1 /*
2 * hostapd / IEEE 802.11 Management
3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "common/ieee802_11_defs.h"
13 #include "hostapd.h"
14 #include "sta_info.h"
15 #include "ap_config.h"
16 #include "ap_drv_ops.h"
17 #include "ieee802_11.h"
18
19
20 #ifdef CONFIG_IEEE80211W
21
hostapd_eid_assoc_comeback_time(struct hostapd_data * hapd,struct sta_info * sta,u8 * eid)22 u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
23 struct sta_info *sta, u8 *eid)
24 {
25 u8 *pos = eid;
26 u32 timeout, tu;
27 struct os_reltime now, passed;
28
29 *pos++ = WLAN_EID_TIMEOUT_INTERVAL;
30 *pos++ = 5;
31 *pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK;
32 os_get_reltime(&now);
33 os_reltime_sub(&now, &sta->sa_query_start, &passed);
34 tu = (passed.sec * 1000000 + passed.usec) / 1024;
35 if (hapd->conf->assoc_sa_query_max_timeout > tu)
36 timeout = hapd->conf->assoc_sa_query_max_timeout - tu;
37 else
38 timeout = 0;
39 if (timeout < hapd->conf->assoc_sa_query_max_timeout)
40 timeout++; /* add some extra time for local timers */
41 WPA_PUT_LE32(pos, timeout);
42 pos += 4;
43
44 return pos;
45 }
46
47
48 /* MLME-SAQuery.request */
ieee802_11_send_sa_query_req(struct hostapd_data * hapd,const u8 * addr,const u8 * trans_id)49 void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
50 const u8 *addr, const u8 *trans_id)
51 {
52 struct ieee80211_mgmt mgmt;
53 u8 *end;
54
55 wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Request to "
56 MACSTR, MAC2STR(addr));
57 wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
58 trans_id, WLAN_SA_QUERY_TR_ID_LEN);
59
60 os_memset(&mgmt, 0, sizeof(mgmt));
61 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
62 WLAN_FC_STYPE_ACTION);
63 os_memcpy(mgmt.da, addr, ETH_ALEN);
64 os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
65 os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
66 mgmt.u.action.category = WLAN_ACTION_SA_QUERY;
67 mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST;
68 os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id,
69 WLAN_SA_QUERY_TR_ID_LEN);
70 end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
71 if (hostapd_drv_send_mlme(hapd, &mgmt, end - (u8 *) &mgmt, 0) < 0)
72 wpa_printf(MSG_INFO, "ieee802_11_send_sa_query_req: send failed");
73 }
74
75
ieee802_11_send_sa_query_resp(struct hostapd_data * hapd,const u8 * sa,const u8 * trans_id)76 static void ieee802_11_send_sa_query_resp(struct hostapd_data *hapd,
77 const u8 *sa, const u8 *trans_id)
78 {
79 struct sta_info *sta;
80 struct ieee80211_mgmt resp;
81 u8 *end;
82
83 wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Request from "
84 MACSTR, MAC2STR(sa));
85 wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
86 trans_id, WLAN_SA_QUERY_TR_ID_LEN);
87
88 sta = ap_get_sta(hapd, sa);
89 if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
90 wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignore SA Query Request "
91 "from unassociated STA " MACSTR, MAC2STR(sa));
92 return;
93 }
94
95 wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Response to "
96 MACSTR, MAC2STR(sa));
97
98 os_memset(&resp, 0, sizeof(resp));
99 resp.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
100 WLAN_FC_STYPE_ACTION);
101 os_memcpy(resp.da, sa, ETH_ALEN);
