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 "wps/wps_defs.h"
19 : #include "p2p/p2p.h"
20 : #include "hostapd.h"
21 : #include "ieee802_11.h"
22 : #include "wpa_auth.h"
23 : #include "wmm.h"
24 : #include "ap_config.h"
25 : #include "sta_info.h"
26 : #include "p2p_hostapd.h"
27 : #include "ap_drv_ops.h"
28 : #include "beacon.h"
29 : #include "hs20.h"
30 : #include "dfs.h"
31 :
32 :
33 : #ifdef NEED_AP_MLME
34 :
35 5053 : static u8 * hostapd_eid_rm_enabled_capab(struct hostapd_data *hapd, u8 *eid,
36 : size_t len)
37 : {
38 5053 : if (!hapd->conf->radio_measurements || len < 2 + 4)
39 5051 : return eid;
40 :
41 2 : *eid++ = WLAN_EID_RRM_ENABLED_CAPABILITIES;
42 2 : *eid++ = 5;
43 2 : *eid++ = (hapd->conf->radio_measurements & BIT(0)) ?
44 : WLAN_RRM_CAPS_NEIGHBOR_REPORT : 0x00;
45 2 : *eid++ = 0x00;
46 2 : *eid++ = 0x00;
47 2 : *eid++ = 0x00;
48 2 : *eid++ = 0x00;
49 2 : return eid;
50 : }
51 :
52 :
53 5053 : static u8 * hostapd_eid_bss_load(struct hostapd_data *hapd, u8 *eid, size_t len)
54 : {
55 5053 : if (len < 2 + 5)
56 0 : return eid;
57 :
58 : #ifdef CONFIG_TESTING_OPTIONS
59 5053 : if (hapd->conf->bss_load_test_set) {
60 11 : *eid++ = WLAN_EID_BSS_LOAD;
61 11 : *eid++ = 5;
62 11 : os_memcpy(eid, hapd->conf->bss_load_test, 5);
63 11 : eid += 5;
64 11 : return eid;
65 : }
66 : #endif /* CONFIG_TESTING_OPTIONS */
67 5042 : if (hapd->conf->bss_load_update_period) {
68 7 : *eid++ = WLAN_EID_BSS_LOAD;
69 7 : *eid++ = 5;
70 7 : WPA_PUT_LE16(eid, hapd->num_sta);
71 7 : eid += 2;
72 7 : *eid++ = hapd->iface->channel_utilization;
73 7 : WPA_PUT_LE16(eid, 0); /* no available admission capabity */
74 7 : eid += 2;
75 : }
76 5042 : return eid;
77 : }
78 :
79 :
80 7623 : static u8 ieee802_11_erp_info(struct hostapd_data *hapd)
81 : {
82 7623 : u8 erp = 0;
83 :
84 15236 : if (hapd->iface->current_mode == NULL ||
85 7613 : hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
86 126 : return 0;
87 :
88 7497 : if (hapd->iface->olbc)
89 2 : erp |= ERP_INFO_USE_PROTECTION;
90 7497 : if (hapd->iface->num_sta_non_erp > 0) {
91 0 : erp |= ERP_INFO_NON_ERP_PRESENT |
92 : ERP_INFO_USE_PROTECTION;
93 : }
94 14994 : if (hapd->iface->num_sta_no_short_preamble > 0 ||
95 7497 : hapd->iconf->preamble == LONG_PREAMBLE)
96 7494 : erp |= ERP_INFO_BARKER_PREAMBLE_MODE;
97 :
98 7497 : return erp;
99 : }
100 :
101 :
102 5053 : static u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid)
103 : {
104 5053 : *eid++ = WLAN_EID_DS_PARAMS;
105 5053 : *eid++ = 1;
106 5053 : *eid++ = hapd->iconf->channel;
107 5053 : return eid;
108 : }
109 :
110 :
111 5053 : static u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid)
112 : {
113 10096 : if (hapd->iface->current_mode == NULL ||
114 5043 : hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
115 172 : return eid;
116 :
117 : /* Set NonERP_present and use_protection bits if there
118 : * are any associated NonERP stations. */
119 : /* TODO: use_protection bit can be set to zero even if
120 : * there are NonERP stations present. This optimization
121 : * might be useful if NonERP stations are "quiet".
122 : * See 802.11g/D6 E-1 for recommended practice.
123 : * In addition, Non ERP present might be set, if AP detects Non ERP
124 : * operation on other APs. */
125 :
126 : /* Add ERP Information element */
127 4881 : *eid++ = WLAN_EID_ERP_INFO;
128 4881 : *eid++ = 1;
129 4881 : *eid++ = ieee802_11_erp_info(hapd);
130 :
131 4881 : return eid;
132 : }
133 :
134 :
135 5053 : static u8 * hostapd_eid_pwr_constraint(struct hostapd_data *hapd, u8 *eid)
136 : {
137 5053 : u8 *pos = eid;
138 5053 : u8 local_pwr_constraint = 0;
139 : int dfs;
140 :
141 10096 : if (hapd->iface->current_mode == NULL ||
142 5043 : hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211A)
143 4901 : return eid;
144 :
145 : /* Let host drivers add this IE if DFS support is offloaded */
146 152 : if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)
147 0 : return eid;
148 :
149 : /*
150 : * There is no DFS support and power constraint was not directly
151 : * requested by config option.
