ap.c revision cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50e
1c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath/*
2c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * WPA Supplicant - Basic AP mode support routines
3c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * Copyright (c) 2009, Atheros Communications
5c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath *
6c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * 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 "wps/wps.h"
30#include "common/ieee802_11_defs.h"
31#include "config_ssid.h"
32#include "config.h"
33#include "wpa_supplicant_i.h"
34#include "driver_i.h"
35#include "p2p_supplicant.h"
36#include "ap.h"
37#include "ap/sta_info.h"
38#include "notify.h"
39
40
41#ifdef CONFIG_WPS
42static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
43#endif /* CONFIG_WPS */
44
45
46#ifdef CONFIG_IEEE80211N
47static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
48			     struct hostapd_config *conf,
49			     struct hostapd_hw_modes *mode)
50{
51	u8 center_chan = 0;
52	u8 channel = conf->channel;
53
54	if (!conf->secondary_channel)
55		goto no_vht;
56
57	center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
58	if (!center_chan)
59		goto no_vht;
60
61	/* Use 80 MHz channel */
62	conf->vht_oper_chwidth = 1;
63	conf->vht_oper_centr_freq_seg0_idx = center_chan;
64	return;
65
66no_vht:
67	conf->vht_oper_centr_freq_seg0_idx =
68		channel + conf->secondary_channel * 2;
69}
70#endif /* CONFIG_IEEE80211N */
71
72
73static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
74				  struct wpa_ssid *ssid,
75				  struct hostapd_config *conf)
76{
77	struct hostapd_bss_config *bss = conf->bss[0];
78
79	conf->driver = wpa_s->driver;
80
81	os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
82
83	conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
84					       &conf->channel);
85	if (conf->hw_mode == NUM_HOSTAPD_MODES) {
86		wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
87			   ssid->frequency);
88		return -1;
89	}
90
91	/* TODO: enable HT40 if driver supports it;
92	 * drop to 11b if driver does not support 11g */
93
94#ifdef CONFIG_IEEE80211N
95	/*
96	 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
97	 * and a mask of allowed capabilities within conf->ht_capab.
98	 * Using default config settings for: conf->ht_op_mode_fixed,
99	 * conf->secondary_channel, conf->require_ht
100	 */
101	if (wpa_s->hw.modes) {
102		struct hostapd_hw_modes *mode = NULL;
103		int i, no_ht = 0;
104		for (i = 0; i < wpa_s->hw.num_modes; i++) {
105			if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
106				mode = &wpa_s->hw.modes[i];
107				break;
108			}
109		}
110
111#ifdef CONFIG_HT_OVERRIDES
112		if (ssid->disable_ht) {
113			conf->ieee80211n = 0;
114			conf->ht_capab = 0;
115			no_ht = 1;
116		}
117#endif /* CONFIG_HT_OVERRIDES */
118
119		if (!no_ht && mode && mode->ht_capab) {
120			conf->ieee80211n = 1;
121#ifdef CONFIG_P2P
122			if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
123			    (mode->ht_capab &
124			     HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
125			    ssid->ht40)
126				conf->secondary_channel =
127					wpas_p2p_get_ht40_mode(wpa_s, mode,
128							       conf->channel);
129			if (conf->secondary_channel)
130				conf->ht_capab |=
131					HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
132#endif /* CONFIG_P2P */
133
134			/*
135			 * white-list capabilities that won't cause issues
136			 * to connecting stations, while leaving the current
137			 * capabilities intact (currently disabled SMPS).
