ieee80211_ioctl.c revision 1.42
1 /* $NetBSD: ieee80211_ioctl.c,v 1.42 2006/10/27 00:11:44 elad Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #ifdef __FreeBSD__ 36 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.35 2005/08/30 14:27:47 avatar Exp $"); 37 #endif 38 #ifdef __NetBSD__ 39 __KERNEL_RCSID(0, "$NetBSD: ieee80211_ioctl.c,v 1.42 2006/10/27 00:11:44 elad 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 #include <sys/kauth.h> 56 57 #include <net/if.h> 58 #include <net/if_arp.h> 59 #include <net/if_media.h> 60 #include <net/if_ether.h> 61 62 #ifdef INET 63 #include <netinet/in.h> 64 #include <netinet/if_inarp.h> 65 #endif 66 67 #include <net80211/ieee80211_var.h> 68 #include <net80211/ieee80211_ioctl.h> 69 70 #include <dev/ic/wi_ieee.h> 71 72 #ifdef __FreeBSD__ 73 #define IS_UP(_ic) \ 74 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 75 ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING)) 76 #endif 77 #ifdef __NetBSD__ 78 #define IS_UP(_ic) \ 79 (((_ic)->ic_ifp->if_flags & IFF_UP) && \ 80 ((_ic)->ic_ifp->if_flags & IFF_RUNNING)) 81 #endif 82 #define IS_UP_AUTO(_ic) \ 83 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 84 85 /* 86 * XXX 87 * Wireless LAN specific configuration interface, which is compatible 88 * with wicontrol(8). 89 */ 90 91 struct wi_read_ap_args { 92 int i; /* result count */ 93 struct wi_apinfo *ap; /* current entry in result buffer */ 94 caddr_t max; /* result buffer bound */ 95 }; 96 97 static void 98 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 99 { 100 struct ieee80211com *ic = ni->ni_ic; 101 struct wi_read_ap_args *sa = arg; 102 struct wi_apinfo *ap = sa->ap; 103 struct ieee80211_rateset *rs; 104 int j; 105 106 if ((caddr_t)(ap + 1) > sa->max) 107 return; 108 memset(ap, 0, sizeof(struct wi_apinfo)); 109 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 110 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 111 ap->namelen = ic->ic_des_esslen; 112 if (ic->ic_des_esslen) 113 memcpy(ap->name, ic->ic_des_essid, 114 ic->ic_des_esslen); 115 } else { 116 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 117 ap->namelen = ni->ni_esslen; 118 if (ni->ni_esslen) 119 memcpy(ap->name, ni->ni_essid, 120 ni->ni_esslen); 121 } 122 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 123 ap->signal = ic->ic_node_getrssi(ni); 124 ap->capinfo = ni->ni_capinfo; 125 ap->interval = ni->ni_intval; 126 rs = &ni->ni_rates; 127 for (j = 0; j < rs->rs_nrates; j++) { 128 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 129 ap->rate = (rs->rs_rates[j] & 130 IEEE80211_RATE_VAL) * 5; /* XXX */ 131 } 132 } 133 sa->i++; 134 sa->ap++; 135 } 136 137 struct wi_read_prism2_args { 138 int i; /* result count */ 139 struct wi_scan_res *res;/* current entry in result buffer */ 140 caddr_t max; /* result buffer bound */ 141 }; 142 143 #if 0 144 static void 145 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 146 { 147 struct ieee80211com *ic = ni->ni_ic; 148 struct wi_read_prism2_args *sa = arg; 149 struct wi_scan_res *res = sa->res; 150 151 if ((caddr_t)(res + 1) > sa->max) 152 return; 153 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 154 res->wi_noise = 0; 155 res->wi_signal = ic->ic_node_getrssi(ni); 156 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 157 res->wi_interval = ni->ni_intval; 158 res->wi_capinfo = ni->ni_capinfo; 159 res->wi_ssid_len = ni->ni_esslen; 160 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 161 /* NB: assumes wi_srates holds <= ni->ni_rates */ 162 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 163 sizeof(res->wi_srates)); 164 if (ni->ni_rates.rs_nrates < 10) 165 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 166 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 167 res->wi_rsvd = 0; 168 169 sa->i++; 170 sa->res++; 171 } 172 173 struct wi_read_sigcache_args { 174 int i; /* result count */ 175 struct wi_sigcache *wsc;/* current entry in result buffer */ 176 caddr_t max; /* result buffer bound */ 177 }; 178 179 static void 180 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 181 { 182 struct ieee80211com *ic = ni->ni_ic; 183 struct wi_read_sigcache_args *sa = arg; 184 struct wi_sigcache *wsc = sa->wsc; 185 186 if ((caddr_t)(wsc + 1) > sa->max) 187 return; 188 memset(wsc, 0, sizeof(struct wi_sigcache)); 189 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 190 wsc->signal = ic->ic_node_getrssi(ni); 191 192 sa->wsc++; 193 sa->i++; 194 } 195 #endif 196 197 int 198 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd __unused, caddr_t data) 199 { 200 struct ifnet *ifp = ic->ic_ifp; 201 int i, j, error; 202 struct ifreq *ifr = (struct ifreq *)data; 203 struct wi_req *wreq; 204 struct wi_ltv_keys *keys; 205 206 wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); 207 error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); 208 if (error) 209 goto out; 210 wreq->wi_len = 0; 211 switch (wreq->wi_type) { 212 case WI_RID_SERIALNO: 213 case WI_RID_STA_IDENTITY: 214 /* nothing appropriate */ 215 break; 216 case WI_RID_NODENAME: 217 strlcpy((char *)&wreq->wi_val[1], hostname, 218 sizeof(wreq->wi_val) - sizeof(wreq->wi_val[0])); 219 wreq->wi_val[0] = htole16(strlen(hostname)); 220 wreq->wi_len = (1 + strlen(hostname) + 1) / 2; 221 break; 222 case WI_RID_CURRENT_SSID: 223 if (ic->ic_state != IEEE80211_S_RUN) { 224 wreq->wi_val[0] = 0; 225 wreq->wi_len = 1; 226 break; 227 } 228 wreq->wi_val[0] = htole16(ic->ic_bss->ni_esslen); 229 memcpy(&wreq->wi_val[1], ic->ic_bss->ni_essid, 230 ic->ic_bss->ni_esslen); 231 wreq->wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 232 break; 233 case WI_RID_OWN_SSID: 234 case WI_RID_DESIRED_SSID: 235 wreq->wi_val[0] = htole16(ic->ic_des_esslen); 236 memcpy(&wreq->wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 237 wreq->wi_len = (1 + ic->ic_des_esslen + 1) / 2; 238 break; 239 case WI_RID_CURRENT_BSSID: 240 if (ic->ic_state == IEEE80211_S_RUN) 241 IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_bss->ni_bssid); 242 else 243 memset(wreq->wi_val, 0, IEEE80211_ADDR_LEN); 244 wreq->wi_len = IEEE80211_ADDR_LEN / 2; 245 break; 246 case WI_RID_CHANNEL_LIST: 247 memset(wreq->wi_val, 0, sizeof(wreq->wi_val)); 248 /* 249 * Since channel 0 is not available for DS, channel 1 250 * is assigned to LSB on WaveLAN. 251 */ 252 if (ic->ic_phytype == IEEE80211_T_DS) 253 i = 1; 254 else 255 i = 0; 256 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 257 if (isset(ic->ic_chan_active, i)) { 258 setbit((u_int8_t *)wreq->wi_val, j); 259 wreq->wi_len = j / 16 + 1; 260 } 261 break; 262 case WI_RID_OWN_CHNL: 263 wreq->wi_val[0] = htole16( 264 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 265 wreq->wi_len = 1; 266 break; 267 case WI_RID_CURRENT_CHAN: 268 wreq->wi_val[0] = htole16( 269 ieee80211_chan2ieee(ic, ic->ic_curchan)); 270 wreq->wi_len = 1; 271 break; 272 case WI_RID_COMMS_QUALITY: 273 wreq->wi_val[0] = 0; /* quality */ 274 wreq->wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 275 wreq->wi_val[2] = 0; /* noise */ 276 wreq->wi_len = 3; 277 break; 278 case WI_RID_PROMISC: 279 wreq->wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 280 wreq->wi_len = 1; 281 break; 282 case WI_RID_PORTTYPE: 283 wreq->wi_val[0] = htole16(ic->ic_opmode); 284 wreq->wi_len = 1; 285 break; 286 case WI_RID_MAC_NODE: 287 IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_myaddr); 288 wreq->wi_len = IEEE80211_ADDR_LEN / 2; 289 break; 290 case WI_RID_TX_RATE: 291 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 292 wreq->wi_val[0] = 0; /* auto */ 293 else 294 wreq->wi_val[0] = htole16( 295 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 296 IEEE80211_RATE_VAL) / 2); 297 wreq->wi_len = 1; 298 break; 299 case WI_RID_CUR_TX_RATE: 300 wreq->wi_val[0] = htole16( 301 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 302 IEEE80211_RATE_VAL) / 2); 303 wreq->wi_len = 1; 304 break; 305 case WI_RID_FRAG_THRESH: 306 wreq->wi_val[0] = htole16(ic->ic_fragthreshold); 307 wreq->wi_len = 1; 308 break; 309 case WI_RID_RTS_THRESH: 310 wreq->wi_val[0] = htole16(ic->ic_rtsthreshold); 311 wreq->wi_len = 1; 312 break; 313 case WI_RID_CREATE_IBSS: 314 wreq->wi_val[0] = 315 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 316 wreq->wi_len = 1; 317 break; 318 case WI_RID_MICROWAVE_OVEN: 319 wreq->wi_val[0] = 0; /* no ... not supported */ 320 wreq->wi_len = 1; 321 break; 322 case WI_RID_ROAMING_MODE: 323 wreq->wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 324 wreq->wi_len = 1; 325 break; 326 case WI_RID_SYSTEM_SCALE: 327 wreq->wi_val[0] = htole16(1); /* low density ... not supp */ 328 wreq->wi_len = 1; 329 break; 330 case WI_RID_PM_ENABLED: 331 wreq->wi_val[0] = 332 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 333 wreq->wi_len = 1; 334 break; 335 case WI_RID_MAX_SLEEP: 336 wreq->wi_val[0] = htole16(ic->ic_lintval); 337 wreq->wi_len = 1; 338 break; 339 case WI_RID_CUR_BEACON_INT: 340 wreq->wi_val[0] = htole16(ic->ic_bss->ni_intval); 341 wreq->wi_len = 1; 342 break; 343 case WI_RID_WEP_AVAIL: 344 wreq->wi_val[0] = htole16(1); /* always available */ 345 wreq->wi_len = 1; 346 break; 347 case WI_RID_CNFAUTHMODE: 348 wreq->wi_val[0] = htole16(1); /* TODO: open system only */ 349 wreq->wi_len = 1; 350 break; 351 case WI_RID_ENCRYPTION: 352 wreq->wi_val[0] = 353 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 354 wreq->wi_len = 1; 355 break; 356 case WI_RID_TX_CRYPT_KEY: 357 wreq->wi_val[0] = htole16(ic->ic_def_txkey); 358 wreq->wi_len = 1; 359 break; 360 case WI_RID_DEFLT_CRYPT_KEYS: 361 keys = (struct wi_ltv_keys *)wreq; 362 /* do not show keys to non-root user */ 363 error = kauth_authorize_network(curlwp->l_cred, 364 KAUTH_NETWORK_INTERFACE, 365 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, 366 NULL, NULL); 367 if (error) { 368 memset(keys, 0, sizeof(*keys)); 369 error = 0; 370 break; 371 } 372 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 373 keys->wi_keys[i].wi_keylen = 374 htole16(ic->ic_nw_keys[i].wk_keylen); 375 memcpy(keys->wi_keys[i].wi_keydat, 376 ic->ic_nw_keys[i].wk_key, 377 ic->ic_nw_keys[i].wk_keylen); 378 } 379 wreq->wi_len = sizeof(*keys) / 2; 380 break; 381 case WI_RID_MAX_DATALEN: 382 wreq->wi_val[0] = htole16(ic->ic_fragthreshold); 383 wreq->wi_len = 1; 384 break; 385 case WI_RID_DBM_ADJUST: 386 /* not supported, we just pass rssi value from driver. */ 387 break; 388 case WI_RID_IFACE_STATS: 389 /* XXX: should be implemented in lower drivers */ 390 break; 391 case WI_RID_READ_APS: 392 /* 393 * Don't return results until active scan completes. 