2620 nwid.i_len = ic->ic_bss->ni_esslen; 2621 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 2622 break; 2623 } 2624 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 2625 break; 2626 case SIOCS80211NWKEY: 2627 nwkey = (struct ieee80211_nwkey *)data; 2628 /* transmit key index out of range? */ 2629 kid = nwkey->i_defkid - 1; 2630 if (kid < 0 || kid >= IEEE80211_WEP_NKID) { 2631 error = EINVAL; 2632 break; 2633 } 2634 /* no such transmit key is set? */ 2635 if (nwkey->i_key[kid].i_keylen == 0 || 2636 (nwkey->i_key[kid].i_keylen == -1 && 2637 ic->ic_nw_keys[kid].wk_keylen == 0)) { 2638 if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { 2639 error = EINVAL; 2640 break; 2641 } 2642 } 2643 /* check key lengths */ 2644 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2645 klen = nwkey->i_key[kid].i_keylen; 2646 if ((klen > 0 && 2647 klen < IEEE80211_WEP_KEYLEN) || 2648 klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { 2649 error = EINVAL; 2650 break; 2651 } 2652 } 2653 2654 if (error) 2655 break; 2656 2657 /* copy in keys */ 2658 (void)memset(tmpkey, 0, sizeof(tmpkey)); 2659 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2660 klen = nwkey->i_key[kid].i_keylen; 2661 if (klen <= 0) 2662 continue; 2663 if ((error = copyin(nwkey->i_key[kid].i_keydat, 2664 tmpkey[kid], klen)) != 0) 2665 break; 2666 } 2667 2668 if (error) 2669 break; 2670 2671 /* set keys */ 2672 ieee80211_key_update_begin(ic); 2673 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2674 klen = nwkey->i_key[kid].i_keylen; 2675 if (klen <= 0) 2676 continue; 2677 k = &ic->ic_nw_keys[kid]; 2678 k->wk_keyix = kid; 2679 if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2680 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2681 error = EINVAL; 2682 continue; 2683 } 2684 k->wk_keylen = nwkey->i_key[kid].i_keylen; 2685 (void)memcpy(k->wk_key, tmpkey[kid], 2686 sizeof(tmpkey[kid])); 2687 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2688 error = EINVAL; 2689 } 2690 ieee80211_key_update_end(ic); 2691 2692 if (error) 2693 break; 2694 2695 /* delete keys */ 2696 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2697 klen = nwkey->i_key[kid].i_keylen; 2698 k = &ic->ic_nw_keys[kid]; 2699 if (klen <= 0) 2700 (void)ieee80211_crypto_delkey(ic, k); 2701 } 2702 2703 /* set transmit key */ 2704 kid = nwkey->i_defkid - 1; 2705 if (ic->ic_def_txkey != kid) { 2706 ic->ic_def_txkey = kid; 2707 error = ENETRESET; 2708 } 2709 oflags = ic->ic_flags; 2710 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 2711 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2712 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2713 } else { 2714 ic->ic_flags |= IEEE80211_F_PRIVACY; 2715 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2716 } 2717 if (oflags != ic->ic_flags) 2718 error = ENETRESET; 2719 break; 2720 case SIOCG80211NWKEY: 2721 nwkey = (struct ieee80211_nwkey *)data; 2722 if (ic->ic_flags & IEEE80211_F_PRIVACY) 2723 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 2724 else 2725 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 2726 nwkey->i_defkid = ic->ic_def_txkey + 1; 2727 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2728 if (nwkey->i_key[i].i_keydat == NULL) 2729 continue; 2730 /* do not show any keys to non-root user */ 2731 if ((error = kauth_authorize_network(curlwp->l_cred, 2732 KAUTH_NETWORK_INTERFACE, 2733 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, 2734 (void *)cmd, NULL)) != 0) 2735 break; 2736 nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; 2737 if ((error = copyout(ic->ic_nw_keys[i].wk_key, 2738 nwkey->i_key[i].i_keydat, 2739 ic->ic_nw_keys[i].wk_keylen)) != 0) 2740 break; 2741 } 2742 break; 2743 case SIOCS80211POWER: 2744 power = (struct ieee80211_power *)data; 2745 ic->ic_lintval = power->i_maxsleep; 2746 if (power->i_enabled != 0) { 2747 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2748 error = EINVAL; 2749 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2750 ic->ic_flags |= IEEE80211_F_PMGTON; 2751 error = ENETRESET; 2752 } 2753 } else { 