152 : */
153 278 : if (!hapd->iconf->ieee80211h &&
154 126 : hapd->iconf->local_pwr_constraint == -1)
155 124 : return eid;
156 :
157 : /* Check if DFS is required by regulatory. */
158 28 : dfs = hostapd_is_dfs_required(hapd->iface);
159 28 : if (dfs < 0) {
160 0 : wpa_printf(MSG_WARNING, "Failed to check if DFS is required; ret=%d",
161 : dfs);
162 0 : dfs = 0;
163 : }
164 :
165 28 : if (dfs == 0 && hapd->iconf->local_pwr_constraint == -1)
166 14 : return eid;
167 :
168 : /*
169 : * ieee80211h (DFS) is enabled so Power Constraint element shall
170 : * be added when running on DFS channel whenever local_pwr_constraint
171 : * is configured or not. In order to meet regulations when TPC is not
172 : * implemented using a transmit power that is below the legal maximum
173 : * (including any mitigation factor) should help. In this case,
174 : * indicate 3 dB below maximum allowed transmit power.
175 : */
176 14 : if (hapd->iconf->local_pwr_constraint == -1)
177 12 : local_pwr_constraint = 3;
178 :
179 : /*
180 : * A STA that is not an AP shall use a transmit power less than or
181 : * equal to the local maximum transmit power level for the channel.
182 : * The local maximum transmit power can be calculated from the formula:
183 : * local max TX pwr = max TX pwr - local pwr constraint
184 : * Where max TX pwr is maximum transmit power level specified for
185 : * channel in Country element and local pwr constraint is specified
186 : * for channel in this Power Constraint element.
187 : */
188 :
189 : /* Element ID */
190 14 : *pos++ = WLAN_EID_PWR_CONSTRAINT;
191 : /* Length */
192 14 : *pos++ = 1;
193 : /* Local Power Constraint */
194 14 : if (local_pwr_constraint)
195 12 : *pos++ = local_pwr_constraint;
196 : else
197 2 : *pos++ = hapd->iconf->local_pwr_constraint;
198 :
199 14 : return pos;
200 : }
201 :
202 :
203 61 : static u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing,
204 : struct hostapd_channel_data *start,
205 : struct hostapd_channel_data *prev)
206 : {
207 61 : if (end - pos < 3)
208 0 : return pos;
209 :
210 : /* first channel number */
211 61 : *pos++ = start->chan;
212 : /* number of channels */
213 61 : *pos++ = (prev->chan - start->chan) / chan_spacing + 1;
214 : /* maximum transmit power level */
215 61 : *pos++ = start->max_tx_power;
216 :
217 61 : return pos;
218 : }
219 :
220 :
221 5053 : static u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid,
222 : int max_len)
223 : {
224 5053 : u8 *pos = eid;
225 5053 : u8 *end = eid + max_len;
226 : int i;
227 : struct hostapd_hw_modes *mode;
228 : struct hostapd_channel_data *start, *prev;
229 5053 : int chan_spacing = 1;
230 :
231 5088 : if (!hapd->iconf->ieee80211d || max_len < 6 ||
232 35 : hapd->iface->current_mode == NULL)
233 5018 : return eid;
234 :
235 35 : *pos++ = WLAN_EID_COUNTRY;
236 35 : pos++; /* length will be set later */
237 35 : os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */
238 35 : pos += 3;
239 :
240 35 : mode = hapd->iface->current_mode;
241 35 : if (mode->mode == HOSTAPD_MODE_IEEE80211A)
242 32 : chan_spacing = 4;
243 :
244 35 : start = prev = NULL;
245 845 : for (i = 0; i < mode->num_channels; i++) {
246 810 : struct hostapd_channel_data *chan = &mode->channels[i];
247 810 : if (chan->flag & HOSTAPD_CHAN_DISABLED)
248 253 : continue;
249 1079 : if (start && prev &&
250 1018 : prev->chan + chan_spacing == chan->chan &&
251 496 : start->max_tx_power == chan->max_tx_power) {
252 496 : prev = chan;
253 496 : continue; /* can use same entry */
254 : }
255 :
256 61 : if (start && prev) {
257 26 : pos = hostapd_eid_country_add(pos, end, chan_spacing,
258 : start, prev);
259 26 : start = NULL;
260 : }
261 :
262 : /* Start new group */
263 61 : start = prev = chan;
264 : }
265 :
266 35 : if (start) {
267 35 : pos = hostapd_eid_country_add(pos, end, chan_spacing,
268 : start, prev);
269 : }
270 :
271 35 : if ((pos - eid) & 1) {
272 26 : if (end - pos < 1)
273 0 : return eid;
274 26 : *pos++ = 0; /* pad for 16-bit alignment */
275 : }
276 :
277 35 : eid[1] = (pos - eid) - 2;
278 :
279 35 : return pos;
280 : }
281 :
282 :
283 5053 : static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len)
284 : {
285 : const u8 *ie;
286 : size_t ielen;
287 :
288 5053 : ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen);
289 5053 : if (ie == NULL || ielen > len)
290 1212 : return eid;
291 :
292 3841 : os_memcpy(eid, ie, ielen);
293 3841 : return eid + ielen;
294 : }
295 :
296 :
297 5053 : static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