394 */ 395 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 396 struct wi_read_ap_args args; 397 398 args.i = 0; 399 args.ap = (void *)((char *)wreq->wi_val + sizeof(i)); 400 args.max = (void *)(wreq + 1); 401 ieee80211_iterate_nodes(&ic->ic_scan, 402 wi_read_ap_result, &args); 403 memcpy(wreq->wi_val, &args.i, sizeof(args.i)); 404 wreq->wi_len = (sizeof(int) + 405 sizeof(struct wi_apinfo) * args.i) / 2; 406 } else 407 error = EINPROGRESS; 408 break; 409 #if 0 410 case WI_RID_SCAN_RES: /* compatibility interface */ 411 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 412 struct wi_read_prism2_args args; 413 struct wi_scan_p2_hdr *p2; 414 415 /* NB: use Prism2 format so we can include rate info */ 416 p2 = (struct wi_scan_p2_hdr *)wreq->wi_val; 417 args.i = 0; 418 args.res = (void *)&p2[1]; 419 args.max = (void *)(wreq + 1); 420 ieee80211_iterate_nodes(&ic->ic_scan, 421 wi_read_prism2_result, &args); 422 p2->wi_rsvd = 0; 423 p2->wi_reason = args.i; 424 wreq->wi_len = (sizeof(*p2) + 425 sizeof(struct wi_scan_res) * args.i) / 2; 426 } else 427 error = EINPROGRESS; 428 break; 429 case WI_RID_READ_CACHE: { 430 struct wi_read_sigcache_args args; 431 args.i = 0; 432 args.wsc = (struct wi_sigcache *) wreq->wi_val; 433 args.max = (void *)(wreq + 1); 434 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 435 wreq->wi_len = sizeof(struct wi_sigcache) * args.i / 2; 436 break; 437 } 438 #endif 439 default: 440 error = EINVAL; 441 break; 442 } 443 if (error == 0) { 444 wreq->wi_len++; 445 error = copyout(wreq, ifr->ifr_data, sizeof(*wreq)); 446 } 447 out: 448 free(wreq, M_TEMP); 449 return error; 450 } 451 452 static int 453 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 454 { 455 #define IEEERATE(_ic,_m,_i) \ 456 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 457 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 458 for (i = 0; i < nrates; i++) 459 if (IEEERATE(ic, mode, i) == rate) 460 return i; 461 return -1; 462 #undef IEEERATE 463 } 464 465 /* 466 * Prepare to do a user-initiated scan for AP's. If no 467 * current/default channel is setup or the current channel 468 * is invalid then pick the first available channel from 469 * the active list as the place to start the scan. 470 */ 471 static int 472 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 473 { 474 475 /* 476 * XXX don't permit a scan to be started unless we 477 * know the device is ready. For the moment this means 478 * the device is marked up as this is the required to 479 * initialize the hardware. It would be better to permit 480 * scanning prior to being up but that'll require some 481 * changes to the infrastructure. 482 */ 483 if (!IS_UP(ic)) 484 return EINVAL; 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 __unused, 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_int8_t chanlist[IEEE80211_CHAN_BYTES]; 505 506 wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); 507 error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); 508 if (error) 509 goto out; 510 len = wreq->wi_len ? (wreq->wi_len - 1) * 2 : 0; 511 switch (wreq->wi_type) { 512 case WI_RID_SERIALNO: 513 case WI_RID_NODENAME: 514 case WI_RID_CURRENT_SSID: 515 error = EPERM; 516 goto out; 517 case WI_RID_OWN_SSID: 518 case WI_RID_DESIRED_SSID: 519 if (le16toh(wreq->wi_val[0]) * 2 > len || 520 le16toh(wreq->wi_val[0]) > IEEE80211_NWID_LEN) { 521 error = ENOSPC; 522 break; 523 } 524 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 525 ic->ic_des_esslen = le16toh(wreq->wi_val[0]) * 2; 526 memcpy(ic->ic_des_essid, &wreq->wi_val[1], ic->ic_des_esslen); 527 error = ENETRESET; 528 break; 529 case WI_RID_CURRENT_BSSID: 530 error = EPERM; 531 goto out; 532 case WI_RID_OWN_CHNL: 533 if (len != 2) 534 goto invalid; 535 i = le16toh(wreq->wi_val[0]); 536 if (i < 0 || 537 i > IEEE80211_CHAN_MAX || 538 isclr(ic->ic_chan_active, i)) 539 goto invalid; 540 ic->ic_ibss_chan = &ic->ic_channels[i]; 541 if (ic->ic_opmode == IEEE80211_M_MONITOR) 542 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 543 else 544 error = ENETRESET; 545 break; 546 case WI_RID_CURRENT_CHAN: 547 case WI_RID_COMMS_QUALITY: 548 error = EPERM; 549 goto out; 550 case WI_RID_PROMISC: 551 if (len != 2) 552 goto invalid; 553 if (ifp->if_flags & IFF_PROMISC) { 554 if (wreq->wi_val[0] == 0) { 555 ifp->if_flags &= ~IFF_PROMISC; 556 error = ENETRESET; 557 } 558 } else { 559 if (wreq->wi_val[0] != 0) { 560 ifp->if_flags |= IFF_PROMISC; 561 error = ENETRESET; 562 } 563 } 564 break; 565 case WI_RID_PORTTYPE: 566 if (len != 2) 567 goto invalid; 568 switch (le16toh(wreq->wi_val[0])) { 569 case IEEE80211_M_STA: 570 break; 571 case IEEE80211_M_IBSS: 572 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 573 goto invalid; 574 break; 575 case IEEE80211_M_AHDEMO: 576 if (ic->ic_phytype != IEEE80211_T_DS || 577 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 578 goto invalid; 579 break; 580 case IEEE80211_M_HOSTAP: 581 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 582 goto invalid; 583 break; 584 default: 585 goto invalid; 586 } 587 if (le16toh(wreq->wi_val[0]) != ic->ic_opmode) { 588 ic->ic_opmode = le16toh(wreq->wi_val[0]); 589 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 590 } 591 break; 592 #if 0 593 case WI_RID_MAC_NODE: 594 if (len != IEEE80211_ADDR_LEN) 595 goto invalid; 596 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq->wi_val); 597 /* if_init will copy lladdr into ic_myaddr */ 598 error = ENETRESET; 599 break; 600 #endif 601 case WI_RID_TX_RATE: 602 if (len != 2) 603 goto invalid; 604 if (wreq->wi_val[0] == 0) { 605 /* auto */ 606 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; 607 break; 608 } 609 rate = 2 * le16toh(wreq->wi_val[0]); 610 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 611 /* 612 * In autoselect mode search for the rate. We take 613 * the first instance which may not be right, but we 614 * are limited by the interface. Note that we also 615 * lock the mode to insure the rate is meaningful 616 * when it is used. 617 */ 618 for (j = IEEE80211_MODE_11A; 619 j < IEEE80211_MODE_MAX; j++) { 620 if ((ic->ic_modecaps & (1<<j)) == 0) 621 continue; 622 i = findrate(ic, j, rate); 623 if (i != -1) { 624 /* lock mode too */ 625 ic->ic_curmode = j; 626 goto setrate; 627 } 628 } 629 } else { 630 i = findrate(ic, ic->ic_curmode, rate); 631 if (i != -1) 632 goto setrate; 633 } 634 goto invalid; 635 setrate: 636 ic->ic_fixed_rate = i; 637 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 638 break; 639 case WI_RID_CUR_TX_RATE: 640 error = EPERM; 641 goto out; 642 case WI_RID_FRAG_THRESH: 643 if (len != 2) 644 goto invalid; 645 ic->ic_fragthreshold = le16toh(wreq->wi_val[0]); 646 error = ENETRESET; 647 break; 648 case WI_RID_RTS_THRESH: 649 if (len != 2) 650 goto invalid; 651 ic->ic_rtsthreshold = le16toh(wreq->wi_val[0]); 652 error = ENETRESET; 653 break; 654 case WI_RID_CREATE_IBSS: 655 if (len != 2) 656 goto invalid; 657 if (wreq->wi_val[0] != 0) { 658 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 659 goto invalid; 660 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 661 ic->ic_flags |= IEEE80211_F_IBSSON; 662 if (ic->ic_opmode == IEEE80211_M_IBSS && 663 ic->ic_state == IEEE80211_S_SCAN) 664 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 665 } 666 } else { 667 if (ic->ic_flags & IEEE80211_F_IBSSON) { 668 ic->ic_flags &= ~IEEE80211_F_IBSSON; 669 if (ic->ic_flags & IEEE80211_F_SIBSS) { 670 ic->ic_flags &= ~IEEE80211_F_SIBSS; 671 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 672 } 673 } 674 } 675 break; 676 case WI_RID_MICROWAVE_OVEN: 677 if (len != 2) 678 goto invalid; 679 if (wreq->wi_val[0] != 0) 680 goto invalid; /* not supported */ 681 break; 682 case WI_RID_ROAMING_MODE: 683 if (len != 2) 684 goto invalid; 685 i = le16toh(wreq->wi_val[0]); 686 if (i > IEEE80211_ROAMING_MANUAL) 687 goto invalid; /* not supported */ 688 ic->ic_roaming = i; 689 break; 690 case WI_RID_SYSTEM_SCALE: 691 if (len != 2) 692 goto invalid; 693 if (le16toh(wreq->wi_val[0]) != 1) 694 goto invalid; /* not supported */ 695 break; 696 case WI_RID_PM_ENABLED: 697 if (len != 2) 698 goto invalid; 699 if (wreq->wi_val[0] != 0) { 700 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 701 goto invalid; 702 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 703 ic->ic_flags |= IEEE80211_F_PMGTON; 704 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 705 } 706 } else { 707 if (ic->ic_flags & IEEE80211_F_PMGTON) { 708 ic->ic_flags &= ~IEEE80211_F_PMGTON; 709 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 710 } 711 } 712 break; 713 case WI_RID_MAX_SLEEP: 714 if (len != 2) 715 goto invalid; 716 ic->ic_lintval = le16toh(wreq->wi_val[0]); 717 if (ic->ic_flags & IEEE80211_F_PMGTON) 718 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 719 break; 720 case WI_RID_CUR_BEACON_INT: 721 case WI_RID_WEP_AVAIL: 722 error = EPERM; 723 goto out; 724 case WI_RID_CNFAUTHMODE: 725 if (len != 2) 726 goto invalid; 727 i = le16toh(wreq->wi_val[0]); 728 if (i > IEEE80211_AUTH_WPA) 729 goto invalid; 730 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 731 error = ENETRESET; 732 break; 733 case WI_RID_ENCRYPTION: 734 if (len != 2) 735 goto invalid; 736 if (wreq->wi_val[0] != 0) { 737 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 738 goto invalid; 739 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 740 ic->ic_flags |= IEEE80211_F_PRIVACY; 741 error = ENETRESET; 742 } 743 } else { 744 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 745 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 746 error = ENETRESET; 747 } 748 } 749 break; 750 case WI_RID_TX_CRYPT_KEY: 751 if (len != 2) 752 goto invalid; 753 i = le16toh(wreq->wi_val[0]); 754 if (i >= IEEE80211_WEP_NKID) 755 goto invalid; 756 ic->ic_def_txkey = i; 757 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 758 break; 759 case WI_RID_DEFLT_CRYPT_KEYS: 760 if (len != sizeof(struct wi_ltv_keys)) 761 goto invalid; 762 keys = (struct wi_ltv_keys *)wreq; 763 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 764 len = le16toh(keys->wi_keys[i].wi_keylen); 765 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 766 goto invalid; 767 if (len > IEEE80211_KEYBUF_SIZE) 768 goto invalid; 769 } 770 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 771 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 772 773 len = le16toh(keys->wi_keys[i].wi_keylen); 774 k->wk_keylen = len; 775 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 776 memset(k->wk_key, 0, sizeof(k->wk_key)); 777 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 778 #if 0 779 k->wk_type = IEEE80211_CIPHER_WEP; 780 #endif 781 } 782 error = ENETRESET; 783 break; 784 case WI_RID_MAX_DATALEN: 785 if (len != 2) 786 goto invalid; 787 len = le16toh(wreq->wi_val[0]); 788 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 789 goto invalid; 790 ic->ic_fragthreshold = len; 791 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 792 break; 793 case WI_RID_IFACE_STATS: 794 error = EPERM; 795 break; 796 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 797 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 798 break; 799 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 800 if (error == 0) 801 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 802 break; 803 case WI_RID_SCAN_APS: 804 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 805 break; 806 len--; /* XXX: tx rate? */ 807 /* FALLTHRU */ 808 case WI_RID_CHANNEL_LIST: 809 memset(chanlist, 0, sizeof(chanlist)); 810 /* 811 * Since channel 0 is not available for DS, channel 1 812 * is assigned to LSB on WaveLAN. 