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 | |