298 : {
299 : u8 chan;
300 :
301 5053 : if (!hapd->cs_freq_params.freq)
302 5030 : return eid;
303 :
304 23 : if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) ==
305 : NUM_HOSTAPD_MODES)
306 0 : return eid;
307 :
308 23 : *eid++ = WLAN_EID_CHANNEL_SWITCH;
309 23 : *eid++ = 3;
310 23 : *eid++ = hapd->cs_block_tx;
311 23 : *eid++ = chan;
312 23 : *eid++ = hapd->cs_count;
313 :
314 23 : return eid;
315 : }
316 :
317 :
318 23 : static u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid)
319 : {
320 : u8 sec_ch;
321 :
322 23 : if (!hapd->cs_freq_params.sec_channel_offset)
323 14 : return eid;
324 :
325 9 : if (hapd->cs_freq_params.sec_channel_offset == -1)
326 2 : sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW;
327 7 : else if (hapd->cs_freq_params.sec_channel_offset == 1)
328 6 : sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE;
329 : else
330 1 : return eid;
331 :
332 8 : *eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET;
333 8 : *eid++ = 1;
334 8 : *eid++ = sec_ch;
335 :
336 8 : return eid;
337 : }
338 :
339 :
340 5053 : static u8 * hostapd_add_csa_elems(struct hostapd_data *hapd, u8 *pos,
341 : u8 *start, unsigned int *csa_counter_off)
342 : {
343 5053 : u8 *old_pos = pos;
344 :
345 5053 : if (!csa_counter_off)
346 0 : return pos;
347 :
348 5053 : *csa_counter_off = 0;
349 5053 : pos = hostapd_eid_csa(hapd, pos);
350 :
351 5053 : if (pos != old_pos) {
352 : /* save an offset to the counter - should be last byte */
353 23 : *csa_counter_off = pos - start - 1;
354 23 : pos = hostapd_eid_secondary_channel(hapd, pos);
355 : }
356 :
357 5053 : return pos;
358 : }
359 :
360 :
361 2311 : static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
362 : struct sta_info *sta,
363 : const struct ieee80211_mgmt *req,
364 : int is_p2p, size_t *resp_len)
365 : {
366 : struct ieee80211_mgmt *resp;
367 : u8 *pos, *epos;
368 : size_t buflen;
369 :
370 : #define MAX_PROBERESP_LEN 768
371 2311 : buflen = MAX_PROBERESP_LEN;
372 : #ifdef CONFIG_WPS
373 2311 : if (hapd->wps_probe_resp_ie)
374 633 : buflen += wpabuf_len(hapd->wps_probe_resp_ie);
375 : #endif /* CONFIG_WPS */
376 : #ifdef CONFIG_P2P
377 363 : if (hapd->p2p_probe_resp_ie)
378 339 : buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
379 : #endif /* CONFIG_P2P */
380 2311 : if (hapd->conf->vendor_elements)
381 1 : buflen += wpabuf_len(hapd->conf->vendor_elements);
382 2311 : if (hapd->conf->vendor_vht) {
383 2 : buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
384 : 2 + sizeof(struct ieee80211_vht_operation);
385 : }
386 2311 : resp = os_zalloc(buflen);
387 2311 : if (resp == NULL)
388 0 : return NULL;
389 :
390 2311 : epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
391 :
392 2311 : resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
393 : WLAN_FC_STYPE_PROBE_RESP);
394 2311 : if (req)
395 2311 : os_memcpy(resp->da, req->sa, ETH_ALEN);
396 2311 : os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
397 :
398 2311 : os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
399 2311 : resp->u.probe_resp.beacon_int =
400 2311 : host_to_le16(hapd->iconf->beacon_int);
401 :
402 : /* hardware or low-level driver will setup seq_ctrl and timestamp */
403 2311 : resp->u.probe_resp.capab_info =
404 2311 : host_to_le16(hostapd_own_capab_info(hapd, sta, 1));
405 :
406 2311 : pos = resp->u.probe_resp.variable;
407 2311 : *pos++ = WLAN_EID_SSID;
408 2311 : *pos++ = hapd->conf->ssid.ssid_len;
409 2311 : os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len);
410 2311 : pos += hapd->conf->ssid.ssid_len;
411 :
412 : /* Supported rates */
413 2311 : pos = hostapd_eid_supp_rates(hapd, pos);
414 :
415 : /* DS Params */
416 2311 : pos = hostapd_eid_ds_params(hapd, pos);
417 :
418 2311 : pos = hostapd_eid_country(hapd, pos, epos - pos);
419 :
420 : /* Power Constraint element */
421 2311 : pos = hostapd_eid_pwr_constraint(hapd, pos);
422 :
423 : /* ERP Information element */
424 2311 : pos = hostapd_eid_erp_info(hapd, pos);
425 :
426 : /* Extended supported rates */
427 2311 : pos = hostapd_eid_ext_supp_rates(hapd, pos);
428 :
429 : /* RSN, MDIE, WPA */
430 2311 : pos = hostapd_eid_wpa(hapd, pos, epos - pos);
431 :
432 2311 : pos = hostapd_eid_bss_load(hapd, pos, epos - pos);
433 :
434 2311 : pos = hostapd_eid_rm_enabled_capab(hapd, pos, epos - pos);
435 :
436 : #ifdef CONFIG_IEEE80211N
437 2311 : pos = hostapd_eid_ht_capabilities(hapd, pos);
438 2311 : pos = hostapd_eid_ht_operation(hapd, pos);
439 : #endif /* CONFIG_IEEE80211N */