813 */ 814 if (ic->ic_phytype == IEEE80211_T_DS) 815 i = 1; 816 else 817 i = 0; 818 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 819 if ((j / 8) >= len) 820 break; 821 if (isclr((u_int8_t *)wreq->wi_val, j)) 822 continue; 823 if (isclr(ic->ic_chan_active, i)) { 824 if (wreq->wi_type != WI_RID_CHANNEL_LIST) 825 continue; 826 if (isclr(ic->ic_chan_avail, i)) { 827 error = EPERM; 828 goto out; 829 } 830 } 831 setbit(chanlist, i); 832 } 833 error = ieee80211_setupscan(ic, chanlist); 834 if (wreq->wi_type == WI_RID_CHANNEL_LIST) { 835 /* NB: ignore error from ieee80211_setupscan */ 836 error = ENETRESET; 837 } else if (error == 0) 838 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 839 break; 840 default: 841 goto invalid; 842 } 843 if (error == ENETRESET && !IS_UP_AUTO(ic)) 844 error = 0; 845 out: 846 free(wreq, M_TEMP); 847 return error; 848 invalid: 849 free(wreq, M_TEMP); 850 return EINVAL; 851 } 852 853 static int 854 cap2cipher(int flag) 855 { 856 switch (flag) { 857 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 858 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 859 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 860 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 861 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 862 } 863 return -1; 864 } 865 866 static int 867 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 868 { 869 struct ieee80211_node *ni; 870 struct ieee80211req_key ik; 871 struct ieee80211_key *wk; 872 const struct ieee80211_cipher *cip; 873 u_int kid; 874 int error; 875 876 if (ireq->i_len != sizeof(ik)) 877 return EINVAL; 878 error = copyin(ireq->i_data, &ik, sizeof(ik)); 879 if (error) 880 return error; 881 kid = ik.ik_keyix; 882 if (kid == IEEE80211_KEYIX_NONE) { 883 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 884 if (ni == NULL) 885 return EINVAL; /* XXX */ 886 wk = &ni->ni_ucastkey; 887 } else { 888 if (kid >= IEEE80211_WEP_NKID) 889 return EINVAL; 890 wk = &ic->ic_nw_keys[kid]; 891 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 892 ni = NULL; 893 } 894 cip = wk->wk_cipher; 895 ik.ik_type = cip->ic_cipher; 896 ik.ik_keylen = wk->wk_keylen; 897 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 898 if (wk->wk_keyix == ic->ic_def_txkey) 899 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 900 if (kauth_authorize_network(curlwp->l_cred, KAUTH_NETWORK_INTERFACE, 901 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ic->ic_ifp, NULL, NULL) == 0) { 902 /* NB: only root can read key data */ 903 ik.ik_keyrsc = wk->wk_keyrsc; 904 ik.ik_keytsc = wk->wk_keytsc; 905 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 906 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 907 memcpy(ik.ik_keydata+wk->wk_keylen, 908 wk->wk_key + IEEE80211_KEYBUF_SIZE, 909 IEEE80211_MICBUF_SIZE); 910 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 911 } 912 } else { 913 ik.ik_keyrsc = 0; 914 ik.ik_keytsc = 0; 915 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 916 } 917 if (ni != NULL) 918 ieee80211_free_node(ni); 919 return copyout(&ik, ireq->i_data, sizeof(ik)); 920 } 921 922 static int 923 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 924 { 925 size_t len = ireq->i_len; 926 927 if (sizeof(ic->ic_chan_active) < len) { 928 len = sizeof(ic->ic_chan_active); 929 } 930 return copyout(&ic->ic_chan_active, ireq->i_data, len); 931 } 932 933 static int 934 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 935 { 936 struct ieee80211req_chaninfo *chans; 937 int i, space, error; 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; 947 948 chans = malloc(sizeof(*chans), M_TEMP, M_WAITOK|M_ZERO); 949 950 for (; i <= IEEE80211_CHAN_MAX; i++) 951 if (isset(ic->ic_chan_avail, i)) { 952 struct ieee80211_channel *c = &ic->ic_channels[i]; 953 chans->ic_chans[chans->ic_nchans].ic_freq = c->ic_freq; 954 chans->ic_chans[chans->ic_nchans].ic_flags = c->ic_flags; 955 chans->ic_nchans++; 956 } 957 space = __offsetof(struct ieee80211req_chaninfo, 958 ic_chans[chans->ic_nchans]); 959 if (space > ireq->i_len) 960 space = ireq->i_len; 961 error = copyout(chans, ireq->i_data, space); 962 free(chans, M_TEMP); 963 return error; 964 } 965 966 static int 967 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 968 { 969 struct ieee80211_node *ni; 970 struct ieee80211req_wpaie wpaie; 971 int error; 972 973 if (ireq->i_len < IEEE80211_ADDR_LEN) 974 return EINVAL; 975 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 976 if (error != 0) 977 return error; 978 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 979 if (ni == NULL) 980 return EINVAL; /* XXX */ 981 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 982 if (ni->ni_wpa_ie != NULL) { 983 int ielen = ni->ni_wpa_ie[1] + 2; 984 if (ielen > sizeof(wpaie.wpa_ie)) 985 ielen = sizeof(wpaie.wpa_ie); 986 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 987 } 988 ieee80211_free_node(ni); 989 if (ireq->i_len > sizeof(wpaie)) 990 ireq->i_len = sizeof(wpaie); 991 return copyout(&wpaie, ireq->i_data, ireq->i_len); 992 } 993 994 static int 995 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 996 { 997 struct ieee80211_node *ni; 998 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 999 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 1000 int error; 1001 1002 if (ireq->i_len < off) 1003 return EINVAL; 1004 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1005 if (error != 0) 1006 return error; 1007 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 1008 if (ni == NULL) 1009 return EINVAL; /* XXX */ 1010 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 1011 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 1012 /* NB: copy out only the statistics */ 1013 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 1014 ireq->i_len - off); 1015 ieee80211_free_node(ni); 1016 return error; 1017 } 1018 1019 static void 1020 get_scan_result(struct ieee80211req_scan_result *sr, 1021 const struct ieee80211_node *ni) 1022 { 1023 struct ieee80211com *ic = ni->ni_ic; 1024 u_int ielen = 0; 1025 1026 memset(sr, 0, sizeof(*sr)); 1027 sr->isr_ssid_len = ni->ni_esslen; 1028 if (ni->ni_wpa_ie != NULL) 1029 ielen += 2+ni->ni_wpa_ie[1]; 1030 if (ni->ni_wme_ie != NULL) 1031 ielen += 2+ni->ni_wme_ie[1]; 1032 1033 /* 1034 * The value sr->isr_ie_len is defined as a uint8_t, so we 1035 * need to be careful to avoid an integer overflow. If the 1036 * value would overflow, we will set isr_ie_len to zero, and 1037 * ieee80211_ioctl_getscanresults (below) will avoid copying 1038 * the (overflowing) data. 1039 */ 1040 if (ielen > 255) 1041 ielen = 0; 1042 sr->isr_ie_len = ielen; 1043 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1044 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1045 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1046 sr->isr_freq = ni->ni_chan->ic_freq; 1047 sr->isr_flags = ni->ni_chan->ic_flags; 1048 } 1049 sr->isr_rssi = ic->ic_node_getrssi(ni); 1050 sr->isr_intval = ni->ni_intval; 1051 sr->isr_capinfo = ni->ni_capinfo; 1052 sr->isr_erp = ni->ni_erp; 1053 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1054 sr->isr_nrates = ni->ni_rates.rs_nrates; 1055 if (sr->isr_nrates > 15) 1056 sr->isr_nrates = 15; 1057 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1058 } 1059 1060 static int 1061 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1062 { 1063 union { 1064 struct ieee80211req_scan_result res; 1065 char data[sizeof(struct ieee80211req_scan_result) + IEEE80211_NWID_LEN + 256 * 2]; 1066 } u; 1067 struct ieee80211req_scan_result *sr = &u.res; 1068 struct ieee80211_node_table *nt; 1069 struct ieee80211_node *ni; 1070 int error, space; 1071 u_int8_t *p, *cp; 1072 1073 p = ireq->i_data; 1074 space = ireq->i_len; 1075 error = 0; 1076 /* XXX locking */ 1077 nt = &ic->ic_scan; 1078 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1079 /* NB: skip pre-scan node state */ 1080 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1081 continue; 1082 get_scan_result(sr, ni); 1083 if (sr->isr_len > sizeof(u)) 1084 continue; /* XXX */ 1085 if (space < sr->isr_len) 1086 break; 1087 cp = (u_int8_t *)(sr+1); 1088 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1089 cp += ni->ni_esslen; 1090 if (sr->isr_ie_len > 0 && ni->ni_wpa_ie != NULL) { 1091 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1092 cp += 2+ni->ni_wpa_ie[1]; 1093 } 1094 if (sr->isr_ie_len > 0 && ni->ni_wme_ie != NULL) { 1095 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1096 cp += 2+ni->ni_wme_ie[1]; 1097 } 1098 error = copyout(sr, p, sr->isr_len); 1099 if (error) 1100 break; 1101 p += sr->isr_len; 1102 space -= sr->isr_len; 1103 } 1104 ireq->i_len -= space; 1105 return error; 1106 } 1107 1108 struct stainforeq { 1109 struct ieee80211com *ic; 1110 struct ieee80211req_sta_info *si; 1111 size_t space; 1112 }; 1113 1114 static size_t 1115 sta_space(const struct ieee80211_node *ni, size_t *ielen) 1116 { 1117 *ielen = 0; 1118 if (ni->ni_wpa_ie != NULL) 1119 *ielen += 2+ni->ni_wpa_ie[1]; 1120 if (ni->ni_wme_ie != NULL) 1121 *ielen += 2+ni->ni_wme_ie[1]; 1122 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 1123 sizeof(u_int32_t)); 1124 } 1125 1126 static void 1127 get_sta_space(void *arg, struct ieee80211_node *ni) 1128 { 1129 struct stainforeq *req = arg; 1130 struct ieee80211com *ic = ni->ni_ic; 1131 size_t ielen; 1132 1133 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1134 ni->ni_associd == 0) /* only associated stations */ 1135 return; 1136 req->space += sta_space(ni, &ielen); 1137 } 1138 1139 static void 1140 get_sta_info(void *arg, struct ieee80211_node *ni) 1141 { 1142 struct stainforeq *req = arg; 1143 struct ieee80211com *ic = ni->ni_ic; 1144 struct ieee80211req_sta_info *si; 1145 size_t ielen, len; 1146 u_int8_t *cp; 1147 1148 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1149 ni->ni_associd == 0) /* only associated stations */ 1150 return; 1151 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 1152 return; 1153 len = sta_space(ni, &ielen); 1154 if (len > req->space) 1155 return; 1156 si = req->si; 1157 si->isi_len = len; 1158 si->isi_ie_len = ielen; 1159 si->isi_freq = ni->ni_chan->ic_freq; 1160 si->isi_flags = ni->ni_chan->ic_flags; 1161 si->isi_state = ni->ni_flags; 1162 si->isi_authmode = ni->ni_authmode; 1163 si->isi_rssi = ic->ic_node_getrssi(ni); 1164 si->isi_capinfo = ni->ni_capinfo; 1165 si->isi_erp = ni->ni_erp; 1166 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1167 si->isi_nrates = ni->ni_rates.rs_nrates; 1168 if (si->isi_nrates > 15) 1169 si->isi_nrates = 15; 1170 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1171 si->isi_txrate = ni->ni_txrate; 1172 si->isi_associd = ni->ni_associd; 1173 si->isi_txpower = ni->ni_txpower; 1174 si->isi_vlan = ni->ni_vlan; 1175 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1176 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1177 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1178 } else { 1179 