1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU General Public License ("GPL") version 2 as published by the Free
19 * Software Foundation.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD: releng/6.0/sys/net80211/ieee80211_ioctl.c 154808 2006-01-25 10:01:26Z cperciva $");
35
36 /*
37 * IEEE 802.11 ioctl support (FreeBSD-specific)
38 */
39
40 #include "opt_inet.h"
41 #include "opt_ipx.h"
42
43 #include <sys/endian.h>
44 #include <sys/param.h>
45 #include <sys/kernel.h>
46 #include <sys/socket.h>
47 #include <sys/sockio.h>
48 #include <sys/systm.h>
49
50 #include <net/if.h>
51 #include <net/if_arp.h>
52 #include <net/if_media.h>
53 #include <net/ethernet.h>
54
55 #ifdef INET
56 #include <netinet/in.h>
57 #include <netinet/if_ether.h>
58 #endif
59
60 #ifdef IPX
61 #include <netipx/ipx.h>
62 #include <netipx/ipx_if.h>
63 #endif
64
65 #include <net80211/ieee80211_var.h>
66 #include <net80211/ieee80211_ioctl.h>
67
68 #include <dev/wi/if_wavelan_ieee.h>
69
70 #define IS_UP(_ic) \
71 (((_ic)->ic_ifp->if_flags & IFF_UP) && \
72 ((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING))
73 #define IS_UP_AUTO(_ic) \
74 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO)
75
76 /*
77 * XXX
78 * Wireless LAN specific configuration interface, which is compatible
79 * with wicontrol(8).
80 */
81
82 struct wi_read_ap_args {
83 int i; /* result count */
84 struct wi_apinfo *ap; /* current entry in result buffer */
85 caddr_t max; /* result buffer bound */
86 };
87
88 static void
89 wi_read_ap_result(void *arg, struct ieee80211_node *ni)
90 {
91 struct ieee80211com *ic = ni->ni_ic;
92 struct wi_read_ap_args *sa = arg;
93 struct wi_apinfo *ap = sa->ap;
94 struct ieee80211_rateset *rs;
95 int j;
96
97 if ((caddr_t)(ap + 1) > sa->max)
98 return;
99 memset(ap, 0, sizeof(struct wi_apinfo));
100 if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
101 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr);
102 ap->namelen = ic->ic_des_esslen;
103 if (ic->ic_des_esslen)
104 memcpy(ap->name, ic->ic_des_essid,
105 ic->ic_des_esslen);
106 } else {
107 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid);
108 ap->namelen = ni->ni_esslen;
109 if (ni->ni_esslen)
110 memcpy(ap->name, ni->ni_essid,
111 ni->ni_esslen);
112 }
113 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan);
114 ap->signal = ic->ic_node_getrssi(ni);
115 ap->capinfo = ni->ni_capinfo;
116 ap->interval = ni->ni_intval;
117 rs = &ni->ni_rates;
118 for (j = 0; j < rs->rs_nrates; j++) {
119 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) {
120 ap->rate = (rs->rs_rates[j] &
121 IEEE80211_RATE_VAL) * 5; /* XXX */
122 }
123 }
124 sa->i++;
125 sa->ap++;
126 }
127
128 struct wi_read_prism2_args {
129 int i; /* result count */
130 struct wi_scan_res *res;/* current entry in result buffer */
131 caddr_t max; /* result buffer bound */
132 };
133
134 static void
135 wi_read_prism2_result(void *arg, struct ieee80211_node *ni)
136 {
137 struct ieee80211com *ic = ni->ni_ic;
138 struct wi_read_prism2_args *sa = arg;
139 struct wi_scan_res *res = sa->res;
140
141 if ((caddr_t)(res + 1) > sa->max)
142 return;
143 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan);
144 res->wi_noise = 0;
145 res->wi_signal = ic->ic_node_getrssi(ni);
146 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid);
147 res->wi_interval = ni->ni_intval;
148 res->wi_capinfo = ni->ni_capinfo;
149 res->wi_ssid_len = ni->ni_esslen;
150 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN);
151 /* NB: assumes wi_srates holds <= ni->ni_rates */
152 memcpy(res->wi_srates, ni->ni_rates.rs_rates,
153 sizeof(res->wi_srates));
154 if (ni->ni_rates.rs_nrates < 10)
155 res->wi_srates[ni->ni_rates.rs_nrates] = 0;
156 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate];
157 res->wi_rsvd = 0;
158
159 sa->i++;
160 sa->res++;
161 }
162
163 struct wi_read_sigcache_args {
164 int i; /* result count */
165 struct wi_sigcache *wsc;/* current entry in result buffer */
166 caddr_t max; /* result buffer bound */
167 };
168
169 static void
170 wi_read_sigcache(void *arg, struct ieee80211_node *ni)
171 {
172 struct ieee80211com *ic = ni->ni_ic;
173 struct wi_read_sigcache_args *sa = arg;
174 struct wi_sigcache *wsc = sa->wsc;
175
176 if ((caddr_t)(wsc + 1) > sa->max)
177 return;
178 memset(wsc, 0, sizeof(struct wi_sigcache));
179 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr);
180 wsc->signal = ic->ic_node_getrssi(ni);
181
182 sa->wsc++;
183 sa->i++;
184 }
185
186 int
187 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data)
188 {
189 struct ifnet *ifp = ic->ic_ifp;
190 int i, j, error;
191 struct ifreq *ifr = (struct ifreq *)data;
192 struct wi_req wreq;
193 struct wi_ltv_keys *keys;
194
195 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
196 if (error)
197 return error;
198 wreq.wi_len = 0;
199 switch (wreq.wi_type) {
200 case WI_RID_SERIALNO:
201 /* nothing appropriate */
202 break;
203 case WI_RID_NODENAME:
204 strcpy((char *)&wreq.wi_val[1], hostname);
205 wreq.wi_val[0] = htole16(strlen(hostname));
206 wreq.wi_len = (1 + strlen(hostname) + 1) / 2;
207 break;
208 case WI_RID_CURRENT_SSID:
209 if (ic->ic_state != IEEE80211_S_RUN) {
210 wreq.wi_val[0] = 0;
211 wreq.wi_len = 1;
212 break;
213 }
214 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen);
215 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid,
216 ic->ic_bss->ni_esslen);
217 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2;
218 break;
219 case WI_RID_OWN_SSID:
220 case WI_RID_DESIRED_SSID:
221 wreq.wi_val[0] = htole16(ic->ic_des_esslen);
222 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen);
223 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2;
224 break;
225 case WI_RID_CURRENT_BSSID:
226 if (ic->ic_state == IEEE80211_S_RUN)
227 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid);
228 else
229 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN);
230 wreq.wi_len = IEEE80211_ADDR_LEN / 2;
231 break;
232 case WI_RID_CHANNEL_LIST:
233 memset(wreq.wi_val, 0, sizeof(wreq.wi_val));
234 /*
235 * Since channel 0 is not available for DS, channel 1
236 * is assigned to LSB on WaveLAN.
237 */
238 if (ic->ic_phytype == IEEE80211_T_DS)
239 i = 1;
240 else
241 i = 0;
242 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++)
243 if (isset(ic->ic_chan_active, i)) {
244 setbit((u_int8_t *)wreq.wi_val, j);
245 wreq.wi_len = j / 16 + 1;
246 }
247 break;
248 case WI_RID_OWN_CHNL:
249 wreq.wi_val[0] = htole16(
250 ieee80211_chan2ieee(ic, ic->ic_ibss_chan));
251 wreq.wi_len = 1;
252 break;
253 case WI_RID_CURRENT_CHAN:
254 wreq.wi_val[0] = htole16(
255 ieee80211_chan2ieee(ic, ic->ic_curchan));
256 wreq.wi_len = 1;
257 break;
258 case WI_RID_COMMS_QUALITY:
259 wreq.wi_val[0] = 0; /* quality */
260 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss));
261 wreq.wi_val[2] = 0; /* noise */
262 wreq.wi_len = 3;
263 break;
264 case WI_RID_PROMISC:
265 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0);
266 wreq.wi_len = 1;
267 break;
268 case WI_RID_PORTTYPE:
269 wreq.wi_val[0] = htole16(ic->ic_opmode);
270 wreq.wi_len = 1;
271 break;
272 case WI_RID_MAC_NODE:
273 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr);
274 wreq.wi_len = IEEE80211_ADDR_LEN / 2;
275 break;
276 case WI_RID_TX_RATE:
277 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE)
278 wreq.wi_val[0] = 0; /* auto */
279 else
280 wreq.wi_val[0] = htole16(
281 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] &
282 IEEE80211_RATE_VAL) / 2);
283 wreq.wi_len = 1;
284 break;
285 case WI_RID_CUR_TX_RATE:
286 wreq.wi_val[0] = htole16(
287 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] &
288 IEEE80211_RATE_VAL) / 2);
289 wreq.wi_len = 1;
290 break;
291 case WI_RID_RTS_THRESH:
292 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold);
293 wreq.wi_len = 1;
294 break;
295 case WI_RID_CREATE_IBSS:
296 wreq.wi_val[0] =
297 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0);
298 wreq.wi_len = 1;
299 break;
300 case WI_RID_MICROWAVE_OVEN:
301 wreq.wi_val[0] = 0; /* no ... not supported */
302 wreq.wi_len = 1;
303 break;
304 case WI_RID_ROAMING_MODE:
305 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */
306 wreq.wi_len = 1;
307 break;
308 case WI_RID_SYSTEM_SCALE:
309 wreq.wi_val[0] = htole16(1); /* low density ... not supp */
310 wreq.wi_len = 1;
311 break;
312 case WI_RID_PM_ENABLED:
313 wreq.wi_val[0] =
314 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0);
315 wreq.wi_len = 1;
316 break;
317 case WI_RID_MAX_SLEEP:
318 wreq.wi_val[0] = htole16(ic->ic_lintval);
319 wreq.wi_len = 1;
320 break;
321 case WI_RID_CUR_BEACON_INT:
322 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval);
323 wreq.wi_len = 1;
324 break;
325 case WI_RID_WEP_AVAIL:
326 wreq.wi_val[0] = htole16(1); /* always available */
327 wreq.wi_len = 1;
328 break;
329 case WI_RID_CNFAUTHMODE:
330 wreq.wi_val[0] = htole16(1); /* TODO: open system only */
331 wreq.wi_len = 1;
332 break;
333 case WI_RID_ENCRYPTION:
334 wreq.wi_val[0] =
335 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0);
336 wreq.wi_len = 1;
337 break;
338 case WI_RID_TX_CRYPT_KEY:
339 wreq.wi_val[0] = htole16(ic->ic_def_txkey);
340 wreq.wi_len = 1;
341 break;
342 case WI_RID_DEFLT_CRYPT_KEYS:
343 keys = (struct wi_ltv_keys *)&wreq;
344 /* do not show keys to non-root user */
345 error = suser(curthread);
346 if (error) {
347 memset(keys, 0, sizeof(*keys));
348 error = 0;
349 break;
350 }
351 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
352 keys->wi_keys[i].wi_keylen =
353 htole16(ic->ic_nw_keys[i].wk_keylen);
354 memcpy(keys->wi_keys[i].wi_keydat,
355 ic->ic_nw_keys[i].wk_key,
356 ic->ic_nw_keys[i].wk_keylen);
357 }
358 wreq.wi_len = sizeof(*keys) / 2;
359 break;
360 case WI_RID_MAX_DATALEN:
361 wreq.wi_val[0] = htole16(ic->ic_fragthreshold);
362 wreq.wi_len = 1;
363 break;
364 case WI_RID_IFACE_STATS:
365 /* XXX: should be implemented in lower drivers */
366 break;
367 case WI_RID_READ_APS:
368 /*
369 * Don't return results until active scan completes.
