| 1 | /* $NetBSD: ieee80211_ioctl.c,v 1.60 2015/08/24 22:21:26 pooka 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 1.60 2015/08/24 22:21:26 pooka Exp $" ); |
| 40 | #endif |
| 41 | |
| 42 | /* |
| 43 | * IEEE 802.11 ioctl support (FreeBSD-specific) |
| 44 | */ |
| 45 | |
| 46 | #ifdef _KERNEL_OPT |
| 47 | #include "opt_inet.h" |
| 48 | #include "opt_compat_netbsd.h" |
| 49 | #endif |
| 50 | |
| 51 | #include <sys/endian.h> |
| 52 | #include <sys/param.h> |
| 53 | #include <sys/kernel.h> |
| 54 | #include <sys/socket.h> |
| 55 | #include <sys/sockio.h> |
| 56 | #include <sys/systm.h> |
| 57 | #include <sys/proc.h> |
| 58 | #include <sys/kauth.h> |
| 59 | |
| 60 | #include <net/if.h> |
| 61 | #include <net/if_arp.h> |
| 62 | #include <net/if_media.h> |
| 63 | #include <net/if_ether.h> |
| 64 | |
| 65 | #ifdef INET |
| 66 | #include <netinet/in.h> |
| 67 | #include <netinet/if_inarp.h> |
| 68 | #endif |
| 69 | |
| 70 | #include <net80211/ieee80211_var.h> |
| 71 | #include <net80211/ieee80211_ioctl.h> |
| 72 | |
| 73 | #include <dev/ic/wi_ieee.h> |
| 74 | |
| 75 | #if defined(COMPAT_09) || defined(COMPAT_10) || defined(COMPAT_11) || \ |
| 76 | defined(COMPAT_12) || defined(COMPAT_13) || defined(COMPAT_14) || \ |
| 77 | defined(COMPAT_15) || defined(COMPAT_16) || defined(COMPAT_20) || \ |
| 78 | defined(COMPAT_30) || defined(COMPAT_40) |
| 79 | #include <compat/sys/sockio.h> |
| 80 | #endif |
| 81 | |
| 82 | #ifdef __FreeBSD__ |
| 83 | #define IS_UP(_ic) \ |
| 84 | (((_ic)->ic_ifp->if_flags & IFF_UP) && \ |
| 85 | ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING)) |
| 86 | #endif |
| 87 | #ifdef __NetBSD__ |
| 88 | #define IS_UP(_ic) \ |
| 89 | (((_ic)->ic_ifp->if_flags & IFF_UP) && \ |
| 90 | ((_ic)->ic_ifp->if_flags & IFF_RUNNING)) |
| 91 | #endif |
| 92 | #define IS_UP_AUTO(_ic) \ |
| 93 | (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) |
| 94 | |
| 95 | /* |
| 96 | * XXX |
| 97 | * Wireless LAN specific configuration interface, which is compatible |
| 98 | * with wicontrol(8). |
| 99 | */ |
| 100 | |
| 101 | struct wi_read_ap_args { |
| 102 | int i; /* result count */ |
| 103 | struct wi_apinfo *ap; /* current entry in result buffer */ |
| 104 | void * max; /* result buffer bound */ |
| 105 | }; |
| 106 | |
| 107 | static void |
| 108 | wi_read_ap_result(void *arg, struct ieee80211_node *ni) |
| 109 | { |
| 110 | struct ieee80211com *ic = ni->ni_ic; |
| 111 | struct wi_read_ap_args *sa = arg; |
| 112 | struct wi_apinfo *ap = sa->ap; |
| 113 | struct ieee80211_rateset *rs; |
| 114 | int j; |
| 115 | |
| 116 | if ((void *)(ap + 1) > sa->max) |
| 117 | return; |
| 118 | memset(ap, 0, sizeof(struct wi_apinfo)); |
| 119 | if (ic->ic_opmode == IEEE80211_M_HOSTAP) { |
| 120 | IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); |
| 121 | ap->namelen = ic->ic_des_esslen; |
| 122 | if (ic->ic_des_esslen) |
| 123 | memcpy(ap->name, ic->ic_des_essid, |
| 124 | ic->ic_des_esslen); |
| 125 | } else { |
| 126 | IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); |
| 127 | ap->namelen = ni->ni_esslen; |
| 128 | if (ni->ni_esslen) |
| 129 | memcpy(ap->name, ni->ni_essid, |
| 130 | ni->ni_esslen); |
| 131 | } |
| 132 | ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); |
| 133 | ap->signal = ic->ic_node_getrssi(ni); |
| 134 | ap->capinfo = ni->ni_capinfo; |
| 135 | ap->interval = ni->ni_intval; |
| 136 | rs = &ni->ni_rates; |
| 137 | for (j = 0; j < rs->rs_nrates; j++) { |
| 138 | if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { |
| 139 | ap->rate = (rs->rs_rates[j] & |
| 140 | IEEE80211_RATE_VAL) * 5; /* XXX */ |
| 141 | } |
| 142 | } |
| 143 | sa->i++; |
| 144 | sa->ap++; |
| 145 | } |
| 146 | |
| 147 | struct wi_read_prism2_args { |
| 148 | int i; /* result count */ |
| 149 | struct wi_scan_res *res;/* current entry in result buffer */ |
| 150 | void * max; /* result buffer bound */ |
| 151 | }; |
| 152 | |
| 153 | #if 0 |
| 154 | static void |
| 155 | wi_read_prism2_result(void *arg, struct ieee80211_node *ni) |
| 156 | { |
| 157 | struct ieee80211com *ic = ni->ni_ic; |
| 158 | struct wi_read_prism2_args *sa = arg; |
| 159 | struct wi_scan_res *res = sa->res; |
| 160 | |
| 161 | if ((void *)(res + 1) > sa->max) |
| 162 | return; |
| 163 | res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); |
| 164 | res->wi_noise = 0; |
| 165 | res->wi_signal = ic->ic_node_getrssi(ni); |
| 166 | IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); |
| 167 | res->wi_interval = ni->ni_intval; |
| 168 | res->wi_capinfo = ni->ni_capinfo; |
| 169 | res->wi_ssid_len = ni->ni_esslen; |
| 170 | memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); |
| 171 | /* NB: assumes wi_srates holds <= ni->ni_rates */ |
| 172 | memcpy(res->wi_srates, ni->ni_rates.rs_rates, |
| 173 | sizeof(res->wi_srates)); |
| 174 | if (ni->ni_rates.rs_nrates < 10) |
| 175 | res->wi_srates[ni->ni_rates.rs_nrates] = 0; |
| 176 | res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; |
| 177 | res->wi_rsvd = 0; |
| 178 | |
| 179 | sa->i++; |
| 180 | sa->res++; |
| 181 | } |
| 182 | |
| 183 | struct wi_read_sigcache_args { |
| 184 | int i; /* result count */ |
| 185 | struct wi_sigcache *wsc;/* current entry in result buffer */ |
| 186 | void * max; /* result buffer bound */ |
| 187 | }; |
| 188 | |
| 189 | static void |
| 190 | wi_read_sigcache(void *arg, struct ieee80211_node *ni) |
| 191 | { |
| 192 | struct ieee80211com *ic = ni->ni_ic; |
| 193 | struct wi_read_sigcache_args *sa = arg; |
| 194 | struct wi_sigcache *wsc = sa->wsc; |
| 195 | |
| 196 | if ((void *)(wsc + 1) > sa->max) |
| 197 | return; |
| 198 | memset(wsc, 0, sizeof(struct wi_sigcache)); |
| 199 | IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); |
| 200 | wsc->signal = ic->ic_node_getrssi(ni); |
| 201 | |
| 202 | sa->wsc++; |
| 203 | sa->i++; |
| 204 | } |
| 205 | #endif |
| 206 | |
| 207 | int |
| 208 | ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, void *data) |
| 209 | { |
| 210 | struct ifnet *ifp = ic->ic_ifp; |
| 211 | int i, j, error; |
| 212 | struct ifreq *ifr = (struct ifreq *)data; |
| 213 | struct wi_req *wreq; |
| 214 | struct wi_ltv_keys *keys; |
| 215 | |
| 216 | wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); |
| 217 | error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); |
| 218 | if (error) |
| 219 | goto out; |
| 220 | wreq->wi_len = 0; |
| 221 | switch (wreq->wi_type) { |
| 222 | case WI_RID_SERIALNO: |
| 223 | case WI_RID_STA_IDENTITY: |
| 224 | /* nothing appropriate */ |
| 225 | break; |
| 226 | case WI_RID_NODENAME: |
| 227 | strlcpy((char *)&wreq->wi_val[1], hostname, |
| 228 | sizeof(wreq->wi_val) - sizeof(wreq->wi_val[0])); |
| 229 | wreq->wi_val[0] = htole16(strlen(hostname)); |
| 230 | wreq->wi_len = (1 + strlen(hostname) + 1) / 2; |
| 231 | break; |
| 232 | case WI_RID_CURRENT_SSID: |
| 233 | if (ic->ic_state != IEEE80211_S_RUN) { |
| 234 | wreq->wi_val[0] = 0; |
| 235 | wreq->wi_len = 1; |
| 236 | break; |
| 237 | } |
| 238 | wreq->wi_val[0] = htole16(ic->ic_bss->ni_esslen); |
| 239 | memcpy(&wreq->wi_val[1], ic->ic_bss->ni_essid, |
| 240 | ic->ic_bss->ni_esslen); |
| 241 | wreq->wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; |
| 242 | break; |
| 243 | case WI_RID_OWN_SSID: |
| 244 | case WI_RID_DESIRED_SSID: |
| 245 | wreq->wi_val[0] = htole16(ic->ic_des_esslen); |
| 246 | memcpy(&wreq->wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); |
| 247 | wreq->wi_len = (1 + ic->ic_des_esslen + 1) / 2; |
| 248 | break; |
| 249 | case WI_RID_CURRENT_BSSID: |
| 250 | if (ic->ic_state == IEEE80211_S_RUN) |
| 251 | IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_bss->ni_bssid); |
| 252 | else |
| 253 | memset(wreq->wi_val, 0, IEEE80211_ADDR_LEN); |
| 254 | wreq->wi_len = IEEE80211_ADDR_LEN / 2; |
| 255 | break; |
| 256 | case WI_RID_CHANNEL_LIST: |
| 257 | memset(wreq->wi_val, 0, sizeof(wreq->wi_val)); |
| 258 | /* |
| 259 | * Since channel 0 is not available for DS, channel 1 |
| 260 | * is assigned to LSB on WaveLAN. |
| 261 | */ |
| 262 | if (ic->ic_phytype == IEEE80211_T_DS) |
| 263 | i = 1; |
| 264 | else |
| 265 | i = 0; |
| 266 | for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) |
| 267 | if (isset(ic->ic_chan_active, i)) { |
| 268 | setbit((u_int8_t *)wreq->wi_val, j); |
| 269 | wreq->wi_len = j / 16 + 1; |
| 270 | } |
| 271 | break; |
| 272 | case WI_RID_OWN_CHNL: |
| 273 | wreq->wi_val[0] = htole16( |
| 274 | ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); |
| 275 | wreq->wi_len = 1; |
| 276 | break; |
| 277 | case WI_RID_CURRENT_CHAN: |
| 278 | wreq->wi_val[0] = htole16( |
| 279 | ieee80211_chan2ieee(ic, ic->ic_curchan)); |
| 280 | wreq->wi_len = 1; |
| 281 | break; |
| 282 | case WI_RID_COMMS_QUALITY: |
| 283 | wreq->wi_val[0] = 0; /* quality */ |
| 284 | wreq->wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); |
| 285 | wreq->wi_val[2] = 0; /* noise */ |
| 286 | wreq->wi_len = 3; |
| 287 | break; |
| 288 | case WI_RID_PROMISC: |
| 289 | wreq->wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); |
| 290 | wreq->wi_len = 1; |
| 291 | break; |
| 292 | case WI_RID_PORTTYPE: |
| 293 | wreq->wi_val[0] = htole16(ic->ic_opmode); |
| 294 | wreq->wi_len = 1; |
| 295 | break; |
| 296 | case WI_RID_MAC_NODE: |
| 297 | IEEE80211_ADDR_COPY(wreq->wi_val, ic->ic_myaddr); |
| 298 | wreq->wi_len = IEEE80211_ADDR_LEN / 2; |
| 299 | break; |
| 300 | case WI_RID_TX_RATE: |
| 301 | if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) |
| 302 | wreq->wi_val[0] = 0; /* auto */ |
| 303 | else |
| 304 | wreq->wi_val[0] = htole16( |
| 305 | (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & |
| 306 | IEEE80211_RATE_VAL) / 2); |
| 307 | wreq->wi_len = 1; |
| 308 | break; |
| 309 | case WI_RID_CUR_TX_RATE: |
| 310 | wreq->wi_val[0] = htole16( |
| 311 | (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & |
| 312 | IEEE80211_RATE_VAL) / 2); |
| 313 | wreq->wi_len = 1; |
| 314 | break; |
| 315 | case WI_RID_FRAG_THRESH: |
| 316 | wreq->wi_val[0] = htole16(ic->ic_fragthreshold); |
| 317 | wreq->wi_len = 1; |
| 318 | break; |
| 319 | case WI_RID_RTS_THRESH: |
| 320 | wreq->wi_val[0] = htole16(ic->ic_rtsthreshold); |
| 321 | wreq->wi_len = 1; |
| 322 | break; |
| 323 | case WI_RID_CREATE_IBSS: |
| 324 | wreq->wi_val[0] = |
| 325 | htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); |
| 326 | wreq->wi_len = 1; |
| 327 | break; |
| 328 | case WI_RID_MICROWAVE_OVEN: |
| 329 | wreq->wi_val[0] = 0; /* no ... not supported */ |
| 330 | wreq->wi_len = 1; |
| 331 | break; |
| 332 | case WI_RID_ROAMING_MODE: |
| 333 | wreq->wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ |
| 334 | wreq->wi_len = 1; |
| 335 | break; |
| 336 | case WI_RID_SYSTEM_SCALE: |
| 337 | wreq->wi_val[0] = htole16(1); /* low density ... not supp */ |
| 338 | wreq->wi_len = 1; |
| 339 | break; |
| 340 | case WI_RID_PM_ENABLED: |
| 341 | wreq->wi_val[0] = |
| 342 | htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); |
| 343 | wreq->wi_len = 1; |
| 344 | break; |
| 345 | case WI_RID_MAX_SLEEP: |
| 346 | wreq->wi_val[0] = htole16(ic->ic_lintval); |
| 347 | wreq->wi_len = 1; |
| 348 | break; |
| 349 | case WI_RID_CUR_BEACON_INT: |
| 350 | wreq->wi_val[0] = htole16(ic->ic_bss->ni_intval); |
| 351 | wreq->wi_len = 1; |
| 352 | break; |
| 353 | case WI_RID_WEP_AVAIL: |
| 354 | wreq->wi_val[0] = htole16(1); /* always available */ |
| 355 | wreq->wi_len = 1; |
| 356 | break; |
| 357 | case WI_RID_CNFAUTHMODE: |
| 358 | wreq->wi_val[0] = htole16(1); /* TODO: open system only */ |
| 359 | wreq->wi_len = 1; |
| 360 | break; |
| 361 | case WI_RID_ENCRYPTION: |
| 362 | wreq->wi_val[0] = |
| 363 | htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); |
| 364 | wreq->wi_len = 1; |
| 365 | break; |
| 366 | case WI_RID_TX_CRYPT_KEY: |
| 367 | wreq->wi_val[0] = htole16(ic->ic_def_txkey); |
| 368 | wreq->wi_len = 1; |
| 369 | break; |
| 370 | case WI_RID_DEFLT_CRYPT_KEYS: |
| 371 | keys = (struct wi_ltv_keys *)wreq; |
| 372 | /* do not show keys to non-root user */ |
| 373 | error = kauth_authorize_network(curlwp->l_cred, |
| 374 | KAUTH_NETWORK_INTERFACE, |
| 375 | KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, |
| 376 | NULL, NULL); |
| 377 | if (error) { |
| 378 | memset(keys, 0, sizeof(*keys)); |
| 379 | error = 0; |
| 380 | break; |
| 381 | } |
| 382 | for (i = 0; i < IEEE80211_WEP_NKID; i++) { |
| 383 | keys->wi_keys[i].wi_keylen = |
| 384 | htole16(ic->ic_nw_keys[i].wk_keylen); |
| 385 | memcpy(keys->wi_keys[i].wi_keydat, |
| 386 | ic->ic_nw_keys[i].wk_key, |
| 387 | ic->ic_nw_keys[i].wk_keylen); |
| 388 | } |
| 389 | wreq->wi_len = sizeof(*keys) / 2; |
| 390 | break; |
| 391 | case WI_RID_MAX_DATALEN: |
| 392 | wreq->wi_val[0] = htole16(ic->ic_fragthreshold); |
| 393 | wreq->wi_len = 1; |
| 394 | break; |
| 395 | case WI_RID_DBM_ADJUST: |
| 396 | /* not supported, we just pass rssi value from driver. */ |
| 397 | break; |
| 398 | case WI_RID_IFACE_STATS: |
| 399 | /* XXX: should be implemented in lower drivers */ |
| 400 | break; |
| 401 | case WI_RID_READ_APS: |
| 402 | /* |
| 403 | * Don't return results until active scan completes. |
| 404 | */ |