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1180 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1181 } 1182 /* NB: leave all cases in case we relax ni_associd == 0 check */ 1183 if (ieee80211_node_is_authorized(ni)) 1184 si->isi_inact = ic->ic_inact_run; 1185 else if (ni->ni_associd != 0) 1186 si->isi_inact = ic->ic_inact_auth; 1187 else 1188 si->isi_inact = ic->ic_inact_init; 1189 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1190 1191 cp = (u_int8_t *)(si+1); 1192 if (ni->ni_wpa_ie != NULL) { 1193 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1194 cp += 2+ni->ni_wpa_ie[1]; 1195 } 1196 if (ni->ni_wme_ie != NULL) { 1197 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1198 cp += 2+ni->ni_wme_ie[1]; 1199 } 1200 1201 req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len); 1202 req->space -= len; 1203 } 1204 1205 static int 1206 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1207 { 1208 struct stainforeq req; 1209 int error; 1210 1211 if (ireq->i_len < sizeof(struct stainforeq)) 1212 return EFAULT; 1213 1214 error = 0; 1215 req.space = 0; 1216 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 1217 if (req.space > ireq->i_len) 1218 req.space = ireq->i_len; 1219 if (req.space > 0) { 1220 size_t space; 1221 void *p; 1222 1223 space = req.space; 1224 /* XXX M_WAITOK after driver lock released */ 1225 p = malloc(space, M_TEMP, M_NOWAIT); 1226 if (p == NULL) 1227 return ENOMEM; 1228 req.si = p; 1229 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 1230 ireq->i_len = space - req.space; 1231 error = copyout(p, ireq->i_data, ireq->i_len); 1232 FREE(p, M_TEMP); 1233 } else 1234 ireq->i_len = 0; 1235 1236 return error; 1237 } 1238 1239 static int 1240 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1241 { 1242 struct ieee80211_node *ni; 1243 struct ieee80211req_sta_txpow txpow; 1244 int error; 1245 1246 if (ireq->i_len != sizeof(txpow)) 1247 return EINVAL; 1248 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1249 if (error != 0) 1250 return error; 1251 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1252 if (ni == NULL) 1253 return EINVAL; /* XXX */ 1254 txpow.it_txpow = ni->ni_txpower; 1255 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1256 ieee80211_free_node(ni); 1257 return error; 1258 } 1259 1260 static int 1261 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1262 { 1263 struct ieee80211_wme_state *wme = &ic->ic_wme; 1264 struct wmeParams *wmep; 1265 int ac; 1266 1267 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1268 return EINVAL; 1269 1270 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1271 if (ac >= WME_NUM_AC) 1272 ac = WME_AC_BE; 1273 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1274 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1275 else 1276 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1277 switch (ireq->i_type) { 1278 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1279 ireq->i_val = wmep->wmep_logcwmin; 1280 break; 1281 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1282 ireq->i_val = wmep->wmep_logcwmax; 1283 break; 1284 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1285 ireq->i_val = wmep->wmep_aifsn; 1286 break; 1287 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1288 ireq->i_val = wmep->wmep_txopLimit; 1289 break; 1290 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1291 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1292 ireq->i_val = wmep->wmep_acm; 1293 break; 1294 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1295 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1296 ireq->i_val = !wmep->wmep_noackPolicy; 1297 break; 1298 } 1299 return 0; 1300 } 1301 1302 static int 1303 ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1304 { 1305 const struct ieee80211_aclator *acl = ic->ic_acl; 1306 1307 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); 1308 } 1309 1310 /* 1311 * When building the kernel with -O2 on the i386 architecture, gcc 1312 * seems to want to inline this function into ieee80211_ioctl() 1313 * (which is the only routine that calls it). When this happens, 1314 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1315 * space. (Exactly why it needs so much is unclear.) The problem 1316 * is that it's possible for ieee80211_ioctl() to invoke other 1317 * routines (including driver init functions) which could then find 1318 * themselves perilously close to exhausting the stack. 1319 * 1320 * To avoid this, we deliberately prevent gcc from inlining this 1321 * routine. Another way to avoid this is to use less agressive 1322 * optimization when compiling this file (i.e. -O instead of -O2) 1323 * but special-casing the compilation of this one module in the 1324 * build system would be awkward. 1325 */ 1326 #ifdef __GNUC__ 1327 __attribute__ ((__noinline__)) 1328 #endif 1329 static int 1330 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd __unused, 1331 struct ieee80211req *ireq) 1332 { 1333 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1334 int error = 0; 1335 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 1336 u_int kid, len; 1337 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1338 char tmpssid[IEEE80211_NWID_LEN]; 1339 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 1340 u_int m; 1341 1342 switch (ireq->i_type) { 1343 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 1344 case IEEE80211_IOC_SSID: 1345 switch (ic->ic_state) { 1346 case IEEE80211_S_INIT: 1347 case IEEE80211_S_SCAN: 1348 ireq->i_len = ic->ic_des_esslen; 1349 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1350 break; 1351 default: 1352 ireq->i_len = ic->ic_bss->ni_esslen; 1353 memcpy(tmpssid, ic->ic_bss->ni_essid, 1354 ireq->i_len); 1355 break; 1356 } 1357 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1358 break; 1359 case IEEE80211_IOC_NUMSSIDS: 1360 ireq->i_val = 1; 1361 break; 1362 case IEEE80211_IOC_WEP: 1363 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1364 ireq->i_val = IEEE80211_WEP_OFF; 1365 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1366 ireq->i_val = IEEE80211_WEP_ON; 1367 else 1368 ireq->i_val = IEEE80211_WEP_MIXED; 1369 break; 1370 case IEEE80211_IOC_WEPKEY: 1371 kid = (u_int) ireq->i_val; 1372 if (kid >= IEEE80211_WEP_NKID) 1373 return EINVAL; 1374 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1375 /* NB: only root can read WEP keys */ 1376 if (kauth_authorize_network(curlwp->l_cred, 1377 KAUTH_NETWORK_INTERFACE, 1378 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, NULL, 1379 NULL) == 0) { 1380 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1381 } else { 1382 bzero(tmpkey, len); 1383 } 1384 ireq->i_len = len; 1385 error = copyout(tmpkey, ireq->i_data, len); 1386 break; 1387 case IEEE80211_IOC_NUMWEPKEYS: 1388 ireq->i_val = IEEE80211_WEP_NKID; 1389 break; 1390 case IEEE80211_IOC_WEPTXKEY: 1391 ireq->i_val = ic->ic_def_txkey; 1392 break; 1393 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 1394 case IEEE80211_IOC_AUTHMODE: 1395 if (ic->ic_flags & IEEE80211_F_WPA) 1396 ireq->i_val = IEEE80211_AUTH_WPA; 1397 else 1398 ireq->i_val = ic->ic_bss->ni_authmode; 1399 break; 1400 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 1401 case IEEE80211_IOC_CHANNEL: 1402 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 1403 break; 1404 case IEEE80211_IOC_POWERSAVE: 1405 if (ic->ic_flags & IEEE80211_F_PMGTON) 1406 ireq->i_val = IEEE80211_POWERSAVE_ON; 1407 else 1408 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1409 break; 1410 case IEEE80211_IOC_POWERSAVESLEEP: 1411 ireq->i_val = ic->ic_lintval; 1412 break; 1413 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 1414 case IEEE80211_IOC_RTSTHRESHOLD: 1415 ireq->i_val = ic->ic_rtsthreshold; 1416 break; 1417 case IEEE80211_IOC_PROTMODE: 1418 ireq->i_val = ic->ic_protmode; 1419 break; 1420 case IEEE80211_IOC_TXPOWER: 1421 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1422 return EINVAL; 1423 ireq->i_val = ic->ic_txpowlimit; 1424 break; 1425 case IEEE80211_IOC_MCASTCIPHER: 1426 ireq->i_val = rsn->rsn_mcastcipher; 1427 break; 1428 case IEEE80211_IOC_MCASTKEYLEN: 1429 ireq->i_val = rsn->rsn_mcastkeylen; 1430 break; 1431 case IEEE80211_IOC_UCASTCIPHERS: 1432 ireq->i_val = 0; 1433 for (m = 0x1; m != 0; m <<= 1) 1434 if (rsn->rsn_ucastcipherset & m) 1435 ireq->i_val |= 1<<cap2cipher(m); 1436 break; 1437 case IEEE80211_IOC_UCASTCIPHER: 1438 ireq->i_val = rsn->rsn_ucastcipher; 1439 break; 1440 case IEEE80211_IOC_UCASTKEYLEN: 1441 ireq->i_val = rsn->rsn_ucastkeylen; 1442 break; 1443 case IEEE80211_IOC_KEYMGTALGS: 1444 ireq->i_val = rsn->rsn_keymgmtset; 1445 break; 1446 case IEEE80211_IOC_RSNCAPS: 1447 ireq->i_val = rsn->rsn_caps; 1448 break; 1449 case IEEE80211_IOC_WPA: 1450 switch (ic->ic_flags & IEEE80211_F_WPA) { 1451 case IEEE80211_F_WPA1: 1452 ireq->i_val = 1; 1453 break; 1454 case IEEE80211_F_WPA2: 1455 ireq->i_val = 2; 1456 break; 1457 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1458 ireq->i_val = 3; 1459 break; 1460 default: 1461 ireq->i_val = 0; 1462 break; 1463 } 1464 break; 1465 case IEEE80211_IOC_CHANLIST: 1466 error = ieee80211_ioctl_getchanlist(ic, ireq); 1467 break; 1468 case IEEE80211_IOC_ROAMING: 1469 ireq->i_val = ic->ic_roaming; 1470 break; 1471 case IEEE80211_IOC_PRIVACY: 1472 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1473 break; 1474 case IEEE80211_IOC_DROPUNENCRYPTED: 1475 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1476 break; 1477 case IEEE80211_IOC_COUNTERMEASURES: 1478 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1479 break; 1480 case IEEE80211_IOC_DRIVER_CAPS: 1481 ireq->i_val = ic->ic_caps>>16; 1482 ireq->i_len = ic->ic_caps&0xffff; 1483 break; 1484 case IEEE80211_IOC_WME: 1485 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1486 break; 1487 case IEEE80211_IOC_HIDESSID: 1488 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1489 break; 1490 case IEEE80211_IOC_APBRIDGE: 1491 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1492 break; 1493 case IEEE80211_IOC_OPTIE: 1494 if (ic->ic_opt_ie == NULL) 1495 return EINVAL; 1496 /* NB: truncate, caller can check length */ 1497 if (ireq->i_len > ic->ic_opt_ie_len) 1498 ireq->i_len = ic->ic_opt_ie_len; 1499 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1500 break; 1501 case IEEE80211_IOC_WPAKEY: 1502 error = ieee80211_ioctl_getkey(ic, ireq); 1503 break; 1504 case IEEE80211_IOC_CHANINFO: 1505 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1506 break; 1507 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 1508 case IEEE80211_IOC_BSSID: 1509 if (ireq->i_len != IEEE80211_ADDR_LEN) 1510 return EINVAL; 1511 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1512 ic->ic_bss->ni_bssid : 1513 ic->ic_des_bssid, 1514 ireq->i_data, ireq->i_len); 1515 break; 1516 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 1517 case IEEE80211_IOC_WPAIE: 1518 error = ieee80211_ioctl_getwpaie(ic, ireq); 1519 break; 1520 case IEEE80211_IOC_SCAN_RESULTS: 1521 error = ieee80211_ioctl_getscanresults(ic, ireq); 1522 break; 1523 