370 */
371 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) {
372 struct wi_read_ap_args args;
373
374 args.i = 0;
375 args.ap = (void *)((char *)wreq.wi_val + sizeof(i));
376 args.max = (void *)(&wreq + 1);
377 ieee80211_iterate_nodes(&ic->ic_scan,
378 wi_read_ap_result, &args);
379 memcpy(wreq.wi_val, &args.i, sizeof(args.i));
380 wreq.wi_len = (sizeof(int) +
381 sizeof(struct wi_apinfo) * args.i) / 2;
382 } else
383 error = EINPROGRESS;
384 break;
385 case WI_RID_PRISM2:
386 /* NB: we lie so WI_RID_SCAN_RES can include rates */
387 wreq.wi_val[0] = 1;
388 wreq.wi_len = sizeof(u_int16_t) / 2;
389 break;
390 case WI_RID_SCAN_RES: /* compatibility interface */
391 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) {
392 struct wi_read_prism2_args args;
393 struct wi_scan_p2_hdr *p2;
394
395 /* NB: use Prism2 format so we can include rate info */
396 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val;
397 args.i = 0;
398 args.res = (void *)&p2[1];
399 args.max = (void *)(&wreq + 1);
400 ieee80211_iterate_nodes(&ic->ic_scan,
401 wi_read_prism2_result, &args);
402 p2->wi_rsvd = 0;
403 p2->wi_reason = args.i;
404 wreq.wi_len = (sizeof(*p2) +
405 sizeof(struct wi_scan_res) * args.i) / 2;
406 } else
407 error = EINPROGRESS;
408 break;
409 case WI_RID_READ_CACHE: {
410 struct wi_read_sigcache_args args;
411 args.i = 0;
412 args.wsc = (struct wi_sigcache *) wreq.wi_val;
413 args.max = (void *)(&wreq + 1);
414 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args);
415 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2;
416 break;
417 }
418 default:
419 error = EINVAL;
420 break;
421 }
422 if (error == 0) {
423 wreq.wi_len++;
424 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
425 }
426 return error;
427 }
428
429 static int
430 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate)
431 {
432 #define IEEERATE(_ic,_m,_i) \
433 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL)
434 int i, nrates = ic->ic_sup_rates[mode].rs_nrates;
435 for (i = 0; i < nrates; i++)
436 if (IEEERATE(ic, mode, i) == rate)
437 return i;
438 return -1;
439 #undef IEEERATE
440 }
441
442 /*
443 * Prepare to do a user-initiated scan for AP's. If no
444 * current/default channel is setup or the current channel
445 * is invalid then pick the first available channel from
446 * the active list as the place to start the scan.
447 */
448 static int
449 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[])
450 {
451
452 /*
453 * XXX don't permit a scan to be started unless we
454 * know the device is ready. For the moment this means
455 * the device is marked up as this is the required to
456 * initialize the hardware. It would be better to permit
457 * scanning prior to being up but that'll require some
458 * changes to the infrastructure.
459 */
460 if (!IS_UP(ic))
461 return EINVAL;
462 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
463 /*
464 * We force the state to INIT before calling ieee80211_new_state
465 * to get ieee80211_begin_scan called. We really want to scan w/o
466 * altering the current state but that's not possible right now.
467 */
468 /* XXX handle proberequest case */
469 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */
470 return 0;
471 }
472
473 int
474 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data)
475 {
476 struct ifnet *ifp = ic->ic_ifp;
477 int i, j, len, error, rate;
478 struct ifreq *ifr = (struct ifreq *)data;
479 struct wi_ltv_keys *keys;
480 struct wi_req wreq;
481 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)];
482
483 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
484 if (error)
485 return error;
486 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0;
487 switch (wreq.wi_type) {
488 case WI_RID_SERIALNO:
489 case WI_RID_NODENAME:
490 return EPERM;
491 case WI_RID_CURRENT_SSID:
492 return EPERM;
493 case WI_RID_OWN_SSID:
494 case WI_RID_DESIRED_SSID:
495 if (le16toh(wreq.wi_val[0]) * 2 > len ||
496 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) {
497 error = ENOSPC;
498 break;
499 }
500 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid));
501 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2;
502 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen);
503 error = ENETRESET;
504 break;
505 case WI_RID_CURRENT_BSSID:
506 return EPERM;
507 case WI_RID_OWN_CHNL:
508 if (len != 2)
509 return EINVAL;
510 i = le16toh(wreq.wi_val[0]);
511 if (i < 0 ||
512 i > IEEE80211_CHAN_MAX ||
513 isclr(ic->ic_chan_active, i))
514 return EINVAL;
515 ic->ic_ibss_chan = &ic->ic_channels[i];
516 if (ic->ic_opmode == IEEE80211_M_MONITOR)
517 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
518 else
519 error = ENETRESET;
520 break;
521 case WI_RID_CURRENT_CHAN:
522 return EPERM;
523 case WI_RID_COMMS_QUALITY:
524 return EPERM;
525 case WI_RID_PROMISC:
526 if (len != 2)
527 return EINVAL;
528 if (ifp->if_flags & IFF_PROMISC) {
529 if (wreq.wi_val[0] == 0) {
530 ifp->if_flags &= ~IFF_PROMISC;
531 error = ENETRESET;
532 }
533 } else {
534 if (wreq.wi_val[0] != 0) {
535 ifp->if_flags |= IFF_PROMISC;
536 error = ENETRESET;
537 }
538 }
539 break;
540 case WI_RID_PORTTYPE:
541 if (len != 2)
542 return EINVAL;
543 switch (le16toh(wreq.wi_val[0])) {
544 case IEEE80211_M_STA:
545 break;
546 case IEEE80211_M_IBSS:
547 if (!(ic->ic_caps & IEEE80211_C_IBSS))
548 return EINVAL;
549 break;
550 case IEEE80211_M_AHDEMO:
551 if (ic->ic_phytype != IEEE80211_T_DS ||
552 !(ic->ic_caps & IEEE80211_C_AHDEMO))
553 return EINVAL;
554 break;
555 case IEEE80211_M_HOSTAP:
556 if (!(ic->ic_caps & IEEE80211_C_HOSTAP))
557 return EINVAL;
558 break;
559 default:
560 return EINVAL;
561 }
562 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) {
563 ic->ic_opmode = le16toh(wreq.wi_val[0]);
564 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
565 }
566 break;
567 #if 0
568 case WI_RID_MAC_NODE:
569 if (len != IEEE80211_ADDR_LEN)
570 return EINVAL;
571 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val);
572 /* if_init will copy lladdr into ic_myaddr */
573 error = ENETRESET;
574 break;
575 #endif
576 case WI_RID_TX_RATE:
577 if (len != 2)
578 return EINVAL;
579 if (wreq.wi_val[0] == 0) {
580 /* auto */
581 ic->ic_fixed_rate = IEEE80211_FIXED_RATE_NONE;
582 break;
583 }
584 rate = 2 * le16toh(wreq.wi_val[0]);
585 if (ic->ic_curmode == IEEE80211_MODE_AUTO) {
586 /*
587 * In autoselect mode search for the rate. We take
588 * the first instance which may not be right, but we
589 * are limited by the interface. Note that we also
590 * lock the mode to insure the rate is meaningful
591 * when it is used.