| 405 | if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { |
| 406 | struct wi_read_ap_args args; |
| 407 | |
| 408 | args.i = 0; |
| 409 | args.ap = (void *)((char *)wreq->wi_val + sizeof(i)); |
| 410 | args.max = (void *)(wreq + 1); |
| 411 | ieee80211_iterate_nodes(&ic->ic_scan, |
| 412 | wi_read_ap_result, &args); |
| 413 | memcpy(wreq->wi_val, &args.i, sizeof(args.i)); |
| 414 | wreq->wi_len = (sizeof(int) + |
| 415 | sizeof(struct wi_apinfo) * args.i) / 2; |
| 416 | } else |
| 417 | error = EINPROGRESS; |
| 418 | break; |
| 419 | #if 0 |
| 420 | case WI_RID_SCAN_RES: /* compatibility interface */ |
| 421 | if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { |
| 422 | struct wi_read_prism2_args args; |
| 423 | struct wi_scan_p2_hdr *p2; |
| 424 | |
| 425 | /* NB: use Prism2 format so we can include rate info */ |
| 426 | p2 = (struct wi_scan_p2_hdr *)wreq->wi_val; |
| 427 | args.i = 0; |
| 428 | args.res = (void *)&p2[1]; |
| 429 | args.max = (void *)(wreq + 1); |
| 430 | ieee80211_iterate_nodes(&ic->ic_scan, |
| 431 | wi_read_prism2_result, &args); |
| 432 | p2->wi_rsvd = 0; |
| 433 | p2->wi_reason = args.i; |
| 434 | wreq->wi_len = (sizeof(*p2) + |
| 435 | sizeof(struct wi_scan_res) * args.i) / 2; |
| 436 | } else |
| 437 | error = EINPROGRESS; |
| 438 | break; |
| 439 | case WI_RID_READ_CACHE: { |
| 440 | struct wi_read_sigcache_args args; |
| 441 | args.i = 0; |
| 442 | args.wsc = (struct wi_sigcache *) wreq->wi_val; |
| 443 | args.max = (void *)(wreq + 1); |
| 444 | ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); |
| 445 | wreq->wi_len = sizeof(struct wi_sigcache) * args.i / 2; |
| 446 | break; |
| 447 | } |
| 448 | #endif |
| 449 | default: |
| 450 | error = EINVAL; |
| 451 | break; |
| 452 | } |
| 453 | if (error == 0) { |
| 454 | wreq->wi_len++; |
| 455 | error = copyout(wreq, ifr->ifr_data, sizeof(*wreq)); |
| 456 | } |
| 457 | out: |
| 458 | free(wreq, M_TEMP); |
| 459 | return error; |
| 460 | } |
| 461 | |
| 462 | static int |
| 463 | findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) |
| 464 | { |
| 465 | #define IEEERATE(_ic,_m,_i) \ |
| 466 | ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) |
| 467 | int i, nrates = ic->ic_sup_rates[mode].rs_nrates; |
| 468 | for (i = 0; i < nrates; i++) |
| 469 | if (IEEERATE(ic, mode, i) == rate) |
| 470 | return i; |
| 471 | return -1; |
| 472 | #undef IEEERATE |
| 473 | } |
| 474 | |
| 475 | /* |
| 476 | * Prepare to do a user-initiated scan for AP's. If no |
| 477 | * current/default channel is setup or the current channel |
| 478 | * is invalid then pick the first available channel from |
| 479 | * the active list as the place to start the scan. |
| 480 | */ |
| 481 | static int |
| 482 | ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) |
| 483 | { |
| 484 | |
| 485 | /* |
| 486 | * XXX don't permit a scan to be started unless we |
| 487 | * know the device is ready. For the moment this means |
| 488 | * the device is marked up as this is the required to |
| 489 | * initialize the hardware. It would be better to permit |
| 490 | * scanning prior to being up but that'll require some |
| 491 | * changes to the infrastructure. |
| 492 | */ |
| 493 | if (!IS_UP(ic)) |
| 494 | return EINVAL; |
| 495 | memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); |
| 496 | /* |
| 497 | * We force the state to INIT before calling ieee80211_new_state |
| 498 | * to get ieee80211_begin_scan called. We really want to scan w/o |
| 499 | * altering the current state but that's not possible right now. |
| 500 | */ |
| 501 | /* XXX handle proberequest case */ |
| 502 | ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ |
| 503 | return 0; |
| 504 | } |
| 505 | |
| 506 | int |
| 507 | ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, void *data) |
| 508 | { |
| 509 | struct ifnet *ifp = ic->ic_ifp; |
| 510 | int i, j, len, error, rate; |
| 511 | struct ifreq *ifr = (struct ifreq *)data; |
| 512 | struct wi_ltv_keys *keys; |
| 513 | struct wi_req *wreq; |
| 514 | u_int8_t chanlist[IEEE80211_CHAN_BYTES]; |
| 515 | |
| 516 | wreq = malloc(sizeof(*wreq), M_TEMP, M_WAITOK); |
| 517 | error = copyin(ifr->ifr_data, wreq, sizeof(*wreq)); |
| 518 | if (error) |
| 519 | goto out; |
| 520 | len = wreq->wi_len ? (wreq->wi_len - 1) * 2 : 0; |
| 521 | switch (wreq->wi_type) { |
| 522 | case WI_RID_SERIALNO: |
| 523 | case WI_RID_NODENAME: |
| 524 | case WI_RID_CURRENT_SSID: |
| 525 | error = EPERM; |
| 526 | goto out; |
| 527 | case WI_RID_OWN_SSID: |
| 528 | case WI_RID_DESIRED_SSID: |
| 529 | if (le16toh(wreq->wi_val[0]) * 2 > len || |
| 530 | le16toh(wreq->wi_val[0]) > IEEE80211_NWID_LEN) { |
| 531 | error = ENOSPC; |
| 532 | break; |
| 533 | } |
| 534 | memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); |
| 535 | ic->ic_des_esslen = le16toh(wreq->wi_val[0]) * 2; |
| 536 | memcpy(ic->ic_des_essid, &wreq->wi_val[1], ic->ic_des_esslen); |
| 537 | error = ENETRESET; |
| 538 | break; |
| 539 | case WI_RID_CURRENT_BSSID: |
| 540 | error = EPERM; |
| 541 | goto out; |
| 542 | case WI_RID_OWN_CHNL: |
| 543 | if (len != 2) |
| 544 | goto invalid; |
| 545 | i = le16toh(wreq->wi_val[0]); |
| 546 | if (i < 0 || |
| 547 | i > IEEE80211_CHAN_MAX || |
| 548 | isclr(ic->ic_chan_active, i)) |
| 549 | goto invalid; |
| 550 | ic->ic_ibss_chan = &ic->ic_channels[i]; |
| 551 | if (ic->ic_opmode == IEEE80211_M_MONITOR) |
| 552 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 553 | else |
| 554 | error = ENETRESET; |
| 555 | break; |
| 556 | case WI_RID_CURRENT_CHAN: |
| 557 | case WI_RID_COMMS_QUALITY: |
| 558 | error = EPERM; |
| 559 | goto out; |
| 560 | case WI_RID_PROMISC: |
| 561 | if (len != 2) |
| 562 | goto invalid; |
| 563 | if (ifp->if_flags & IFF_PROMISC) { |
| 564 | if (wreq->wi_val[0] == 0) { |
| 565 | ifp->if_flags &= ~IFF_PROMISC; |
| 566 | error = ENETRESET; |
| 567 | } |
| 568 | } else { |
| 569 | if (wreq->wi_val[0] != 0) { |
| 570 | ifp->if_flags |= IFF_PROMISC; |
| 571 | error = ENETRESET; |
| 572 | } |
| 573 | } |
| 574 | break; |
| 575 | case WI_RID_PORTTYPE: |
| 576 | if (len != 2) |
| 577 | goto invalid; |
| 578 | switch (le16toh(wreq->wi_val[0])) { |
| 579 | case IEEE80211_M_STA: |
| 580 | break; |
| 581 | case IEEE80211_M_IBSS: |
| 582 | if (!(ic->ic_caps & IEEE80211_C_IBSS)) |
| 583 | goto invalid; |
| 584 | break; |
| 585 | case IEEE80211_M_AHDEMO: |
| 586 | if (ic->ic_phytype != IEEE80211_T_DS || |
| 587 | !(ic->ic_caps & IEEE80211_C_AHDEMO)) |
| 588 | goto invalid; |
| 589 | break; |
| 590 | case IEEE80211_M_HOSTAP: |
| 591 | if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) |
| 592 | goto invalid; |
| 593 | break; |
| 594 | default: |
| 595 | goto invalid; |
| 596 | } |
| 597 | if (le16toh(wreq->wi_val[0]) != ic->ic_opmode) { |
| 598 | ic->ic_opmode = le16toh(wreq->wi_val[0]); |
| 599 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 600 | } |
| 601 | break; |
| 602 | #if 0 |
| 603 | case WI_RID_MAC_NODE: |
| 604 | if (len != IEEE80211_ADDR_LEN) |
| 605 | goto invalid; |
| 606 | IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq->wi_val); |
| 607 | /* if_init will copy lladdr into ic_myaddr */ |
| 608 | error = ENETRESET; |
| 609 | break; |
| 610 | #endif |
| 611 | case WI_RID_TX_RATE: |
| 612 | if (len != 2) |
| 613 | goto invalid; |
| 614 | if (wreq->wi_val[0] == 0) { |
| 615 | /* auto */ |
| 616 | ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE; |
| 617 | break; |
| 618 | } |
| 619 | rate = 2 * le16toh(wreq->wi_val[0]); |
| 620 | if (ic->ic_curmode == IEEE80211_MODE_AUTO) { |
| 621 | /* |
| 622 | * In autoselect mode search for the rate. We take |
| 623 | * the first instance which may not be right, but we |
| 624 | * are limited by the interface. Note that we also |
| 625 | * lock the mode to insure the rate is meaningful |
| 626 | * when it is used. |
| 627 | */ |
| 628 | for (j = IEEE80211_MODE_11A; |
| 629 | j < IEEE80211_MODE_MAX; j++) { |
| 630 | if ((ic->ic_modecaps & (1<<j)) == 0) |
| 631 | continue; |
| 632 | i = findrate(ic, j, rate); |
| 633 | if (i != -1) { |
| 634 | /* lock mode too */ |
| 635 | ic->ic_curmode = j; |
| 636 | goto setrate; |
| 637 | } |
| 638 | } |
| 639 | } else { |
| 640 | i = findrate(ic, ic->ic_curmode, rate); |
| 641 | if (i != -1) |
| 642 | goto setrate; |
| 643 | } |
| 644 | goto invalid; |
| 645 | setrate: |
| 646 | ic->ic_fixed_rate = i; |
| 647 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 648 | break; |
| 649 | case WI_RID_CUR_TX_RATE: |
| 650 | error = EPERM; |
| 651 | goto out; |
| 652 | case WI_RID_FRAG_THRESH: |
| 653 | if (len != 2) |
| 654 | goto invalid; |
| 655 | ic->ic_fragthreshold = le16toh(wreq->wi_val[0]); |
| 656 | error = ENETRESET; |
| 657 | break; |
| 658 | case WI_RID_RTS_THRESH: |
| 659 | if (len != 2) |
| 660 | goto invalid; |
| 661 | ic->ic_rtsthreshold = le16toh(wreq->wi_val[0]); |
| 662 | error = ENETRESET; |
| 663 | break; |
| 664 | case WI_RID_CREATE_IBSS: |
| 665 | if (len != 2) |
| 666 | goto invalid; |
| 667 | if (wreq->wi_val[0] != 0) { |
| 668 | if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) |
| 669 | goto invalid; |
| 670 | if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { |
| 671 | ic->ic_flags |= IEEE80211_F_IBSSON; |
| 672 | if (ic->ic_opmode == IEEE80211_M_IBSS && |
| 673 | ic->ic_state == IEEE80211_S_SCAN) |
| 674 | error = IS_UP_AUTO(ic) ? ENETRESET : 0; |
| 675 | } |
| 676 | } else { |
| 677 | if (ic->ic_flags & IEEE80211_F_IBSSON) { |
| 678 | ic->ic_flags &= ~IEEE80211_F_IBSSON; |
| 679 | if (ic->ic_flags & IEEE80211_F_SIBSS) { |
| 680 | ic->ic_flags &= ~IEEE80211_F_SIBSS; |
| 681 | error = IS_UP_AUTO(ic) ? ENETRESET : 0; |
| 682 | } |
| 683 | } |
| 684 | } |
| 685 | break; |
| 686 | case WI_RID_MICROWAVE_OVEN: |
| 687 | if (len != 2) |
| 688 | goto invalid; |
| 689 | if (wreq->wi_val[0] != 0) |
| 690 | goto invalid; /* not supported */ |
| 691 | break; |
| 692 | case WI_RID_ROAMING_MODE: |
| 693 | if (len != 2) |
| 694 | goto invalid; |
| 695 | i = le16toh(wreq->wi_val[0]); |
| 696 | if (i > IEEE80211_ROAMING_MANUAL) |
| 697 | goto invalid; /* not supported */ |
| 698 | ic->ic_roaming = i; |
| 699 | break; |
| 700 | case WI_RID_SYSTEM_SCALE: |
| 701 | if (len != 2) |
| 702 | goto invalid; |
| 703 | if (le16toh(wreq->wi_val[0]) != 1) |
| 704 | goto invalid; /* not supported */ |
| 705 | break; |
| 706 | case WI_RID_PM_ENABLED: |
| 707 | if (len != 2) |
| 708 | goto invalid; |
| 709 | if (wreq->wi_val[0] != 0) { |
| 710 | if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) |
| 711 | goto invalid; |
| 712 | if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { |
| 713 | ic->ic_flags |= IEEE80211_F_PMGTON; |
| 714 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 715 | } |
| 716 | } else { |
| 717 | if (ic->ic_flags & IEEE80211_F_PMGTON) { |
| 718 | ic->ic_flags &= ~IEEE80211_F_PMGTON; |
| 719 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 720 | } |
| 721 | } |
| 722 | break; |
| 723 | case WI_RID_MAX_SLEEP: |
| 724 | if (len != 2) |
| 725 | goto invalid; |
| 726 | ic->ic_lintval = le16toh(wreq->wi_val[0]); |
| 727 | if (ic->ic_flags & IEEE80211_F_PMGTON) |
| 728 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 729 | break; |
| 730 | case WI_RID_CUR_BEACON_INT: |
| 731 | case WI_RID_WEP_AVAIL: |
| 732 | error = EPERM; |
| 733 | goto out; |
| 734 | case WI_RID_CNFAUTHMODE: |
| 735 | if (len != 2) |
| 736 | goto invalid; |
| 737 | i = le16toh(wreq->wi_val[0]); |
| 738 | if (i > IEEE80211_AUTH_WPA) |
| 739 | goto invalid; |
| 740 | ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ |
| 741 | error = ENETRESET; |
| 742 | break; |
| 743 | case WI_RID_ENCRYPTION: |
| 744 | if (len != 2) |
| 745 | goto invalid; |
| 746 | if (wreq->wi_val[0] != 0) { |
| 747 | if ((ic->ic_caps & IEEE80211_C_WEP) == 0) |
| 748 | goto invalid; |
| 749 | if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { |
| 750 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 751 | error = ENETRESET; |
| 752 | } |
| 753 | } else { |
| 754 | if (ic->ic_flags & IEEE80211_F_PRIVACY) { |
| 755 | ic->ic_flags &= ~IEEE80211_F_PRIVACY; |
| 756 | error = ENETRESET; |
| 757 | } |
| 758 | } |
| 759 | break; |
| 760 | case WI_RID_TX_CRYPT_KEY: |
| 761 | if (len != 2) |
| 762 | goto invalid; |
| 763 | i = le16toh(wreq->wi_val[0]); |
| 764 | if (i >= IEEE80211_WEP_NKID) |
| 765 | goto invalid; |
| 766 | ic->ic_def_txkey = i; |
| 767 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 768 | break; |
| 769 | case WI_RID_DEFLT_CRYPT_KEYS: |
| 770 | if (len != sizeof(struct wi_ltv_keys)) |
| 771 | goto invalid; |
| 772 | keys = (struct wi_ltv_keys *)wreq; |
| 773 | for (i = 0; i < IEEE80211_WEP_NKID; i++) { |
| 774 | len = le16toh(keys->wi_keys[i].wi_keylen); |
| 775 | if (len != 0 && len < IEEE80211_WEP_KEYLEN) |
| 776 | goto invalid; |
| 777 | if (len > IEEE80211_KEYBUF_SIZE) |
| 778 | goto invalid; |
| 779 | } |
| 780 | for (i = 0; i < IEEE80211_WEP_NKID; i++) { |
| 781 | struct ieee80211_key *k = &ic->ic_nw_keys[i]; |
| 782 | |
| 783 | len = le16toh(keys->wi_keys[i].wi_keylen); |
| 784 | k->wk_keylen = len; |
| 785 | k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; |
