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wpa_supplicant: Basic support for PBSS/PCP
[thirdparty/hostap.git] / wpa_supplicant / ap.c
1 /*
2 * WPA Supplicant - Basic AP mode support routines
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2009, Atheros Communications
5 *
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
8 */
9
10 #include "utils/includes.h"
11
12 #include "utils/common.h"
13 #include "utils/eloop.h"
14 #include "utils/uuid.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/wpa_ctrl.h"
17 #include "eapol_supp/eapol_supp_sm.h"
18 #include "crypto/dh_group5.h"
19 #include "ap/hostapd.h"
20 #include "ap/ap_config.h"
21 #include "ap/ap_drv_ops.h"
22 #ifdef NEED_AP_MLME
23 #include "ap/ieee802_11.h"
24 #endif /* NEED_AP_MLME */
25 #include "ap/beacon.h"
26 #include "ap/ieee802_1x.h"
27 #include "ap/wps_hostapd.h"
28 #include "ap/ctrl_iface_ap.h"
29 #include "ap/dfs.h"
30 #include "wps/wps.h"
31 #include "common/ieee802_11_defs.h"
32 #include "config_ssid.h"
33 #include "config.h"
34 #include "wpa_supplicant_i.h"
35 #include "driver_i.h"
36 #include "p2p_supplicant.h"
37 #include "ap.h"
38 #include "ap/sta_info.h"
39 #include "notify.h"
40
41
42 #ifdef CONFIG_WPS
43 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
44 #endif /* CONFIG_WPS */
45
46
47 #ifdef CONFIG_IEEE80211N
48 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
49 struct hostapd_config *conf,
50 struct hostapd_hw_modes *mode)
51 {
52 #ifdef CONFIG_P2P
53 u8 center_chan = 0;
54 u8 channel = conf->channel;
55
56 if (!conf->secondary_channel)
57 goto no_vht;
58
59 switch (conf->vht_oper_chwidth) {
60 case VHT_CHANWIDTH_80MHZ:
61 case VHT_CHANWIDTH_80P80MHZ:
62 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
63 break;
64 case VHT_CHANWIDTH_160MHZ:
65 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
66 break;
67 default:
68 /*
69 * conf->vht_oper_chwidth might not be set for non-P2P GO cases,
70 * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
71 * not supported.
72 */
73 conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ;
74 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
75 if (!center_chan) {
76 conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
77 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
78 channel);
79 }
80 break;
81 }
82 if (!center_chan)
83 goto no_vht;
84
85 conf->vht_oper_centr_freq_seg0_idx = center_chan;
86 return;
87
88 no_vht:
89 conf->vht_oper_centr_freq_seg0_idx =
90 channel + conf->secondary_channel * 2;
91 #else /* CONFIG_P2P */
92 conf->vht_oper_centr_freq_seg0_idx =
93 conf->channel + conf->secondary_channel * 2;
94 #endif /* CONFIG_P2P */
95 conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
96 }
97 #endif /* CONFIG_IEEE80211N */
98
99
100 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
101 struct wpa_ssid *ssid,
102 struct hostapd_config *conf)
103 {
104 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
105 &conf->channel);
106
107 if (conf->hw_mode == NUM_HOSTAPD_MODES) {
108 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
109 ssid->frequency);
110 return -1;
111 }
112
113 /* TODO: enable HT40 if driver supports it;
114 * drop to 11b if driver does not support 11g */
115
116 #ifdef CONFIG_IEEE80211N
117 /*
118 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
119 * and a mask of allowed capabilities within conf->ht_capab.
120 * Using default config settings for: conf->ht_op_mode_fixed,
121 * conf->secondary_channel, conf->require_ht
122 */
123 if (wpa_s->hw.modes) {
124 struct hostapd_hw_modes *mode = NULL;
125 int i, no_ht = 0;
126 for (i = 0; i < wpa_s->hw.num_modes; i++) {
127 if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
128 mode = &wpa_s->hw.modes[i];
129 break;
130 }
131 }
132
133 #ifdef CONFIG_HT_OVERRIDES
134 if (ssid->disable_ht) {
135 conf->ieee80211n = 0;
136 conf->ht_capab = 0;
137 no_ht = 1;
138 }
139 #endif /* CONFIG_HT_OVERRIDES */
140
141 if (!no_ht && mode && mode->ht_capab) {
142 conf->ieee80211n = 1;
143 #ifdef CONFIG_P2P
144 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
145 (mode->ht_capab &
146 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
147 ssid->ht40)
148 conf->secondary_channel =
149 wpas_p2p_get_ht40_mode(wpa_s, mode,
150 conf->channel);
151 if (conf->secondary_channel)
152 conf->ht_capab |=
153 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
154 #endif /* CONFIG_P2P */
155
156 /*
157 * white-list capabilities that won't cause issues
158 * to connecting stations, while leaving the current
159 * capabilities intact (currently disabled SMPS).
