ieee80211_ioctl.c revision 1.1.1.4
1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU General Public License ("GPL") version 2 as published by the Free 19 * Software Foundation. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.20 2005/04/12 17:55:13 sam Exp $"); 35 36 /* 37 * IEEE 802.11 ioctl support (FreeBSD-specific) 38 */ 39 40 #include "opt_inet.h" 41 #include "opt_ipx.h" 42 43 #include <sys/endian.h> 44 #include <sys/param.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/sockio.h> 48 #include <sys/systm.h> 49 50 #include <net/if.h> 51 #include <net/if_arp.h> 52 #include <net/if_media.h> 53 #include <net/ethernet.h> 54 55 #ifdef INET 56 #include <netinet/in.h> 57 #include <netinet/if_ether.h> 58 #endif 59 60 #ifdef IPX 61 #include <netipx/ipx.h> 62 #include <netipx/ipx_if.h> 63 #endif 64 65 #include <net80211/ieee80211_var.h> 66 #include <net80211/ieee80211_ioctl.h> 67 68 #include <dev/wi/if_wavelan_ieee.h> 69 70 #define IS_UP(_ic) \ 71 (((_ic)->ic_ifp->if_flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP)) 72 #define IS_UP_AUTO(_ic) \ 73 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 74 75 /* 76 * XXX 77 * Wireless LAN specific configuration interface, which is compatible 78 * with wicontrol(8). 79 */ 80 81 struct wi_read_ap_args { 82 int i; /* result count */ 83 struct wi_apinfo *ap; /* current entry in result buffer */ 84 caddr_t max; /* result buffer bound */ 85 }; 86 87 static void 88 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 89 { 90 struct ieee80211com *ic = ni->ni_ic; 91 struct wi_read_ap_args *sa = arg; 92 struct wi_apinfo *ap = sa->ap; 93 struct ieee80211_rateset *rs; 94 int j; 95 96 if ((caddr_t)(ap + 1) > sa->max) 97 return; 98 memset(ap, 0, sizeof(struct wi_apinfo)); 99 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 100 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 101 ap->namelen = ic->ic_des_esslen; 102 if (ic->ic_des_esslen) 103 memcpy(ap->name, ic->ic_des_essid, 104 ic->ic_des_esslen); 105 } else { 106 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 107 ap->namelen = ni->ni_esslen; 108 if (ni->ni_esslen) 109 memcpy(ap->name, ni->ni_essid, 110 ni->ni_esslen); 111 } 112 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 113 ap->signal = ic->ic_node_getrssi(ni); 114 ap->capinfo = ni->ni_capinfo; 115 ap->interval = ni->ni_intval; 116 rs = &ni->ni_rates; 117 for (j = 0; j < rs->rs_nrates; j++) { 118 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 119 ap->rate = (rs->rs_rates[j] & 120 IEEE80211_RATE_VAL) * 5; /* XXX */ 121 } 122 } 123 sa->i++; 124 sa->ap++; 125 } 126 127 struct wi_read_prism2_args { 128 int i; /* result count */ 129 struct wi_scan_res *res;/* current entry in result buffer */ 130 caddr_t max; /* result buffer bound */ 131 }; 132 133 static void 134 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 135 { 136 struct ieee80211com *ic = ni->ni_ic; 137 struct wi_read_prism2_args *sa = arg; 138 struct wi_scan_res *res = sa->res; 139 140 if ((caddr_t)(res + 1) > sa->max) 141 return; 142 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 143 res->wi_noise = 0; 144 res->wi_signal = ic->ic_node_getrssi(ni); 145 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 146 res->wi_interval = ni->ni_intval; 147 res->wi_capinfo = ni->ni_capinfo; 148 res->wi_ssid_len = ni->ni_esslen; 149 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 150 /* NB: assumes wi_srates holds <= ni->ni_rates */ 151 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 152 sizeof(res->wi_srates)); 153 if (ni->ni_rates.rs_nrates < 10) 154 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 155 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 156 res->wi_rsvd = 0; 157 158 sa->i++; 159 sa->res++; 160 } 161 162 struct wi_read_sigcache_args { 163 int i; /* result count */ 164 struct wi_sigcache *wsc;/* current entry in result buffer */ 165 caddr_t max; /* result buffer bound */ 166 }; 167 168 static void 169 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 170 { 171 struct ieee80211com *ic = ni->ni_ic; 172 struct wi_read_sigcache_args *sa = arg; 173 struct wi_sigcache *wsc = sa->wsc; 174 175 if ((caddr_t)(wsc + 1) > sa->max) 176 return; 177 memset(wsc, 0, sizeof(struct wi_sigcache)); 178 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 179 wsc->signal = ic->ic_node_getrssi(ni); 180 181 sa->wsc++; 182 sa->i++; 183 } 184 185 int 186 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data) 187 { 188 struct ifnet *ifp = ic->ic_ifp; 189 int i, j, error; 190 struct ifreq *ifr = (struct ifreq *)data; 191 struct wi_req wreq; 192 struct wi_ltv_keys *keys; 193 194 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 195 if (error) 196 return error; 197 wreq.wi_len = 0; 198 switch (wreq.wi_type) { 199 case WI_RID_SERIALNO: 200 /* nothing appropriate */ 201 break; 202 case WI_RID_NODENAME: 203 strcpy((char *)&wreq.wi_val[1], hostname); 204 wreq.wi_val[0] = htole16(strlen(hostname)); 205 wreq.wi_len = (1 + strlen(hostname) + 1) / 2; 206 break; 207 case WI_RID_CURRENT_SSID: 208 if (ic->ic_state != IEEE80211_S_RUN) { 209 wreq.wi_val[0] = 0; 210 wreq.wi_len = 1; 211 break; 212 } 213 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen); 214 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid, 215 ic->ic_bss->ni_esslen); 216 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 217 break; 218 case WI_RID_OWN_SSID: 219 case WI_RID_DESIRED_SSID: 220 wreq.wi_val[0] = htole16(ic->ic_des_esslen); 221 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 222 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2; 223 break; 224 case WI_RID_CURRENT_BSSID: 225 if (ic->ic_state == IEEE80211_S_RUN) 226 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid); 227 else 228 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN); 229 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 230 break; 231 case WI_RID_CHANNEL_LIST: 232 memset(wreq.wi_val, 0, sizeof(wreq.wi_val)); 233 /* 234 * Since channel 0 is not available for DS, channel 1 235 * is assigned to LSB on WaveLAN. 236 */ 237 if (ic->ic_phytype == IEEE80211_T_DS) 238 i = 1; 239 else 240 i = 0; 241 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 242 if (isset(ic->ic_chan_active, i)) { 243 setbit((u_int8_t *)wreq.wi_val, j); 244 wreq.wi_len = j / 16 + 1; 245 } 246 break; 247 case WI_RID_OWN_CHNL: 248 wreq.wi_val[0] = htole16( 249 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 250 wreq.wi_len = 1; 251 break; 252 case WI_RID_CURRENT_CHAN: 253 wreq.wi_val[0] = htole16( 254 ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan)); 255 wreq.wi_len = 1; 256 break; 257 case WI_RID_COMMS_QUALITY: 258 wreq.wi_val[0] = 0; /* quality */ 259 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 260 wreq.wi_val[2] = 0; /* noise */ 261 wreq.wi_len = 3; 262 break; 263 case WI_RID_PROMISC: 264 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 265 wreq.wi_len = 1; 266 break; 267 case WI_RID_PORTTYPE: 268 wreq.wi_val[0] = htole16(ic->ic_opmode); 269 wreq.wi_len = 1; 270 break; 271 case WI_RID_MAC_NODE: 272 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr); 273 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 274 break; 275 case WI_RID_TX_RATE: 276 if (ic->ic_fixed_rate == -1) 277 wreq.wi_val[0] = 0; /* auto */ 278 else 279 wreq.wi_val[0] = htole16( 280 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 281 IEEE80211_RATE_VAL) / 2); 282 wreq.wi_len = 1; 283 break; 284 case WI_RID_CUR_TX_RATE: 285 wreq.wi_val[0] = htole16( 286 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 287 IEEE80211_RATE_VAL) / 2); 288 wreq.wi_len = 1; 289 break; 290 case WI_RID_RTS_THRESH: 291 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold); 292 wreq.wi_len = 1; 293 break; 294 case WI_RID_CREATE_IBSS: 295 wreq.wi_val[0] = 296 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 297 wreq.wi_len = 1; 298 break; 299 case WI_RID_MICROWAVE_OVEN: 300 wreq.wi_val[0] = 0; /* no ... not supported */ 301 wreq.wi_len = 1; 302 break; 303 case WI_RID_ROAMING_MODE: 304 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 305 wreq.wi_len = 1; 306 break; 307 case WI_RID_SYSTEM_SCALE: 308 wreq.wi_val[0] = htole16(1); /* low density ... not supp */ 309 wreq.wi_len = 1; 310 break; 311 case WI_RID_PM_ENABLED: 312 wreq.wi_val[0] = 313 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 314 wreq.wi_len = 1; 315 break; 316 case WI_RID_MAX_SLEEP: 317 wreq.wi_val[0] = htole16(ic->ic_lintval); 318 wreq.wi_len = 1; 319 break; 320 case WI_RID_CUR_BEACON_INT: 321 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval); 322 wreq.wi_len = 1; 323 break; 324 case WI_RID_WEP_AVAIL: 325 wreq.wi_val[0] = htole16(1); /* always available */ 326 wreq.wi_len = 1; 327 break; 328 case WI_RID_CNFAUTHMODE: 329 wreq.wi_val[0] = htole16(1); /* TODO: open system only */ 330 wreq.wi_len = 1; 331 break; 332 case WI_RID_ENCRYPTION: 333 wreq.wi_val[0] = 334 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 335 wreq.wi_len = 1; 336 break; 337 case WI_RID_TX_CRYPT_KEY: 338 wreq.wi_val[0] = htole16(ic->ic_def_txkey); 339 wreq.wi_len = 1; 340 break; 341 case WI_RID_DEFLT_CRYPT_KEYS: 342 keys = (struct wi_ltv_keys *)&wreq; 343 /* do not show keys to non-root user */ 344 error = suser(curthread); 345 if (error) { 346 memset(keys, 0, sizeof(*keys)); 347 error = 0; 348 break; 349 } 350 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 351 keys->wi_keys[i].wi_keylen = 352 htole16(ic->ic_nw_keys[i].wk_keylen); 353 memcpy(keys->wi_keys[i].wi_keydat, 354 ic->ic_nw_keys[i].wk_key, 355 ic->ic_nw_keys[i].wk_keylen); 356 } 357 wreq.wi_len = sizeof(*keys) / 2; 358 break; 359 case WI_RID_MAX_DATALEN: 360 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 361 wreq.wi_len = 1; 362 break; 363 case WI_RID_IFACE_STATS: 364 /* XXX: should be implemented in lower drivers */ 365 break; 366 case WI_RID_READ_APS: 367 /* 368 * Don't return results until active scan completes. 