440 :
441 2311 : pos = hostapd_eid_ext_capab(hapd, pos);
442 :
443 2311 : pos = hostapd_eid_time_adv(hapd, pos);
444 2311 : pos = hostapd_eid_time_zone(hapd, pos);
445 :
446 2311 : pos = hostapd_eid_interworking(hapd, pos);
447 2311 : pos = hostapd_eid_adv_proto(hapd, pos);
448 2311 : pos = hostapd_eid_roaming_consortium(hapd, pos);
449 :
450 2311 : pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
451 : &hapd->cs_c_off_proberesp);
452 : #ifdef CONFIG_IEEE80211AC
453 1948 : if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
454 13 : pos = hostapd_eid_vht_capabilities(hapd, pos);
455 13 : pos = hostapd_eid_vht_operation(hapd, pos);
456 : }
457 1948 : if (hapd->conf->vendor_vht)
458 2 : pos = hostapd_eid_vendor_vht(hapd, pos);
459 : #endif /* CONFIG_IEEE80211AC */
460 :
461 : /* Wi-Fi Alliance WMM */
462 2311 : pos = hostapd_eid_wmm(hapd, pos);
463 :
464 : #ifdef CONFIG_WPS
465 2311 : if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
466 633 : os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
467 : wpabuf_len(hapd->wps_probe_resp_ie));
468 633 : pos += wpabuf_len(hapd->wps_probe_resp_ie);
469 : }
470 : #endif /* CONFIG_WPS */
471 :
472 : #ifdef CONFIG_P2P
473 673 : if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p &&
474 310 : hapd->p2p_probe_resp_ie) {
475 310 : os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
476 : wpabuf_len(hapd->p2p_probe_resp_ie));
477 310 : pos += wpabuf_len(hapd->p2p_probe_resp_ie);
478 : }
479 : #endif /* CONFIG_P2P */
480 : #ifdef CONFIG_P2P_MANAGER
481 1948 : if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
482 : P2P_MANAGE)
483 6 : pos = hostapd_eid_p2p_manage(hapd, pos);
484 : #endif /* CONFIG_P2P_MANAGER */
485 :
486 : #ifdef CONFIG_HS20
487 2311 : pos = hostapd_eid_hs20_indication(hapd, pos);
488 2311 : pos = hostapd_eid_osen(hapd, pos);
489 : #endif /* CONFIG_HS20 */
490 :
491 2311 : if (hapd->conf->vendor_elements) {
492 1 : os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
493 : wpabuf_len(hapd->conf->vendor_elements));
494 1 : pos += wpabuf_len(hapd->conf->vendor_elements);
495 : }
496 :
497 2311 : *resp_len = pos - (u8 *) resp;
498 2311 : return (u8 *) resp;
499 : }
500 :
501 :
502 : enum ssid_match_result {
503 : NO_SSID_MATCH,
504 : EXACT_SSID_MATCH,
505 : WILDCARD_SSID_MATCH
506 : };
507 :
508 2444 : static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
509 : const u8 *ssid, size_t ssid_len,
510 : const u8 *ssid_list,
511 : size_t ssid_list_len)
512 : {
513 : const u8 *pos, *end;
514 2444 : int wildcard = 0;
515 :
516 2444 : if (ssid_len == 0)
517 1927 : wildcard = 1;
518 2870 : if (ssid_len == hapd->conf->ssid.ssid_len &&
519 426 : os_memcmp(ssid, hapd->conf->ssid.ssid, ssid_len) == 0)
520 402 : return EXACT_SSID_MATCH;
521 :
522 2042 : if (ssid_list == NULL)
523 2042 : return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
524 :
525 0 : pos = ssid_list;
526 0 : end = ssid_list + ssid_list_len;
527 0 : while (pos + 1 <= end) {
528 0 : if (pos + 2 + pos[1] > end)
529 0 : break;
530 0 : if (pos[1] == 0)
531 0 : wildcard = 1;
532 0 : if (pos[1] == hapd->conf->ssid.ssid_len &&
533 0 : os_memcmp(pos + 2, hapd->conf->ssid.ssid, pos[1]) == 0)
534 0 : return EXACT_SSID_MATCH;
535 0 : pos += 2 + pos[1];
536 : }
537 :
538 0 : return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
539 : }
540 :
541 :
542 2471 : void handle_probe_req(struct hostapd_data *hapd,
543 : const struct ieee80211_mgmt *mgmt, size_t len,
544 : int ssi_signal)
545 : {
546 : u8 *resp;
547 : struct ieee802_11_elems elems;
548 : const u8 *ie;
549 : size_t ie_len;
550 2471 : struct sta_info *sta = NULL;
551 : size_t i, resp_len;
552 : int noack;
553 : enum ssid_match_result res;
554 :
555 2471 : ie = mgmt->u.probe_req.variable;
556 2471 : if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
557 160 : return;
558 2471 : ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
559 :
560 3504 : for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
561 2066 : if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
562 1033 : mgmt->sa, mgmt->da, mgmt->bssid,
563 : ie, ie_len, ssi_signal) > 0)
564 0 : return;
565 :
566 2471 : if (!hapd->iconf->send_probe_response)
567 0 : return;
568 :
569 2471 : if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
570 0 : wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR,
571 0 : MAC2STR(mgmt->sa));
572 0 : return;
573 : }
574 :
575 2471 : if ((!elems.ssid || !elems.supp_rates)) {
576 0 : wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request "