case IEEE80211_IOC_STA_STATS: 1524 error = ieee80211_ioctl_getstastats(ic, ireq); 1525 break; 1526 case IEEE80211_IOC_TXPOWMAX: 1527 ireq->i_val = ic->ic_bss->ni_txpower; 1528 break; 1529 case IEEE80211_IOC_STA_TXPOW: 1530 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1531 break; 1532 case IEEE80211_IOC_STA_INFO: 1533 error = ieee80211_ioctl_getstainfo(ic, ireq); 1534 break; 1535 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1536 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1537 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1538 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1539 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1540 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1541 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1542 break; 1543 case IEEE80211_IOC_DTIM_PERIOD: 1544 ireq->i_val = ic->ic_dtim_period; 1545 break; 1546 case IEEE80211_IOC_BEACON_INTERVAL: 1547 /* NB: get from ic_bss for station mode */ 1548 ireq->i_val = ic->ic_bss->ni_intval; 1549 break; 1550 case IEEE80211_IOC_PUREG: 1551 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1552 break; 1553 case IEEE80211_IOC_MCAST_RATE: 1554 ireq->i_val = ic->ic_mcast_rate; 1555 break; 1556 case IEEE80211_IOC_FRAGTHRESHOLD: 1557 ireq->i_val = ic->ic_fragthreshold; 1558 break; 1559 case IEEE80211_IOC_MACCMD: 1560 error = ieee80211_ioctl_getmaccmd(ic, ireq); 1561 break; 1562 default: 1563 error = EINVAL; 1564 break; 1565 } 1566 return error; 1567 } 1568 1569 static int 1570 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1571 { 1572 int error; 1573 void *ie; 1574 1575 /* 1576 * NB: Doing this for ap operation could be useful (e.g. for 1577 * WPA and/or WME) except that it typically is worthless 1578 * without being able to intervene when processing 1579 * association response frames--so disallow it for now. 1580 */ 1581 if (ic->ic_opmode != IEEE80211_M_STA) 1582 return EINVAL; 1583 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1584 return EINVAL; 1585 /* NB: data.length is validated by the wireless extensions code */ 1586 ie = malloc(ireq->i_len, M_DEVBUF, M_WAITOK); 1587 if (ie == NULL) 1588 return ENOMEM; 1589 error = copyin(ireq->i_data, ie, ireq->i_len); 1590 /* XXX sanity check data? */ 1591 if (ic->ic_opt_ie != NULL) 1592 FREE(ic->ic_opt_ie, M_DEVBUF); 1593 ic->ic_opt_ie = ie; 1594 ic->ic_opt_ie_len = ireq->i_len; 1595 return 0; 1596 } 1597 1598 static int 1599 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1600 { 1601 struct ieee80211req_key ik; 1602 struct ieee80211_node *ni; 1603 struct ieee80211_key *wk; 1604 u_int16_t kid; 1605 int error; 1606 1607 if (ireq->i_len != sizeof(ik)) 1608 return EINVAL; 1609 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1610 if (error) 1611 return error; 1612 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1613 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1614 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1615 return E2BIG; 1616 kid = ik.ik_keyix; 1617 if (kid == IEEE80211_KEYIX_NONE) { 1618 /* XXX unicast keys currently must be tx/rx */ 1619 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1620 return EINVAL; 1621 if (ic->ic_opmode == IEEE80211_M_STA) { 1622 ni = ieee80211_ref_node(ic->ic_bss); 1623 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1624 ieee80211_free_node(ni); 1625 return EADDRNOTAVAIL; 1626 } 1627 } else { 1628 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1629 if (ni == NULL) 1630 return ENOENT; 1631 } 1632 wk = &ni->ni_ucastkey; 1633 } else { 1634 if (kid >= IEEE80211_WEP_NKID) 1635 return EINVAL; 1636 wk = &ic->ic_nw_keys[kid]; 1637 ni = NULL; 1638 } 1639 error = 0; 1640 ieee80211_key_update_begin(ic); 1641 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1642 wk->wk_keylen = ik.ik_keylen; 1643 /* NB: MIC presence is implied by cipher type */ 1644 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1645 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1646 wk->wk_keyrsc = ik.ik_keyrsc; 1647 wk->wk_keytsc = 0; /* new key, reset */ 1648 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1649 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1650 if (!ieee80211_crypto_setkey(ic, wk, 1651 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1652 error = EIO; 1653 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1654 ic->ic_def_txkey = kid; 1655 } else 1656 error = ENXIO; 1657 ieee80211_key_update_end(ic); 1658 if (ni != NULL) 1659 ieee80211_free_node(ni); 1660 return error; 1661 } 1662 1663 static int 1664 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1665 { 1666 struct ieee80211req_del_key dk; 1667 int kid, error; 1668 1669 if (ireq->i_len != sizeof(dk)) 1670 return EINVAL; 1671 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1672 if (error) 1673 return error; 1674 kid = dk.idk_keyix; 1675 /* XXX u_int8_t -> u_int16_t */ 1676 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1677 struct ieee80211_node *ni; 1678 1679 if (ic->ic_opmode == IEEE80211_M_STA) { 1680 ni = ieee80211_ref_node(ic->ic_bss); 1681 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1682 ieee80211_free_node(ni); 1683 return EADDRNOTAVAIL; 1684 } 1685 } else { 1686 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1687 if (ni == NULL) 1688 return ENOENT; 1689 } 1690 /* XXX error return */ 1691 ieee80211_node_delucastkey(ni); 1692 ieee80211_free_node(ni); 1693 } else { 1694 if (kid >= IEEE80211_WEP_NKID) 1695 return EINVAL; 1696 /* XXX error return */ 1697 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1698 } 1699 return 0; 1700 } 1701 1702 #ifndef IEEE80211_NO_HOSTAP 1703 static void 1704 domlme(void *arg, struct ieee80211_node *ni) 1705 { 1706 struct ieee80211com *ic = ni->ni_ic; 1707 struct ieee80211req_mlme *mlme = arg; 1708 1709 if (ni->ni_associd != 0) { 1710 IEEE80211_SEND_MGMT(ic, ni, 1711 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1712 IEEE80211_FC0_SUBTYPE_DEAUTH : 1713 IEEE80211_FC0_SUBTYPE_DISASSOC, 1714 mlme->im_reason); 1715 } 1716 ieee80211_node_leave(ic, ni); 1717 } 1718 #endif /* !IEEE80211_NO_HOSTAP */ 1719 1720 static int 1721 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1722 { 1723 struct ieee80211req_mlme mlme; 1724 struct ieee80211_node *ni; 1725 int error; 1726 1727 if (ireq->i_len != sizeof(mlme)) 1728 return EINVAL; 1729 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1730 if (error) 1731 return error; 1732 switch (mlme.im_op) { 1733 case IEEE80211_MLME_ASSOC: 1734 if (ic->ic_opmode != IEEE80211_M_STA) 1735 return EINVAL; 1736 /* XXX must be in S_SCAN state? */ 1737 1738 if (mlme.im_ssid_len != 0) { 1739 /* 1740 * Desired ssid specified; must match both bssid and 1741 * ssid to distinguish ap advertising multiple ssid's. 1742 */ 1743 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1744 mlme.im_macaddr, 1745 mlme.im_ssid_len, mlme.im_ssid); 1746 } else { 1747 /* 1748 * Normal case; just match bssid. 1749 */ 1750 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1751 } 1752 if (ni == NULL) 1753 return EINVAL; 1754 if (!ieee80211_sta_join(ic, ni)) { 1755 ieee80211_free_node(ni); 1756 return EINVAL; 1757 } 1758 break; 1759 case IEEE80211_MLME_DISASSOC: 1760 case IEEE80211_MLME_DEAUTH: 1761 switch (ic->ic_opmode) { 1762 case IEEE80211_M_STA: 1763 /* XXX not quite right */ 1764 ieee80211_new_state(ic, IEEE80211_S_INIT, 1765 mlme.im_reason); 1766 break; 1767 case IEEE80211_M_HOSTAP: 1768 #ifndef IEEE80211_NO_HOSTAP 1769 /* NB: the broadcast address means do 'em all */ 1770 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1771 if ((ni = ieee80211_find_node(&ic->ic_sta, 1772 mlme.im_macaddr)) == NULL) 1773 return EINVAL; 1774 domlme(&mlme, ni); 1775 ieee80211_free_node(ni); 1776 } else { 1777 ieee80211_iterate_nodes(&ic->ic_sta, 1778 domlme, &mlme); 1779 } 1780 #endif /* !IEEE80211_NO_HOSTAP */ 1781 break; 1782 default: 1783 return EINVAL; 1784 } 1785 break; 1786 case IEEE80211_MLME_AUTHORIZE: 1787 case IEEE80211_MLME_UNAUTHORIZE: 1788 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1789 return EINVAL; 1790 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1791 if (ni == NULL) 1792 return EINVAL; 1793 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1794 ieee80211_node_authorize(ni); 1795 else 1796 ieee80211_node_unauthorize(ni); 1797 ieee80211_free_node(ni); 1798 break; 1799 default: 1800 return EINVAL; 1801 } 1802 return 0; 1803 } 1804 1805 static int 1806 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1807 { 1808 u_int8_t mac[IEEE80211_ADDR_LEN]; 1809 const struct ieee80211_aclator *acl = ic->ic_acl; 1810 int error; 1811 1812 if (ireq->i_len != sizeof(mac)) 1813 return EINVAL; 1814 error = copyin(ireq->i_data, mac, ireq->i_len); 1815 if (error) 1816 return error; 1817 if (acl == NULL) { 1818 acl = ieee80211_aclator_get("mac"); 1819 if (acl == NULL || !acl->iac_attach(ic)) 1820 return EINVAL; 1821 ic->ic_acl = acl; 1822 } 1823 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1824 acl->iac_add(ic, mac); 1825 else 1826 acl->iac_remove(ic, mac); 1827 return 0; 1828 } 1829 1830 static int 1831 ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1832 { 1833 const struct ieee80211_aclator *acl = ic->ic_acl; 1834 1835 switch (ireq->i_val) { 1836 case IEEE80211_MACCMD_POLICY_OPEN: 1837 case IEEE80211_MACCMD_POLICY_ALLOW: 1838 case IEEE80211_MACCMD_POLICY_DENY: 1839 if (acl == NULL) { 1840 acl = ieee80211_aclator_get("mac"); 1841 if (acl == NULL || !acl->iac_attach(ic)) 1842 return EINVAL; 1843 ic->ic_acl = acl; 1844 } 1845 acl->iac_setpolicy(ic, ireq->i_val); 1846 break; 1847 case IEEE80211_MACCMD_FLUSH: 1848 if (acl != NULL) 1849 acl->iac_flush(ic); 1850 /* NB: silently ignore when not in use */ 1851 break; 1852 case IEEE80211_MACCMD_DETACH: 1853 if (acl != NULL) { 1854 ic->ic_acl = NULL; 1855 acl->iac_detach(ic); 1856 } 1857 break; 1858 default: 1859 if (acl == NULL) 1860 return EINVAL; 1861 else 1862 return acl->iac_setioctl(ic, ireq); 1863 } 1864 return 0; 1865 } 1866 1867 static int 1868 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1869 { 1870 struct ieee80211req_chanlist list; 1871 u_int8_t chanlist[IEEE80211_CHAN_BYTES]; 1872 int i, j, error; 1873 1874 if (ireq->i_len != sizeof(list)) 1875 return EINVAL; 1876 error = copyin(ireq->i_data, &list, sizeof(list)); 1877 if (error) 1878 return error; 1879 memset(chanlist, 0, sizeof(chanlist)); 1880 /* 1881 * Since channel 0 is not available for DS, channel 1 1882 * is assigned to LSB on WaveLAN. 1883 */ 1884 if (ic->ic_phytype == IEEE80211_T_DS) 1885 i = 1; 1886 else 1887 i = 0; 1888 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1889 /* 1890 * NB: silently discard unavailable channels so users 1891 * can specify 1-255 to get all available channels. 