592 */
593 for (j = IEEE80211_MODE_11A;
594 j < IEEE80211_MODE_MAX; j++) {
595 if ((ic->ic_modecaps & (1<<j)) == 0)
596 continue;
597 i = findrate(ic, j, rate);
598 if (i != -1) {
599 /* lock mode too */
600 ic->ic_curmode = j;
601 goto setrate;
602 }
603 }
604 } else {
605 i = findrate(ic, ic->ic_curmode, rate);
606 if (i != -1)
607 goto setrate;
608 }
609 return EINVAL;
610 setrate:
611 ic->ic_fixed_rate = i;
612 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
613 break;
614 case WI_RID_CUR_TX_RATE:
615 return EPERM;
616 case WI_RID_RTS_THRESH:
617 if (len != 2)
618 return EINVAL;
619 if (le16toh(wreq.wi_val[0]) != IEEE80211_MAX_LEN)
620 return EINVAL; /* TODO: RTS */
621 break;
622 case WI_RID_CREATE_IBSS:
623 if (len != 2)
624 return EINVAL;
625 if (wreq.wi_val[0] != 0) {
626 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0)
627 return EINVAL;
628 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) {
629 ic->ic_flags |= IEEE80211_F_IBSSON;
630 if (ic->ic_opmode == IEEE80211_M_IBSS &&
631 ic->ic_state == IEEE80211_S_SCAN)
632 error = IS_UP_AUTO(ic) ? ENETRESET : 0;
633 }
634 } else {
635 if (ic->ic_flags & IEEE80211_F_IBSSON) {
636 ic->ic_flags &= ~IEEE80211_F_IBSSON;
637 if (ic->ic_flags & IEEE80211_F_SIBSS) {
638 ic->ic_flags &= ~IEEE80211_F_SIBSS;
639 error = IS_UP_AUTO(ic) ? ENETRESET : 0;
640 }
641 }
642 }
643 break;
644 case WI_RID_MICROWAVE_OVEN:
645 if (len != 2)
646 return EINVAL;
647 if (wreq.wi_val[0] != 0)
648 return EINVAL; /* not supported */
649 break;
650 case WI_RID_ROAMING_MODE:
651 if (len != 2)
652 return EINVAL;
653 i = le16toh(wreq.wi_val[0]);
654 if (i > IEEE80211_ROAMING_MANUAL)
655 return EINVAL; /* not supported */
656 ic->ic_roaming = i;
657 break;
658 case WI_RID_SYSTEM_SCALE:
659 if (len != 2)
660 return EINVAL;
661 if (le16toh(wreq.wi_val[0]) != 1)
662 return EINVAL; /* not supported */
663 break;
664 case WI_RID_PM_ENABLED:
665 if (len != 2)
666 return EINVAL;
667 if (wreq.wi_val[0] != 0) {
668 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
669 return EINVAL;
670 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
671 ic->ic_flags |= IEEE80211_F_PMGTON;
672 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
673 }
674 } else {
675 if (ic->ic_flags & IEEE80211_F_PMGTON) {
676 ic->ic_flags &= ~IEEE80211_F_PMGTON;
677 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
678 }
679 }
680 break;
681 case WI_RID_MAX_SLEEP:
682 if (len != 2)
683 return EINVAL;
684 ic->ic_lintval = le16toh(wreq.wi_val[0]);
685 if (ic->ic_flags & IEEE80211_F_PMGTON)
686 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
687 break;
688 case WI_RID_CUR_BEACON_INT:
689 return EPERM;
690 case WI_RID_WEP_AVAIL:
691 return EPERM;
692 case WI_RID_CNFAUTHMODE:
693 if (len != 2)
694 return EINVAL;
695 i = le16toh(wreq.wi_val[0]);
696 if (i > IEEE80211_AUTH_WPA)
697 return EINVAL;
698 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */
699 error = ENETRESET;
700 break;
701 case WI_RID_ENCRYPTION:
702 if (len != 2)
703 return EINVAL;
704 if (wreq.wi_val[0] != 0) {
705 if ((ic->ic_caps & IEEE80211_C_WEP) == 0)
706 return EINVAL;
707 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) {
708 ic->ic_flags |= IEEE80211_F_PRIVACY;
709 error = ENETRESET;
710 }
711 } else {
712 if (ic->ic_flags & IEEE80211_F_PRIVACY) {
713 ic->ic_flags &= ~IEEE80211_F_PRIVACY;
714 error = ENETRESET;
715 }
716 }
717 break;
718 case WI_RID_TX_CRYPT_KEY:
719 if (len != 2)
720 return EINVAL;
721 i = le16toh(wreq.wi_val[0]);
722 if (i >= IEEE80211_WEP_NKID)
723 return EINVAL;
724 ic->ic_def_txkey = i;
725 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
726 break;
727 case WI_RID_DEFLT_CRYPT_KEYS:
728 if (len != sizeof(struct wi_ltv_keys))
729 return EINVAL;
730 keys = (struct wi_ltv_keys *)&wreq;
731 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
732 len = le16toh(keys->wi_keys[i].wi_keylen);
733 if (len != 0 && len < IEEE80211_WEP_KEYLEN)
734 return EINVAL;
735 if (len > IEEE80211_KEYBUF_SIZE)
736 return EINVAL;
737 }
738 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
739 struct ieee80211_key *k = &ic->ic_nw_keys[i];
740
741 len = le16toh(keys->wi_keys[i].wi_keylen);
742 k->wk_keylen = len;
743 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV;
744 memset(k->wk_key, 0, sizeof(k->wk_key));
745 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len);
746 #if 0
747 k->wk_type = IEEE80211_CIPHER_WEP;
748 #endif
749 }
750 error = ENETRESET;
751 break;
752 case WI_RID_MAX_DATALEN:
753 if (len != 2)
754 return EINVAL;
755 len = le16toh(wreq.wi_val[0]);
756 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN)
757 return EINVAL;
758 ic->ic_fragthreshold = len;
759 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
760 break;
761 case WI_RID_IFACE_STATS:
762 error = EPERM;
763 break;
764 case WI_RID_SCAN_REQ: /* XXX wicontrol */
765 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
766 break;
767 error = ieee80211_setupscan(ic, ic->ic_chan_avail);
768 if (error == 0)
769 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
770 break;
771 case WI_RID_SCAN_APS:
772 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
773 break;
774 len--; /* XXX: tx rate? */
775 /* FALLTHRU */
776 case WI_RID_CHANNEL_LIST:
777 memset(chanlist, 0, sizeof(chanlist));
778 /*
779 * Since channel 0 is not available for DS, channel 1
780 * is assigned to LSB on WaveLAN.
781 */
782 if (ic->ic_phytype == IEEE80211_T_DS)
783 i = 1;
784 else
785 i = 0;
786 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
787 if ((j / 8) >= len)
788 break;
789 if (isclr((u_int8_t *)wreq.wi_val, j))
790 continue;
791 if (isclr(ic->ic_chan_active, i)) {
792 if (wreq.wi_type != WI_RID_CHANNEL_LIST)
793 continue;
794 if (isclr(ic->ic_chan_avail, i))
795 return EPERM;
796 }
797 setbit(chanlist, i);
798 }
799 error = ieee80211_setupscan(ic, chanlist);
800 if (wreq.wi_type == WI_RID_CHANNEL_LIST) {
801 /* NB: ignore error from ieee80211_setupscan */
802 error = ENETRESET;
803 } else if (error == 0)
804 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
805 break;
806 default:
807 error = EINVAL;
808 break;
809 }
810 if (error == ENETRESET && !IS_UP_AUTO(ic))
811 error = 0;
812 return error;
813 }
814
815 static int
816 cap2cipher(int flag)
817 {
818 switch (flag) {
819 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP;
820 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB;
821 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM;
822 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP;
823 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP;
824 }
825 return -1;
826 }
827
828 static int
829 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq)
830 {
831 struct ieee80211_node *ni;
832 struct ieee80211req_key ik;
833 struct ieee80211_key *wk;
834 const struct ieee80211_cipher *cip;
835 u_int kid;
836 int error;
837
838 if (ireq->i_len != sizeof(ik))
839 return EINVAL;
840 error = copyin(ireq->i_data, &ik, sizeof(ik));
841 if (error)
842 return error;
843 kid = ik.ik_keyix;
844 if (kid == IEEE80211_KEYIX_NONE) {
845 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr);
846 if (ni == NULL)
847 return EINVAL; /* XXX */
848 wk = &ni->ni_ucastkey;
849 } else {
850 if (kid >= IEEE80211_WEP_NKID)
851 return EINVAL;
852 wk = &ic->ic_nw_keys[kid];
853 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr);
854 ni = NULL;
855 }
856 cip = wk->wk_cipher;
857 ik.ik_type = cip->ic_cipher;
858 ik.ik_keylen = wk->wk_keylen;
859 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
860 if (wk->wk_keyix == ic->ic_def_txkey)
861 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
862 if (suser(curthread) == 0) {
863 /* NB: only root can read key data */
864 ik.ik_keyrsc = wk->wk_keyrsc;
865 ik.ik_keytsc = wk->wk_keytsc;
866 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
867 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
868 memcpy(ik.ik_keydata+wk->wk_keylen,
869 wk->wk_key + IEEE80211_KEYBUF_SIZE,
870 IEEE80211_MICBUF_SIZE);
871 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
872 }
873 } else {
874 ik.ik_keyrsc = 0;
875 ik.ik_keytsc = 0;
876 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
877 }
878 if (ni != NULL)
879 ieee80211_free_node(ni);
880 return copyout(&ik, ireq->i_data, sizeof(ik));
881 }
882
883 static int
884 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq)
885 {
886
887 if (sizeof(ic->ic_chan_active) < ireq->i_len)
888 ireq->i_len = sizeof(ic->ic_chan_active);
889 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
890 }
891
892 static int
893 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq)
894 {
895 struct ieee80211req_chaninfo chans; /* XXX off stack? */
896 int i, space;
897
898 /*
899 * Since channel 0 is not available for DS, channel 1
900 * is assigned to LSB on WaveLAN.
901 */
902 if (ic->ic_phytype == IEEE80211_T_DS)
903 i = 1;
904 else
905 i = 0;
906 memset(&chans, 0, sizeof(chans));
907 for (; i <= IEEE80211_CHAN_MAX; i++)
908 if (isset(ic->ic_chan_avail, i)) {
909 struct ieee80211_channel *c = &ic->ic_channels[i];
910 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq;
911 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags;
912 chans.ic_nchans++;
913 }
914 space = __offsetof(struct ieee80211req_chaninfo,
915 ic_chans[chans.ic_nchans]);
916 if (space > ireq->i_len)
917 space = ireq->i_len;
918 return copyout(&chans, ireq->i_data, space);
919 }
920
921 static int
922 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq)
923 {
924 struct ieee80211_node *ni;
925 struct ieee80211req_wpaie wpaie;
926 int error;
927
928 if (ireq->i_len < IEEE80211_ADDR_LEN)
929 return EINVAL;
930 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
931 if (error != 0)
932 return error;
933 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr);
934 if (ni == NULL)
935 return EINVAL; /* XXX */
936 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
937 if (ni->ni_wpa_ie != NULL) {
938 int ielen = ni->ni_wpa_ie[1] + 2;
939 if (ielen > sizeof(wpaie.wpa_ie))
940 ielen = sizeof(wpaie.wpa_ie);
941 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen);
942 }
943 ieee80211_free_node(ni);
944 if (ireq->i_len > sizeof(wpaie))
945 ireq->i_len = sizeof(wpaie);
946 return copyout(&wpaie, ireq->i_data, ireq->i_len);
947 }
948
949 static int
950 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq)
951 {
952 struct ieee80211_node *ni;
953 u_int8_t macaddr[IEEE80211_ADDR_LEN];
954 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
955 int error;
956
957 if (ireq->i_len < off)
958 return EINVAL;
959 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
960 if (error != 0)
961 return error;
962 ni = ieee80211_find_node(&ic->ic_sta, macaddr);
963 if (ni == NULL)
964 return EINVAL; /* XXX */
965 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
966 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
967 /* NB: copy out only the statistics */
968 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off,
969 ireq->i_len - off);
970 ieee80211_free_node(ni);
971 return error;
972 }
973
974 static void
975 get_scan_result(struct ieee80211req_scan_result *sr,
976 const struct ieee80211_node *ni)
977 {
978 struct ieee80211com *ic = ni->ni_ic;
979 u_int ielen = 0;
980
981 memset(sr, 0, sizeof(*sr));
982 sr->isr_ssid_len = ni->ni_esslen;
983 if (ni->ni_wpa_ie != NULL)
984 ielen += 2+ni->ni_wpa_ie[1];
985 if (ni->ni_wme_ie != NULL)
986 ielen += 2+ni->ni_wme_ie[1];
987
988 /*
989 * The value sr->isr_ie_len is defined as a uint8_t, so we
990 * need to be careful to avoid an integer overflow. If the
991 * value would overflow, we will set isr_ie_len to zero, and
992 * ieee80211_ioctl_getscanresults (below) will avoid copying
993 * the (overflowing) data.
