ieee80211_ioctl.c revision 1.19
1 /* $NetBSD: ieee80211_ioctl.c,v 1.19 2005/06/22 06:16:02 dyoung 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 1.18 2005/01/24 19:32:09 sam Exp $"); 37 #endif 38 #ifdef __NetBSD__ 39 __KERNEL_RCSID(0, "$NetBSD: ieee80211_ioctl.c,v 1.19 2005/06/22 06:16:02 dyoung Exp $"); 40 #endif 41 42 /* 43 * IEEE 802.11 ioctl support (FreeBSD-specific) 44 */ 45 46 #include "opt_inet.h" 47 48 #include <sys/endian.h> 49 #include <sys/param.h> 50 #include <sys/kernel.h> 51 #include <sys/socket.h> 52 #include <sys/sockio.h> 53 #include <sys/systm.h> 54 #include <sys/proc.h> 55 56 #include <net/if.h> 57 #include <net/if_arp.h> 58 #include <net/if_media.h> 59 #include <net/if_ether.h> 60 61 #ifdef INET 62 #include <netinet/in.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #include <net80211/ieee80211_var.h> 67 #include <net80211/ieee80211_ioctl.h> 68 69 #include <dev/ic/wi_ieee.h> 70 71 #define IS_UP(_ic) \ 72 (((_ic)->ic_ifp->if_flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP)) 73 #define IS_UP_AUTO(_ic) \ 74 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 75 76 /* 77 * XXX 78 * Wireless LAN specific configuration interface, which is compatible 79 * with wicontrol(8). 80 */ 81 82 struct wi_read_ap_args { 83 int i; /* result count */ 84 struct wi_apinfo *ap; /* current entry in result buffer */ 85 caddr_t max; /* result buffer bound */ 86 }; 87 88 static void 89 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 90 { 91 struct ieee80211com *ic = ni->ni_ic; 92 struct wi_read_ap_args *sa = arg; 93 struct wi_apinfo *ap = sa->ap; 94 struct ieee80211_rateset *rs; 95 int j; 96 97 if ((caddr_t)(ap + 1) > sa->max) 98 return; 99 memset(ap, 0, sizeof(struct wi_apinfo)); 100 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 101 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 102 ap->namelen = ic->ic_des_esslen; 103 if (ic->ic_des_esslen) 104 memcpy(ap->name, ic->ic_des_essid, 105 ic->ic_des_esslen); 106 } else { 107 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 108 ap->namelen = ni->ni_esslen; 109 if (ni->ni_esslen) 110 memcpy(ap->name, ni->ni_essid, 111 ni->ni_esslen); 112 } 113 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 114 ap->signal = ic->ic_node_getrssi(ni); 115 ap->capinfo = ni->ni_capinfo; 116 ap->interval = ni->ni_intval; 117 rs = &ni->ni_rates; 118 for (j = 0; j < rs->rs_nrates; j++) { 119 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 120 ap->rate = (rs->rs_rates[j] & 121 IEEE80211_RATE_VAL) * 5; /* XXX */ 122 } 123 } 124 sa->i++; 125 sa->ap++; 126 } 127 128 struct wi_read_prism2_args { 129 int i; /* result count */ 130 struct wi_scan_res *res;/* current entry in result buffer */ 131 caddr_t max; /* result buffer bound */ 132 }; 133 134 #if 0 135 static void 136 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 137 { 138 struct ieee80211com *ic = ni->ni_ic; 139 struct wi_read_prism2_args *sa = arg; 140 struct wi_scan_res *res = sa->res; 141 142 if ((caddr_t)(res + 1) > sa->max) 143 return; 144 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 145 res->wi_noise = 0; 146 res->wi_signal = ic->ic_node_getrssi(ni); 147 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 148 res->wi_interval = ni->ni_intval; 149 res->wi_capinfo = ni->ni_capinfo; 150 res->wi_ssid_len = ni->ni_esslen; 151 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 152 /* NB: assumes wi_srates holds <= ni->ni_rates */ 153 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 154 sizeof(res->wi_srates)); 155 if (ni->ni_rates.rs_nrates < 10) 156 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 157 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 158 res->wi_rsvd = 0; 159 160 sa->i++; 161 sa->res++; 162 } 163 164 struct wi_read_sigcache_args { 165 int i; /* result count */ 166 struct wi_sigcache *wsc;/* current entry in result buffer */ 167 caddr_t max; /* result buffer bound */ 168 }; 169 170 static void 171 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 172 { 173 struct ieee80211com *ic = ni->ni_ic; 174 struct wi_read_sigcache_args *sa = arg; 175 struct wi_sigcache *wsc = sa->wsc; 176 177 if ((caddr_t)(wsc + 1) > sa->max) 178 return; 179 memset(wsc, 0, sizeof(struct wi_sigcache)); 180 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 181 wsc->signal = ic->ic_node_getrssi(ni); 182 183 sa->wsc++; 184 sa->i++; 185 } 186 #endif 187 188 int 189 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data) 190 { 191 struct ifnet *ifp = ic->ic_ifp; 192 int i, j, error; 193 struct ifreq *ifr = (struct ifreq *)data; 194 struct wi_req wreq; 195 struct wi_ltv_keys *keys; 196 197 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 198 if (error) 199 return error; 200 wreq.wi_len = 0; 201 switch (wreq.wi_type) { 202 case WI_RID_SERIALNO: 203 case WI_RID_STA_IDENTITY: 204 /* nothing appropriate */ 205 break; 206 case WI_RID_NODENAME: 207 strlcpy((char *)&wreq.wi_val[1], hostname, 208 sizeof(wreq.wi_val) - sizeof(wreq.wi_val[0])); 209 wreq.wi_val[0] = htole16(strlen(hostname)); 210 wreq.wi_len = (1 + strlen(hostname) + 1) / 2; 211 break; 212 case WI_RID_CURRENT_SSID: 213 if (ic->ic_state != IEEE80211_S_RUN) { 214 wreq.wi_val[0] = 0; 215 wreq.wi_len = 1; 216 break; 217 } 218 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen); 219 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid, 220 ic->ic_bss->ni_esslen); 221 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 222 break; 223 case WI_RID_OWN_SSID: 224 case WI_RID_DESIRED_SSID: 225 wreq.wi_val[0] = htole16(ic->ic_des_esslen); 226 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 227 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2; 228 break; 229 case WI_RID_CURRENT_BSSID: 230 if (ic->ic_state == IEEE80211_S_RUN) 231 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid); 232 else 233 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN); 234 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 235 break; 236 case WI_RID_CHANNEL_LIST: 237 memset(wreq.wi_val, 0, sizeof(wreq.wi_val)); 238 /* 239 * Since channel 0 is not available for DS, channel 1 240 * is assigned to LSB on WaveLAN. 241 */ 242 if (ic->ic_phytype == IEEE80211_T_DS) 243 i = 1; 244 else 245 i = 0; 246 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 247 if (isset(ic->ic_chan_active, i)) { 248 setbit((u_int8_t *)wreq.wi_val, j); 249 wreq.wi_len = j / 16 + 1; 250 } 251 break; 252 case WI_RID_OWN_CHNL: 253 wreq.wi_val[0] = htole16( 254 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 255 wreq.wi_len = 1; 256 break; 257 case WI_RID_CURRENT_CHAN: 258 wreq.wi_val[0] = htole16( 259 ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan)); 260 wreq.wi_len = 1; 261 break; 262 case WI_RID_COMMS_QUALITY: 263 wreq.wi_val[0] = 0; /* quality */ 264 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 265 wreq.wi_val[2] = 0; /* noise */ 266 wreq.wi_len = 3; 267 break; 268 case WI_RID_PROMISC: 269 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 270 wreq.wi_len = 1; 271 break; 272 case WI_RID_PORTTYPE: 273 wreq.wi_val[0] = htole16(ic->ic_opmode); 274 wreq.wi_len = 1; 275 break; 276 case WI_RID_MAC_NODE: 277 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr); 278 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 279 break; 280 case WI_RID_TX_RATE: 281 if (ic->ic_fixed_rate == -1) 282 wreq.wi_val[0] = 0; /* auto */ 283 else 284 wreq.wi_val[0] = htole16( 285 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 286 IEEE80211_RATE_VAL) / 2); 287 wreq.wi_len = 1; 288 break; 289 case WI_RID_CUR_TX_RATE: 290 wreq.wi_val[0] = htole16( 291 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 292 IEEE80211_RATE_VAL) / 2); 293 wreq.wi_len = 1; 294 break; 295 case WI_RID_FRAG_THRESH: 296 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 297 wreq.wi_len = 1; 298 break; 299 case WI_RID_RTS_THRESH: 300 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold); 301 wreq.wi_len = 1; 302 break; 303 case WI_RID_CREATE_IBSS: 304 wreq.wi_val[0] = 305 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 306 wreq.wi_len = 1; 307 break; 308 case WI_RID_MICROWAVE_OVEN: 309 wreq.wi_val[0] = 0; /* no ... not supported */ 310 wreq.wi_len = 1; 311 break; 312 case WI_RID_ROAMING_MODE: 313 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 314 wreq.wi_len = 1; 315 break; 316 case WI_RID_SYSTEM_SCALE: 317 wreq.wi_val[0] = htole16(1); /* low density ... not supp */ 318 wreq.wi_len = 1; 319 break; 320 case WI_RID_PM_ENABLED: 321 wreq.wi_val[0] = 322 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 323 wreq.wi_len = 1; 324 break; 325 case WI_RID_MAX_SLEEP: 326 wreq.wi_val[0] = htole16(ic->ic_lintval); 327 wreq.wi_len = 1; 328 break; 329 case WI_RID_CUR_BEACON_INT: 330 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval); 331 wreq.wi_len = 1; 332 break; 333 case WI_RID_WEP_AVAIL: 334 wreq.wi_val[0] = htole16(1); /* always available */ 335 wreq.wi_len = 1; 336 break; 337 case WI_RID_CNFAUTHMODE: 338 wreq.wi_val[0] = htole16(1); /* TODO: open system only */ 339 wreq.wi_len = 1; 340 break; 341 case WI_RID_ENCRYPTION: 342 wreq.wi_val[0] = 343 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 344 wreq.wi_len = 1; 345 break; 346 case WI_RID_TX_CRYPT_KEY: 347 wreq.wi_val[0] = htole16(ic->ic_def_txkey); 348 wreq.wi_len = 1; 349 break; 350 case WI_RID_DEFLT_CRYPT_KEYS: 351 keys = (struct wi_ltv_keys *)&wreq; 352 /* do not show keys to non-root user */ 353 error = suser(curproc->p_ucred, &curproc->p_acflag); 354 if (error) { 355 memset(keys, 0, sizeof(*keys)); 356 error = 0; 357 break; 358 } 359 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 360 keys->wi_keys[i].wi_keylen = 361 htole16(ic->ic_nw_keys[i].wk_keylen); 362 memcpy(keys->wi_keys[i].wi_keydat, 363 ic->ic_nw_keys[i].wk_key, 364 ic->ic_nw_keys[i].wk_keylen); 365 } 366 wreq.wi_len = sizeof(*keys) / 2; 367 break; 368 case WI_RID_MAX_DATALEN: 369 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 370 wreq.wi_len = 1; 371 break; 372 case WI_RID_DBM_ADJUST: 373 /* not supported, we just pass rssi value from driver. */ 374 break; 375 case WI_RID_IFACE_STATS: 376 /* XXX: should be implemented in lower drivers */ 377 break; 378 case WI_RID_READ_APS: 379 /* 380 * Don't return results until active scan completes. 