Line data Source code
1 : /*
2 : * hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response
3 : * Copyright (c) 2002-2004, Instant802 Networks, Inc.
4 : * Copyright (c) 2005-2006, Devicescape Software, Inc.
5 : * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
6 : *
7 : * This software may be distributed under the terms of the BSD license.
8 : * See README for more details.
9 : */
10 :
11 : #include "utils/includes.h"
12 :
13 : #ifndef CONFIG_NATIVE_WINDOWS
14 :
15 : #include "utils/common.h"
16 : #include "common/ieee802_11_defs.h"
17 : #include "common/ieee802_11_common.h"
18 : #include "common/hw_features_common.h"
19 : #include "wps/wps_defs.h"
20 : #include "p2p/p2p.h"
21 : #include "hostapd.h"
22 : #include "ieee802_11.h"
23 : #include "wpa_auth.h"
24 : #include "wmm.h"
25 : #include "ap_config.h"
26 : #include "sta_info.h"
27 : #include "p2p_hostapd.h"
28 : #include "ap_drv_ops.h"
29 : #include "beacon.h"
30 : #include "hs20.h"
31 : #include "dfs.h"
32 :
33 :
34 : #ifdef NEED_AP_MLME
35 :
36 5314 : static u8 * hostapd_eid_rm_enabled_capab(struct hostapd_data *hapd, u8 *eid,
37 : size_t len)
38 : {
39 5314 : if (!hapd->conf->radio_measurements || len < 2 + 4)
40 5312 : return eid;
41 :
42 2 : *eid++ = WLAN_EID_RRM_ENABLED_CAPABILITIES;
43 2 : *eid++ = 5;
44 2 : *eid++ = (hapd->conf->radio_measurements & BIT(0)) ?
45 : WLAN_RRM_CAPS_NEIGHBOR_REPORT : 0x00;
46 2 : *eid++ = 0x00;
47 2 : *eid++ = 0x00;
48 2 : *eid++ = 0x00;
49 2 : *eid++ = 0x00;
50 2 : return eid;
51 : }
52 :
53 :
54 5314 : static u8 * hostapd_eid_bss_load(struct hostapd_data *hapd, u8 *eid, size_t len)
55 : {
56 5314 : if (len < 2 + 5)
57 0 : return eid;
58 :
59 : #ifdef CONFIG_TESTING_OPTIONS
60 5314 : if (hapd->conf->bss_load_test_set) {
61 11 : *eid++ = WLAN_EID_BSS_LOAD;
62 11 : *eid++ = 5;
63 11 : os_memcpy(eid, hapd->conf->bss_load_test, 5);
64 11 : eid += 5;
65 11 : return eid;
66 : }
67 : #endif /* CONFIG_TESTING_OPTIONS */
68 5303 : if (hapd->conf->bss_load_update_period) {
69 7 : *eid++ = WLAN_EID_BSS_LOAD;
70 7 : *eid++ = 5;
71 7 : WPA_PUT_LE16(eid, hapd->num_sta);
72 7 : eid += 2;
73 7 : *eid++ = hapd->iface->channel_utilization;
74 7 : WPA_PUT_LE16(eid, 0); /* no available admission capabity */
75 7 : eid += 2;
76 : }
77 5303 : return eid;
78 : }
79 :
80 :
81 8059 : static u8 ieee802_11_erp_info(struct hostapd_data *hapd)
82 : {
83 8059 : u8 erp = 0;
84 :
85 16108 : if (hapd->iface->current_mode == NULL ||
86 8049 : hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
87 136 : return 0;
88 :
89 7923 : if (hapd->iface->olbc)
90 2 : erp |= ERP_INFO_USE_PROTECTION;
91 7923 : if (hapd->iface->num_sta_non_erp > 0) {
92 0 : erp |= ERP_INFO_NON_ERP_PRESENT |
93 : ERP_INFO_USE_PROTECTION;
94 : }
95 15846 : if (hapd->iface->num_sta_no_short_preamble > 0 ||
96 7923 : hapd->iconf->preamble == LONG_PREAMBLE)
97 7920 : erp |= ERP_INFO_BARKER_PREAMBLE_MODE;
98 :
99 7923 : return erp;
100 : }
101 :
102 :
103 5314 : static u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid)
104 : {
105 5314 : *eid++ = WLAN_EID_DS_PARAMS;
106 5314 : *eid++ = 1;
107 5314 : *eid++ = hapd->iconf->channel;
108 5314 : return eid;
109 : }
110 :
111 :
112 5314 : static u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid)
113 : {
114 10618 : if (hapd->iface->current_mode == NULL ||
115 5304 : hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
116 189 : return eid;
117 :
118 : /* Set NonERP_present and use_protection bits if there
119 : * are any associated NonERP stations. */
120 : /* TODO: use_protection bit can be set to zero even if
121 : * there are NonERP stations present. This optimization
122 : * might be useful if NonERP stations are "quiet".
123 : * See 802.11g/D6 E-1 for recommended practice.
124 : * In addition, Non ERP present might be set, if AP detects Non ERP
125 : * operation on other APs. */
126 :
127 : /* Add ERP Information element */
128 5125 : *eid++ = WLAN_EID_ERP_INFO;
129 5125 : *eid++ = 1;
130 5125 : *eid++ = ieee802_11_erp_info(hapd);
131 :
132 5125 : return eid;
133 : }
134 :
135 :
136 5314 : static u8 * hostapd_eid_pwr_constraint(struct hostapd_data *hapd, u8 *eid)
137 : {
138 5314 : u8 *pos = eid;
139 5314 : u8 local_pwr_constraint = 0;
140 : int dfs;
141 :
142 10618 : if (hapd->iface->current_mode == NULL ||
143 5304 : hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211A)
144 5145 : return eid;
145 :
146 : /* Let host drivers add this IE if DFS support is offloaded */
147 169 : if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)
148 0 : return eid;
149 :
150 : /*
151 : * There is no DFS support and power constraint was not directly
152 : * requested by config option.