994 */
995 if (ielen > 255)
996 ielen = 0;
997 sr->isr_ie_len = ielen;
998 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len;
999 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t));
1000 if (ni->ni_chan != IEEE80211_CHAN_ANYC) {
1001 sr->isr_freq = ni->ni_chan->ic_freq;
1002 sr->isr_flags = ni->ni_chan->ic_flags;
1003 }
1004 sr->isr_rssi = ic->ic_node_getrssi(ni);
1005 sr->isr_intval = ni->ni_intval;
1006 sr->isr_capinfo = ni->ni_capinfo;
1007 sr->isr_erp = ni->ni_erp;
1008 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid);
1009 sr->isr_nrates = ni->ni_rates.rs_nrates;
1010 if (sr->isr_nrates > 15)
1011 sr->isr_nrates = 15;
1012 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates);
1013 }
1014
1015 static int
1016 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq)
1017 {
1018 union {
1019 struct ieee80211req_scan_result res;
1020 char data[512]; /* XXX shrink? */
1021 } u;
1022 struct ieee80211req_scan_result *sr = &u.res;
1023 struct ieee80211_node_table *nt;
1024 struct ieee80211_node *ni;
1025 int error, space;
1026 u_int8_t *p, *cp;
1027
1028 p = ireq->i_data;
1029 space = ireq->i_len;
1030 error = 0;
1031 /* XXX locking */
1032 nt = &ic->ic_scan;
1033 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
1034 /* NB: skip pre-scan node state */
1035 if (ni->ni_chan == IEEE80211_CHAN_ANYC)
1036 continue;
1037 get_scan_result(sr, ni);
1038 if (sr->isr_len > sizeof(u))
1039 continue; /* XXX */
1040 if (space < sr->isr_len)
1041 break;
1042 cp = (u_int8_t *)(sr+1);
1043 memcpy(cp, ni->ni_essid, ni->ni_esslen);
1044 cp += ni->ni_esslen;
1045 if (sr->isr_ie_len > 0 && ni->ni_wpa_ie != NULL) {
1046 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]);
1047 cp += 2+ni->ni_wpa_ie[1];
1048 }
1049 if (sr->isr_ie_len > 0 && ni->ni_wme_ie != NULL) {
1050 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]);
1051 cp += 2+ni->ni_wme_ie[1];
1052 }
1053 error = copyout(sr, p, sr->isr_len);
1054 if (error)
1055 break;
1056 p += sr->isr_len;
1057 space -= sr->isr_len;
1058 }
1059 ireq->i_len -= space;
1060 return error;
1061 }
1062
1063 struct stainforeq {
1064 struct ieee80211com *ic;
1065 struct ieee80211req_sta_info *si;
1066 size_t space;
1067 };
1068
1069 static size_t
1070 sta_space(const struct ieee80211_node *ni, size_t *ielen)
1071 {
1072 *ielen = 0;
1073 if (ni->ni_wpa_ie != NULL)
1074 *ielen += 2+ni->ni_wpa_ie[1];
1075 if (ni->ni_wme_ie != NULL)
1076 *ielen += 2+ni->ni_wme_ie[1];
1077 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
1078 sizeof(u_int32_t));
1079 }
1080
1081 static void
1082 get_sta_space(void *arg, struct ieee80211_node *ni)
1083 {
1084 struct stainforeq *req = arg;
1085 struct ieee80211com *ic = ni->ni_ic;
1086 size_t ielen;
1087
1088 if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
1089 ni->ni_associd == 0) /* only associated stations */
1090 return;
1091 req->space += sta_space(ni, &ielen);
1092 }
1093
1094 static void
1095 get_sta_info(void *arg, struct ieee80211_node *ni)
1096 {
1097 struct stainforeq *req = arg;
1098 struct ieee80211com *ic = ni->ni_ic;
1099 struct ieee80211req_sta_info *si;
1100 size_t ielen, len;
1101 u_int8_t *cp;
1102
1103 if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
1104 ni->ni_associd == 0) /* only associated stations */
1105 return;
1106 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
1107 return;
1108 len = sta_space(ni, &ielen);
1109 if (len > req->space)
1110 return;
1111 si = req->si;
1112 si->isi_len = len;
1113 si->isi_ie_len = ielen;
1114 si->isi_freq = ni->ni_chan->ic_freq;
1115 si->isi_flags = ni->ni_chan->ic_flags;
1116 si->isi_state = ni->ni_flags;
1117 si->isi_authmode = ni->ni_authmode;
1118 si->isi_rssi = ic->ic_node_getrssi(ni);
1119 si->isi_capinfo = ni->ni_capinfo;
1120 si->isi_erp = ni->ni_erp;
1121 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
1122 si->isi_nrates = ni->ni_rates.rs_nrates;
1123 if (si->isi_nrates > 15)
1124 si->isi_nrates = 15;
1125 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
1126 si->isi_txrate = ni->ni_txrate;
1127 si->isi_associd = ni->ni_associd;
1128 si->isi_txpower = ni->ni_txpower;
1129 si->isi_vlan = ni->ni_vlan;
1130 if (ni->ni_flags & IEEE80211_NODE_QOS) {
1131 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
1132 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
1133 } else {
1134 si->isi_txseqs[0] = ni->ni_txseqs[0];
1135 si->isi_rxseqs[0] = ni->ni_rxseqs[0];
1136 }
1137 /* NB: leave all cases in case we relax ni_associd == 0 check */
1138 if (ieee80211_node_is_authorized(ni))
1139 si->isi_inact = ic->ic_inact_run;
1140 else if (ni->ni_associd != 0)
1141 si->isi_inact = ic->ic_inact_auth;
1142 else
1143 si->isi_inact = ic->ic_inact_init;
1144 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
1145
1146 cp = (u_int8_t *)(si+1);
1147 if (ni->ni_wpa_ie != NULL) {
1148 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]);
1149 cp += 2+ni->ni_wpa_ie[1];
1150 }
1151 if (ni->ni_wme_ie != NULL) {
1152 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]);
1153 cp += 2+ni->ni_wme_ie[1];
1154 }
1155
1156 req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len);
1157 req->space -= len;
1158 }
1159
1160 static int
1161 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq)
1162 {
1163 struct stainforeq req;
1164 int error;
1165
1166 if (ireq->i_len < sizeof(struct stainforeq))
1167 return EFAULT;
1168
1169 error = 0;
1170 req.space = 0;
1171 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
1172 if (req.space > ireq->i_len)
1173 req.space = ireq->i_len;
1174 if (req.space > 0) {
1175 size_t space;
1176 void *p;
1177
1178 space = req.space;
1179 /* XXX M_WAITOK after driver lock released */
1180 MALLOC(p, void *, space, M_TEMP, M_NOWAIT);
1181 if (p == NULL)
1182 return ENOMEM;
1183 req.si = p;
1184 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
1185 ireq->i_len = space - req.space;
1186 error = copyout(p, ireq->i_data, ireq->i_len);
1187 FREE(p, M_TEMP);
1188 } else
1189 ireq->i_len = 0;
1190
1191 return error;
1192 }
1193
1194 static int
1195 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq)
1196 {
1197 struct ieee80211_node *ni;
1198 struct ieee80211req_sta_txpow txpow;
1199 int error;
1200
1201 if (ireq->i_len != sizeof(txpow))
1202 return EINVAL;
1203 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1204 if (error != 0)
1205 return error;
1206 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr);
1207 if (ni == NULL)
1208 return EINVAL; /* XXX */
1209 txpow.it_txpow = ni->ni_txpower;
1210 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
1211 ieee80211_free_node(ni);
1212 return error;
1213 }
1214
1215 static int
1216 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq)
1217 {
1218 struct ieee80211_wme_state *wme = &ic->ic_wme;
1219 struct wmeParams *wmep;
1220 int ac;
1221
1222 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1223 return EINVAL;
1224
1225 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1226 if (ac >= WME_NUM_AC)
1227 ac = WME_AC_BE;
1228 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
1229 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1230 else
1231 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1232 switch (ireq->i_type) {
1233 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1234 ireq->i_val = wmep->wmep_logcwmin;
1235 break;
1236 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1237 ireq->i_val = wmep->wmep_logcwmax;
1238 break;
1239 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1240 ireq->i_val = wmep->wmep_aifsn;
1241 break;
1242 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1243 ireq->i_val = wmep->wmep_txopLimit;
1244 break;
1245 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1246 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1247 ireq->i_val = wmep->wmep_acm;
1248 break;
1249 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1250 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1251 ireq->i_val = !wmep->wmep_noackPolicy;
1252 break;
1253 }
1254 return 0;
1255 }
1256
1257 static int
1258 ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq)
1259 {
1260 const struct ieee80211_aclator *acl = ic->ic_acl;
1261
1262 return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq));
1263 }
1264
1265 /*
1266 * When building the kernel with -O2 on the i386 architecture, gcc
1267 * seems to want to inline this function into ieee80211_ioctl()
1268 * (which is the only routine that calls it). When this happens,
1269 * ieee80211_ioctl() ends up consuming an additional 2K of stack
1270 * space. (Exactly why it needs so much is unclear.) The problem
1271 * is that it's possible for ieee80211_ioctl() to invoke other
1272 * routines (including driver init functions) which could then find
1273 * themselves perilously close to exhausting the stack.
1274 *
1275 * To avoid this, we deliberately prevent gcc from inlining this
1276 * routine. Another way to avoid this is to use less agressive
1277 * optimization when compiling this file (i.e. -O instead of -O2)
1278 * but special-casing the compilation of this one module in the
1279 * build system would be awkward.