1892 */ 1893 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1894 setbit(chanlist, i); 1895 } 1896 if (ic->ic_ibss_chan == NULL || 1897 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1898 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1899 if (isset(chanlist, i)) { 1900 ic->ic_ibss_chan = &ic->ic_channels[i]; 1901 goto found; 1902 } 1903 return EINVAL; /* no active channels */ 1904 found: 1905 ; 1906 } 1907 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1908 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1909 } 1910 1911 static int 1912 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1913 { 1914 struct ieee80211_node *ni; 1915 struct ieee80211req_sta_txpow txpow; 1916 int error; 1917 1918 if (ireq->i_len != sizeof(txpow)) 1919 return EINVAL; 1920 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1921 if (error != 0) 1922 return error; 1923 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1924 if (ni == NULL) 1925 return EINVAL; /* XXX */ 1926 ni->ni_txpower = txpow.it_txpow; 1927 ieee80211_free_node(ni); 1928 return error; 1929 } 1930 1931 static int 1932 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1933 { 1934 struct ieee80211_wme_state *wme = &ic->ic_wme; 1935 struct wmeParams *wmep, *chanp; 1936 int isbss, ac; 1937 1938 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1939 return EINVAL; 1940 1941 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1942 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1943 if (ac >= WME_NUM_AC) 1944 ac = WME_AC_BE; 1945 if (isbss) { 1946 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1947 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1948 } else { 1949 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1950 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1951 } 1952 switch (ireq->i_type) { 1953 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1954 if (isbss) { 1955 wmep->wmep_logcwmin = ireq->i_val; 1956 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1957 chanp->wmep_logcwmin = ireq->i_val; 1958 } else { 1959 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1960 ireq->i_val; 1961 } 1962 break; 1963 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1964 if (isbss) { 1965 wmep->wmep_logcwmax = ireq->i_val; 1966 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1967 chanp->wmep_logcwmax = ireq->i_val; 1968 } else { 1969 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1970 ireq->i_val; 1971 } 1972 break; 1973 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1974 if (isbss) { 1975 wmep->wmep_aifsn = ireq->i_val; 1976 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1977 chanp->wmep_aifsn = ireq->i_val; 1978 } else { 1979 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1980 } 1981 break; 1982 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1983 if (isbss) { 1984 wmep->wmep_txopLimit = ireq->i_val; 1985 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1986 chanp->wmep_txopLimit = ireq->i_val; 1987 } else { 1988 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1989 ireq->i_val; 1990 } 1991 break; 1992 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1993 wmep->wmep_acm = ireq->i_val; 1994 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1995 chanp->wmep_acm = ireq->i_val; 1996 break; 1997 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1998 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1999 (ireq->i_val) == 0; 2000 break; 2001 } 2002 ieee80211_wme_updateparams(ic); 2003 return 0; 2004 } 2005 2006 static int 2007 cipher2cap(int cipher) 2008 { 2009 switch (cipher) { 2010 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 2011 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 2012 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 2013 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 2014 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 2015 } 2016 return 0; 2017 } 2018 2019 static int 2020 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd __unused, 2021 struct ieee80211req *ireq) 2022 { 2023 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2024 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 2025 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2026 char tmpssid[IEEE80211_NWID_LEN]; 2027 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 2028 struct ieee80211_key *k; 2029 u_int kid; 2030 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2031 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 2032 int error; 2033 const struct ieee80211_authenticator *auth; 2034 int j, caps; 2035 2036 error = 0; 2037 switch (ireq->i_type) { 2038 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2039 case IEEE80211_IOC_SSID: 2040 if (ireq->i_val != 0 || 2041 ireq->i_len > IEEE80211_NWID_LEN) 2042 return EINVAL; 2043 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2044 if (error) 2045 break; 2046 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2047 ic->ic_des_esslen = ireq->i_len; 2048 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 2049 error = ENETRESET; 2050 break; 2051 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2052 case IEEE80211_IOC_WEP: 2053 switch (ireq->i_val) { 2054 case IEEE80211_WEP_OFF: 2055 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2056 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2057 break; 2058 case IEEE80211_WEP_ON: 2059 ic->ic_flags |= IEEE80211_F_PRIVACY; 2060 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2061 break; 2062 case IEEE80211_WEP_MIXED: 2063 ic->ic_flags |= IEEE80211_F_PRIVACY; 2064 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2065 break; 2066 } 2067 error = ENETRESET; 2068 break; 2069 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2070 case IEEE80211_IOC_WEPKEY: 2071 kid = (u_int) ireq->i_val; 2072 if (kid >= IEEE80211_WEP_NKID) 2073 return EINVAL; 2074 k = &ic->ic_nw_keys[kid]; 2075 if (ireq->i_len == 0) { 2076 /* zero-len =>'s delete any existing key */ 2077 (void) ieee80211_crypto_delkey(ic, k); 2078 break; 2079 } 2080 if (ireq->i_len > sizeof(tmpkey)) 2081 return EINVAL; 2082 memset(tmpkey, 0, sizeof(tmpkey)); 2083 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2084 if (error) 2085 break; 2086 ieee80211_key_update_begin(ic); 2087 k->wk_keyix = kid; /* NB: force fixed key id */ 2088 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2089 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2090 k->wk_keylen = ireq->i_len; 2091 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2092 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2093 error = EINVAL; 2094 } else 2095 error = EINVAL; 2096 ieee80211_key_update_end(ic); 2097 if (!error) /* NB: for compatibility */ 2098 error = ENETRESET; 2099 break; 2100 case IEEE80211_IOC_WEPTXKEY: 2101 kid = (u_int) ireq->i_val; 2102 if (kid >= IEEE80211_WEP_NKID && 2103 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 2104 return EINVAL; 2105 ic->ic_def_txkey = kid; 2106 error = ENETRESET; /* push to hardware */ 2107 break; 2108 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2109 case IEEE80211_IOC_AUTHMODE: 2110 switch (ireq->i_val) { 2111 case IEEE80211_AUTH_WPA: 2112 case IEEE80211_AUTH_8021X: /* 802.1x */ 2113 case IEEE80211_AUTH_OPEN: /* open */ 2114 case IEEE80211_AUTH_SHARED: /* shared-key */ 2115 case IEEE80211_AUTH_AUTO: /* auto */ 2116 auth = ieee80211_authenticator_get(ireq->i_val); 2117 if (auth == NULL) 2118 return EINVAL; 2119 break; 2120 default: 2121 return EINVAL; 2122 } 2123 switch (ireq->i_val) { 2124 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2125 ic->ic_flags |= IEEE80211_F_PRIVACY; 2126 ireq->i_val = IEEE80211_AUTH_8021X; 2127 break; 2128 case IEEE80211_AUTH_OPEN: /* open */ 2129 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2130 break; 2131 case IEEE80211_AUTH_SHARED: /* shared-key */ 2132 case IEEE80211_AUTH_8021X: /* 802.1x */ 2133 ic->ic_flags &= ~IEEE80211_F_WPA; 2134 /* both require a key so mark the PRIVACY capability */ 2135 ic->ic_flags |= IEEE80211_F_PRIVACY; 2136 break; 2137 case IEEE80211_AUTH_AUTO: /* auto */ 2138 ic->ic_flags &= ~IEEE80211_F_WPA; 2139 /* XXX PRIVACY handling? */ 2140 /* XXX what's the right way to do this? */ 2141 break; 2142 } 2143 /* NB: authenticator attach/detach happens on state change */ 2144 ic->ic_bss->ni_authmode = ireq->i_val; 2145 /* XXX mixed/mode/usage? */ 2146 ic->ic_auth = auth; 2147 error = ENETRESET; 2148 break; 2149 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2150 case IEEE80211_IOC_CHANNEL: 2151 /* XXX 0xffff overflows 16-bit signed */ 2152 if (ireq->i_val == 0 || 2153 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2154 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2155 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2156 isclr(ic->ic_chan_active, ireq->i_val)) { 2157 return EINVAL; 2158 } else 2159 ic->ic_ibss_chan = ic->ic_des_chan = 2160 &ic->ic_channels[ireq->i_val]; 2161 switch (ic->ic_state) { 2162 case IEEE80211_S_INIT: 2163 case IEEE80211_S_SCAN: 2164 error = ENETRESET; 2165 break; 2166 default: 2167 /* 2168 * If the desired channel has changed (to something 2169 * other than any) and we're not already scanning, 2170 * then kick the state machine. 2171 */ 2172 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2173 ic->ic_bss->ni_chan != ic->ic_des_chan && 2174 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2175 error = ENETRESET; 2176 break; 2177 } 2178 if (error == ENETRESET && 2179 ic->ic_opmode == IEEE80211_M_MONITOR) { 2180 if (IS_UP(ic)) { 2181 /* 2182 * Monitor mode can switch directly. 2183 */ 2184 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 2185 ic->ic_curchan = ic->ic_des_chan; 2186 error = ic->ic_reset(ic->ic_ifp); 2187 } else 2188 error = 0; 2189 } 2190 break; 2191 case IEEE80211_IOC_POWERSAVE: 2192 switch (ireq->i_val) { 2193 case IEEE80211_POWERSAVE_OFF: 2194 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2195 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2196 error = ENETRESET; 2197 } 2198 break; 2199 case IEEE80211_POWERSAVE_ON: 2200 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2201 error = EINVAL; 2202 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2203 ic->ic_flags |= IEEE80211_F_PMGTON; 2204 error = ENETRESET; 2205 } 2206 break; 2207 default: 2208 error = EINVAL; 2209 break; 2210 } 2211 break; 2212 case IEEE80211_IOC_POWERSAVESLEEP: 2213 if (ireq->i_val < 0) 2214 return EINVAL; 2215 ic->ic_lintval = ireq->i_val; 2216 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2217 break; 2218 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2219 case IEEE80211_IOC_RTSTHRESHOLD: 2220 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2221 ireq->i_val <= IEEE80211_RTS_MAX)) 2222 return EINVAL; 2223 ic->ic_rtsthreshold = ireq->i_val; 2224 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2225 break; 2226 case IEEE80211_IOC_PROTMODE: 2227 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2228 return EINVAL; 2229 ic->ic_protmode = ireq->i_val; 2230 /* NB: if not operating in 11g this can wait */ 2231 if (ic->ic_curmode == IEEE80211_MODE_11G) 2232 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2233 break; 2234 case IEEE80211_IOC_TXPOWER: 2235 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2236 return EINVAL; 2237 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2238 