369 */ 370 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 371 struct wi_read_ap_args args; 372 373 args.i = 0; 374 args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); 375 args.max = (void *)(&wreq + 1); 376 ieee80211_iterate_nodes(&ic->ic_scan, 377 wi_read_ap_result, &args); 378 memcpy(wreq.wi_val, &args.i, sizeof(args.i)); 379 wreq.wi_len = (sizeof(int) + 380 sizeof(struct wi_apinfo) * args.i) / 2; 381 } else 382 error = EINPROGRESS; 383 break; 384 case WI_RID_PRISM2: 385 /* NB: we lie so WI_RID_SCAN_RES can include rates */ 386 wreq.wi_val[0] = 1; 387 wreq.wi_len = sizeof(u_int16_t) / 2; 388 break; 389 case WI_RID_SCAN_RES: /* compatibility interface */ 390 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 391 struct wi_read_prism2_args args; 392 struct wi_scan_p2_hdr *p2; 393 394 /* NB: use Prism2 format so we can include rate info */ 395 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; 396 args.i = 0; 397 args.res = (void *)&p2[1]; 398 args.max = (void *)(&wreq + 1); 399 ieee80211_iterate_nodes(&ic->ic_scan, 400 wi_read_prism2_result, &args); 401 p2->wi_rsvd = 0; 402 p2->wi_reason = args.i; 403 wreq.wi_len = (sizeof(*p2) + 404 sizeof(struct wi_scan_res) * args.i) / 2; 405 } else 406 error = EINPROGRESS; 407 break; 408 case WI_RID_READ_CACHE: { 409 struct wi_read_sigcache_args args; 410 args.i = 0; 411 args.wsc = (struct wi_sigcache *) wreq.wi_val; 412 args.max = (void *)(&wreq + 1); 413 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 414 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 415 break; 416 } 417 default: 418 error = EINVAL; 419 break; 420 } 421 if (error == 0) { 422 wreq.wi_len++; 423 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 424 } 425 return error; 426 } 427 428 static int 429 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 430 { 431 #define IEEERATE(_ic,_m,_i) \ 432 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 433 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 434 for (i = 0; i < nrates; i++) 435 if (IEEERATE(ic, mode, i) == rate) 436 return i; 437 return -1; 438 #undef IEEERATE 439 } 440 441 /* 442 * Prepare to do a user-initiated scan for AP's. If no 443 * current/default channel is setup or the current channel 444 * is invalid then pick the first available channel from 445 * the active list as the place to start the scan. 446 */ 447 static int 448 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 449 { 450 int i; 451 452 /* 453 * XXX don't permit a scan to be started unless we 454 * know the device is ready. For the moment this means 455 * the device is marked up as this is the required to 456 * initialize the hardware. It would be better to permit 457 * scanning prior to being up but that'll require some 458 * changes to the infrastructure. 459 */ 460 if (!IS_UP(ic)) 461 return EINVAL; 462 if (ic->ic_ibss_chan == NULL || 463 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 464 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 465 if (isset(chanlist, i)) { 466 ic->ic_ibss_chan = &ic->ic_channels[i]; 467 goto found; 468 } 469 return EINVAL; /* no active channels */ 470 found: 471 ; 472 } 473 if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC || 474 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan))) 475 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 476 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 477 /* 478 * We force the state to INIT before calling ieee80211_new_state 479 * to get ieee80211_begin_scan called. We really want to scan w/o 480 * altering the current state but that's not possible right now. 481 */ 482 /* XXX handle proberequest case */ 483 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 484 return 0; 485 } 486 487 int 488 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) 489 { 490 struct ifnet *ifp = ic->ic_ifp; 491 int i, j, len, error, rate; 492 struct ifreq *ifr = (struct ifreq *)data; 493 struct wi_ltv_keys *keys; 494 struct wi_req wreq; 495 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)]; 496 497 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 498 if (error) 499 return error; 500 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0; 501 switch (wreq.wi_type) { 502 case WI_RID_SERIALNO: 503 case WI_RID_NODENAME: 504 return EPERM; 505 case WI_RID_CURRENT_SSID: 506 return EPERM; 507 case WI_RID_OWN_SSID: 508 case WI_RID_DESIRED_SSID: 509 if (le16toh(wreq.wi_val[0]) * 2 > len || 510 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) { 511 error = ENOSPC; 512 break; 513 } 514 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 515 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2; 516 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen); 517 error = ENETRESET; 518 break; 519 case WI_RID_CURRENT_BSSID: 520 return EPERM; 521 case WI_RID_OWN_CHNL: 522 if (len != 2) 523 return EINVAL; 524 i = le16toh(wreq.wi_val[0]); 525 if (i < 0 || 526 i > IEEE80211_CHAN_MAX || 527 isclr(ic->ic_chan_active, i)) 528 return EINVAL; 529 ic->ic_ibss_chan = &ic->ic_channels[i]; 530 if (ic->ic_opmode == IEEE80211_M_MONITOR) 531 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 532 else 533 error = ENETRESET; 534 break; 535 case WI_RID_CURRENT_CHAN: 536 return EPERM; 537 case WI_RID_COMMS_QUALITY: 538 return EPERM; 539 case WI_RID_PROMISC: 540 if (len != 2) 541 return EINVAL; 542 if (ifp->if_flags & IFF_PROMISC) { 543 if (wreq.wi_val[0] == 0) { 544 ifp->if_flags &= ~IFF_PROMISC; 545 error = ENETRESET; 546 } 547 } else { 548 if (wreq.wi_val[0] != 0) { 549 ifp->if_flags |= IFF_PROMISC; 550 error = ENETRESET; 551 } 552 } 553 break; 554 case WI_RID_PORTTYPE: 555 if (len != 2) 556 return EINVAL; 557 switch (le16toh(wreq.wi_val[0])) { 558 case IEEE80211_M_STA: 559 break; 560 case IEEE80211_M_IBSS: 561 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 562 return EINVAL; 563 break; 564 case IEEE80211_M_AHDEMO: 565 if (ic->ic_phytype != IEEE80211_T_DS || 566 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 567 return EINVAL; 568 break; 569 case IEEE80211_M_HOSTAP: 570 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 571 return EINVAL; 572 break; 573 default: 574 return EINVAL; 575 } 576 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) { 577 ic->ic_opmode = le16toh(wreq.wi_val[0]); 578 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 579 } 580 break; 581 #if 0 582 case WI_RID_MAC_NODE: 583 if (len != IEEE80211_ADDR_LEN) 584 return EINVAL; 585 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val); 586 /* if_init will copy lladdr into ic_myaddr */ 587 error = ENETRESET; 588 break; 589 #endif 590 case WI_RID_TX_RATE: 591 if (len != 2) 592 return EINVAL; 593 if (wreq.wi_val[0] == 0) { 594 /* auto */ 595 ic->ic_fixed_rate = -1; 596 break; 597 } 598 rate = 2 * le16toh(wreq.wi_val[0]); 599 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 600 /* 601 * In autoselect mode search for the rate. We take 602 * the first instance which may not be right, but we 603 * are limited by the interface. Note that we also 604 * lock the mode to insure the rate is meaningful 605 * when it is used. 606 */ 607 for (j = IEEE80211_MODE_11A; 608 j < IEEE80211_MODE_MAX; j++) { 609 if ((ic->ic_modecaps & (1<<j)) == 0) 610 continue; 611 i = findrate(ic, j, rate); 612 if (i != -1) { 613 /* lock mode too */ 614 ic->ic_curmode = j; 615 goto setrate; 616 } 617 } 618 } else { 619 i = findrate(ic, ic->ic_curmode, rate); 620 if (i != -1) 621 goto setrate; 622 } 623 return EINVAL; 624 setrate: 625 ic->ic_fixed_rate = i; 626 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 627 break; 628 case WI_RID_CUR_TX_RATE: 629 return EPERM; 630 case WI_RID_RTS_THRESH: 631 if (len != 2) 632 return EINVAL; 633 if (le16toh(wreq.wi_val[0]) != IEEE80211_MAX_LEN) 634 return EINVAL; /* TODO: RTS */ 635 break; 636 case WI_RID_CREATE_IBSS: 637 if (len != 2) 638 return EINVAL; 639 if (wreq.wi_val[0] != 0) { 640 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 641 return EINVAL; 642 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 643 ic->ic_flags |= IEEE80211_F_IBSSON; 644 if (ic->ic_opmode == IEEE80211_M_IBSS && 645 ic->ic_state == IEEE80211_S_SCAN) 646 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 647 } 648 } else { 649 if (ic->ic_flags & IEEE80211_F_IBSSON) { 650 ic->ic_flags &= ~IEEE80211_F_IBSSON; 651 if (ic->ic_flags & IEEE80211_F_SIBSS) { 652 ic->ic_flags &= ~IEEE80211_F_SIBSS; 653 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 654 } 655 } 656 } 657 break; 658 case WI_RID_MICROWAVE_OVEN: 659 if (len != 2) 660 return EINVAL; 661 if (wreq.wi_val[0] != 0) 662 return EINVAL; /* not supported */ 663 break; 664 case WI_RID_ROAMING_MODE: 665 if (len != 2) 666 return EINVAL; 667 i = le16toh(wreq.wi_val[0]); 668 if (i > IEEE80211_ROAMING_MANUAL) 669 return EINVAL; /* not supported */ 670 ic->ic_roaming = i; 671 break; 672 case WI_RID_SYSTEM_SCALE: 673 if (len != 2) 674 return EINVAL; 675 if (le16toh(wreq.wi_val[0]) != 1) 676 return EINVAL; /* not supported */ 677 break; 678 case WI_RID_PM_ENABLED: 679 if (len != 2) 680 return EINVAL; 681 if (wreq.wi_val[0] != 0) { 682 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 683 return EINVAL; 684 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 685 ic->ic_flags |= IEEE80211_F_PMGTON; 686 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 687 } 688 } else { 689 if (ic->ic_flags & IEEE80211_F_PMGTON) { 690 ic->ic_flags &= ~IEEE80211_F_PMGTON; 691 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 692 } 693 } 694 break; 695 case WI_RID_MAX_SLEEP: 696 if (len != 2) 697 return EINVAL; 698 ic->ic_lintval = le16toh(wreq.wi_val[0]); 699 if (ic->ic_flags & IEEE80211_F_PMGTON) 700 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 701 break; 702 case WI_RID_CUR_BEACON_INT: 703 return EPERM; 704 case WI_RID_WEP_AVAIL: 705 return EPERM; 706 case WI_RID_CNFAUTHMODE: 707 if (len != 2) 708 return EINVAL; 709 i = le16toh(wreq.wi_val[0]); 710 if (i > IEEE80211_AUTH_WPA) 711 return EINVAL; 712 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 713 error = ENETRESET; 714 break; 715 case WI_RID_ENCRYPTION: 716 if (len != 2) 717 return EINVAL; 718 if (wreq.wi_val[0] != 0) { 719 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 720 return EINVAL; 721 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 722 ic->ic_flags |= IEEE80211_F_PRIVACY; 723 error = ENETRESET; 724 } 725 } else { 726 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 727 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 728 error = ENETRESET; 729 } 730 } 731 break; 732 case WI_RID_TX_CRYPT_KEY: 733 if (len != 2) 734 return EINVAL; 735 i = le16toh(wreq.wi_val[0]); 736 if (i >= IEEE80211_WEP_NKID) 737 return EINVAL; 738 ic->ic_def_txkey = i; 739 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 740 break; 741 case WI_RID_DEFLT_CRYPT_KEYS: 742 if (len != sizeof(struct wi_ltv_keys)) 743 return EINVAL; 744 keys = (struct wi_ltv_keys *)&wreq; 745 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 746 len = le16toh(keys->wi_keys[i].wi_keylen); 747 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 748 return EINVAL; 749 if (len > IEEE80211_KEYBUF_SIZE) 750 return EINVAL; 751 } 752 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 753 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 754 755 len = le16toh(keys->wi_keys[i].wi_keylen); 756 k->wk_keylen = len; 757 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 758 memset(k->wk_key, 0, sizeof(k->wk_key)); 759 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 760 #if 0 761 k->wk_type = IEEE80211_CIPHER_WEP; 762 #endif 763 } 764 error = ENETRESET; 765 break; 766 case WI_RID_MAX_DATALEN: 767 if (len != 2) 768 return EINVAL; 769 len = le16toh(wreq.wi_val[0]); 770 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 771 return EINVAL; 772 ic->ic_fragthreshold = len; 773 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 774 break; 775 case WI_RID_IFACE_STATS: 776 error = EPERM; 777 break; 778 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 779 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 780 break; 781 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 782 if (error == 0) 783 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 784 break; 785 case WI_RID_SCAN_APS: 786 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 787 break; 788 len--; /* XXX: tx rate? */ 789 /* FALLTHRU */ 790 case WI_RID_CHANNEL_LIST: 791 memset(chanlist, 0, sizeof(chanlist)); 792 /* 793 * Since channel 0 is not available for DS, channel 1 794 * is assigned to LSB on WaveLAN. 795 */ 796 if (ic->ic_phytype == IEEE80211_T_DS) 797 i = 1; 798 else 799 i = 0; 800 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 801 if ((j / 8) >= len) 802 break; 803 if (isclr((u_int8_t *)wreq.wi_val, j)) 804 continue; 805 if (isclr(ic->ic_chan_active, i)) { 806 if (wreq.wi_type != WI_RID_CHANNEL_LIST) 807 continue; 808 if (isclr(ic->ic_chan_avail, i)) 809 return EPERM; 810 } 811 setbit(chanlist, i); 812 } 813 error = ieee80211_setupscan(ic, chanlist); 814 if (wreq.wi_type == WI_RID_CHANNEL_LIST) { 815 /* NB: ignore error from ieee80211_setupscan */ 816 error = ENETRESET; 817 } else if (error == 0) 818 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 819 break; 820 default: 821 error = EINVAL; 822 break; 823 } 824 if (error == ENETRESET && !IS_UP_AUTO(ic)) 825 error = 0; 826 return error; 827 } 828 829 static struct ieee80211_channel * 830 getcurchan(struct ieee80211com *ic) 831 { 832 switch (ic->ic_state) { 833 case IEEE80211_S_INIT: 834 case IEEE80211_S_SCAN: 835 return ic->ic_des_chan; 836 default: 837 return ic->ic_ibss_chan; 838 } 839 } 840 841 static int 842 cap2cipher(int flag) 843 { 844 switch (flag) { 845 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 846 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 847 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 848 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 849 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 850 } 851 return -1; 852 } 853 854 static int 855 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 856 { 857 struct ieee80211_node *ni; 858 struct ieee80211req_key ik; 859 struct ieee80211_key *wk; 860 const struct ieee80211_cipher *cip; 861 u_int kid; 862 int error; 863 864 if (ireq->i_len != sizeof(ik)) 865 return EINVAL; 866 error = copyin(ireq->i_data, &ik, sizeof(ik)); 867 if (error) 868 return error; 869 kid = ik.ik_keyix; 870 if (kid == IEEE80211_KEYIX_NONE) { 871 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 872 if (ni == NULL) 873 return EINVAL; /* XXX */ 874 wk = &ni->ni_ucastkey; 875 } else { 876 if (kid >= IEEE80211_WEP_NKID) 877 return EINVAL; 878 wk = &ic->ic_nw_keys[kid]; 879 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 880 ni = NULL; 881 } 882 cip = wk->wk_cipher; 883 ik.ik_type = cip->ic_cipher; 884 ik.ik_keylen = wk->wk_keylen; 885 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 886 if (wk->wk_keyix == ic->ic_def_txkey) 887 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 888 if (suser(curthread) == 0) { 889 /* NB: only root can read key data */ 890 ik.ik_keyrsc = wk->wk_keyrsc; 891 ik.ik_keytsc = wk->wk_keytsc; 892 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 893 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 894 memcpy(ik.ik_keydata+wk->wk_keylen, 895 wk->wk_key + IEEE80211_KEYBUF_SIZE, 896 IEEE80211_MICBUF_SIZE); 897 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 898 } 899 } else { 900 ik.ik_keyrsc = 0; 901 ik.ik_keytsc = 0; 902 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 903 } 904 if (ni != NULL) 905 ieee80211_free_node(ni); 906 return copyout(&ik, ireq->i_data, sizeof(ik)); 907 } 908 909 static int 910 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 911 { 912 913 if (sizeof(ic->ic_chan_active) > ireq->i_len) 914 ireq->i_len = sizeof(ic->ic_chan_active); 915 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 916 } 917 918 static int 919 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 920 { 921 struct ieee80211req_chaninfo chans; /* XXX off stack? */ 922 int i, space; 923 924 /* 925 * Since channel 0 is not available for DS, channel 1 926 * is assigned to LSB on WaveLAN. 