381 */ 382 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 383 struct wi_read_ap_args args; 384 385 args.i = 0; 386 args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); 387 args.max = (void *)(&wreq + 1); 388 ieee80211_iterate_nodes(&ic->ic_scan, 389 wi_read_ap_result, &args); 390 memcpy(wreq.wi_val, &args.i, sizeof(args.i)); 391 wreq.wi_len = (sizeof(int) + 392 sizeof(struct wi_apinfo) * args.i) / 2; 393 } else 394 error = EINPROGRESS; 395 break; 396 #if 0 397 case WI_RID_SCAN_RES: /* compatibility interface */ 398 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 399 struct wi_read_prism2_args args; 400 struct wi_scan_p2_hdr *p2; 401 402 /* NB: use Prism2 format so we can include rate info */ 403 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; 404 args.i = 0; 405 args.res = (void *)&p2[1]; 406 args.max = (void *)(&wreq + 1); 407 ieee80211_iterate_nodes(&ic->ic_scan, 408 wi_read_prism2_result, &args); 409 p2->wi_rsvd = 0; 410 p2->wi_reason = args.i; 411 wreq.wi_len = (sizeof(*p2) + 412 sizeof(struct wi_scan_res) * args.i) / 2; 413 } else 414 error = EINPROGRESS; 415 break; 416 case WI_RID_READ_CACHE: { 417 struct wi_read_sigcache_args args; 418 args.i = 0; 419 args.wsc = (struct wi_sigcache *) wreq.wi_val; 420 args.max = (void *)(&wreq + 1); 421 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 422 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 423 break; 424 } 425 #endif 426 default: 427 error = EINVAL; 428 break; 429 } 430 if (error == 0) { 431 wreq.wi_len++; 432 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 433 } 434 return error; 435 } 436 437 static int 438 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 439 { 440 #define IEEERATE(_ic,_m,_i) \ 441 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 442 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 443 for (i = 0; i < nrates; i++) 444 if (IEEERATE(ic, mode, i) == rate) 445 return i; 446 return -1; 447 #undef IEEERATE 448 } 449 450 /* 451 * Prepare to do a user-initiated scan for AP's. If no 452 * current/default channel is setup or the current channel 453 * is invalid then pick the first available channel from 454 * the active list as the place to start the scan. 455 */ 456 static int 457 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 458 { 459 int i; 460 461 /* 462 * XXX don't permit a scan to be started unless we 463 * know the device is ready. For the moment this means 464 * the device is marked up as this is the required to 465 * initialize the hardware. It would be better to permit 466 * scanning prior to being up but that'll require some 467 * changes to the infrastructure. 468 */ 469 if (!IS_UP(ic)) 470 return EINVAL; 471 if (ic->ic_ibss_chan == NULL || 472 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 473 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 474 if (isset(chanlist, i)) { 475 ic->ic_ibss_chan = &ic->ic_channels[i]; 476 goto found; 477 } 478 return EINVAL; /* no active channels */ 479 found: 480 ; 481 } 482 if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC || 483 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan))) 484 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 485 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 486 /* 487 * We force the state to INIT before calling ieee80211_new_state 488 * to get ieee80211_begin_scan called. We really want to scan w/o 489 * altering the current state but that's not possible right now. 490 */ 491 /* XXX handle proberequest case */ 492 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 493 return 0; 494 } 495 496 int 497 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) 498 { 499 struct ifnet *ifp = ic->ic_ifp; 500 int i, j, len, error, rate; 501 struct ifreq *ifr = (struct ifreq *)data; 502 struct wi_ltv_keys *keys; 503 struct wi_req wreq; 504 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)]; 505 506 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 507 if (error) 508 return error; 509 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0; 510 switch (wreq.wi_type) { 511 case WI_RID_SERIALNO: 512 case WI_RID_NODENAME: 513 return EPERM; 514 case WI_RID_CURRENT_SSID: 515 return EPERM; 516 case WI_RID_OWN_SSID: 517 case WI_RID_DESIRED_SSID: 518 if (le16toh(wreq.wi_val[0]) * 2 > len || 519 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) { 520 error = ENOSPC; 521 break; 522 } 523 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 524 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2; 525 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen); 526 error = ENETRESET; 527 break; 528 case WI_RID_CURRENT_BSSID: 529 return EPERM; 530 case WI_RID_OWN_CHNL: 531 if (len != 2) 532 return EINVAL; 533 i = le16toh(wreq.wi_val[0]); 534 if (i < 0 || 535 i > IEEE80211_CHAN_MAX || 536 isclr(ic->ic_chan_active, i)) 537 return EINVAL; 538 ic->ic_ibss_chan = &ic->ic_channels[i]; 539 if (ic->ic_opmode == IEEE80211_M_MONITOR) 540 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 541 else 542 error = ENETRESET; 543 break; 544 case WI_RID_CURRENT_CHAN: 545 return EPERM; 546 case WI_RID_COMMS_QUALITY: 547 return EPERM; 548 case WI_RID_PROMISC: 549 if (len != 2) 550 return EINVAL; 551 if (ifp->if_flags & IFF_PROMISC) { 552 if (wreq.wi_val[0] == 0) { 553 ifp->if_flags &= ~IFF_PROMISC; 554 error = ENETRESET; 555 } 556 } else { 557 if (wreq.wi_val[0] != 0) { 558 ifp->if_flags |= IFF_PROMISC; 559 error = ENETRESET; 560 } 561 } 562 break; 563 case WI_RID_PORTTYPE: 564 if (len != 2) 565 return EINVAL; 566 switch (le16toh(wreq.wi_val[0])) { 567 case IEEE80211_M_STA: 568 break; 569 case IEEE80211_M_IBSS: 570 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 571 return EINVAL; 572 break; 573 case IEEE80211_M_AHDEMO: 574 if (ic->ic_phytype != IEEE80211_T_DS || 575 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 576 return EINVAL; 577 break; 578 case IEEE80211_M_HOSTAP: 579 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 580 return EINVAL; 581 break; 582 default: 583 return EINVAL; 584 } 585 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) { 586 ic->ic_opmode = le16toh(wreq.wi_val[0]); 587 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 588 } 589 break; 590 #if 0 591 case WI_RID_MAC_NODE: 592 if (len != IEEE80211_ADDR_LEN) 593 return EINVAL; 594 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val); 595 /* if_init will copy lladdr into ic_myaddr */ 596 error = ENETRESET; 597 break; 598 #endif 599 case WI_RID_TX_RATE: 600 if (len != 2) 601 return EINVAL; 602 if (wreq.wi_val[0] == 0) { 603 /* auto */ 604 ic->ic_fixed_rate = -1; 605 break; 606 } 607 rate = 2 * le16toh(wreq.wi_val[0]); 608 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 609 /* 610 * In autoselect mode search for the rate. We take 611 * the first instance which may not be right, but we 612 * are limited by the interface. Note that we also 613 * lock the mode to insure the rate is meaningful 614 * when it is used. 615 */ 616 for (j = IEEE80211_MODE_11A; 617 j < IEEE80211_MODE_MAX; j++) { 618 if ((ic->ic_modecaps & (1<<j)) == 0) 619 continue; 620 i = findrate(ic, j, rate); 621 if (i != -1) { 622 /* lock mode too */ 623 ic->ic_curmode = j; 624 goto setrate; 625 } 626 } 627 } else { 628 i = findrate(ic, ic->ic_curmode, rate); 629 if (i != -1) 630 goto setrate; 631 } 632 return EINVAL; 633 setrate: 634 ic->ic_fixed_rate = i; 635 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 636 break; 637 case WI_RID_CUR_TX_RATE: 638 return EPERM; 639 case WI_RID_FRAG_THRESH: 640 if (len != 2) 641 return EINVAL; 642 ic->ic_fragthreshold = le16toh(wreq.wi_val[0]); 643 error = ENETRESET; 644 break; 645 case WI_RID_RTS_THRESH: 646 if (len != 2) 647 return EINVAL; 648 ic->ic_rtsthreshold = le16toh(wreq.wi_val[0]); 649 error = ENETRESET; 650 break; 651 case WI_RID_CREATE_IBSS: 652 if (len != 2) 653 return EINVAL; 654 if (wreq.wi_val[0] != 0) { 655 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 656 return EINVAL; 657 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 658 ic->ic_flags |= IEEE80211_F_IBSSON; 659 if (ic->ic_opmode == IEEE80211_M_IBSS && 660 ic->ic_state == IEEE80211_S_SCAN) 661 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 662 } 663 } else { 664 if (ic->ic_flags & IEEE80211_F_IBSSON) { 665 ic->ic_flags &= ~IEEE80211_F_IBSSON; 666 if (ic->ic_flags & IEEE80211_F_SIBSS) { 667 ic->ic_flags &= ~IEEE80211_F_SIBSS; 668 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 669 } 670 } 671 } 672 break; 673 case WI_RID_MICROWAVE_OVEN: 674 if (len != 2) 675 return EINVAL; 676 if (wreq.wi_val[0] != 0) 677 return EINVAL; /* not supported */ 678 break; 679 case WI_RID_ROAMING_MODE: 680 if (len != 2) 681 return EINVAL; 682 i = le16toh(wreq.wi_val[0]); 683 if (i > IEEE80211_ROAMING_MANUAL) 684 return EINVAL; /* not supported */ 685 ic->ic_roaming = i; 686 break; 687 case WI_RID_SYSTEM_SCALE: 688 if (len != 2) 689 return EINVAL; 690 if (le16toh(wreq.wi_val[0]) != 1) 691 return EINVAL; /* not supported */ 692 break; 693 case WI_RID_PM_ENABLED: 694 if (len != 2) 695 return EINVAL; 696 if (wreq.wi_val[0] != 0) { 697 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 698 return EINVAL; 699 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 700 ic->ic_flags |= IEEE80211_F_PMGTON; 701 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 702 } 703 } else { 704 if (ic->ic_flags & IEEE80211_F_PMGTON) { 705 ic->ic_flags &= ~IEEE80211_F_PMGTON; 706 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 707 } 708 } 709 break; 710 case WI_RID_MAX_SLEEP: 711 if (len != 2) 712 return EINVAL; 713 ic->ic_lintval = le16toh(wreq.wi_val[0]); 714 if (ic->ic_flags & IEEE80211_F_PMGTON) 715 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 716 break; 717 case WI_RID_CUR_BEACON_INT: 718 return EPERM; 719 case WI_RID_WEP_AVAIL: 720 return EPERM; 721 case WI_RID_CNFAUTHMODE: 722 if (len != 2) 723 return EINVAL; 724 i = le16toh(wreq.wi_val[0]); 725 if (i > IEEE80211_AUTH_WPA) 726 return EINVAL; 727 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 728 error = ENETRESET; 729 break; 730 case WI_RID_ENCRYPTION: 731 if (len != 2) 732 return EINVAL; 733 if (wreq.wi_val[0] != 0) { 734 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 735 return EINVAL; 736 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 737 ic->ic_flags |= IEEE80211_F_PRIVACY; 738 error = ENETRESET; 739 } 740 } else { 741 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 742 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 