102 os_memcpy(resp.sa, hapd->own_addr, ETH_ALEN);
103 os_memcpy(resp.bssid, hapd->own_addr, ETH_ALEN);
104 resp.u.action.category = WLAN_ACTION_SA_QUERY;
105 resp.u.action.u.sa_query_req.action = WLAN_SA_QUERY_RESPONSE;
106 os_memcpy(resp.u.action.u.sa_query_req.trans_id, trans_id,
107 WLAN_SA_QUERY_TR_ID_LEN);
108 end = resp.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
109 if (hostapd_drv_send_mlme(hapd, &resp, end - (u8 *) &resp, 0) < 0)
110 wpa_printf(MSG_INFO, "ieee80211_mgmt_sa_query_request: send failed");
111 }
112
113
ieee802_11_sa_query_action(struct hostapd_data * hapd,const u8 * sa,const u8 action_type,const u8 * trans_id)114 void ieee802_11_sa_query_action(struct hostapd_data *hapd, const u8 *sa,
115 const u8 action_type, const u8 *trans_id)
116 {
117 struct sta_info *sta;
118 int i;
119
120 if (action_type == WLAN_SA_QUERY_REQUEST) {
121 ieee802_11_send_sa_query_resp(hapd, sa, trans_id);
122 return;
123 }
124
125 if (action_type != WLAN_SA_QUERY_RESPONSE) {
126 wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query "
127 "Action %d", action_type);
128 return;
129 }
130
131 wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Response from "
132 MACSTR, MAC2STR(sa));
133 wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
134 trans_id, WLAN_SA_QUERY_TR_ID_LEN);
135
136 /* MLME-SAQuery.confirm */
137
138 sta = ap_get_sta(hapd, sa);
139 if (sta == NULL || sta->sa_query_trans_id == NULL) {
140 wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with "
141 "pending SA Query request found");
142 return;
143 }
144
145 for (i = 0; i < sta->sa_query_count; i++) {
146 if (os_memcmp(sta->sa_query_trans_id +
147 i * WLAN_SA_QUERY_TR_ID_LEN,
148 trans_id, WLAN_SA_QUERY_TR_ID_LEN) == 0)
149 break;
150 }
151
152 if (i >= sta->sa_query_count) {
153 wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query "
154 "transaction identifier found");
155 return;
156 }
157
158 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
159 HOSTAPD_LEVEL_DEBUG,
160 "Reply to pending SA Query received");
161 ap_sta_stop_sa_query(hapd, sta);
162 }
163
164 #endif /* CONFIG_IEEE80211W */
165
166
hostapd_ext_capab_byte(struct hostapd_data * hapd,u8 * pos,int idx)167 static void hostapd_ext_capab_byte(struct hostapd_data *hapd, u8 *pos, int idx)
168 {
169 *pos = 0x00;
170
171 switch (idx) {
172 case 0: /* Bits 0-7 */
173 if (hapd->iconf->obss_interval)
174 *pos |= 0x01; /* Bit 0 - Coexistence management */
175 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)
176 *pos |= 0x04; /* Bit 2 - Extended Channel Switching */
177 break;
178 case 1: /* Bits 8-15 */
179 if (hapd->conf->proxy_arp)
180 *pos |= 0x10; /* Bit 12 - Proxy ARP */
181 break;
182 case 2: /* Bits 16-23 */
183 if (hapd->conf->wnm_sleep_mode)
184 *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */
185 if (hapd->conf->bss_transition)
186 *pos |= 0x08; /* Bit 19 - BSS Transition */
187 break;
188 case 3: /* Bits 24-31 */
189 #ifdef CONFIG_WNM_AP
190 *pos |= 0x02; /* Bit 25 - SSID List */
191 #endif /* CONFIG_WNM_AP */
192 if (hapd->conf->time_advertisement == 2)
193 *pos |= 0x08; /* Bit 27 - UTC TSF Offset */
194 if (hapd->conf->interworking)
195 *pos |= 0x80; /* Bit 31 - Interworking */
196 break;
197 case 4: /* Bits 32-39 */
198 if (hapd->conf->qos_map_set_len)