153 : */
154 309 : if (!hapd->iconf->ieee80211h &&
155 140 : hapd->iconf->local_pwr_constraint == -1)
156 138 : return eid;
157 :
158 : /* Check if DFS is required by regulatory. */
159 31 : dfs = hostapd_is_dfs_required(hapd->iface);
160 31 : if (dfs < 0) {
161 0 : wpa_printf(MSG_WARNING, "Failed to check if DFS is required; ret=%d",
162 : dfs);
163 0 : dfs = 0;
164 : }
165 :
166 31 : if (dfs == 0 && hapd->iconf->local_pwr_constraint == -1)
167 14 : return eid;
168 :
169 : /*
170 : * ieee80211h (DFS) is enabled so Power Constraint element shall
171 : * be added when running on DFS channel whenever local_pwr_constraint
172 : * is configured or not. In order to meet regulations when TPC is not
173 : * implemented using a transmit power that is below the legal maximum
174 : * (including any mitigation factor) should help. In this case,
175 : * indicate 3 dB below maximum allowed transmit power.
176 : */
177 17 : if (hapd->iconf->local_pwr_constraint == -1)
178 15 : local_pwr_constraint = 3;
179 :
180 : /*
181 : * A STA that is not an AP shall use a transmit power less than or
182 : * equal to the local maximum transmit power level for the channel.
183 : * The local maximum transmit power can be calculated from the formula:
184 : * local max TX pwr = max TX pwr - local pwr constraint
185 : * Where max TX pwr is maximum transmit power level specified for
186 : * channel in Country element and local pwr constraint is specified
187 : * for channel in this Power Constraint element.
188 : */
189 :
190 : /* Element ID */
191 17 : *pos++ = WLAN_EID_PWR_CONSTRAINT;
192 : /* Length */
193 17 : *pos++ = 1;
194 : /* Local Power Constraint */
195 17 : if (local_pwr_constraint)
196 15 : *pos++ = local_pwr_constraint;
197 : else
198 2 : *pos++ = hapd->iconf->local_pwr_constraint;
199 :
200 17 : return pos;
201 : }
202 :
203 :
204 70 : static u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing,
205 : struct hostapd_channel_data *start,
206 : struct hostapd_channel_data *prev)
207 : {
208 70 : if (end - pos < 3)
209 0 : return pos;
210 :
211 : /* first channel number */
212 70 : *pos++ = start->chan;
213 : /* number of channels */
214 70 : *pos++ = (prev->chan - start->chan) / chan_spacing + 1;
215 : /* maximum transmit power level */
216 70 : *pos++ = start->max_tx_power;
217 :
218 70 : return pos;
219 : }
220 :
221 :
222 5314 : static u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid,
223 : int max_len)
224 : {
225 5314 : u8 *pos = eid;
226 5314 : u8 *end = eid + max_len;
227 : int i;
228 : struct hostapd_hw_modes *mode;
229 : struct hostapd_channel_data *start, *prev;
230 5314 : int chan_spacing = 1;
231 :
232 5352 : if (!hapd->iconf->ieee80211d || max_len < 6 ||
233 38 : hapd->iface->current_mode == NULL)
234 5276 : return eid;
235 :
236 38 : *pos++ = WLAN_EID_COUNTRY;
237 38 : pos++; /* length will be set later */
238 38 : os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */
239 38 : pos += 3;
240 :
241 38 : mode = hapd->iface->current_mode;
242 38 : if (mode->mode == HOSTAPD_MODE_IEEE80211A)
243 35 : chan_spacing = 4;
244 :
245 38 : start = prev = NULL;
246 920 : for (i = 0; i < mode->num_channels; i++) {
247 882 : struct hostapd_channel_data *chan = &mode->channels[i];
248 882 : if (chan->flag & HOSTAPD_CHAN_DISABLED)
249 286 : continue;
250 1154 : if (start && prev &&
251 1087 : prev->chan + chan_spacing == chan->chan &&
252 529 : start->max_tx_power == chan->max_tx_power) {
253 526 : prev = chan;
254 526 : continue; /* can use same entry */
255 : }
256 :
257 70 : if (start && prev) {
258 32 : pos = hostapd_eid_country_add(pos, end, chan_spacing,
259 : start, prev);
260 32 : start = NULL;
261 : }
262 :
263 : /* Start new group */
264 70 : start = prev = chan;
265 : }
266 :
267 38 : if (start) {
268 38 : pos = hostapd_eid_country_add(pos, end, chan_spacing,
269 : start, prev);
270 : }
271 :
272 38 : if ((pos - eid) & 1) {
273 26 : if (end - pos < 1)
274 0 : return eid;
275 26 : *pos++ = 0; /* pad for 16-bit alignment */
276 : }
277 :
278 38 : eid[1] = (pos - eid) - 2;
279 :
280 38 : return pos;
281 : }
282 :
283 :
284 5314 : static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len)
285 : {
286 : const u8 *ie;
287 : size_t ielen;
288 :
289 5314 : ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen);
290 5314 : if (ie == NULL || ielen > len)
291 1279 : return eid;
292 :
293 4035 : os_memcpy(eid, ie, ielen);
294 4035 : return eid + ielen;
295 : }
296 :
297 :
298 5314 : static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
299 : {
300 : u8 chan;
301 :
302 5314 : if (!hapd->cs_freq_params.freq)
303 5291 : return eid;
304 :
305 23 : if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) ==
306 : NUM_HOSTAPD_MODES)
307 0 : return eid;
308 :