| 786 | memset(k->wk_key, 0, sizeof(k->wk_key)); |
| 787 | memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); |
| 788 | #if 0 |
| 789 | k->wk_type = IEEE80211_CIPHER_WEP; |
| 790 | #endif |
| 791 | } |
| 792 | error = ENETRESET; |
| 793 | break; |
| 794 | case WI_RID_MAX_DATALEN: |
| 795 | if (len != 2) |
| 796 | goto invalid; |
| 797 | len = le16toh(wreq->wi_val[0]); |
| 798 | if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) |
| 799 | goto invalid; |
| 800 | ic->ic_fragthreshold = len; |
| 801 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 802 | break; |
| 803 | case WI_RID_IFACE_STATS: |
| 804 | error = EPERM; |
| 805 | break; |
| 806 | case WI_RID_SCAN_REQ: /* XXX wicontrol */ |
| 807 | if (ic->ic_opmode == IEEE80211_M_HOSTAP) |
| 808 | break; |
| 809 | error = ieee80211_setupscan(ic, ic->ic_chan_avail); |
| 810 | if (error == 0) |
| 811 | error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); |
| 812 | break; |
| 813 | case WI_RID_SCAN_APS: |
| 814 | if (ic->ic_opmode == IEEE80211_M_HOSTAP) |
| 815 | break; |
| 816 | len--; /* XXX: tx rate? */ |
| 817 | /* FALLTHRU */ |
| 818 | case WI_RID_CHANNEL_LIST: |
| 819 | memset(chanlist, 0, sizeof(chanlist)); |
| 820 | /* |
| 821 | * Since channel 0 is not available for DS, channel 1 |
| 822 | * is assigned to LSB on WaveLAN. |
| 823 | */ |
| 824 | if (ic->ic_phytype == IEEE80211_T_DS) |
| 825 | i = 1; |
| 826 | else |
| 827 | i = 0; |
| 828 | for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { |
| 829 | if ((j / 8) >= len) |
| 830 | break; |
| 831 | if (isclr((u_int8_t *)wreq->wi_val, j)) |
| 832 | continue; |
| 833 | if (isclr(ic->ic_chan_active, i)) { |
| 834 | if (wreq->wi_type != WI_RID_CHANNEL_LIST) |
| 835 | continue; |
| 836 | if (isclr(ic->ic_chan_avail, i)) { |
| 837 | error = EPERM; |
| 838 | goto out; |
| 839 | } |
| 840 | } |
| 841 | setbit(chanlist, i); |
| 842 | } |
| 843 | error = ieee80211_setupscan(ic, chanlist); |
| 844 | if (wreq->wi_type == WI_RID_CHANNEL_LIST) { |
| 845 | /* NB: ignore error from ieee80211_setupscan */ |
| 846 | error = ENETRESET; |
| 847 | } else if (error == 0) |
| 848 | error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); |
| 849 | break; |
| 850 | default: |
| 851 | goto invalid; |
| 852 | } |
| 853 | if (error == ENETRESET && !IS_UP_AUTO(ic)) |
| 854 | error = 0; |
| 855 | out: |
| 856 | free(wreq, M_TEMP); |
| 857 | return error; |
| 858 | invalid: |
| 859 | free(wreq, M_TEMP); |
| 860 | return EINVAL; |
| 861 | } |
| 862 | |
| 863 | static int |
| 864 | cap2cipher(int flag) |
| 865 | { |
| 866 | switch (flag) { |
| 867 | case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; |
| 868 | case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; |
| 869 | case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; |
| 870 | case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; |
| 871 | case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; |
| 872 | } |
| 873 | return -1; |
| 874 | } |
| 875 | |
| 876 | static int |
| 877 | ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 878 | { |
| 879 | struct ieee80211_node *ni; |
| 880 | struct ieee80211req_key ik; |
| 881 | struct ieee80211_key *wk; |
| 882 | const struct ieee80211_cipher *cip; |
| 883 | u_int kid; |
| 884 | int error; |
| 885 | |
| 886 | if (ireq->i_len != sizeof(ik)) |
| 887 | return EINVAL; |
| 888 | error = copyin(ireq->i_data, &ik, sizeof(ik)); |
| 889 | if (error) |
| 890 | return error; |
| 891 | kid = ik.ik_keyix; |
| 892 | if (kid == IEEE80211_KEYIX_NONE) { |
| 893 | ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); |
| 894 | if (ni == NULL) |
| 895 | return EINVAL; /* XXX */ |
| 896 | wk = &ni->ni_ucastkey; |
| 897 | } else { |
| 898 | if (kid >= IEEE80211_WEP_NKID) |
| 899 | return EINVAL; |
| 900 | wk = &ic->ic_nw_keys[kid]; |
| 901 | IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); |
| 902 | ni = NULL; |
| 903 | } |
| 904 | cip = wk->wk_cipher; |
| 905 | ik.ik_type = cip->ic_cipher; |
| 906 | ik.ik_keylen = wk->wk_keylen; |
| 907 | ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); |
| 908 | if (wk->wk_keyix == ic->ic_def_txkey) |
| 909 | ik.ik_flags |= IEEE80211_KEY_DEFAULT; |
| 910 | if (kauth_authorize_network(curlwp->l_cred, KAUTH_NETWORK_INTERFACE, |
| 911 | KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ic->ic_ifp, NULL, NULL) == 0) { |
| 912 | /* NB: only root can read key data */ |
| 913 | ik.ik_keyrsc = wk->wk_keyrsc; |
| 914 | ik.ik_keytsc = wk->wk_keytsc; |
| 915 | memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); |
| 916 | if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { |
| 917 | memcpy(ik.ik_keydata+wk->wk_keylen, |
| 918 | wk->wk_key + IEEE80211_KEYBUF_SIZE, |
| 919 | IEEE80211_MICBUF_SIZE); |
| 920 | ik.ik_keylen += IEEE80211_MICBUF_SIZE; |
| 921 | } |
| 922 | } else { |
| 923 | ik.ik_keyrsc = 0; |
| 924 | ik.ik_keytsc = 0; |
| 925 | memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); |
| 926 | } |
| 927 | if (ni != NULL) |
| 928 | ieee80211_free_node(ni); |
| 929 | return copyout(&ik, ireq->i_data, sizeof(ik)); |
| 930 | } |
| 931 | |
| 932 | static int |
| 933 | ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 934 | { |
| 935 | size_t len = ireq->i_len; |
| 936 | |
| 937 | if (len > sizeof(ic->ic_chan_active)) |
| 938 | len = sizeof(ic->ic_chan_active); |
| 939 | return copyout(&ic->ic_chan_active, ireq->i_data, len); |
| 940 | } |
| 941 | |
| 942 | static int |
| 943 | ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 944 | { |
| 945 | struct ieee80211req_chaninfo *chans; |
| 946 | uint32_t i, space; |
| 947 | int error; |
| 948 | |
| 949 | /* |
| 950 | * Since channel 0 is not available for DS, channel 1 |
| 951 | * is assigned to LSB on WaveLAN. |
| 952 | */ |
| 953 | if (ic->ic_phytype == IEEE80211_T_DS) |
| 954 | i = 1; |
| 955 | else |
| 956 | i = 0; |
| 957 | |
| 958 | chans = malloc(sizeof(*chans), M_TEMP, M_WAITOK|M_ZERO); |
| 959 | |
| 960 | for (; i <= IEEE80211_CHAN_MAX; i++) |
| 961 | if (isset(ic->ic_chan_avail, i)) { |
| 962 | struct ieee80211_channel *c = &ic->ic_channels[i]; |
| 963 | chans->ic_chans[chans->ic_nchans].ic_freq = c->ic_freq; |
| 964 | chans->ic_chans[chans->ic_nchans].ic_flags = c->ic_flags; |
| 965 | chans->ic_nchans++; |
| 966 | } |
| 967 | space = offsetof(struct ieee80211req_chaninfo, |
| 968 | ic_chans[chans->ic_nchans]); |
| 969 | if (space > ireq->i_len) |
| 970 | space = ireq->i_len; |
| 971 | error = copyout(chans, ireq->i_data, space); |
| 972 | free(chans, M_TEMP); |
| 973 | return error; |
| 974 | } |
| 975 | |
| 976 | static int |
| 977 | ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 978 | { |
| 979 | struct ieee80211_node *ni; |
| 980 | struct ieee80211req_wpaie wpaie; |
| 981 | int error; |
| 982 | |
| 983 | if (ireq->i_len < IEEE80211_ADDR_LEN) |
| 984 | return EINVAL; |
| 985 | error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); |
| 986 | if (error != 0) |
| 987 | return error; |
| 988 | ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); |
| 989 | if (ni == NULL) |
| 990 | return EINVAL; /* XXX */ |
| 991 | memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); |
| 992 | if (ni->ni_wpa_ie != NULL) { |
| 993 | int ielen = ni->ni_wpa_ie[1] + 2; |
| 994 | if (ielen > sizeof(wpaie.wpa_ie)) |
| 995 | ielen = sizeof(wpaie.wpa_ie); |
| 996 | memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); |
| 997 | } |
| 998 | ieee80211_free_node(ni); |
| 999 | if (ireq->i_len > sizeof(wpaie)) |
| 1000 | ireq->i_len = sizeof(wpaie); |
| 1001 | return copyout(&wpaie, ireq->i_data, ireq->i_len); |
| 1002 | } |
| 1003 | |
| 1004 | static int |
| 1005 | ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1006 | { |
| 1007 | struct ieee80211_node *ni; |
| 1008 | u_int8_t macaddr[IEEE80211_ADDR_LEN]; |
| 1009 | const size_t off = offsetof(struct ieee80211req_sta_stats, is_stats); |
| 1010 | int error; |
| 1011 | |
| 1012 | if (ireq->i_len < off) |
| 1013 | return EINVAL; |
| 1014 | error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); |
| 1015 | if (error != 0) |
| 1016 | return error; |
| 1017 | ni = ieee80211_find_node(&ic->ic_sta, macaddr); |
| 1018 | if (ni == NULL) |
| 1019 | return EINVAL; /* XXX */ |
| 1020 | if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) |
| 1021 | ireq->i_len = sizeof(struct ieee80211req_sta_stats); |
| 1022 | /* NB: copy out only the statistics */ |
| 1023 | error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, |
| 1024 | ireq->i_len - off); |
| 1025 | ieee80211_free_node(ni); |
| 1026 | return error; |
| 1027 | } |
| 1028 | |
| 1029 | static void |
| 1030 | get_scan_result(struct ieee80211req_scan_result *sr, |
| 1031 | const struct ieee80211_node *ni) |
| 1032 | { |
| 1033 | struct ieee80211com *ic = ni->ni_ic; |
| 1034 | u_int ielen = 0; |
| 1035 | |
| 1036 | memset(sr, 0, sizeof(*sr)); |
| 1037 | sr->isr_ssid_len = ni->ni_esslen; |
| 1038 | if (ni->ni_wpa_ie != NULL) |
| 1039 | ielen += 2+ni->ni_wpa_ie[1]; |
| 1040 | if (ni->ni_wme_ie != NULL) |
| 1041 | ielen += 2+ni->ni_wme_ie[1]; |
| 1042 | |
| 1043 | /* |
| 1044 | * The value sr->isr_ie_len is defined as a uint8_t, so we |
| 1045 | * need to be careful to avoid an integer overflow. If the |
| 1046 | * value would overflow, we will set isr_ie_len to zero, and |
| 1047 | * ieee80211_ioctl_getscanresults (below) will avoid copying |
| 1048 | * the (overflowing) data. |
| 1049 | */ |
| 1050 | if (ielen > 255) |
| 1051 | ielen = 0; |
| 1052 | sr->isr_ie_len = ielen; |
| 1053 | sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; |
| 1054 | sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); |
| 1055 | if (ni->ni_chan != IEEE80211_CHAN_ANYC) { |
| 1056 | sr->isr_freq = ni->ni_chan->ic_freq; |
| 1057 | sr->isr_flags = ni->ni_chan->ic_flags; |
| 1058 | } |
| 1059 | sr->isr_rssi = ic->ic_node_getrssi(ni); |
| 1060 | sr->isr_intval = ni->ni_intval; |
| 1061 | sr->isr_capinfo = ni->ni_capinfo; |
| 1062 | sr->isr_erp = ni->ni_erp; |
| 1063 | IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); |
| 1064 | sr->isr_nrates = ni->ni_rates.rs_nrates; |
| 1065 | if (sr->isr_nrates > 15) |
| 1066 | sr->isr_nrates = 15; |
| 1067 | memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); |
| 1068 | } |
| 1069 | |
| 1070 | static int |
| 1071 | ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1072 | { |
| 1073 | union { |
| 1074 | struct ieee80211req_scan_result res; |
| 1075 | char data[sizeof(struct ieee80211req_scan_result) + IEEE80211_NWID_LEN + 256 * 2]; |
| 1076 | } u; |
| 1077 | struct ieee80211req_scan_result *sr = &u.res; |
| 1078 | struct ieee80211_node_table *nt; |
| 1079 | struct ieee80211_node *ni; |
| 1080 | int error; |
| 1081 | uint32_t space; |
| 1082 | u_int8_t *p, *cp; |
| 1083 | |
| 1084 | p = ireq->i_data; |
| 1085 | space = ireq->i_len; |
| 1086 | error = 0; |
| 1087 | /* XXX locking */ |
| 1088 | nt = &ic->ic_scan; |
| 1089 | TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { |
| 1090 | /* NB: skip pre-scan node state */ |
| 1091 | if (ni->ni_chan == IEEE80211_CHAN_ANYC) |
| 1092 | continue; |
| 1093 | get_scan_result(sr, ni); |
| 1094 | if (sr->isr_len > sizeof(u)) |
| 1095 | continue; /* XXX */ |
| 1096 | if (space < sr->isr_len) |
| 1097 | break; |
| 1098 | cp = (u_int8_t *)(sr+1); |
| 1099 | memcpy(cp, ni->ni_essid, ni->ni_esslen); |
| 1100 | cp += ni->ni_esslen; |
| 1101 | if (sr->isr_ie_len > 0 && ni->ni_wpa_ie != NULL) { |
| 1102 | memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); |
| 1103 | cp += 2+ni->ni_wpa_ie[1]; |
| 1104 | } |
| 1105 | if (sr->isr_ie_len > 0 && ni->ni_wme_ie != NULL) { |
| 1106 | memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); |
| 1107 | cp += 2+ni->ni_wme_ie[1]; |
| 1108 | } |
| 1109 | error = copyout(sr, p, sr->isr_len); |
| 1110 | if (error) |
| 1111 | break; |
| 1112 | p += sr->isr_len; |
| 1113 | space -= sr->isr_len; |
| 1114 | } |
| 1115 | ireq->i_len -= space; |
| 1116 | return error; |
| 1117 | } |
| 1118 | |
| 1119 | struct stainforeq { |
| 1120 | struct ieee80211com *ic; |
| 1121 | struct ieee80211req_sta_info *si; |
| 1122 | size_t space; |
| 1123 | }; |
| 1124 | |
| 1125 | static size_t |
| 1126 | sta_space(const struct ieee80211_node *ni, size_t *ielen) |
| 1127 | { |
| 1128 | *ielen = 0; |
| 1129 | if (ni->ni_wpa_ie != NULL) |
| 1130 | *ielen += 2+ni->ni_wpa_ie[1]; |
| 1131 | if (ni->ni_wme_ie != NULL) |
| 1132 | *ielen += 2+ni->ni_wme_ie[1]; |
| 1133 | return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, |
| 1134 | sizeof(u_int32_t)); |
| 1135 | } |
| 1136 | |
| 1137 | static void |
| 1138 | get_sta_space(void *arg, struct ieee80211_node *ni) |
| 1139 | { |
| 1140 | struct stainforeq *req = arg; |
| 1141 | struct ieee80211com *ic = ni->ni_ic; |
| 1142 | size_t ielen; |
| 1143 | |
| 1144 | if (ic->ic_opmode == IEEE80211_M_HOSTAP && |
| 1145 | ni->ni_associd == 0) /* only associated stations */ |
| 1146 | return; |
| 1147 | req->space += sta_space(ni, &ielen); |
| 1148 | } |
| 1149 | |
| 1150 | static void |
| 1151 | get_sta_info(void *arg, struct ieee80211_node *ni) |
| 1152 | { |
| 1153 | struct stainforeq *req = arg; |
| 1154 | struct ieee80211com *ic = ni->ni_ic; |