138			 */
139			conf->ht_capab |= mode->ht_capab &
140				(HT_CAP_INFO_GREEN_FIELD |
141				 HT_CAP_INFO_SHORT_GI20MHZ |
142				 HT_CAP_INFO_SHORT_GI40MHZ |
143				 HT_CAP_INFO_RX_STBC_MASK |
144				 HT_CAP_INFO_MAX_AMSDU_SIZE);
145
146			if (mode->vht_capab && ssid->vht) {
147				conf->ieee80211ac = 1;
148				wpas_conf_ap_vht(wpa_s, conf, mode);
149			}
150		}
151	}
152#endif /* CONFIG_IEEE80211N */
153
154#ifdef CONFIG_P2P
155	if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
156	    (ssid->mode == WPAS_MODE_P2P_GO ||
157	     ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
158		/* Remove 802.11b rates from supported and basic rate sets */
159		int *list = os_malloc(4 * sizeof(int));
160		if (list) {
161			list[0] = 60;
162			list[1] = 120;
163			list[2] = 240;
164			list[3] = -1;
165		}
166		conf->basic_rates = list;
167
168		list = os_malloc(9 * sizeof(int));
169		if (list) {
170			list[0] = 60;
171			list[1] = 90;
172			list[2] = 120;
173			list[3] = 180;
174			list[4] = 240;
175			list[5] = 360;
176			list[6] = 480;
177			list[7] = 540;
178			list[8] = -1;
179		}
180		conf->supported_rates = list;
181	}
182
183	bss->isolate = !wpa_s->conf->p2p_intra_bss;
184	bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
185
186	if (ssid->p2p_group) {
187		os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
188		os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
189			  4);
190		os_memcpy(bss->ip_addr_start,
191			  wpa_s->parent->conf->ip_addr_start, 4);
192		os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
193			  4);
194	}
195#endif /* CONFIG_P2P */
196
197	if (ssid->ssid_len == 0) {
198		wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
199		return -1;
200	}
201	os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
202	bss->ssid.ssid_len = ssid->ssid_len;
203	bss->ssid.ssid_set = 1;
204
205	bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
206
207	if (ssid->auth_alg)
208		bss->auth_algs = ssid->auth_alg;
209
210	if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
211		bss->wpa = ssid->proto;
212	bss->wpa_key_mgmt = ssid->key_mgmt;
213	bss->wpa_pairwise = ssid->pairwise_cipher;
214	if (ssid->psk_set) {
215		os_free(bss->ssid.wpa_psk);
216		bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
217		if (bss->ssid.wpa_psk == NULL)
218			return -1;
219		os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
220		bss->ssid.wpa_psk->group = 1;
221	} else if (ssid->passphrase) {
222		bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
223	} else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
224		   ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
225		struct hostapd_wep_keys *wep = &bss->ssid.wep;
226		int i;
227		for (i = 0; i < NUM_WEP_KEYS; i++) {
228			if (ssid->wep_key_len[i] == 0)
229				continue;
230			wep->key[i] = os_malloc(ssid->wep_key_len[i]);
231			if (wep->key[i] == NULL)
232				return -1;
233			os_memcpy(wep->key[i], ssid->wep_key[i],
234				  ssid->wep_key_len[i]);
235			wep->len[i] = ssid->wep_key_len[i];
236		}
237		wep->idx = ssid->wep_tx_keyidx;
238		wep->keys_set = 1;
239	}
240
241	if (ssid->ap_max_inactivity)
242		bss->ap_max_inactivity = ssid->ap_max_inactivity;
243
244	if (ssid->dtim_period)
245		bss->dtim_period = ssid->dtim_period;
246	else if (wpa_s->conf->dtim_period)
247		bss->dtim_period = wpa_s->conf->dtim_period;
248
249	if (ssid->beacon_int)
250		conf->beacon_int = ssid->beacon_int;
251	else if (wpa_s->conf->beacon_int)
252		conf->beacon_int = wpa_s->conf->beacon_int;
253
254	if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
255		bss->rsn_pairwise = bss->wpa_pairwise;
256	bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
257						    bss->rsn_pairwise);
258
259	if (bss->wpa && bss->ieee802_1x)
260		bss->ssid.security_policy = SECURITY_WPA;
261	else if (bss->wpa)
262		bss->ssid.security_policy = SECURITY_WPA_PSK;
263	else if (bss->ieee802_1x) {
264		int cipher = WPA_CIPHER_NONE;
265		bss->ssid.security_policy = SECURITY_IEEE_802_1X;
266		bss->ssid.wep.default_len = bss->default_wep_key_len;
267		if (bss->default_wep_key_len)
268			cipher = bss->default_wep_key_len >= 13 ?