309 23 : *eid++ = WLAN_EID_CHANNEL_SWITCH;
310 23 : *eid++ = 3;
311 23 : *eid++ = hapd->cs_block_tx;
312 23 : *eid++ = chan;
313 23 : *eid++ = hapd->cs_count;
314 :
315 23 : return eid;
316 : }
317 :
318 :
319 23 : static u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid)
320 : {
321 : u8 sec_ch;
322 :
323 23 : if (!hapd->cs_freq_params.sec_channel_offset)
324 14 : return eid;
325 :
326 9 : if (hapd->cs_freq_params.sec_channel_offset == -1)
327 2 : sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW;
328 7 : else if (hapd->cs_freq_params.sec_channel_offset == 1)
329 6 : sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE;
330 : else
331 1 : return eid;
332 :
333 8 : *eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET;
334 8 : *eid++ = 1;
335 8 : *eid++ = sec_ch;
336 :
337 8 : return eid;
338 : }
339 :
340 :
341 5314 : static u8 * hostapd_add_csa_elems(struct hostapd_data *hapd, u8 *pos,
342 : u8 *start, unsigned int *csa_counter_off)
343 : {
344 5314 : u8 *old_pos = pos;
345 :
346 5314 : if (!csa_counter_off)
347 0 : return pos;
348 :
349 5314 : *csa_counter_off = 0;
350 5314 : pos = hostapd_eid_csa(hapd, pos);
351 :
352 5314 : if (pos != old_pos) {
353 : /* save an offset to the counter - should be last byte */
354 23 : *csa_counter_off = pos - start - 1;
355 23 : pos = hostapd_eid_secondary_channel(hapd, pos);
356 : }
357 :
358 5314 : return pos;
359 : }
360 :
361 :
362 2380 : static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
363 : struct sta_info *sta,
364 : const struct ieee80211_mgmt *req,
365 : int is_p2p, size_t *resp_len)
366 : {
367 : struct ieee80211_mgmt *resp;
368 : u8 *pos, *epos;
369 : size_t buflen;
370 :
371 : #define MAX_PROBERESP_LEN 768
372 2380 : buflen = MAX_PROBERESP_LEN;
373 : #ifdef CONFIG_WPS
374 2380 : if (hapd->wps_probe_resp_ie)
375 665 : buflen += wpabuf_len(hapd->wps_probe_resp_ie);
376 : #endif /* CONFIG_WPS */
377 : #ifdef CONFIG_P2P
378 384 : if (hapd->p2p_probe_resp_ie)
379 358 : buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
380 : #endif /* CONFIG_P2P */
381 2380 : if (hapd->conf->vendor_elements)
382 1 : buflen += wpabuf_len(hapd->conf->vendor_elements);
383 2380 : if (hapd->conf->vendor_vht) {
384 2 : buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
385 : 2 + sizeof(struct ieee80211_vht_operation);
386 : }
387 2380 : resp = os_zalloc(buflen);
388 2380 : if (resp == NULL)
389 0 : return NULL;
390 :
391 2380 : epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
392 :
393 2380 : resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
394 : WLAN_FC_STYPE_PROBE_RESP);
395 2380 : if (req)
396 2380 : os_memcpy(resp->da, req->sa, ETH_ALEN);
397 2380 : os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
398 :
399 2380 : os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
400 2380 : resp->u.probe_resp.beacon_int =
401 2380 : host_to_le16(hapd->iconf->beacon_int);
402 :
403 : /* hardware or low-level driver will setup seq_ctrl and timestamp */
404 2380 : resp->u.probe_resp.capab_info =
405 2380 : host_to_le16(hostapd_own_capab_info(hapd, sta, 1));
406 :
407 2380 : pos = resp->u.probe_resp.variable;
408 2380 : *pos++ = WLAN_EID_SSID;
409 2380 : *pos++ = hapd->conf->ssid.ssid_len;
410 2380 : os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len);
411 2380 : pos += hapd->conf->ssid.ssid_len;
412 :
413 : /* Supported rates */
414 2380 : pos = hostapd_eid_supp_rates(hapd, pos);
415 :
416 : /* DS Params */
417 2380 : pos = hostapd_eid_ds_params(hapd, pos);
418 :
419 2380 : pos = hostapd_eid_country(hapd, pos, epos - pos);
420 :
421 : /* Power Constraint element */
422 2380 : pos = hostapd_eid_pwr_constraint(hapd, pos);
423 :
424 : /* ERP Information element */
425 2380 : pos = hostapd_eid_erp_info(hapd, pos);
426 :
427 : /* Extended supported rates */
428 2380 : pos = hostapd_eid_ext_supp_rates(hapd, pos);
429 :
430 : /* RSN, MDIE, WPA */
431 2380 : pos = hostapd_eid_wpa(hapd, pos, epos - pos);
432 :
433 2380 : pos = hostapd_eid_bss_load(hapd, pos, epos - pos);
434 :
435 2380 : pos = hostapd_eid_rm_enabled_capab(hapd, pos, epos - pos);
436 :
437 : #ifdef CONFIG_IEEE80211N
438 2380 : pos = hostapd_eid_ht_capabilities(hapd, pos);
439 2380 : pos = hostapd_eid_ht_operation(hapd, pos);
440 : #endif /* CONFIG_IEEE80211N */
441 :
442 2380 : pos = hostapd_eid_ext_capab(hapd, pos);
443 :
444 2380 : pos = hostapd_eid_time_adv(hapd, pos);
445 2380 : pos = hostapd_eid_time_zone(hapd, pos);
446 :
447 2380 : pos = hostapd_eid_interworking(hapd, pos);
448 2380 : pos = hostapd_eid_adv_proto(hapd, pos);
449 2380 : pos = hostapd_eid_roaming_consortium(hapd, pos);
450 :
451 2380 : pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
452 : &hapd->cs_c_off_proberesp);
453 : #ifdef CONFIG_IEEE80211AC