| 1155 | struct ieee80211req_sta_info *si; |
| 1156 | size_t ielen, len; |
| 1157 | u_int8_t *cp; |
| 1158 | |
| 1159 | if (ic->ic_opmode == IEEE80211_M_HOSTAP && |
| 1160 | ni->ni_associd == 0) /* only associated stations */ |
| 1161 | return; |
| 1162 | if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ |
| 1163 | return; |
| 1164 | len = sta_space(ni, &ielen); |
| 1165 | if (len > req->space) |
| 1166 | return; |
| 1167 | si = req->si; |
| 1168 | si->isi_len = len; |
| 1169 | si->isi_ie_len = ielen; |
| 1170 | si->isi_freq = ni->ni_chan->ic_freq; |
| 1171 | si->isi_flags = ni->ni_chan->ic_flags; |
| 1172 | si->isi_state = ni->ni_flags; |
| 1173 | si->isi_authmode = ni->ni_authmode; |
| 1174 | si->isi_rssi = ic->ic_node_getrssi(ni); |
| 1175 | si->isi_capinfo = ni->ni_capinfo; |
| 1176 | si->isi_erp = ni->ni_erp; |
| 1177 | IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); |
| 1178 | si->isi_nrates = ni->ni_rates.rs_nrates; |
| 1179 | if (si->isi_nrates > 15) |
| 1180 | si->isi_nrates = 15; |
| 1181 | memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); |
| 1182 | si->isi_txrate = ni->ni_txrate; |
| 1183 | si->isi_associd = ni->ni_associd; |
| 1184 | si->isi_txpower = ni->ni_txpower; |
| 1185 | si->isi_vlan = ni->ni_vlan; |
| 1186 | if (ni->ni_flags & IEEE80211_NODE_QOS) { |
| 1187 | memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); |
| 1188 | memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); |
| 1189 | } else { |
| 1190 | si->isi_txseqs[0] = ni->ni_txseqs[0]; |
| 1191 | si->isi_rxseqs[0] = ni->ni_rxseqs[0]; |
| 1192 | } |
| 1193 | /* NB: leave all cases in case we relax ni_associd == 0 check */ |
| 1194 | if (ieee80211_node_is_authorized(ni)) |
| 1195 | si->isi_inact = ic->ic_inact_run; |
| 1196 | else if (ni->ni_associd != 0) |
| 1197 | si->isi_inact = ic->ic_inact_auth; |
| 1198 | else |
| 1199 | si->isi_inact = ic->ic_inact_init; |
| 1200 | si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; |
| 1201 | |
| 1202 | cp = (u_int8_t *)(si+1); |
| 1203 | if (ni->ni_wpa_ie != NULL) { |
| 1204 | memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); |
| 1205 | cp += 2+ni->ni_wpa_ie[1]; |
| 1206 | } |
| 1207 | if (ni->ni_wme_ie != NULL) { |
| 1208 | memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); |
| 1209 | cp += 2+ni->ni_wme_ie[1]; |
| 1210 | } |
| 1211 | |
| 1212 | req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len); |
| 1213 | req->space -= len; |
| 1214 | } |
| 1215 | |
| 1216 | static int |
| 1217 | ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1218 | { |
| 1219 | struct stainforeq req; |
| 1220 | int error; |
| 1221 | |
| 1222 | if (ireq->i_len < sizeof(struct stainforeq)) |
| 1223 | return EFAULT; |
| 1224 | |
| 1225 | error = 0; |
| 1226 | req.space = 0; |
| 1227 | ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); |
| 1228 | if (req.space > ireq->i_len) |
| 1229 | req.space = ireq->i_len; |
| 1230 | if (req.space > 0) { |
| 1231 | size_t space; |
| 1232 | void *p; |
| 1233 | |
| 1234 | space = req.space; |
| 1235 | /* XXX M_WAITOK after driver lock released */ |
| 1236 | p = malloc(space, M_TEMP, M_NOWAIT); |
| 1237 | if (p == NULL) |
| 1238 | return ENOMEM; |
| 1239 | req.si = p; |
| 1240 | ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); |
| 1241 | ireq->i_len = space - req.space; |
| 1242 | error = copyout(p, ireq->i_data, ireq->i_len); |
| 1243 | free(p, M_TEMP); |
| 1244 | } else |
| 1245 | ireq->i_len = 0; |
| 1246 | |
| 1247 | return error; |
| 1248 | } |
| 1249 | |
| 1250 | static int |
| 1251 | ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1252 | { |
| 1253 | struct ieee80211_node *ni; |
| 1254 | struct ieee80211req_sta_txpow txpow; |
| 1255 | int error; |
| 1256 | |
| 1257 | if (ireq->i_len != sizeof(txpow)) |
| 1258 | return EINVAL; |
| 1259 | error = copyin(ireq->i_data, &txpow, sizeof(txpow)); |
| 1260 | if (error != 0) |
| 1261 | return error; |
| 1262 | ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); |
| 1263 | if (ni == NULL) |
| 1264 | return EINVAL; /* XXX */ |
| 1265 | txpow.it_txpow = ni->ni_txpower; |
| 1266 | error = copyout(&txpow, ireq->i_data, sizeof(txpow)); |
| 1267 | ieee80211_free_node(ni); |
| 1268 | return error; |
| 1269 | } |
| 1270 | |
| 1271 | static int |
| 1272 | ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1273 | { |
| 1274 | struct ieee80211_wme_state *wme = &ic->ic_wme; |
| 1275 | struct wmeParams *wmep; |
| 1276 | int ac; |
| 1277 | |
| 1278 | if ((ic->ic_caps & IEEE80211_C_WME) == 0) |
| 1279 | return EINVAL; |
| 1280 | |
| 1281 | ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); |
| 1282 | if (ac >= WME_NUM_AC) |
| 1283 | ac = WME_AC_BE; |
| 1284 | if (ireq->i_len & IEEE80211_WMEPARAM_BSS) |
| 1285 | wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; |
| 1286 | else |
| 1287 | wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; |
| 1288 | switch (ireq->i_type) { |
| 1289 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 1290 | ireq->i_val = wmep->wmep_logcwmin; |
| 1291 | break; |
| 1292 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 1293 | ireq->i_val = wmep->wmep_logcwmax; |
| 1294 | break; |
| 1295 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 1296 | ireq->i_val = wmep->wmep_aifsn; |
| 1297 | break; |
| 1298 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 1299 | ireq->i_val = wmep->wmep_txopLimit; |
| 1300 | break; |
| 1301 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 1302 | wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; |
| 1303 | ireq->i_val = wmep->wmep_acm; |
| 1304 | break; |
| 1305 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ |
| 1306 | wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; |
| 1307 | ireq->i_val = !wmep->wmep_noackPolicy; |
| 1308 | break; |
| 1309 | } |
| 1310 | return 0; |
| 1311 | } |
| 1312 | |
| 1313 | static int |
| 1314 | ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1315 | { |
| 1316 | const struct ieee80211_aclator *acl = ic->ic_acl; |
| 1317 | |
| 1318 | return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq)); |
| 1319 | } |
| 1320 | |
| 1321 | #if defined(COMPAT_FREEBSD_NET80211) |
| 1322 | static int |
| 1323 | ieee80211_ioctl_get80211_fbsd(struct ieee80211com *ic, u_long cmd, |
| 1324 | struct ieee80211req *ireq) |
| 1325 | { |
| 1326 | u_int kid, len; |
| 1327 | u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; |
| 1328 | char tmpssid[IEEE80211_NWID_LEN]; |
| 1329 | struct ifnet *ifp = ic->ic_ifp; |
| 1330 | |
| 1331 | int error = 0; |
| 1332 | |
| 1333 | switch (ireq->i_type) { |
| 1334 | case IEEE80211_IOC_SSID: |
| 1335 | switch (ic->ic_state) { |
| 1336 | case IEEE80211_S_INIT: |
| 1337 | case IEEE80211_S_SCAN: |
| 1338 | ireq->i_len = ic->ic_des_esslen; |
| 1339 | memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); |
| 1340 | break; |
| 1341 | default: |
| 1342 | ireq->i_len = ic->ic_bss->ni_esslen; |
| 1343 | memcpy(tmpssid, ic->ic_bss->ni_essid, |
| 1344 | ireq->i_len); |
| 1345 | break; |
| 1346 | } |
| 1347 | error = copyout(tmpssid, ireq->i_data, ireq->i_len); |
| 1348 | break; |
| 1349 | case IEEE80211_IOC_NUMSSIDS: |
| 1350 | ireq->i_val = 1; |
| 1351 | break; |
| 1352 | case IEEE80211_IOC_WEP: |
| 1353 | if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) |
| 1354 | ireq->i_val = IEEE80211_WEP_OFF; |
| 1355 | else if (ic->ic_flags & IEEE80211_F_DROPUNENC) |
| 1356 | ireq->i_val = IEEE80211_WEP_ON; |
| 1357 | else |
| 1358 | ireq->i_val = IEEE80211_WEP_MIXED; |
| 1359 | break; |
| 1360 | case IEEE80211_IOC_WEPKEY: |
| 1361 | kid = (u_int) ireq->i_val; |
| 1362 | if (kid >= IEEE80211_WEP_NKID) |
| 1363 | return EINVAL; |
| 1364 | len = (u_int) ic->ic_nw_keys[kid].wk_keylen; |
| 1365 | /* NB: only root can read WEP keys */ |
| 1366 | if (kauth_authorize_network(curlwp->l_cred, |
| 1367 | KAUTH_NETWORK_INTERFACE, |
| 1368 | KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, NULL, |
| 1369 | NULL) == 0) { |
| 1370 | memcpy(tmpkey, ic->ic_nw_keys[kid].wk_key, len); |
| 1371 | } else { |
| 1372 | memset(tmpkey, 0, len); |
| 1373 | } |
| 1374 | ireq->i_len = len; |
| 1375 | error = copyout(tmpkey, ireq->i_data, len); |
| 1376 | break; |
| 1377 | case IEEE80211_IOC_NUMWEPKEYS: |
| 1378 | ireq->i_val = IEEE80211_WEP_NKID; |
| 1379 | break; |
| 1380 | case IEEE80211_IOC_WEPTXKEY: |
| 1381 | ireq->i_val = ic->ic_def_txkey; |
| 1382 | break; |
| 1383 | case IEEE80211_IOC_CHANNEL: |
| 1384 | ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); |
| 1385 | break; |
| 1386 | case IEEE80211_IOC_POWERSAVE: |
| 1387 | if (ic->ic_flags & IEEE80211_F_PMGTON) |
| 1388 | ireq->i_val = IEEE80211_POWERSAVE_ON; |
| 1389 | else |
| 1390 | ireq->i_val = IEEE80211_POWERSAVE_OFF; |
| 1391 | break; |
| 1392 | case IEEE80211_IOC_POWERSAVESLEEP: |
| 1393 | ireq->i_val = ic->ic_lintval; |
| 1394 | break; |
| 1395 | case IEEE80211_IOC_BSSID: |
| 1396 | if (ireq->i_len != IEEE80211_ADDR_LEN) |
| 1397 | return EINVAL; |
| 1398 | error = copyout(ic->ic_state == IEEE80211_S_RUN ? |
| 1399 | ic->ic_bss->ni_bssid : |
| 1400 | ic->ic_des_bssid, |
| 1401 | ireq->i_data, ireq->i_len); |
| 1402 | break; |
| 1403 | default: |
| 1404 | error = EINVAL; |
| 1405 | break; |
| 1406 | } |
| 1407 | return error; |
| 1408 | } |
| 1409 | #endif /* COMPAT_FREEBSD_NET80211 */ |
| 1410 | |
| 1411 | /* |
| 1412 | * When building the kernel with -O2 on the i386 architecture, gcc |
| 1413 | * seems to want to inline this function into ieee80211_ioctl() |
| 1414 | * (which is the only routine that calls it). When this happens, |
| 1415 | * ieee80211_ioctl() ends up consuming an additional 2K of stack |
| 1416 | * space. (Exactly why it needs so much is unclear.) The problem |
| 1417 | * is that it's possible for ieee80211_ioctl() to invoke other |
| 1418 | * routines (including driver init functions) which could then find |
| 1419 | * themselves perilously close to exhausting the stack. |
| 1420 | * |
| 1421 | * To avoid this, we deliberately prevent gcc from inlining this |
| 1422 | * routine. Another way to avoid this is to use less agressive |
| 1423 | * optimization when compiling this file (i.e. -O instead of -O2) |
| 1424 | * but special-casing the compilation of this one module in the |
| 1425 | * build system would be awkward. |
| 1426 | */ |
| 1427 | #ifdef __GNUC__ |
| 1428 | __attribute__ ((__noinline__)) |
| 1429 | #endif |
| 1430 | static int |
| 1431 | ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, |
| 1432 | struct ieee80211req *ireq) |
| 1433 | { |
| 1434 | const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; |
| 1435 | int error = 0; |
| 1436 | u_int m; |
| 1437 | |
| 1438 | switch (ireq->i_type) { |
| 1439 | case IEEE80211_IOC_AUTHMODE: |
| 1440 | if (ic->ic_flags & IEEE80211_F_WPA) |
| 1441 | ireq->i_val = IEEE80211_AUTH_WPA; |
| 1442 | else |
| 1443 | ireq->i_val = ic->ic_bss->ni_authmode; |
| 1444 | break; |
| 1445 | case IEEE80211_IOC_RTSTHRESHOLD: |
| 1446 | ireq->i_val = ic->ic_rtsthreshold; |
| 1447 | break; |
| 1448 | case IEEE80211_IOC_PROTMODE: |
| 1449 | ireq->i_val = ic->ic_protmode; |
| 1450 | break; |
| 1451 | case IEEE80211_IOC_TXPOWER: |
| 1452 | if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) |
| 1453 | return EINVAL; |
| 1454 | ireq->i_val = ic->ic_txpowlimit; |
| 1455 | break; |
| 1456 | case IEEE80211_IOC_MCASTCIPHER: |
| 1457 | ireq->i_val = rsn->rsn_mcastcipher; |
| 1458 | break; |
| 1459 | case IEEE80211_IOC_MCASTKEYLEN: |
| 1460 | ireq->i_val = rsn->rsn_mcastkeylen; |
| 1461 | break; |
| 1462 | case IEEE80211_IOC_UCASTCIPHERS: |
| 1463 | ireq->i_val = 0; |
| 1464 | for (m = 0x1; m != 0; m <<= 1) |
| 1465 | if (rsn->rsn_ucastcipherset & m) |
| 1466 | ireq->i_val |= 1<<cap2cipher(m); |
| 1467 | break; |
| 1468 | case IEEE80211_IOC_UCASTCIPHER: |
| 1469 | ireq->i_val = rsn->rsn_ucastcipher; |
| 1470 | break; |
| 1471 | case IEEE80211_IOC_UCASTKEYLEN: |
| 1472 | ireq->i_val = rsn->rsn_ucastkeylen; |
| 1473 | break; |
| 1474 | case IEEE80211_IOC_KEYMGTALGS: |
| 1475 | ireq->i_val = rsn->rsn_keymgmtset; |
| 1476 | break; |
| 1477 | case IEEE80211_IOC_RSNCAPS: |
| 1478 | ireq->i_val = rsn->rsn_caps; |
| 1479 | break; |
| 1480 | case IEEE80211_IOC_WPA: |
| 1481 | switch (ic->ic_flags & IEEE80211_F_WPA) { |
| 1482 | case IEEE80211_F_WPA1: |
| 1483 | ireq->i_val = 1; |
| 1484 | break; |
| 1485 | case IEEE80211_F_WPA2: |
| 1486 | ireq->i_val = 2; |
| 1487 | break; |
| 1488 | case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: |
| 1489 | ireq->i_val = 3; |
| 1490 | break; |
| 1491 | default: |
| 1492 | ireq->i_val = 0; |
| 1493 | break; |
| 1494 | } |
| 1495 | break; |
| 1496 | case IEEE80211_IOC_CHANLIST: |
| 1497 | error = ieee80211_ioctl_getchanlist(ic, ireq); |
| 1498 | break; |
| 1499 | case IEEE80211_IOC_ROAMING: |
| 1500 | ireq->i_val = ic->ic_roaming; |
| 1501 | break; |
| 1502 | case IEEE80211_IOC_PRIVACY: |
| 1503 | ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; |
| 1504 | break; |
| 1505 | case IEEE80211_IOC_DROPUNENCRYPTED: |
| 1506 | ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; |
| 1507 | break; |
| 1508 | case IEEE80211_IOC_COUNTERMEASURES: |