743 error = ENETRESET; 744 } 745 } 746 break; 747 case WI_RID_TX_CRYPT_KEY: 748 if (len != 2) 749 return EINVAL; 750 i = le16toh(wreq.wi_val[0]); 751 if (i >= IEEE80211_WEP_NKID) 752 return EINVAL; 753 ic->ic_def_txkey = i; 754 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 755 break; 756 case WI_RID_DEFLT_CRYPT_KEYS: 757 if (len != sizeof(struct wi_ltv_keys)) 758 return EINVAL; 759 keys = (struct wi_ltv_keys *)&wreq; 760 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 761 len = le16toh(keys->wi_keys[i].wi_keylen); 762 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 763 return EINVAL; 764 if (len > IEEE80211_KEYBUF_SIZE) 765 return EINVAL; 766 } 767 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 768 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 769 770 len = le16toh(keys->wi_keys[i].wi_keylen); 771 k->wk_keylen = len; 772 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 773 memset(k->wk_key, 0, sizeof(k->wk_key)); 774 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 775 #if 0 776 k->wk_type = IEEE80211_CIPHER_WEP; 777 #endif 778 } 779 error = ENETRESET; 780 break; 781 case WI_RID_MAX_DATALEN: 782 if (len != 2) 783 return EINVAL; 784 len = le16toh(wreq.wi_val[0]); 785 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 786 return EINVAL; 787 ic->ic_fragthreshold = len; 788 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 789 break; 790 case WI_RID_IFACE_STATS: 791 error = EPERM; 792 break; 793 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 794 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 795 break; 796 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 797 if (error == 0) 798 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 799 break; 800 case WI_RID_SCAN_APS: 801 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 802 break; 803 len--; /* XXX: tx rate? */ 804 /* FALLTHRU */ 805 case WI_RID_CHANNEL_LIST: 806 memset(chanlist, 0, sizeof(chanlist)); 807 /* 808 * Since channel 0 is not available for DS, channel 1 809 * is assigned to LSB on WaveLAN. 810 */ 811 if (ic->ic_phytype == IEEE80211_T_DS) 812 i = 1; 813 else 814 i = 0; 815 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 816 if ((j / 8) >= len) 817 break; 818 if (isclr((u_int8_t *)wreq.wi_val, j)) 819 continue; 820 if (isclr(ic->ic_chan_active, i)) { 821 if (wreq.wi_type != WI_RID_CHANNEL_LIST) 822 continue; 823 if (isclr(ic->ic_chan_avail, i)) 824 return EPERM; 825 } 826 setbit(chanlist, i); 827 } 828 error = ieee80211_setupscan(ic, chanlist); 829 if (wreq.wi_type == WI_RID_CHANNEL_LIST) { 830 /* NB: ignore error from ieee80211_setupscan */ 831 error = ENETRESET; 832 } else if (error == 0) 833 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 834 break; 835 default: 836 error = EINVAL; 837 break; 838 } 839 if (error == ENETRESET && !IS_UP_AUTO(ic)) 840 error = 0; 841 return error; 842 } 843 844 static struct ieee80211_channel * 845 getcurchan(struct ieee80211com *ic) 846 { 847 switch (ic->ic_state) { 848 case IEEE80211_S_INIT: 849 case IEEE80211_S_SCAN: 850 return ic->ic_des_chan; 851 default: 852 return ic->ic_ibss_chan; 853 } 854 } 855 856 static int 857 cap2cipher(int flag) 858 { 859 switch (flag) { 860 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 861 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 862 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 863 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 864 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 865 } 866 return -1; 867 } 868 869 static int 870 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 871 { 872 struct ieee80211_node *ni; 873 struct ieee80211req_key ik; 874 struct ieee80211_key *wk; 875 const struct ieee80211_cipher *cip; 876 u_int kid; 877 int error; 878 879 if (ireq->i_len != sizeof(ik)) 880 return EINVAL; 881 error = copyin(ireq->i_data, &ik, sizeof(ik)); 882 if (error) 883 return error; 884 kid = ik.ik_keyix; 885 if (kid == IEEE80211_KEYIX_NONE) { 886 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 887 if (ni == NULL) 888 return EINVAL; /* XXX */ 889 wk = &ni->ni_ucastkey; 890 } else { 891 if (kid >= IEEE80211_WEP_NKID) 892 return EINVAL; 893 wk = &ic->ic_nw_keys[kid]; 894 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 895 ni = NULL; 896 } 897 cip = wk->wk_cipher; 898 ik.ik_type = cip->ic_cipher; 899 ik.ik_keylen = wk->wk_keylen; 900 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 901 if (wk->wk_keyix == ic->ic_def_txkey) 902 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 903 if (suser(curproc->p_ucred, &curproc->p_acflag) == 0) { 904 /* NB: only root can read key data */ 905 ik.ik_keyrsc = wk->wk_keyrsc; 906 ik.ik_keytsc = wk->wk_keytsc; 907 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 908 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 909 memcpy(ik.ik_keydata+wk->wk_keylen, 910 wk->wk_key + IEEE80211_KEYBUF_SIZE, 911 IEEE80211_MICBUF_SIZE); 912 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 913 } 914 } else { 915 ik.ik_keyrsc = 0; 916 ik.ik_keytsc = 0; 917 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 918 } 919 if (ni != NULL) 920 ieee80211_free_node(ni); 921 return copyout(&ik, ireq->i_data, sizeof(ik)); 922 } 923 924 static int 925 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 926 { 927 928 if (sizeof(ic->ic_chan_active) > ireq->i_len) 929 ireq->i_len = sizeof(ic->ic_chan_active); 930 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 931 } 932 933 static int 934 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 935 { 936 struct ieee80211req_chaninfo chans; /* XXX off stack? */ 937 int i, space; 938 939 /* 940 * Since channel 0 is not available for DS, channel 1 941 * is assigned to LSB on WaveLAN. 942 */ 943 if (ic->ic_phytype == IEEE80211_T_DS) 944 i = 1; 945 else 946 i = 0; 947 memset(&chans, 0, sizeof(chans)); 948 for (; i <= IEEE80211_CHAN_MAX; i++) 949 if (isset(ic->ic_chan_avail, i)) { 950 struct ieee80211_channel *c = &ic->ic_channels[i]; 951 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; 952 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; 953 chans.ic_nchans++; 954 } 955 space = __offsetof(struct ieee80211req_chaninfo, 956 ic_chans[chans.ic_nchans]); 957 if (space > ireq->i_len) 958 space = ireq->i_len; 959 return copyout(&chans, ireq->i_data, space); 960 } 961 962 static int 963 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 964 { 965 struct ieee80211_node *ni; 966 struct ieee80211req_wpaie wpaie; 967 int error; 968 969 if (ireq->i_len < IEEE80211_ADDR_LEN) 970 return EINVAL; 971 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 972 if (error != 0) 973 return error; 974 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 975 if (ni == NULL) 976 return EINVAL; /* XXX */ 977 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 978 if (ni->ni_wpa_ie != NULL) { 979 int ielen = ni->ni_wpa_ie[1] + 2; 980 if (ielen > sizeof(wpaie.wpa_ie)) 981 ielen = sizeof(wpaie.wpa_ie); 982 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 983 } 984 ieee80211_free_node(ni); 985 if (ireq->i_len > sizeof(wpaie)) 986 ireq->i_len = sizeof(wpaie); 987 return copyout(&wpaie, ireq->i_data, ireq->i_len); 988 } 989 990 static int 991 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 992 { 993 struct ieee80211_node *ni; 994 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 995 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 996 int error; 997 998 if (ireq->i_len < off) 999 return EINVAL; 1000 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1001 if (error != 0) 1002 return error; 1003 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 1004 if (ni == NULL) 1005 return EINVAL; /* XXX */ 1006 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 1007 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 1008 /* NB: copy out only the statistics */ 1009 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 1010 ireq->i_len - off); 1011 ieee80211_free_node(ni); 1012 return error; 1013 } 1014 1015 static void 1016 get_scan_result(struct ieee80211req_scan_result *sr, 1017 const struct ieee80211_node *ni) 1018 { 1019 struct ieee80211com *ic = ni->ni_ic; 1020 1021 memset(sr, 0, sizeof(*sr)); 1022 sr->isr_ssid_len = ni->ni_esslen; 1023 if (ni->ni_wpa_ie != NULL) 1024 sr->isr_ie_len += 2+ni->ni_wpa_ie[1]; 1025 if (ni->ni_wme_ie != NULL) 1026 sr->isr_ie_len += 2+ni->ni_wme_ie[1]; 1027 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1028 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1029 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1030 sr->isr_freq = ni->ni_chan->ic_freq; 1031 sr->isr_flags = ni->ni_chan->ic_flags; 1032 } 1033 sr->isr_rssi = ic->ic_node_getrssi(ni); 1034 sr->isr_intval = ni->ni_intval; 1035 sr->isr_capinfo = ni->ni_capinfo; 1036 sr->isr_erp = ni->ni_erp; 1037 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1038 sr->isr_nrates = ni->ni_rates.rs_nrates; 1039 if (sr->isr_nrates > 15) 1040 sr->isr_nrates = 15; 1041 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1042 } 1043 1044 static int 1045 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1046 { 1047 union { 1048 struct ieee80211req_scan_result res; 1049 char data[512]; /* XXX shrink? */ 1050 } u; 1051 struct ieee80211req_scan_result *sr = &u.res; 1052 struct ieee80211_node_table *nt; 1053 struct ieee80211_node *ni; 1054 int error, space; 1055 u_int8_t *p, *cp; 1056 1057 p = ireq->i_data; 1058 space = ireq->i_len; 1059 error = 0; 1060 /* XXX locking */ 1061 nt = &ic->ic_scan; 1062 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1063 /* NB: skip pre-scan node state */ 1064 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1065 continue; 1066 get_scan_result(sr, ni); 1067 if (sr->isr_len > sizeof(u)) 1068 continue; /* XXX */ 1069 if (space < sr->isr_len) 1070 break; 1071 cp = (u_int8_t *)(sr+1); 1072 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1073 cp += ni->ni_esslen; 1074 if (ni->ni_wpa_ie != NULL) { 1075 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1076 cp += 2+ni->ni_wpa_ie[1]; 1077 } 1078 if (ni->ni_wme_ie != NULL) { 1079 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1080 cp += 2+ni->ni_wme_ie[1]; 1081 } 1082 error = copyout(sr, p, sr->isr_len); 1083 if (error) 1084 break; 1085 p += sr->isr_len; 1086 space -= sr->isr_len; 1087 } 1088 ireq->i_len -= space; 1089 return error; 1090 } 1091 1092 static void 1093 