577 : "without SSID or supported rates element",
578 0 : MAC2STR(mgmt->sa));
579 0 : return;
580 : }
581 :
582 : #ifdef CONFIG_P2P
583 378 : if (hapd->p2p && elems.wps_ie) {
584 : struct wpabuf *wps;
585 343 : wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
586 343 : if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) {
587 3 : wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
588 : "due to mismatch with Requested Device "
589 : "Type");
590 3 : wpabuf_free(wps);
591 3 : return;
592 : }
593 340 : wpabuf_free(wps);
594 : }
595 :
596 375 : if (hapd->p2p && elems.p2p) {
597 : struct wpabuf *p2p;
598 338 : p2p = ieee802_11_vendor_ie_concat(ie, ie_len, P2P_IE_VENDOR_TYPE);
599 338 : if (p2p && !p2p_group_match_dev_id(hapd->p2p_group, p2p)) {
600 3 : wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
601 : "due to mismatch with Device ID");
602 3 : wpabuf_free(p2p);
603 3 : return;
604 : }
605 335 : wpabuf_free(p2p);
606 : }
607 : #endif /* CONFIG_P2P */
608 :
609 2486 : if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0 &&
610 21 : elems.ssid_list_len == 0) {
611 126 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for "
612 126 : "broadcast SSID ignored", MAC2STR(mgmt->sa));
613 21 : return;
614 : }
615 :
616 2444 : sta = ap_get_sta(hapd, mgmt->sa);
617 :
618 : #ifdef CONFIG_P2P
619 720 : if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
620 464 : elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
621 116 : os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
622 : P2P_WILDCARD_SSID_LEN) == 0) {
623 : /* Process P2P Wildcard SSID like Wildcard SSID */
624 116 : elems.ssid_len = 0;
625 : }
626 : #endif /* CONFIG_P2P */
627 :
628 2444 : res = ssid_match(hapd, elems.ssid, elems.ssid_len,
629 2444 : elems.ssid_list, elems.ssid_list_len);
630 2444 : if (res != NO_SSID_MATCH) {
631 2329 : if (sta)
632 274 : sta->ssid_probe = &hapd->conf->ssid;
633 : } else {
634 115 : if (!(mgmt->da[0] & 0x01)) {
635 0 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
636 : " for foreign SSID '%s' (DA " MACSTR ")%s",
637 0 : MAC2STR(mgmt->sa),
638 0 : wpa_ssid_txt(elems.ssid, elems.ssid_len),
639 0 : MAC2STR(mgmt->da),
640 0 : elems.ssid_list ? " (SSID list)" : "");
641 : }
642 115 : return;
643 : }
644 :
645 : #ifdef CONFIG_INTERWORKING
646 2641 : if (hapd->conf->interworking &&
647 590 : elems.interworking && elems.interworking_len >= 1) {
648 278 : u8 ant = elems.interworking[0] & 0x0f;
649 288 : if (ant != INTERWORKING_ANT_WILDCARD &&
650 10 : ant != hapd->conf->access_network_type) {
651 35 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
652 : " for mismatching ANT %u ignored",
653 30 : MAC2STR(mgmt->sa), ant);
654 5 : return;
655 : }
656 : }
657 :
658 2597 : if (hapd->conf->interworking && elems.interworking &&
659 541 : (elems.interworking_len == 7 || elems.interworking_len == 9)) {
660 : const u8 *hessid;
661 5 : if (elems.interworking_len == 7)
662 5 : hessid = elems.interworking + 1;
663 : else
664 0 : hessid = elems.interworking + 1 + 2;
665 10 : if (!is_broadcast_ether_addr(hessid) &&
666 5 : os_memcmp(hessid, hapd->conf->hessid, ETH_ALEN) != 0) {
667 36 : wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
668 : " for mismatching HESSID " MACSTR
669 : " ignored",
670 36 : MAC2STR(mgmt->sa), MAC2STR(hessid));
671 3 : return;
672 : }
673 : }
674 : #endif /* CONFIG_INTERWORKING */
675 :
676 : #ifdef CONFIG_P2P
677 702 : if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
678 339 : supp_rates_11b_only(&elems)) {
679 : /* Indicates support for 11b rates only */
680 0 : wpa_printf(MSG_EXCESSIVE, "P2P: Ignore Probe Request from "
681 : MACSTR " with only 802.11b rates",
682 0 : MAC2STR(mgmt->sa));
683 0 : return;
684 : }
685 : #endif /* CONFIG_P2P */
686 :
687 : /* TODO: verify that supp_rates contains at least one matching rate
688 : * with AP configuration */
689 :
690 : #ifdef CONFIG_TESTING_OPTIONS
691 2334 : if (hapd->iconf->ignore_probe_probability > 0.0 &&
692 13 : drand48() < hapd->iconf->ignore_probe_probability) {
693 60 : wpa_printf(MSG_INFO,
694 : "TESTING: ignoring probe request from " MACSTR,
695 60 : MAC2STR(mgmt->sa));
696 10 : return;
697 : }
698 : #endif /* CONFIG_TESTING_OPTIONS */
699 :
700 2311 : resp = hostapd_gen_probe_resp(hapd, sta, mgmt, elems.p2p != NULL,
701 : &resp_len);
702 2311 : if (resp == NULL)
703 0 : return;
704 :
705 : /*
706 : * If this is a broadcast probe request, apply no ack policy to avoid
707 : * excessive retries.
