xref: /freebsd/contrib/wpa/wpa_supplicant/ap.c (revision 98e0ffaefb0f241cda3a72395d3be04192ae0d47)
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 	center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
60 	if (!center_chan)
61 		goto no_vht;
62 
63 	/* Use 80 MHz channel */
64 	conf->vht_oper_chwidth = 1;
65 	conf->vht_oper_centr_freq_seg0_idx = center_chan;
66 	return;
67 
68 no_vht:
69 	conf->vht_oper_centr_freq_seg0_idx =
70 		channel + conf->secondary_channel * 2;
71 #else /* CONFIG_P2P */
72 	conf->vht_oper_centr_freq_seg0_idx =
73 		conf->channel + conf->secondary_channel * 2;
74 #endif /* CONFIG_P2P */
75 }
76 #endif /* CONFIG_IEEE80211N */
77 
78 
79 void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
80 			       struct wpa_ssid *ssid,
81 			       struct hostapd_config *conf)
82 {
83 	/* TODO: enable HT40 if driver supports it;
84 	 * drop to 11b if driver does not support 11g */
85 
86 #ifdef CONFIG_IEEE80211N
87 	/*
88 	 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
89 	 * and a mask of allowed capabilities within conf->ht_capab.
90 	 * Using default config settings for: conf->ht_op_mode_fixed,
91 	 * conf->secondary_channel, conf->require_ht
92 	 */
93 	if (wpa_s->hw.modes) {
94 		struct hostapd_hw_modes *mode = NULL;
95 		int i, no_ht = 0;
96 		for (i = 0; i < wpa_s->hw.num_modes; i++) {
97 			if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
98 				mode = &wpa_s->hw.modes[i];
99 				break;
100 			}
101 		}
102 
103 #ifdef CONFIG_HT_OVERRIDES
104 		if (ssid->disable_ht) {
105 			conf->ieee80211n = 0;
106 			conf->ht_capab = 0;
107 			no_ht = 1;
108 		}
109 #endif /* CONFIG_HT_OVERRIDES */
110 
111 		if (!no_ht && mode && mode->ht_capab) {
112 			conf->ieee80211n = 1;
113 #ifdef CONFIG_P2P
114 			if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
115 			    (mode->ht_capab &
116 			     HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
117 			    ssid->ht40)
118 				conf->secondary_channel =
119 					wpas_p2p_get_ht40_mode(wpa_s, mode,
120 							       conf->channel);
121 			if (conf->secondary_channel)
122 				conf->ht_capab |=
123 					HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
124 #endif /* CONFIG_P2P */
125 
126 			/*
127 			 * white-list capabilities that won't cause issues
128 			 * to connecting stations, while leaving the current
129 			 * capabilities intact (currently disabled SMPS).
130 			 */
131 			conf->ht_capab |= mode->ht_capab &
132 				(HT_CAP_INFO_GREEN_FIELD |
133 				 HT_CAP_INFO_SHORT_GI20MHZ |
134 				 HT_CAP_INFO_SHORT_GI40MHZ |
135 				 HT_CAP_INFO_RX_STBC_MASK |
136 				 HT_CAP_INFO_TX_STBC |
137 				 HT_CAP_INFO_MAX_AMSDU_SIZE);
138 
139 			if (mode->vht_capab && ssid->vht) {
140 				conf->ieee80211ac = 1;
141 				wpas_conf_ap_vht(wpa_s, conf, mode);
142 			}
143 		}
144 	}
145 #endif /* CONFIG_IEEE80211N */
146 }
147 
148 
149 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
150 				  struct wpa_ssid *ssid,
151 				  struct hostapd_config *conf)
152 {
153 	struct hostapd_bss_config *bss = conf->bss[0];
154 
155 	conf->driver = wpa_s->driver;
156 
157 	os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
158 
159 	conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
160 					       &conf->channel);
161 	if (conf->hw_mode == NUM_HOSTAPD_MODES) {
162 		wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
163 			   ssid->frequency);
164 		return -1;
165 	}
166 
167 	wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
168 
169 	if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
170 		conf->ieee80211h = 1;
171 		conf->ieee80211d = 1;
172 		conf->country[0] = wpa_s->conf->country[0];
173 		conf->country[1] = wpa_s->conf->country[1];
174 	}
175 
176 #ifdef CONFIG_P2P
177 	if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
178 	    (ssid->mode == WPAS_MODE_P2P_GO ||
179 	     ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
180 		/* Remove 802.11b rates from supported and basic rate sets */
181 		int *list = os_malloc(4 * sizeof(int));
182 		if (list) {
183 			list[0] = 60;
184 			list[1] = 120;
185 			list[2] = 240;
186 			list[3] = -1;
187 		}
188 		conf->basic_rates = list;
189 
190 		list = os_malloc(9 * sizeof(int));
191 		if (list) {
192 			list[0] = 60;
193 			list[1] = 90;
194 			list[2] = 120;
195 			list[3] = 180;
196 			list[4] = 240;
197 			list[5] = 360;
198 			list[6] = 480;
199 			list[7] = 540;
200 			list[8] = -1;
201 		}
202 		conf->supported_rates = list;
203 	}
204 
205 	bss->isolate = !wpa_s->conf->p2p_intra_bss;