1280 */
1281 #ifdef __GNUC__
1282 __attribute__ ((noinline))
1283 #endif
1284 static int
1285 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq)
1286 {
1287 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn;
1288 int error = 0;
1289 u_int kid, len, m;
1290 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE];
1291 char tmpssid[IEEE80211_NWID_LEN];
1292
1293 switch (ireq->i_type) {
1294 case IEEE80211_IOC_SSID:
1295 switch (ic->ic_state) {
1296 case IEEE80211_S_INIT:
1297 case IEEE80211_S_SCAN:
1298 ireq->i_len = ic->ic_des_esslen;
1299 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len);
1300 break;
1301 default:
1302 ireq->i_len = ic->ic_bss->ni_esslen;
1303 memcpy(tmpssid, ic->ic_bss->ni_essid,
1304 ireq->i_len);
1305 break;
1306 }
1307 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
1308 break;
1309 case IEEE80211_IOC_NUMSSIDS:
1310 ireq->i_val = 1;
1311 break;
1312 case IEEE80211_IOC_WEP:
1313 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0)
1314 ireq->i_val = IEEE80211_WEP_OFF;
1315 else if (ic->ic_flags & IEEE80211_F_DROPUNENC)
1316 ireq->i_val = IEEE80211_WEP_ON;
1317 else
1318 ireq->i_val = IEEE80211_WEP_MIXED;
1319 break;
1320 case IEEE80211_IOC_WEPKEY:
1321 kid = (u_int) ireq->i_val;
1322 if (kid >= IEEE80211_WEP_NKID)
1323 return EINVAL;
1324 len = (u_int) ic->ic_nw_keys[kid].wk_keylen;
1325 /* NB: only root can read WEP keys */
1326 if (suser(curthread) == 0) {
1327 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len);
1328 } else {
1329 bzero(tmpkey, len);
1330 }
1331 ireq->i_len = len;
1332 error = copyout(tmpkey, ireq->i_data, len);
1333 break;
1334 case IEEE80211_IOC_NUMWEPKEYS:
1335 ireq->i_val = IEEE80211_WEP_NKID;
1336 break;
1337 case IEEE80211_IOC_WEPTXKEY:
1338 ireq->i_val = ic->ic_def_txkey;
1339 break;
1340 case IEEE80211_IOC_AUTHMODE:
1341 if (ic->ic_flags & IEEE80211_F_WPA)
1342 ireq->i_val = IEEE80211_AUTH_WPA;
1343 else
1344 ireq->i_val = ic->ic_bss->ni_authmode;
1345 break;
1346 case IEEE80211_IOC_CHANNEL:
1347 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
1348 break;
1349 case IEEE80211_IOC_POWERSAVE:
1350 if (ic->ic_flags & IEEE80211_F_PMGTON)
1351 ireq->i_val = IEEE80211_POWERSAVE_ON;
1352 else
1353 ireq->i_val = IEEE80211_POWERSAVE_OFF;
1354 break;
1355 case IEEE80211_IOC_POWERSAVESLEEP:
1356 ireq->i_val = ic->ic_lintval;
1357 break;
1358 case IEEE80211_IOC_RTSTHRESHOLD:
1359 ireq->i_val = ic->ic_rtsthreshold;
1360 break;
1361 case IEEE80211_IOC_PROTMODE:
1362 ireq->i_val = ic->ic_protmode;
1363 break;
1364 case IEEE80211_IOC_TXPOWER:
1365 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
1366 return EINVAL;
1367 ireq->i_val = ic->ic_txpowlimit;
1368 break;
1369 case IEEE80211_IOC_MCASTCIPHER:
1370 ireq->i_val = rsn->rsn_mcastcipher;
1371 break;
1372 case IEEE80211_IOC_MCASTKEYLEN:
1373 ireq->i_val = rsn->rsn_mcastkeylen;
1374 break;
1375 case IEEE80211_IOC_UCASTCIPHERS:
1376 ireq->i_val = 0;
1377 for (m = 0x1; m != 0; m <<= 1)
1378 if (rsn->rsn_ucastcipherset & m)
1379 ireq->i_val |= 1<<cap2cipher(m);
1380 break;
1381 case IEEE80211_IOC_UCASTCIPHER:
1382 ireq->i_val = rsn->rsn_ucastcipher;
1383 break;
1384 case IEEE80211_IOC_UCASTKEYLEN:
1385 ireq->i_val = rsn->rsn_ucastkeylen;
1386 break;
1387 case IEEE80211_IOC_KEYMGTALGS:
1388 ireq->i_val = rsn->rsn_keymgmtset;
1389 break;
1390 case IEEE80211_IOC_RSNCAPS:
1391 ireq->i_val = rsn->rsn_caps;
1392 break;
1393 case IEEE80211_IOC_WPA:
1394 switch (ic->ic_flags & IEEE80211_F_WPA) {
1395 case IEEE80211_F_WPA1:
1396 ireq->i_val = 1;
1397 break;
1398 case IEEE80211_F_WPA2:
1399 ireq->i_val = 2;
1400 break;
1401 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
1402 ireq->i_val = 3;
1403 break;
1404 default:
1405 ireq->i_val = 0;
1406 break;
1407 }
1408 break;
1409 case IEEE80211_IOC_CHANLIST:
1410 error = ieee80211_ioctl_getchanlist(ic, ireq);
1411 break;
1412 case IEEE80211_IOC_ROAMING:
1413 ireq->i_val = ic->ic_roaming;
1414 break;
1415 case IEEE80211_IOC_PRIVACY:
1416 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0;
1417 break;
1418 case IEEE80211_IOC_DROPUNENCRYPTED:
1419 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0;
1420 break;
1421 case IEEE80211_IOC_COUNTERMEASURES:
1422 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0;
1423 break;
1424 case IEEE80211_IOC_DRIVER_CAPS:
1425 ireq->i_val = ic->ic_caps>>16;
1426 ireq->i_len = ic->ic_caps&0xffff;
1427 break;
1428 case IEEE80211_IOC_WME:
1429 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0;
1430 break;
1431 case IEEE80211_IOC_HIDESSID:
1432 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0;
1433 break;
1434 case IEEE80211_IOC_APBRIDGE:
1435 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0;
1436 break;
1437 case IEEE80211_IOC_OPTIE:
1438 if (ic->ic_opt_ie == NULL)
1439 return EINVAL;
1440 /* NB: truncate, caller can check length */
1441 if (ireq->i_len > ic->ic_opt_ie_len)
1442 ireq->i_len = ic->ic_opt_ie_len;
1443 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len);
1444 break;
1445 case IEEE80211_IOC_WPAKEY:
1446 error = ieee80211_ioctl_getkey(ic, ireq);
1447 break;
1448 case IEEE80211_IOC_CHANINFO:
1449 error = ieee80211_ioctl_getchaninfo(ic, ireq);
1450 break;
1451 case IEEE80211_IOC_BSSID:
1452 if (ireq->i_len != IEEE80211_ADDR_LEN)
1453 return EINVAL;
1454 error = copyout(ic->ic_state == IEEE80211_S_RUN ?
1455 ic->ic_bss->ni_bssid :
1456 ic->ic_des_bssid,
1457 ireq->i_data, ireq->i_len);
1458 break;
1459 case IEEE80211_IOC_WPAIE:
1460 error = ieee80211_ioctl_getwpaie(ic, ireq);
1461 break;
1462 case IEEE80211_IOC_SCAN_RESULTS:
1463 error = ieee80211_ioctl_getscanresults(ic, ireq);
1464 break;
1465 case IEEE80211_IOC_STA_STATS:
1466 error = ieee80211_ioctl_getstastats(ic, ireq);
1467 break;
1468 case IEEE80211_IOC_TXPOWMAX:
1469 ireq->i_val = ic->ic_bss->ni_txpower;
1470 break;
1471 case IEEE80211_IOC_STA_TXPOW:
1472 error = ieee80211_ioctl_getstatxpow(ic, ireq);
1473 break;
1474 case IEEE80211_IOC_STA_INFO:
1475 error = ieee80211_ioctl_getstainfo(ic, ireq);
1476 break;
1477 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1478 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1479 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1480 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1481 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1482 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
1483 error = ieee80211_ioctl_getwmeparam(ic, ireq);
1484 break;
1485 case IEEE80211_IOC_DTIM_PERIOD:
1486 ireq->i_val = ic->ic_dtim_period;
1487 break;
1488 case IEEE80211_IOC_BEACON_INTERVAL:
1489 /* NB: get from ic_bss for station mode */
1490 ireq->i_val = ic->ic_bss->ni_intval;
1491 break;
1492 case IEEE80211_IOC_PUREG:
1493 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0;
1494 break;
1495 case IEEE80211_IOC_FRAGTHRESHOLD:
1496 ireq->i_val = ic->ic_fragthreshold;
1497 break;
1498 case IEEE80211_IOC_MACCMD:
1499 error = ieee80211_ioctl_getmaccmd(ic, ireq);
1500 break;
1501 default:
1502 error = EINVAL;
1503 break;
1504 }
1505 return error;
1506 }
1507
1508 static int
1509 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq)
1510 {
1511 int error;
1512 void *ie;
1513
1514 /*
1515 * NB: Doing this for ap operation could be useful (e.g. for
1516 * WPA and/or WME) except that it typically is worthless
1517 * without being able to intervene when processing
1518 * association response frames--so disallow it for now.