708 : */
709 4227 : noack = !!(res == WILDCARD_SSID_MATCH &&
710 1916 : is_broadcast_ether_addr(mgmt->da));
711 :
712 2311 : if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack) < 0)
713 4 : wpa_printf(MSG_INFO, "handle_probe_req: send failed");
714 :
715 2311 : os_free(resp);
716 :
717 16177 : wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s "
718 13866 : "SSID", MAC2STR(mgmt->sa),
719 2311 : elems.ssid_len == 0 ? "broadcast" : "our");
720 : }
721 :
722 :
723 2742 : static u8 * hostapd_probe_resp_offloads(struct hostapd_data *hapd,
724 : size_t *resp_len)
725 : {
726 : /* check probe response offloading caps and print warnings */
727 2742 : if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD))
728 2742 : return NULL;
729 :
730 : #ifdef CONFIG_WPS
731 0 : if (hapd->conf->wps_state && hapd->wps_probe_resp_ie &&
732 0 : (!(hapd->iface->probe_resp_offloads &
733 : (WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS |
734 : WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2))))
735 0 : wpa_printf(MSG_WARNING, "Device is trying to offload WPS "
736 : "Probe Response while not supporting this");
737 : #endif /* CONFIG_WPS */
738 :
739 : #ifdef CONFIG_P2P
740 0 : if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_probe_resp_ie &&
741 0 : !(hapd->iface->probe_resp_offloads &
742 : WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P))
743 0 : wpa_printf(MSG_WARNING, "Device is trying to offload P2P "
744 : "Probe Response while not supporting this");
745 : #endif /* CONFIG_P2P */
746 :
747 0 : if (hapd->conf->interworking &&
748 0 : !(hapd->iface->probe_resp_offloads &
749 : WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING))
750 0 : wpa_printf(MSG_WARNING, "Device is trying to offload "
751 : "Interworking Probe Response while not supporting "
752 : "this");
753 :
754 : /* Generate a Probe Response template for the non-P2P case */
755 0 : return hostapd_gen_probe_resp(hapd, NULL, NULL, 0, resp_len);
756 : }
757 :
758 : #endif /* NEED_AP_MLME */
759 :
760 :
761 2744 : int ieee802_11_build_ap_params(struct hostapd_data *hapd,
762 : struct wpa_driver_ap_params *params)
763 : {
764 2744 : struct ieee80211_mgmt *head = NULL;
765 2744 : u8 *tail = NULL;
766 2744 : size_t head_len = 0, tail_len = 0;
767 2744 : u8 *resp = NULL;
768 2744 : size_t resp_len = 0;
769 : #ifdef NEED_AP_MLME
770 : u16 capab_info;
771 : u8 *pos, *tailpos;
772 :
773 : #define BEACON_HEAD_BUF_SIZE 256
774 : #define BEACON_TAIL_BUF_SIZE 512
775 2744 : head = os_zalloc(BEACON_HEAD_BUF_SIZE);
776 2744 : tail_len = BEACON_TAIL_BUF_SIZE;
777 : #ifdef CONFIG_WPS
778 2744 : if (hapd->conf->wps_state && hapd->wps_beacon_ie)
779 1698 : tail_len += wpabuf_len(hapd->wps_beacon_ie);
780 : #endif /* CONFIG_WPS */
781 : #ifdef CONFIG_P2P
782 1402 : if (hapd->p2p_beacon_ie)
783 1376 : tail_len += wpabuf_len(hapd->p2p_beacon_ie);
784 : #endif /* CONFIG_P2P */
785 2744 : if (hapd->conf->vendor_elements)
786 1 : tail_len += wpabuf_len(hapd->conf->vendor_elements);
787 :
788 : #ifdef CONFIG_IEEE80211AC
789 1342 : if (hapd->conf->vendor_vht) {
790 1 : tail_len += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
791 : 2 + sizeof(struct ieee80211_vht_operation);
792 : }
793 : #endif /* CONFIG_IEEE80211AC */
794 :
795 2744 : tailpos = tail = os_malloc(tail_len);
796 2744 : if (head == NULL || tail == NULL) {
797 2 : wpa_printf(MSG_ERROR, "Failed to set beacon data");
798 2 : os_free(head);
799 2 : os_free(tail);
800 2 : return -1;
801 : }
802 :
803 2742 : head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
804 : WLAN_FC_STYPE_BEACON);
805 2742 : head->duration = host_to_le16(0);
806 2742 : os_memset(head->da, 0xff, ETH_ALEN);
807 :
808 2742 : os_memcpy(head->sa, hapd->own_addr, ETH_ALEN);
809 2742 : os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN);
810 2742 : head->u.beacon.beacon_int =
811 2742 : host_to_le16(hapd->iconf->beacon_int);
812 :
813 : /* hardware or low-level driver will setup seq_ctrl and timestamp */
814 2742 : capab_info = hostapd_own_capab_info(hapd, NULL, 0);
815 2742 : head->u.beacon.capab_info = host_to_le16(capab_info);
816 2742 : pos = &head->u.beacon.variable[0];
817 :
818 : /* SSID */
819 2742 : *pos++ = WLAN_EID_SSID;
820 2742 : if (hapd->conf->ignore_broadcast_ssid == 2) {
821 : /* clear the data, but keep the correct length of the SSID */
822 1 : *pos++ = hapd->conf->ssid.ssid_len;
823 1 : os_memset(pos, 0, hapd->conf->ssid.ssid_len);
824 1 : pos += hapd->conf->ssid.ssid_len;
825 2741 : } else if (hapd->conf->ignore_broadcast_ssid) {
826 8 : *pos++ = 0; /* empty SSID */
827 : } else {
828 2733 : *pos++ = hapd->conf->ssid.ssid_len;
829 2733 : os_memcpy(pos, hapd->conf->ssid.ssid,
830 : hapd->conf->ssid.ssid_len);
831 2733 : pos += hapd->conf->ssid.ssid_len;
832 : }
833 :
834 : /* Supported rates */
835 2742 : pos = hostapd_eid_supp_rates(hapd, pos);
836 :
837 : /* DS Params */
838 2742 : pos = hostapd_eid_ds_params(hapd, pos);
839 :
840 2742 : head_len = pos - (u8 *) head;
841 :
842 2742 : tailpos = hostapd_eid_country(hapd, tailpos,
843 2742 : tail + BEACON_TAIL_BUF_SIZE - tailpos);
844 :
845 : /* Power Constraint element */
846 2742 : tailpos = hostapd_eid_pwr_constraint(hapd, tailpos);
847 :
848 : /* ERP Information element */
849 2742 : tailpos = hostapd_eid_erp_info(hapd, tailpos);
850 :
851 : /* Extended supported rates */
852 2742 : tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos);
853 :
854 : /* RSN, MDIE, WPA */
855 2742 : tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE -
856 : tailpos);
857 :
858 2742 : tailpos = hostapd_eid_rm_enabled_capab(hapd, tailpos,
859 2742 : tail + BEACON_TAIL_BUF_SIZE -
860 : tailpos);
861 :
862 2742 : tailpos = hostapd_eid_bss_load(hapd, tailpos,
863 2742 : tail + BEACON_TAIL_BUF_SIZE - tailpos);
864 :
865 : #ifdef CONFIG_IEEE80211N
866 2742 : tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
867 2742 : tailpos = hostapd_eid_ht_operation(hapd, tailpos);
868 : #endif /* CONFIG_IEEE80211N */
869 :
870 2742 : tailpos = hostapd_eid_ext_capab(hapd, tailpos);
871 :
872 : /*
873 : * TODO: Time Advertisement element should only be included in some
874 : * DTIM Beacon frames.