206 	bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
207 
208 	if (ssid->p2p_group) {
209 		os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
210 		os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
211 			  4);
212 		os_memcpy(bss->ip_addr_start,
213 			  wpa_s->parent->conf->ip_addr_start, 4);
214 		os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
215 			  4);
216 	}
217 #endif /* CONFIG_P2P */
218 
219 	if (ssid->ssid_len == 0) {
220 		wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
221 		return -1;
222 	}
223 	os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
224 	bss->ssid.ssid_len = ssid->ssid_len;
225 	bss->ssid.ssid_set = 1;
226 
227 	bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
228 
229 	if (ssid->auth_alg)
230 		bss->auth_algs = ssid->auth_alg;
231 
232 	if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
233 		bss->wpa = ssid->proto;
234 	bss->wpa_key_mgmt = ssid->key_mgmt;
235 	bss->wpa_pairwise = ssid->pairwise_cipher;
236 	if (ssid->psk_set) {
237 		bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
238 		bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
239 		if (bss->ssid.wpa_psk == NULL)
240 			return -1;
241 		os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
242 		bss->ssid.wpa_psk->group = 1;
243 	} else if (ssid->passphrase) {
244 		bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
245 	} else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
246 		   ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
247 		struct hostapd_wep_keys *wep = &bss->ssid.wep;
248 		int i;
249 		for (i = 0; i < NUM_WEP_KEYS; i++) {
250 			if (ssid->wep_key_len[i] == 0)
251 				continue;
252 			wep->key[i] = os_malloc(ssid->wep_key_len[i]);
253 			if (wep->key[i] == NULL)
254 				return -1;
255 			os_memcpy(wep->key[i], ssid->wep_key[i],
256 				  ssid->wep_key_len[i]);
257 			wep->len[i] = ssid->wep_key_len[i];
258 		}
259 		wep->idx = ssid->wep_tx_keyidx;
260 		wep->keys_set = 1;
261 	}
262 
263 	if (ssid->ap_max_inactivity)
264 		bss->ap_max_inactivity = ssid->ap_max_inactivity;
265 
266 	if (ssid->dtim_period)
267 		bss->dtim_period = ssid->dtim_period;
268 	else if (wpa_s->conf->dtim_period)
269 		bss->dtim_period = wpa_s->conf->dtim_period;
270 
271 	if (ssid->beacon_int)
272 		conf->beacon_int = ssid->beacon_int;
273 	else if (wpa_s->conf->beacon_int)
274 		conf->beacon_int = wpa_s->conf->beacon_int;
275 
276 #ifdef CONFIG_P2P
277 	if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
278 		wpa_printf(MSG_INFO,
279 			   "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
280 			   wpa_s->conf->p2p_go_ctwindow, conf->beacon_int);
281 		conf->p2p_go_ctwindow = 0;
282 	} else {
283 		conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
284 	}
285 #endif /* CONFIG_P2P */
286 
287 	if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
288 		bss->rsn_pairwise = bss->wpa_pairwise;
289 	bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
290 						    bss->rsn_pairwise);
291 
292 	if (bss->wpa && bss->ieee802_1x)
293 		bss->ssid.security_policy = SECURITY_WPA;
294 	else if (bss->wpa)
295 		bss->ssid.security_policy = SECURITY_WPA_PSK;
296 	else if (bss->ieee802_1x) {
297 		int cipher = WPA_CIPHER_NONE;
298 		bss->ssid.security_policy = SECURITY_IEEE_802_1X;
299 		bss->ssid.wep.default_len = bss->default_wep_key_len;
300 		if (bss->default_wep_key_len)
301 			cipher = bss->default_wep_key_len >= 13 ?
302 				WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
303 		bss->wpa_group = cipher;
304 		bss->wpa_pairwise = cipher;
305 		bss->rsn_pairwise = cipher;
306 	} else if (bss->ssid.wep.keys_set) {
307 		int cipher = WPA_CIPHER_WEP40;
308 		if (bss->ssid.wep.len[0] >= 13)
309 			cipher = WPA_CIPHER_WEP104;
310 		bss->ssid.security_policy = SECURITY_STATIC_WEP;
311 		bss->wpa_group = cipher;
312 		bss->wpa_pairwise = cipher;
313 		bss->rsn_pairwise = cipher;
314 	} else {
315 		bss->ssid.security_policy = SECURITY_PLAINTEXT;
316 		bss->wpa_group = WPA_CIPHER_NONE;
317 		bss->wpa_pairwise = WPA_CIPHER_NONE;
318 		bss->rsn_pairwise = WPA_CIPHER_NONE;
319 	}
320 
321 	if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
322 	    (bss->wpa_group == WPA_CIPHER_CCMP ||
323 	     bss->wpa_group == WPA_CIPHER_GCMP ||
324 	     bss->wpa_group == WPA_CIPHER_CCMP_256 ||
325 	     bss->wpa_group == WPA_CIPHER_GCMP_256)) {
326 		/*
327 		 * Strong ciphers do not need frequent rekeying, so increase
328 		 * the default GTK rekeying period to 24 hours.