get_sta_info(struct ieee80211req_sta_info *si, const struct ieee80211_node *ni) 1094 { 1095 struct ieee80211com *ic = ni->ni_ic; 1096 1097 si->isi_ie_len = 0; 1098 if (ni->ni_wpa_ie != NULL) 1099 si->isi_ie_len += 2+ni->ni_wpa_ie[1]; 1100 if (ni->ni_wme_ie != NULL) 1101 si->isi_ie_len += 2+ni->ni_wme_ie[1]; 1102 si->isi_len = sizeof(*si) + si->isi_ie_len, sizeof(u_int32_t); 1103 si->isi_len = roundup(si->isi_len, sizeof(u_int32_t)); 1104 si->isi_freq = ni->ni_chan->ic_freq; 1105 si->isi_flags = ni->ni_chan->ic_flags; 1106 si->isi_state = ni->ni_flags; 1107 si->isi_authmode = ni->ni_authmode; 1108 si->isi_rssi = ic->ic_node_getrssi(ni); 1109 si->isi_capinfo = ni->ni_capinfo; 1110 si->isi_erp = ni->ni_erp; 1111 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1112 si->isi_nrates = ni->ni_rates.rs_nrates; 1113 if (si->isi_nrates > 15) 1114 si->isi_nrates = 15; 1115 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1116 si->isi_txrate = ni->ni_txrate; 1117 si->isi_associd = ni->ni_associd; 1118 si->isi_txpower = ni->ni_txpower; 1119 si->isi_vlan = ni->ni_vlan; 1120 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1121 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1122 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1123 } else { 1124 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1125 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1126 } 1127 if (ic->ic_opmode == IEEE80211_M_IBSS || ni->ni_associd != 0) 1128 si->isi_inact = ic->ic_inact_run; 1129 else if (ieee80211_node_is_authorized(ni)) 1130 si->isi_inact = ic->ic_inact_auth; 1131 else 1132 si->isi_inact = ic->ic_inact_init; 1133 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1134 } 1135 1136 static int 1137 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1138 { 1139 union { 1140 struct ieee80211req_sta_info info; 1141 char data[512]; /* XXX shrink? */ 1142 } u; 1143 struct ieee80211req_sta_info *si = &u.info; 1144 struct ieee80211_node_table *nt; 1145 struct ieee80211_node *ni; 1146 int error, space; 1147 u_int8_t *p, *cp; 1148 1149 nt = &ic->ic_sta; 1150 p = ireq->i_data; 1151 space = ireq->i_len; 1152 error = 0; 1153 /* XXX locking */ 1154 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1155 get_sta_info(si, ni); 1156 if (si->isi_len > sizeof(u)) 1157 continue; /* XXX */ 1158 if (space < si->isi_len) 1159 break; 1160 cp = (u_int8_t *)(si+1); 1161 if (ni->ni_wpa_ie != NULL) { 1162 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1163 cp += 2+ni->ni_wpa_ie[1]; 1164 } 1165 if (ni->ni_wme_ie != NULL) { 1166 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1167 cp += 2+ni->ni_wme_ie[1]; 1168 } 1169 error = copyout(si, p, si->isi_len); 1170 if (error) 1171 break; 1172 p += si->isi_len; 1173 space -= si->isi_len; 1174 } 1175 ireq->i_len -= space; 1176 return error; 1177 } 1178 1179 static int 1180 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1181 { 1182 struct ieee80211_node *ni; 1183 struct ieee80211req_sta_txpow txpow; 1184 int error; 1185 1186 if (ireq->i_len != sizeof(txpow)) 1187 return EINVAL; 1188 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1189 if (error != 0) 1190 return error; 1191 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1192 if (ni == NULL) 1193 return EINVAL; /* XXX */ 1194 txpow.it_txpow = ni->ni_txpower; 1195 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1196 ieee80211_free_node(ni); 1197 return error; 1198 } 1199 1200 static int 1201 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1202 { 1203 struct ieee80211_wme_state *wme = &ic->ic_wme; 1204 struct wmeParams *wmep; 1205 int ac; 1206 1207 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1208 return EINVAL; 1209 1210 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1211 if (ac >= WME_NUM_AC) 1212 ac = WME_AC_BE; 1213 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1214 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1215 else 1216 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1217 switch (ireq->i_type) { 1218 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1219 ireq->i_val = wmep->wmep_logcwmin; 1220 break; 1221 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1222 ireq->i_val = wmep->wmep_logcwmax; 1223 break; 1224 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1225 ireq->i_val = wmep->wmep_aifsn; 1226 break; 1227 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1228 ireq->i_val = wmep->wmep_txopLimit; 1229 break; 1230 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1231 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1232 ireq->i_val = wmep->wmep_acm; 1233 break; 1234 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1235 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1236 ireq->i_val = !wmep->wmep_noackPolicy; 1237 break; 1238 } 1239 return 0; 1240 } 1241 1242 /* 1243 * When building the kernel with -O2 on the i386 architecture, gcc 1244 * seems to want to inline this function into ieee80211_ioctl() 1245 * (which is the only routine that calls it). When this happens, 1246 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1247 * space. (Exactly why it needs so much is unclear.) The problem 1248 * is that it's possible for ieee80211_ioctl() to invoke other 1249 * routines (including driver init functions) which could then find 1250 * themselves perilously close to exhausting the stack. 1251 * 1252 * To avoid this, we deliberately prevent gcc from inlining this 1253 * routine. Another way to avoid this is to use less agressive 1254 * optimization when compiling this file (i.e. -O instead of -O2) 1255 * but special-casing the compilation of this one module in the 1256 * build system would be awkward. 1257 */ 1258 #ifdef __GNUC__ 1259 __attribute__ ((noinline)) 1260 #endif 1261 static int 1262 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1263 { 1264 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1265 int error = 0; 1266 u_int kid, len, m; 1267 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1268 char tmpssid[IEEE80211_NWID_LEN]; 1269 1270 switch (ireq->i_type) { 1271 case IEEE80211_IOC_SSID: 1272 switch (ic->ic_state) { 1273 case IEEE80211_S_INIT: 1274 case IEEE80211_S_SCAN: 1275 ireq->i_len = ic->ic_des_esslen; 1276 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1277 break; 1278 default: 1279 ireq->i_len = ic->ic_bss->ni_esslen; 1280 memcpy(tmpssid, ic->ic_bss->ni_essid, 1281 ireq->i_len); 1282 break; 1283 } 1284 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1285 break; 1286 case IEEE80211_IOC_NUMSSIDS: 1287 ireq->i_val = 1; 1288 break; 1289 case IEEE80211_IOC_WEP: 1290 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1291 ireq->i_val = IEEE80211_WEP_OFF; 1292 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1293 ireq->i_val = IEEE80211_WEP_ON; 1294 else 1295 ireq->i_val = IEEE80211_WEP_MIXED; 1296 break; 1297 case IEEE80211_IOC_WEPKEY: 1298 kid = (u_int) ireq->i_val; 1299 if (kid >= IEEE80211_WEP_NKID) 1300 return EINVAL; 1301 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1302 /* NB: only root can read WEP keys */ 1303 if (suser(curproc->p_ucred, &curproc->p_acflag) == 0) { 1304 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1305 } else { 1306 bzero(tmpkey, len); 1307 } 1308 ireq->i_len = len; 1309 error = copyout(tmpkey, ireq->i_data, len); 1310 break; 1311 case IEEE80211_IOC_NUMWEPKEYS: 1312 ireq->i_val = IEEE80211_WEP_NKID; 1313 break; 1314 case IEEE80211_IOC_WEPTXKEY: 1315 ireq->i_val = ic->ic_def_txkey; 1316 break; 1317 case IEEE80211_IOC_AUTHMODE: 1318 if (ic->ic_flags & IEEE80211_F_WPA) 1319 ireq->i_val = IEEE80211_AUTH_WPA; 1320 else 1321 ireq->i_val = ic->ic_bss->ni_authmode; 1322 break; 1323 case IEEE80211_IOC_CHANNEL: 1324 ireq->i_val = ieee80211_chan2ieee(ic, getcurchan(ic)); 1325 break; 1326 case IEEE80211_IOC_POWERSAVE: 1327 if (ic->ic_flags & IEEE80211_F_PMGTON) 1328 ireq->i_val = IEEE80211_POWERSAVE_ON; 1329 else 1330 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1331 break; 1332 case IEEE80211_IOC_POWERSAVESLEEP: 1333 ireq->i_val = ic->ic_lintval; 1334 break; 1335 case IEEE80211_IOC_RTSTHRESHOLD: 1336 ireq->i_val = ic->ic_rtsthreshold; 1337 break; 1338 case IEEE80211_IOC_PROTMODE: 1339 ireq->i_val = ic->ic_protmode; 1340 break; 1341 case IEEE80211_IOC_TXPOWER: 1342 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1343 return EINVAL; 1344 ireq->i_val = ic->ic_txpowlimit; 1345 break; 1346 case IEEE80211_IOC_MCASTCIPHER: 1347 ireq->i_val = rsn->rsn_mcastcipher; 1348 break; 1349 case IEEE80211_IOC_MCASTKEYLEN: 1350 ireq->i_val = rsn->rsn_mcastkeylen; 1351 break; 1352 case IEEE80211_IOC_UCASTCIPHERS: 1353 ireq->i_val = 0; 1354 for (m = 0x1; m != 0; m <<= 1) 1355 if (rsn->rsn_ucastcipherset & m) 1356 ireq->i_val |= 1<<cap2cipher(m); 1357 break; 1358 case IEEE80211_IOC_UCASTCIPHER: 1359 ireq->i_val = rsn->rsn_ucastcipher; 1360 break; 1361 case IEEE80211_IOC_UCASTKEYLEN: 1362 ireq->i_val = rsn->rsn_ucastkeylen; 1363 break; 1364 case IEEE80211_IOC_KEYMGTALGS: 1365 ireq->i_val = rsn->rsn_keymgmtset; 1366 break; 1367 case IEEE80211_IOC_RSNCAPS: 1368 ireq->i_val = rsn->rsn_caps; 1369 break; 1370 case IEEE80211_IOC_WPA: 1371 switch (ic->ic_flags & IEEE80211_F_WPA) { 1372 case IEEE80211_F_WPA1: 1373 ireq->i_val = 1; 1374 break; 1375 case IEEE80211_F_WPA2: 1376 ireq->i_val = 2; 1377 break; 1378 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1379 ireq->i_val = 3; 1380 break; 1381 default: 1382 ireq->i_val = 0; 1383 break; 1384 } 1385 break; 1386 case IEEE80211_IOC_CHANLIST: 1387 error = ieee80211_ioctl_getchanlist(ic, ireq); 1388 break; 1389 case IEEE80211_IOC_ROAMING: 1390 ireq->i_val = ic->ic_roaming; 1391 break; 1392 case IEEE80211_IOC_PRIVACY: 1393 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1394 break; 1395 case IEEE80211_IOC_DROPUNENCRYPTED: 1396 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1397 break; 1398 case IEEE80211_IOC_COUNTERMEASURES: 1399 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1400 break; 1401 case IEEE80211_IOC_DRIVER_CAPS: 1402 ireq->i_val = ic->ic_caps>>16; 1403 ireq->i_len = ic->ic_caps&0xffff; 1404 break; 1405 case IEEE80211_IOC_WME: 1406 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1407 break; 1408 case IEEE80211_IOC_HIDESSID: 1409 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1410 break; 1411 case IEEE80211_IOC_APBRIDGE: 1412 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1413 