269				WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
270		bss->wpa_group = cipher;
271		bss->wpa_pairwise = cipher;
272		bss->rsn_pairwise = cipher;
273	} else if (bss->ssid.wep.keys_set) {
274		int cipher = WPA_CIPHER_WEP40;
275		if (bss->ssid.wep.len[0] >= 13)
276			cipher = WPA_CIPHER_WEP104;
277		bss->ssid.security_policy = SECURITY_STATIC_WEP;
278		bss->wpa_group = cipher;
279		bss->wpa_pairwise = cipher;
280		bss->rsn_pairwise = cipher;
281	} else {
282		bss->ssid.security_policy = SECURITY_PLAINTEXT;
283		bss->wpa_group = WPA_CIPHER_NONE;
284		bss->wpa_pairwise = WPA_CIPHER_NONE;
285		bss->rsn_pairwise = WPA_CIPHER_NONE;
286	}
287
288	if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
289	    (bss->wpa_group == WPA_CIPHER_CCMP ||
290	     bss->wpa_group == WPA_CIPHER_GCMP ||
291	     bss->wpa_group == WPA_CIPHER_CCMP_256 ||
292	     bss->wpa_group == WPA_CIPHER_GCMP_256)) {
293		/*
294		 * Strong ciphers do not need frequent rekeying, so increase
295		 * the default GTK rekeying period to 24 hours.
296		 */
297		bss->wpa_group_rekey = 86400;
298	}
299
300#ifdef CONFIG_WPS
301	/*
302	 * Enable WPS by default for open and WPA/WPA2-Personal network, but
303	 * require user interaction to actually use it. Only the internal
304	 * Registrar is supported.
305	 */
306	if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
307	    bss->ssid.security_policy != SECURITY_PLAINTEXT)
308		goto no_wps;
309#ifdef CONFIG_WPS2
310	if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
311	    (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
312		goto no_wps; /* WPS2 does not allow WPA/TKIP-only
313			      * configuration */
314#endif /* CONFIG_WPS2 */
315	bss->eap_server = 1;
316
317	if (!ssid->ignore_broadcast_ssid)
318		bss->wps_state = 2;
319
320	bss->ap_setup_locked = 2;
321	if (wpa_s->conf->config_methods)
322		bss->config_methods = os_strdup(wpa_s->conf->config_methods);
323	os_memcpy(bss->device_type, wpa_s->conf->device_type,
324		  WPS_DEV_TYPE_LEN);
325	if (wpa_s->conf->device_name) {
326		bss->device_name = os_strdup(wpa_s->conf->device_name);
327		bss->friendly_name = os_strdup(wpa_s->conf->device_name);
328	}
329	if (wpa_s->conf->manufacturer)
330		bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
331	if (wpa_s->conf->model_name)
332		bss->model_name = os_strdup(wpa_s->conf->model_name);
333	if (wpa_s->conf->model_number)
334		bss->model_number = os_strdup(wpa_s->conf->model_number);
335	if (wpa_s->conf->serial_number)
336		bss->serial_number = os_strdup(wpa_s->conf->serial_number);
337	if (is_nil_uuid(wpa_s->conf->uuid))
338		os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
339	else
340		os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
341	os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
342	bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
343no_wps:
344#endif /* CONFIG_WPS */
345
346	if (wpa_s->max_stations &&
347	    wpa_s->max_stations < wpa_s->conf->max_num_sta)
348		bss->max_num_sta = wpa_s->max_stations;
349	else
350		bss->max_num_sta = wpa_s->conf->max_num_sta;
351
352	bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
353
354	if (wpa_s->conf->ap_vendor_elements) {
355		bss->vendor_elements =
356			wpabuf_dup(wpa_s->conf->ap_vendor_elements);
357	}
358
359	return 0;
360}
361
362
363static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
364{
365#ifdef CONFIG_P2P
366	struct wpa_supplicant *wpa_s = ctx;
367	const struct ieee80211_mgmt *mgmt;
368	size_t hdr_len;
369
370	mgmt = (const struct ieee80211_mgmt *) buf;
371	hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
372	if (hdr_len > len)
373		return;
374	if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
375		return;
376	wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
377			   mgmt->u.action.category,
378			   &mgmt->u.action.u.vs_public_action.action,
379			   len - hdr_len, freq);
380#endif /* CONFIG_P2P */
381}
382
383
384static void ap_wps_event_cb(void *ctx, enum wps_event event,
385			    union wps_event_data *data)
386{
387#ifdef CONFIG_P2P
388	struct wpa_supplicant *wpa_s = ctx;
389
390	if (event == WPS_EV_FAIL) {
391		struct wps_event_fail *fail = &data->fail;
392
393		if (wpa_s->parent && wpa_s->parent != wpa_s &&
394		    wpa_s == wpa_s->global->p2p_group_formation) {
395			/*
396			 * src/ap/wps_hostapd.c has already sent this on the
397			 * main interface, so only send on the parent interface
398			 * here if needed.