329 		 */
330 		bss->wpa_group_rekey = 86400;
331 	}
332 
333 #ifdef CONFIG_IEEE80211W
334 	if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
335 		bss->ieee80211w = ssid->ieee80211w;
336 #endif /* CONFIG_IEEE80211W */
337 
338 #ifdef CONFIG_WPS
339 	/*
340 	 * Enable WPS by default for open and WPA/WPA2-Personal network, but
341 	 * require user interaction to actually use it. Only the internal
342 	 * Registrar is supported.
343 	 */
344 	if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
345 	    bss->ssid.security_policy != SECURITY_PLAINTEXT)
346 		goto no_wps;
347 	if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
348 	    (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
349 	     !(bss->wpa & 2)))
350 		goto no_wps; /* WPS2 does not allow WPA/TKIP-only
351 			      * configuration */
352 	bss->eap_server = 1;
353 
354 	if (!ssid->ignore_broadcast_ssid)
355 		bss->wps_state = 2;
356 
357 	bss->ap_setup_locked = 2;
358 	if (wpa_s->conf->config_methods)
359 		bss->config_methods = os_strdup(wpa_s->conf->config_methods);
360 	os_memcpy(bss->device_type, wpa_s->conf->device_type,
361 		  WPS_DEV_TYPE_LEN);
362 	if (wpa_s->conf->device_name) {
363 		bss->device_name = os_strdup(wpa_s->conf->device_name);
364 		bss->friendly_name = os_strdup(wpa_s->conf->device_name);
365 	}
366 	if (wpa_s->conf->manufacturer)
367 		bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
368 	if (wpa_s->conf->model_name)
369 		bss->model_name = os_strdup(wpa_s->conf->model_name);
370 	if (wpa_s->conf->model_number)
371 		bss->model_number = os_strdup(wpa_s->conf->model_number);
372 	if (wpa_s->conf->serial_number)
373 		bss->serial_number = os_strdup(wpa_s->conf->serial_number);
374 	if (is_nil_uuid(wpa_s->conf->uuid))
375 		os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
376 	else
377 		os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
378 	os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
379 	bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
380 no_wps:
381 #endif /* CONFIG_WPS */
382 
383 	if (wpa_s->max_stations &&
384 	    wpa_s->max_stations < wpa_s->conf->max_num_sta)
385 		bss->max_num_sta = wpa_s->max_stations;
386 	else
387 		bss->max_num_sta = wpa_s->conf->max_num_sta;
388 
389 	bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
390 
391 	if (wpa_s->conf->ap_vendor_elements) {
392 		bss->vendor_elements =
393 			wpabuf_dup(wpa_s->conf->ap_vendor_elements);
394 	}
395 
396 	return 0;
397 }
398 
399 
400 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
401 {
402 #ifdef CONFIG_P2P
403 	struct wpa_supplicant *wpa_s = ctx;
404 	const struct ieee80211_mgmt *mgmt;
405 
406 	mgmt = (const struct ieee80211_mgmt *) buf;
407 	if (len < IEEE80211_HDRLEN + 1)
408 		return;
409 	if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
410 		return;
411 	wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
412 			   mgmt->u.action.category,
413 			   buf + IEEE80211_HDRLEN + 1,
414 			   len - IEEE80211_HDRLEN - 1, freq);
415 #endif /* CONFIG_P2P */
416 }
417 
418 
419 static void ap_wps_event_cb(void *ctx, enum wps_event event,
420 			    union wps_event_data *data)
421 {
422 #ifdef CONFIG_P2P
423 	struct wpa_supplicant *wpa_s = ctx;
424 
425 	if (event == WPS_EV_FAIL) {
426 		struct wps_event_fail *fail = &data->fail;
427 
428 		if (wpa_s->parent && wpa_s->parent != wpa_s &&
429 		    wpa_s == wpa_s->global->p2p_group_formation) {
430 			/*
431 			 * src/ap/wps_hostapd.c has already sent this on the
432 			 * main interface, so only send on the parent interface
433 			 * here if needed.