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2239 return EINVAL; 2240 ic->ic_txpowlimit = ireq->i_val; 2241 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2242 break; 2243 case IEEE80211_IOC_ROAMING: 2244 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2245 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2246 return EINVAL; 2247 ic->ic_roaming = ireq->i_val; 2248 /* XXXX reset? */ 2249 break; 2250 case IEEE80211_IOC_PRIVACY: 2251 if (ireq->i_val) { 2252 /* XXX check for key state? */ 2253 ic->ic_flags |= IEEE80211_F_PRIVACY; 2254 } else 2255 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2256 break; 2257 case IEEE80211_IOC_DROPUNENCRYPTED: 2258 if (ireq->i_val) 2259 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2260 else 2261 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2262 break; 2263 case IEEE80211_IOC_WPAKEY: 2264 error = ieee80211_ioctl_setkey(ic, ireq); 2265 break; 2266 case IEEE80211_IOC_DELKEY: 2267 error = ieee80211_ioctl_delkey(ic, ireq); 2268 break; 2269 case IEEE80211_IOC_MLME: 2270 error = ieee80211_ioctl_setmlme(ic, ireq); 2271 break; 2272 case IEEE80211_IOC_OPTIE: 2273 error = ieee80211_ioctl_setoptie(ic, ireq); 2274 break; 2275 case IEEE80211_IOC_COUNTERMEASURES: 2276 if (ireq->i_val) { 2277 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2278 return EINVAL; 2279 ic->ic_flags |= IEEE80211_F_COUNTERM; 2280 } else 2281 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2282 break; 2283 case IEEE80211_IOC_WPA: 2284 if (ireq->i_val > 3) 2285 return EINVAL; 2286 /* XXX verify ciphers available */ 2287 ic->ic_flags &= ~IEEE80211_F_WPA; 2288 switch (ireq->i_val) { 2289 case 1: 2290 ic->ic_flags |= IEEE80211_F_WPA1; 2291 break; 2292 case 2: 2293 ic->ic_flags |= IEEE80211_F_WPA2; 2294 break; 2295 case 3: 2296 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2297 break; 2298 } 2299 error = ENETRESET; /* XXX? */ 2300 break; 2301 case IEEE80211_IOC_WME: 2302 if (ireq->i_val) { 2303 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2304 return EINVAL; 2305 ic->ic_flags |= IEEE80211_F_WME; 2306 } else 2307 ic->ic_flags &= ~IEEE80211_F_WME; 2308 error = ENETRESET; /* XXX maybe not for station? */ 2309 break; 2310 case IEEE80211_IOC_HIDESSID: 2311 if (ireq->i_val) 2312 ic->ic_flags |= IEEE80211_F_HIDESSID; 2313 else 2314 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2315 error = ENETRESET; 2316 break; 2317 case IEEE80211_IOC_APBRIDGE: 2318 if (ireq->i_val == 0) 2319 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2320 else 2321 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2322 break; 2323 case IEEE80211_IOC_MCASTCIPHER: 2324 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2325 !ieee80211_crypto_available(ireq->i_val)) 2326 return EINVAL; 2327 rsn->rsn_mcastcipher = ireq->i_val; 2328 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2329 break; 2330 case IEEE80211_IOC_MCASTKEYLEN: 2331 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2332 return EINVAL; 2333 /* XXX no way to verify driver capability */ 2334 rsn->rsn_mcastkeylen = ireq->i_val; 2335 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2336 break; 2337 case IEEE80211_IOC_UCASTCIPHERS: 2338 /* 2339 * Convert user-specified cipher set to the set 2340 * we can support (via hardware or software). 2341 * NB: this logic intentionally ignores unknown and 2342 * unsupported ciphers so folks can specify 0xff or 2343 * similar and get all available ciphers. 2344 */ 2345 caps = 0; 2346 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2347 if ((ireq->i_val & (1<<j)) && 2348 ((ic->ic_caps & cipher2cap(j)) || 2349 ieee80211_crypto_available(j))) 2350 caps |= 1<<j; 2351 if (caps == 0) /* nothing available */ 2352 return EINVAL; 2353 /* XXX verify ciphers ok for unicast use? */ 2354 /* XXX disallow if running as it'll have no effect */ 2355 rsn->rsn_ucastcipherset = caps; 2356 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2357 break; 2358 case IEEE80211_IOC_UCASTCIPHER: 2359 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2360 return EINVAL; 2361 rsn->rsn_ucastcipher = ireq->i_val; 2362 break; 2363 case IEEE80211_IOC_UCASTKEYLEN: 2364 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2365 return EINVAL; 2366 /* XXX no way to verify driver capability */ 2367 rsn->rsn_ucastkeylen = ireq->i_val; 2368 break; 2369 case IEEE80211_IOC_DRIVER_CAPS: 2370 /* NB: for testing */ 2371 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2372 ((u_int16_t) ireq->i_len); 2373 break; 2374 case IEEE80211_IOC_KEYMGTALGS: 2375 /* XXX check */ 2376 rsn->rsn_keymgmtset = ireq->i_val; 2377 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2378 break; 2379 case IEEE80211_IOC_RSNCAPS: 2380 /* XXX check */ 2381 rsn->rsn_caps = ireq->i_val; 2382 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2383 break; 2384 #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) 2385 case IEEE80211_IOC_BSSID: 2386 /* NB: should only be set when in STA mode */ 2387 if (ic->ic_opmode != IEEE80211_M_STA) 2388 return EINVAL; 2389 if (ireq->i_len != sizeof(tmpbssid)) 2390 return EINVAL; 2391 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2392 if (error) 2393 break; 2394 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2395 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2396 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2397 else 2398 ic->ic_flags |= IEEE80211_F_DESBSSID; 2399 error = ENETRESET; 2400 break; 2401 #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ 2402 case IEEE80211_IOC_CHANLIST: 2403 error = ieee80211_ioctl_setchanlist(ic, ireq); 2404 break; 2405 case IEEE80211_IOC_SCAN_REQ: 2406 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2407 break; 2408 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2409 if (error == 0) /* XXX background scan */ 2410 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2411 break; 2412 case IEEE80211_IOC_ADDMAC: 2413 case IEEE80211_IOC_DELMAC: 2414 error = ieee80211_ioctl_macmac(ic, ireq); 2415 break; 2416 case IEEE80211_IOC_MACCMD: 2417 error = ieee80211_ioctl_setmaccmd(ic, ireq); 2418 break; 2419 case IEEE80211_IOC_STA_TXPOW: 2420 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2421 break; 2422 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2423 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2424 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2425 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2426 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2427 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2428 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2429 break; 2430 case IEEE80211_IOC_DTIM_PERIOD: 2431 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2432 ic->ic_opmode != IEEE80211_M_IBSS) 2433 return EINVAL; 2434 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2435 ireq->i_val <= IEEE80211_DTIM_MAX) { 2436 ic->ic_dtim_period = ireq->i_val; 2437 error = ENETRESET; /* requires restart */ 2438 } else 2439 error = EINVAL; 2440 break; 2441 case IEEE80211_IOC_BEACON_INTERVAL: 2442 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2443 ic->ic_opmode != IEEE80211_M_IBSS) 2444 return EINVAL; 2445 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2446 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2447 ic->ic_bintval = ireq->i_val; 2448 error = ENETRESET; /* requires restart */ 2449 } else 2450 error = EINVAL; 2451 break; 2452 case IEEE80211_IOC_PUREG: 2453 if (ireq->i_val) 2454 ic->ic_flags |= IEEE80211_F_PUREG; 2455 else 2456 ic->ic_flags &= ~IEEE80211_F_PUREG; 2457 /* NB: reset only if we're operating on an 11g channel */ 2458 if (ic->ic_curmode == IEEE80211_MODE_11G) 2459 error = ENETRESET; 2460 break; 2461 case IEEE80211_IOC_MCAST_RATE: 2462 ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL; 2463 break; 2464 case IEEE80211_IOC_FRAGTHRESHOLD: 2465 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && 2466 ireq->i_val != IEEE80211_FRAG_MAX) 2467 return EINVAL; 2468 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2469 ireq->i_val <= IEEE80211_FRAG_MAX)) 2470 return EINVAL; 2471 ic->ic_fragthreshold = ireq->i_val; 2472 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2473 break; 2474 default: 2475 error = EINVAL; 2476 break; 2477 } 2478 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2479 error = 0; 2480 return error; 2481 } 2482 2483 #ifdef __FreeBSD__ 2484 int 2485 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2486 { 2487 struct ifnet *ifp = ic->ic_ifp; 2488 int error = 0; 2489 struct ifreq *ifr; 2490 struct ifaddr *ifa; /* XXX */ 2491 2492 switch (cmd) { 2493 case SIOCSIFMEDIA: 2494 case SIOCGIFMEDIA: 2495 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2496 &ic->ic_media, cmd); 2497 break; 2498 case SIOCG80211: 2499 error = ieee80211_ioctl_get80211(ic, cmd, 2500 (struct ieee80211req *) data); 2501 break; 2502 case SIOCS80211: 2503 error = suser(curthread); 2504 if (error == 0) 2505 error = ieee80211_ioctl_set80211(ic, cmd, 2506 (struct ieee80211req *) data); 2507 break; 2508 case SIOCGIFGENERIC: 2509 error = ieee80211_cfgget(ic, cmd, data); 2510 break; 2511 case SIOCSIFGENERIC: 2512 error = suser(curthread); 2513 if (error) 2514 break; 2515 error = ieee80211_cfgset(ic, cmd, data); 2516 break; 2517 case SIOCG80211STATS: 2518 ifr = (struct ifreq *)data; 2519 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2520 break; 2521 case SIOCSIFMTU: 2522 ifr = (struct ifreq *)data; 2523 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2524 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2525 error = EINVAL; 2526 else 2527 ifp->if_mtu = ifr->ifr_mtu; 2528 break; 2529 case SIOCSIFADDR: 2530 /* 2531 * XXX Handle this directly so we can supress if_init calls. 2532 * XXX This should be done in ether_ioctl but for the moment 2533 * XXX there are too many other parts of the system that 2534 * XXX set IFF_UP and so supress if_init being called when 2535 * XXX it should be. 2536 */ 2537 ifa = (struct ifaddr *) data; 2538 switch (ifa->ifa_addr->sa_family) { 2539 #ifdef INET 2540 case AF_INET: 2541 if ((ifp->if_flags & IFF_UP) == 0) { 2542 ifp->if_flags |= IFF_UP; 2543 ifp->if_init(ifp->if_softc); 2544 } 2545 arp_ifinit(ifp, ifa); 2546 break; 2547 #endif 2548 #ifdef IPX 2549 /* 2550 * XXX - This code is probably wrong, 2551 * but has been copied many times. 