199 *pos |= 0x01; /* Bit 32 - QoS Map */
200 if (hapd->conf->tdls & TDLS_PROHIBIT)
201 *pos |= 0x40; /* Bit 38 - TDLS Prohibited */
202 if (hapd->conf->tdls & TDLS_PROHIBIT_CHAN_SWITCH) {
203 /* Bit 39 - TDLS Channel Switching Prohibited */
204 *pos |= 0x80;
205 }
206 break;
207 case 5: /* Bits 40-47 */
208 #ifdef CONFIG_HS20
209 if (hapd->conf->hs20)
210 *pos |= 0x40; /* Bit 46 - WNM-Notification */
211 #endif /* CONFIG_HS20 */
212 #ifdef CONFIG_MBO
213 if (hapd->conf->mbo_enabled)
214 *pos |= 0x40; /* Bit 46 - WNM-Notification */
215 #endif /* CONFIG_MBO */
216 break;
217 case 6: /* Bits 48-55 */
218 if (hapd->conf->ssid.utf8_ssid)
219 *pos |= 0x01; /* Bit 48 - UTF-8 SSID */
220 break;
221 case 7: /* Bits 56-63 */
222 break;
223 case 8: /* Bits 64-71 */
224 if (hapd->conf->ftm_responder)
225 *pos |= 0x40; /* Bit 70 - FTM responder */
226 if (hapd->conf->ftm_initiator)
227 *pos |= 0x80; /* Bit 71 - FTM initiator */
228 case 9: /* Bits 72-79 */
229 #ifdef CONFIG_FILS
230 if ((hapd->conf->wpa & WPA_PROTO_RSN) &&
231 wpa_key_mgmt_fils(hapd->conf->wpa_key_mgmt))
232 *pos |= 0x01;
233 #endif /* CONFIG_FILS */
234 break;
235 }
236 }
237
238
hostapd_eid_ext_capab(struct hostapd_data * hapd,u8 * eid)239 u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid)
240 {
241 u8 *pos = eid;
242 u8 len = 0, i;
243
244 if (hapd->conf->tdls & (TDLS_PROHIBIT | TDLS_PROHIBIT_CHAN_SWITCH))
245 len = 5;
246 if (len < 4 && hapd->conf->interworking)
247 len = 4;
248 if (len < 3 && hapd->conf->wnm_sleep_mode)
249 len = 3;
250 if (len < 1 && hapd->iconf->obss_interval)
251 len = 1;
252 if (len < 7 && hapd->conf->ssid.utf8_ssid)
253 len = 7;
254 if (len < 9 &&
255 (hapd->conf->ftm_initiator || hapd->conf->ftm_responder))
256 len = 9;
257 #ifdef CONFIG_WNM_AP
258 if (len < 4)
259 len = 4;
260 #endif /* CONFIG_WNM_AP */
261 #ifdef CONFIG_HS20
262 if (hapd->conf->hs20 && len < 6)
263 len = 6;
264 #endif /* CONFIG_HS20 */
265 #ifdef CONFIG_MBO
266 if (hapd->conf->mbo_enabled && len < 6)
267 len = 6;
268 #endif /* CONFIG_MBO */
269 #ifdef CONFIG_FILS
270 if ((!(hapd->conf->wpa & WPA_PROTO_RSN) ||
271 !wpa_key_mgmt_fils(hapd->conf->wpa_key_mgmt)) && len < 10)
272 len = 10;
273 #endif /* CONFIG_FILS */
274 if (len < hapd->iface->extended_capa_len)
275 len = hapd->iface->extended_capa_len;
276 if (len == 0)
277 return eid;
278
279 *pos++ = WLAN_EID_EXT_CAPAB;
280 *pos++ = len;
281 for (i = 0; i < len; i++, pos++) {
282 hostapd_ext_capab_byte(hapd, pos, i);
283
284 if (i < hapd->iface->extended_capa_len) {
285 *pos &= ~hapd->iface->extended_capa_mask[i];
286 *pos |= hapd->iface->extended_capa[i];
287 }
288 }
289
290 while (len > 0 && eid[1 + len] == 0) {
291 len--;
292 eid[1] = len;
293 }
294 if (len == 0)
295 return eid;
296
297 return eid + 2 + len;
298 }
299
300
hostapd_eid_qos_map_set(struct hostapd_data * hapd,u8 * eid)301 u8 * hostapd_eid_qos_map_set(struct hostapd_data *hapd, u8 *eid)
302 {
303 u8 *pos = eid;
304 u8 len = hapd->conf->qos_map_set_len;
305
306 if (!len)
307 return eid;
308
309 *pos++ = WLAN_EID_QOS_MAP_SET;
310 *pos++ = len;
311 os_memcpy(pos, hapd->conf->qos_map_set, len);
312 pos += len;
313
314 return pos;
315 }
316
317
hostapd_eid_interworking(struct hostapd_data * hapd,u8 * eid)318 u8 * hostapd_eid_interworking(struct hostapd_data *hapd, u8 *eid)