break; 1414 case IEEE80211_IOC_OPTIE: 1415 if (ic->ic_opt_ie == NULL) 1416 return EINVAL; 1417 /* NB: truncate, caller can check length */ 1418 if (ireq->i_len > ic->ic_opt_ie_len) 1419 ireq->i_len = ic->ic_opt_ie_len; 1420 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1421 break; 1422 case IEEE80211_IOC_WPAKEY: 1423 error = ieee80211_ioctl_getkey(ic, ireq); 1424 break; 1425 case IEEE80211_IOC_CHANINFO: 1426 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1427 break; 1428 case IEEE80211_IOC_BSSID: 1429 if (ireq->i_len != IEEE80211_ADDR_LEN) 1430 return EINVAL; 1431 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1432 ic->ic_bss->ni_bssid : 1433 ic->ic_des_bssid, 1434 ireq->i_data, ireq->i_len); 1435 break; 1436 case IEEE80211_IOC_WPAIE: 1437 error = ieee80211_ioctl_getwpaie(ic, ireq); 1438 break; 1439 case IEEE80211_IOC_SCAN_RESULTS: 1440 error = ieee80211_ioctl_getscanresults(ic, ireq); 1441 break; 1442 case IEEE80211_IOC_STA_STATS: 1443 error = ieee80211_ioctl_getstastats(ic, ireq); 1444 break; 1445 case IEEE80211_IOC_TXPOWMAX: 1446 ireq->i_val = ic->ic_bss->ni_txpower; 1447 break; 1448 case IEEE80211_IOC_STA_TXPOW: 1449 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1450 break; 1451 case IEEE80211_IOC_STA_INFO: 1452 error = ieee80211_ioctl_getstainfo(ic, ireq); 1453 break; 1454 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1455 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1456 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1457 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1458 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1459 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1460 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1461 break; 1462 case IEEE80211_IOC_DTIM_PERIOD: 1463 ireq->i_val = ic->ic_dtim_period; 1464 break; 1465 case IEEE80211_IOC_BEACON_INTERVAL: 1466 /* NB: get from ic_bss for station mode */ 1467 ireq->i_val = ic->ic_bss->ni_intval; 1468 break; 1469 default: 1470 error = EINVAL; 1471 break; 1472 } 1473 return error; 1474 } 1475 1476 static int 1477 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1478 { 1479 int error; 1480 void *ie; 1481 1482 /* 1483 * NB: Doing this for ap operation could be useful (e.g. for 1484 * WPA and/or WME) except that it typically is worthless 1485 * without being able to intervene when processing 1486 * association response frames--so disallow it for now. 1487 */ 1488 if (ic->ic_opmode != IEEE80211_M_STA) 1489 return EINVAL; 1490 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1491 return EINVAL; 1492 /* NB: data.length is validated by the wireless extensions code */ 1493 MALLOC(ie, void *, (u_long)ireq->i_len, M_DEVBUF, M_WAITOK); 1494 if (ie == NULL) 1495 return ENOMEM; 1496 error = copyin(ireq->i_data, ie, ireq->i_len); 1497 /* XXX sanity check data? */ 1498 if (ic->ic_opt_ie != NULL) 1499 FREE(ic->ic_opt_ie, M_DEVBUF); 1500 ic->ic_opt_ie = ie; 1501 ic->ic_opt_ie_len = ireq->i_len; 1502 return 0; 1503 } 1504 1505 static int 1506 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1507 { 1508 struct ieee80211req_key ik; 1509 struct ieee80211_node *ni; 1510 struct ieee80211_key *wk; 1511 u_int16_t kid; 1512 int error; 1513 1514 if (ireq->i_len != sizeof(ik)) 1515 return EINVAL; 1516 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1517 if (error) 1518 return error; 1519 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1520 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1521 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1522 return E2BIG; 1523 kid = ik.ik_keyix; 1524 if (kid == IEEE80211_KEYIX_NONE) { 1525 /* XXX unicast keys currently must be tx/rx */ 1526 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1527 return EINVAL; 1528 if (ic->ic_opmode == IEEE80211_M_STA) { 1529 ni = ic->ic_bss; 1530 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) 1531 return EADDRNOTAVAIL; 1532 } else { 1533 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1534 if (ni == NULL) 1535 return ENOENT; 1536 } 1537 wk = &ni->ni_ucastkey; 1538 } else { 1539 if (kid >= IEEE80211_WEP_NKID) 1540 return EINVAL; 1541 wk = &ic->ic_nw_keys[kid]; 1542 ni = NULL; 1543 /* XXX auto-add group key flag until applications are updated */ 1544 if ((ik.ik_flags & IEEE80211_KEY_XMIT) == 0) /* XXX */ 1545 ik.ik_flags |= IEEE80211_KEY_GROUP; /* XXX */ 1546 } 1547 error = 0; 1548 ieee80211_key_update_begin(ic); 1549 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1550 wk->wk_keylen = ik.ik_keylen; 1551 /* NB: MIC presence is implied by cipher type */ 1552 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1553 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1554 wk->wk_keyrsc = ik.ik_keyrsc; 1555 wk->wk_keytsc = 0; /* new key, reset */ 1556 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1557 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1558 if (!ieee80211_crypto_setkey(ic, wk, 1559 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1560 error = EIO; 1561 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1562 ic->ic_def_txkey = kid; 1563 } else 1564 error = ENXIO; 1565 ieee80211_key_update_end(ic); 1566 if (ni != NULL) 1567 ieee80211_free_node(ni); 1568 return error; 1569 } 1570 1571 static int 1572 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1573 { 1574 struct ieee80211req_del_key dk; 1575 int kid, error; 1576 1577 if (ireq->i_len != sizeof(dk)) 1578 return EINVAL; 1579 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1580 if (error) 1581 return error; 1582 kid = dk.idk_keyix; 1583 /* XXX u_int8_t -> u_int16_t */ 1584 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1585 struct ieee80211_node *ni; 1586 1587 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1588 if (ni == NULL) 1589 return EINVAL; /* XXX */ 1590 /* XXX error return */ 1591 ieee80211_crypto_delkey(ic, &ni->ni_ucastkey); 1592 ieee80211_free_node(ni); 1593 } else { 1594 if (kid >= IEEE80211_WEP_NKID) 1595 return EINVAL; 1596 /* XXX error return */ 1597 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1598 } 1599 return 0; 1600 } 1601 1602 static void 1603 domlme(void *arg, struct ieee80211_node *ni) 1604 { 1605 struct ieee80211com *ic = ni->ni_ic; 1606 struct ieee80211req_mlme *mlme = arg; 1607 1608 if (ni->ni_associd != 0) { 1609 IEEE80211_SEND_MGMT(ic, ni, 1610 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1611 IEEE80211_FC0_SUBTYPE_DEAUTH : 1612 IEEE80211_FC0_SUBTYPE_DISASSOC, 1613 mlme->im_reason); 1614 } 1615 ieee80211_node_leave(ic, ni); 1616 } 1617 1618 static int 1619 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1620 { 1621 struct ieee80211req_mlme mlme; 1622 struct ieee80211_node *ni; 1623 int error; 1624 1625 if (ireq->i_len != sizeof(mlme)) 1626 return EINVAL; 1627 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1628 if (error) 1629 return error; 1630 switch (mlme.im_op) { 1631 case IEEE80211_MLME_ASSOC: 1632 if (ic->ic_opmode != IEEE80211_M_STA) 1633 return EINVAL; 1634 /* XXX must be in S_SCAN state? */ 1635 1636 if (ic->ic_des_esslen != 0) { 1637 /* 1638 * Desired ssid specified; must match both bssid and 1639 * ssid to distinguish ap advertising multiple ssid's. 1640 */ 1641 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1642 mlme.im_macaddr, 1643 ic->ic_des_esslen, ic->ic_des_essid); 1644 } else { 1645 /* 1646 * Normal case; just match bssid. 1647 */ 1648 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1649 } 1650 if (ni == NULL) 1651 return EINVAL; 1652 if (!ieee80211_sta_join(ic, ni)) { 1653 ieee80211_free_node(ni); 1654 return EINVAL; 1655 } 1656 break; 1657 case IEEE80211_MLME_DISASSOC: 1658 case IEEE80211_MLME_DEAUTH: 1659 switch (ic->ic_opmode) { 1660 case IEEE80211_M_STA: 1661 /* XXX not quite right */ 1662 ieee80211_new_state(ic, IEEE80211_S_INIT, 1663 mlme.im_reason); 1664 break; 1665 case IEEE80211_M_HOSTAP: 1666 /* NB: the broadcast address means do 'em all */ 1667 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1668 if ((ni = ieee80211_find_node(&ic->ic_sta, 1669 mlme.im_macaddr)) == NULL) 1670 return EINVAL; 1671 domlme(&mlme, ni); 1672 ieee80211_free_node(ni); 1673 } else { 1674 ieee80211_iterate_nodes(&ic->ic_sta, 1675 domlme, &mlme); 1676 } 1677 break; 1678 default: 1679 return EINVAL; 1680 } 1681 break; 1682 case IEEE80211_MLME_AUTHORIZE: 1683 case IEEE80211_MLME_UNAUTHORIZE: 1684 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1685 return EINVAL; 1686 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1687 if (ni == NULL) 1688 return EINVAL; 1689 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1690 ieee80211_node_authorize(ic, ni); 1691 else 1692 ieee80211_node_unauthorize(ic, ni); 1693 ieee80211_free_node(ni); 1694 break; 1695 default: 1696 return EINVAL; 1697 } 1698 return 0; 1699 } 1700 1701 static int 1702 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1703 { 1704 u_int8_t mac[IEEE80211_ADDR_LEN]; 1705 const struct ieee80211_aclator *acl = ic->ic_acl; 1706 int error; 1707 1708 if (ireq->i_len != sizeof(mac)) 1709 return EINVAL; 1710 error = copyin(ireq->i_data, mac, ireq->i_len); 1711 if (error) 1712 return error; 1713 if (acl == NULL) { 1714 acl = ieee80211_aclator_get("mac"); 1715 if (acl == NULL || !acl->iac_attach(ic)) 1716 return EINVAL; 1717 ic->ic_acl = acl; 1718 } 1719 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1720 acl->iac_add(ic, mac); 1721 else 1722 acl->iac_remove(ic, mac); 1723 return 0; 1724 } 1725 1726 static int 1727 ieee80211_ioctl_maccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1728 { 1729 const struct ieee80211_aclator *acl = ic->ic_acl; 1730 1731 switch (ireq->i_val) { 1732 case IEEE80211_MACCMD_POLICY_OPEN: 1733 case IEEE80211_MACCMD_POLICY_ALLOW: 1734 case IEEE80211_MACCMD_POLICY_DENY: 1735 if (acl == NULL) { 1736 acl = ieee80211_aclator_get("mac"); 1737 if (acl == NULL || !acl->iac_attach(ic)) 1738 return EINVAL; 1739 ic->ic_acl = acl; 1740 } 1741 acl->iac_setpolicy(ic, ireq->i_val); 1742 break; 1743 case IEEE80211_MACCMD_FLUSH: 1744 if (acl != NULL) 1745 acl->iac_flush(ic); 1746 /* NB: silently ignore when not in use */ 1747 break; 1748 case IEEE80211_MACCMD_DETACH: 1749 if (acl != NULL) { 1750 ic->ic_acl = NULL; 1751 acl->iac_detach(ic); 1752 } 1753 break; 1754 default: 1755 return EINVAL; 1756 } 1757 return 0; 1758 } 1759 1760 static int 1761 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1762 { 1763 struct ieee80211req_chanlist list; 1764 u_char chanlist[IEEE80211_CHAN_BYTES]; 1765 int i, j, error; 1766 1767 if (ireq->i_len != sizeof(list)) 1768 return EINVAL; 1769 error = copyin(ireq->i_data, &list, sizeof(list)); 1770 if (error) 1771 return error; 1772 memset(chanlist, 0, sizeof(chanlist)); 1773 /* 1774 * Since channel 0 is not available for DS, channel 1 1775 * is assigned to LSB on WaveLAN. 