927 */ 928 if (ic->ic_phytype == IEEE80211_T_DS) 929 i = 1; 930 else 931 i = 0; 932 memset(&chans, 0, sizeof(chans)); 933 for (; i <= IEEE80211_CHAN_MAX; i++) 934 if (isset(ic->ic_chan_avail, i)) { 935 struct ieee80211_channel *c = &ic->ic_channels[i]; 936 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; 937 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; 938 chans.ic_nchans++; 939 } 940 space = __offsetof(struct ieee80211req_chaninfo, 941 ic_chans[chans.ic_nchans]); 942 if (space > ireq->i_len) 943 space = ireq->i_len; 944 return copyout(&chans, ireq->i_data, space); 945 } 946 947 static int 948 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 949 { 950 struct ieee80211_node *ni; 951 struct ieee80211req_wpaie wpaie; 952 int error; 953 954 if (ireq->i_len < IEEE80211_ADDR_LEN) 955 return EINVAL; 956 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 957 if (error != 0) 958 return error; 959 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 960 if (ni == NULL) 961 return EINVAL; /* XXX */ 962 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 963 if (ni->ni_wpa_ie != NULL) { 964 int ielen = ni->ni_wpa_ie[1] + 2; 965 if (ielen > sizeof(wpaie.wpa_ie)) 966 ielen = sizeof(wpaie.wpa_ie); 967 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 968 } 969 ieee80211_free_node(ni); 970 if (ireq->i_len > sizeof(wpaie)) 971 ireq->i_len = sizeof(wpaie); 972 return copyout(&wpaie, ireq->i_data, ireq->i_len); 973 } 974 975 static int 976 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 977 { 978 struct ieee80211_node *ni; 979 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 980 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 981 int error; 982 983 if (ireq->i_len < off) 984 return EINVAL; 985 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 986 if (error != 0) 987 return error; 988 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 989 if (ni == NULL) 990 return EINVAL; /* XXX */ 991 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 992 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 993 /* NB: copy out only the statistics */ 994 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 995 ireq->i_len - off); 996 ieee80211_free_node(ni); 997 return error; 998 } 999 1000 static void 1001 get_scan_result(struct ieee80211req_scan_result *sr, 1002 const struct ieee80211_node *ni) 1003 { 1004 struct ieee80211com *ic = ni->ni_ic; 1005 1006 memset(sr, 0, sizeof(*sr)); 1007 sr->isr_ssid_len = ni->ni_esslen; 1008 if (ni->ni_wpa_ie != NULL) 1009 sr->isr_ie_len += 2+ni->ni_wpa_ie[1]; 1010 if (ni->ni_wme_ie != NULL) 1011 sr->isr_ie_len += 2+ni->ni_wme_ie[1]; 1012 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1013 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1014 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1015 sr->isr_freq = ni->ni_chan->ic_freq; 1016 sr->isr_flags = ni->ni_chan->ic_flags; 1017 } 1018 sr->isr_rssi = ic->ic_node_getrssi(ni); 1019 sr->isr_intval = ni->ni_intval; 1020 sr->isr_capinfo = ni->ni_capinfo; 1021 sr->isr_erp = ni->ni_erp; 1022 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1023 sr->isr_nrates = ni->ni_rates.rs_nrates; 1024 if (sr->isr_nrates > 15) 1025 sr->isr_nrates = 15; 1026 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1027 } 1028 1029 static int 1030 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1031 { 1032 union { 1033 struct ieee80211req_scan_result res; 1034 char data[512]; /* XXX shrink? */ 1035 } u; 1036 struct ieee80211req_scan_result *sr = &u.res; 1037 struct ieee80211_node_table *nt; 1038 struct ieee80211_node *ni; 1039 int error, space; 1040 u_int8_t *p, *cp; 1041 1042 p = ireq->i_data; 1043 space = ireq->i_len; 1044 error = 0; 1045 /* XXX locking */ 1046 nt = &ic->ic_scan; 1047 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1048 /* NB: skip pre-scan node state */ 1049 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1050 continue; 1051 get_scan_result(sr, ni); 1052 if (sr->isr_len > sizeof(u)) 1053 continue; /* XXX */ 1054 if (space < sr->isr_len) 1055 break; 1056 cp = (u_int8_t *)(sr+1); 1057 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1058 cp += ni->ni_esslen; 1059 if (ni->ni_wpa_ie != NULL) { 1060 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1061 cp += 2+ni->ni_wpa_ie[1]; 1062 } 1063 if (ni->ni_wme_ie != NULL) { 1064 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1065 cp += 2+ni->ni_wme_ie[1]; 1066 } 1067 error = copyout(sr, p, sr->isr_len); 1068 if (error) 1069 break; 1070 p += sr->isr_len; 1071 space -= sr->isr_len; 1072 } 1073 ireq->i_len -= space; 1074 return error; 1075 } 1076 1077 static void 1078 get_sta_info(struct ieee80211req_sta_info *si, const struct ieee80211_node *ni) 1079 { 1080 struct ieee80211com *ic = ni->ni_ic; 1081 1082 si->isi_ie_len = 0; 1083 if (ni->ni_wpa_ie != NULL) 1084 si->isi_ie_len += 2+ni->ni_wpa_ie[1]; 1085 if (ni->ni_wme_ie != NULL) 1086 si->isi_ie_len += 2+ni->ni_wme_ie[1]; 1087 si->isi_len = sizeof(*si) + si->isi_ie_len, sizeof(u_int32_t); 1088 si->isi_len = roundup(si->isi_len, sizeof(u_int32_t)); 1089 si->isi_freq = ni->ni_chan->ic_freq; 1090 si->isi_flags = ni->ni_chan->ic_flags; 1091 si->isi_state = ni->ni_flags; 1092 si->isi_authmode = ni->ni_authmode; 1093 si->isi_rssi = ic->ic_node_getrssi(ni); 1094 si->isi_capinfo = ni->ni_capinfo; 1095 si->isi_erp = ni->ni_erp; 1096 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1097 si->isi_nrates = ni->ni_rates.rs_nrates; 1098 if (si->isi_nrates > 15) 1099 si->isi_nrates = 15; 1100 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1101 si->isi_txrate = ni->ni_txrate; 1102 si->isi_associd = ni->ni_associd; 1103 si->isi_txpower = ni->ni_txpower; 1104 si->isi_vlan = ni->ni_vlan; 1105 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1106 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1107 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1108 } else { 1109 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1110 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1111 } 1112 if (ic->ic_opmode == IEEE80211_M_IBSS || ni->ni_associd != 0) 1113 si->isi_inact = ic->ic_inact_run; 1114 else if (ieee80211_node_is_authorized(ni)) 1115 si->isi_inact = ic->ic_inact_auth; 1116 else 1117 si->isi_inact = ic->ic_inact_init; 1118 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1119 } 1120 1121 static int 1122 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1123 { 1124 union { 1125 struct ieee80211req_sta_info info; 1126 char data[512]; /* XXX shrink? */ 1127 } u; 1128 struct ieee80211req_sta_info *si = &u.info; 1129 struct ieee80211_node_table *nt; 1130 struct ieee80211_node *ni; 1131 int error, space; 1132 u_int8_t *p, *cp; 1133 1134 nt = &ic->ic_sta; 1135 p = ireq->i_data; 1136 space = ireq->i_len; 1137 error = 0; 1138 /* XXX locking */ 1139 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1140 get_sta_info(si, ni); 1141 if (si->isi_len > sizeof(u)) 1142 continue; /* XXX */ 1143 if (space < si->isi_len) 1144 break; 1145 cp = (u_int8_t *)(si+1); 1146 if (ni->ni_wpa_ie != NULL) { 1147 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1148 cp += 2+ni->ni_wpa_ie[1]; 1149 } 1150 if (ni->ni_wme_ie != NULL) { 1151 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1152 cp += 2+ni->ni_wme_ie[1]; 1153 } 1154 error = copyout(si, p, si->isi_len); 1155 if (error) 1156 break; 1157 p += si->isi_len; 1158 space -= si->isi_len; 1159 } 1160 ireq->i_len -= space; 1161 return error; 1162 } 1163 1164 static int 1165 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1166 { 1167 struct ieee80211_node *ni; 1168 struct ieee80211req_sta_txpow txpow; 1169 int error; 1170 1171 if (ireq->i_len != sizeof(txpow)) 1172 return EINVAL; 1173 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1174 if (error != 0) 1175 return error; 1176 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1177 if (ni == NULL) 1178 return EINVAL; /* XXX */ 1179 txpow.it_txpow = ni->ni_txpower; 1180 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1181 ieee80211_free_node(ni); 1182 return error; 1183 } 1184 1185 static int 1186 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1187 { 1188 struct ieee80211_wme_state *wme = &ic->ic_wme; 1189 struct wmeParams *wmep; 1190 int ac; 1191 1192 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1193 return EINVAL; 1194 1195 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1196 if (ac >= WME_NUM_AC) 1197 ac = WME_AC_BE; 1198 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1199 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1200 else 1201 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1202 switch (ireq->i_type) { 1203 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1204 ireq->i_val = wmep->wmep_logcwmin; 1205 break; 1206 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1207 ireq->i_val = wmep->wmep_logcwmax; 1208 break; 1209 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1210 ireq->i_val = wmep->wmep_aifsn; 1211 break; 1212 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1213 ireq->i_val = wmep->wmep_txopLimit; 1214 break; 1215 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1216 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1217 ireq->i_val = wmep->wmep_acm; 1218 break; 1219 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1220 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1221 ireq->i_val = !wmep->wmep_noackPolicy; 1222 break; 1223 } 1224 return 0; 1225 } 1226 1227 /* 1228 * When building the kernel with -O2 on the i386 architecture, gcc 1229 * seems to want to inline this function into ieee80211_ioctl() 1230 * (which is the only routine that calls it). When this happens, 1231 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1232 * space. (Exactly why it needs so much is unclear.) The problem 1233 * is that it's possible for ieee80211_ioctl() to invoke other 1234 * routines (including driver init functions) which could then find 1235 * themselves perilously close to exhausting the stack. 1236 * 1237 * To avoid this, we deliberately prevent gcc from inlining this 1238 * routine. Another way to avoid this is to use less agressive 1239 * optimization when compiling this file (i.e. -O instead of -O2) 1240 * but special-casing the compilation of this one module in the 1241 * build system would be awkward. 