319 {
320 u8 *pos = eid;
321 #ifdef CONFIG_INTERWORKING
322 u8 *len;
323
324 if (!hapd->conf->interworking)
325 return eid;
326
327 *pos++ = WLAN_EID_INTERWORKING;
328 len = pos++;
329
330 *pos = hapd->conf->access_network_type;
331 if (hapd->conf->internet)
332 *pos |= INTERWORKING_ANO_INTERNET;
333 if (hapd->conf->asra)
334 *pos |= INTERWORKING_ANO_ASRA;
335 if (hapd->conf->esr)
336 *pos |= INTERWORKING_ANO_ESR;
337 if (hapd->conf->uesa)
338 *pos |= INTERWORKING_ANO_UESA;
339 pos++;
340
341 if (hapd->conf->venue_info_set) {
342 *pos++ = hapd->conf->venue_group;
343 *pos++ = hapd->conf->venue_type;
344 }
345
346 if (!is_zero_ether_addr(hapd->conf->hessid)) {
347 os_memcpy(pos, hapd->conf->hessid, ETH_ALEN);
348 pos += ETH_ALEN;
349 }
350
351 *len = pos - len - 1;
352 #endif /* CONFIG_INTERWORKING */
353
354 return pos;
355 }
356
357
hostapd_eid_adv_proto(struct hostapd_data * hapd,u8 * eid)358 u8 * hostapd_eid_adv_proto(struct hostapd_data *hapd, u8 *eid)
359 {
360 u8 *pos = eid;
361 #ifdef CONFIG_INTERWORKING
362
363 /* TODO: Separate configuration for ANQP? */
364 if (!hapd->conf->interworking)
365 return eid;
366
367 *pos++ = WLAN_EID_ADV_PROTO;
368 *pos++ = 2;
369 *pos++ = 0x7F; /* Query Response Length Limit | PAME-BI */
370 *pos++ = ACCESS_NETWORK_QUERY_PROTOCOL;
371 #endif /* CONFIG_INTERWORKING */
372
373 return pos;
374 }
375
376
hostapd_eid_roaming_consortium(struct hostapd_data * hapd,u8 * eid)377 u8 * hostapd_eid_roaming_consortium(struct hostapd_data *hapd, u8 *eid)
378 {
379 u8 *pos = eid;
380 #ifdef CONFIG_INTERWORKING
381 u8 *len;
382 unsigned int i, count;
383
384 if (!hapd->conf->interworking ||
385 hapd->conf->roaming_consortium == NULL ||
386 hapd->conf->roaming_consortium_count == 0)
387 return eid;
388
389 *pos++ = WLAN_EID_ROAMING_CONSORTIUM;
390 len = pos++;
391
392 /* Number of ANQP OIs (in addition to the max 3 listed here) */
393 if (hapd->conf->roaming_consortium_count > 3 + 255)
394 *pos++ = 255;
395 else if (hapd->conf->roaming_consortium_count > 3)
396 *pos++ = hapd->conf->roaming_consortium_count - 3;
397 else
398 *pos++ = 0;
399
400 /* OU #1 and #2 Lengths */
401 *pos = hapd->conf->roaming_consortium[0].len;
402 if (hapd->conf->roaming_consortium_count > 1)
403 *pos |= hapd->conf->roaming_consortium[1].len << 4;
404 pos++;
405
406 if (hapd->conf->roaming_consortium_count > 3)
407 count = 3;
408 else
409 count = hapd->conf->roaming_consortium_count;
410
411 for (i = 0; i < count; i++) {
412 os_memcpy(pos, hapd->conf->roaming_consortium[i].oi,
413 hapd->conf->roaming_consortium[i].len);
414 pos += hapd->conf->roaming_consortium[i].len;
415 }
416
417 *len = pos - len - 1;
418 #endif /* CONFIG_INTERWORKING */
419
420 return pos;
421 }
422
423
hostapd_eid_time_adv(struct hostapd_data * hapd,u8 * eid)424 u8 * hostapd_eid_time_adv(struct hostapd_data *hapd, u8 *eid)
425 {
426 if (hapd->conf->time_advertisement != 2)
427 return eid;
428
429 if (hapd->time_adv == NULL &&
430 hostapd_update_time_adv(hapd) < 0)
431 return eid;
432
433 if (hapd->time_adv == NULL)
434 return eid;
435
436 os_memcpy(eid, wpabuf_head(hapd->time_adv),
437 wpabuf_len(hapd->time_adv));
438 eid += wpabuf_len(hapd->time_adv);
439
440 return eid;
441 }
442
443