2552 */ 2553 case AF_IPX: { 2554 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2555 2556 if (ipx_nullhost(*ina)) 2557 ina->x_host = *(union ipx_host *) 2558 IFP2ENADDR(ifp); 2559 else 2560 bcopy((caddr_t) ina->x_host.c_host, 2561 (caddr_t) IFP2ENADDR(ifp), 2562 ETHER_ADDR_LEN); 2563 /* fall thru... */ 2564 } 2565 #endif 2566 default: 2567 if ((ifp->if_flags & IFF_UP) == 0) { 2568 ifp->if_flags |= IFF_UP; 2569 ifp->if_init(ifp->if_softc); 2570 } 2571 break; 2572 } 2573 break; 2574 default: 2575 error = ether_ioctl(ifp, cmd, data); 2576 break; 2577 } 2578 return error; 2579 } 2580 #endif /* __FreeBSD__ */ 2581 2582 #ifdef COMPAT_20 2583 static void 2584 ieee80211_get_ostats(struct ieee80211_ostats *ostats, 2585 struct ieee80211_stats *stats) 2586 { 2587 #define COPYSTATS1(__ostats, __nstats, __dstmemb, __srcmemb, __lastmemb)\ 2588 (void)memcpy(&(__ostats)->__dstmemb, &(__nstats)->__srcmemb, \ 2589 offsetof(struct ieee80211_stats, __lastmemb) - \ 2590 offsetof(struct ieee80211_stats, __srcmemb)) 2591 #define COPYSTATS(__ostats, __nstats, __dstmemb, __lastmemb) \ 2592 COPYSTATS1(__ostats, __nstats, __dstmemb, __dstmemb, __lastmemb) 2593 2594 COPYSTATS(ostats, stats, is_rx_badversion, is_rx_unencrypted); 2595 COPYSTATS(ostats, stats, is_rx_wepfail, is_rx_beacon); 2596 COPYSTATS(ostats, stats, is_rx_rstoobig, is_rx_auth_countermeasures); 2597 COPYSTATS(ostats, stats, is_rx_assoc_bss, is_rx_assoc_badwpaie); 2598 COPYSTATS(ostats, stats, is_rx_deauth, is_rx_unauth); 2599 COPYSTATS1(ostats, stats, is_tx_nombuf, is_tx_nobuf, is_tx_badcipher); 2600 COPYSTATS(ostats, stats, is_scan_active, is_crypto_tkip); 2601 } 2602 #endif /* COMPAT_20 */ 2603 2604 #ifdef __NetBSD__ 2605 int 2606 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2607 { 2608 struct ifnet *ifp = ic->ic_ifp; 2609 struct ifreq *ifr = (struct ifreq *)data; 2610 int i, error = 0, kid, klen, s; 2611 struct ieee80211_key *k; 2612 struct ieee80211_nwid nwid; 2613 struct ieee80211_nwkey *nwkey; 2614 struct ieee80211_power *power; 2615 struct ieee80211_bssid *bssid; 2616 struct ieee80211chanreq *chanreq; 2617 struct ieee80211_channel *chan; 2618 uint32_t oflags; 2619 #ifdef COMPAT_20 2620 struct ieee80211_ostats ostats; 2621 #endif /* COMPAT_20 */ 2622 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 2623 u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; 2624 2625 switch (cmd) { 2626 case SIOCSIFMEDIA: 2627 case SIOCGIFMEDIA: 2628 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2629 break; 2630 case SIOCG80211: 2631 error = ieee80211_ioctl_get80211(ic, cmd, 2632 (struct ieee80211req *) data); 2633 break; 2634 case SIOCS80211: 2635 if ((error = kauth_authorize_network(curlwp->l_cred, 2636 KAUTH_NETWORK_INTERFACE, 2637 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, 2638 NULL) != 0)) 2639 break; 2640 error = ieee80211_ioctl_set80211(ic, cmd, 2641 (struct ieee80211req *) data); 2642 break; 2643 case SIOCS80211NWID: 2644 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 2645 break; 2646 if (nwid.i_len > IEEE80211_NWID_LEN) { 2647 error = EINVAL; 2648 break; 2649 } 2650 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2651 ic->ic_des_esslen = nwid.i_len; 2652 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 2653 error = ENETRESET; 2654 break; 2655 case SIOCG80211NWID: 2656 memset(&nwid, 0, sizeof(nwid)); 2657 switch (ic->ic_state) { 2658 case IEEE80211_S_INIT: 2659 case IEEE80211_S_SCAN: 2660 nwid.i_len = ic->ic_des_esslen; 2661 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 2662 break; 2663 default: 2664 nwid.i_len = ic->ic_bss->ni_esslen; 2665 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 2666 break; 2667 } 2668 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 2669 break; 2670 case SIOCS80211NWKEY: 2671 nwkey = (struct ieee80211_nwkey *)data; 2672 /* transmit key index out of range? */ 2673 kid = nwkey->i_defkid - 1; 2674 if (kid < 0 || kid >= IEEE80211_WEP_NKID) { 2675 error = EINVAL; 2676 break; 2677 } 2678 /* no such transmit key is set? */ 2679 if (nwkey->i_key[kid].i_keylen == 0 || 2680 (nwkey->i_key[kid].i_keylen == -1 && 2681 ic->ic_nw_keys[kid].wk_keylen == 0)) { 2682 if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { 2683 error = EINVAL; 2684 break; 2685 } 2686 } 2687 /* check key lengths */ 2688 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2689 klen = nwkey->i_key[kid].i_keylen; 2690 if ((klen > 0 && 2691 klen < IEEE80211_WEP_KEYLEN) || 2692 klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { 2693 error = EINVAL; 2694 break; 2695 } 2696 } 2697 2698 if (error) 2699 break; 2700 2701 /* copy in keys */ 2702 (void)memset(tmpkey, 0, sizeof(tmpkey)); 2703 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2704 klen = nwkey->i_key[kid].i_keylen; 2705 if (klen <= 0) 2706 continue; 2707 if ((error = copyin(nwkey->i_key[kid].i_keydat, 2708 tmpkey[kid], klen)) != 0) 2709 break; 2710 } 2711 2712 if (error) 2713 break; 2714 2715 /* set keys */ 2716 ieee80211_key_update_begin(ic); 2717 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2718 klen = nwkey->i_key[kid].i_keylen; 2719 if (klen <= 0) 2720 continue; 2721 k = &ic->ic_nw_keys[kid]; 2722 k->wk_keyix = kid; 2723 if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2724 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2725 error = EINVAL; 2726 continue; 2727 } 2728 k->wk_keylen = nwkey->i_key[kid].i_keylen; 2729 (void)memcpy(k->wk_key, tmpkey[kid], 2730 sizeof(tmpkey[kid])); 2731 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2732 error = EINVAL; 2733 } 2734 ieee80211_key_update_end(ic); 2735 2736 if (error) 2737 break; 2738 2739 /* delete keys */ 2740 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2741 klen = nwkey->i_key[kid].i_keylen; 2742 k = &ic->ic_nw_keys[kid]; 2743 if (klen <= 0) 2744 (void)ieee80211_crypto_delkey(ic, k); 2745 } 2746 2747 /* set transmit key */ 2748 kid = nwkey->i_defkid - 1; 2749 if (ic->ic_def_txkey != kid) { 2750 ic->ic_def_txkey = kid; 2751 error = ENETRESET; 2752 } 2753 oflags = ic->ic_flags; 2754 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 2755 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2756 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2757 } else { 2758 ic->ic_flags |= IEEE80211_F_PRIVACY; 2759 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2760 } 2761 if (oflags != ic->ic_flags) 2762 error = ENETRESET; 2763 break; 2764 case SIOCG80211NWKEY: 2765 nwkey = (struct ieee80211_nwkey *)data; 2766 if (ic->ic_flags & IEEE80211_F_PRIVACY) 2767 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 2768 else 2769 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 2770 nwkey->i_defkid = ic->ic_def_txkey + 1; 2771 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2772 if (nwkey->i_key[i].i_keydat == NULL) 2773 continue; 2774 /* do not show any keys to non-root user */ 2775 if ((error = kauth_authorize_network(curlwp->l_cred, 2776 KAUTH_NETWORK_INTERFACE, 2777 KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, 2778 (void *)cmd, NULL)) != 0) 2779 break; 2780 nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; 2781 if ((error = copyout(ic->ic_nw_keys[i].wk_key, 2782 nwkey->i_key[i].i_keydat, 2783 ic->ic_nw_keys[i].wk_keylen)) != 0) 2784 break; 2785 } 2786 break; 2787 case SIOCS80211POWER: 2788 power = (struct ieee80211_power *)data; 2789 ic->ic_lintval = power->i_maxsleep; 2790 if (power->i_enabled != 0) { 2791 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2792 error = EINVAL; 2793 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2794 ic->ic_flags |= IEEE80211_F_PMGTON; 2795 error = ENETRESET; 2796 } 2797 } else { 2798 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2799 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2800 error = ENETRESET; 2801 } 2802 } 2803 break; 2804 case SIOCG80211POWER: 2805 power = (struct ieee80211_power *)data; 2806 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 2807 power->i_maxsleep = ic->ic_lintval; 2808 break; 2809 case SIOCS80211BSSID: 2810 bssid = (struct ieee80211_bssid *)data; 2811 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 2812 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2813 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2814 else 2815 ic->ic_flags |= IEEE80211_F_DESBSSID; 2816 error = ENETRESET; 2817 break; 2818 case SIOCG80211BSSID: 2819 bssid = (struct ieee80211_bssid *)data; 2820 switch (ic->ic_state) { 2821 case IEEE80211_S_INIT: 2822 case IEEE80211_S_SCAN: 2823 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2824 IEEE80211_ADDR_COPY(bssid->i_bssid, 2825 ic->ic_myaddr); 2826 else if (ic->ic_flags & IEEE80211_F_DESBSSID) 2827 IEEE80211_ADDR_COPY(bssid->i_bssid, 2828 ic->ic_des_bssid); 2829 else 2830 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 2831 break; 2832 default: 2833 IEEE80211_ADDR_COPY(bssid->i_bssid, 2834 ic->ic_bss->ni_bssid); 2835 break; 2836 } 2837 break; 2838 case SIOCS80211CHANNEL: 2839 chanreq = (struct ieee80211chanreq *)data; 2840 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 2841 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2842 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 2843 isclr(ic->ic_chan_active, chanreq->i_channel)) { 2844 error = EINVAL; 2845 break; 2846 } else 2847 ic->ic_ibss_chan = ic->ic_des_chan = 2848 &ic->ic_channels[chanreq->i_channel]; 2849 switch (ic->ic_state) { 2850 case IEEE80211_S_INIT: 2851 case IEEE80211_S_SCAN: 2852 error = ENETRESET; 2853 break; 2854 default: 2855 if (ic->ic_opmode == IEEE80211_M_STA) { 2856 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2857 ic->ic_bss->ni_chan != ic->ic_des_chan) 2858 error = ENETRESET; 2859 } else { 2860 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 2861 error = ENETRESET; 2862 } 2863 break; 2864 } 2865 break; 2866 case SIOCG80211CHANNEL: 2867 chanreq = (struct ieee80211chanreq *)data; 2868 switch (ic->ic_state) { 2869 case IEEE80211_S_INIT: 2870 case IEEE80211_S_SCAN: 2871 if (ic->ic_opmode == IEEE80211_M_STA) 2872 chan = ic->ic_des_chan; 2873 else 2874 chan = ic->ic_ibss_chan; 2875 break; 2876 default: 2877 chan = ic->ic_curchan; 2878 break; 2879 } 2880 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 2881 break; 2882 case SIOCGIFGENERIC: 2883 error = ieee80211_cfgget(ic, cmd, data); 2884 break; 2885 case SIOCSIFGENERIC: 2886 error = kauth_authorize_network(curlwp->l_cred, 2887 KAUTH_NETWORK_INTERFACE, 2888 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, 2889 NULL); 2890 if (error) 2891 break; 2892 error = ieee80211_cfgset(ic, cmd, data); 2893 break; 2894 #ifdef COMPAT_20 2895 case OSIOCG80211STATS: 2896 case OSIOCG80211ZSTATS: 2897 ifr = (struct ifreq *)data; 2898 s = splnet(); 2899 ieee80211_get_ostats(&ostats, &ic->ic_stats); 2900 error = copyout(&ostats, ifr->ifr_data, sizeof(ostats)); 2901 if (error == 0 && cmd == OSIOCG80211ZSTATS) 2902 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2903 splx(s); 2904 break; 2905 #endif /* COMPAT_20 */ 2906 case SIOCG80211ZSTATS: 2907 case SIOCG80211STATS: 2908 ifr = (struct ifreq *)data; 2909 s = splnet(); 2910 error = copyout(&ic->ic_stats, ifr->ifr_buf, 2911 MIN(sizeof(ic->ic_stats), ifr->ifr_buflen)); 2912 if (error == 0 && cmd == SIOCG80211ZSTATS) 2913 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2914 splx(s); 2915 break; 2916 case SIOCSIFMTU: 2917 ifr = (struct ifreq *)data; 2918 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2919 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2920 error = EINVAL; 2921 else 2922 ifp->if_mtu = ifr->ifr_mtu; 2923 break; 2924 default: 2925 error = ether_ioctl(ifp, cmd, data); 2926 break; 2927 } 2928 return error; 2929 } 2930 #endif /* __NetBSD__ */ 2931
Indexes created Wed Sep 24 15:09:51 GMT 2025