434 			 */
435 			wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
436 				"msg=%d config_error=%d",
437 				fail->msg, fail->config_error);
438 		}
439 		wpas_p2p_wps_failed(wpa_s, fail);
440 	}
441 #endif /* CONFIG_P2P */
442 }
443 
444 
445 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
446 				 int authorized, const u8 *p2p_dev_addr)
447 {
448 	wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
449 }
450 
451 
452 #ifdef CONFIG_P2P
453 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
454 			  const u8 *psk, size_t psk_len)
455 {
456 
457 	struct wpa_supplicant *wpa_s = ctx;
458 	if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
459 		return;
460 	wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
461 }
462 #endif /* CONFIG_P2P */
463 
464 
465 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
466 {
467 #ifdef CONFIG_P2P
468 	struct wpa_supplicant *wpa_s = ctx;
469 	const struct ieee80211_mgmt *mgmt;
470 
471 	mgmt = (const struct ieee80211_mgmt *) buf;
472 	if (len < IEEE80211_HDRLEN + 1)
473 		return -1;
474 	wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
475 			   mgmt->u.action.category,
476 			   buf + IEEE80211_HDRLEN + 1,
477 			   len - IEEE80211_HDRLEN - 1, freq);
478 #endif /* CONFIG_P2P */
479 	return 0;
480 }
481 
482 
483 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
484 			   const u8 *bssid, const u8 *ie, size_t ie_len,
485 			   int ssi_signal)
486 {
487 	struct wpa_supplicant *wpa_s = ctx;
488 	return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
489 				     ssi_signal);
490 }
491 
492 
493 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
494 				  const u8 *uuid_e)
495 {
496 	struct wpa_supplicant *wpa_s = ctx;
497 	wpas_p2p_wps_success(wpa_s, mac_addr, 1);
498 }
499 
500 
501 static void wpas_ap_configured_cb(void *ctx)
502 {
503 	struct wpa_supplicant *wpa_s = ctx;
504 
505 	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
506 
507 	if (wpa_s->ap_configured_cb)
508 		wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
509 					wpa_s->ap_configured_cb_data);
510 }
511 
512 
513 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
514 			     struct wpa_ssid *ssid)
515 {
516 	struct wpa_driver_associate_params params;
517 	struct hostapd_iface *hapd_iface;
518 	struct hostapd_config *conf;
519 	size_t i;
520 
521 	if (ssid->ssid == NULL || ssid->ssid_len == 0) {
522 		wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
523 		return -1;
524 	}
525 
526 	wpa_supplicant_ap_deinit(wpa_s);
527 
528 	wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
529 		   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
530 
531 	os_memset(&params, 0, sizeof(params));
532 	params.ssid = ssid->ssid;
533 	params.ssid_len = ssid->ssid_len;
534 	switch (ssid->mode) {
535 	case WPAS_MODE_AP:
536 	case WPAS_MODE_P2P_GO:
537 	case WPAS_MODE_P2P_GROUP_FORMATION:
538 		params.mode = IEEE80211_MODE_AP;
539 		break;
540 	default:
541 		return -1;
542 	}
543 	if (ssid->frequency == 0)
544 		ssid->frequency = 2462; /* default channel 11 */
545 	params.freq.freq = ssid->frequency;
546 
547 	params.wpa_proto = ssid->proto;
548 	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
549 		wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
550 	else
551 		wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
552 	params.key_mgmt_suite = wpa_s->key_mgmt;
553 
554 	wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
555 							  1);
556 	if (wpa_s->pairwise_cipher < 0) {
557 		wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
558 			   "cipher.");
559 		return -1;
560 	}
561 	params.pairwise_suite = wpa_s->pairwise_cipher;
562 	params.group_suite = params.pairwise_suite;
563 
564 #ifdef CONFIG_P2P
565 	if (ssid->mode == WPAS_MODE_P2P_GO ||
566 	    ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
567 		params.p2p = 1;
568 #endif /* CONFIG_P2P */
569 
570 	if (wpa_s->parent->set_ap_uapsd)
571 		params.uapsd = wpa_s->parent->ap_uapsd;
572 	else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
573 		params.uapsd = 1; /* mandatory for P2P GO */
574 	else
575 		params.uapsd = -1;
576 
577 	if (ieee80211_is_dfs(params.freq.freq))
578 		params.freq.freq = 0; /* set channel after CAC */
579 
580 	if (wpa_drv_associate(wpa_s, &params) < 0) {
581 		wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
582 		return -1;
583 	}
584 
585 	wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
586 	if (hapd_iface == NULL)
587 		return -1;
588 	hapd_iface->owner = wpa_s;
589 	hapd_iface->drv_flags = wpa_s->drv_flags;
590 	hapd_iface->smps_modes = wpa_s->drv_smps_modes;
591 	hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
592 	hapd_iface->extended_capa = wpa_s->extended_capa;
593 	hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
594 	hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
595 
596 	wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
597 	if (conf == NULL) {
598 		wpa_supplicant_ap_deinit(wpa_s);
599 		return -1;
600 	}
601 
602 	os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
603 		  wpa_s->conf->wmm_ac_params,
604 		  sizeof(wpa_s->conf->wmm_ac_params));
605 
606 	if (params.uapsd > 0) {
607 		conf->bss[0]->wmm_enabled = 1;
608 		conf->bss[0]->wmm_uapsd = 1;
609 	}
610 
611 	if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
612 		wpa_printf(MSG_ERROR, "Failed to create AP configuration");
613 		wpa_supplicant_ap_deinit(wpa_s);
614 		return -1;
615 	}
616 
617 #ifdef CONFIG_P2P
618 	if (ssid->mode == WPAS_MODE_P2P_GO)
619 		conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
620 	else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
621 		conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
622 			P2P_GROUP_FORMATION;
623 #endif /* CONFIG_P2P */
624 
625 	hapd_iface->num_bss = conf->num_bss;
626 	hapd_iface->bss = os_calloc(conf->num_bss,
627 				    sizeof(struct hostapd_data *));
628 	if (hapd_iface->bss == NULL) {
629 		wpa_supplicant_ap_deinit(wpa_s);
630 		return -1;
631 	}