hostapd_eid_time_zone(struct hostapd_data * hapd,u8 * eid)444 u8 * hostapd_eid_time_zone(struct hostapd_data *hapd, u8 *eid)
445 {
446 size_t len;
447
448 if (hapd->conf->time_advertisement != 2)
449 return eid;
450
451 len = os_strlen(hapd->conf->time_zone);
452
453 *eid++ = WLAN_EID_TIME_ZONE;
454 *eid++ = len;
455 os_memcpy(eid, hapd->conf->time_zone, len);
456 eid += len;
457
458 return eid;
459 }
460
461
hostapd_update_time_adv(struct hostapd_data * hapd)462 int hostapd_update_time_adv(struct hostapd_data *hapd)
463 {
464 const int elen = 2 + 1 + 10 + 5 + 1;
465 struct os_time t;
466 struct os_tm tm;
467 u8 *pos;
468
469 if (hapd->conf->time_advertisement != 2)
470 return 0;
471
472 if (os_get_time(&t) < 0 || os_gmtime(t.sec, &tm) < 0)
473 return -1;
474
475 if (!hapd->time_adv) {
476 hapd->time_adv = wpabuf_alloc(elen);
477 if (hapd->time_adv == NULL)
478 return -1;
479 pos = wpabuf_put(hapd->time_adv, elen);
480 } else
481 pos = wpabuf_mhead_u8(hapd->time_adv);
482
483 *pos++ = WLAN_EID_TIME_ADVERTISEMENT;
484 *pos++ = 1 + 10 + 5 + 1;
485
486 *pos++ = 2; /* UTC time at which the TSF timer is 0 */
487
488 /* Time Value at TSF 0 */
489 /* FIX: need to calculate this based on the current TSF value */
490 WPA_PUT_LE16(pos, tm.year); /* Year */
491 pos += 2;
492 *pos++ = tm.month; /* Month */
493 *pos++ = tm.day; /* Day of month */
494 *pos++ = tm.hour; /* Hours */
495 *pos++ = tm.min; /* Minutes */
496 *pos++ = tm.sec; /* Seconds */
497 WPA_PUT_LE16(pos, 0); /* Milliseconds (not used) */
498 pos += 2;
499 *pos++ = 0; /* Reserved */
500
501 /* Time Error */
502 /* TODO: fill in an estimate on the error */
503 *pos++ = 0;
504 *pos++ = 0;
505 *pos++ = 0;
506 *pos++ = 0;
507 *pos++ = 0;
508
509 *pos++ = hapd->time_update_counter++;
510
511 return 0;
512 }
513
514
hostapd_eid_bss_max_idle_period(struct hostapd_data * hapd,u8 * eid)515 u8 * hostapd_eid_bss_max_idle_period(struct hostapd_data *hapd, u8 *eid)
516 {
517 u8 *pos = eid;
518
519 #ifdef CONFIG_WNM_AP
520 if (hapd->conf->ap_max_inactivity > 0) {
521 unsigned int val;
522 *pos++ = WLAN_EID_BSS_MAX_IDLE_PERIOD;
523 *pos++ = 3;
524 val = hapd->conf->ap_max_inactivity;
525 if (val > 68000)
526 val = 68000;
527 val *= 1000;
528 val /= 1024;
529 if (val == 0)
530 val = 1;
531 if (val > 65535)
532 val = 65535;
533 WPA_PUT_LE16(pos, val);
534 pos += 2;
535 *pos++ = 0x00; /* TODO: Protected Keep-Alive Required */
536 }
537 #endif /* CONFIG_WNM_AP */
538
539 return pos;
540 }
541
542
543 #ifdef CONFIG_MBO
544
hostapd_eid_mbo(struct hostapd_data * hapd,u8 * eid,size_t len)545 u8 * hostapd_eid_mbo(struct hostapd_data *hapd, u8 *eid, size_t len)
546 {
547 u8 mbo[9], *mbo_pos = mbo;
548 u8 *pos = eid;
549
550 if (!hapd->conf->mbo_enabled && !hapd->enable_oce)
551 return eid;
552
553 if (hapd->conf->mbo_enabled) {
554 *mbo_pos++ = MBO_ATTR_ID_AP_CAPA_IND;
555 *mbo_pos++ = 1;
556 /* Not Cellular aware */
557 *mbo_pos++ = 0;
558 }
559
560 if (hapd->conf->mbo_enabled && hapd->mbo_assoc_disallow) {
561 *mbo_pos++ = MBO_ATTR_ID_ASSOC_DISALLOW;
562 *mbo_pos++ = 1;
563 *mbo_pos++ = hapd->mbo_assoc_disallow;
564 }
565
566 if (hapd->enable_oce & (OCE_AP | OCE_STA_CFON)) {
567 u8 ctrl;
568
569 ctrl = OCE_RELEASE;
570 if ((hapd->enable_oce & (OCE_AP | OCE_STA_CFON)) ==
571 OCE_STA_CFON)