875 : */
876 2742 : tailpos = hostapd_eid_time_adv(hapd, tailpos);
877 :
878 2742 : tailpos = hostapd_eid_interworking(hapd, tailpos);
879 2742 : tailpos = hostapd_eid_adv_proto(hapd, tailpos);
880 2742 : tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
881 2742 : tailpos = hostapd_add_csa_elems(hapd, tailpos, tail,
882 : &hapd->cs_c_off_beacon);
883 : #ifdef CONFIG_IEEE80211AC
884 1340 : if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
885 16 : tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
886 16 : tailpos = hostapd_eid_vht_operation(hapd, tailpos);
887 : }
888 1340 : if (hapd->conf->vendor_vht)
889 1 : tailpos = hostapd_eid_vendor_vht(hapd, tailpos);
890 : #endif /* CONFIG_IEEE80211AC */
891 :
892 : /* Wi-Fi Alliance WMM */
893 2742 : tailpos = hostapd_eid_wmm(hapd, tailpos);
894 :
895 : #ifdef CONFIG_WPS
896 2742 : if (hapd->conf->wps_state && hapd->wps_beacon_ie) {
897 1698 : os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie),
898 : wpabuf_len(hapd->wps_beacon_ie));
899 1698 : tailpos += wpabuf_len(hapd->wps_beacon_ie);
900 : }
901 : #endif /* CONFIG_WPS */
902 :
903 : #ifdef CONFIG_P2P
904 1402 : if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) {
905 1376 : os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie),
906 : wpabuf_len(hapd->p2p_beacon_ie));
907 1376 : tailpos += wpabuf_len(hapd->p2p_beacon_ie);
908 : }
909 : #endif /* CONFIG_P2P */
910 : #ifdef CONFIG_P2P_MANAGER
911 1340 : if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
912 : P2P_MANAGE)
913 5 : tailpos = hostapd_eid_p2p_manage(hapd, tailpos);
914 : #endif /* CONFIG_P2P_MANAGER */
915 :
916 : #ifdef CONFIG_HS20
917 2742 : tailpos = hostapd_eid_hs20_indication(hapd, tailpos);
918 2742 : tailpos = hostapd_eid_osen(hapd, tailpos);
919 : #endif /* CONFIG_HS20 */
920 :
921 2742 : if (hapd->conf->vendor_elements) {
922 1 : os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),
923 : wpabuf_len(hapd->conf->vendor_elements));
924 1 : tailpos += wpabuf_len(hapd->conf->vendor_elements);
925 : }
926 :
927 2742 : tail_len = tailpos > tail ? tailpos - tail : 0;
928 :
929 2742 : resp = hostapd_probe_resp_offloads(hapd, &resp_len);
930 : #endif /* NEED_AP_MLME */
931 :
932 2742 : os_memset(params, 0, sizeof(*params));
933 2742 : params->head = (u8 *) head;
934 2742 : params->head_len = head_len;
935 2742 : params->tail = tail;
936 2742 : params->tail_len = tail_len;
937 2742 : params->proberesp = resp;
938 2742 : params->proberesp_len = resp_len;
939 2742 : params->dtim_period = hapd->conf->dtim_period;
940 2742 : params->beacon_int = hapd->iconf->beacon_int;
941 2742 : params->basic_rates = hapd->iface->basic_rates;
942 2742 : params->ssid = hapd->conf->ssid.ssid;
943 2742 : params->ssid_len = hapd->conf->ssid.ssid_len;
944 5484 : params->pairwise_ciphers = hapd->conf->wpa_pairwise |
945 2742 : hapd->conf->rsn_pairwise;
946 2742 : params->group_cipher = hapd->conf->wpa_group;
947 2742 : params->key_mgmt_suites = hapd->conf->wpa_key_mgmt;
948 2742 : params->auth_algs = hapd->conf->auth_algs;
949 2742 : params->wpa_version = hapd->conf->wpa;
950 5486 : params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa ||
951 459 : (hapd->conf->ieee802_1x &&
952 8 : (hapd->conf->default_wep_key_len ||
953 3 : hapd->conf->individual_wep_key_len));
954 2742 : switch (hapd->conf->ignore_broadcast_ssid) {
955 : case 0:
956 2733 : params->hide_ssid = NO_SSID_HIDING;
957 2733 : break;
958 : case 1:
959 8 : params->hide_ssid = HIDDEN_SSID_ZERO_LEN;
960 8 : break;
961 : case 2:
962 1 : params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS;
963 1 : break;
964 : }
965 2742 : params->isolate = hapd->conf->isolate;
966 2742 : params->smps_mode = hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_MASK;
967 : #ifdef NEED_AP_MLME
968 2742 : params->cts_protect = !!(ieee802_11_erp_info(hapd) &
969 : ERP_INFO_USE_PROTECTION);
970 5442 : params->preamble = hapd->iface->num_sta_no_short_preamble == 0 &&