| 1509 | ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; |
| 1510 | break; |
| 1511 | case IEEE80211_IOC_DRIVER_CAPS: |
| 1512 | ireq->i_val = ic->ic_caps>>16; |
| 1513 | ireq->i_len = ic->ic_caps&0xffff; |
| 1514 | break; |
| 1515 | case IEEE80211_IOC_WME: |
| 1516 | ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; |
| 1517 | break; |
| 1518 | case IEEE80211_IOC_HIDESSID: |
| 1519 | ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; |
| 1520 | break; |
| 1521 | case IEEE80211_IOC_APBRIDGE: |
| 1522 | ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; |
| 1523 | break; |
| 1524 | case IEEE80211_IOC_OPTIE: |
| 1525 | if (ic->ic_opt_ie == NULL) |
| 1526 | return EINVAL; |
| 1527 | /* NB: truncate, caller can check length */ |
| 1528 | if (ireq->i_len > ic->ic_opt_ie_len) |
| 1529 | ireq->i_len = ic->ic_opt_ie_len; |
| 1530 | error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); |
| 1531 | break; |
| 1532 | case IEEE80211_IOC_WPAKEY: |
| 1533 | error = ieee80211_ioctl_getkey(ic, ireq); |
| 1534 | break; |
| 1535 | case IEEE80211_IOC_CHANINFO: |
| 1536 | error = ieee80211_ioctl_getchaninfo(ic, ireq); |
| 1537 | break; |
| 1538 | case IEEE80211_IOC_WPAIE: |
| 1539 | error = ieee80211_ioctl_getwpaie(ic, ireq); |
| 1540 | break; |
| 1541 | case IEEE80211_IOC_SCAN_RESULTS: |
| 1542 | error = ieee80211_ioctl_getscanresults(ic, ireq); |
| 1543 | break; |
| 1544 | case IEEE80211_IOC_STA_STATS: |
| 1545 | error = ieee80211_ioctl_getstastats(ic, ireq); |
| 1546 | break; |
| 1547 | case IEEE80211_IOC_TXPOWMAX: |
| 1548 | ireq->i_val = ic->ic_bss->ni_txpower; |
| 1549 | break; |
| 1550 | case IEEE80211_IOC_STA_TXPOW: |
| 1551 | error = ieee80211_ioctl_getstatxpow(ic, ireq); |
| 1552 | break; |
| 1553 | case IEEE80211_IOC_STA_INFO: |
| 1554 | error = ieee80211_ioctl_getstainfo(ic, ireq); |
| 1555 | break; |
| 1556 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 1557 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 1558 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 1559 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 1560 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 1561 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ |
| 1562 | error = ieee80211_ioctl_getwmeparam(ic, ireq); |
| 1563 | break; |
| 1564 | case IEEE80211_IOC_DTIM_PERIOD: |
| 1565 | ireq->i_val = ic->ic_dtim_period; |
| 1566 | break; |
| 1567 | case IEEE80211_IOC_BEACON_INTERVAL: |
| 1568 | /* NB: get from ic_bss for station mode */ |
| 1569 | ireq->i_val = ic->ic_bss->ni_intval; |
| 1570 | break; |
| 1571 | case IEEE80211_IOC_PUREG: |
| 1572 | ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; |
| 1573 | break; |
| 1574 | case IEEE80211_IOC_MCAST_RATE: |
| 1575 | ireq->i_val = ic->ic_mcast_rate; |
| 1576 | break; |
| 1577 | case IEEE80211_IOC_FRAGTHRESHOLD: |
| 1578 | ireq->i_val = ic->ic_fragthreshold; |
| 1579 | break; |
| 1580 | case IEEE80211_IOC_MACCMD: |
| 1581 | error = ieee80211_ioctl_getmaccmd(ic, ireq); |
| 1582 | break; |
| 1583 | default: |
| 1584 | #if defined(COMPAT_FREEBSD_NET80211) |
| 1585 | error = ieee80211_ioctl_get80211_fbsd(ic, cmd, ireq); |
| 1586 | #else |
| 1587 | error = EINVAL; |
| 1588 | #endif /* COMPAT_FREEBSD_NET80211 */ |
| 1589 | break; |
| 1590 | } |
| 1591 | return error; |
| 1592 | } |
| 1593 | |
| 1594 | static int |
| 1595 | ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1596 | { |
| 1597 | int error; |
| 1598 | void *ie; |
| 1599 | |
| 1600 | /* |
| 1601 | * NB: Doing this for ap operation could be useful (e.g. for |
| 1602 | * WPA and/or WME) except that it typically is worthless |
| 1603 | * without being able to intervene when processing |
| 1604 | * association response frames--so disallow it for now. |
| 1605 | */ |
| 1606 | if (ic->ic_opmode != IEEE80211_M_STA) |
| 1607 | return EINVAL; |
| 1608 | if (ireq->i_len > IEEE80211_MAX_OPT_IE) |
| 1609 | return EINVAL; |
| 1610 | /* NB: data.length is validated by the wireless extensions code */ |
| 1611 | ie = malloc(ireq->i_len, M_DEVBUF, M_WAITOK); |
| 1612 | if (ie == NULL) |
| 1613 | return ENOMEM; |
| 1614 | error = copyin(ireq->i_data, ie, ireq->i_len); |
| 1615 | /* XXX sanity check data? */ |
| 1616 | if (ic->ic_opt_ie != NULL) |
| 1617 | free(ic->ic_opt_ie, M_DEVBUF); |
| 1618 | ic->ic_opt_ie = ie; |
| 1619 | ic->ic_opt_ie_len = ireq->i_len; |
| 1620 | return error; |
| 1621 | } |
| 1622 | |
| 1623 | static int |
| 1624 | ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1625 | { |
| 1626 | struct ieee80211req_key ik; |
| 1627 | struct ieee80211_node *ni; |
| 1628 | struct ieee80211_key *wk; |
| 1629 | u_int16_t kid; |
| 1630 | int error; |
| 1631 | |
| 1632 | if (ireq->i_len != sizeof(ik)) |
| 1633 | return EINVAL; |
| 1634 | error = copyin(ireq->i_data, &ik, sizeof(ik)); |
| 1635 | if (error) |
| 1636 | return error; |
| 1637 | /* NB: cipher support is verified by ieee80211_crypt_newkey */ |
| 1638 | /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ |
| 1639 | if (ik.ik_keylen > sizeof(ik.ik_keydata)) |
| 1640 | return E2BIG; |
| 1641 | kid = ik.ik_keyix; |
| 1642 | if (kid == IEEE80211_KEYIX_NONE) { |
| 1643 | /* XXX unicast keys currently must be tx/rx */ |
| 1644 | if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) |
| 1645 | return EINVAL; |
| 1646 | if (ic->ic_opmode == IEEE80211_M_STA) { |
| 1647 | ni = ieee80211_ref_node(ic->ic_bss); |
| 1648 | if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { |
| 1649 | ieee80211_free_node(ni); |
| 1650 | return EADDRNOTAVAIL; |
| 1651 | } |
| 1652 | } else { |
| 1653 | ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); |
| 1654 | if (ni == NULL) |
| 1655 | return ENOENT; |
| 1656 | } |
| 1657 | wk = &ni->ni_ucastkey; |
| 1658 | } else { |
| 1659 | if (kid >= IEEE80211_WEP_NKID) |
| 1660 | return EINVAL; |
| 1661 | wk = &ic->ic_nw_keys[kid]; |
| 1662 | ni = NULL; |
| 1663 | } |
| 1664 | error = 0; |
| 1665 | ieee80211_key_update_begin(ic); |
| 1666 | if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { |
| 1667 | wk->wk_keylen = ik.ik_keylen; |
| 1668 | /* NB: MIC presence is implied by cipher type */ |
| 1669 | if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) |
| 1670 | wk->wk_keylen = IEEE80211_KEYBUF_SIZE; |
| 1671 | wk->wk_keyrsc = ik.ik_keyrsc; |
| 1672 | wk->wk_keytsc = 0; /* new key, reset */ |
| 1673 | memset(wk->wk_key, 0, sizeof(wk->wk_key)); |
| 1674 | memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); |
| 1675 | if (!ieee80211_crypto_setkey(ic, wk, |
| 1676 | ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) |
| 1677 | error = EIO; |
| 1678 | else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) |
| 1679 | ic->ic_def_txkey = kid; |
| 1680 | } else |
| 1681 | error = ENXIO; |
| 1682 | ieee80211_key_update_end(ic); |
| 1683 | if (ni != NULL) |
| 1684 | ieee80211_free_node(ni); |
| 1685 | return error; |
| 1686 | } |
| 1687 | |
| 1688 | static int |
| 1689 | ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1690 | { |
| 1691 | struct ieee80211req_del_key dk; |
| 1692 | int kid, error; |
| 1693 | |
| 1694 | if (ireq->i_len != sizeof(dk)) |
| 1695 | return EINVAL; |
| 1696 | error = copyin(ireq->i_data, &dk, sizeof(dk)); |
| 1697 | if (error) |
| 1698 | return error; |
| 1699 | kid = dk.idk_keyix; |
| 1700 | /* XXX u_int8_t -> u_int16_t */ |
| 1701 | if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { |
| 1702 | struct ieee80211_node *ni; |
| 1703 | |
| 1704 | if (ic->ic_opmode == IEEE80211_M_STA) { |
| 1705 | ni = ieee80211_ref_node(ic->ic_bss); |
| 1706 | if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { |
| 1707 | ieee80211_free_node(ni); |
| 1708 | return EADDRNOTAVAIL; |
| 1709 | } |
| 1710 | } else { |
| 1711 | ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); |
| 1712 | if (ni == NULL) |
| 1713 | return ENOENT; |
| 1714 | } |
| 1715 | /* XXX error return */ |
| 1716 | ieee80211_node_delucastkey(ni); |
| 1717 | ieee80211_free_node(ni); |
| 1718 | } else { |
| 1719 | if (kid >= IEEE80211_WEP_NKID) |
| 1720 | return EINVAL; |
| 1721 | /* XXX error return */ |
| 1722 | ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); |
| 1723 | } |
| 1724 | return 0; |
| 1725 | } |
| 1726 | |
| 1727 | #ifndef IEEE80211_NO_HOSTAP |
| 1728 | static void |
| 1729 | domlme(void *arg, struct ieee80211_node *ni) |
| 1730 | { |
| 1731 | struct ieee80211com *ic = ni->ni_ic; |
| 1732 | struct ieee80211req_mlme *mlme = arg; |
| 1733 | |
| 1734 | if (ni->ni_associd != 0) { |
| 1735 | IEEE80211_SEND_MGMT(ic, ni, |
| 1736 | mlme->im_op == IEEE80211_MLME_DEAUTH ? |
| 1737 | IEEE80211_FC0_SUBTYPE_DEAUTH : |
| 1738 | IEEE80211_FC0_SUBTYPE_DISASSOC, |
| 1739 | mlme->im_reason); |
| 1740 | } |
| 1741 | ieee80211_node_leave(ic, ni); |
| 1742 | } |
| 1743 | #endif /* !IEEE80211_NO_HOSTAP */ |
| 1744 | |
| 1745 | static int |
| 1746 | ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1747 | { |
| 1748 | struct ieee80211req_mlme mlme; |
| 1749 | struct ieee80211_node *ni; |
| 1750 | int error; |
| 1751 | |
| 1752 | if (ireq->i_len != sizeof(mlme)) |
| 1753 | return EINVAL; |
| 1754 | error = copyin(ireq->i_data, &mlme, sizeof(mlme)); |
| 1755 | if (error) |
| 1756 | return error; |
| 1757 | switch (mlme.im_op) { |
| 1758 | case IEEE80211_MLME_ASSOC: |
| 1759 | if (ic->ic_opmode != IEEE80211_M_STA) |
| 1760 | return EINVAL; |
| 1761 | /* XXX must be in S_SCAN state? */ |
| 1762 | |
| 1763 | if (mlme.im_ssid_len != 0) { |
| 1764 | /* |
| 1765 | * Desired ssid specified; must match both bssid and |
| 1766 | * ssid to distinguish ap advertising multiple ssid's. |
| 1767 | */ |
| 1768 | ni = ieee80211_find_node_with_ssid(&ic->ic_scan, |
| 1769 | mlme.im_macaddr, |
| 1770 | mlme.im_ssid_len, mlme.im_ssid); |
| 1771 | } else { |
| 1772 | /* |
| 1773 | * Normal case; just match bssid. |
| 1774 | */ |
| 1775 | ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); |
| 1776 | } |
| 1777 | if (ni == NULL) |
| 1778 | return EINVAL; |
| 1779 | if (!ieee80211_sta_join(ic, ni)) { |
| 1780 | ieee80211_free_node(ni); |
| 1781 | return EINVAL; |
| 1782 | } |
| 1783 | break; |
| 1784 | case IEEE80211_MLME_DISASSOC: |
| 1785 | case IEEE80211_MLME_DEAUTH: |
| 1786 | switch (ic->ic_opmode) { |
| 1787 | case IEEE80211_M_STA: |
| 1788 | /* XXX not quite right */ |
| 1789 | ieee80211_new_state(ic, IEEE80211_S_INIT, |
| 1790 | mlme.im_reason); |
| 1791 | break; |
| 1792 | case IEEE80211_M_HOSTAP: |
| 1793 | #ifndef IEEE80211_NO_HOSTAP |
| 1794 | /* NB: the broadcast address means do 'em all */ |
| 1795 | if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { |
| 1796 | if ((ni = ieee80211_find_node(&ic->ic_sta, |
| 1797 | mlme.im_macaddr)) == NULL) |
| 1798 | return EINVAL; |
| 1799 | domlme(&mlme, ni); |
| 1800 | ieee80211_free_node(ni); |
| 1801 | } else { |
| 1802 | ieee80211_iterate_nodes(&ic->ic_sta, |
| 1803 | domlme, &mlme); |
| 1804 | } |
| 1805 | #endif /* !IEEE80211_NO_HOSTAP */ |
| 1806 | break; |
| 1807 | default: |
| 1808 | return EINVAL; |
| 1809 | } |
| 1810 | break; |
| 1811 | case IEEE80211_MLME_AUTHORIZE: |
| 1812 | case IEEE80211_MLME_UNAUTHORIZE: |
| 1813 | if (ic->ic_opmode != IEEE80211_M_HOSTAP) |
| 1814 | return EINVAL; |
| 1815 | ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); |
| 1816 | if (ni == NULL) |
| 1817 | return EINVAL; |
| 1818 | if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) |
| 1819 | ieee80211_node_authorize(ni); |
| 1820 | else |
| 1821 | ieee80211_node_unauthorize(ni); |
| 1822 | ieee80211_free_node(ni); |
| 1823 | break; |
| 1824 | default: |
| 1825 | return EINVAL; |
| 1826 | } |
| 1827 | return 0; |
| 1828 | } |
| 1829 | |
| 1830 | static int |
| 1831 | ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1832 | { |
| 1833 | u_int8_t mac[IEEE80211_ADDR_LEN]; |
| 1834 | const struct ieee80211_aclator *acl = ic->ic_acl; |
| 1835 | int error; |
| 1836 | |
| 1837 | if (ireq->i_len != sizeof(mac)) |
| 1838 | return EINVAL; |
| 1839 | error = copyin(ireq->i_data, mac, ireq->i_len); |
| 1840 | if (error) |
| 1841 | return error; |
| 1842 | if (acl == NULL) { |
| 1843 | acl = ieee80211_aclator_get("mac" ); |
| 1844 | if (acl == NULL || !acl->iac_attach(ic)) |
| 1845 | return EINVAL; |
| 1846 | ic->ic_acl = acl; |
| 1847 | } |
| 1848 | if (ireq->i_type == IEEE80211_IOC_ADDMAC) |
| 1849 | acl->iac_add(ic, mac); |
| 1850 | else |
| 1851 | acl->iac_remove(ic, mac); |
| 1852 | return 0; |
| 1853 | } |
| 1854 | |
| 1855 | static int |
| 1856 | ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1857 | { |
| 1858 | const struct ieee80211_aclator *acl = ic->ic_acl; |
| 1859 | |
| 1860 | switch (ireq->i_val) { |
| 1861 | case IEEE80211_MACCMD_POLICY_OPEN: |
| 1862 | case IEEE80211_MACCMD_POLICY_ALLOW: |
| 1863 | case IEEE80211_MACCMD_POLICY_DENY: |
| 1864 | if (acl == NULL) { |
| 1865 | acl = ieee80211_aclator_get("mac" ); |
| 1866 | if (acl == NULL || !acl->iac_attach(ic)) |
| 1867 | return EINVAL; |
| 1868 | ic->ic_acl = acl; |
| 1869 | } |
| 1870 | acl->iac_setpolicy(ic, ireq->i_val); |
| 1871 | break; |
| 1872 | case IEEE80211_MACCMD_FLUSH: |
| 1873 | if (acl != NULL) |
| 1874 | acl->iac_flush(ic); |
| 1875 | /* NB: silently ignore when not in use */ |