1776 */ 1777 if (ic->ic_phytype == IEEE80211_T_DS) 1778 i = 1; 1779 else 1780 i = 0; 1781 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1782 /* 1783 * NB: silently discard unavailable channels so users 1784 * can specify 1-255 to get all available channels. 1785 */ 1786 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1787 setbit(chanlist, i); 1788 } 1789 if (ic->ic_ibss_chan == NULL || 1790 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1791 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1792 if (isset(chanlist, i)) { 1793 ic->ic_ibss_chan = &ic->ic_channels[i]; 1794 goto found; 1795 } 1796 return EINVAL; /* no active channels */ 1797 found: 1798 ; 1799 } 1800 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1801 if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC || 1802 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan))) 1803 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 1804 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1805 } 1806 1807 static int 1808 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1809 { 1810 struct ieee80211_node *ni; 1811 struct ieee80211req_sta_txpow txpow; 1812 int error; 1813 1814 if (ireq->i_len != sizeof(txpow)) 1815 return EINVAL; 1816 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1817 if (error != 0) 1818 return error; 1819 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1820 if (ni == NULL) 1821 return EINVAL; /* XXX */ 1822 ni->ni_txpower = txpow.it_txpow; 1823 ieee80211_free_node(ni); 1824 return error; 1825 } 1826 1827 static int 1828 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1829 { 1830 struct ieee80211_wme_state *wme = &ic->ic_wme; 1831 struct wmeParams *wmep, *chanp; 1832 int isbss, ac; 1833 1834 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1835 return EINVAL; 1836 1837 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1838 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1839 if (ac >= WME_NUM_AC) 1840 ac = WME_AC_BE; 1841 if (isbss) { 1842 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1843 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1844 } else { 1845 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1846 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1847 } 1848 switch (ireq->i_type) { 1849 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1850 if (isbss) { 1851 wmep->wmep_logcwmin = ireq->i_val; 1852 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1853 chanp->wmep_logcwmin = ireq->i_val; 1854 } else { 1855 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1856 ireq->i_val; 1857 } 1858 break; 1859 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1860 if (isbss) { 1861 wmep->wmep_logcwmax = ireq->i_val; 1862 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1863 chanp->wmep_logcwmax = ireq->i_val; 1864 } else { 1865 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1866 ireq->i_val; 1867 } 1868 break; 1869 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1870 if (isbss) { 1871 wmep->wmep_aifsn = ireq->i_val; 1872 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1873 chanp->wmep_aifsn = ireq->i_val; 1874 } else { 1875 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1876 } 1877 break; 1878 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1879 if (isbss) { 1880 wmep->wmep_txopLimit = ireq->i_val; 1881 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1882 chanp->wmep_txopLimit = ireq->i_val; 1883 } else { 1884 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1885 ireq->i_val; 1886 } 1887 break; 1888 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1889 wmep->wmep_acm = ireq->i_val; 1890 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1891 chanp->wmep_acm = ireq->i_val; 1892 break; 1893 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1894 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1895 (ireq->i_val) == 0; 1896 break; 1897 } 1898 ieee80211_wme_updateparams(ic); 1899 return 0; 1900 } 1901 1902 static int 1903 cipher2cap(int cipher) 1904 { 1905 switch (cipher) { 1906 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 1907 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 1908 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 1909 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 1910 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 1911 } 1912 return 0; 1913 } 1914 1915 static int 1916 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1917 { 1918 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 1919 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1920 int error; 1921 const struct ieee80211_authenticator *auth; 1922 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1923 char tmpssid[IEEE80211_NWID_LEN]; 1924 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 1925 struct ieee80211_key *k; 1926 int j, caps; 1927 u_int kid; 1928 1929 error = 0; 1930 switch (ireq->i_type) { 1931 case IEEE80211_IOC_SSID: 1932 if (ireq->i_val != 0 || 1933 ireq->i_len > IEEE80211_NWID_LEN) 1934 return EINVAL; 1935 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 1936 if (error) 1937 break; 1938 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 1939 ic->ic_des_esslen = ireq->i_len; 1940 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 1941 error = ENETRESET; 1942 break; 1943 case IEEE80211_IOC_WEP: 1944 switch (ireq->i_val) { 1945 case IEEE80211_WEP_OFF: 1946 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 1947 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1948 break; 1949 case IEEE80211_WEP_ON: 1950 ic->ic_flags |= IEEE80211_F_PRIVACY; 1951 ic->ic_flags |= IEEE80211_F_DROPUNENC; 1952 break; 1953 case IEEE80211_WEP_MIXED: 1954 ic->ic_flags |= IEEE80211_F_PRIVACY; 1955 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1956 break; 1957 } 1958 error = ENETRESET; 1959 break; 1960 case IEEE80211_IOC_WEPKEY: 1961 kid = (u_int) ireq->i_val; 1962 if (kid >= IEEE80211_WEP_NKID) 1963 return EINVAL; 1964 k = &ic->ic_nw_keys[kid]; 1965 if (ireq->i_len == 0) { 1966 /* zero-len =>'s delete any existing key */ 1967 (void) ieee80211_crypto_delkey(ic, k); 1968 break; 1969 } 1970 if (ireq->i_len > sizeof(tmpkey)) 1971 return EINVAL; 1972 memset(tmpkey, 0, sizeof(tmpkey)); 1973 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 1974 if (error) 1975 break; 1976 ieee80211_key_update_begin(ic); 1977 k->wk_keyix = kid; /* NB: force fixed key id */ 1978 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 1979 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 1980 k->wk_keylen = ireq->i_len; 1981 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 1982 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 1983 error = EINVAL; 1984 } else 1985 error = EINVAL; 1986 ieee80211_key_update_end(ic); 1987 break; 1988 case IEEE80211_IOC_WEPTXKEY: 1989 kid = (u_int) ireq->i_val; 1990 if (kid >= IEEE80211_WEP_NKID && 1991 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 1992 return EINVAL; 1993 ic->ic_def_txkey = kid; 1994 error = ENETRESET; /* push to hardware */ 1995 break; 1996 case IEEE80211_IOC_AUTHMODE: 1997 switch (ireq->i_val) { 1998 case IEEE80211_AUTH_WPA: 1999 case IEEE80211_AUTH_8021X: /* 802.1x */ 2000 case IEEE80211_AUTH_OPEN: /* open */ 2001 case IEEE80211_AUTH_SHARED: /* shared-key */ 2002 case IEEE80211_AUTH_AUTO: /* auto */ 2003 auth = ieee80211_authenticator_get(ireq->i_val); 2004 if (auth == NULL) 2005 return EINVAL; 2006 break; 2007 default: 2008 return EINVAL; 2009 } 2010 switch (ireq->i_val) { 2011 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2012 ic->ic_flags |= IEEE80211_F_PRIVACY; 2013 ireq->i_val = IEEE80211_AUTH_8021X; 2014 break; 2015 case IEEE80211_AUTH_OPEN: /* open */ 2016 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2017 break; 2018 case IEEE80211_AUTH_SHARED: /* shared-key */ 2019 case IEEE80211_AUTH_8021X: /* 802.1x */ 2020 ic->ic_flags &= ~IEEE80211_F_WPA; 2021 /* both require a key so mark the PRIVACY capability */ 2022 ic->ic_flags |= IEEE80211_F_PRIVACY; 2023 break; 2024 case IEEE80211_AUTH_AUTO: /* auto */ 2025 ic->ic_flags &= ~IEEE80211_F_WPA; 2026 /* XXX PRIVACY handling? */ 2027 /* XXX what's the right way to do this? */ 2028 break; 2029 } 2030 /* NB: authenticator attach/detach happens on state change */ 2031 ic->ic_bss->ni_authmode = ireq->i_val; 2032 /* XXX mixed/mode/usage? */ 2033 ic->ic_auth = auth; 2034 error = ENETRESET; 2035 break; 2036 case IEEE80211_IOC_CHANNEL: 2037 /* XXX 0xffff overflows 16-bit signed */ 2038 if (ireq->i_val == 0 || 2039 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2040 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2041 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2042 isclr(ic->ic_chan_active, ireq->i_val)) { 2043 return EINVAL; 2044 } else 2045 ic->ic_ibss_chan = ic->ic_des_chan = 2046 &ic->ic_channels[ireq->i_val]; 2047 switch (ic->ic_state) { 2048 case IEEE80211_S_INIT: 2049 case IEEE80211_S_SCAN: 2050 error = ENETRESET; 2051 break; 2052 default: 2053 /* 2054 * If the desired channel has changed (to something 2055 * other than any) and we're not already scanning, 2056 * then kick the state machine. 2057 */ 2058 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2059 ic->ic_bss->ni_chan != ic->ic_des_chan && 2060 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2061 error = ENETRESET; 2062 break; 2063 } 2064 if (error == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR) 2065 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2066 break; 2067 case IEEE80211_IOC_POWERSAVE: 2068 switch (ireq->i_val) { 2069 case IEEE80211_POWERSAVE_OFF: 2070 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2071 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2072 error = ENETRESET; 2073 } 2074 break; 2075 case IEEE80211_POWERSAVE_ON: 2076 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2077 error = EINVAL; 2078 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2079 ic->ic_flags |= IEEE80211_F_PMGTON; 2080 error = ENETRESET; 2081 } 2082 break; 2083 default: 2084 error = EINVAL; 2085 break; 2086 } 2087 break; 2088 case IEEE80211_IOC_POWERSAVESLEEP: 2089 if (ireq->i_val < 0) 2090 return EINVAL; 2091 ic->ic_lintval = ireq->i_val; 2092 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2093 break; 2094 case IEEE80211_IOC_RTSTHRESHOLD: 2095 if (!