971 2700 : hapd->iconf->preamble == SHORT_PREAMBLE;
972 5474 : if (hapd->iface->current_mode &&
973 2732 : hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
974 2616 : params->short_slot_time =
975 2616 : hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1;
976 : else
977 126 : params->short_slot_time = -1;
978 2742 : if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
979 125 : params->ht_opmode = -1;
980 : else
981 2617 : params->ht_opmode = hapd->iface->ht_op_mode;
982 : #endif /* NEED_AP_MLME */
983 2742 : params->interworking = hapd->conf->interworking;
984 2861 : if (hapd->conf->interworking &&
985 119 : !is_zero_ether_addr(hapd->conf->hessid))
986 54 : params->hessid = hapd->conf->hessid;
987 2742 : params->access_network_type = hapd->conf->access_network_type;
988 2742 : params->ap_max_inactivity = hapd->conf->ap_max_inactivity;
989 : #ifdef CONFIG_HS20
990 2742 : params->disable_dgaf = hapd->conf->disable_dgaf;
991 2742 : if (hapd->conf->osen) {
992 1 : params->privacy = 1;
993 1 : params->osen = 1;
994 : }
995 : #endif /* CONFIG_HS20 */
996 2742 : return 0;
997 : }
998 :
999 :
1000 2742 : void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params)
1001 : {
1002 2742 : os_free(params->tail);
1003 2742 : params->tail = NULL;
1004 2742 : os_free(params->head);
1005 2742 : params->head = NULL;
1006 2742 : os_free(params->proberesp);
1007 2742 : params->proberesp = NULL;
1008 2742 : }
1009 :
1010 :
1011 2698 : int ieee802_11_set_beacon(struct hostapd_data *hapd)
1012 : {
1013 : struct wpa_driver_ap_params params;
1014 : struct hostapd_freq_params freq;
1015 2698 : struct hostapd_iface *iface = hapd->iface;
1016 2698 : struct hostapd_config *iconf = iface->conf;
1017 : struct wpabuf *beacon, *proberesp, *assocresp;
1018 2698 : int res, ret = -1;
1019 :
1020 2698 : if (hapd->csa_in_progress) {
1021 0 : wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
1022 0 : return -1;
1023 : }
1024 :
1025 2698 : hapd->beacon_set_done = 1;
1026 :
1027 2698 : if (ieee802_11_build_ap_params(hapd, ¶ms) < 0)
1028 2 : return -1;
1029 :
1030 2696 : if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
1031 : 0)
1032 0 : goto fail;
1033 :
1034 2696 : params.beacon_ies = beacon;
1035 2696 : params.proberesp_ies = proberesp;
1036 2696 : params.assocresp_ies = assocresp;
1037 :
1038 5382 : if (iface->current_mode &&
1039 13430 : hostapd_set_freq_params(&freq, iconf->hw_mode, iface->freq,
1040 2686 : iconf->channel, iconf->ieee80211n,
1041 : iconf->ieee80211ac,
1042 : iconf->secondary_channel,
1043 2686 : iconf->vht_oper_chwidth,
1044 2686 : iconf->vht_oper_centr_freq_seg0_idx,
1045 2686 : iconf->vht_oper_centr_freq_seg1_idx,
1046 2686 : iface->current_mode->vht_capab) == 0)
1047 2686 : params.freq = &freq;
1048 :
1049 2696 : res = hostapd_drv_set_ap(hapd, ¶ms);
1050 2696 : hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
1051 2696 : if (res)
1052 1 : wpa_printf(MSG_ERROR, "Failed to set beacon parameters");
1053 : else
1054 2695 : ret = 0;
1055 : fail:
1056 2696 : ieee802_11_free_ap_params(¶ms);
1057 2696 : return ret;
1058 : }
1059 :
1060 :
1061 764 : int ieee802_11_set_beacons(struct hostapd_iface *iface)
1062 : {
1063 : size_t i;
1064 764 : int ret = 0;
1065 :
1066 1532 : for (i = 0; i < iface->num_bss; i++) {
1067 1536 : if (iface->bss[i]->started &&
1068 768 : ieee802_11_set_beacon(iface->bss[i]) < 0)
1069 0 : ret = -1;
1070 : }
1071 :
1072 764 : return ret;
1073 : }
1074 :
1075 :
1076 : /* only update beacons if started */
1077 3 : int ieee802_11_update_beacons(struct hostapd_iface *iface)
1078 : {
1079 : size_t i;
1080 3 : int ret = 0;
1081 :
1082 6 : for (i = 0; i < iface->num_bss; i++) {
1083 6 : if (iface->bss[i]->beacon_set_done && iface->bss[i]->started &&
1084 3 : ieee802_11_set_beacon(iface->bss[i]) < 0)
1085 0 : ret = -1;
1086 : }
1087 :
1088 3 : return ret;
1089 : }
1090 :
1091 : #endif /* CONFIG_NATIVE_WINDOWS */
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