160 */
161 conf->ht_capab |= mode->ht_capab &
162 (HT_CAP_INFO_GREEN_FIELD |
163 HT_CAP_INFO_SHORT_GI20MHZ |
164 HT_CAP_INFO_SHORT_GI40MHZ |
165 HT_CAP_INFO_RX_STBC_MASK |
166 HT_CAP_INFO_TX_STBC |
167 HT_CAP_INFO_MAX_AMSDU_SIZE);
168
169 if (mode->vht_capab && ssid->vht) {
170 conf->ieee80211ac = 1;
171 wpas_conf_ap_vht(wpa_s, conf, mode);
172 }
173 }
174 }
175
176 if (conf->secondary_channel) {
177 struct wpa_supplicant *iface;
178
179 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
180 {
181 if (iface == wpa_s ||
182 iface->wpa_state < WPA_AUTHENTICATING ||
183 (int) iface->assoc_freq != ssid->frequency)
184 continue;
185
186 /*
187 * Do not allow 40 MHz co-ex PRI/SEC switch to force us
188 * to change our PRI channel since we have an existing,
189 * concurrent connection on that channel and doing
190 * multi-channel concurrency is likely to cause more
191 * harm than using different PRI/SEC selection in
192 * environment with multiple BSSes on these two channels
193 * with mixed 20 MHz or PRI channel selection.
194 */
195 conf->no_pri_sec_switch = 1;
196 }
197 }
198 #endif /* CONFIG_IEEE80211N */
199
200 return 0;
201 }
202
203
204 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
205 struct wpa_ssid *ssid,
206 struct hostapd_config *conf)
207 {
208 struct hostapd_bss_config *bss = conf->bss[0];
209
210 conf->driver = wpa_s->driver;
211
212 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
213
214 if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
215 return -1;
216
217 #ifdef CONFIG_ACS
218 if (ssid->acs) {
219 /* Setting channel to 0 in order to enable ACS */
220 conf->channel = 0;
221 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
222 }
223 #endif /* CONFIG_ACS */
224
225 if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
226 conf->ieee80211h = 1;
227 conf->ieee80211d = 1;
228 conf->country[0] = wpa_s->conf->country[0];
229 conf->country[1] = wpa_s->conf->country[1];
230 }
231
232 #ifdef CONFIG_P2P
233 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
234 (ssid->mode == WPAS_MODE_P2P_GO ||
235 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
236 /* Remove 802.11b rates from supported and basic rate sets */
237 int *list = os_malloc(4 * sizeof(int));
238 if (list) {
239 list[0] = 60;
240 list[1] = 120;
241 list[2] = 240;
242 list[3] = -1;
243 }
244 conf->basic_rates = list;
245
246 list = os_malloc(9 * sizeof(int));
247 if (list) {
248 list[0] = 60;
249 list[1] = 90;
250 list[2] = 120;
251 list[3] = 180;
252 list[4] = 240;
253 list[5] = 360;
254 list[6] = 480;
255 list[7] = 540;
256 list[8] = -1;
257 }
258 conf->supported_rates = list;
259 }
260
261 bss->isolate = !wpa_s->conf->p2p_intra_bss;
262 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
263
264 if (ssid->p2p_group) {
265 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
266 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
267 4);
268 os_memcpy(bss->ip_addr_start,
269 wpa_s->parent->conf->ip_addr_start, 4);
270 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
271 4);
272 }
273 #endif /* CONFIG_P2P */
274
275 if (ssid->ssid_len == 0) {
276 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
277 return -1;
278 }
279 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
280 bss->ssid.ssid_len = ssid->ssid_len;
281 bss->ssid.ssid_set = 1;
282
283 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
284
285 if (ssid->auth_alg)
286 bss->auth_algs = ssid->auth_alg;
287
288 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
289 bss->wpa = ssid->proto;
290 bss->wpa_key_mgmt = ssid->key_mgmt;
291 bss->wpa_pairwise = ssid->pairwise_cipher;
292 if (ssid->psk_set) {
293 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
294 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
295 if (bss->ssid.wpa_psk == NULL)
296 return -1;
297 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
298 bss->ssid.wpa_psk->group = 1;
299 } else if (ssid->passphrase) {
300 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
301 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
302 ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
303 struct hostapd_wep_keys *wep = &bss->ssid.wep;
304 int i;
305 for (i = 0; i < NUM_WEP_KEYS; i++) {
306 if (ssid->wep_key_len[i] == 0)
307 continue;
308 wep->key[i] = os_malloc(ssid->wep_key_len[i]);
309 if (wep->key[i] == NULL)
310 return -1;
311 os_memcpy(wep->key[i], ssid->wep_key[i],
312 ssid->wep_key_len[i]);
313 wep->len[i] = ssid->wep_key_len[i];
314 }
315 wep->idx = ssid->wep_tx_keyidx;
316 wep->keys_set = 1;
317 }
318
319 if (ssid->ap_max_inactivity)
320 bss->ap_max_inactivity = ssid->ap_max_inactivity;
321
322 if (ssid->dtim_period)
323 bss->dtim_period = ssid->dtim_period;
324 else if (wpa_s->conf->dtim_period)
325 bss->dtim_period = wpa_s->conf->dtim_period;
326
327 if (ssid->beacon_int)
328 conf->beacon_int = ssid->beacon_int;
329 else if (wpa_s->conf->beacon_int)
330 conf->beacon_int = wpa_s->conf->beacon_int;
331
332 #ifdef CONFIG_P2P
333 if (ssid->mode == WPAS_MODE_P2P_GO ||
334 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
335 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
336 wpa_printf(MSG_INFO,
337 "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
338 wpa_s->conf->p2p_go_ctwindow,
339 conf->beacon_int);
340 conf->p2p_go_ctwindow = 0;
341 } else {
342 conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
343 }
344 }
345 #endif /* CONFIG_P2P */
346
347 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
348 bss->rsn_pairwise = bss->wpa_pairwise;
349 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
350 bss->rsn_pairwise);
351
352 if (bss->wpa && bss->ieee802_1x)
353 bss->ssid.security_policy = SECURITY_WPA;
354 else if (bss->wpa)
355 bss->ssid.security_policy = SECURITY_WPA_PSK;
356 else if (bss->ieee802_1x) {
357 int cipher = WPA_CIPHER_NONE;
358 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
359 bss->ssid.wep.default_len = bss->default_wep_key_len;
360 if (bss->default_wep_key_len)
361 cipher = bss->default_wep_key_len >= 13 ?