399			 */
400			wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
401				"msg=%d config_error=%d",
402				fail->msg, fail->config_error);
403		}
404		wpas_p2p_wps_failed(wpa_s, fail);
405	}
406#endif /* CONFIG_P2P */
407}
408
409
410static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
411				 int authorized, const u8 *p2p_dev_addr)
412{
413	wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
414}
415
416
417#ifdef CONFIG_P2P
418static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
419			  const u8 *psk, size_t psk_len)
420{
421
422	struct wpa_supplicant *wpa_s = ctx;
423	if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
424		return;
425	wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
426}
427#endif /* CONFIG_P2P */
428
429
430static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
431{
432#ifdef CONFIG_P2P
433	struct wpa_supplicant *wpa_s = ctx;
434	const struct ieee80211_mgmt *mgmt;
435	size_t hdr_len;
436
437	mgmt = (const struct ieee80211_mgmt *) buf;
438	hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
439	if (hdr_len > len)
440		return -1;
441	wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
442			   mgmt->u.action.category,
443			   &mgmt->u.action.u.vs_public_action.action,
444			   len - hdr_len, freq);
445#endif /* CONFIG_P2P */
446	return 0;
447}
448
449
450static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
451			   const u8 *bssid, const u8 *ie, size_t ie_len,
452			   int ssi_signal)
453{
454#ifdef CONFIG_P2P
455	struct wpa_supplicant *wpa_s = ctx;
456	return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
457				     ssi_signal);
458#else /* CONFIG_P2P */
459	return 0;
460#endif /* CONFIG_P2P */
461}
462
463
464static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
465				  const u8 *uuid_e)
466{
467#ifdef CONFIG_P2P
468	struct wpa_supplicant *wpa_s = ctx;
469	wpas_p2p_wps_success(wpa_s, mac_addr, 1);
470#endif /* CONFIG_P2P */
471}
472
473
474static void wpas_ap_configured_cb(void *ctx)
475{
476	struct wpa_supplicant *wpa_s = ctx;
477
478	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
479
480	if (wpa_s->ap_configured_cb)
481		wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
482					wpa_s->ap_configured_cb_data);
483}
484
485
486int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
487			     struct wpa_ssid *ssid)
488{
489	struct wpa_driver_associate_params params;
490	struct hostapd_iface *hapd_iface;
491	struct hostapd_config *conf;
492	size_t i;
493
494	if (ssid->ssid == NULL || ssid->ssid_len == 0) {
495		wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
496		return -1;
497	}
498
499	wpa_supplicant_ap_deinit(wpa_s);
500
501	wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
502		   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
503
504	os_memset(&params, 0, sizeof(params));
505	params.ssid = ssid->ssid;
506	params.ssid_len = ssid->ssid_len;
507	switch (ssid->mode) {
508	case WPAS_MODE_INFRA:
509		params.mode = IEEE80211_MODE_INFRA;
510		break;
511	case WPAS_MODE_IBSS:
512		params.mode = IEEE80211_MODE_IBSS;
513		break;
514	case WPAS_MODE_AP:
515	case WPAS_MODE_P2P_GO:
516	case WPAS_MODE_P2P_GROUP_FORMATION:
517		params.mode = IEEE80211_MODE_AP;
518		break;
519	}
520	if (ssid->frequency == 0)
521		ssid->frequency = 2462; /* default channel 11 */
522	params.freq = ssid->frequency;
523
524	params.wpa_proto = ssid->proto;
525	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
526		wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
527	else
528		wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
529	params.key_mgmt_suite = wpa_s->key_mgmt;
530
531	wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
532							  1);
533	if (wpa_s->pairwise_cipher < 0) {
534		wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
535			   "cipher.");
536		return -1;
537	}
538	params.pairwise_suite = wpa_s->pairwise_cipher;
539	params.group_suite = params.pairwise_suite;
540
541#ifdef CONFIG_P2P
542	if (ssid->mode == WPAS_MODE_P2P_GO ||
543	    ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
544		params.p2p = 1;
545#endif /* CONFIG_P2P */
546
547	if (wpa_s->parent->set_ap_uapsd)
548		params.uapsd = wpa_s->parent->ap_uapsd;
549	else
550		params.uapsd = -1;
551
552	if (wpa_drv_associate(wpa_s, &params) < 0) {
553		wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
554		return -1;
555	}
556
557	wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
558	if (hapd_iface == NULL)
559		return -1;
560	hapd_iface->owner = wpa_s;
561	hapd_iface->drv_flags = wpa_s->drv_flags;
562	hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
563	hapd_iface->extended_capa = wpa_s->extended_capa;
564	hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
565	hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
566
567	wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
568	if (conf == NULL) {
569		wpa_supplicant_ap_deinit(wpa_s);
570		return -1;
571	}
572