454 1996 : if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
455 15 : pos = hostapd_eid_vht_capabilities(hapd, pos);
456 15 : pos = hostapd_eid_vht_operation(hapd, pos);
457 : }
458 1996 : if (hapd->conf->vendor_vht)
459 2 : pos = hostapd_eid_vendor_vht(hapd, pos);
460 : #endif /* CONFIG_IEEE80211AC */
461 :
462 : /* Wi-Fi Alliance WMM */
463 2380 : pos = hostapd_eid_wmm(hapd, pos);
464 :
465 : #ifdef CONFIG_WPS
466 2380 : if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
467 665 : os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
468 : wpabuf_len(hapd->wps_probe_resp_ie));
469 665 : pos += wpabuf_len(hapd->wps_probe_resp_ie);
470 : }
471 : #endif /* CONFIG_WPS */
472 :
473 : #ifdef CONFIG_P2P
474 719 : if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p &&
475 335 : hapd->p2p_probe_resp_ie) {
476 335 : os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
477 : wpabuf_len(hapd->p2p_probe_resp_ie));
478 335 : pos += wpabuf_len(hapd->p2p_probe_resp_ie);
479 : }
480 : #endif /* CONFIG_P2P */
481 : #ifdef CONFIG_P2P_MANAGER
482 1996 : if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
483 : P2P_MANAGE)
484 6 : pos = hostapd_eid_p2p_manage(hapd, pos);
485 : #endif /* CONFIG_P2P_MANAGER */
486 :
487 : #ifdef CONFIG_HS20
488 2380 : pos = hostapd_eid_hs20_indication(hapd, pos);
489 2380 : pos = hostapd_eid_osen(hapd, pos);
490 : #endif /* CONFIG_HS20 */
491 :
492 2380 : if (hapd->conf->vendor_elements) {
493 1 : os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
494 : wpabuf_len(hapd->conf->vendor_elements));
495 1 : pos += wpabuf_len(hapd->conf->vendor_elements);
496 : }
497 :
498 2380 : *resp_len = pos - (u8 *) resp;
499 2380 : return (u8 *) resp;
500 : }
501 :
502 :
503 : enum ssid_match_result {
504 : NO_SSID_MATCH,
505 : EXACT_SSID_MATCH,
506 : WILDCARD_SSID_MATCH
507 : };
508 :
509 2526 : static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
510 : const u8 *ssid, size_t ssid_len,
511 : const u8 *ssid_list,
512 : size_t ssid_list_len)
513 : {
514 : const u8 *pos, *end;
515 2526 : int wildcard = 0;
516 :
517 2526 : if (ssid_len == 0)
518 1987 : wildcard = 1;
519 2955 : if (ssid_len == hapd->conf->ssid.ssid_len &&
520 429 : os_memcmp(ssid, hapd->conf->ssid.ssid, ssid_len) == 0)
521 409 : return EXACT_SSID_MATCH;
522 :
523 2117 : if (ssid_list == NULL)
524 2117 : return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
525 :
526 0 : pos = ssid_list;
527 0 : end = ssid_list + ssid_list_len;
528 0 : while (pos + 1 <= end) {
529 0 : if (pos + 2 + pos[1] > end)
530 0 : break;
531 0 : if (pos[1] == 0)
532 0 : wildcard = 1;
533 0 : if (pos[1] == hapd->conf->ssid.ssid_len &&
534 0 : os_memcmp(pos + 2, hapd->conf->ssid.ssid, pos[1]) == 0)
535 0 : return EXACT_SSID_MATCH;
536 0 : pos += 2 + pos[1];
537 : }
538 :
539 0 : return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
540 : }
541 :
542 :
543 2549 : void handle_probe_req(struct hostapd_data *hapd,
544 : const struct ieee80211_mgmt *mgmt, size_t len,
545 : int ssi_signal)
546 : {
547 : u8 *resp;
548 : struct ieee802_11_elems elems;
549 : const u8 *ie;
550 : size_t ie_len;
551 2549 : struct sta_info *sta = NULL;
552 : size_t i, resp_len;
553 : int noack;
554 : enum ssid_match_result res;
555 :
556 2549 : ie = mgmt->u.probe_req.variable;
557 2549 : if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
558 169 : return;
559 2549 : ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
560 :
561 3638 : for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
562 2178 : if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
563 1089 : mgmt->sa, mgmt->da, mgmt->bssid,
564 : ie, ie_len, ssi_signal) > 0)
565 0 : return;
566 :
567 2549 : if (!hapd->iconf->send_probe_response)
568 0 : return;
569 :
570 2549 : if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
571 0 : wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR,
572 0 : MAC2STR(mgmt->sa));
573 0 : return;
574 : }
575 :
576 2549 : if ((!elems.ssid || !elems.supp_rates)) {
577 0 : wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request "
578 : "without SSID or supported rates element",
579 0 : MAC2STR(mgmt->sa));
580 0 : return;
581 : }
582 :
583 : /*
584 : * No need to reply if the Probe Request frame was sent on an adjacent
585 : * channel. IEEE Std 802.11-2012 describes this as a requirement for an
586 : * AP with dot11RadioMeasurementActivated set to true, but strictly
587 : * speaking does not allow such ignoring of Probe Request frames if
588 : * dot11RadioMeasurementActivated is false. Anyway, this can help reduce
589 : * number of unnecessary Probe Response frames for cases where the STA
590 : * is less likely to see them (Probe Request frame sent on a
591 : * neighboring, but partially overlapping, channel).