362 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
363 bss->wpa_group = cipher;
364 bss->wpa_pairwise = cipher;
365 bss->rsn_pairwise = cipher;
366 } else if (bss->ssid.wep.keys_set) {
367 int cipher = WPA_CIPHER_WEP40;
368 if (bss->ssid.wep.len[0] >= 13)
369 cipher = WPA_CIPHER_WEP104;
370 bss->ssid.security_policy = SECURITY_STATIC_WEP;
371 bss->wpa_group = cipher;
372 bss->wpa_pairwise = cipher;
373 bss->rsn_pairwise = cipher;
374 } else {
375 bss->ssid.security_policy = SECURITY_PLAINTEXT;
376 bss->wpa_group = WPA_CIPHER_NONE;
377 bss->wpa_pairwise = WPA_CIPHER_NONE;
378 bss->rsn_pairwise = WPA_CIPHER_NONE;
379 }
380
381 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
382 (bss->wpa_group == WPA_CIPHER_CCMP ||
383 bss->wpa_group == WPA_CIPHER_GCMP ||
384 bss->wpa_group == WPA_CIPHER_CCMP_256 ||
385 bss->wpa_group == WPA_CIPHER_GCMP_256)) {
386 /*
387 * Strong ciphers do not need frequent rekeying, so increase
388 * the default GTK rekeying period to 24 hours.
389 */
390 bss->wpa_group_rekey = 86400;
391 }
392
393 #ifdef CONFIG_IEEE80211W
394 if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
395 bss->ieee80211w = ssid->ieee80211w;
396 #endif /* CONFIG_IEEE80211W */
397
398 #ifdef CONFIG_WPS
399 /*
400 * Enable WPS by default for open and WPA/WPA2-Personal network, but
401 * require user interaction to actually use it. Only the internal
402 * Registrar is supported.
403 */
404 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
405 bss->ssid.security_policy != SECURITY_PLAINTEXT)
406 goto no_wps;
407 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
408 (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
409 !(bss->wpa & 2)))
410 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
411 * configuration */
412 bss->eap_server = 1;
413
414 if (!ssid->ignore_broadcast_ssid)
415 bss->wps_state = 2;
416
417 bss->ap_setup_locked = 2;
418 if (wpa_s->conf->config_methods)
419 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
420 os_memcpy(bss->device_type, wpa_s->conf->device_type,
421 WPS_DEV_TYPE_LEN);
422 if (wpa_s->conf->device_name) {
423 bss->device_name = os_strdup(wpa_s->conf->device_name);
424 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
425 }
426 if (wpa_s->conf->manufacturer)
427 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
428 if (wpa_s->conf->model_name)
429 bss->model_name = os_strdup(wpa_s->conf->model_name);
430 if (wpa_s->conf->model_number)
431 bss->model_number = os_strdup(wpa_s->conf->model_number);
432 if (wpa_s->conf->serial_number)
433 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
434 if (is_nil_uuid(wpa_s->conf->uuid))
435 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
436 else
437 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
438 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
439 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
440 no_wps:
441 #endif /* CONFIG_WPS */
442
443 if (wpa_s->max_stations &&
444 wpa_s->max_stations < wpa_s->conf->max_num_sta)
445 bss->max_num_sta = wpa_s->max_stations;
446 else
447 bss->max_num_sta = wpa_s->conf->max_num_sta;
448
449 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
450
451 if (wpa_s->conf->ap_vendor_elements) {
452 bss->vendor_elements =
453 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
454 }
455
456 bss->pbss = ssid->pbss;
457
458 return 0;
459 }
460
461
462 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
463 {
464 #ifdef CONFIG_P2P
465 struct wpa_supplicant *wpa_s = ctx;
466 const struct ieee80211_mgmt *mgmt;
467
468 mgmt = (const struct ieee80211_mgmt *) buf;
469 if (len < IEEE80211_HDRLEN + 1)
470 return;
471 if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
472 return;
473 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
474 mgmt->u.action.category,
475 buf + IEEE80211_HDRLEN + 1,
476 len - IEEE80211_HDRLEN - 1, freq);
477 #endif /* CONFIG_P2P */
478 }
479
480
481 static void ap_wps_event_cb(void *ctx, enum wps_event event,
482 union wps_event_data *data)
483 {
484 #ifdef CONFIG_P2P
485 struct wpa_supplicant *wpa_s = ctx;
486
487 if (event == WPS_EV_FAIL) {
488 struct wps_event_fail *fail = &data->fail;
489
490 if (wpa_s->parent && wpa_s->parent != wpa_s &&
491 wpa_s == wpa_s->global->p2p_group_formation) {
492 /*
493 * src/ap/wps_hostapd.c has already sent this on the
494 * main interface, so only send on the parent interface
495 * here if needed.