573	os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
574		  wpa_s->conf->wmm_ac_params,
575		  sizeof(wpa_s->conf->wmm_ac_params));
576
577	if (params.uapsd > 0) {
578		conf->bss[0]->wmm_enabled = 1;
579		conf->bss[0]->wmm_uapsd = 1;
580	}
581
582	if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
583		wpa_printf(MSG_ERROR, "Failed to create AP configuration");
584		wpa_supplicant_ap_deinit(wpa_s);
585		return -1;
586	}
587
588#ifdef CONFIG_P2P
589	if (ssid->mode == WPAS_MODE_P2P_GO)
590		conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
591	else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
592		conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
593			P2P_GROUP_FORMATION;
594#endif /* CONFIG_P2P */
595
596	hapd_iface->num_bss = conf->num_bss;
597	hapd_iface->bss = os_calloc(conf->num_bss,
598				    sizeof(struct hostapd_data *));
599	if (hapd_iface->bss == NULL) {
600		wpa_supplicant_ap_deinit(wpa_s);
601		return -1;
602	}
603
604	for (i = 0; i < conf->num_bss; i++) {
605		hapd_iface->bss[i] =
606			hostapd_alloc_bss_data(hapd_iface, conf,
607					       conf->bss[i]);
608		if (hapd_iface->bss[i] == NULL) {
609			wpa_supplicant_ap_deinit(wpa_s);
610			return -1;
611		}
612
613		hapd_iface->bss[i]->msg_ctx = wpa_s;
614		hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
615		hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
616		hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
617		hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
618		hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
619		hostapd_register_probereq_cb(hapd_iface->bss[i],
620					     ap_probe_req_rx, wpa_s);
621		hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
622		hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
623		hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
624		hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
625		hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
626		hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
627#ifdef CONFIG_P2P
628		hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
629		hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
630		hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
631		hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
632								    ssid);
633#endif /* CONFIG_P2P */
634		hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
635		hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
636	}
637
638	os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
639	hapd_iface->bss[0]->driver = wpa_s->driver;
640	hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
641
642	wpa_s->current_ssid = ssid;
643	eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
644	os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
645	wpa_s->assoc_freq = ssid->frequency;
646
647	if (hostapd_setup_interface(wpa_s->ap_iface)) {
648		wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
649		wpa_supplicant_ap_deinit(wpa_s);
650		return -1;
651	}
652
653	return 0;
654}
655
656
657void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
658{
659#ifdef CONFIG_WPS
660	eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
661#endif /* CONFIG_WPS */
662
663	if (wpa_s->ap_iface == NULL)
664		return;
665
666	wpa_s->current_ssid = NULL;
667	eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
668	wpa_s->assoc_freq = 0;
669#ifdef CONFIG_P2P
670	if (wpa_s->ap_iface->bss)
671		wpa_s->ap_iface->bss[0]->p2p_group = NULL;
672	wpas_p2p_group_deinit(wpa_s);
673#endif /* CONFIG_P2P */
674	hostapd_interface_deinit(wpa_s->ap_iface);
675	hostapd_interface_free(wpa_s->ap_iface);
676	wpa_s->ap_iface = NULL;
677	wpa_drv_deinit_ap(wpa_s);
678}
679
680
681void ap_tx_status(void *ctx, const u8 *addr,
682		  const u8 *buf, size_t len, int ack)
683{
684#ifdef NEED_AP_MLME
685	struct wpa_supplicant *wpa_s = ctx;
686	hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
687#endif /* NEED_AP_MLME */
688}
689
690
691void ap_eapol_tx_status(void *ctx, const u8 *dst,
692			const u8 *data, size_t len, int ack)
693{
694#ifdef NEED_AP_MLME
695	struct wpa_supplicant *wpa_s = ctx;
696	if (!wpa_s->ap_iface)
697		return;
698	hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
699#endif /* NEED_AP_MLME */
700}
701
702
703void ap_client_poll_ok(void *ctx, const u8 *addr)
704{
705#ifdef NEED_AP_MLME
706	struct wpa_supplicant *wpa_s = ctx;
707	if (wpa_s->ap_iface)
708		hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
709#endif /* NEED_AP_MLME */
710}
711
712
713void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
714{
715#ifdef NEED_AP_MLME
716	struct wpa_supplicant *wpa_s = ctx;
717	ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
718#endif /* NEED_AP_MLME */
719}
720
721
722void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
723{
724#ifdef NEED_AP_MLME
725	struct wpa_supplicant *wpa_s = ctx;
726	struct hostapd_frame_info fi;
727	os_memset(&fi, 0, sizeof(fi));
728	fi.datarate = rx_mgmt->datarate;