1519 */
1520 if (ic->ic_opmode != IEEE80211_M_STA)
1521 return EINVAL;
1522 if (ireq->i_len > IEEE80211_MAX_OPT_IE)
1523 return EINVAL;
1524 /* NB: data.length is validated by the wireless extensions code */
1525 MALLOC(ie, void *, ireq->i_len, M_DEVBUF, M_WAITOK);
1526 if (ie == NULL)
1527 return ENOMEM;
1528 error = copyin(ireq->i_data, ie, ireq->i_len);
1529 /* XXX sanity check data? */
1530 if (ic->ic_opt_ie != NULL)
1531 FREE(ic->ic_opt_ie, M_DEVBUF);
1532 ic->ic_opt_ie = ie;
1533 ic->ic_opt_ie_len = ireq->i_len;
1534 return 0;
1535 }
1536
1537 static int
1538 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq)
1539 {
1540 struct ieee80211req_key ik;
1541 struct ieee80211_node *ni;
1542 struct ieee80211_key *wk;
1543 u_int16_t kid;
1544 int error;
1545
1546 if (ireq->i_len != sizeof(ik))
1547 return EINVAL;
1548 error = copyin(ireq->i_data, &ik, sizeof(ik));
1549 if (error)
1550 return error;
1551 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1552 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1553 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1554 return E2BIG;
1555 kid = ik.ik_keyix;
1556 if (kid == IEEE80211_KEYIX_NONE) {
1557 /* XXX unicast keys currently must be tx/rx */
1558 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1559 return EINVAL;
1560 if (ic->ic_opmode == IEEE80211_M_STA) {
1561 ni = ieee80211_ref_node(ic->ic_bss);
1562 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1563 ieee80211_free_node(ni);
1564 return EADDRNOTAVAIL;
1565 }
1566 } else {
1567 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr);
1568 if (ni == NULL)
1569 return ENOENT;
1570 }
1571 wk = &ni->ni_ucastkey;
1572 } else {
1573 if (kid >= IEEE80211_WEP_NKID)
1574 return EINVAL;
1575 wk = &ic->ic_nw_keys[kid];
1576 ni = NULL;
1577 }
1578 error = 0;
1579 ieee80211_key_update_begin(ic);
1580 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) {
1581 wk->wk_keylen = ik.ik_keylen;
1582 /* NB: MIC presence is implied by cipher type */
1583 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1584 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1585 wk->wk_keyrsc = ik.ik_keyrsc;
1586 wk->wk_keytsc = 0; /* new key, reset */
1587 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1588 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1589 if (!ieee80211_crypto_setkey(ic, wk,
1590 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr))
1591 error = EIO;
1592 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1593 ic->ic_def_txkey = kid;
1594 } else
1595 error = ENXIO;
1596 ieee80211_key_update_end(ic);
1597 if (ni != NULL)
1598 ieee80211_free_node(ni);
1599 return error;
1600 }
1601
1602 static int
1603 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq)
1604 {
1605 struct ieee80211req_del_key dk;
1606 int kid, error;
1607
1608 if (ireq->i_len != sizeof(dk))
1609 return EINVAL;
1610 error = copyin(ireq->i_data, &dk, sizeof(dk));
1611 if (error)
1612 return error;
1613 kid = dk.idk_keyix;
1614 /* XXX u_int8_t -> u_int16_t */
1615 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) {
1616 struct ieee80211_node *ni;
1617
1618 if (ic->ic_opmode == IEEE80211_M_STA) {
1619 ni = ieee80211_ref_node(ic->ic_bss);
1620 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1621 ieee80211_free_node(ni);
1622 return EADDRNOTAVAIL;
1623 }
1624 } else {
1625 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr);
1626 if (ni == NULL)
1627 return ENOENT;
1628 }
1629 /* XXX error return */
1630 ieee80211_node_delucastkey(ni);
1631 ieee80211_free_node(ni);
1632 } else {
1633 if (kid >= IEEE80211_WEP_NKID)
1634 return EINVAL;
1635 /* XXX error return */
1636 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]);
1637 }
1638 return 0;
1639 }
1640
1641 static void
1642 domlme(void *arg, struct ieee80211_node *ni)
1643 {
1644 struct ieee80211com *ic = ni->ni_ic;
1645 struct ieee80211req_mlme *mlme = arg;
1646
1647 if (ni->ni_associd != 0) {
1648 IEEE80211_SEND_MGMT(ic, ni,
1649 mlme->im_op == IEEE80211_MLME_DEAUTH ?
1650 IEEE80211_FC0_SUBTYPE_DEAUTH :
1651 IEEE80211_FC0_SUBTYPE_DISASSOC,
1652 mlme->im_reason);
1653 }
1654 ieee80211_node_leave(ic, ni);
1655 }
1656
1657 static int
1658 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq)
1659 {
1660 struct ieee80211req_mlme mlme;
1661 struct ieee80211_node *ni;
1662 int error;
1663
1664 if (ireq->i_len != sizeof(mlme))
1665 return EINVAL;
1666 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1667 if (error)
1668 return error;
1669 switch (mlme.im_op) {
1670 case IEEE80211_MLME_ASSOC:
1671 if (ic->ic_opmode != IEEE80211_M_STA)
1672 return EINVAL;
1673 /* XXX must be in S_SCAN state? */
1674
1675 if (mlme.im_ssid_len != 0) {
1676 /*
1677 * Desired ssid specified; must match both bssid and
1678 * ssid to distinguish ap advertising multiple ssid's.
1679 */
1680 ni = ieee80211_find_node_with_ssid(&ic->ic_scan,
1681 mlme.im_macaddr,
1682 mlme.im_ssid_len, mlme.im_ssid);
1683 } else {
1684 /*
1685 * Normal case; just match bssid.
1686 */
1687 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr);
1688 }
1689 if (ni == NULL)
1690 return EINVAL;
1691 if (!ieee80211_sta_join(ic, ni)) {
1692 ieee80211_free_node(ni);
1693 return EINVAL;
1694 }
1695 break;
1696 case IEEE80211_MLME_DISASSOC:
1697 case IEEE80211_MLME_DEAUTH:
1698 switch (ic->ic_opmode) {
1699 case IEEE80211_M_STA:
1700 /* XXX not quite right */
1701 ieee80211_new_state(ic, IEEE80211_S_INIT,
1702 mlme.im_reason);
1703 break;
1704 case IEEE80211_M_HOSTAP:
1705 /* NB: the broadcast address means do 'em all */
1706 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) {
1707 if ((ni = ieee80211_find_node(&ic->ic_sta,
1708 mlme.im_macaddr)) == NULL)
1709 return EINVAL;
1710 domlme(&mlme, ni);
1711 ieee80211_free_node(ni);
1712 } else {
1713 ieee80211_iterate_nodes(&ic->ic_sta,
1714 domlme, &mlme);
1715 }
1716 break;
1717 default:
1718 return EINVAL;
1719 }
1720 break;
1721 case IEEE80211_MLME_AUTHORIZE:
1722 case IEEE80211_MLME_UNAUTHORIZE:
1723 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
1724 return EINVAL;
1725 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr);
1726 if (ni == NULL)
1727 return EINVAL;
1728 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE)
1729 ieee80211_node_authorize(ni);
1730 else
1731 ieee80211_node_unauthorize(ni);
1732 ieee80211_free_node(ni);
1733 break;
1734 default:
1735 return EINVAL;
1736 }
1737 return 0;
1738 }
1739
1740 static int
1741 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq)
1742 {
1743 u_int8_t mac[IEEE80211_ADDR_LEN];
1744 const struct ieee80211_aclator *acl = ic->ic_acl;
1745 int error;
1746
1747 if (ireq->i_len != sizeof(mac))
1748 return EINVAL;
1749 error = copyin(ireq->i_data, mac, ireq->i_len);
1750 if (error)
1751 return error;
1752 if (acl == NULL) {
1753 acl = ieee80211_aclator_get("mac");
1754 if (acl == NULL || !acl->iac_attach(ic))
1755 return EINVAL;
1756 ic->ic_acl = acl;
1757 }
1758 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1759 acl->iac_add(ic, mac);
1760 else
1761 acl->iac_remove(ic, mac);
1762 return 0;
1763 }
1764
1765 static int
1766 ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq)
1767 {
1768 const struct ieee80211_aclator *acl = ic->ic_acl;
1769
1770 switch (ireq->i_val) {
1771 case IEEE80211_MACCMD_POLICY_OPEN:
1772 case IEEE80211_MACCMD_POLICY_ALLOW:
1773 case IEEE80211_MACCMD_POLICY_DENY:
1774 if (acl == NULL) {
1775 acl = ieee80211_aclator_get("mac");
1776 if (acl == NULL || !acl->iac_attach(ic))
1777 return EINVAL;
1778 ic->ic_acl = acl;
1779 }
1780 acl->iac_setpolicy(ic, ireq->i_val);
1781 break;
1782 case IEEE80211_MACCMD_FLUSH:
1783 if (acl != NULL)
1784 acl->iac_flush(ic);
1785 /* NB: silently ignore when not in use */
1786 break;
1787 case IEEE80211_MACCMD_DETACH:
1788 if (acl != NULL) {
1789 ic->ic_acl = NULL;
1790 acl->iac_detach(ic);
1791 }
1792 break;
1793 default:
1794 if (acl == NULL)
1795 return EINVAL;
1796 else
1797 return acl->iac_setioctl(ic, ireq);
1798 }
1799 return 0;
1800 }
1801
1802 static int
1803 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq)
1804 {
1805 struct ieee80211req_chanlist list;
1806 u_char chanlist[IEEE80211_CHAN_BYTES];
1807 int i, j, error;
1808
1809 if (ireq->i_len != sizeof(list))
1810 return EINVAL;
1811 error = copyin(ireq->i_data, &list, sizeof(list));
1812 if (error)
1813 return error;
1814 memset(chanlist, 0, sizeof(chanlist));
1815 /*
1816 * Since channel 0 is not available for DS, channel 1
1817 * is assigned to LSB on WaveLAN.
1818 */
1819 if (ic->ic_phytype == IEEE80211_T_DS)
1820 i = 1;
1821 else
1822 i = 0;
1823 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
1824 /*
1825 * NB: silently discard unavailable channels so users
1826 * can specify 1-255 to get all available channels.