632 
633 	for (i = 0; i < conf->num_bss; i++) {
634 		hapd_iface->bss[i] =
635 			hostapd_alloc_bss_data(hapd_iface, conf,
636 					       conf->bss[i]);
637 		if (hapd_iface->bss[i] == NULL) {
638 			wpa_supplicant_ap_deinit(wpa_s);
639 			return -1;
640 		}
641 
642 		hapd_iface->bss[i]->msg_ctx = wpa_s;
643 		hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
644 		hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
645 		hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
646 		hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
647 		hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
648 		hostapd_register_probereq_cb(hapd_iface->bss[i],
649 					     ap_probe_req_rx, wpa_s);
650 		hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
651 		hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
652 		hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
653 		hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
654 		hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
655 		hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
656 #ifdef CONFIG_P2P
657 		hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
658 		hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
659 		hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
660 		hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
661 								    ssid);
662 #endif /* CONFIG_P2P */
663 		hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
664 		hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
665 #ifdef CONFIG_TESTING_OPTIONS
666 		hapd_iface->bss[i]->ext_eapol_frame_io =
667 			wpa_s->ext_eapol_frame_io;
668 #endif /* CONFIG_TESTING_OPTIONS */
669 	}
670 
671 	os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
672 	hapd_iface->bss[0]->driver = wpa_s->driver;
673 	hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
674 
675 	wpa_s->current_ssid = ssid;
676 	eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
677 	os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
678 	wpa_s->assoc_freq = ssid->frequency;
679 
680 	if (hostapd_setup_interface(wpa_s->ap_iface)) {
681 		wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
682 		wpa_supplicant_ap_deinit(wpa_s);
683 		return -1;
684 	}
685 
686 	return 0;
687 }
688 
689 
690 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
691 {
692 #ifdef CONFIG_WPS
693 	eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
694 #endif /* CONFIG_WPS */
695 
696 	if (wpa_s->ap_iface == NULL)
697 		return;
698 
699 	wpa_s->current_ssid = NULL;
700 	eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
701 	wpa_s->assoc_freq = 0;
702 	wpas_p2p_ap_deinit(wpa_s);
703 	wpa_s->ap_iface->driver_ap_teardown =
704 		!!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
705 
706 	hostapd_interface_deinit(wpa_s->ap_iface);
707 	hostapd_interface_free(wpa_s->ap_iface);
708 	wpa_s->ap_iface = NULL;
709 	wpa_drv_deinit_ap(wpa_s);
710 	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
711 		" reason=%d locally_generated=1",
712 		MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
713 }
714 
715 
716 void ap_tx_status(void *ctx, const u8 *addr,
717 		  const u8 *buf, size_t len, int ack)
718 {
719 #ifdef NEED_AP_MLME
720 	struct wpa_supplicant *wpa_s = ctx;
721 	hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
722 #endif /* NEED_AP_MLME */
723 }
724 
725 
726 void ap_eapol_tx_status(void *ctx, const u8 *dst,
727 			const u8 *data, size_t len, int ack)
728 {
729 #ifdef NEED_AP_MLME
730 	struct wpa_supplicant *wpa_s = ctx;
731 	if (!wpa_s->ap_iface)
732 		return;
733 	hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
734 #endif /* NEED_AP_MLME */
735 }
736 
737 
738 void ap_client_poll_ok(void *ctx, const u8 *addr)
739 {
740 #ifdef NEED_AP_MLME
741 	struct wpa_supplicant *wpa_s = ctx;
742 	if (wpa_s->ap_iface)
743 		hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
744 #endif /* NEED_AP_MLME */
745 }
746 
747 
748 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
749 {
750 #ifdef NEED_AP_MLME
751 	struct wpa_supplicant *wpa_s = ctx;
752 	ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
753 #endif /* NEED_AP_MLME */
754 }
755 
756 
757 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
758 {
759 #ifdef NEED_AP_MLME
760 	struct wpa_supplicant *wpa_s = ctx;
761 	struct hostapd_frame_info fi;
762 	os_memset(&fi, 0, sizeof(fi));
763 	fi.datarate = rx_mgmt->datarate;
764 	fi.ssi_signal = rx_mgmt->ssi_signal;
765 	ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
766 			rx_mgmt->frame_len, &fi);
767 #endif /* NEED_AP_MLME */
768 }
769 
770 
771 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
772 {
773 #ifdef NEED_AP_MLME
774 	struct wpa_supplicant *wpa_s = ctx;
775 	ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
776 #endif /* NEED_AP_MLME */
777 }
778 
779 
780 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
781 				const u8 *src_addr, const u8 *buf, size_t len)
782 {
783 	ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
784 }
785 
786 
787 #ifdef CONFIG_WPS
788 
789 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
790 			      const u8 *p2p_dev_addr)
791 {
792 	if (!wpa_s->ap_iface)
793 		return -1;
794 	return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
795 					 p2p_dev_addr);
796 }
797 
798 
799 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
800 {
801 	struct wps_registrar *reg;
802 	int reg_sel = 0, wps_sta = 0;
803 
804 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
805 		return -1;
806 
807 	reg = wpa_s->ap_iface->bss[0]->wps->registrar;
808 	reg_sel = wps_registrar_wps_cancel(reg);
809 	wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
810 				  ap_sta_wps_cancel, NULL);
811 
812 	if (!reg_sel && !wps_sta) {
813 		wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
814 			   "time");
815 		return -1;
816 	}
817 
818 	/*
819 	 * There are 2 cases to return wps cancel as success:
820 	 * 1. When wps cancel was initiated but no connection has been
821 	 *    established with client yet.