496 */
497 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
498 "msg=%d config_error=%d",
499 fail->msg, fail->config_error);
500 }
501 wpas_p2p_wps_failed(wpa_s, fail);
502 }
503 #endif /* CONFIG_P2P */
504 }
505
506
507 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
508 int authorized, const u8 *p2p_dev_addr)
509 {
510 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
511 }
512
513
514 #ifdef CONFIG_P2P
515 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
516 const u8 *psk, size_t psk_len)
517 {
518
519 struct wpa_supplicant *wpa_s = ctx;
520 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
521 return;
522 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
523 }
524 #endif /* CONFIG_P2P */
525
526
527 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
528 {
529 #ifdef CONFIG_P2P
530 struct wpa_supplicant *wpa_s = ctx;
531 const struct ieee80211_mgmt *mgmt;
532
533 mgmt = (const struct ieee80211_mgmt *) buf;
534 if (len < IEEE80211_HDRLEN + 1)
535 return -1;
536 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
537 mgmt->u.action.category,
538 buf + IEEE80211_HDRLEN + 1,
539 len - IEEE80211_HDRLEN - 1, freq);
540 #endif /* CONFIG_P2P */
541 return 0;
542 }
543
544
545 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
546 const u8 *bssid, const u8 *ie, size_t ie_len,
547 int ssi_signal)
548 {
549 struct wpa_supplicant *wpa_s = ctx;
550 unsigned int freq = 0;
551
552 if (wpa_s->ap_iface)
553 freq = wpa_s->ap_iface->freq;
554
555 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
556 freq, ssi_signal);
557 }
558
559
560 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
561 const u8 *uuid_e)
562 {
563 struct wpa_supplicant *wpa_s = ctx;
564 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
565 }
566
567
568 static void wpas_ap_configured_cb(void *ctx)
569 {
570 struct wpa_supplicant *wpa_s = ctx;
571
572 #ifdef CONFIG_ACS
573 if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
574 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
575 #endif /* CONFIG_ACS */
576
577 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
578
579 if (wpa_s->ap_configured_cb)
580 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
581 wpa_s->ap_configured_cb_data);
582 }
583
584
585 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
586 struct wpa_ssid *ssid)
587 {
588 struct wpa_driver_associate_params params;
589 struct hostapd_iface *hapd_iface;
590 struct hostapd_config *conf;
591 size_t i;
592
593 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
594 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
595 return -1;
596 }
597
598 wpa_supplicant_ap_deinit(wpa_s);
599
600 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
601 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
602
603 os_memset(&params, 0, sizeof(params));
604 params.ssid = ssid->ssid;
605 params.ssid_len = ssid->ssid_len;
606 switch (ssid->mode) {
607 case WPAS_MODE_AP:
608 case WPAS_MODE_P2P_GO:
609 case WPAS_MODE_P2P_GROUP_FORMATION:
610 params.mode = IEEE80211_MODE_AP;
611 break;
612 default:
613 return -1;
614 }
615 if (ssid->frequency == 0)
616 ssid->frequency = 2462; /* default channel 11 */
617 params.freq.freq = ssid->frequency;
618
619 params.wpa_proto = ssid->proto;
620 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
621 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
622 else
623 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
624 params.key_mgmt_suite = wpa_s->key_mgmt;
625
626 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
627 1);
628 if (wpa_s->pairwise_cipher < 0) {
629 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
630 "cipher.");
631 return -1;
632 }
633 params.pairwise_suite = wpa_s->pairwise_cipher;
634 params.group_suite = params.pairwise_suite;
635
636 #ifdef CONFIG_P2P
637 if (ssid->mode == WPAS_MODE_P2P_GO ||
638 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
639 params.p2p = 1;
640 #endif /* CONFIG_P2P */
641
642 if (wpa_s->parent->set_ap_uapsd)
643 params.uapsd = wpa_s->parent->ap_uapsd;
644 else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
645 params.uapsd = 1; /* mandatory for P2P GO */
646 else
647 params.uapsd = -1;
648
649 if (ieee80211_is_dfs(params.freq.freq))
650 params.freq.freq = 0; /* set channel after CAC */
651
652 if (wpa_drv_associate(wpa_s, &params) < 0) {
653 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
654 return -1;
655 }
656
657 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
658 if (hapd_iface == NULL)
659 return -1;
660 hapd_iface->owner = wpa_s;
661 hapd_iface->drv_flags = wpa_s->drv_flags;
662 hapd_iface->smps_modes = wpa_s->drv_smps_modes;
663 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
664 hapd_iface->extended_capa = wpa_s->extended_capa;
665 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
666 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
667
668 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
669 if (conf == NULL) {
670 wpa_supplicant_ap_deinit(wpa_s);
671 return -1;
672 }
673
674 /* Use the maximum oper channel width if it's given. */
675 if (ssid->max_oper_chwidth)
676 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
677
678 ieee80211_freq_to_chan(ssid->vht_center_freq2,
679 &conf->vht_oper_centr_freq_seg1_idx);
680
681 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
682 wpa_s->conf->wmm_ac_params,
683 sizeof(wpa_s->conf->wmm_ac_params));
684
685 if (params.uapsd > 0) {
686 conf->bss[0]->wmm_enabled = 1;
687 conf->bss[0]->wmm_uapsd = 1;
688 }
689
690 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
691 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
692 wpa_supplicant_ap_deinit(wpa_s);
693 return -1;
694 }
695
696 #ifdef CONFIG_P2P
697 if (ssid->mode == WPAS_MODE_P2P_GO)
698 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
699 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
700 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
701 P2P_GROUP_FORMATION;