729	fi.ssi_signal = rx_mgmt->ssi_signal;
730	ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
731			rx_mgmt->frame_len, &fi);
732#endif /* NEED_AP_MLME */
733}
734
735
736void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
737{
738#ifdef NEED_AP_MLME
739	struct wpa_supplicant *wpa_s = ctx;
740	ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
741#endif /* NEED_AP_MLME */
742}
743
744
745void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
746				const u8 *src_addr, const u8 *buf, size_t len)
747{
748	ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
749}
750
751
752#ifdef CONFIG_WPS
753
754int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
755			      const u8 *p2p_dev_addr)
756{
757	if (!wpa_s->ap_iface)
758		return -1;
759	return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
760					 p2p_dev_addr);
761}
762
763
764int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
765{
766	struct wps_registrar *reg;
767	int reg_sel = 0, wps_sta = 0;
768
769	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
770		return -1;
771
772	reg = wpa_s->ap_iface->bss[0]->wps->registrar;
773	reg_sel = wps_registrar_wps_cancel(reg);
774	wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
775				  ap_sta_wps_cancel, NULL);
776
777	if (!reg_sel && !wps_sta) {
778		wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
779			   "time");
780		return -1;
781	}
782
783	/*
784	 * There are 2 cases to return wps cancel as success:
785	 * 1. When wps cancel was initiated but no connection has been
786	 *    established with client yet.
787	 * 2. Client is in the middle of exchanging WPS messages.
788	 */
789
790	return 0;
791}
792
793
794int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
795			      const char *pin, char *buf, size_t buflen,
796			      int timeout)
797{
798	int ret, ret_len = 0;
799
800	if (!wpa_s->ap_iface)
801		return -1;
802
803	if (pin == NULL) {
804		unsigned int rpin = wps_generate_pin();
805		ret_len = os_snprintf(buf, buflen, "%08d", rpin);
806		pin = buf;
807	} else
808		ret_len = os_snprintf(buf, buflen, "%s", pin);
809
810	ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
811				  timeout);
812	if (ret)
813		return -1;
814	return ret_len;
815}
816
817
818static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
819{
820	struct wpa_supplicant *wpa_s = eloop_data;
821	wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
822	wpas_wps_ap_pin_disable(wpa_s);
823}
824
825
826static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
827{
828	struct hostapd_data *hapd;
829
830	if (wpa_s->ap_iface == NULL)
831		return;
832	hapd = wpa_s->ap_iface->bss[0];
833	wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
834	hapd->ap_pin_failures = 0;
835	eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
836	if (timeout > 0)
837		eloop_register_timeout(timeout, 0,
838				       wpas_wps_ap_pin_timeout, wpa_s, NULL);
839}
840
841
842void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
843{
844	struct hostapd_data *hapd;
845
846	if (wpa_s->ap_iface == NULL)
847		return;
848	wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
849	hapd = wpa_s->ap_iface->bss[0];
850	os_free(hapd->conf->ap_pin);
851	hapd->conf->ap_pin = NULL;
852	eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
853}
854
855
856const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
857{
858	struct hostapd_data *hapd;
859	unsigned int pin;
860	char pin_txt[9];
861
862	if (wpa_s->ap_iface == NULL)
863		return NULL;
864	hapd = wpa_s->ap_iface->bss[0];
865	pin = wps_generate_pin();
866	os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
867	os_free(hapd->conf->ap_pin);
868	hapd->conf->ap_pin = os_strdup(pin_txt);
869	if (hapd->conf->ap_pin == NULL)
870		return NULL;
871	wpas_wps_ap_pin_enable(wpa_s, timeout);
872
873	return hapd->conf->ap_pin;
874}
875
876
877const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
878{
879	struct hostapd_data *hapd;
880	if (wpa_s->ap_iface == NULL)
881		return NULL;
882	hapd = wpa_s->ap_iface->bss[0];
883	return hapd->conf->ap_pin;
884}
885
886
887int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
888			int timeout)
889{
890	struct hostapd_data *hapd;
891	char pin_txt[9];
892	int ret;
893
894	if (wpa_s->ap_iface == NULL)
895		return -1;
896	hapd = wpa_s->ap_iface->bss[0];
897	ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
898	if (ret < 0 || ret >= (int) sizeof(pin_txt))
899		return -1;
900	os_free(hapd->conf->ap_pin);
901	hapd->conf->ap_pin = os_strdup(pin_txt);
902	if (hapd->conf->ap_pin == NULL)
903		return -1;
904	wpas_wps_ap_pin_enable(wpa_s, timeout);
905
906	return 0;
907}
908
909
910void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
911{
912	struct hostapd_data *hapd;
913
914	if (wpa_s->ap_iface == NULL)
915		return;
916	hapd = wpa_s->ap_iface->bss[0];
917
918	/*
919	 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
920	 * PIN if this happens multiple times to slow down brute force attacks.