822 	 * 2. Client is in the middle of exchanging WPS messages.
823 	 */
824 
825 	return 0;
826 }
827 
828 
829 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
830 			      const char *pin, char *buf, size_t buflen,
831 			      int timeout)
832 {
833 	int ret, ret_len = 0;
834 
835 	if (!wpa_s->ap_iface)
836 		return -1;
837 
838 	if (pin == NULL) {
839 		unsigned int rpin = wps_generate_pin();
840 		ret_len = os_snprintf(buf, buflen, "%08d", rpin);
841 		if (os_snprintf_error(buflen, ret_len))
842 			return -1;
843 		pin = buf;
844 	} else if (buf) {
845 		ret_len = os_snprintf(buf, buflen, "%s", pin);
846 		if (os_snprintf_error(buflen, ret_len))
847 			return -1;
848 	}
849 
850 	ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
851 				  timeout);
852 	if (ret)
853 		return -1;
854 	return ret_len;
855 }
856 
857 
858 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
859 {
860 	struct wpa_supplicant *wpa_s = eloop_data;
861 	wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
862 	wpas_wps_ap_pin_disable(wpa_s);
863 }
864 
865 
866 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
867 {
868 	struct hostapd_data *hapd;
869 
870 	if (wpa_s->ap_iface == NULL)
871 		return;
872 	hapd = wpa_s->ap_iface->bss[0];
873 	wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
874 	hapd->ap_pin_failures = 0;
875 	eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
876 	if (timeout > 0)
877 		eloop_register_timeout(timeout, 0,
878 				       wpas_wps_ap_pin_timeout, wpa_s, NULL);
879 }
880 
881 
882 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
883 {
884 	struct hostapd_data *hapd;
885 
886 	if (wpa_s->ap_iface == NULL)
887 		return;
888 	wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
889 	hapd = wpa_s->ap_iface->bss[0];
890 	os_free(hapd->conf->ap_pin);
891 	hapd->conf->ap_pin = NULL;
892 	eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
893 }
894 
895 
896 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
897 {
898 	struct hostapd_data *hapd;
899 	unsigned int pin;
900 	char pin_txt[9];
901 
902 	if (wpa_s->ap_iface == NULL)
903 		return NULL;
904 	hapd = wpa_s->ap_iface->bss[0];
905 	pin = wps_generate_pin();
906 	os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
907 	os_free(hapd->conf->ap_pin);
908 	hapd->conf->ap_pin = os_strdup(pin_txt);
909 	if (hapd->conf->ap_pin == NULL)
910 		return NULL;
911 	wpas_wps_ap_pin_enable(wpa_s, timeout);
912 
913 	return hapd->conf->ap_pin;
914 }
915 
916 
917 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
918 {
919 	struct hostapd_data *hapd;
920 	if (wpa_s->ap_iface == NULL)
921 		return NULL;
922 	hapd = wpa_s->ap_iface->bss[0];
923 	return hapd->conf->ap_pin;
924 }
925 
926 
927 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
928 			int timeout)
929 {
930 	struct hostapd_data *hapd;
931 	char pin_txt[9];
932 	int ret;
933 
934 	if (wpa_s->ap_iface == NULL)
935 		return -1;
936 	hapd = wpa_s->ap_iface->bss[0];
937 	ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
938 	if (os_snprintf_error(sizeof(pin_txt), ret))
939 		return -1;
940 	os_free(hapd->conf->ap_pin);
941 	hapd->conf->ap_pin = os_strdup(pin_txt);
942 	if (hapd->conf->ap_pin == NULL)
943 		return -1;
944 	wpas_wps_ap_pin_enable(wpa_s, timeout);
945 
946 	return 0;
947 }
948 
949 
950 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
951 {
952 	struct hostapd_data *hapd;
953 
954 	if (wpa_s->ap_iface == NULL)
955 		return;
956 	hapd = wpa_s->ap_iface->bss[0];
957 
958 	/*
959 	 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
960 	 * PIN if this happens multiple times to slow down brute force attacks.