| 1876 | break; |
| 1877 | case IEEE80211_MACCMD_DETACH: |
| 1878 | if (acl != NULL) { |
| 1879 | ic->ic_acl = NULL; |
| 1880 | acl->iac_detach(ic); |
| 1881 | } |
| 1882 | break; |
| 1883 | default: |
| 1884 | if (acl == NULL) |
| 1885 | return EINVAL; |
| 1886 | else |
| 1887 | return acl->iac_setioctl(ic, ireq); |
| 1888 | } |
| 1889 | return 0; |
| 1890 | } |
| 1891 | |
| 1892 | static int |
| 1893 | ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1894 | { |
| 1895 | struct ieee80211req_chanlist list; |
| 1896 | u_int8_t chanlist[IEEE80211_CHAN_BYTES]; |
| 1897 | int i, j, error; |
| 1898 | |
| 1899 | if (ireq->i_len != sizeof(list)) |
| 1900 | return EINVAL; |
| 1901 | error = copyin(ireq->i_data, &list, sizeof(list)); |
| 1902 | if (error) |
| 1903 | return error; |
| 1904 | memset(chanlist, 0, sizeof(chanlist)); |
| 1905 | /* |
| 1906 | * Since channel 0 is not available for DS, channel 1 |
| 1907 | * is assigned to LSB on WaveLAN. |
| 1908 | */ |
| 1909 | if (ic->ic_phytype == IEEE80211_T_DS) |
| 1910 | i = 1; |
| 1911 | else |
| 1912 | i = 0; |
| 1913 | for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { |
| 1914 | /* |
| 1915 | * NB: silently discard unavailable channels so users |
| 1916 | * can specify 1-255 to get all available channels. |
| 1917 | */ |
| 1918 | if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) |
| 1919 | setbit(chanlist, i); |
| 1920 | } |
| 1921 | if (ic->ic_ibss_chan == NULL || |
| 1922 | isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { |
| 1923 | for (i = 0; i <= IEEE80211_CHAN_MAX; i++) |
| 1924 | if (isset(chanlist, i)) { |
| 1925 | ic->ic_ibss_chan = &ic->ic_channels[i]; |
| 1926 | goto found; |
| 1927 | } |
| 1928 | return EINVAL; /* no active channels */ |
| 1929 | found: |
| 1930 | ; |
| 1931 | } |
| 1932 | memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); |
| 1933 | return IS_UP_AUTO(ic) ? ENETRESET : 0; |
| 1934 | } |
| 1935 | |
| 1936 | static int |
| 1937 | ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1938 | { |
| 1939 | struct ieee80211_node *ni; |
| 1940 | struct ieee80211req_sta_txpow txpow; |
| 1941 | int error; |
| 1942 | |
| 1943 | if (ireq->i_len != sizeof(txpow)) |
| 1944 | return EINVAL; |
| 1945 | error = copyin(ireq->i_data, &txpow, sizeof(txpow)); |
| 1946 | if (error != 0) |
| 1947 | return error; |
| 1948 | ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); |
| 1949 | if (ni == NULL) |
| 1950 | return EINVAL; /* XXX */ |
| 1951 | ni->ni_txpower = txpow.it_txpow; |
| 1952 | ieee80211_free_node(ni); |
| 1953 | return error; |
| 1954 | } |
| 1955 | |
| 1956 | static int |
| 1957 | ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) |
| 1958 | { |
| 1959 | struct ieee80211_wme_state *wme = &ic->ic_wme; |
| 1960 | struct wmeParams *wmep, *chanp; |
| 1961 | int isbss, ac; |
| 1962 | |
| 1963 | if ((ic->ic_caps & IEEE80211_C_WME) == 0) |
| 1964 | return EINVAL; |
| 1965 | |
| 1966 | isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); |
| 1967 | ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); |
| 1968 | if (ac >= WME_NUM_AC) |
| 1969 | ac = WME_AC_BE; |
| 1970 | if (isbss) { |
| 1971 | chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; |
| 1972 | wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; |
| 1973 | } else { |
| 1974 | chanp = &wme->wme_chanParams.cap_wmeParams[ac]; |
| 1975 | wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; |
| 1976 | } |
| 1977 | switch (ireq->i_type) { |
| 1978 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 1979 | if (isbss) { |
| 1980 | wmep->wmep_logcwmin = ireq->i_val; |
| 1981 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1982 | chanp->wmep_logcwmin = ireq->i_val; |
| 1983 | } else { |
| 1984 | wmep->wmep_logcwmin = chanp->wmep_logcwmin = |
| 1985 | ireq->i_val; |
| 1986 | } |
| 1987 | break; |
| 1988 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 1989 | if (isbss) { |
| 1990 | wmep->wmep_logcwmax = ireq->i_val; |
| 1991 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1992 | chanp->wmep_logcwmax = ireq->i_val; |
| 1993 | } else { |
| 1994 | wmep->wmep_logcwmax = chanp->wmep_logcwmax = |
| 1995 | ireq->i_val; |
| 1996 | } |
| 1997 | break; |
| 1998 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 1999 | if (isbss) { |
| 2000 | wmep->wmep_aifsn = ireq->i_val; |
| 2001 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 2002 | chanp->wmep_aifsn = ireq->i_val; |
| 2003 | } else { |
| 2004 | wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; |
| 2005 | } |
| 2006 | break; |
| 2007 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 2008 | if (isbss) { |
| 2009 | wmep->wmep_txopLimit = ireq->i_val; |
| 2010 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 2011 | chanp->wmep_txopLimit = ireq->i_val; |
| 2012 | } else { |
| 2013 | wmep->wmep_txopLimit = chanp->wmep_txopLimit = |
| 2014 | ireq->i_val; |
| 2015 | } |
| 2016 | break; |
| 2017 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 2018 | wmep->wmep_acm = ireq->i_val; |
| 2019 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 2020 | chanp->wmep_acm = ireq->i_val; |
| 2021 | break; |
| 2022 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ |
| 2023 | wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = |
| 2024 | (ireq->i_val) == 0; |
| 2025 | break; |
| 2026 | } |
| 2027 | ieee80211_wme_updateparams(ic); |
| 2028 | return 0; |
| 2029 | } |
| 2030 | |
| 2031 | static int |
| 2032 | cipher2cap(int cipher) |
| 2033 | { |
| 2034 | switch (cipher) { |
| 2035 | case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; |
| 2036 | case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; |
| 2037 | case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; |
| 2038 | case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; |
| 2039 | case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; |
| 2040 | } |
| 2041 | return 0; |
| 2042 | } |
| 2043 | |
| 2044 | static int |
| 2045 | ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, |
| 2046 | struct ieee80211req *ireq) |
| 2047 | { |
| 2048 | #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) |
| 2049 | static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; |
| 2050 | u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; |
| 2051 | char tmpssid[IEEE80211_NWID_LEN]; |
| 2052 | u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; |
| 2053 | struct ieee80211_key *k; |
| 2054 | u_int kid; |
| 2055 | #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ |
| 2056 | struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; |
| 2057 | int error; |
| 2058 | const struct ieee80211_authenticator *auth; |
| 2059 | int j, caps; |
| 2060 | |
| 2061 | error = 0; |
| 2062 | switch (ireq->i_type) { |
| 2063 | #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) |
| 2064 | case IEEE80211_IOC_SSID: |
| 2065 | if (ireq->i_val != 0 || |
| 2066 | ireq->i_len > IEEE80211_NWID_LEN) |
| 2067 | return EINVAL; |
| 2068 | error = copyin(ireq->i_data, tmpssid, ireq->i_len); |
| 2069 | if (error) |
| 2070 | break; |
| 2071 | memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); |
| 2072 | ic->ic_des_esslen = ireq->i_len; |
| 2073 | memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); |
| 2074 | error = ENETRESET; |
| 2075 | break; |
| 2076 | #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ |
| 2077 | case IEEE80211_IOC_WEP: |
| 2078 | switch (ireq->i_val) { |
| 2079 | case IEEE80211_WEP_OFF: |
| 2080 | ic->ic_flags &= ~IEEE80211_F_PRIVACY; |
| 2081 | ic->ic_flags &= ~IEEE80211_F_DROPUNENC; |
| 2082 | break; |
| 2083 | case IEEE80211_WEP_ON: |
| 2084 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 2085 | ic->ic_flags |= IEEE80211_F_DROPUNENC; |
| 2086 | break; |
| 2087 | case IEEE80211_WEP_MIXED: |
| 2088 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 2089 | ic->ic_flags &= ~IEEE80211_F_DROPUNENC; |
| 2090 | break; |
| 2091 | } |
| 2092 | error = ENETRESET; |
| 2093 | break; |
| 2094 | #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) |
| 2095 | case IEEE80211_IOC_WEPKEY: |
| 2096 | kid = (u_int) ireq->i_val; |
| 2097 | if (kid >= IEEE80211_WEP_NKID) |
| 2098 | return EINVAL; |
| 2099 | k = &ic->ic_nw_keys[kid]; |
| 2100 | if (ireq->i_len == 0) { |
| 2101 | /* zero-len =>'s delete any existing key */ |
| 2102 | (void) ieee80211_crypto_delkey(ic, k); |
| 2103 | break; |
| 2104 | } |
| 2105 | if (ireq->i_len > sizeof(tmpkey)) |
| 2106 | return EINVAL; |
| 2107 | memset(tmpkey, 0, sizeof(tmpkey)); |
| 2108 | error = copyin(ireq->i_data, tmpkey, ireq->i_len); |
| 2109 | if (error) |
| 2110 | break; |
| 2111 | ieee80211_key_update_begin(ic); |
| 2112 | k->wk_keyix = kid; /* NB: force fixed key id */ |
| 2113 | if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, |
| 2114 | IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { |
| 2115 | k->wk_keylen = ireq->i_len; |
| 2116 | memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); |
| 2117 | if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) |
| 2118 | error = EINVAL; |
| 2119 | } else |
| 2120 | error = EINVAL; |
| 2121 | ieee80211_key_update_end(ic); |
| 2122 | if (!error) /* NB: for compatibility */ |
| 2123 | error = ENETRESET; |
| 2124 | break; |
| 2125 | case IEEE80211_IOC_WEPTXKEY: |
| 2126 | kid = (u_int) ireq->i_val; |
| 2127 | if (kid >= IEEE80211_WEP_NKID && |
| 2128 | (u_int16_t) kid != IEEE80211_KEYIX_NONE) |
| 2129 | return EINVAL; |
| 2130 | ic->ic_def_txkey = kid; |
| 2131 | error = ENETRESET; /* push to hardware */ |
| 2132 | break; |
| 2133 | #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ |
| 2134 | case IEEE80211_IOC_AUTHMODE: |
| 2135 | switch (ireq->i_val) { |
| 2136 | case IEEE80211_AUTH_WPA: |
| 2137 | case IEEE80211_AUTH_8021X: /* 802.1x */ |
| 2138 | case IEEE80211_AUTH_OPEN: /* open */ |
| 2139 | case IEEE80211_AUTH_SHARED: /* shared-key */ |
| 2140 | case IEEE80211_AUTH_AUTO: /* auto */ |
| 2141 | auth = ieee80211_authenticator_get(ireq->i_val); |
| 2142 | if (auth == NULL) |
| 2143 | return EINVAL; |
| 2144 | break; |
| 2145 | default: |
| 2146 | return EINVAL; |
| 2147 | } |
| 2148 | switch (ireq->i_val) { |
| 2149 | case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ |
| 2150 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 2151 | ireq->i_val = IEEE80211_AUTH_8021X; |
| 2152 | break; |
| 2153 | case IEEE80211_AUTH_OPEN: /* open */ |
| 2154 | ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); |
| 2155 | break; |
| 2156 | case IEEE80211_AUTH_SHARED: /* shared-key */ |
| 2157 | case IEEE80211_AUTH_8021X: /* 802.1x */ |
| 2158 | ic->ic_flags &= ~IEEE80211_F_WPA; |
| 2159 | /* both require a key so mark the PRIVACY capability */ |
| 2160 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 2161 | break; |
| 2162 | case IEEE80211_AUTH_AUTO: /* auto */ |
| 2163 | ic->ic_flags &= ~IEEE80211_F_WPA; |
| 2164 | /* XXX PRIVACY handling? */ |
| 2165 | /* XXX what's the right way to do this? */ |
| 2166 | break; |
| 2167 | } |
| 2168 | /* NB: authenticator attach/detach happens on state change */ |
| 2169 | ic->ic_bss->ni_authmode = ireq->i_val; |
| 2170 | /* XXX mixed/mode/usage? */ |
| 2171 | ic->ic_auth = auth; |
| 2172 | error = ENETRESET; |
| 2173 | break; |
| 2174 | #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) |
| 2175 | case IEEE80211_IOC_CHANNEL: |
| 2176 | /* XXX 0xffff overflows 16-bit signed */ |
| 2177 | if (ireq->i_val == 0 || |
| 2178 | ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) |
| 2179 | ic->ic_des_chan = IEEE80211_CHAN_ANYC; |
| 2180 | else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || |
| 2181 | isclr(ic->ic_chan_active, ireq->i_val)) { |
| 2182 | return EINVAL; |
| 2183 | } else |
| 2184 | ic->ic_ibss_chan = ic->ic_des_chan = |
| 2185 | &ic->ic_channels[ireq->i_val]; |
| 2186 | switch (ic->ic_state) { |
| 2187 | case IEEE80211_S_INIT: |
| 2188 | case IEEE80211_S_SCAN: |
| 2189 | error = ENETRESET; |
| 2190 | break; |
| 2191 | default: |
| 2192 | /* |
| 2193 | * If the desired channel has changed (to something |
| 2194 | * other than any) and we're not already scanning, |
| 2195 | * then kick the state machine. |
| 2196 | */ |
| 2197 | if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && |
| 2198 | ic->ic_bss->ni_chan != ic->ic_des_chan && |
| 2199 | (ic->ic_flags & IEEE80211_F_SCAN) == 0) |
| 2200 | error = ENETRESET; |
| 2201 | break; |
| 2202 | } |
| 2203 | if (error == ENETRESET && |
| 2204 | ic->ic_opmode == IEEE80211_M_MONITOR) { |
| 2205 | if (IS_UP(ic)) { |
| 2206 | /* |
| 2207 | * Monitor mode can switch directly. |
| 2208 | */ |
| 2209 | if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) |
| 2210 | ic->ic_curchan = ic->ic_des_chan; |
| 2211 | error = ic->ic_reset(ic->ic_ifp); |
| 2212 | } else |
| 2213 | error = 0; |
| 2214 | } |
| 2215 | break; |
| 2216 | case IEEE80211_IOC_POWERSAVE: |
| 2217 | switch (ireq->i_val) { |
| 2218 | case IEEE80211_POWERSAVE_OFF: |
| 2219 | if (ic->ic_flags & IEEE80211_F_PMGTON) { |
| 2220 | ic->ic_flags &= ~IEEE80211_F_PMGTON; |
| 2221 | error = ENETRESET; |
| 2222 | } |
| 2223 | break; |
| 2224 | case IEEE80211_POWERSAVE_ON: |