921	 */
922	hapd->ap_pin_failures++;
923	wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
924		   hapd->ap_pin_failures);
925	if (hapd->ap_pin_failures < 3)
926		return;
927
928	wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
929	hapd->ap_pin_failures = 0;
930	os_free(hapd->conf->ap_pin);
931	hapd->conf->ap_pin = NULL;
932}
933
934
935#ifdef CONFIG_WPS_NFC
936
937struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
938					     int ndef)
939{
940	struct hostapd_data *hapd;
941
942	if (wpa_s->ap_iface == NULL)
943		return NULL;
944	hapd = wpa_s->ap_iface->bss[0];
945	return hostapd_wps_nfc_config_token(hapd, ndef);
946}
947
948
949struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
950					     int ndef)
951{
952	struct hostapd_data *hapd;
953
954	if (wpa_s->ap_iface == NULL)
955		return NULL;
956	hapd = wpa_s->ap_iface->bss[0];
957	return hostapd_wps_nfc_hs_cr(hapd, ndef);
958}
959
960
961int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
962				    const struct wpabuf *req,
963				    const struct wpabuf *sel)
964{
965	struct hostapd_data *hapd;
966
967	if (wpa_s->ap_iface == NULL)
968		return -1;
969	hapd = wpa_s->ap_iface->bss[0];
970	return hostapd_wps_nfc_report_handover(hapd, req, sel);
971}
972
973#endif /* CONFIG_WPS_NFC */
974
975#endif /* CONFIG_WPS */
976
977
978#ifdef CONFIG_CTRL_IFACE
979
980int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
981			    char *buf, size_t buflen)
982{
983	if (wpa_s->ap_iface == NULL)
984		return -1;
985	return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
986					    buf, buflen);
987}
988
989
990int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
991		      char *buf, size_t buflen)
992{
993	if (wpa_s->ap_iface == NULL)
994		return -1;
995	return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
996				      buf, buflen);
997}
998
999
1000int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1001			   char *buf, size_t buflen)
1002{
1003	if (wpa_s->ap_iface == NULL)
1004		return -1;
1005	return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1006					   buf, buflen);
1007}
1008
1009
1010int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1011				   const char *txtaddr)
1012{
1013	if (wpa_s->ap_iface == NULL)
1014		return -1;
1015	return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1016					       txtaddr);
1017}
1018
1019
1020int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1021				     const char *txtaddr)
1022{
1023	if (wpa_s->ap_iface == NULL)
1024		return -1;
1025	return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1026						 txtaddr);
1027}
1028
1029
1030int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1031				 size_t buflen, int verbose)
1032{
1033	char *pos = buf, *end = buf + buflen;
1034	int ret;
1035	struct hostapd_bss_config *conf;
1036
1037	if (wpa_s->ap_iface == NULL)
1038		return -1;
1039
1040	conf = wpa_s->ap_iface->bss[0]->conf;
1041	if (conf->wpa == 0)
1042		return 0;
1043
1044	ret = os_snprintf(pos, end - pos,
1045			  "pairwise_cipher=%s\n"
1046			  "group_cipher=%s\n"
1047			  "key_mgmt=%s\n",
1048			  wpa_cipher_txt(conf->rsn_pairwise),
1049			  wpa_cipher_txt(conf->wpa_group),
1050			  wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1051					   conf->wpa));
1052	if (ret < 0 || ret >= end - pos)
1053		return pos - buf;
1054	pos += ret;
1055	return pos - buf;
1056}
1057
1058#endif /* CONFIG_CTRL_IFACE */
1059
1060
1061int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1062{
1063	struct hostapd_iface *iface = wpa_s->ap_iface;
1064	struct wpa_ssid *ssid = wpa_s->current_ssid;
1065	struct hostapd_data *hapd;
1066
1067	if (ssid == NULL || wpa_s->ap_iface == NULL ||
1068	    ssid->mode == WPAS_MODE_INFRA ||
1069	    ssid->mode == WPAS_MODE_IBSS)
1070		return -1;
1071
1072#ifdef CONFIG_P2P