1242 */ 1243 #ifdef __GNUC__ 1244 __attribute__ ((noinline)) 1245 #endif 1246 static int 1247 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1248 { 1249 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1250 int error = 0; 1251 u_int kid, len, m; 1252 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1253 char tmpssid[IEEE80211_NWID_LEN]; 1254 1255 switch (ireq->i_type) { 1256 case IEEE80211_IOC_SSID: 1257 switch (ic->ic_state) { 1258 case IEEE80211_S_INIT: 1259 case IEEE80211_S_SCAN: 1260 ireq->i_len = ic->ic_des_esslen; 1261 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1262 break; 1263 default: 1264 ireq->i_len = ic->ic_bss->ni_esslen; 1265 memcpy(tmpssid, ic->ic_bss->ni_essid, 1266 ireq->i_len); 1267 break; 1268 } 1269 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1270 break; 1271 case IEEE80211_IOC_NUMSSIDS: 1272 ireq->i_val = 1; 1273 break; 1274 case IEEE80211_IOC_WEP: 1275 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1276 ireq->i_val = IEEE80211_WEP_OFF; 1277 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1278 ireq->i_val = IEEE80211_WEP_ON; 1279 else 1280 ireq->i_val = IEEE80211_WEP_MIXED; 1281 break; 1282 case IEEE80211_IOC_WEPKEY: 1283 kid = (u_int) ireq->i_val; 1284 if (kid >= IEEE80211_WEP_NKID) 1285 return EINVAL; 1286 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1287 /* NB: only root can read WEP keys */ 1288 if (suser(curthread) == 0) { 1289 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1290 } else { 1291 bzero(tmpkey, len); 1292 } 1293 ireq->i_len = len; 1294 error = copyout(tmpkey, ireq->i_data, len); 1295 break; 1296 case IEEE80211_IOC_NUMWEPKEYS: 1297 ireq->i_val = IEEE80211_WEP_NKID; 1298 break; 1299 case IEEE80211_IOC_WEPTXKEY: 1300 ireq->i_val = ic->ic_def_txkey; 1301 break; 1302 case IEEE80211_IOC_AUTHMODE: 1303 if (ic->ic_flags & IEEE80211_F_WPA) 1304 ireq->i_val = IEEE80211_AUTH_WPA; 1305 else 1306 ireq->i_val = ic->ic_bss->ni_authmode; 1307 break; 1308 case IEEE80211_IOC_CHANNEL: 1309 ireq->i_val = ieee80211_chan2ieee(ic, getcurchan(ic)); 1310 break; 1311 case IEEE80211_IOC_POWERSAVE: 1312 if (ic->ic_flags & IEEE80211_F_PMGTON) 1313 ireq->i_val = IEEE80211_POWERSAVE_ON; 1314 else 1315 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1316 break; 1317 case IEEE80211_IOC_POWERSAVESLEEP: 1318 ireq->i_val = ic->ic_lintval; 1319 break; 1320 case IEEE80211_IOC_RTSTHRESHOLD: 1321 ireq->i_val = ic->ic_rtsthreshold; 1322 break; 1323 case IEEE80211_IOC_PROTMODE: 1324 ireq->i_val = ic->ic_protmode; 1325 break; 1326 case IEEE80211_IOC_TXPOWER: 1327 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1328 return EINVAL; 1329 ireq->i_val = ic->ic_txpowlimit; 1330 break; 1331 case IEEE80211_IOC_MCASTCIPHER: 1332 ireq->i_val = rsn->rsn_mcastcipher; 1333 break; 1334 case IEEE80211_IOC_MCASTKEYLEN: 1335 ireq->i_val = rsn->rsn_mcastkeylen; 1336 break; 1337 case IEEE80211_IOC_UCASTCIPHERS: 1338 ireq->i_val = 0; 1339 for (m = 0x1; m != 0; m <<= 1) 1340 if (rsn->rsn_ucastcipherset & m) 1341 ireq->i_val |= 1<<cap2cipher(m); 1342 break; 1343 case IEEE80211_IOC_UCASTCIPHER: 1344 ireq->i_val = rsn->rsn_ucastcipher; 1345 break; 1346 case IEEE80211_IOC_UCASTKEYLEN: 1347 ireq->i_val = rsn->rsn_ucastkeylen; 1348 break; 1349 case IEEE80211_IOC_KEYMGTALGS: 1350 ireq->i_val = rsn->rsn_keymgmtset; 1351 break; 1352 case IEEE80211_IOC_RSNCAPS: 1353 ireq->i_val = rsn->rsn_caps; 1354 break; 1355 case IEEE80211_IOC_WPA: 1356 switch (ic->ic_flags & IEEE80211_F_WPA) { 1357 case IEEE80211_F_WPA1: 1358 ireq->i_val = 1; 1359 break; 1360 case IEEE80211_F_WPA2: 1361 ireq->i_val = 2; 1362 break; 1363 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1364 ireq->i_val = 3; 1365 break; 1366 default: 1367 ireq->i_val = 0; 1368 break; 1369 } 1370 break; 1371 case IEEE80211_IOC_CHANLIST: 1372 error = ieee80211_ioctl_getchanlist(ic, ireq); 1373 break; 1374 case IEEE80211_IOC_ROAMING: 1375 ireq->i_val = ic->ic_roaming; 1376 break; 1377 case IEEE80211_IOC_PRIVACY: 1378 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1379 break; 1380 case IEEE80211_IOC_DROPUNENCRYPTED: 1381 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1382 break; 1383 case IEEE80211_IOC_COUNTERMEASURES: 1384 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1385 break; 1386 case IEEE80211_IOC_DRIVER_CAPS: 1387 ireq->i_val = ic->ic_caps>>16; 1388 ireq->i_len = ic->ic_caps&0xffff; 1389 break; 1390 case IEEE80211_IOC_WME: 1391 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1392 break; 1393 case IEEE80211_IOC_HIDESSID: 1394 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1395 break; 1396 case IEEE80211_IOC_APBRIDGE: 1397 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1398 break; 1399 case IEEE80211_IOC_OPTIE: 1400 if (ic->ic_opt_ie == NULL) 1401 return EINVAL; 1402 /* NB: truncate, caller can check length */ 1403 if (ireq->i_len > ic->ic_opt_ie_len) 1404 ireq->i_len = ic->ic_opt_ie_len; 1405 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1406 break; 1407 case IEEE80211_IOC_WPAKEY: 1408 error = ieee80211_ioctl_getkey(ic, ireq); 1409 break; 1410 case IEEE80211_IOC_CHANINFO: 1411 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1412 break; 1413 case IEEE80211_IOC_BSSID: 1414 if (ireq->i_len != IEEE80211_ADDR_LEN) 1415 return EINVAL; 1416 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1417 ic->ic_bss->ni_bssid : 1418 ic->ic_des_bssid, 1419 ireq->i_data, ireq->i_len); 1420 break; 1421 case IEEE80211_IOC_WPAIE: 1422 error = ieee80211_ioctl_getwpaie(ic, ireq); 1423 break; 1424 case IEEE80211_IOC_SCAN_RESULTS: 1425 error = ieee80211_ioctl_getscanresults(ic, ireq); 1426 break; 1427 case IEEE80211_IOC_STA_STATS: 1428 error = ieee80211_ioctl_getstastats(ic, ireq); 1429 break; 1430 case IEEE80211_IOC_TXPOWMAX: 1431 ireq->i_val = ic->ic_bss->ni_txpower; 1432 break; 1433 case IEEE80211_IOC_STA_TXPOW: 1434 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1435 break; 1436 case IEEE80211_IOC_STA_INFO: 1437 error = ieee80211_ioctl_getstainfo(ic, ireq); 1438 break; 1439 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1440 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1441 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1442 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1443 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1444 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1445 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1446 break; 1447 case IEEE80211_IOC_DTIM_PERIOD: 1448 ireq->i_val = ic->ic_dtim_period; 1449 break; 1450 case IEEE80211_IOC_BEACON_INTERVAL: 1451 /* NB: get from ic_bss for station mode */ 1452 ireq->i_val = ic->ic_bss->ni_intval; 1453 break; 1454 default: 1455 error = EINVAL; 1456 break; 1457 } 1458 return error; 1459 } 1460 1461 static int 1462 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1463 { 1464 int error; 1465 void *ie; 1466 1467 /* 1468 * NB: Doing this for ap operation could be useful (e.g. for 1469 * WPA and/or WME) except that it typically is worthless 1470 * without being able to intervene when processing 1471 * association response frames--so disallow it for now. 1472 */ 1473 if (ic->ic_opmode != IEEE80211_M_STA) 1474 return EINVAL; 1475 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1476 return EINVAL; 1477 /* NB: data.length is validated by the wireless extensions code */ 1478 MALLOC(ie, void *, ireq->i_len, M_DEVBUF, M_WAITOK); 1479 if (ie == NULL) 1480 return ENOMEM; 1481 error = copyin(ireq->i_data, ie, ireq->i_len); 1482 /* XXX sanity check data? */ 1483 if (ic->ic_opt_ie != NULL) 1484 FREE(ic->ic_opt_ie, M_DEVBUF); 1485 ic->ic_opt_ie = ie; 1486 ic->ic_opt_ie_len = ireq->i_len; 1487 return 0; 1488 } 1489 1490 static int 1491 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1492 { 1493 struct ieee80211req_key ik; 1494 struct ieee80211_node *ni; 1495 struct ieee80211_key *wk; 1496 u_int16_t kid; 1497 int error; 1498 1499 if (ireq->i_len != sizeof(ik)) 1500 return EINVAL; 1501 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1502 if (error) 1503 return error; 1504 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1505 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1506 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1507 return E2BIG; 1508 kid = ik.ik_keyix; 1509 if (kid == IEEE80211_KEYIX_NONE) { 1510 /* XXX unicast keys currently must be tx/rx */ 1511 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1512 return EINVAL; 1513 if (ic->ic_opmode == IEEE80211_M_STA) { 1514 ni = ic->ic_bss; 1515 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) 1516 return EADDRNOTAVAIL; 1517 } else { 1518 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1519 if (ni == NULL) 1520 return ENOENT; 1521 } 1522 wk = &ni->ni_ucastkey; 1523 } else { 1524 if (kid >= IEEE80211_WEP_NKID) 1525 return EINVAL; 1526 wk = &ic->ic_nw_keys[kid]; 1527 ni = NULL; 1528 /* XXX auto-add group key flag until applications are updated */ 1529 if ((ik.ik_flags & IEEE80211_KEY_XMIT) == 0) /* XXX */ 1530 ik.ik_flags |= IEEE80211_KEY_GROUP; /* XXX */ 1531 } 1532 error = 0; 1533 ieee80211_key_update_begin(ic); 1534 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1535 wk->wk_keylen = ik.ik_keylen; 1536 /* NB: MIC presence is implied by cipher type */ 1537 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1538 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1539 wk->wk_keyrsc = ik.ik_keyrsc; 1540 wk->wk_keytsc = 0; /* new key, reset */ 1541 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1542 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1543 if (!ieee80211_crypto_setkey(ic, wk, 1544 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1545 error = EIO; 1546 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1547 ic->ic_def_txkey = kid; 1548 } else 1549 error = ENXIO; 1550 ieee80211_key_update_end(ic); 1551 if (ni != NULL) 1552 ieee80211_free_node(ni); 1553 return error; 1554 } 1555 1556 static int 1557 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1558 { 1559 struct ieee80211req_del_key dk; 1560 int kid, error; 1561 1562 if (ireq->i_len != sizeof(dk)) 1563 return EINVAL; 1564 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1565 if (error) 1566 return error; 1567 kid = dk.idk_keyix; 1568 /* XXX u_int8_t -> u_int16_t */ 1569 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1570 struct ieee80211_node *ni; 1571 1572 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1573 if (ni == NULL) 1574 return EINVAL; /* XXX */ 1575 /* XXX error return */ 1576 ieee80211_crypto_delkey(ic, &ni->ni_ucastkey); 1577 ieee80211_free_node(ni); 1578 } else { 1579 if (kid >= IEEE80211_WEP_NKID) 1580 return EINVAL; 1581 /* XXX error return */ 1582 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1583 } 1584 return 0; 1585 } 1586 1587 static void 1588 domlme(void *arg, struct ieee80211_node *ni) 1589 { 1590 struct ieee80211com *ic = ni->ni_ic; 1591 struct ieee80211req_mlme *mlme = arg; 1592 1593 if (ni->ni_associd != 0) { 1594 IEEE80211_SEND_MGMT(ic, ni, 1595 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1596 IEEE80211_FC0_SUBTYPE_DEAUTH : 1597 IEEE80211_FC0_SUBTYPE_DISASSOC, 1598 mlme->im_reason); 1599 } 1600 ieee80211_node_leave(ic, ni); 1601 } 1602 1603 static int 1604 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1605 { 1606 struct ieee80211req_mlme mlme; 1607 struct ieee80211_node *ni; 1608 int error; 1609 1610 if (ireq->i_len != sizeof(mlme)) 1611 return EINVAL; 1612 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1613 if (error) 1614 return error; 1615 switch (mlme.im_op) { 1616 case IEEE80211_MLME_ASSOC: 1617 if (ic->ic_opmode != IEEE80211_M_STA) 1618 return EINVAL; 1619 /* XXX must be in S_SCAN state? */ 1620 1621 if (ic->ic_des_esslen != 0) { 1622 /* 1623 * Desired ssid specified; must match both bssid and 1624 * ssid to distinguish ap advertising multiple ssid's. 1625 */ 1626 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1627 mlme.im_macaddr, 1628 ic->ic_des_esslen, ic->ic_des_essid); 1629 } else { 1630 /* 1631 * Normal case; just match bssid. 1632 */ 1633 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1634 } 1635 if (ni == NULL) 1636 return EINVAL; 1637 if (!ieee80211_sta_join(ic, ni)) { 1638 ieee80211_free_node(ni); 1639 return EINVAL; 1640 } 1641 break; 1642 case IEEE80211_MLME_DISASSOC: 1643 case IEEE80211_MLME_DEAUTH: 1644 switch (ic->ic_opmode) { 1645 case IEEE80211_M_STA: 1646 /* XXX not quite right */ 1647 ieee80211_new_state(ic, IEEE80211_S_INIT, 1648 mlme.im_reason); 1649 break; 1650 case IEEE80211_M_HOSTAP: 1651 /* NB: the broadcast address means do 'em all */ 1652 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1653 if ((ni = ieee80211_find_node(&ic->ic_sta, 1654 mlme.im_macaddr)) == NULL) 1655 return EINVAL; 1656 domlme(&mlme, ni); 1657 ieee80211_free_node(ni); 1658 } else { 1659 ieee80211_iterate_nodes(&ic->ic_sta, 1660 domlme, &mlme); 1661 } 1662 break; 1663 default: 1664 return EINVAL; 1665 } 1666 break; 1667 case IEEE80211_MLME_AUTHORIZE: 1668 case IEEE80211_MLME_UNAUTHORIZE: 1669 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1670 return EINVAL; 1671 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1672 if (ni == NULL) 1673 return EINVAL; 1674 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1675 ieee80211_node_authorize(ic, ni); 1676 else 1677 ieee80211_node_unauthorize(ic, ni); 1678 ieee80211_free_node(ni); 1679 break; 1680 default: 1681 return EINVAL; 1682 } 1683 return 0; 1684 } 1685 1686 static int 1687 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1688 { 1689 u_int8_t mac[IEEE80211_ADDR_LEN]; 1690 const struct ieee80211_aclator *acl = ic->ic_acl; 1691 int error; 1692 1693 if (ireq->i_len != sizeof(mac)) 1694 return EINVAL; 1695 error = copyin(ireq->i_data, mac, ireq->i_len); 1696 if (error) 1697 return error; 1698 if (acl == NULL) { 1699 acl = ieee80211_aclator_get("mac"); 1700 if (acl == NULL || !acl->iac_attach(ic)) 1701 return EINVAL; 1702 ic->ic_acl = acl; 1703 } 1704 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1705 acl->iac_add(ic, mac); 1706 else 1707 acl->iac_remove(ic, mac); 1708 return 0; 1709 } 1710 1711 static int 1712 ieee80211_ioctl_maccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1713 { 1714 const struct ieee80211_aclator *acl = ic->ic_acl; 1715 1716 switch (ireq->i_val) { 1717 case IEEE80211_MACCMD_POLICY_OPEN: 1718 case IEEE80211_MACCMD_POLICY_ALLOW: 1719 case IEEE80211_MACCMD_POLICY_DENY: 1720 if (acl == NULL) { 1721 acl = ieee80211_aclator_get("mac"); 1722 if (acl == NULL || !acl->iac_attach(ic)) 1723 return EINVAL; 1724 ic->ic_acl = acl; 1725 } 1726 acl->iac_setpolicy(ic, ireq->i_val); 1727 break; 1728 case IEEE80211_MACCMD_FLUSH: 1729 if (acl != NULL) 1730 acl->iac_flush(ic); 1731 /* NB: silently ignore when not in use */ 1732 break; 1733 case IEEE80211_MACCMD_DETACH: 1734 if (acl != NULL) { 1735 ic->ic_acl = NULL; 1736 acl->iac_detach(ic); 1737 } 1738 break; 1739 default: 1740 return EINVAL; 1741 } 1742 return 0; 1743 } 1744 1745 static int 1746 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1747 { 1748 struct ieee80211req_chanlist list; 1749 u_char chanlist[IEEE80211_CHAN_BYTES]; 1750 int i, j, error; 1751 1752 if (ireq->i_len != sizeof(list)) 1753 return EINVAL; 1754 error = copyin(ireq->i_data, &list, sizeof(list)); 1755 if (error) 1756 return error; 1757 memset(chanlist, 0, sizeof(chanlist)); 1758 /* 1759 * Since channel 0 is not available for DS, channel 1 1760 * is assigned to LSB on WaveLAN. 1761 */ 1762 if (ic->ic_phytype == IEEE80211_T_DS) 1763 i = 1; 1764 else 1765 i = 0; 1766 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1767 /* 1768 * NB: silently discard unavailable channels so users 1769 * can specify 1-255 to get all available channels. 1770 */ 1771 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1772 setbit(chanlist, i); 1773 } 1774 if (ic->ic_ibss_chan == NULL || 1775 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1776 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1777 if (isset(chanlist, i)) { 1778 ic->ic_ibss_chan = &ic->ic_channels[i]; 1779 goto found; 1780 } 1781 return EINVAL; /* no active channels */ 1782 found: 1783 ; 1784 } 1785 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1786 if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC || 1787 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan))) 1788 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 1789 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1790 } 1791 1792 static int 1793 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1794 { 1795 struct ieee80211_node *ni; 1796 struct ieee80211req_sta_txpow txpow; 1797 int error; 1798 1799 if (ireq->i_len != sizeof(txpow)) 1800 return EINVAL; 1801 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1802 if (error != 0) 1803 return error; 1804 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1805 if (ni == NULL) 1806 return EINVAL; /* XXX */ 1807 ni->ni_txpower = txpow.it_txpow; 1808 ieee80211_free_node(ni); 1809 return error; 1810 } 1811 1812 static int 1813 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1814 { 1815 struct ieee80211_wme_state *wme = &ic->ic_wme; 1816 struct wmeParams *wmep, *chanp; 1817 int isbss, ac; 1818 1819 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1820 return EINVAL; 1821 1822 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1823 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1824 if (ac >= WME_NUM_AC) 1825 ac = WME_AC_BE; 1826 if (isbss) { 1827 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1828 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1829 } else { 1830 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1831 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1832 } 1833 switch (ireq->i_type) { 1834 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1835 if (isbss) { 1836 wmep->wmep_logcwmin = ireq->i_val; 1837 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1838 chanp->wmep_logcwmin = ireq->i_val; 1839 } else { 1840 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1841 ireq->i_val; 1842 } 1843 break; 1844 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1845 if (isbss) { 1846 wmep->wmep_logcwmax = ireq->i_val; 1847 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1848 chanp->wmep_logcwmax = ireq->i_val; 1849 } else { 1850 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1851 ireq->i_val; 1852 } 1853 break; 1854 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1855 if (isbss) { 1856 wmep->wmep_aifsn = ireq->i_val; 1857 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1858 chanp->wmep_aifsn = ireq->i_val; 1859 } else { 1860 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1861 } 1862 break; 1863 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1864 if (isbss) { 1865 wmep->wmep_txopLimit = ireq->i_val; 1866 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1867 chanp->wmep_txopLimit = ireq->i_val; 1868 } else { 1869 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1870 ireq->i_val; 1871 } 1872 break; 1873 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1874 wmep->wmep_acm = ireq->i_val; 1875 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1876 chanp->wmep_acm = ireq->i_val; 1877 break; 1878 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1879 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1880 (ireq->i_val) == 0; 1881 break; 1882 } 1883 ieee80211_wme_updateparams(ic); 1884 return 0; 1885 } 1886 1887 static int 1888 cipher2cap(int cipher) 1889 { 1890 switch (cipher) { 1891 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 1892 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 1893 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 1894 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 1895 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 1896 } 1897 return 0; 1898 } 1899 1900 static int 1901 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1902 { 1903 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 1904 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1905 int error; 1906 const struct ieee80211_authenticator *auth; 1907 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1908 char tmpssid[IEEE80211_NWID_LEN]; 1909 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 1910 struct ieee80211_key *k; 1911 int j, caps; 1912 u_int kid; 1913 1914 error = 0; 1915 switch (ireq->i_type) { 1916 case IEEE80211_IOC_SSID: 1917 if (ireq->i_val != 0 || 1918 ireq->i_len > IEEE80211_NWID_LEN) 1919 return EINVAL; 1920 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 1921 if (error) 1922 break; 1923 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 1924 ic->ic_des_esslen = ireq->i_len; 1925 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 1926 error = ENETRESET; 1927 break; 1928 case IEEE80211_IOC_WEP: 1929 switch (ireq->i_val) { 1930 case IEEE80211_WEP_OFF: 1931 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 1932 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1933 break; 1934 case IEEE80211_WEP_ON: 1935 ic->ic_flags |= IEEE80211_F_PRIVACY; 1936 ic->ic_flags |= IEEE80211_F_DROPUNENC; 1937 break; 1938 case IEEE80211_WEP_MIXED: 1939 ic->ic_flags |= IEEE80211_F_PRIVACY; 1940 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1941 break; 1942 } 1943 error = ENETRESET; 1944 break; 1945 case IEEE80211_IOC_WEPKEY: 1946 kid = (u_int) ireq->i_val; 1947 if (kid >= IEEE80211_WEP_NKID) 1948 return EINVAL; 1949 k = &ic->ic_nw_keys[kid]; 1950 if (ireq->i_len == 0) { 1951 /* zero-len =>'s delete any existing key */ 1952 (void) ieee80211_crypto_delkey(ic, k); 1953 break; 1954 } 1955 if (ireq->i_len > sizeof(tmpkey)) 1956 return EINVAL; 1957 memset(tmpkey, 0, sizeof(tmpkey)); 1958 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 1959 if (error) 1960 break; 1961 ieee80211_key_update_begin(ic); 1962 k->wk_keyix = kid; /* NB: force fixed key id */ 1963 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 1964 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 1965 k->wk_keylen = ireq->i_len; 1966 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 1967 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 1968 error = EINVAL; 1969 } else 1970 error = EINVAL; 1971 ieee80211_key_update_end(ic); 1972 break; 1973 case IEEE80211_IOC_WEPTXKEY: 1974 kid = (u_int) ireq->i_val; 1975 if (kid >= IEEE80211_WEP_NKID && 1976 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 1977 return EINVAL; 1978 ic->ic_def_txkey = kid; 1979 error = ENETRESET; /* push to hardware */ 1980 break; 1981 case IEEE80211_IOC_AUTHMODE: 1982 switch (ireq->i_val) { 1983 case IEEE80211_AUTH_WPA: 1984 case IEEE80211_AUTH_8021X: /* 802.1x */ 1985 case IEEE80211_AUTH_OPEN: /* open */ 1986 case IEEE80211_AUTH_SHARED: /* shared-key */ 1987 case IEEE80211_AUTH_AUTO: /* auto */ 1988 auth = ieee80211_authenticator_get(ireq->i_val); 1989 if (auth == NULL) 1990 return EINVAL; 1991 break; 1992 default: 1993 return EINVAL; 1994 } 1995 switch (ireq->i_val) { 1996 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 1997 ic->ic_flags |= IEEE80211_F_PRIVACY; 1998 ireq->i_val = IEEE80211_AUTH_8021X; 1999 break; 2000 case IEEE80211_AUTH_OPEN: /* open */ 2001 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2002 break; 2003 case IEEE80211_AUTH_SHARED: /* shared-key */ 2004 case IEEE80211_AUTH_8021X: /* 802.1x */ 2005 ic->ic_flags &= ~IEEE80211_F_WPA; 2006 /* both require a key so mark the PRIVACY capability */ 2007 ic->ic_flags |= IEEE80211_F_PRIVACY; 2008 break; 2009 case IEEE80211_AUTH_AUTO: /* auto */ 2010 ic->ic_flags &= ~IEEE80211_F_WPA; 2011 /* XXX PRIVACY handling? */ 2012 /* XXX what's the right way to do this? */ 2013 break; 2014 } 2015 /* NB: authenticator attach/detach happens on state change */ 2016 ic->ic_bss->ni_authmode = ireq->i_val; 2017 /* XXX mixed/mode/usage? */ 2018 ic->ic_auth = auth; 2019 error = ENETRESET; 2020 break; 2021 case IEEE80211_IOC_CHANNEL: 2022 /* XXX 0xffff overflows 16-bit signed */ 2023 if (ireq->i_val == 0 || 2024 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2025 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2026 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2027 isclr(ic->ic_chan_active, ireq->i_val)) { 2028 return EINVAL; 2029 } else 2030 ic->ic_ibss_chan = ic->ic_des_chan = 2031 &ic->ic_channels[ireq->i_val]; 2032 switch (ic->ic_state) { 2033 case IEEE80211_S_INIT: 2034 case IEEE80211_S_SCAN: 2035 error = ENETRESET; 2036 break; 2037 default: 2038 /* 2039 * If the desired channel has changed (to something 2040 * other than any) and we're not already scanning, 2041 * then kick the state machine. 2042 */ 2043 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2044 ic->ic_bss->ni_chan != ic->ic_des_chan && 2045 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2046 error = ENETRESET; 2047 break; 2048 } 2049 if (error == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR) 2050 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2051 break; 2052 case IEEE80211_IOC_POWERSAVE: 2053 switch (ireq->i_val) { 2054 case IEEE80211_POWERSAVE_OFF: 2055 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2056 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2057 error = ENETRESET; 2058 } 2059 break; 2060 case IEEE80211_POWERSAVE_ON: 2061 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2062 error = EINVAL; 2063 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2064 ic->ic_flags |= IEEE80211_F_PMGTON; 2065 error = ENETRESET; 2066 } 2067 break; 2068 default: 2069 error = EINVAL; 2070 break; 2071 } 2072 break; 2073 case IEEE80211_IOC_POWERSAVESLEEP: 2074 if (ireq->i_val < 0) 2075 return EINVAL; 2076 ic->ic_lintval = ireq->i_val; 2077 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2078 break; 2079 case IEEE80211_IOC_RTSTHRESHOLD: 2080 if (!(IEEE80211_RTS_MIN < ireq->i_val && 2081 ireq->i_val < IEEE80211_RTS_MAX)) 2082 return EINVAL; 2083 ic->ic_rtsthreshold = ireq->i_val; 2084 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2085 break; 2086 case IEEE80211_IOC_PROTMODE: 2087 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2088 return EINVAL; 2089 ic->ic_protmode = ireq->i_val; 2090 /* NB: if not operating in 11g this can wait */ 2091 if (ic->ic_curmode == IEEE80211_MODE_11G) 2092 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2093 break; 2094 case IEEE80211_IOC_TXPOWER: 2095 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2096 return EINVAL; 2097 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2098 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2099 return EINVAL; 2100 ic->ic_txpowlimit = ireq->i_val; 2101 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2102 break; 2103 case IEEE80211_IOC_ROAMING: 2104 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2105 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2106 return EINVAL; 2107 ic->ic_roaming = ireq->i_val; 2108 /* XXXX reset? */ 2109 break; 2110 case IEEE80211_IOC_PRIVACY: 2111 if (ireq->i_val) { 2112 /* XXX check for key state? */ 2113 ic->ic_flags |= IEEE80211_F_PRIVACY; 2114 } else 2115 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2116 break; 2117 case IEEE80211_IOC_DROPUNENCRYPTED: 2118 if (ireq->i_val) 2119 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2120 else 2121 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2122 break; 2123 case IEEE80211_IOC_WPAKEY: 2124 error = ieee80211_ioctl_setkey(ic, ireq); 2125 break; 2126 case IEEE80211_IOC_DELKEY: 