592 : */
593 4832 : if (elems.ds_params && elems.ds_params_len == 1 &&
594 4566 : hapd->iface->current_mode &&
595 2285 : (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G ||
596 2285 : hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211B) &&
597 2283 : hapd->iconf->channel != elems.ds_params[0]) {
598 0 : wpa_printf(MSG_DEBUG,
599 : "Ignore Probe Request due to DS Params mismatch: chan=%u != ds.chan=%u",
600 0 : hapd->iconf->channel, elems.ds_params[0]);
601 0 : return;
602 : }
603 :
604 : #ifdef CONFIG_P2P
605 400 : if (hapd->p2p && elems.wps_ie) {
606 : struct wpabuf *wps;
607 369 : wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
608 369 : if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) {
609 2 : wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
610 : "due to mismatch with Requested Device "
611 : "Type");
612 2 : wpabuf_free(wps);
613 2 : return;
614 : }
615 367 : wpabuf_free(wps);
616 : }
617 :
618 398 : if (hapd->p2p && elems.p2p) {
619 : struct wpabuf *p2p;
620 365 : p2p = ieee802_11_vendor_ie_concat(ie, ie_len, P2P_IE_VENDOR_TYPE);
621 365 : if (p2p && !p2p_group_match_dev_id(hapd->p2p_group, p2p)) {
622 4 : wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
623 : "due to mismatch with Device ID");
624 4 : wpabuf_free(p2p);
625 4 : return;
626 : }
627 361 : wpabuf_free(p2p);
628 : }
629 : #endif /* CONFIG_P2P */
630 :
631 2560 : if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0 &&
632 17 : elems.ssid_list_len == 0) {
633 102 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for "
634 102 : "broadcast SSID ignored", MAC2STR(mgmt->sa));
635 17 : return;
636 : }
637 :
638 2526 : sta = ap_get_sta(hapd, mgmt->sa);
639 :
640 : #ifdef CONFIG_P2P
641 762 : if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
642 497 : elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
643 129 : os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
644 : P2P_WILDCARD_SSID_LEN) == 0) {
645 : /* Process P2P Wildcard SSID like Wildcard SSID */
646 129 : elems.ssid_len = 0;
647 : }
648 : #endif /* CONFIG_P2P */
649 :
650 2526 : res = ssid_match(hapd, elems.ssid, elems.ssid_len,
651 2526 : elems.ssid_list, elems.ssid_list_len);
652 2526 : if (res != NO_SSID_MATCH) {
653 2396 : if (sta)
654 260 : sta->ssid_probe = &hapd->conf->ssid;
655 : } else {
656 130 : if (!(mgmt->da[0] & 0x01)) {
657 0 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
658 : " for foreign SSID '%s' (DA " MACSTR ")%s",
659 0 : MAC2STR(mgmt->sa),
660 0 : wpa_ssid_txt(elems.ssid, elems.ssid_len),
661 0 : MAC2STR(mgmt->da),
662 0 : elems.ssid_list ? " (SSID list)" : "");
663 : }
664 130 : return;
665 : }
666 :
667 : #ifdef CONFIG_INTERWORKING
668 2707 : if (hapd->conf->interworking &&
669 589 : elems.interworking && elems.interworking_len >= 1) {
670 278 : u8 ant = elems.interworking[0] & 0x0f;
671 288 : if (ant != INTERWORKING_ANT_WILDCARD &&
672 10 : ant != hapd->conf->access_network_type) {
673 35 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
674 : " for mismatching ANT %u ignored",
675 30 : MAC2STR(mgmt->sa), ant);
676 5 : return;
677 : }
678 : }
679 :
680 2664 : if (hapd->conf->interworking && elems.interworking &&
681 541 : (elems.interworking_len == 7 || elems.interworking_len == 9)) {
682 : const u8 *hessid;
683 5 : if (elems.interworking_len == 7)
684 5 : hessid = elems.interworking + 1;
685 : else
686 0 : hessid = elems.interworking + 1 + 2;
687 10 : if (!is_broadcast_ether_addr(hessid) &&
688 5 : os_memcmp(hessid, hapd->conf->hessid, ETH_ALEN) != 0) {
689 36 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
690 : " for mismatching HESSID " MACSTR
691 : " ignored",
692 36 : MAC2STR(mgmt->sa), MAC2STR(hessid));
693 3 : return;
694 : }
695 : }
696 : #endif /* CONFIG_INTERWORKING */
697 :
698 : #ifdef CONFIG_P2P
699 742 : if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
700 358 : supp_rates_11b_only(&elems)) {
701 : /* Indicates support for 11b rates only */
702 0 : wpa_printf(MSG_EXCESSIVE, "P2P: Ignore Probe Request from "
703 : MACSTR " with only 802.11b rates",
704 0 : MAC2STR(mgmt->sa));
705 0 : return;
706 : }
707 : #endif /* CONFIG_P2P */
708 :
709 : /* TODO: verify that supp_rates contains at least one matching rate
710 : * with AP configuration */
711 :
712 : #ifdef CONFIG_TESTING_OPTIONS
713 2399 : if (hapd->iconf->ignore_probe_probability > 0.0 &&
714 11 : drand48() < hapd->iconf->ignore_probe_probability) {
715 48 : wpa_printf(MSG_INFO,
716 : "TESTING: ignoring probe request from " MACSTR,
717 48 : MAC2STR(mgmt->sa));
718 8 : return;
719 : }
720 : #endif /* CONFIG_TESTING_OPTIONS */
721 :
722 2380 : resp = hostapd_gen_probe_resp(hapd, sta, mgmt, elems.p2p != NULL,
723 : &resp_len);
724 2380 : if (resp == NULL)
725 0 : return;
726 :
727 : /*
728 : * If this is a broadcast probe request, apply no ack policy to avoid
729 : * excessive retries.