1827 */
1828 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i))
1829 setbit(chanlist, i);
1830 }
1831 if (ic->ic_ibss_chan == NULL ||
1832 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) {
1833 for (i = 0; i <= IEEE80211_CHAN_MAX; i++)
1834 if (isset(chanlist, i)) {
1835 ic->ic_ibss_chan = &ic->ic_channels[i];
1836 goto found;
1837 }
1838 return EINVAL; /* no active channels */
1839 found:
1840 ;
1841 }
1842 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
1843 return IS_UP_AUTO(ic) ? ENETRESET : 0;
1844 }
1845
1846 static int
1847 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq)
1848 {
1849 struct ieee80211_node *ni;
1850 struct ieee80211req_sta_txpow txpow;
1851 int error;
1852
1853 if (ireq->i_len != sizeof(txpow))
1854 return EINVAL;
1855 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1856 if (error != 0)
1857 return error;
1858 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr);
1859 if (ni == NULL)
1860 return EINVAL; /* XXX */
1861 ni->ni_txpower = txpow.it_txpow;
1862 ieee80211_free_node(ni);
1863 return error;
1864 }
1865
1866 static int
1867 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq)
1868 {
1869 struct ieee80211_wme_state *wme = &ic->ic_wme;
1870 struct wmeParams *wmep, *chanp;
1871 int isbss, ac;
1872
1873 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1874 return EINVAL;
1875
1876 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1877 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1878 if (ac >= WME_NUM_AC)
1879 ac = WME_AC_BE;
1880 if (isbss) {
1881 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1882 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1883 } else {
1884 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1885 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1886 }
1887 switch (ireq->i_type) {
1888 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1889 if (isbss) {
1890 wmep->wmep_logcwmin = ireq->i_val;
1891 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1892 chanp->wmep_logcwmin = ireq->i_val;
1893 } else {
1894 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1895 ireq->i_val;
1896 }
1897 break;
1898 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1899 if (isbss) {
1900 wmep->wmep_logcwmax = ireq->i_val;
1901 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1902 chanp->wmep_logcwmax = ireq->i_val;
1903 } else {
1904 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1905 ireq->i_val;
1906 }
1907 break;
1908 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1909 if (isbss) {
1910 wmep->wmep_aifsn = ireq->i_val;
1911 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1912 chanp->wmep_aifsn = ireq->i_val;
1913 } else {
1914 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1915 }
1916 break;
1917 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1918 if (isbss) {
1919 wmep->wmep_txopLimit = ireq->i_val;
1920 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1921 chanp->wmep_txopLimit = ireq->i_val;
1922 } else {
1923 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1924 ireq->i_val;
1925 }
1926 break;
1927 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1928 wmep->wmep_acm = ireq->i_val;
1929 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1930 chanp->wmep_acm = ireq->i_val;
1931 break;
1932 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1933 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1934 (ireq->i_val) == 0;
1935 break;
1936 }
1937 ieee80211_wme_updateparams(ic);
1938 return 0;
1939 }
1940
1941 static int
1942 cipher2cap(int cipher)
1943 {
1944 switch (cipher) {
1945 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP;
1946 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES;
1947 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM;
1948 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP;
1949 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP;
1950 }
1951 return 0;
1952 }
1953
1954 static int
1955 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq)
1956 {
1957 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN];
1958 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn;
1959 int error;
1960 const struct ieee80211_authenticator *auth;
1961 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE];
1962 char tmpssid[IEEE80211_NWID_LEN];
1963 u_int8_t tmpbssid[IEEE80211_ADDR_LEN];
1964 struct ieee80211_key *k;
1965 int j, caps;
1966 u_int kid;
1967
1968 error = 0;
1969 switch (ireq->i_type) {
1970 case IEEE80211_IOC_SSID:
1971 if (ireq->i_val != 0 ||
1972 ireq->i_len > IEEE80211_NWID_LEN)
1973 return EINVAL;
1974 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
1975 if (error)
1976 break;
1977 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN);
1978 ic->ic_des_esslen = ireq->i_len;
1979 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len);
1980 error = ENETRESET;
1981 break;
1982 case IEEE80211_IOC_WEP:
1983 switch (ireq->i_val) {
1984 case IEEE80211_WEP_OFF:
1985 ic->ic_flags &= ~IEEE80211_F_PRIVACY;
1986 ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
1987 break;
1988 case IEEE80211_WEP_ON:
1989 ic->ic_flags |= IEEE80211_F_PRIVACY;
1990 ic->ic_flags |= IEEE80211_F_DROPUNENC;
1991 break;
1992 case IEEE80211_WEP_MIXED:
1993 ic->ic_flags |= IEEE80211_F_PRIVACY;
1994 ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
1995 break;
1996 }
1997 error = ENETRESET;
1998 break;
1999 case IEEE80211_IOC_WEPKEY:
2000 kid = (u_int) ireq->i_val;
2001 if (kid >= IEEE80211_WEP_NKID)
2002 return EINVAL;
2003 k = &ic->ic_nw_keys[kid];
2004 if (ireq->i_len == 0) {
2005 /* zero-len =>'s delete any existing key */
2006 (void) ieee80211_crypto_delkey(ic, k);
2007 break;
2008 }
2009 if (ireq->i_len > sizeof(tmpkey))
2010 return EINVAL;
2011 memset(tmpkey, 0, sizeof(tmpkey));
2012 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2013 if (error)
2014 break;
2015 ieee80211_key_update_begin(ic);
2016 k->wk_keyix = kid; /* NB: force fixed key id */
2017 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP,
2018 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2019 k->wk_keylen = ireq->i_len;
2020 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2021 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr))
2022 error = EINVAL;
2023 } else
2024 error = EINVAL;
2025 ieee80211_key_update_end(ic);
2026 if (!error) /* NB: for compatibility */
2027 error = ENETRESET;
2028 break;
2029 case IEEE80211_IOC_WEPTXKEY:
2030 kid = (u_int) ireq->i_val;
2031 if (kid >= IEEE80211_WEP_NKID &&
2032 (u_int16_t) kid != IEEE80211_KEYIX_NONE)
2033 return EINVAL;
2034 ic->ic_def_txkey = kid;
2035 error = ENETRESET; /* push to hardware */
2036 break;
2037 case IEEE80211_IOC_AUTHMODE:
2038 switch (ireq->i_val) {
2039 case IEEE80211_AUTH_WPA:
2040 case IEEE80211_AUTH_8021X: /* 802.1x */
2041 case IEEE80211_AUTH_OPEN: /* open */
2042 case IEEE80211_AUTH_SHARED: /* shared-key */
2043 case IEEE80211_AUTH_AUTO: /* auto */
2044 auth = ieee80211_authenticator_get(ireq->i_val);
2045 if (auth == NULL)
2046 return EINVAL;
2047 break;
2048 default:
2049 return EINVAL;
2050 }
2051 switch (ireq->i_val) {
2052 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2053 ic->ic_flags |= IEEE80211_F_PRIVACY;
2054 ireq->i_val = IEEE80211_AUTH_8021X;
2055 break;
2056 case IEEE80211_AUTH_OPEN: /* open */
2057 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2058 break;
2059 case IEEE80211_AUTH_SHARED: /* shared-key */
2060 case IEEE80211_AUTH_8021X: /* 802.1x */
2061 ic->ic_flags &= ~IEEE80211_F_WPA;
2062 /* both require a key so mark the PRIVACY capability */
2063 ic->ic_flags |= IEEE80211_F_PRIVACY;
2064 break;
2065 case IEEE80211_AUTH_AUTO: /* auto */
2066 ic->ic_flags &= ~IEEE80211_F_WPA;
2067 /* XXX PRIVACY handling? */
2068 /* XXX what's the right way to do this? */
2069 break;
2070 }
2071 /* NB: authenticator attach/detach happens on state change */
2072 ic->ic_bss->ni_authmode = ireq->i_val;
2073 /* XXX mixed/mode/usage? */
2074 ic->ic_auth = auth;
2075 error = ENETRESET;
2076 break;
2077 case IEEE80211_IOC_CHANNEL:
2078 /* XXX 0xffff overflows 16-bit signed */
2079 if (ireq->i_val == 0 ||
2080 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY)
2081 ic->ic_des_chan = IEEE80211_CHAN_ANYC;
2082 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX ||
2083 isclr(ic->ic_chan_active, ireq->i_val)) {
2084 return EINVAL;
2085 } else
2086 ic->ic_ibss_chan = ic->ic_des_chan =
2087 &ic->ic_channels[ireq->i_val];
2088 switch (ic->ic_state) {
2089 case IEEE80211_S_INIT:
2090 case IEEE80211_S_SCAN:
2091 error = ENETRESET;
2092 break;
2093 default:
2094 /*
2095 * If the desired channel has changed (to something
2096 * other than any) and we're not already scanning,
2097 * then kick the state machine.
2098 */
2099 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC &&
2100 ic->ic_bss->ni_chan != ic->ic_des_chan &&
2101 (ic->ic_flags & IEEE80211_F_SCAN) == 0)
2102 error = ENETRESET;
2103 break;
2104 }
2105 if (error == ENETRESET &&
2106 ic->ic_opmode == IEEE80211_M_MONITOR) {
2107 if (IS_UP(ic)) {
2108 /*
2109 * Monitor mode can switch directly.
2110 */
2111 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC)
2112 ic->ic_curchan = ic->ic_des_chan;
2113 error = ic->ic_reset(ic->ic_ifp);
2114 } else
2115 error = 0;
2116 }
2117 break;
2118 case IEEE80211_IOC_POWERSAVE:
2119 switch (ireq->i_val) {
2120 case IEEE80211_POWERSAVE_OFF:
2121 if (ic->ic_flags & IEEE80211_F_PMGTON) {
2122 ic->ic_flags &= ~IEEE80211_F_PMGTON;
2123 error = ENETRESET;
2124 }
2125 break;
2126 case IEEE80211_POWERSAVE_ON:
2127 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
2128 error = EINVAL;
2129 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
2130 ic->ic_flags |= IEEE80211_F_PMGTON;
2131 error = ENETRESET;
2132 }
2133 break;
2134 default:
2135 error = EINVAL;
2136 break;
2137 }
2138 break;
2139 case IEEE80211_IOC_POWERSAVESLEEP:
2140 if (ireq->i_val < 0)
2141 return EINVAL;
2142 ic->ic_lintval = ireq->i_val;
2143 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2144 break;
2145 case IEEE80211_IOC_RTSTHRESHOLD:
2146 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2147 ireq->i_val <= IEEE80211_RTS_MAX))
2148 return EINVAL;
2149 ic->ic_rtsthreshold = ireq->i_val;
2150 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2151 break;
2152 case IEEE80211_IOC_PROTMODE:
2153 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2154 return EINVAL;
2155 ic->ic_protmode = ireq->i_val;
2156 /* NB: if not operating in 11g this can wait */
2157 if (ic->ic_curmode == IEEE80211_MODE_11G)
2158 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2159 break;
2160 case IEEE80211_IOC_TXPOWER:
2161 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2162 return EINVAL;
2163 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val &&
2164 ireq->i_val < IEEE80211_TXPOWER_MAX))
2165 return EINVAL;
2166 ic->ic_txpowlimit = ireq->i_val;
2167 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2168 break;
2169 case IEEE80211_IOC_ROAMING:
2170 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2171 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2172 return EINVAL;
2173 ic->ic_roaming = ireq->i_val;
2174 /* XXXX reset? */
2175 break;
2176 case IEEE80211_IOC_PRIVACY:
2177 if (ireq->i_val) {
2178 /* XXX check for key state? */
2179 ic->ic_flags |= IEEE80211_F_PRIVACY;
2180 } else
2181 ic->ic_flags &= ~IEEE80211_F_PRIVACY;
2182 break;
2183 case IEEE80211_IOC_DROPUNENCRYPTED:
2184 if (ireq->i_val)
2185 ic->ic_flags |= IEEE80211_F_DROPUNENC;
2186 else
2187 ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
2188 break;
2189 case IEEE80211_IOC_WPAKEY:
2190 error = ieee80211_ioctl_setkey(ic, ireq);
2191 break;
2192 case IEEE80211_IOC_DELKEY:
2193 error = ieee80211_ioctl_delkey(ic, ireq);
2194 break;
2195 case IEEE80211_IOC_MLME:
2196 error = ieee80211_ioctl_setmlme(ic, ireq);
2197 break;
2198 case IEEE80211_IOC_OPTIE:
2199 error = ieee80211_ioctl_setoptie(ic, ireq);
2200 break;
2201 case IEEE80211_IOC_COUNTERMEASURES:
2202 if (ireq->i_val) {
2203 if ((ic->ic_flags & IEEE80211_F_WPA) == 0)
2204 return EINVAL;
2205 ic->ic_flags |= IEEE80211_F_COUNTERM;
2206 } else
2207 ic->ic_flags &= ~IEEE80211_F_COUNTERM;
2208 break;
2209 case IEEE80211_IOC_WPA:
2210 if (ireq->i_val > 3)
2211 return EINVAL;
2212 /* XXX verify ciphers available */
2213 ic->ic_flags &= ~IEEE80211_F_WPA;
2214 switch (ireq->i_val) {
2215 case 1:
2216 ic->ic_flags |= IEEE80211_F_WPA1;
2217 break;
2218 case 2:
2219 ic->ic_flags |= IEEE80211_F_WPA2;
2220 break;
2221 case 3:
2222 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2223 break;
2224 }
2225 error = ENETRESET; /* XXX? */
2226 break;
2227 case IEEE80211_IOC_WME:
2228 if (ireq->i_val) {
2229 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
2230 return EINVAL;
2231 ic->ic_flags |= IEEE80211_F_WME;
2232 } else
2233 ic->ic_flags &= ~IEEE80211_F_WME;
2234 error = ENETRESET; /* XXX maybe not for station? */
2235 break;
2236 case IEEE80211_IOC_HIDESSID:
2237 if (ireq->i_val)
2238 ic->ic_flags |= IEEE80211_F_HIDESSID;
2239 else
2240 ic->ic_flags &= ~IEEE80211_F_HIDESSID;
2241 error = ENETRESET;
2242 break;
2243 case IEEE80211_IOC_APBRIDGE:
2244 if (ireq->i_val == 0)
2245 ic->ic_flags |= IEEE80211_F_NOBRIDGE;
2246 else
2247 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE;
2248 break;
2249 case IEEE80211_IOC_MCASTCIPHER:
2250 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 &&
2251 !ieee80211_crypto_available(ireq->i_val))
2252 return EINVAL;
2253 rsn->rsn_mcastcipher = ireq->i_val;
2254 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2255 break;
2256 case IEEE80211_IOC_MCASTKEYLEN:
2257 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE))
2258 return EINVAL;
2259 /* XXX no way to verify driver capability */
2260 rsn->rsn_mcastkeylen = ireq->i_val;
2261 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2262 break;
2263 case IEEE80211_IOC_UCASTCIPHERS:
2264 /*
2265 * Convert user-specified cipher set to the set
2266 * we can support (via hardware or software).