702 #endif /* CONFIG_P2P */
703
704 hapd_iface->num_bss = conf->num_bss;
705 hapd_iface->bss = os_calloc(conf->num_bss,
706 sizeof(struct hostapd_data *));
707 if (hapd_iface->bss == NULL) {
708 wpa_supplicant_ap_deinit(wpa_s);
709 return -1;
710 }
711
712 for (i = 0; i < conf->num_bss; i++) {
713 hapd_iface->bss[i] =
714 hostapd_alloc_bss_data(hapd_iface, conf,
715 conf->bss[i]);
716 if (hapd_iface->bss[i] == NULL) {
717 wpa_supplicant_ap_deinit(wpa_s);
718 return -1;
719 }
720
721 hapd_iface->bss[i]->msg_ctx = wpa_s;
722 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
723 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
724 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
725 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
726 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
727 hostapd_register_probereq_cb(hapd_iface->bss[i],
728 ap_probe_req_rx, wpa_s);
729 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
730 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
731 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
732 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
733 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
734 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
735 #ifdef CONFIG_P2P
736 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
737 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
738 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
739 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
740 ssid);
741 #endif /* CONFIG_P2P */
742 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
743 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
744 #ifdef CONFIG_TESTING_OPTIONS
745 hapd_iface->bss[i]->ext_eapol_frame_io =
746 wpa_s->ext_eapol_frame_io;
747 #endif /* CONFIG_TESTING_OPTIONS */
748 }
749
750 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
751 hapd_iface->bss[0]->driver = wpa_s->driver;
752 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
753
754 wpa_s->current_ssid = ssid;
755 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
756 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
757 wpa_s->assoc_freq = ssid->frequency;
758
759 if (hostapd_setup_interface(wpa_s->ap_iface)) {
760 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
761 wpa_supplicant_ap_deinit(wpa_s);
762 return -1;
763 }
764
765 return 0;
766 }
767
768
769 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
770 {
771 #ifdef CONFIG_WPS
772 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
773 #endif /* CONFIG_WPS */
774
775 if (wpa_s->ap_iface == NULL)
776 return;
777
778 wpa_s->current_ssid = NULL;
779 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
780 wpa_s->assoc_freq = 0;
781 wpas_p2p_ap_deinit(wpa_s);
782 wpa_s->ap_iface->driver_ap_teardown =
783 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
784
785 hostapd_interface_deinit(wpa_s->ap_iface);
786 hostapd_interface_free(wpa_s->ap_iface);
787 wpa_s->ap_iface = NULL;
788 wpa_drv_deinit_ap(wpa_s);
789 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
790 " reason=%d locally_generated=1",
791 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
792 }
793
794
795 void ap_tx_status(void *ctx, const u8 *addr,
796 const u8 *buf, size_t len, int ack)
797 {
798 #ifdef NEED_AP_MLME
799 struct wpa_supplicant *wpa_s = ctx;
800 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
801 #endif /* NEED_AP_MLME */
802 }
803
804
805 void ap_eapol_tx_status(void *ctx, const u8 *dst,
806 const u8 *data, size_t len, int ack)
807 {
808 #ifdef NEED_AP_MLME
809 struct wpa_supplicant *wpa_s = ctx;
810 if (!wpa_s->ap_iface)
811 return;
812 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
813 #endif /* NEED_AP_MLME */
814 }
815
816
817 void ap_client_poll_ok(void *ctx, const u8 *addr)
818 {
819 #ifdef NEED_AP_MLME
820 struct wpa_supplicant *wpa_s = ctx;
821 if (wpa_s->ap_iface)
822 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
823 #endif /* NEED_AP_MLME */
824 }
825
826
827 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
828 {
829 #ifdef NEED_AP_MLME
830 struct wpa_supplicant *wpa_s = ctx;
831 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
832 #endif /* NEED_AP_MLME */
833 }
834
835
836 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
837 {
838 #ifdef NEED_AP_MLME
839 struct wpa_supplicant *wpa_s = ctx;
840 struct hostapd_frame_info fi;
841 os_memset(&fi, 0, sizeof(fi));
842 fi.datarate = rx_mgmt->datarate;
843 fi.ssi_signal = rx_mgmt->ssi_signal;
844 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
845 rx_mgmt->frame_len, &fi);
846 #endif /* NEED_AP_MLME */
847 }
848
849
850 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
851 {
852 #ifdef NEED_AP_MLME
853 struct wpa_supplicant *wpa_s = ctx;
854 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
855 #endif /* NEED_AP_MLME */
856 }
857
858
859 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
860 const u8 *src_addr, const u8 *buf, size_t len)
861 {
862 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
863 }
864
865
866 #ifdef CONFIG_WPS
867
868 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
869 const u8 *p2p_dev_addr)
870 {
871 if (!wpa_s->ap_iface)
872 return -1;
873 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
874 p2p_dev_addr);
875 }
876
877
878 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
879 {
880 struct wps_registrar *reg;
881 int reg_sel = 0, wps_sta = 0;
882
883 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
884 return -1;
885
886 reg = wpa_s->ap_iface->bss[0]->wps->registrar;
887 reg_sel = wps_registrar_wps_cancel(reg);
888 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
889 ap_sta_wps_cancel, NULL);
890
891 if (!reg_sel && !wps_sta) {
892 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
893 "time");
894 return -1;
895 }
896
897 /*
898 * There are 2 cases to return wps cancel as success:
899 * 1. When wps cancel was initiated but no connection has been
900 * established with client yet.