572 ctrl |= OCE_IS_STA_CFON;
573
574 *mbo_pos++ = OCE_ATTR_ID_CAPA_IND;
575 *mbo_pos++ = 1;
576 *mbo_pos++ = ctrl;
577 }
578
579 pos += mbo_add_ie(pos, len, mbo, mbo_pos - mbo);
580
581 return pos;
582 }
583
584
hostapd_mbo_ie_len(struct hostapd_data * hapd)585 u8 hostapd_mbo_ie_len(struct hostapd_data *hapd)
586 {
587 u8 len;
588
589 if (!hapd->conf->mbo_enabled && !hapd->enable_oce)
590 return 0;
591
592 /*
593 * MBO IE header (6) + Capability Indication attribute (3) +
594 * Association Disallowed attribute (3) = 12
595 */
596 len = 6;
597 if (hapd->conf->mbo_enabled)
598 len += 3 + (hapd->mbo_assoc_disallow ? 3 : 0);
599
600 /* OCE capability indication attribute (3) */
601 if (hapd->enable_oce & (OCE_AP | OCE_STA_CFON))
602 len += 3;
603
604 return len;
605 }
606
607 #endif /* CONFIG_MBO */
608
609
ap_copy_sta_supp_op_classes(struct sta_info * sta,const u8 * supp_op_classes,size_t supp_op_classes_len)610 void ap_copy_sta_supp_op_classes(struct sta_info *sta,
611 const u8 *supp_op_classes,
612 size_t supp_op_classes_len)
613 {
614 if (!supp_op_classes)
615 return;
616 os_free(sta->supp_op_classes);
617 sta->supp_op_classes = os_malloc(1 + supp_op_classes_len);
618 if (!sta->supp_op_classes)
619 return;
620
621 sta->supp_op_classes[0] = supp_op_classes_len;
622 os_memcpy(sta->supp_op_classes + 1, supp_op_classes,
623 supp_op_classes_len);
624 }
625
626
hostapd_eid_fils_indic(struct hostapd_data * hapd,u8 * eid,int hessid)627 u8 * hostapd_eid_fils_indic(struct hostapd_data *hapd, u8 *eid, int hessid)
628 {
629 u8 *pos = eid;
630 #ifdef CONFIG_FILS
631 u8 *len;
632 u16 fils_info = 0;
633 size_t realms;
634 struct fils_realm *realm;
635
636 if (!(hapd->conf->wpa & WPA_PROTO_RSN) ||
637 !wpa_key_mgmt_fils(hapd->conf->wpa_key_mgmt))
638 return pos;
639
640 realms = dl_list_len(&hapd->conf->fils_realms);
641 if (realms > 7)
642 realms = 7; /* 3 bit count field limits this to max 7 */
643
644 *pos++ = WLAN_EID_FILS_INDICATION;
645 len = pos++;
646 /* TODO: B0..B2: Number of Public Key Identifiers */
647 if (hapd->conf->erp_domain) {
648 /* B3..B5: Number of Realm Identifiers */
649 fils_info |= realms << 3;
650 }
651 /* TODO: B6: FILS IP Address Configuration */
652 if (hapd->conf->fils_cache_id_set)
653 fils_info |= BIT(7);
654 if (hessid && !is_zero_ether_addr(hapd->conf->hessid))
655 fils_info |= BIT(8); /* HESSID Included */
656 /* FILS Shared Key Authentication without PFS Supported */
657 fils_info |= BIT(9);
658 if (hapd->conf->fils_dh_group) {
659 /* FILS Shared Key Authentication with PFS Supported */
660 fils_info |= BIT(10);
661 }
662 /* TODO: B11: FILS Public Key Authentication Supported */
663 /* B12..B15: Reserved */
664 WPA_PUT_LE16(pos, fils_info);
665 pos += 2;
666 if (hapd->conf->fils_cache_id_set) {
667 os_memcpy(pos, hapd->conf->fils_cache_id, FILS_CACHE_ID_LEN);
668 pos += FILS_CACHE_ID_LEN;
669 }
670 if (hessid && !is_zero_ether_addr(hapd->conf->hessid)) {
671 os_memcpy(pos, hapd->conf->hessid, ETH_ALEN);
672 pos += ETH_ALEN;
673 }
674
675 dl_list_for_each(realm, &hapd->conf->fils_realms, struct fils_realm,
676 list) {
677 if (realms == 0)
678 break;
679 realms--;
680 os_memcpy(pos, realm->hash, 2);
681 pos += 2;
682 }
683 *len = pos - len - 1;
684 #endif /* CONFIG_FILS */
685
686 return pos;
687 }
688