| 2225 | if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) |
| 2226 | error = EINVAL; |
| 2227 | else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { |
| 2228 | ic->ic_flags |= IEEE80211_F_PMGTON; |
| 2229 | error = ENETRESET; |
| 2230 | } |
| 2231 | break; |
| 2232 | default: |
| 2233 | error = EINVAL; |
| 2234 | break; |
| 2235 | } |
| 2236 | break; |
| 2237 | case IEEE80211_IOC_POWERSAVESLEEP: |
| 2238 | if (ireq->i_val < 0) |
| 2239 | return EINVAL; |
| 2240 | ic->ic_lintval = ireq->i_val; |
| 2241 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 2242 | break; |
| 2243 | #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ |
| 2244 | case IEEE80211_IOC_RTSTHRESHOLD: |
| 2245 | if (!(IEEE80211_RTS_MIN <= ireq->i_val && |
| 2246 | ireq->i_val <= IEEE80211_RTS_MAX)) |
| 2247 | return EINVAL; |
| 2248 | ic->ic_rtsthreshold = ireq->i_val; |
| 2249 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 2250 | break; |
| 2251 | case IEEE80211_IOC_PROTMODE: |
| 2252 | if (ireq->i_val > IEEE80211_PROT_RTSCTS) |
| 2253 | return EINVAL; |
| 2254 | ic->ic_protmode = ireq->i_val; |
| 2255 | /* NB: if not operating in 11g this can wait */ |
| 2256 | if (ic->ic_curmode == IEEE80211_MODE_11G) |
| 2257 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 2258 | break; |
| 2259 | case IEEE80211_IOC_TXPOWER: |
| 2260 | if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) |
| 2261 | return EINVAL; |
| 2262 | if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && |
| 2263 | ireq->i_val < IEEE80211_TXPOWER_MAX)) |
| 2264 | return EINVAL; |
| 2265 | ic->ic_txpowlimit = ireq->i_val; |
| 2266 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 2267 | break; |
| 2268 | case IEEE80211_IOC_ROAMING: |
| 2269 | if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && |
| 2270 | ireq->i_val <= IEEE80211_ROAMING_MANUAL)) |
| 2271 | return EINVAL; |
| 2272 | ic->ic_roaming = ireq->i_val; |
| 2273 | /* XXXX reset? */ |
| 2274 | break; |
| 2275 | case IEEE80211_IOC_PRIVACY: |
| 2276 | if (ireq->i_val) { |
| 2277 | /* XXX check for key state? */ |
| 2278 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 2279 | } else |
| 2280 | ic->ic_flags &= ~IEEE80211_F_PRIVACY; |
| 2281 | break; |
| 2282 | case IEEE80211_IOC_DROPUNENCRYPTED: |
| 2283 | if (ireq->i_val) |
| 2284 | ic->ic_flags |= IEEE80211_F_DROPUNENC; |
| 2285 | else |
| 2286 | ic->ic_flags &= ~IEEE80211_F_DROPUNENC; |
| 2287 | break; |
| 2288 | case IEEE80211_IOC_WPAKEY: |
| 2289 | error = ieee80211_ioctl_setkey(ic, ireq); |
| 2290 | break; |
| 2291 | case IEEE80211_IOC_DELKEY: |
| 2292 | error = ieee80211_ioctl_delkey(ic, ireq); |
| 2293 | break; |
| 2294 | case IEEE80211_IOC_MLME: |
| 2295 | error = ieee80211_ioctl_setmlme(ic, ireq); |
| 2296 | break; |
| 2297 | case IEEE80211_IOC_OPTIE: |
| 2298 | error = ieee80211_ioctl_setoptie(ic, ireq); |
| 2299 | break; |
| 2300 | case IEEE80211_IOC_COUNTERMEASURES: |
| 2301 | if (ireq->i_val) { |
| 2302 | if ((ic->ic_flags & IEEE80211_F_WPA) == 0) |
| 2303 | return EINVAL; |
| 2304 | ic->ic_flags |= IEEE80211_F_COUNTERM; |
| 2305 | } else |
| 2306 | ic->ic_flags &= ~IEEE80211_F_COUNTERM; |
| 2307 | break; |
| 2308 | case IEEE80211_IOC_WPA: |
| 2309 | if (ireq->i_val > 3) |
| 2310 | return EINVAL; |
| 2311 | /* XXX verify ciphers available */ |
| 2312 | ic->ic_flags &= ~IEEE80211_F_WPA; |
| 2313 | switch (ireq->i_val) { |
| 2314 | case 1: |
| 2315 | ic->ic_flags |= IEEE80211_F_WPA1; |
| 2316 | break; |
| 2317 | case 2: |
| 2318 | ic->ic_flags |= IEEE80211_F_WPA2; |
| 2319 | break; |
| 2320 | case 3: |
| 2321 | ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; |
| 2322 | break; |
| 2323 | } |
| 2324 | error = ENETRESET; /* XXX? */ |
| 2325 | break; |
| 2326 | case IEEE80211_IOC_WME: |
| 2327 | if (ireq->i_val) { |
| 2328 | if ((ic->ic_caps & IEEE80211_C_WME) == 0) |
| 2329 | return EINVAL; |
| 2330 | ic->ic_flags |= IEEE80211_F_WME; |
| 2331 | } else |
| 2332 | ic->ic_flags &= ~IEEE80211_F_WME; |
| 2333 | error = ENETRESET; /* XXX maybe not for station? */ |
| 2334 | break; |
| 2335 | case IEEE80211_IOC_HIDESSID: |
| 2336 | if (ireq->i_val) |
| 2337 | ic->ic_flags |= IEEE80211_F_HIDESSID; |
| 2338 | else |
| 2339 | ic->ic_flags &= ~IEEE80211_F_HIDESSID; |
| 2340 | error = ENETRESET; |
| 2341 | break; |
| 2342 | case IEEE80211_IOC_APBRIDGE: |
| 2343 | if (ireq->i_val == 0) |
| 2344 | ic->ic_flags |= IEEE80211_F_NOBRIDGE; |
| 2345 | else |
| 2346 | ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; |
| 2347 | break; |
| 2348 | case IEEE80211_IOC_MCASTCIPHER: |
| 2349 | if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && |
| 2350 | !ieee80211_crypto_available(ireq->i_val)) |
| 2351 | return EINVAL; |
| 2352 | rsn->rsn_mcastcipher = ireq->i_val; |
| 2353 | error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; |
| 2354 | break; |
| 2355 | case IEEE80211_IOC_MCASTKEYLEN: |
| 2356 | if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) |
| 2357 | return EINVAL; |
| 2358 | /* XXX no way to verify driver capability */ |
| 2359 | rsn->rsn_mcastkeylen = ireq->i_val; |
| 2360 | error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; |
| 2361 | break; |
| 2362 | case IEEE80211_IOC_UCASTCIPHERS: |
| 2363 | /* |
| 2364 | * Convert user-specified cipher set to the set |
| 2365 | * we can support (via hardware or software). |
| 2366 | * NB: this logic intentionally ignores unknown and |
| 2367 | * unsupported ciphers so folks can specify 0xff or |
| 2368 | * similar and get all available ciphers. |
| 2369 | */ |
| 2370 | caps = 0; |
| 2371 | for (j = 1; j < 32; j++) /* NB: skip WEP */ |
| 2372 | if ((ireq->i_val & (1<<j)) && |
| 2373 | ((ic->ic_caps & cipher2cap(j)) || |
| 2374 | ieee80211_crypto_available(j))) |
| 2375 | caps |= 1<<j; |
| 2376 | if (caps == 0) /* nothing available */ |
| 2377 | return EINVAL; |
| 2378 | /* XXX verify ciphers ok for unicast use? */ |
| 2379 | /* XXX disallow if running as it'll have no effect */ |
| 2380 | rsn->rsn_ucastcipherset = caps; |
| 2381 | error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; |
| 2382 | break; |
| 2383 | case IEEE80211_IOC_UCASTCIPHER: |
| 2384 | if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) |
| 2385 | return EINVAL; |
| 2386 | rsn->rsn_ucastcipher = ireq->i_val; |
| 2387 | break; |
| 2388 | case IEEE80211_IOC_UCASTKEYLEN: |
| 2389 | if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) |
| 2390 | return EINVAL; |
| 2391 | /* XXX no way to verify driver capability */ |
| 2392 | rsn->rsn_ucastkeylen = ireq->i_val; |
| 2393 | break; |
| 2394 | case IEEE80211_IOC_DRIVER_CAPS: |
| 2395 | /* NB: for testing */ |
| 2396 | ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | |
| 2397 | ((u_int16_t) ireq->i_len); |
| 2398 | break; |
| 2399 | case IEEE80211_IOC_KEYMGTALGS: |
| 2400 | /* XXX check */ |
| 2401 | rsn->rsn_keymgmtset = ireq->i_val; |
| 2402 | error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; |
| 2403 | break; |
| 2404 | case IEEE80211_IOC_RSNCAPS: |
| 2405 | /* XXX check */ |
| 2406 | rsn->rsn_caps = ireq->i_val; |
| 2407 | error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; |
| 2408 | break; |
| 2409 | #if defined(__FreeBSD__) || defined(COMPAT_FREEBSD_NET80211) |
| 2410 | case IEEE80211_IOC_BSSID: |
| 2411 | /* NB: should only be set when in STA mode */ |
| 2412 | if (ic->ic_opmode != IEEE80211_M_STA) |
| 2413 | return EINVAL; |
| 2414 | if (ireq->i_len != sizeof(tmpbssid)) |
| 2415 | return EINVAL; |
| 2416 | error = copyin(ireq->i_data, tmpbssid, ireq->i_len); |
| 2417 | if (error) |
| 2418 | break; |
| 2419 | IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); |
| 2420 | if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) |
| 2421 | ic->ic_flags &= ~IEEE80211_F_DESBSSID; |
| 2422 | else |
| 2423 | ic->ic_flags |= IEEE80211_F_DESBSSID; |
| 2424 | error = ENETRESET; |
| 2425 | break; |
| 2426 | #endif /* __FreeBSD__ || COMPAT_FREEBSD_NET80211 */ |
| 2427 | case IEEE80211_IOC_CHANLIST: |
| 2428 | error = ieee80211_ioctl_setchanlist(ic, ireq); |
| 2429 | break; |
| 2430 | case IEEE80211_IOC_SCAN_REQ: |
| 2431 | if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ |
| 2432 | break; |
| 2433 | error = ieee80211_setupscan(ic, ic->ic_chan_avail); |
| 2434 | if (error == 0) /* XXX background scan */ |
| 2435 | error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); |
| 2436 | break; |
| 2437 | case IEEE80211_IOC_ADDMAC: |
| 2438 | case IEEE80211_IOC_DELMAC: |
| 2439 | error = ieee80211_ioctl_macmac(ic, ireq); |
| 2440 | break; |
| 2441 | case IEEE80211_IOC_MACCMD: |
| 2442 | error = ieee80211_ioctl_setmaccmd(ic, ireq); |
| 2443 | break; |
| 2444 | case IEEE80211_IOC_STA_TXPOW: |
| 2445 | error = ieee80211_ioctl_setstatxpow(ic, ireq); |
| 2446 | break; |
| 2447 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 2448 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 2449 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 2450 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 2451 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 2452 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ |
| 2453 | error = ieee80211_ioctl_setwmeparam(ic, ireq); |
| 2454 | break; |
| 2455 | case IEEE80211_IOC_DTIM_PERIOD: |
| 2456 | if (ic->ic_opmode != IEEE80211_M_HOSTAP && |
| 2457 | ic->ic_opmode != IEEE80211_M_IBSS) |
| 2458 | return EINVAL; |
| 2459 | if (IEEE80211_DTIM_MIN <= ireq->i_val && |
| 2460 | ireq->i_val <= IEEE80211_DTIM_MAX) { |
| 2461 | ic->ic_dtim_period = ireq->i_val; |
| 2462 | error = ENETRESET; /* requires restart */ |
| 2463 | } else |
| 2464 | error = EINVAL; |
| 2465 | break; |
| 2466 | case IEEE80211_IOC_BEACON_INTERVAL: |
| 2467 | if (ic->ic_opmode != IEEE80211_M_HOSTAP && |
| 2468 | ic->ic_opmode != IEEE80211_M_IBSS) |
| 2469 | return EINVAL; |
| 2470 | if (IEEE80211_BINTVAL_MIN <= ireq->i_val && |
| 2471 | ireq->i_val <= IEEE80211_BINTVAL_MAX) { |
| 2472 | ic->ic_bintval = ireq->i_val; |
| 2473 | error = ENETRESET; /* requires restart */ |
| 2474 | } else |
| 2475 | error = EINVAL; |
| 2476 | break; |
| 2477 | case IEEE80211_IOC_PUREG: |
| 2478 | if (ireq->i_val) |
| 2479 | ic->ic_flags |= IEEE80211_F_PUREG; |
| 2480 | else |
| 2481 | ic->ic_flags &= ~IEEE80211_F_PUREG; |
| 2482 | /* NB: reset only if we're operating on an 11g channel */ |
| 2483 | if (ic->ic_curmode == IEEE80211_MODE_11G) |
| 2484 | error = ENETRESET; |
| 2485 | break; |
| 2486 | case IEEE80211_IOC_MCAST_RATE: |
| 2487 | ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL; |
| 2488 | break; |
| 2489 | case IEEE80211_IOC_FRAGTHRESHOLD: |
| 2490 | if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && |
| 2491 | ireq->i_val != IEEE80211_FRAG_MAX) |
| 2492 | return EINVAL; |
| 2493 | if (!(IEEE80211_FRAG_MIN <= ireq->i_val && |
| 2494 | ireq->i_val <= IEEE80211_FRAG_MAX)) |
| 2495 | return EINVAL; |
| 2496 | ic->ic_fragthreshold = ireq->i_val; |
| 2497 | error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; |
| 2498 | break; |
| 2499 | default: |
| 2500 | error = EINVAL; |
| 2501 | break; |
| 2502 | } |
| 2503 | if (error == ENETRESET && !IS_UP_AUTO(ic)) |
| 2504 | error = 0; |
| 2505 | return error; |
| 2506 | } |
| 2507 | |
| 2508 | #ifdef __FreeBSD__ |
| 2509 | int |
| 2510 | ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, void *data) |
| 2511 | { |
| 2512 | struct ifnet *ifp = ic->ic_ifp; |
| 2513 | int error = 0; |
| 2514 | struct ifreq *ifr; |
| 2515 | struct ifaddr *ifa; /* XXX */ |
| 2516 | |
| 2517 | switch (cmd) { |
| 2518 | case SIOCSIFMEDIA: |
| 2519 | case SIOCGIFMEDIA: |
| 2520 | error = ifmedia_ioctl(ifp, (struct ifreq *) data, |
| 2521 | &ic->ic_media, cmd); |
| 2522 | break; |
| 2523 | case SIOCG80211: |
| 2524 | error = ieee80211_ioctl_get80211(ic, cmd, |
| 2525 | (struct ieee80211req *) data); |
| 2526 | break; |
| 2527 | case SIOCS80211: |
| 2528 | error = suser(curthread); |
| 2529 | if (error == 0) |
| 2530 | error = ieee80211_ioctl_set80211(ic, cmd, |
| 2531 | (struct ieee80211req *) data); |
| 2532 | break; |
| 2533 | case SIOCGIFGENERIC: |
| 2534 | error = ieee80211_cfgget(ic, cmd, data); |
| 2535 | break; |
| 2536 | case SIOCSIFGENERIC: |
| 2537 | error = suser(curthread); |
| 2538 | if (error) |
| 2539 | break; |
| 2540 | error = ieee80211_cfgset(ic, cmd, data); |
| 2541 | break; |
| 2542 | case SIOCG80211STATS: |
| 2543 | ifr = (struct ifreq *)data; |
| 2544 | copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); |
| 2545 | break; |
| 2546 | case SIOCSIFMTU: |
| 2547 | ifr = (struct ifreq *)data; |
| 2548 | if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && |
| 2549 | ifr->ifr_mtu <= IEEE80211_MTU_MAX)) |
| 2550 | error = EINVAL; |
| 2551 | else |
| 2552 | ifp->if_mtu = ifr->ifr_mtu; |
| 2553 | break; |
| 2554 | default: |
| 2555 | error = ether_ioctl(ifp, cmd, data); |
| 2556 | break; |
| 2557 | } |
| 2558 | return error; |
| 2559 | } |
| 2560 | #endif /* __FreeBSD__ */ |
| 2561 | |
| 2562 | #ifdef COMPAT_20 |
| 2563 | static void |
| 2564 | ieee80211_get_ostats(struct ieee80211_ostats *ostats, |
| 2565 | struct ieee80211_stats *stats) |
| 2566 | { |
| 2567 | #define COPYSTATS1(__ostats, __nstats, __dstmemb, __srcmemb, __lastmemb)\ |