(IEEE80211_RTS_MIN < ireq->i_val && 2096 ireq->i_val < IEEE80211_RTS_MAX)) 2097 return EINVAL; 2098 ic->ic_rtsthreshold = ireq->i_val; 2099 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2100 break; 2101 case IEEE80211_IOC_PROTMODE: 2102 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2103 return EINVAL; 2104 ic->ic_protmode = ireq->i_val; 2105 /* NB: if not operating in 11g this can wait */ 2106 if (ic->ic_curmode == IEEE80211_MODE_11G) 2107 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2108 break; 2109 case IEEE80211_IOC_TXPOWER: 2110 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2111 return EINVAL; 2112 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2113 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2114 return EINVAL; 2115 ic->ic_txpowlimit = ireq->i_val; 2116 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2117 break; 2118 case IEEE80211_IOC_ROAMING: 2119 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2120 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2121 return EINVAL; 2122 ic->ic_roaming = ireq->i_val; 2123 /* XXXX reset? */ 2124 break; 2125 case IEEE80211_IOC_PRIVACY: 2126 if (ireq->i_val) { 2127 /* XXX check for key state? */ 2128 ic->ic_flags |= IEEE80211_F_PRIVACY; 2129 } else 2130 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2131 break; 2132 case IEEE80211_IOC_DROPUNENCRYPTED: 2133 if (ireq->i_val) 2134 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2135 else 2136 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2137 break; 2138 case IEEE80211_IOC_WPAKEY: 2139 error = ieee80211_ioctl_setkey(ic, ireq); 2140 break; 2141 case IEEE80211_IOC_DELKEY: 2142 error = ieee80211_ioctl_delkey(ic, ireq); 2143 break; 2144 case IEEE80211_IOC_MLME: 2145 error = ieee80211_ioctl_setmlme(ic, ireq); 2146 break; 2147 case IEEE80211_IOC_OPTIE: 2148 error = ieee80211_ioctl_setoptie(ic, ireq); 2149 break; 2150 case IEEE80211_IOC_COUNTERMEASURES: 2151 if (ireq->i_val) { 2152 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2153 return EINVAL; 2154 ic->ic_flags |= IEEE80211_F_COUNTERM; 2155 } else 2156 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2157 break; 2158 case IEEE80211_IOC_WPA: 2159 if (ireq->i_val > 3) 2160 return EINVAL; 2161 /* XXX verify ciphers available */ 2162 ic->ic_flags &= ~IEEE80211_F_WPA; 2163 switch (ireq->i_val) { 2164 case 1: 2165 ic->ic_flags |= IEEE80211_F_WPA1; 2166 break; 2167 case 2: 2168 ic->ic_flags |= IEEE80211_F_WPA2; 2169 break; 2170 case 3: 2171 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2172 break; 2173 } 2174 error = ENETRESET; /* XXX? */ 2175 break; 2176 case IEEE80211_IOC_WME: 2177 if (ireq->i_val) { 2178 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2179 return EINVAL; 2180 ic->ic_flags |= IEEE80211_F_WME; 2181 } else 2182 ic->ic_flags &= ~IEEE80211_F_WME; 2183 error = ENETRESET; /* XXX maybe not for station? */ 2184 break; 2185 case IEEE80211_IOC_HIDESSID: 2186 if (ireq->i_val) 2187 ic->ic_flags |= IEEE80211_F_HIDESSID; 2188 else 2189 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2190 error = ENETRESET; 2191 break; 2192 case IEEE80211_IOC_APBRIDGE: 2193 if (ireq->i_val == 0) 2194 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2195 else 2196 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2197 break; 2198 case IEEE80211_IOC_MCASTCIPHER: 2199 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2200 !ieee80211_crypto_available(ireq->i_val)) 2201 return EINVAL; 2202 rsn->rsn_mcastcipher = ireq->i_val; 2203 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2204 break; 2205 case IEEE80211_IOC_MCASTKEYLEN: 2206 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2207 return EINVAL; 2208 /* XXX no way to verify driver capability */ 2209 rsn->rsn_mcastkeylen = ireq->i_val; 2210 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2211 break; 2212 case IEEE80211_IOC_UCASTCIPHERS: 2213 /* 2214 * Convert user-specified cipher set to the set 2215 * we can support (via hardware or software). 2216 * NB: this logic intentionally ignores unknown and 2217 * unsupported ciphers so folks can specify 0xff or 2218 * similar and get all available ciphers. 2219 */ 2220 caps = 0; 2221 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2222 if ((ireq->i_val & (1<<j)) && 2223 ((ic->ic_caps & cipher2cap(j)) || 2224 ieee80211_crypto_available(j))) 2225 caps |= 1<<j; 2226 if (caps == 0) /* nothing available */ 2227 return EINVAL; 2228 /* XXX verify ciphers ok for unicast use? */ 2229 /* XXX disallow if running as it'll have no effect */ 2230 rsn->rsn_ucastcipherset = caps; 2231 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2232 break; 2233 case IEEE80211_IOC_UCASTCIPHER: 2234 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2235 return EINVAL; 2236 rsn->rsn_ucastcipher = ireq->i_val; 2237 break; 2238 case IEEE80211_IOC_UCASTKEYLEN: 2239 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2240 return EINVAL; 2241 /* XXX no way to verify driver capability */ 2242 rsn->rsn_ucastkeylen = ireq->i_val; 2243 break; 2244 case IEEE80211_IOC_DRIVER_CAPS: 2245 /* NB: for testing */ 2246 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2247 ((u_int16_t) ireq->i_len); 2248 break; 2249 case IEEE80211_IOC_KEYMGTALGS: 2250 /* XXX check */ 2251 rsn->rsn_keymgmtset = ireq->i_val; 2252 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2253 break; 2254 case IEEE80211_IOC_RSNCAPS: 2255 /* XXX check */ 2256 rsn->rsn_caps = ireq->i_val; 2257 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2258 break; 2259 case IEEE80211_IOC_BSSID: 2260 /* NB: should only be set when in STA mode */ 2261 if (ic->ic_opmode != IEEE80211_M_STA) 2262 return EINVAL; 2263 if (ireq->i_len != sizeof(tmpbssid)) 2264 return EINVAL; 2265 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2266 if (error) 2267 break; 2268 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2269 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2270 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2271 else 2272 ic->ic_flags |= IEEE80211_F_DESBSSID; 2273 error = ENETRESET; 2274 break; 2275 case IEEE80211_IOC_CHANLIST: 2276 error = ieee80211_ioctl_setchanlist(ic, ireq); 2277 break; 2278 case IEEE80211_IOC_SCAN_REQ: 2279 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2280 break; 2281 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2282 if (error == 0) /* XXX background scan */ 2283 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2284 break; 2285 case IEEE80211_IOC_ADDMAC: 2286 case IEEE80211_IOC_DELMAC: 2287 error = ieee80211_ioctl_macmac(ic, ireq); 2288 break; 2289 case IEEE80211_IOC_MACCMD: 2290 error = ieee80211_ioctl_maccmd(ic, ireq); 2291 break; 2292 case IEEE80211_IOC_STA_TXPOW: 2293 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2294 break; 2295 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2296 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2297 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2298 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2299 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2300 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2301 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2302 break; 2303 case IEEE80211_IOC_DTIM_PERIOD: 2304 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2305 ic->ic_opmode != IEEE80211_M_IBSS) 2306 return EINVAL; 2307 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2308 ireq->i_val <= IEEE80211_DTIM_MAX) { 2309 ic->ic_dtim_period = ireq->i_val; 2310 error = ENETRESET; /* requires restart */ 2311 } else 2312 error = EINVAL; 2313 break; 2314 case IEEE80211_IOC_BEACON_INTERVAL: 2315 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2316 ic->ic_opmode != IEEE80211_M_IBSS) 2317 return EINVAL; 2318 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2319 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2320 ic->ic_lintval = ireq->i_val; 2321 error = ENETRESET; /* requires restart */ 2322 } else 2323 error = EINVAL; 2324 break; 2325 default: 2326 error = EINVAL; 2327 break; 2328 } 2329 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2330 error = 0; 2331 return error; 2332 } 2333 2334 #ifdef __FreeBSD__ 2335 int 2336 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2337 { 2338 struct ifnet *ifp = ic->ic_ifp; 2339 int error = 0; 2340 struct ifreq *ifr; 2341 struct ifaddr *ifa; /* XXX */ 2342 2343 switch (cmd) { 2344 case SIOCSIFMEDIA: 2345 case SIOCGIFMEDIA: 2346 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2347 &ic->ic_media, cmd); 2348 break; 2349 case SIOCG80211: 2350 error = ieee80211_ioctl_get80211(ic, cmd, 2351 (struct ieee80211req *) data); 2352 break; 2353 case SIOCS80211: 2354 error = suser(curthread); 2355 if (error == 0) 2356 error = ieee80211_ioctl_set80211(ic, cmd, 2357 (struct ieee80211req *) data); 2358 break; 2359 case SIOCGIFGENERIC: 2360 error = ieee80211_cfgget(ic, cmd, data); 2361 break; 2362 case SIOCSIFGENERIC: 2363 error = suser(curthread); 2364 if (error) 2365 break; 2366 error = ieee80211_cfgset(ic, cmd, data); 2367 break; 2368 case SIOCG80211STATS: 2369 ifr = (struct ifreq *)data; 2370 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2371 break; 2372 case SIOCSIFMTU: 2373 ifr = (struct ifreq *)data; 2374 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2375 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2376 error = EINVAL; 2377 else 2378 ifp->if_mtu = ifr->ifr_mtu; 2379 break; 2380 case SIOCSIFADDR: 2381 /* 2382 * XXX Handle this directly so we can supress if_init calls. 2383 * XXX This should be done in ether_ioctl but for the moment 2384 * XXX there are too many other parts of the system that 2385 * XXX set IFF_UP and so supress if_init being called when 2386 * XXX it should be. 2387 */ 2388 ifa = (struct ifaddr *) data; 2389 switch (ifa->ifa_addr->sa_family) { 2390 #ifdef INET 2391 case AF_INET: 2392 if ((ifp->if_flags & IFF_UP) == 0) { 2393 ifp->if_flags |= IFF_UP; 2394 ifp->if_init(ifp->if_softc); 2395 } 2396 arp_ifinit(ifp, ifa); 2397 break; 2398 #endif 2399 #ifdef IPX 2400 /* 2401 * XXX - This code is probably wrong, 2402 * but has been copied many times. 