730 : */
731 4351 : noack = !!(res == WILDCARD_SSID_MATCH &&
732 1971 : is_broadcast_ether_addr(mgmt->da));
733 :
734 2380 : if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack) < 0)
735 4 : wpa_printf(MSG_INFO, "handle_probe_req: send failed");
736 :
737 2380 : os_free(resp);
738 :
739 16660 : wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s "
740 14280 : "SSID", MAC2STR(mgmt->sa),
741 2380 : elems.ssid_len == 0 ? "broadcast" : "our");
742 : }
743 :
744 :
745 2934 : static u8 * hostapd_probe_resp_offloads(struct hostapd_data *hapd,
746 : size_t *resp_len)
747 : {
748 : /* check probe response offloading caps and print warnings */
749 2934 : if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD))
750 2934 : return NULL;
751 :
752 : #ifdef CONFIG_WPS
753 0 : if (hapd->conf->wps_state && hapd->wps_probe_resp_ie &&
754 0 : (!(hapd->iface->probe_resp_offloads &
755 : (WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS |
756 : WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2))))
757 0 : wpa_printf(MSG_WARNING, "Device is trying to offload WPS "
758 : "Probe Response while not supporting this");
759 : #endif /* CONFIG_WPS */
760 :
761 : #ifdef CONFIG_P2P
762 0 : if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_probe_resp_ie &&
763 0 : !(hapd->iface->probe_resp_offloads &
764 : WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P))
765 0 : wpa_printf(MSG_WARNING, "Device is trying to offload P2P "
766 : "Probe Response while not supporting this");
767 : #endif /* CONFIG_P2P */
768 :
769 0 : if (hapd->conf->interworking &&
770 0 : !(hapd->iface->probe_resp_offloads &
771 : WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING))
772 0 : wpa_printf(MSG_WARNING, "Device is trying to offload "
773 : "Interworking Probe Response while not supporting "
774 : "this");
775 :
776 : /* Generate a Probe Response template for the non-P2P case */
777 0 : return hostapd_gen_probe_resp(hapd, NULL, NULL, 0, resp_len);
778 : }
779 :
780 : #endif /* NEED_AP_MLME */
781 :
782 :
783 2936 : int ieee802_11_build_ap_params(struct hostapd_data *hapd,
784 : struct wpa_driver_ap_params *params)
785 : {
786 2936 : struct ieee80211_mgmt *head = NULL;
787 2936 : u8 *tail = NULL;
788 2936 : size_t head_len = 0, tail_len = 0;
789 2936 : u8 *resp = NULL;
790 2936 : size_t resp_len = 0;
791 : #ifdef NEED_AP_MLME
792 : u16 capab_info;
793 : u8 *pos, *tailpos;
794 :
795 : #define BEACON_HEAD_BUF_SIZE 256
796 : #define BEACON_TAIL_BUF_SIZE 512
797 2936 : head = os_zalloc(BEACON_HEAD_BUF_SIZE);
798 2936 : tail_len = BEACON_TAIL_BUF_SIZE;
799 : #ifdef CONFIG_WPS
800 2936 : if (hapd->conf->wps_state && hapd->wps_beacon_ie)
801 1826 : tail_len += wpabuf_len(hapd->wps_beacon_ie);
802 : #endif /* CONFIG_WPS */
803 : #ifdef CONFIG_P2P
804 1530 : if (hapd->p2p_beacon_ie)
805 1494 : tail_len += wpabuf_len(hapd->p2p_beacon_ie);
806 : #endif /* CONFIG_P2P */
807 2936 : if (hapd->conf->vendor_elements)
808 1 : tail_len += wpabuf_len(hapd->conf->vendor_elements);
809 :
810 : #ifdef CONFIG_IEEE80211AC
811 1406 : if (hapd->conf->vendor_vht) {
812 1 : tail_len += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
813 : 2 + sizeof(struct ieee80211_vht_operation);
814 : }
815 : #endif /* CONFIG_IEEE80211AC */
816 :
817 2936 : tailpos = tail = os_malloc(tail_len);
818 2936 : if (head == NULL || tail == NULL) {
819 2 : wpa_printf(MSG_ERROR, "Failed to set beacon data");
820 2 : os_free(head);
821 2 : os_free(tail);
822 2 : return -1;
823 : }
824 :
825 2934 : head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
826 : WLAN_FC_STYPE_BEACON);
827 2934 : head->duration = host_to_le16(0);
828 2934 : os_memset(head->da, 0xff, ETH_ALEN);
829 :
830 2934 : os_memcpy(head->sa, hapd->own_addr, ETH_ALEN);
831 2934 : os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN);
832 2934 : head->u.beacon.beacon_int =
833 2934 : host_to_le16(hapd->iconf->beacon_int);
834 :
835 : /* hardware or low-level driver will setup seq_ctrl and timestamp */
836 2934 : capab_info = hostapd_own_capab_info(hapd, NULL, 0);
837 2934 : head->u.beacon.capab_info = host_to_le16(capab_info);
838 2934 : pos = &head->u.beacon.variable[0];
839 :
840 : /* SSID */
841 2934 : *pos++ = WLAN_EID_SSID;
842 2934 : if (hapd->conf->ignore_broadcast_ssid == 2) {
843 : /* clear the data, but keep the correct length of the SSID */
844 1 : *pos++ = hapd->conf->ssid.ssid_len;
845 1 : os_memset(pos, 0, hapd->conf->ssid.ssid_len);
846 1 : pos += hapd->conf->ssid.ssid_len;
847 2933 : } else if (hapd->conf->ignore_broadcast_ssid) {
848 8 : *pos++ = 0; /* empty SSID */
849 : } else {
850 2925 : *pos++ = hapd->conf->ssid.ssid_len;
851 2925 : os_memcpy(pos, hapd->conf->ssid.ssid,
852 : hapd->conf->ssid.ssid_len);
853 2925 : pos += hapd->conf->ssid.ssid_len;
854 : }
855 :
856 : /* Supported rates */
857 2934 : pos = hostapd_eid_supp_rates(hapd, pos);
858 :
859 : /* DS Params */
860 2934 : pos = hostapd_eid_ds_params(hapd, pos);
861 :
862 2934 : head_len = pos - (u8 *) head;
863 :
864 2934 : tailpos = hostapd_eid_country(hapd, tailpos,
865 2934 : tail + BEACON_TAIL_BUF_SIZE - tailpos);
866 :
867 : /* Power Constraint element */
868 2934 : tailpos = hostapd_eid_pwr_constraint(hapd, tailpos);
869 :
870 : /* ERP Information element */
871 2934 : tailpos = hostapd_eid_erp_info(hapd, tailpos);
872 :
873 : /* Extended supported rates */
874 2934 : tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos);
875 :
876 : /* RSN, MDIE, WPA */
877 2934 : tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE -
878 : tailpos);
879 :
880 2934 : tailpos = hostapd_eid_rm_enabled_capab(hapd, tailpos,
881 2934 : tail + BEACON_TAIL_BUF_SIZE -
882 : tailpos);
883 :
884 2934 : tailpos = hostapd_eid_bss_load(hapd, tailpos,
885 2934 : tail + BEACON_TAIL_BUF_SIZE - tailpos);
886 :
887 : #ifdef CONFIG_IEEE80211N
888 2934 : tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
889 2934 : tailpos = hostapd_eid_ht_operation(hapd, tailpos);
890 : #endif /* CONFIG_IEEE80211N */
891 :
892 2934 : tailpos = hostapd_eid_ext_capab(hapd, tailpos);
893 :
894 : /*
895 : * TODO: Time Advertisement element should only be included in some
896 : * DTIM Beacon frames.