901 * 2. Client is in the middle of exchanging WPS messages.
902 */
903
904 return 0;
905 }
906
907
908 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
909 const char *pin, char *buf, size_t buflen,
910 int timeout)
911 {
912 int ret, ret_len = 0;
913
914 if (!wpa_s->ap_iface)
915 return -1;
916
917 if (pin == NULL) {
918 unsigned int rpin = wps_generate_pin();
919 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
920 if (os_snprintf_error(buflen, ret_len))
921 return -1;
922 pin = buf;
923 } else if (buf) {
924 ret_len = os_snprintf(buf, buflen, "%s", pin);
925 if (os_snprintf_error(buflen, ret_len))
926 return -1;
927 }
928
929 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
930 timeout);
931 if (ret)
932 return -1;
933 return ret_len;
934 }
935
936
937 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
938 {
939 struct wpa_supplicant *wpa_s = eloop_data;
940 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
941 wpas_wps_ap_pin_disable(wpa_s);
942 }
943
944
945 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
946 {
947 struct hostapd_data *hapd;
948
949 if (wpa_s->ap_iface == NULL)
950 return;
951 hapd = wpa_s->ap_iface->bss[0];
952 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
953 hapd->ap_pin_failures = 0;
954 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
955 if (timeout > 0)
956 eloop_register_timeout(timeout, 0,
957 wpas_wps_ap_pin_timeout, wpa_s, NULL);
958 }
959
960
961 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
962 {
963 struct hostapd_data *hapd;
964
965 if (wpa_s->ap_iface == NULL)
966 return;
967 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
968 hapd = wpa_s->ap_iface->bss[0];
969 os_free(hapd->conf->ap_pin);
970 hapd->conf->ap_pin = NULL;
971 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
972 }
973
974
975 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
976 {
977 struct hostapd_data *hapd;
978 unsigned int pin;
979 char pin_txt[9];
980
981 if (wpa_s->ap_iface == NULL)
982 return NULL;
983 hapd = wpa_s->ap_iface->bss[0];
984 pin = wps_generate_pin();
985 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
986 os_free(hapd->conf->ap_pin);
987 hapd->conf->ap_pin = os_strdup(pin_txt);
988 if (hapd->conf->ap_pin == NULL)
989 return NULL;
990 wpas_wps_ap_pin_enable(wpa_s, timeout);
991
992 return hapd->conf->ap_pin;
993 }
994
995
996 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
997 {
998 struct hostapd_data *hapd;
999 if (wpa_s->ap_iface == NULL)
1000 return NULL;
1001 hapd = wpa_s->ap_iface->bss[0];
1002 return hapd->conf->ap_pin;
1003 }
1004
1005
1006 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1007 int timeout)
1008 {
1009 struct hostapd_data *hapd;
1010 char pin_txt[9];
1011 int ret;
1012
1013 if (wpa_s->ap_iface == NULL)
1014 return -1;
1015 hapd = wpa_s->ap_iface->bss[0];
1016 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1017 if (os_snprintf_error(sizeof(pin_txt), ret))
1018 return -1;
1019 os_free(hapd->conf->ap_pin);
1020 hapd->conf->ap_pin = os_strdup(pin_txt);
1021 if (hapd->conf->ap_pin == NULL)
1022 return -1;
1023 wpas_wps_ap_pin_enable(wpa_s, timeout);
1024
1025 return 0;
1026 }
1027
1028
1029 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1030 {
1031 struct hostapd_data *hapd;
1032
1033 if (wpa_s->ap_iface == NULL)
1034 return;
1035 hapd = wpa_s->ap_iface->bss[0];
1036
1037 /*
1038 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1039 * PIN if this happens multiple times to slow down brute force attacks.