2127 error = ieee80211_ioctl_delkey(ic, ireq); 2128 break; 2129 case IEEE80211_IOC_MLME: 2130 error = ieee80211_ioctl_setmlme(ic, ireq); 2131 break; 2132 case IEEE80211_IOC_OPTIE: 2133 error = ieee80211_ioctl_setoptie(ic, ireq); 2134 break; 2135 case IEEE80211_IOC_COUNTERMEASURES: 2136 if (ireq->i_val) { 2137 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2138 return EINVAL; 2139 ic->ic_flags |= IEEE80211_F_COUNTERM; 2140 } else 2141 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2142 break; 2143 case IEEE80211_IOC_WPA: 2144 if (ireq->i_val > 3) 2145 return EINVAL; 2146 /* XXX verify ciphers available */ 2147 ic->ic_flags &= ~IEEE80211_F_WPA; 2148 switch (ireq->i_val) { 2149 case 1: 2150 ic->ic_flags |= IEEE80211_F_WPA1; 2151 break; 2152 case 2: 2153 ic->ic_flags |= IEEE80211_F_WPA2; 2154 break; 2155 case 3: 2156 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2157 break; 2158 } 2159 error = ENETRESET; /* XXX? */ 2160 break; 2161 case IEEE80211_IOC_WME: 2162 if (ireq->i_val) { 2163 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2164 return EINVAL; 2165 ic->ic_flags |= IEEE80211_F_WME; 2166 } else 2167 ic->ic_flags &= ~IEEE80211_F_WME; 2168 error = ENETRESET; /* XXX maybe not for station? */ 2169 break; 2170 case IEEE80211_IOC_HIDESSID: 2171 if (ireq->i_val) 2172 ic->ic_flags |= IEEE80211_F_HIDESSID; 2173 else 2174 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2175 error = ENETRESET; 2176 break; 2177 case IEEE80211_IOC_APBRIDGE: 2178 if (ireq->i_val == 0) 2179 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2180 else 2181 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2182 break; 2183 case IEEE80211_IOC_MCASTCIPHER: 2184 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2185 !ieee80211_crypto_available(ireq->i_val)) 2186 return EINVAL; 2187 rsn->rsn_mcastcipher = ireq->i_val; 2188 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2189 break; 2190 case IEEE80211_IOC_MCASTKEYLEN: 2191 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2192 return EINVAL; 2193 /* XXX no way to verify driver capability */ 2194 rsn->rsn_mcastkeylen = ireq->i_val; 2195 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2196 break; 2197 case IEEE80211_IOC_UCASTCIPHERS: 2198 /* 2199 * Convert user-specified cipher set to the set 2200 * we can support (via hardware or software). 2201 * NB: this logic intentionally ignores unknown and 2202 * unsupported ciphers so folks can specify 0xff or 2203 * similar and get all available ciphers. 2204 */ 2205 caps = 0; 2206 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2207 if ((ireq->i_val & (1<<j)) && 2208 ((ic->ic_caps & cipher2cap(j)) || 2209 ieee80211_crypto_available(j))) 2210 caps |= 1<<j; 2211 if (caps == 0) /* nothing available */ 2212 return EINVAL; 2213 /* XXX verify ciphers ok for unicast use? */ 2214 /* XXX disallow if running as it'll have no effect */ 2215 rsn->rsn_ucastcipherset = caps; 2216 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2217 break; 2218 case IEEE80211_IOC_UCASTCIPHER: 2219 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2220 return EINVAL; 2221 rsn->rsn_ucastcipher = ireq->i_val; 2222 break; 2223 case IEEE80211_IOC_UCASTKEYLEN: 2224 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2225 return EINVAL; 2226 /* XXX no way to verify driver capability */ 2227 rsn->rsn_ucastkeylen = ireq->i_val; 2228 break; 2229 case IEEE80211_IOC_DRIVER_CAPS: 2230 /* NB: for testing */ 2231 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2232 ((u_int16_t) ireq->i_len); 2233 break; 2234 case IEEE80211_IOC_KEYMGTALGS: 2235 /* XXX check */ 2236 rsn->rsn_keymgmtset = ireq->i_val; 2237 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2238 break; 2239 case IEEE80211_IOC_RSNCAPS: 2240 /* XXX check */ 2241 rsn->rsn_caps = ireq->i_val; 2242 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2243 break; 2244 case IEEE80211_IOC_BSSID: 2245 /* NB: should only be set when in STA mode */ 2246 if (ic->ic_opmode != IEEE80211_M_STA) 2247 return EINVAL; 2248 if (ireq->i_len != sizeof(tmpbssid)) 2249 return EINVAL; 2250 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2251 if (error) 2252 break; 2253 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2254 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2255 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2256 else 2257 ic->ic_flags |= IEEE80211_F_DESBSSID; 2258 error = ENETRESET; 2259 break; 2260 case IEEE80211_IOC_CHANLIST: 2261 error = ieee80211_ioctl_setchanlist(ic, ireq); 2262 break; 2263 case IEEE80211_IOC_SCAN_REQ: 2264 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2265 break; 2266 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2267 if (error == 0) /* XXX background scan */ 2268 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2269 break; 2270 case IEEE80211_IOC_ADDMAC: 2271 case IEEE80211_IOC_DELMAC: 2272 error = ieee80211_ioctl_macmac(ic, ireq); 2273 break; 2274 case IEEE80211_IOC_MACCMD: 2275 error = ieee80211_ioctl_maccmd(ic, ireq); 2276 break; 2277 case IEEE80211_IOC_STA_TXPOW: 2278 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2279 break; 2280 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2281 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2282 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2283 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2284 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2285 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2286 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2287 break; 2288 case IEEE80211_IOC_DTIM_PERIOD: 2289 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2290 ic->ic_opmode != IEEE80211_M_IBSS) 2291 return EINVAL; 2292 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2293 ireq->i_val <= IEEE80211_DTIM_MAX) { 2294 ic->ic_dtim_period = ireq->i_val; 2295 error = ENETRESET; /* requires restart */ 2296 } else 2297 error = EINVAL; 2298 break; 2299 case IEEE80211_IOC_BEACON_INTERVAL: 2300 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2301 ic->ic_opmode != IEEE80211_M_IBSS) 2302 return EINVAL; 2303 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2304 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2305 ic->ic_lintval = ireq->i_val; 2306 error = ENETRESET; /* requires restart */ 2307 } else 2308 error = EINVAL; 2309 break; 2310 default: 2311 error = EINVAL; 2312 break; 2313 } 2314 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2315 error = 0; 2316 return error; 2317 } 2318 2319 int 2320 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2321 { 2322 struct ifnet *ifp = ic->ic_ifp; 2323 int error = 0; 2324 struct ifreq *ifr; 2325 struct ifaddr *ifa; /* XXX */ 2326 2327 switch (cmd) { 2328 case SIOCSIFMEDIA: 2329 case SIOCGIFMEDIA: 2330 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2331 &ic->ic_media, cmd); 2332 break; 2333 case SIOCG80211: 2334 error = ieee80211_ioctl_get80211(ic, cmd, 2335 (struct ieee80211req *) data); 2336 break; 2337 case SIOCS80211: 2338 error = suser(curthread); 2339 if (error == 0) 2340 error = ieee80211_ioctl_set80211(ic, cmd, 2341 (struct ieee80211req *) data); 2342 break; 2343 case SIOCGIFGENERIC: 2344 error = ieee80211_cfgget(ic, cmd, data); 2345 break; 2346 case SIOCSIFGENERIC: 2347 error = suser(curthread); 2348 if (error) 2349 break; 2350 error = ieee80211_cfgset(ic, cmd, data); 2351 break; 2352 case SIOCG80211STATS: 2353 ifr = (struct ifreq *)data; 2354 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2355 break; 2356 case SIOCSIFMTU: 2357 ifr = (struct ifreq *)data; 2358 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2359 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2360 error = EINVAL; 2361 else 2362 ifp->if_mtu = ifr->ifr_mtu; 2363 break; 2364 case SIOCSIFADDR: 2365 /* 2366 * XXX Handle this directly so we can supress if_init calls. 2367 * XXX This should be done in ether_ioctl but for the moment 2368 * XXX there are too many other parts of the system that 2369 * XXX set IFF_UP and so supress if_init being called when 2370 * XXX it should be. 2371 */ 2372 ifa = (struct ifaddr *) data; 2373 switch (ifa->ifa_addr->sa_family) { 2374 #ifdef INET 2375 case AF_INET: 2376 if ((ifp->if_flags & IFF_UP) == 0) { 2377 ifp->if_flags |= IFF_UP; 2378 ifp->if_init(ifp->if_softc); 2379 } 2380 arp_ifinit(ifp, ifa); 2381 break; 2382 #endif 2383 #ifdef IPX 2384 /* 2385 * XXX - This code is probably wrong, 2386 * but has been copied many times. 2387 */ 2388 case AF_IPX: { 2389 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2390 struct arpcom *ac = (struct arpcom *)ifp; 2391 2392 if (ipx_nullhost(*ina)) 2393 ina->x_host = *(union ipx_host *) ac->ac_enaddr; 2394 else 2395 bcopy((caddr_t) ina->x_host.c_host, 2396 (caddr_t) ac->ac_enaddr, 2397 sizeof(ac->ac_enaddr)); 2398 /* fall thru... */ 2399 } 2400 #endif 2401 default: 2402 if ((ifp->if_flags & IFF_UP) == 0) { 2403 ifp->if_flags |= IFF_UP; 2404 ifp->if_init(ifp->if_softc); 2405 } 2406 break; 2407 } 2408 break; 2409 default: 2410 error = ether_ioctl(ifp, cmd, data); 2411 break; 2412 } 2413 return error; 2414 } 2415
Indexes created Tue Sep 30 06:09:59 GMT 2025