2403 */ 2404 case AF_IPX: { 2405 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2406 struct arpcom *ac = (struct arpcom *)ifp; 2407 2408 if (ipx_nullhost(*ina)) 2409 ina->x_host = *(union ipx_host *) ac->ac_enaddr; 2410 else 2411 bcopy((caddr_t) ina->x_host.c_host, 2412 (caddr_t) ac->ac_enaddr, 2413 sizeof(ac->ac_enaddr)); 2414 /* fall thru... */ 2415 } 2416 #endif 2417 default: 2418 if ((ifp->if_flags & IFF_UP) == 0) { 2419 ifp->if_flags |= IFF_UP; 2420 ifp->if_init(ifp->if_softc); 2421 } 2422 break; 2423 } 2424 break; 2425 default: 2426 error = ether_ioctl(ifp, cmd, data); 2427 break; 2428 } 2429 return error; 2430 } 2431 #endif /* __FreeBSD__ */ 2432 2433 #ifdef __NetBSD__ 2434 int 2435 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2436 { 2437 struct ifnet *ifp = ic->ic_ifp; 2438 struct ifreq *ifr = (struct ifreq *)data; 2439 int i, error = 0, kid, klen, s; 2440 struct ieee80211_key *k; 2441 struct ieee80211_nwid nwid; 2442 struct ieee80211_nwkey *nwkey; 2443 struct ieee80211_power *power; 2444 struct ieee80211_bssid *bssid; 2445 struct ieee80211chanreq *chanreq; 2446 struct ieee80211_channel *chan; 2447 uint32_t oflags; 2448 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 2449 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 2450 }; 2451 u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; 2452 2453 switch (cmd) { 2454 case SIOCSIFMEDIA: 2455 case SIOCGIFMEDIA: 2456 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2457 break; 2458 case SIOCG80211: 2459 error = ieee80211_ioctl_get80211(ic, cmd, 2460 (struct ieee80211req *) data); 2461 break; 2462 case SIOCS80211: 2463 if ((error = suser(curproc->p_ucred, &curproc->p_acflag)) != 0) 2464 break; 2465 error = ieee80211_ioctl_set80211(ic, cmd, 2466 (struct ieee80211req *) data); 2467 break; 2468 case SIOCS80211NWID: 2469 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 2470 break; 2471 if (nwid.i_len > IEEE80211_NWID_LEN) { 2472 error = EINVAL; 2473 break; 2474 } 2475 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2476 ic->ic_des_esslen = nwid.i_len; 2477 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 2478 error = ENETRESET; 2479 break; 2480 case SIOCG80211NWID: 2481 memset(&nwid, 0, sizeof(nwid)); 2482 switch (ic->ic_state) { 2483 case IEEE80211_S_INIT: 2484 case IEEE80211_S_SCAN: 2485 nwid.i_len = ic->ic_des_esslen; 2486 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 2487 break; 2488 default: 2489 nwid.i_len = ic->ic_bss->ni_esslen; 2490 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 2491 break; 2492 } 2493 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 2494 break; 2495 case SIOCS80211NWKEY: 2496 nwkey = (struct ieee80211_nwkey *)data; 2497 /* transmit key index out of range? */ 2498 kid = nwkey->i_defkid - 1; 2499 if (kid < 0 || kid >= IEEE80211_WEP_NKID) { 2500 error = EINVAL; 2501 break; 2502 } 2503 /* no such transmit key is set? */ 2504 if (nwkey->i_key[kid].i_keylen == 0 || 2505 (nwkey->i_key[kid].i_keylen == -1 && 2506 ic->ic_nw_keys[kid].wk_keylen == 0)) { 2507 if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { 2508 error = EINVAL; 2509 break; 2510 } 2511 } 2512 /* check key lengths */ 2513 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2514 klen = nwkey->i_key[kid].i_keylen; 2515 if ((klen > 0 && 2516 klen < IEEE80211_WEP_KEYLEN) || 2517 klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { 2518 error = EINVAL; 2519 break; 2520 } 2521 } 2522 2523 if (error) 2524 break; 2525 2526 /* copy in keys */ 2527 (void)memset(tmpkey, 0, sizeof(tmpkey)); 2528 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2529 klen = nwkey->i_key[kid].i_keylen; 2530 if (klen <= 0) 2531 continue; 2532 if ((error = copyin(nwkey->i_key[kid].i_keydat, 2533 tmpkey[kid], klen)) != 0) 2534 break; 2535 } 2536 2537 if (error) 2538 break; 2539 2540 /* set keys */ 2541 ieee80211_key_update_begin(ic); 2542 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2543 klen = nwkey->i_key[kid].i_keylen; 2544 if (klen <= 0) 2545 continue; 2546 k = &ic->ic_nw_keys[kid]; 2547 k->wk_keyix = kid; 2548 if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2549 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2550 error = EINVAL; 2551 continue; 2552 } 2553 k->wk_keylen = nwkey->i_key[kid].i_keylen; 2554 (void)memcpy(k->wk_key, tmpkey[kid], 2555 sizeof(tmpkey[kid])); 2556 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2557 error = EINVAL; 2558 } 2559 ieee80211_key_update_end(ic); 2560 2561 if (error) 2562 break; 2563 2564 /* delete keys */ 2565 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2566 klen = nwkey->i_key[kid].i_keylen; 2567 k = &ic->ic_nw_keys[kid]; 2568 if (klen <= 0) 2569 (void)ieee80211_crypto_delkey(ic, k); 2570 } 2571 2572 /* set transmit key */ 2573 kid = nwkey->i_defkid - 1; 2574 if (ic->ic_def_txkey != kid) { 2575 ic->ic_def_txkey = kid; 2576 error = ENETRESET; 2577 } 2578 oflags = ic->ic_flags; 2579 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 2580 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2581 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2582 } else { 2583 ic->ic_flags |= IEEE80211_F_PRIVACY; 2584 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2585 } 2586 if (oflags != ic->ic_flags) 2587 error = ENETRESET; 2588 break; 2589 case SIOCG80211NWKEY: 2590 nwkey = (struct ieee80211_nwkey *)data; 2591 if (ic->ic_flags & IEEE80211_F_PRIVACY) 2592 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 2593 else 2594 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 2595 nwkey->i_defkid = ic->ic_def_txkey + 1; 2596 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2597 if (nwkey->i_key[i].i_keydat == NULL) 2598 continue; 2599 /* do not show any keys to non-root user */ 2600 if ((error = suser(curproc->p_ucred, 2601 &curproc->p_acflag)) != 0) 2602 break; 2603 nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; 2604 if ((error = copyout(ic->ic_nw_keys[i].wk_key, 2605 nwkey->i_key[i].i_keydat, 2606 ic->ic_nw_keys[i].wk_keylen)) != 0) 2607 break; 2608 } 2609 break; 2610 case SIOCS80211POWER: 2611 power = (struct ieee80211_power *)data; 2612 ic->ic_lintval = power->i_maxsleep; 2613 if (power->i_enabled != 0) { 2614 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2615 error = EINVAL; 2616 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2617 ic->ic_flags |= IEEE80211_F_PMGTON; 2618 error = ENETRESET; 2619 } 2620 } else { 2621 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2622 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2623 error = ENETRESET; 2624 } 2625 } 2626 break; 2627 case SIOCG80211POWER: 2628 power = (struct ieee80211_power *)data; 2629 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 2630 power->i_maxsleep = ic->ic_lintval; 2631 break; 2632 case SIOCS80211BSSID: 2633 bssid = (struct ieee80211_bssid *)data; 2634 if (IEEE80211_ADDR_EQ(bssid->i_bssid, empty_macaddr)) 2635 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2636 else { 2637 ic->ic_flags |= IEEE80211_F_DESBSSID; 2638 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 2639 } 2640 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2641 break; 2642 switch (ic->ic_state) { 2643 case IEEE80211_S_INIT: 2644 case IEEE80211_S_SCAN: 2645 error = ENETRESET; 2646 break; 2647 default: 2648 if ((ic->ic_flags & IEEE80211_F_DESBSSID) && 2649 !IEEE80211_ADDR_EQ(ic->ic_des_bssid, 2650 ic->ic_bss->ni_bssid)) 2651 error = ENETRESET; 2652 break; 2653 } 2654 break; 2655 case SIOCG80211BSSID: 2656 bssid = (struct ieee80211_bssid *)data; 2657 switch (ic->ic_state) { 2658 case IEEE80211_S_INIT: 2659 case IEEE80211_S_SCAN: 2660 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2661 IEEE80211_ADDR_COPY(bssid->i_bssid, 2662 ic->ic_myaddr); 2663 else if (ic->ic_flags & IEEE80211_F_DESBSSID) 2664 IEEE80211_ADDR_COPY(bssid->i_bssid, 2665 ic->ic_des_bssid); 2666 else 2667 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 2668 break; 2669 default: 2670 IEEE80211_ADDR_COPY(bssid->i_bssid, 2671 ic->ic_bss->ni_bssid); 2672 break; 2673 } 2674 break; 2675 case SIOCS80211CHANNEL: 2676 chanreq = (struct ieee80211chanreq *)data; 2677 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 2678 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2679 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 2680 isclr(ic->ic_chan_active, chanreq->i_channel)) { 2681 error = EINVAL; 2682 break; 2683 } else 2684 ic->ic_ibss_chan = ic->ic_des_chan = 2685 &ic->ic_channels[chanreq->i_channel]; 2686 switch (ic->ic_state) { 2687 case IEEE80211_S_INIT: 2688 case IEEE80211_S_SCAN: 2689 error = ENETRESET; 2690 break; 2691 default: 2692 if (ic->ic_opmode == IEEE80211_M_STA) { 2693 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2694 ic->ic_bss->ni_chan != ic->ic_des_chan) 2695 error = ENETRESET; 2696 } else { 2697 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 2698 error = ENETRESET; 2699 } 2700 break; 2701 } 2702 break; 2703 case SIOCG80211CHANNEL: 2704 chanreq = (struct ieee80211chanreq *)data; 2705 switch (ic->ic_state) { 2706 case IEEE80211_S_INIT: 2707 case IEEE80211_S_SCAN: 2708 if (ic->ic_opmode == IEEE80211_M_STA) 2709 chan = ic->ic_des_chan; 2710 else 2711 chan = ic->ic_ibss_chan; 2712 break; 2713 default: 2714 chan = ic->ic_bss->ni_chan; 2715 break; 2716 } 2717 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 2718 break; 2719 case SIOCGIFGENERIC: 2720 error = ieee80211_cfgget(ic, cmd, data); 2721 break; 2722 case SIOCSIFGENERIC: 2723 error = suser(curproc->p_ucred, &curproc->p_acflag); 2724 if (error) 2725 break; 2726 error = ieee80211_cfgset(ic, cmd, data); 2727 break; 2728 case SIOCG80211ZSTATS: 2729 case SIOCG80211STATS: 2730 ifr = (struct ifreq *)data; 2731 s = splnet(); 2732 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2733 if (cmd == SIOCG80211ZSTATS) 2734 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2735 splx(s); 2736 break; 2737 case SIOCSIFMTU: 2738 ifr = (struct ifreq *)data; 2739 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2740 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2741 error = EINVAL; 2742 else 2743 ifp->if_mtu = ifr->ifr_mtu; 2744 break; 2745 default: 2746 error = ether_ioctl(ifp, cmd, data); 2747 break; 2748 } 2749 return error; 2750 } 2751 #endif /* __NetBSD__ */ 2752
Indexes created Tue Sep 23 14:10:03 GMT 2025