1040 */
1041 hapd->ap_pin_failures++;
1042 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1043 hapd->ap_pin_failures);
1044 if (hapd->ap_pin_failures < 3)
1045 return;
1046
1047 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1048 hapd->ap_pin_failures = 0;
1049 os_free(hapd->conf->ap_pin);
1050 hapd->conf->ap_pin = NULL;
1051 }
1052
1053
1054 #ifdef CONFIG_WPS_NFC
1055
1056 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1057 int ndef)
1058 {
1059 struct hostapd_data *hapd;
1060
1061 if (wpa_s->ap_iface == NULL)
1062 return NULL;
1063 hapd = wpa_s->ap_iface->bss[0];
1064 return hostapd_wps_nfc_config_token(hapd, ndef);
1065 }
1066
1067
1068 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1069 int ndef)
1070 {
1071 struct hostapd_data *hapd;
1072
1073 if (wpa_s->ap_iface == NULL)
1074 return NULL;
1075 hapd = wpa_s->ap_iface->bss[0];
1076 return hostapd_wps_nfc_hs_cr(hapd, ndef);
1077 }
1078
1079
1080 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1081 const struct wpabuf *req,
1082 const struct wpabuf *sel)
1083 {
1084 struct hostapd_data *hapd;
1085
1086 if (wpa_s->ap_iface == NULL)
1087 return -1;
1088 hapd = wpa_s->ap_iface->bss[0];
1089 return hostapd_wps_nfc_report_handover(hapd, req, sel);
1090 }
1091
1092 #endif /* CONFIG_WPS_NFC */
1093
1094 #endif /* CONFIG_WPS */
1095
1096
1097 #ifdef CONFIG_CTRL_IFACE
1098
1099 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1100 char *buf, size_t buflen)
1101 {
1102 struct hostapd_data *hapd;
1103
1104 if (wpa_s->ap_iface)
1105 hapd = wpa_s->ap_iface->bss[0];
1106 else if (wpa_s->ifmsh)
1107 hapd = wpa_s->ifmsh->bss[0];
1108 else
1109 return -1;
1110 return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1111 }
1112
1113
1114 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1115 char *buf, size_t buflen)
1116 {
1117 struct hostapd_data *hapd;
1118
1119 if (wpa_s->ap_iface)
1120 hapd = wpa_s->ap_iface->bss[0];
1121 else if (wpa_s->ifmsh)
1122 hapd = wpa_s->ifmsh->bss[0];
1123 else
1124 return -1;
1125 return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1126 }
1127
1128
1129 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1130 char *buf, size_t buflen)
1131 {
1132 struct hostapd_data *hapd;
1133
1134 if (wpa_s->ap_iface)
1135 hapd = wpa_s->ap_iface->bss[0];
1136 else if (wpa_s->ifmsh)
1137 hapd = wpa_s->ifmsh->bss[0];
1138 else
1139 return -1;
1140 return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1141 }
1142
1143
1144 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1145 const char *txtaddr)
1146 {
1147 if (wpa_s->ap_iface == NULL)
1148 return -1;
1149 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1150 txtaddr);
1151 }
1152
1153
1154 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1155 const char *txtaddr)
1156 {
1157 if (wpa_s->ap_iface == NULL)
1158 return -1;
1159 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1160 txtaddr);
1161 }
1162
1163
1164 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1165 size_t buflen, int verbose)
1166 {
1167 char *pos = buf, *end = buf + buflen;
1168 int ret;
1169 struct hostapd_bss_config *conf;
1170
1171 if (wpa_s->ap_iface == NULL)
1172 return -1;
1173
1174 conf = wpa_s->ap_iface->bss[0]->conf;
1175 if (conf->wpa == 0)
1176 return 0;
1177
1178 ret = os_snprintf(pos, end - pos,
1179 "pairwise_cipher=%s\n"
1180 "group_cipher=%s\n"
1181 "key_mgmt=%s\n",
1182 wpa_cipher_txt(conf->rsn_pairwise),
1183 wpa_cipher_txt(conf->wpa_group),
1184 wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1185 conf->wpa));
1186 if (os_snprintf_error(end - pos, ret))
1187 return pos - buf;
1188 pos += ret;
1189 return pos - buf;
1190 }
1191
1192 #endif /* CONFIG_CTRL_IFACE */
1193
1194
1195 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1196 {
1197 struct hostapd_iface *iface = wpa_s->ap_iface;
1198 struct wpa_ssid *ssid = wpa_s->current_ssid;
1199 struct hostapd_data *hapd;
1200
1201 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1202 ssid->mode == WPAS_MODE_INFRA ||
1203 ssid->mode == WPAS_MODE_IBSS)
1204 return -1;
1205
1206 #ifdef CONFIG_P2P
1207 if (ssid->mode == WPAS_MODE_P2P_GO)
1208 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1209 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1210 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1211 P2P_GROUP_FORMATION;
1212 #endif /* CONFIG_P2P */
1213
1214 hapd = iface->bss[0];
1215 if (hapd->drv_priv == NULL)
1216 return -1;
1217 ieee802_11_set_beacons(iface);
1218 hostapd_set_ap_wps_ie(hapd);
1219
1220 return 0;
1221 }
1222
1223
1224 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1225 struct csa_settings *settings)
1226 {
1227 #ifdef NEED_AP_MLME
1228 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1229 return -1;
1230
1231 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1232 #else /* NEED_AP_MLME */
1233 return -1;
1234 #endif /* NEED_AP_MLME */
1235 }
1236
1237
1238 #ifdef CONFIG_CTRL_IFACE
1239 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1240 {
1241 struct csa_settings settings;
1242 int ret = hostapd_parse_csa_settings(pos, &settings);
1243
1244 if (ret)
1245 return ret;
1246
1247 return ap_switch_channel(wpa_s, &settings);
1248 }
1249 #endif /* CONFIG_CTRL_IFACE */
1250
1251