897 : */
898 2934 : tailpos = hostapd_eid_time_adv(hapd, tailpos);
899 :
900 2934 : tailpos = hostapd_eid_interworking(hapd, tailpos);
901 2934 : tailpos = hostapd_eid_adv_proto(hapd, tailpos);
902 2934 : tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
903 2934 : tailpos = hostapd_add_csa_elems(hapd, tailpos, tail,
904 : &hapd->cs_c_off_beacon);
905 : #ifdef CONFIG_IEEE80211AC
906 1404 : if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
907 18 : tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
908 18 : tailpos = hostapd_eid_vht_operation(hapd, tailpos);
909 : }
910 1404 : if (hapd->conf->vendor_vht)
911 1 : tailpos = hostapd_eid_vendor_vht(hapd, tailpos);
912 : #endif /* CONFIG_IEEE80211AC */
913 :
914 : /* Wi-Fi Alliance WMM */
915 2934 : tailpos = hostapd_eid_wmm(hapd, tailpos);
916 :
917 : #ifdef CONFIG_WPS
918 2934 : if (hapd->conf->wps_state && hapd->wps_beacon_ie) {
919 1826 : os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie),
920 : wpabuf_len(hapd->wps_beacon_ie));
921 1826 : tailpos += wpabuf_len(hapd->wps_beacon_ie);
922 : }
923 : #endif /* CONFIG_WPS */
924 :
925 : #ifdef CONFIG_P2P
926 1530 : if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) {
927 1494 : os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie),
928 : wpabuf_len(hapd->p2p_beacon_ie));
929 1494 : tailpos += wpabuf_len(hapd->p2p_beacon_ie);
930 : }
931 : #endif /* CONFIG_P2P */
932 : #ifdef CONFIG_P2P_MANAGER
933 1404 : if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
934 : P2P_MANAGE)
935 5 : tailpos = hostapd_eid_p2p_manage(hapd, tailpos);
936 : #endif /* CONFIG_P2P_MANAGER */
937 :
938 : #ifdef CONFIG_HS20
939 2934 : tailpos = hostapd_eid_hs20_indication(hapd, tailpos);
940 2934 : tailpos = hostapd_eid_osen(hapd, tailpos);
941 : #endif /* CONFIG_HS20 */
942 :
943 2934 : if (hapd->conf->vendor_elements) {
944 1 : os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),
945 : wpabuf_len(hapd->conf->vendor_elements));
946 1 : tailpos += wpabuf_len(hapd->conf->vendor_elements);
947 : }
948 :
949 2934 : tail_len = tailpos > tail ? tailpos - tail : 0;
950 :
951 2934 : resp = hostapd_probe_resp_offloads(hapd, &resp_len);
952 : #endif /* NEED_AP_MLME */
953 :
954 2934 : os_memset(params, 0, sizeof(*params));
955 2934 : params->head = (u8 *) head;
956 2934 : params->head_len = head_len;
957 2934 : params->tail = tail;
958 2934 : params->tail_len = tail_len;
959 2934 : params->proberesp = resp;
960 2934 : params->proberesp_len = resp_len;
961 2934 : params->dtim_period = hapd->conf->dtim_period;
962 2934 : params->beacon_int = hapd->iconf->beacon_int;
963 2934 : params->basic_rates = hapd->iface->basic_rates;
964 2934 : params->ssid = hapd->conf->ssid.ssid;
965 2934 : params->ssid_len = hapd->conf->ssid.ssid_len;
966 5868 : params->pairwise_ciphers = hapd->conf->wpa_pairwise |
967 2934 : hapd->conf->rsn_pairwise;
968 2934 : params->group_cipher = hapd->conf->wpa_group;
969 2934 : params->key_mgmt_suites = hapd->conf->wpa_key_mgmt;
970 2934 : params->auth_algs = hapd->conf->auth_algs;
971 2934 : params->wpa_version = hapd->conf->wpa;
972 5870 : params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa ||
973 499 : (hapd->conf->ieee802_1x &&
974 8 : (hapd->conf->default_wep_key_len ||
975 3 : hapd->conf->individual_wep_key_len));
976 2934 : switch (hapd->conf->ignore_broadcast_ssid) {
977 : case 0:
978 2925 : params->hide_ssid = NO_SSID_HIDING;
979 2925 : break;
980 : case 1:
981 8 : params->hide_ssid = HIDDEN_SSID_ZERO_LEN;
982 8 : break;
983 : case 2:
984 1 : params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS;
985 1 : break;
986 : }
987 2934 : params->isolate = hapd->conf->isolate;
988 2934 : params->smps_mode = hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_MASK;
989 : #ifdef NEED_AP_MLME
990 2934 : params->cts_protect = !!(ieee802_11_erp_info(hapd) &
991 : ERP_INFO_USE_PROTECTION);
992 5826 : params->preamble = hapd->iface->num_sta_no_short_preamble == 0 &&
993 2892 : hapd->iconf->preamble == SHORT_PREAMBLE;
994 5858 : if (hapd->iface->current_mode &&