2267 * NB: this logic intentionally ignores unknown and
2268 * unsupported ciphers so folks can specify 0xff or
2269 * similar and get all available ciphers.
2270 */
2271 caps = 0;
2272 for (j = 1; j < 32; j++) /* NB: skip WEP */
2273 if ((ireq->i_val & (1<<j)) &&
2274 ((ic->ic_caps & cipher2cap(j)) ||
2275 ieee80211_crypto_available(j)))
2276 caps |= 1<<j;
2277 if (caps == 0) /* nothing available */
2278 return EINVAL;
2279 /* XXX verify ciphers ok for unicast use? */
2280 /* XXX disallow if running as it'll have no effect */
2281 rsn->rsn_ucastcipherset = caps;
2282 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2283 break;
2284 case IEEE80211_IOC_UCASTCIPHER:
2285 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0)
2286 return EINVAL;
2287 rsn->rsn_ucastcipher = ireq->i_val;
2288 break;
2289 case IEEE80211_IOC_UCASTKEYLEN:
2290 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE))
2291 return EINVAL;
2292 /* XXX no way to verify driver capability */
2293 rsn->rsn_ucastkeylen = ireq->i_val;
2294 break;
2295 case IEEE80211_IOC_DRIVER_CAPS:
2296 /* NB: for testing */
2297 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) |
2298 ((u_int16_t) ireq->i_len);
2299 break;
2300 case IEEE80211_IOC_KEYMGTALGS:
2301 /* XXX check */
2302 rsn->rsn_keymgmtset = ireq->i_val;
2303 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2304 break;
2305 case IEEE80211_IOC_RSNCAPS:
2306 /* XXX check */
2307 rsn->rsn_caps = ireq->i_val;
2308 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2309 break;
2310 case IEEE80211_IOC_BSSID:
2311 /* NB: should only be set when in STA mode */
2312 if (ic->ic_opmode != IEEE80211_M_STA)
2313 return EINVAL;
2314 if (ireq->i_len != sizeof(tmpbssid))
2315 return EINVAL;
2316 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2317 if (error)
2318 break;
2319 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid);
2320 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid))
2321 ic->ic_flags &= ~IEEE80211_F_DESBSSID;
2322 else
2323 ic->ic_flags |= IEEE80211_F_DESBSSID;
2324 error = ENETRESET;
2325 break;
2326 case IEEE80211_IOC_CHANLIST:
2327 error = ieee80211_ioctl_setchanlist(ic, ireq);
2328 break;
2329 case IEEE80211_IOC_SCAN_REQ:
2330 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */
2331 break;
2332 error = ieee80211_setupscan(ic, ic->ic_chan_avail);
2333 if (error == 0) /* XXX background scan */
2334 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
2335 break;
2336 case IEEE80211_IOC_ADDMAC:
2337 case IEEE80211_IOC_DELMAC:
2338 error = ieee80211_ioctl_macmac(ic, ireq);
2339 break;
2340 case IEEE80211_IOC_MACCMD:
2341 error = ieee80211_ioctl_setmaccmd(ic, ireq);
2342 break;
2343 case IEEE80211_IOC_STA_TXPOW:
2344 error = ieee80211_ioctl_setstatxpow(ic, ireq);
2345 break;
2346 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2347 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2348 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2349 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2350 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2351 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2352 error = ieee80211_ioctl_setwmeparam(ic, ireq);
2353 break;
2354 case IEEE80211_IOC_DTIM_PERIOD:
2355 if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
2356 ic->ic_opmode != IEEE80211_M_IBSS)
2357 return EINVAL;
2358 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2359 ireq->i_val <= IEEE80211_DTIM_MAX) {
2360 ic->ic_dtim_period = ireq->i_val;
2361 error = ENETRESET; /* requires restart */
2362 } else
2363 error = EINVAL;
2364 break;
2365 case IEEE80211_IOC_BEACON_INTERVAL:
2366 if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
2367 ic->ic_opmode != IEEE80211_M_IBSS)
2368 return EINVAL;
2369 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2370 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2371 ic->ic_bintval = ireq->i_val;
2372 error = ENETRESET; /* requires restart */
2373 } else
2374 error = EINVAL;
2375 break;
2376 case IEEE80211_IOC_PUREG:
2377 if (ireq->i_val)
2378 ic->ic_flags |= IEEE80211_F_PUREG;
2379 else
2380 ic->ic_flags &= ~IEEE80211_F_PUREG;
2381 /* NB: reset only if we're operating on an 11g channel */
2382 if (ic->ic_curmode == IEEE80211_MODE_11G)
2383 error = ENETRESET;
2384 break;
2385 case IEEE80211_IOC_FRAGTHRESHOLD:
2386 if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 &&
2387 ireq->i_val != IEEE80211_FRAG_MAX)
2388 return EINVAL;
2389 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2390 ireq->i_val <= IEEE80211_FRAG_MAX))
2391 return EINVAL;
2392 ic->ic_fragthreshold = ireq->i_val;
2393 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2394 break;
2395 default:
2396 error = EINVAL;
2397 break;
2398 }
2399 if (error == ENETRESET && !IS_UP_AUTO(ic))
2400 error = 0;
2401 return error;
2402 }
2403
2404 int
2405 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data)
2406 {
2407 struct ifnet *ifp = ic->ic_ifp;
2408 int error = 0;
2409 struct ifreq *ifr;
2410 struct ifaddr *ifa; /* XXX */
2411
2412 switch (cmd) {
2413 case SIOCSIFMEDIA:
2414 case SIOCGIFMEDIA:
2415 error = ifmedia_ioctl(ifp, (struct ifreq *) data,
2416 &ic->ic_media, cmd);
2417 break;
2418 case SIOCG80211:
2419 error = ieee80211_ioctl_get80211(ic, cmd,
2420 (struct ieee80211req *) data);
2421 break;
2422 case SIOCS80211:
2423 error = suser(curthread);
2424 if (error == 0)
2425 error = ieee80211_ioctl_set80211(ic, cmd,
2426 (struct ieee80211req *) data);
2427 break;
2428 case SIOCGIFGENERIC:
2429 error = ieee80211_cfgget(ic, cmd, data);
2430 break;
2431 case SIOCSIFGENERIC:
2432 error = suser(curthread);
2433 if (error)
2434 break;
2435 error = ieee80211_cfgset(ic, cmd, data);
2436 break;
2437 case SIOCG80211STATS:
2438 ifr = (struct ifreq *)data;
2439 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats));
2440 break;
2441 case SIOCSIFMTU:
2442 ifr = (struct ifreq *)data;
2443 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
2444 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
2445 error = EINVAL;
2446 else
2447 ifp->if_mtu = ifr->ifr_mtu;
2448 break;
2449 case SIOCSIFADDR:
2450 /*
2451 * XXX Handle this directly so we can supress if_init calls.
2452 * XXX This should be done in ether_ioctl but for the moment
2453 * XXX there are too many other parts of the system that
2454 * XXX set IFF_UP and so supress if_init being called when
2455 * XXX it should be.
2456 */
2457 ifa = (struct ifaddr *) data;
2458 switch (ifa->ifa_addr->sa_family) {
2459 #ifdef INET
2460 case AF_INET:
2461 if ((ifp->if_flags & IFF_UP) == 0) {
2462 ifp->if_flags |= IFF_UP;
2463 ifp->if_init(ifp->if_softc);
2464 }
2465 arp_ifinit(ifp, ifa);
2466 break;
2467 #endif
2468 #ifdef IPX
2469 /*
2470 * XXX - This code is probably wrong,
2471 * but has been copied many times.
2472 */
2473 case AF_IPX: {
2474 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
2475
2476 if (ipx_nullhost(*ina))
2477 ina->x_host = *(union ipx_host *)
2478 IFP2ENADDR(ifp);
2479 else
2480 bcopy((caddr_t) ina->x_host.c_host,
2481 (caddr_t) IFP2ENADDR(ifp),
2482 ETHER_ADDR_LEN);
2483 /* fall thru... */
2484 }
2485 #endif
2486 default:
2487 if ((ifp->if_flags & IFF_UP) == 0) {
2488 ifp->if_flags |= IFF_UP;
2489 ifp->if_init(ifp->if_softc);
2490 }
2491 break;
2492 }
2493 break;
2494 default:
2495 error = ether_ioctl(ifp, cmd, data);
2496 break;
2497 }
2498 return error;
2499 }
Cache object: 4d76fd21f1aa27f9697bfff18702cf23
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