1252 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1253 int offset, int width, int cf1, int cf2)
1254 {
1255 if (!wpa_s->ap_iface)
1256 return;
1257
1258 wpa_s->assoc_freq = freq;
1259 if (wpa_s->current_ssid)
1260 wpa_s->current_ssid->frequency = freq;
1261 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1262 offset, width, cf1, cf2);
1263 }
1264
1265
1266 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1267 const u8 *addr)
1268 {
1269 struct hostapd_data *hapd;
1270 struct hostapd_bss_config *conf;
1271
1272 if (!wpa_s->ap_iface)
1273 return -1;
1274
1275 if (addr)
1276 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1277 MAC2STR(addr));
1278 else
1279 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1280
1281 hapd = wpa_s->ap_iface->bss[0];
1282 conf = hapd->conf;
1283
1284 os_free(conf->accept_mac);
1285 conf->accept_mac = NULL;
1286 conf->num_accept_mac = 0;
1287 os_free(conf->deny_mac);
1288 conf->deny_mac = NULL;
1289 conf->num_deny_mac = 0;
1290
1291 if (addr == NULL) {
1292 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1293 return 0;
1294 }
1295
1296 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1297 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1298 if (conf->accept_mac == NULL)
1299 return -1;
1300 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1301 conf->num_accept_mac = 1;
1302
1303 return 0;
1304 }
1305
1306
1307 #ifdef CONFIG_WPS_NFC
1308 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1309 const struct wpabuf *pw, const u8 *pubkey_hash)
1310 {
1311 struct hostapd_data *hapd;
1312 struct wps_context *wps;
1313
1314 if (!wpa_s->ap_iface)
1315 return -1;
1316 hapd = wpa_s->ap_iface->bss[0];
1317 wps = hapd->wps;
1318
1319 if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1320 wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1321 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1322 return -1;
1323 }
1324
1325 dh5_free(wps->dh_ctx);
1326 wpabuf_free(wps->dh_pubkey);
1327 wpabuf_free(wps->dh_privkey);
1328 wps->dh_privkey = wpabuf_dup(
1329 wpa_s->parent->conf->wps_nfc_dh_privkey);
1330 wps->dh_pubkey = wpabuf_dup(
1331 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1332 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1333 wps->dh_ctx = NULL;
1334 wpabuf_free(wps->dh_pubkey);
1335 wps->dh_pubkey = NULL;
1336 wpabuf_free(wps->dh_privkey);
1337 wps->dh_privkey = NULL;
1338 return -1;
1339 }
1340 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1341 if (wps->dh_ctx == NULL)
1342 return -1;
1343
1344 return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1345 pw_id,
1346 pw ? wpabuf_head(pw) : NULL,
1347 pw ? wpabuf_len(pw) : 0, 1);
1348 }
1349 #endif /* CONFIG_WPS_NFC */
1350
1351
1352 #ifdef CONFIG_CTRL_IFACE
1353 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1354 {
1355 struct hostapd_data *hapd;
1356
1357 if (!wpa_s->ap_iface)
1358 return -1;
1359 hapd = wpa_s->ap_iface->bss[0];
1360 return hostapd_ctrl_iface_stop_ap(hapd);
1361 }
1362 #endif /* CONFIG_CTRL_IFACE */
1363
1364
1365 #ifdef NEED_AP_MLME
1366 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1367 struct dfs_event *radar)
1368 {
1369 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1370 return;
1371 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1372 hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1373 radar->ht_enabled, radar->chan_offset,
1374 radar->chan_width,
1375 radar->cf1, radar->cf2);
1376 }
1377
1378
1379 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1380 struct dfs_event *radar)
1381 {
1382 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1383 return;
1384 wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1385 hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1386 radar->ht_enabled, radar->chan_offset,
1387 radar->chan_width, radar->cf1, radar->cf2);
1388 }
1389
1390
1391 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1392 struct dfs_event *radar)
1393 {
1394 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1395 return;
1396 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1397 hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1398 radar->ht_enabled, radar->chan_offset,
1399 radar->chan_width, radar->cf1, radar->cf2);
1400 }
1401
1402
1403 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1404 struct dfs_event *radar)
1405 {
1406 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1407 return;
1408 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1409 hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1410 radar->ht_enabled, radar->chan_offset,
1411 radar->chan_width, radar->cf1, radar->cf2);
1412 }
1413
1414
1415 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1416 struct dfs_event *radar)
1417 {
1418 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1419 return;
1420 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1421 hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1422 radar->ht_enabled, radar->chan_offset,
1423 radar->chan_width, radar->cf1, radar->cf2);
1424 }
1425 #endif /* NEED_AP_MLME */
1426
1427
1428 void ap_periodic(struct wpa_supplicant *wpa_s)
1429 {
1430 if (wpa_s->ap_iface)
1431 hostapd_periodic_iface(wpa_s->ap_iface);
1432 }
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