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