961 	 */
962 	hapd->ap_pin_failures++;
963 	wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
964 		   hapd->ap_pin_failures);
965 	if (hapd->ap_pin_failures < 3)
966 		return;
967 
968 	wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
969 	hapd->ap_pin_failures = 0;
970 	os_free(hapd->conf->ap_pin);
971 	hapd->conf->ap_pin = NULL;
972 }
973 
974 
975 #ifdef CONFIG_WPS_NFC
976 
977 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
978 					     int ndef)
979 {
980 	struct hostapd_data *hapd;
981 
982 	if (wpa_s->ap_iface == NULL)
983 		return NULL;
984 	hapd = wpa_s->ap_iface->bss[0];
985 	return hostapd_wps_nfc_config_token(hapd, ndef);
986 }
987 
988 
989 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
990 					     int ndef)
991 {
992 	struct hostapd_data *hapd;
993 
994 	if (wpa_s->ap_iface == NULL)
995 		return NULL;
996 	hapd = wpa_s->ap_iface->bss[0];
997 	return hostapd_wps_nfc_hs_cr(hapd, ndef);
998 }
999 
1000 
1001 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1002 				    const struct wpabuf *req,
1003 				    const struct wpabuf *sel)
1004 {
1005 	struct hostapd_data *hapd;
1006 
1007 	if (wpa_s->ap_iface == NULL)
1008 		return -1;
1009 	hapd = wpa_s->ap_iface->bss[0];
1010 	return hostapd_wps_nfc_report_handover(hapd, req, sel);
1011 }
1012 
1013 #endif /* CONFIG_WPS_NFC */
1014 
1015 #endif /* CONFIG_WPS */
1016 
1017 
1018 #ifdef CONFIG_CTRL_IFACE
1019 
1020 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1021 			    char *buf, size_t buflen)
1022 {
1023 	struct hostapd_data *hapd;
1024 
1025 	if (wpa_s->ap_iface)
1026 		hapd = wpa_s->ap_iface->bss[0];
1027 	else if (wpa_s->ifmsh)
1028 		hapd = wpa_s->ifmsh->bss[0];
1029 	else
1030 		return -1;
1031 	return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1032 }
1033 
1034 
1035 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1036 		      char *buf, size_t buflen)
1037 {
1038 	struct hostapd_data *hapd;
1039 
1040 	if (wpa_s->ap_iface)
1041 		hapd = wpa_s->ap_iface->bss[0];
1042 	else if (wpa_s->ifmsh)
1043 		hapd = wpa_s->ifmsh->bss[0];
1044 	else
1045 		return -1;
1046 	return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1047 }
1048 
1049 
1050 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1051 			   char *buf, size_t buflen)
1052 {
1053 	struct hostapd_data *hapd;
1054 
1055 	if (wpa_s->ap_iface)
1056 		hapd = wpa_s->ap_iface->bss[0];
1057 	else if (wpa_s->ifmsh)
1058 		hapd = wpa_s->ifmsh->bss[0];
1059 	else
1060 		return -1;
1061 	return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1062 }
1063 
1064 
1065 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1066 				   const char *txtaddr)
1067 {
1068 	if (wpa_s->ap_iface == NULL)
1069 		return -1;
1070 	return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1071 					       txtaddr);
1072 }
1073 
1074 
1075 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1076 				     const char *txtaddr)
1077 {
1078 	if (wpa_s->ap_iface == NULL)
1079 		return -1;
1080 	return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1081 						 txtaddr);
1082 }
1083 
1084 
1085 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1086 				 size_t buflen, int verbose)
1087 {
1088 	char *pos = buf, *end = buf + buflen;
1089 	int ret;
1090 	struct hostapd_bss_config *conf;
1091 
1092 	if (wpa_s->ap_iface == NULL)
1093 		return -1;
1094 
1095 	conf = wpa_s->ap_iface->bss[0]->conf;
1096 	if (conf->wpa == 0)
1097 		return 0;
1098 
1099 	ret = os_snprintf(pos, end - pos,
1100 			  "pairwise_cipher=%s\n"
1101 			  "group_cipher=%s\n"
1102 			  "key_mgmt=%s\n",
1103 			  wpa_cipher_txt(conf->rsn_pairwise),
1104 			  wpa_cipher_txt(conf->wpa_group),
1105 			  wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1106 					   conf->wpa));
1107 	if (os_snprintf_error(end - pos, ret))
1108 		return pos - buf;
1109 	pos += ret;
1110 	return pos - buf;
1111 }
1112 
1113 #endif /* CONFIG_CTRL_IFACE */
1114 
1115 
1116 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1117 {
1118 	struct hostapd_iface *iface = wpa_s->ap_iface;
1119 	struct wpa_ssid *ssid = wpa_s->current_ssid;
1120 	struct hostapd_data *hapd;
1121 
1122 	if (ssid == NULL || wpa_s->ap_iface == NULL ||
1123 	    ssid->mode == WPAS_MODE_INFRA ||
1124 	    ssid->mode == WPAS_MODE_IBSS)
1125 		return -1;
1126 
1127 #ifdef CONFIG_P2P
1128 	if (ssid->mode == WPAS_MODE_P2P_GO)
1129 		iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1130 	else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1131 		iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1132 			P2P_GROUP_FORMATION;
1133 #endif /* CONFIG_P2P */
1134 
1135 	hapd = iface->bss[0];
1136 	if (hapd->drv_priv == NULL)
1137 		return -1;
1138 	ieee802_11_set_beacons(iface);
1139 	hostapd_set_ap_wps_ie(hapd);
1140 
1141 	return 0;
1142 }
1143 
1144 
1145 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1146 		      struct csa_settings *settings)
1147 {
1148 #ifdef NEED_AP_MLME
1149 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1150 		return -1;
1151 
1152 	return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1153 #else /* NEED_AP_MLME */
1154 	return -1;
1155 #endif /* NEED_AP_MLME */
1156 }
1157 
1158 
1159 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1160 {
1161 	struct csa_settings settings;
1162 	int ret = hostapd_parse_csa_settings(pos, &settings);