995 2924 : hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
996 2798 : params->short_slot_time =
997 2798 : hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1;
998 : else
999 136 : params->short_slot_time = -1;
1000 2934 : if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
1001 121 : params->ht_opmode = -1;
1002 : else
1003 2813 : params->ht_opmode = hapd->iface->ht_op_mode;
1004 : #endif /* NEED_AP_MLME */
1005 2934 : params->interworking = hapd->conf->interworking;
1006 3054 : if (hapd->conf->interworking &&
1007 120 : !is_zero_ether_addr(hapd->conf->hessid))
1008 54 : params->hessid = hapd->conf->hessid;
1009 2934 : params->access_network_type = hapd->conf->access_network_type;
1010 2934 : params->ap_max_inactivity = hapd->conf->ap_max_inactivity;
1011 : #ifdef CONFIG_P2P
1012 1530 : params->p2p_go_ctwindow = hapd->iconf->p2p_go_ctwindow;
1013 : #endif /* CONFIG_P2P */
1014 : #ifdef CONFIG_HS20
1015 2934 : params->disable_dgaf = hapd->conf->disable_dgaf;
1016 2934 : if (hapd->conf->osen) {
1017 1 : params->privacy = 1;
1018 1 : params->osen = 1;
1019 : }
1020 : #endif /* CONFIG_HS20 */
1021 2934 : return 0;
1022 : }
1023 :
1024 :
1025 2934 : void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params)
1026 : {
1027 2934 : os_free(params->tail);
1028 2934 : params->tail = NULL;
1029 2934 : os_free(params->head);
1030 2934 : params->head = NULL;
1031 2934 : os_free(params->proberesp);
1032 2934 : params->proberesp = NULL;
1033 2934 : }
1034 :
1035 :
1036 2890 : int ieee802_11_set_beacon(struct hostapd_data *hapd)
1037 : {
1038 : struct wpa_driver_ap_params params;
1039 : struct hostapd_freq_params freq;
1040 2890 : struct hostapd_iface *iface = hapd->iface;
1041 2890 : struct hostapd_config *iconf = iface->conf;
1042 : struct wpabuf *beacon, *proberesp, *assocresp;
1043 2890 : int res, ret = -1;
1044 :
1045 2890 : if (hapd->csa_in_progress) {
1046 0 : wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
1047 0 : return -1;
1048 : }
1049 :
1050 2890 : hapd->beacon_set_done = 1;
1051 :
1052 2890 : if (ieee802_11_build_ap_params(hapd, ¶ms) < 0)
1053 2 : return -1;
1054 :
1055 2888 : if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
1056 : 0)
1057 0 : goto fail;
1058 :
1059 2888 : params.beacon_ies = beacon;
1060 2888 : params.proberesp_ies = proberesp;
1061 2888 : params.assocresp_ies = assocresp;
1062 2888 : params.reenable = hapd->reenable_beacon;
1063 2888 : hapd->reenable_beacon = 0;
1064 :
1065 5766 : if (iface->current_mode &&
1066 14390 : hostapd_set_freq_params(&freq, iconf->hw_mode, iface->freq,
1067 2878 : iconf->channel, iconf->ieee80211n,
1068 : iconf->ieee80211ac,
1069 : iconf->secondary_channel,
1070 2878 : iconf->vht_oper_chwidth,
1071 2878 : iconf->vht_oper_centr_freq_seg0_idx,
1072 2878 : iconf->vht_oper_centr_freq_seg1_idx,
1073 2878 : iface->current_mode->vht_capab) == 0)
1074 2878 : params.freq = &freq;
1075 :
1076 2888 : res = hostapd_drv_set_ap(hapd, ¶ms);
1077 2888 : hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
1078 2888 : if (res)
1079 9 : wpa_printf(MSG_ERROR, "Failed to set beacon parameters");
1080 : else
1081 2879 : ret = 0;
1082 : fail:
1083 2888 : ieee802_11_free_ap_params(¶ms);
1084 2888 : return ret;
1085 : }
1086 :
1087 :
1088 792 : int ieee802_11_set_beacons(struct hostapd_iface *iface)
1089 : {
1090 : size_t i;
1091 792 : int ret = 0;
1092 :
1093 1588 : for (i = 0; i < iface->num_bss; i++) {
1094 1592 : if (iface->bss[i]->started &&
1095 796 : ieee802_11_set_beacon(iface->bss[i]) < 0)
1096 8 : ret = -1;
1097 : }
1098 :
1099 792 : return ret;
1100 : }
1101 :
1102 :
1103 : /* only update beacons if started */
1104 5 : int ieee802_11_update_beacons(struct hostapd_iface *iface)
1105 : {
1106 : size_t i;
1107 5 : int ret = 0;
1108 :
1109 10 : for (i = 0; i < iface->num_bss; i++) {
1110 10 : if (iface->bss[i]->beacon_set_done && iface->bss[i]->started &&
1111 5 : ieee802_11_set_beacon(iface->bss[i]) < 0)
1112 0 : ret = -1;
1113 : }
1114 :
1115 5 : return ret;
1116 : }
1117 :
1118 : #endif /* CONFIG_NATIVE_WINDOWS */
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