2754 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2755 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2756 error = ENETRESET; 2757 } 2758 } 2759 break; 2760 case SIOCG80211POWER: 2761 power = (struct ieee80211_power *)data; 2762 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 2763 power->i_maxsleep = ic->ic_lintval; 2764 break; 2765 case SIOCS80211BSSID: 2766 bssid = (struct ieee80211_bssid *)data; 2767 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 2768 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2769 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2770 else 2771 ic->ic_flags |= IEEE80211_F_DESBSSID; 2772 error = ENETRESET; 2773 break; 2774 case SIOCG80211BSSID: 2775 bssid = (struct ieee80211_bssid *)data; 2776 switch (ic->ic_state) { 2777 case IEEE80211_S_INIT: 2778 case IEEE80211_S_SCAN: 2779 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2780 IEEE80211_ADDR_COPY(bssid->i_bssid, 2781 ic->ic_myaddr); 2782 else if (ic->ic_flags & IEEE80211_F_DESBSSID) 2783 IEEE80211_ADDR_COPY(bssid->i_bssid, 2784 ic->ic_des_bssid); 2785 else 2786 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 2787 break; 2788 default: 2789 IEEE80211_ADDR_COPY(bssid->i_bssid, 2790 ic->ic_bss->ni_bssid); 2791 break; 2792 } 2793 break; 2794 case SIOCS80211CHANNEL: 2795 chanreq = (struct ieee80211chanreq *)data; 2796 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 2797 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2798 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 2799 isclr(ic->ic_chan_active, chanreq->i_channel)) { 2800 error = EINVAL; 2801 break; 2802 } else 2803 ic->ic_ibss_chan = ic->ic_des_chan = 2804 &ic->ic_channels[chanreq->i_channel]; 2805 switch (ic->ic_state) { 2806 case IEEE80211_S_INIT: 2807 case IEEE80211_S_SCAN: 2808 error = ENETRESET; 2809 break; 2810 default: 2811 if (ic->ic_opmode == IEEE80211_M_STA) { 2812 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2813 ic->ic_bss->ni_chan != ic->ic_des_chan) 2814 error = ENETRESET; 2815 } else if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2816 ic->ic_curchan = ic->ic_ibss_chan; 2817 error = ENETRESET; 2818 } else { 2819 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 2820 error = ENETRESET; 2821 } 2822 break; 2823 } 2824 break; 2825 case SIOCG80211CHANNEL: 2826 chanreq = (struct ieee80211chanreq *)data; 2827 switch (ic->ic_state) { 2828 case IEEE80211_S_INIT: 2829 case IEEE80211_S_SCAN: 2830 if (ic->ic_opmode == IEEE80211_M_STA) 2831 chan = ic->ic_des_chan; 2832 else 2833 chan = ic->ic_ibss_chan; 2834 break; 2835 default: 2836 chan = ic->ic_curchan; 2837 break; 2838 } 2839 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 2840 break; 2841 case SIOCGIFGENERIC: 2842 error = ieee80211_cfgget(ic, cmd, data); 2843 break; 2844 case SIOCSIFGENERIC: 2845 error = kauth_authorize_network(curlwp->l_cred, 2846 KAUTH_NETWORK_INTERFACE, 2847 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, 2848 NULL); 2849 if (error) 2850 break; 2851 error = ieee80211_cfgset(ic, cmd, data); 2852 break; 2853 case OSIOCG80211STATS: 2854 case OSIOCG80211ZSTATS: 2855 (void)module_autoload("compat_20", MODULE_CLASS_EXEC); 2856 MODULE_CALL_HOOK(ieee80211_20_ioctl_hook, (ic, cmd, data), 2857 enosys(), error); 2858 break; 2859 case SIOCG80211ZSTATS: 2860 case SIOCG80211STATS: 2861 ifr = (struct ifreq *)data; 2862 s = splnet(); 2863 error = copyout(&ic->ic_stats, ifr->ifr_buf, 2864 MIN(sizeof(ic->ic_stats), ifr->ifr_buflen)); 2865 if (error == 0 && cmd == SIOCG80211ZSTATS) 2866 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2867 splx(s); 2868 break; 2869 case SIOCSIFMTU: 2870 ifr = (struct ifreq *)data; 2871 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2872 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2873 error = EINVAL; 2874 else if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) 2875 error = 0; 2876 break; 2877 default: 2878 error = ether_ioctl(ifp, cmd, data); 2879 break; 2880 } 2881 return error; 2882 } 2883 #endif /* __NetBSD__ */ 2884
Indexes created Wed Sep 24 05:09:52 GMT 2025