1163 
1164 	if (ret)
1165 		return ret;
1166 
1167 	return ap_switch_channel(wpa_s, &settings);
1168 }
1169 
1170 
1171 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1172 		       int offset, int width, int cf1, int cf2)
1173 {
1174 	if (!wpa_s->ap_iface)
1175 		return;
1176 
1177 	wpa_s->assoc_freq = freq;
1178 	hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1179 }
1180 
1181 
1182 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1183 				      const u8 *addr)
1184 {
1185 	struct hostapd_data *hapd;
1186 	struct hostapd_bss_config *conf;
1187 
1188 	if (!wpa_s->ap_iface)
1189 		return -1;
1190 
1191 	if (addr)
1192 		wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1193 			   MAC2STR(addr));
1194 	else
1195 		wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1196 
1197 	hapd = wpa_s->ap_iface->bss[0];
1198 	conf = hapd->conf;
1199 
1200 	os_free(conf->accept_mac);
1201 	conf->accept_mac = NULL;
1202 	conf->num_accept_mac = 0;
1203 	os_free(conf->deny_mac);
1204 	conf->deny_mac = NULL;
1205 	conf->num_deny_mac = 0;
1206 
1207 	if (addr == NULL) {
1208 		conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1209 		return 0;
1210 	}
1211 
1212 	conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1213 	conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1214 	if (conf->accept_mac == NULL)
1215 		return -1;
1216 	os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1217 	conf->num_accept_mac = 1;
1218 
1219 	return 0;
1220 }
1221 
1222 
1223 #ifdef CONFIG_WPS_NFC
1224 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1225 			   const struct wpabuf *pw, const u8 *pubkey_hash)
1226 {
1227 	struct hostapd_data *hapd;
1228 	struct wps_context *wps;
1229 
1230 	if (!wpa_s->ap_iface)
1231 		return -1;
1232 	hapd = wpa_s->ap_iface->bss[0];
1233 	wps = hapd->wps;
1234 
1235 	if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1236 	    wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1237 		wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1238 		return -1;
1239 	}
1240 
1241 	dh5_free(wps->dh_ctx);
1242 	wpabuf_free(wps->dh_pubkey);
1243 	wpabuf_free(wps->dh_privkey);
1244 	wps->dh_privkey = wpabuf_dup(
1245 		wpa_s->parent->conf->wps_nfc_dh_privkey);
1246 	wps->dh_pubkey = wpabuf_dup(
1247 		wpa_s->parent->conf->wps_nfc_dh_pubkey);
1248 	if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1249 		wps->dh_ctx = NULL;
1250 		wpabuf_free(wps->dh_pubkey);
1251 		wps->dh_pubkey = NULL;
1252 		wpabuf_free(wps->dh_privkey);
1253 		wps->dh_privkey = NULL;
1254 		return -1;
1255 	}
1256 	wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1257 	if (wps->dh_ctx == NULL)
1258 		return -1;
1259 
1260 	return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1261 					      pw_id,
1262 					      pw ? wpabuf_head(pw) : NULL,
1263 					      pw ? wpabuf_len(pw) : 0, 1);
1264 }
1265 #endif /* CONFIG_WPS_NFC */
1266 
1267 
1268 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1269 {
1270 	struct hostapd_data *hapd;
1271 
1272 	if (!wpa_s->ap_iface)
1273 		return -1;
1274 	hapd = wpa_s->ap_iface->bss[0];
1275 	return hostapd_ctrl_iface_stop_ap(hapd);
1276 }
1277 
1278 
1279 #ifdef NEED_AP_MLME
1280 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1281 				   struct dfs_event *radar)
1282 {
1283 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1284 		return;
1285 	wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1286 	hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1287 				   radar->ht_enabled, radar->chan_offset,
1288 				   radar->chan_width,
1289 				   radar->cf1, radar->cf2);
1290 }
1291 
1292 
1293 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1294 				struct dfs_event *radar)
1295 {
1296 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1297 		return;
1298 	wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1299 	hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1300 			      radar->ht_enabled, radar->chan_offset,
1301 			      radar->chan_width, radar->cf1, radar->cf2);
1302 }
1303 
1304 
1305 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1306 				 struct dfs_event *radar)
1307 {
1308 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1309 		return;
1310 	wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1311 	hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1312 				 radar->ht_enabled, radar->chan_offset,
1313 				 radar->chan_width, radar->cf1, radar->cf2);
1314 }
1315 
1316 
1317 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1318 				struct dfs_event *radar)
1319 {
1320 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1321 		return;
1322 	wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1323 	hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1324 				 radar->ht_enabled, radar->chan_offset,
1325 				 radar->chan_width, radar->cf1, radar->cf2);
1326 }
1327 
1328 
1329 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1330 				     struct dfs_event *radar)
1331 {
1332 	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1333 		return;
1334 	wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1335 	hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1336 				 radar->ht_enabled, radar->chan_offset,
1337 				 radar->chan_width, radar->cf1, radar->cf2);
1338 }
1339 #endif /* NEED_AP_MLME */
1340