| 2568 | (void)memcpy(&(__ostats)->__dstmemb, &(__nstats)->__srcmemb, \ |
| 2569 | offsetof(struct ieee80211_stats, __lastmemb) - \ |
| 2570 | offsetof(struct ieee80211_stats, __srcmemb)) |
| 2571 | #define COPYSTATS(__ostats, __nstats, __dstmemb, __lastmemb) \ |
| 2572 | COPYSTATS1(__ostats, __nstats, __dstmemb, __dstmemb, __lastmemb) |
| 2573 | |
| 2574 | COPYSTATS(ostats, stats, is_rx_badversion, is_rx_unencrypted); |
| 2575 | COPYSTATS(ostats, stats, is_rx_wepfail, is_rx_beacon); |
| 2576 | COPYSTATS(ostats, stats, is_rx_rstoobig, is_rx_auth_countermeasures); |
| 2577 | COPYSTATS(ostats, stats, is_rx_assoc_bss, is_rx_assoc_badwpaie); |
| 2578 | COPYSTATS(ostats, stats, is_rx_deauth, is_rx_unauth); |
| 2579 | COPYSTATS1(ostats, stats, is_tx_nombuf, is_tx_nobuf, is_tx_badcipher); |
| 2580 | COPYSTATS(ostats, stats, is_scan_active, is_crypto_tkip); |
| 2581 | } |
| 2582 | #endif /* COMPAT_20 */ |
| 2583 | |
| 2584 | #ifdef __NetBSD__ |
| 2585 | int |
| 2586 | ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, void *data) |
| 2587 | { |
| 2588 | struct ifnet *ifp = ic->ic_ifp; |
| 2589 | struct ifreq *ifr = (struct ifreq *)data; |
| 2590 | int i, error = 0, kid, klen, s; |
| 2591 | struct ieee80211_key *k; |
| 2592 | struct ieee80211_nwid nwid; |
| 2593 | struct ieee80211_nwkey *nwkey; |
| 2594 | struct ieee80211_power *power; |
| 2595 | struct ieee80211_bssid *bssid; |
| 2596 | struct ieee80211chanreq *chanreq; |
| 2597 | struct ieee80211_channel *chan; |
| 2598 | uint32_t oflags; |
| 2599 | #ifdef COMPAT_20 |
| 2600 | struct ieee80211_ostats ostats; |
| 2601 | #endif /* COMPAT_20 */ |
| 2602 | static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; |
| 2603 | u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; |
| 2604 | |
| 2605 | switch (cmd) { |
| 2606 | #ifdef OSIOCSIFMEDIA |
| 2607 | case OSIOCSIFMEDIA: |
| 2608 | #endif |
| 2609 | case SIOCSIFMEDIA: |
| 2610 | case SIOCGIFMEDIA: |
| 2611 | error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); |
| 2612 | break; |
| 2613 | case SIOCG80211: |
| 2614 | error = ieee80211_ioctl_get80211(ic, cmd, |
| 2615 | (struct ieee80211req *) data); |
| 2616 | break; |
| 2617 | case SIOCS80211: |
| 2618 | if ((error = kauth_authorize_network(curlwp->l_cred, |
| 2619 | KAUTH_NETWORK_INTERFACE, |
| 2620 | KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, |
| 2621 | NULL)) != 0) |
| 2622 | break; |
| 2623 | error = ieee80211_ioctl_set80211(ic, cmd, |
| 2624 | (struct ieee80211req *) data); |
| 2625 | break; |
| 2626 | case SIOCS80211NWID: |
| 2627 | if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) |
| 2628 | break; |
| 2629 | if (nwid.i_len > IEEE80211_NWID_LEN) { |
| 2630 | error = EINVAL; |
| 2631 | break; |
| 2632 | } |
| 2633 | memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); |
| 2634 | ic->ic_des_esslen = nwid.i_len; |
| 2635 | memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); |
| 2636 | error = ENETRESET; |
| 2637 | break; |
| 2638 | case SIOCG80211NWID: |
| 2639 | memset(&nwid, 0, sizeof(nwid)); |
| 2640 | switch (ic->ic_state) { |
| 2641 | case IEEE80211_S_INIT: |
| 2642 | case IEEE80211_S_SCAN: |
| 2643 | nwid.i_len = ic->ic_des_esslen; |
| 2644 | memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); |
| 2645 | break; |
| 2646 | default: |
| 2647 | nwid.i_len = ic->ic_bss->ni_esslen; |
| 2648 | memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); |
| 2649 | break; |
| 2650 | } |
| 2651 | error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); |
| 2652 | break; |
| 2653 | case SIOCS80211NWKEY: |
| 2654 | nwkey = (struct ieee80211_nwkey *)data; |
| 2655 | /* transmit key index out of range? */ |
| 2656 | kid = nwkey->i_defkid - 1; |
| 2657 | if (kid < 0 || kid >= IEEE80211_WEP_NKID) { |
| 2658 | error = EINVAL; |
| 2659 | break; |
| 2660 | } |
| 2661 | /* no such transmit key is set? */ |
| 2662 | if (nwkey->i_key[kid].i_keylen == 0 || |
| 2663 | (nwkey->i_key[kid].i_keylen == -1 && |
| 2664 | ic->ic_nw_keys[kid].wk_keylen == 0)) { |
| 2665 | if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { |
| 2666 | error = EINVAL; |
| 2667 | break; |
| 2668 | } |
| 2669 | } |
| 2670 | /* check key lengths */ |
| 2671 | for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { |
| 2672 | klen = nwkey->i_key[kid].i_keylen; |
| 2673 | if ((klen > 0 && |
| 2674 | klen < IEEE80211_WEP_KEYLEN) || |
| 2675 | klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { |
| 2676 | error = EINVAL; |
| 2677 | break; |
| 2678 | } |
| 2679 | } |
| 2680 | |
| 2681 | if (error) |
| 2682 | break; |
| 2683 | |
| 2684 | /* copy in keys */ |
| 2685 | (void)memset(tmpkey, 0, sizeof(tmpkey)); |
| 2686 | for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { |
| 2687 | klen = nwkey->i_key[kid].i_keylen; |
| 2688 | if (klen <= 0) |
| 2689 | continue; |
| 2690 | if ((error = copyin(nwkey->i_key[kid].i_keydat, |
| 2691 | tmpkey[kid], klen)) != 0) |
| 2692 | break; |
| 2693 | } |
| 2694 | |
| 2695 | if (error) |
| 2696 | break; |
| 2697 | |
| 2698 | /* set keys */ |
| 2699 | ieee80211_key_update_begin(ic); |
| 2700 | for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { |
| 2701 | klen = nwkey->i_key[kid].i_keylen; |
| 2702 | if (klen <= 0) |
| 2703 | continue; |
| 2704 | k = &ic->ic_nw_keys[kid]; |
| 2705 | k->wk_keyix = kid; |
| 2706 | if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, |
| 2707 | IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { |
| 2708 | error = EINVAL; |
| 2709 | continue; |
| 2710 | } |
| 2711 | k->wk_keylen = nwkey->i_key[kid].i_keylen; |
| 2712 | (void)memcpy(k->wk_key, tmpkey[kid], |
| 2713 | sizeof(tmpkey[kid])); |
| 2714 | if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) |
| 2715 | error = EINVAL; |
| 2716 | } |
| 2717 | ieee80211_key_update_end(ic); |
| 2718 | |
| 2719 | if (error) |
| 2720 | break; |
| 2721 | |
| 2722 | /* delete keys */ |
| 2723 | for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { |
| 2724 | klen = nwkey->i_key[kid].i_keylen; |
| 2725 | k = &ic->ic_nw_keys[kid]; |
| 2726 | if (klen <= 0) |
| 2727 | (void)ieee80211_crypto_delkey(ic, k); |
| 2728 | } |
| 2729 | |
| 2730 | /* set transmit key */ |
| 2731 | kid = nwkey->i_defkid - 1; |
| 2732 | if (ic->ic_def_txkey != kid) { |
| 2733 | ic->ic_def_txkey = kid; |
| 2734 | error = ENETRESET; |
| 2735 | } |
| 2736 | oflags = ic->ic_flags; |
| 2737 | if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { |
| 2738 | ic->ic_flags &= ~IEEE80211_F_PRIVACY; |
| 2739 | ic->ic_flags &= ~IEEE80211_F_DROPUNENC; |
| 2740 | } else { |
| 2741 | ic->ic_flags |= IEEE80211_F_PRIVACY; |
| 2742 | ic->ic_flags |= IEEE80211_F_DROPUNENC; |
| 2743 | } |
| 2744 | if (oflags != ic->ic_flags) |
| 2745 | error = ENETRESET; |
| 2746 | break; |
| 2747 | case SIOCG80211NWKEY: |
| 2748 | nwkey = (struct ieee80211_nwkey *)data; |
| 2749 | if (ic->ic_flags & IEEE80211_F_PRIVACY) |
| 2750 | nwkey->i_wepon = IEEE80211_NWKEY_WEP; |
| 2751 | else |
| 2752 | nwkey->i_wepon = IEEE80211_NWKEY_OPEN; |
| 2753 | nwkey->i_defkid = ic->ic_def_txkey + 1; |
| 2754 | for (i = 0; i < IEEE80211_WEP_NKID; i++) { |
| 2755 | if (nwkey->i_key[i].i_keydat == NULL) |
| 2756 | continue; |
| 2757 | /* do not show any keys to non-root user */ |
| 2758 | if ((error = kauth_authorize_network(curlwp->l_cred, |
| 2759 | KAUTH_NETWORK_INTERFACE, |
| 2760 | KAUTH_REQ_NETWORK_INTERFACE_GETPRIV, ifp, |
| 2761 | (void *)cmd, NULL)) != 0) |
| 2762 | break; |
| 2763 | nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; |
| 2764 | if ((error = copyout(ic->ic_nw_keys[i].wk_key, |
| 2765 | nwkey->i_key[i].i_keydat, |
| 2766 | ic->ic_nw_keys[i].wk_keylen)) != 0) |
| 2767 | break; |
| 2768 | } |
| 2769 | break; |
| 2770 | case SIOCS80211POWER: |
| 2771 | power = (struct ieee80211_power *)data; |
| 2772 | ic->ic_lintval = power->i_maxsleep; |
| 2773 | if (power->i_enabled != 0) { |
| 2774 | if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) |
| 2775 | error = EINVAL; |
| 2776 | else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { |
| 2777 | ic->ic_flags |= IEEE80211_F_PMGTON; |
| 2778 | error = ENETRESET; |
| 2779 | } |
| 2780 | } else { |
| 2781 | if (ic->ic_flags & IEEE80211_F_PMGTON) { |
| 2782 | ic->ic_flags &= ~IEEE80211_F_PMGTON; |
| 2783 | error = ENETRESET; |
| 2784 | } |
| 2785 | } |
| 2786 | break; |
| 2787 | case SIOCG80211POWER: |
| 2788 | power = (struct ieee80211_power *)data; |
| 2789 | power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; |
| 2790 | power->i_maxsleep = ic->ic_lintval; |
| 2791 | break; |
| 2792 | case SIOCS80211BSSID: |
| 2793 | bssid = (struct ieee80211_bssid *)data; |
| 2794 | IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); |
| 2795 | if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) |
| 2796 | ic->ic_flags &= ~IEEE80211_F_DESBSSID; |
| 2797 | else |
| 2798 | ic->ic_flags |= IEEE80211_F_DESBSSID; |
| 2799 | error = ENETRESET; |
| 2800 | break; |
| 2801 | case SIOCG80211BSSID: |
| 2802 | bssid = (struct ieee80211_bssid *)data; |
| 2803 | switch (ic->ic_state) { |
| 2804 | case IEEE80211_S_INIT: |
| 2805 | case IEEE80211_S_SCAN: |
| 2806 | if (ic->ic_opmode == IEEE80211_M_HOSTAP) |
| 2807 | IEEE80211_ADDR_COPY(bssid->i_bssid, |
| 2808 | ic->ic_myaddr); |
| 2809 | else if (ic->ic_flags & IEEE80211_F_DESBSSID) |
| 2810 | IEEE80211_ADDR_COPY(bssid->i_bssid, |
| 2811 | ic->ic_des_bssid); |
| 2812 | else |
| 2813 | memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); |
| 2814 | break; |
| 2815 | default: |
| 2816 | IEEE80211_ADDR_COPY(bssid->i_bssid, |
| 2817 | ic->ic_bss->ni_bssid); |
| 2818 | break; |
| 2819 | } |
| 2820 | break; |
| 2821 | case SIOCS80211CHANNEL: |
| 2822 | chanreq = (struct ieee80211chanreq *)data; |
| 2823 | if (chanreq->i_channel == IEEE80211_CHAN_ANY) |
| 2824 | ic->ic_des_chan = IEEE80211_CHAN_ANYC; |
| 2825 | else if (chanreq->i_channel > IEEE80211_CHAN_MAX || |
| 2826 | isclr(ic->ic_chan_active, chanreq->i_channel)) { |
| 2827 | error = EINVAL; |
| 2828 | break; |
| 2829 | } else |
| 2830 | ic->ic_ibss_chan = ic->ic_des_chan = |
| 2831 | &ic->ic_channels[chanreq->i_channel]; |
| 2832 | switch (ic->ic_state) { |
| 2833 | case IEEE80211_S_INIT: |
| 2834 | case IEEE80211_S_SCAN: |
| 2835 | error = ENETRESET; |
| 2836 | break; |
| 2837 | default: |
| 2838 | if (ic->ic_opmode == IEEE80211_M_STA) { |
| 2839 | if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && |
| 2840 | ic->ic_bss->ni_chan != ic->ic_des_chan) |
| 2841 | error = ENETRESET; |
| 2842 | } else if (ic->ic_opmode == IEEE80211_M_MONITOR) { |
| 2843 | ic->ic_curchan = ic->ic_ibss_chan; |
| 2844 | error = ENETRESET; |
| 2845 | } else { |
| 2846 | if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) |
| 2847 | error = ENETRESET; |
| 2848 | } |
| 2849 | break; |
| 2850 | } |
| 2851 | break; |
| 2852 | case SIOCG80211CHANNEL: |
| 2853 | chanreq = (struct ieee80211chanreq *)data; |
| 2854 | switch (ic->ic_state) { |
| 2855 | case IEEE80211_S_INIT: |
| 2856 | case IEEE80211_S_SCAN: |
| 2857 | if (ic->ic_opmode == IEEE80211_M_STA) |
| 2858 | chan = ic->ic_des_chan; |
| 2859 | else |
| 2860 | chan = ic->ic_ibss_chan; |
| 2861 | break; |
| 2862 | default: |
| 2863 | chan = ic->ic_curchan; |
| 2864 | break; |
| 2865 | } |
| 2866 | chanreq->i_channel = ieee80211_chan2ieee(ic, chan); |
| 2867 | break; |
| 2868 | case SIOCGIFGENERIC: |
| 2869 | error = ieee80211_cfgget(ic, cmd, data); |
| 2870 | break; |
| 2871 | case SIOCSIFGENERIC: |
| 2872 | error = kauth_authorize_network(curlwp->l_cred, |
| 2873 | KAUTH_NETWORK_INTERFACE, |
| 2874 | KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, (void *)cmd, |
| 2875 | NULL); |
| 2876 | if (error) |
| 2877 | break; |
| 2878 | error = ieee80211_cfgset(ic, cmd, data); |
| 2879 | break; |
| 2880 | #ifdef COMPAT_20 |
| 2881 | case OSIOCG80211STATS: |
| 2882 | case OSIOCG80211ZSTATS: |
| 2883 | ifr = (struct ifreq *)data; |
| 2884 | s = splnet(); |
| 2885 | ieee80211_get_ostats(&ostats, &ic->ic_stats); |
| 2886 | error = copyout(&ostats, ifr->ifr_data, sizeof(ostats)); |
| 2887 | if (error == 0 && cmd == OSIOCG80211ZSTATS) |
| 2888 | (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); |
| 2889 | splx(s); |
| 2890 | break; |
| 2891 | #endif /* COMPAT_20 */ |
| 2892 | case SIOCG80211ZSTATS: |
| 2893 | case SIOCG80211STATS: |
| 2894 | ifr = (struct ifreq *)data; |
| 2895 | s = splnet(); |
| 2896 | error = copyout(&ic->ic_stats, ifr->ifr_buf, |
| 2897 | MIN(sizeof(ic->ic_stats), ifr->ifr_buflen)); |
| 2898 | if (error == 0 && cmd == SIOCG80211ZSTATS) |
| 2899 | (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); |
| 2900 | splx(s); |
| 2901 | break; |
| 2902 | case SIOCSIFMTU: |
| 2903 | ifr = (struct ifreq *)data; |
| 2904 | if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && |
| 2905 | ifr->ifr_mtu <= IEEE80211_MTU_MAX)) |
| 2906 | error = EINVAL; |
| 2907 | else if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) |
| 2908 | error = 0; |
| 2909 | break; |
| 2910 | default: |
| 2911 | error = ether_ioctl(ifp, cmd, data); |
| 2912 | break; |
| 2913 | } |
| 2914 | return error; |
| 2915 | } |
| 2916 | #endif /* __NetBSD__ */ |
| 2917 | |