1073	if (ssid->mode == WPAS_MODE_P2P_GO)
1074		iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1075	else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1076		iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1077			P2P_GROUP_FORMATION;
1078#endif /* CONFIG_P2P */
1079
1080	hapd = iface->bss[0];
1081	if (hapd->drv_priv == NULL)
1082		return -1;
1083	ieee802_11_set_beacons(iface);
1084	hostapd_set_ap_wps_ie(hapd);
1085
1086	return 0;
1087}
1088
1089
1090int ap_switch_channel(struct wpa_supplicant *wpa_s,
1091		      struct csa_settings *settings)
1092{
1093#ifdef NEED_AP_MLME
1094	if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1095		return -1;
1096
1097	return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1098#else /* NEED_AP_MLME */
1099	return -1;
1100#endif /* NEED_AP_MLME */
1101}
1102
1103
1104int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1105{
1106	struct csa_settings settings;
1107	int ret = hostapd_parse_csa_settings(pos, &settings);
1108
1109	if (ret)
1110		return ret;
1111
1112	return ap_switch_channel(wpa_s, &settings);
1113}
1114
1115
1116void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1117		       int offset, int width, int cf1, int cf2)
1118{
1119	if (!wpa_s->ap_iface)
1120		return;
1121
1122	wpa_s->assoc_freq = freq;
1123	hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1124}
1125
1126
1127int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1128				      const u8 *addr)
1129{
1130	struct hostapd_data *hapd;
1131	struct hostapd_bss_config *conf;
1132
1133	if (!wpa_s->ap_iface)
1134		return -1;
1135
1136	if (addr)
1137		wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1138			   MAC2STR(addr));
1139	else
1140		wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1141
1142	hapd = wpa_s->ap_iface->bss[0];
1143	conf = hapd->conf;
1144
1145	os_free(conf->accept_mac);
1146	conf->accept_mac = NULL;
1147	conf->num_accept_mac = 0;
1148	os_free(conf->deny_mac);
1149	conf->deny_mac = NULL;
1150	conf->num_deny_mac = 0;
1151
1152	if (addr == NULL) {
1153		conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1154		return 0;
1155	}
1156
1157	conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1158	conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1159	if (conf->accept_mac == NULL)
1160		return -1;
1161	os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1162	conf->num_accept_mac = 1;
1163
1164	return 0;
1165}
1166
1167
1168#ifdef CONFIG_WPS_NFC
1169int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1170			   const struct wpabuf *pw, const u8 *pubkey_hash)
1171{
1172	struct hostapd_data *hapd;
1173	struct wps_context *wps;
1174
1175	if (!wpa_s->ap_iface)
1176		return -1;
1177	hapd = wpa_s->ap_iface->bss[0];
1178	wps = hapd->wps;
1179
1180	if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1181	    wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1182		wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1183		return -1;
1184	}
1185
1186	dh5_free(wps->dh_ctx);
1187	wpabuf_free(wps->dh_pubkey);
1188	wpabuf_free(wps->dh_privkey);
1189	wps->dh_privkey = wpabuf_dup(
1190		wpa_s->parent->conf->wps_nfc_dh_privkey);
1191	wps->dh_pubkey = wpabuf_dup(
1192		wpa_s->parent->conf->wps_nfc_dh_pubkey);
1193	if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1194		wps->dh_ctx = NULL;
1195		wpabuf_free(wps->dh_pubkey);
1196		wps->dh_pubkey = NULL;
1197		wpabuf_free(wps->dh_privkey);
1198		wps->dh_privkey = NULL;
1199		return -1;
1200	}
1201	wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1202	if (wps->dh_ctx == NULL)
1203		return -1;
1204
1205	return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1206					      pw_id,
1207					      pw ? wpabuf_head(pw) : NULL,
1208					      pw ? wpabuf_len(pw) : 0, 1);
1209}
1210#endif /* CONFIG_WPS_NFC */
1211