2 * WPA Supplicant - Basic AP mode support routines
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2009, Atheros Communications
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
10 #include "utils/includes.h"
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 "ap/hostapd.h"
19 #include "ap/ap_config.h"
20 #include "ap/ap_drv_ops.h"
22 #include "ap/ieee802_11.h"
23 #endif /* NEED_AP_MLME */
24 #include "ap/beacon.h"
25 #include "ap/ieee802_1x.h"
26 #include "ap/wps_hostapd.h"
27 #include "ap/ctrl_iface_ap.h"
29 #include "common/ieee802_11_defs.h"
30 #include "config_ssid.h"
32 #include "wpa_supplicant_i.h"
34 #include "p2p_supplicant.h"
36 #include "ap/sta_info.h"
41 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
42 #endif /* CONFIG_WPS */
45 #ifdef CONFIG_IEEE80211N
46 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
47 struct hostapd_config *conf,
48 struct hostapd_hw_modes *mode)
51 u8 channel = conf->channel;
53 if (!conf->secondary_channel)
56 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
60 /* Use 80 MHz channel */
61 conf->vht_oper_chwidth = 1;
62 conf->vht_oper_centr_freq_seg0_idx = center_chan;
66 conf->vht_oper_centr_freq_seg0_idx =
67 channel + conf->secondary_channel * 2;
69 #endif /* CONFIG_IEEE80211N */
72 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
73 struct wpa_ssid *ssid,
74 struct hostapd_config *conf)
76 struct hostapd_bss_config *bss = conf->bss[0];
78 conf->driver = wpa_s->driver;
80 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
82 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
84 if (conf->hw_mode == NUM_HOSTAPD_MODES) {
85 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
90 /* TODO: enable HT40 if driver supports it;
91 * drop to 11b if driver does not support 11g */
93 #ifdef CONFIG_IEEE80211N
95 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
96 * and a mask of allowed capabilities within conf->ht_capab.
97 * Using default config settings for: conf->ht_op_mode_fixed,
98 * conf->secondary_channel, conf->require_ht
100 if (wpa_s->hw.modes) {
101 struct hostapd_hw_modes *mode = NULL;
103 for (i = 0; i < wpa_s->hw.num_modes; i++) {
104 if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
105 mode = &wpa_s->hw.modes[i];
110 #ifdef CONFIG_HT_OVERRIDES
111 if (ssid->disable_ht) {
112 conf->ieee80211n = 0;
116 #endif /* CONFIG_HT_OVERRIDES */
118 if (!no_ht && mode && mode->ht_capab) {
119 conf->ieee80211n = 1;
121 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
123 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
125 conf->secondary_channel =
126 wpas_p2p_get_ht40_mode(wpa_s, mode,
128 if (conf->secondary_channel)
130 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
131 #endif /* CONFIG_P2P */
134 * white-list capabilities that won't cause issues
135 * to connecting stations, while leaving the current
136 * capabilities intact (currently disabled SMPS).
138 conf->ht_capab |= mode->ht_capab &
139 (HT_CAP_INFO_GREEN_FIELD |
140 HT_CAP_INFO_SHORT_GI20MHZ |
141 HT_CAP_INFO_SHORT_GI40MHZ |
142 HT_CAP_INFO_RX_STBC_MASK |
143 HT_CAP_INFO_MAX_AMSDU_SIZE);
145 if (mode->vht_capab && ssid->vht) {
146 conf->ieee80211ac = 1;
147 wpas_conf_ap_vht(wpa_s, conf, mode);
151 #endif /* CONFIG_IEEE80211N */
154 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
155 (ssid->mode == WPAS_MODE_P2P_GO ||
156 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
157 /* Remove 802.11b rates from supported and basic rate sets */
158 int *list = os_malloc(4 * sizeof(int));
165 conf->basic_rates = list;
167 list = os_malloc(9 * sizeof(int));
179 conf->supported_rates = list;
182 bss->isolate = !wpa_s->conf->p2p_intra_bss;
183 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
184 #endif /* CONFIG_P2P */
186 if (ssid->ssid_len == 0) {
187 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
190 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
191 bss->ssid.ssid_len = ssid->ssid_len;
192 bss->ssid.ssid_set = 1;
194 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
197 bss->auth_algs = ssid->auth_alg;
199 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
200 bss->wpa = ssid->proto;
201 bss->wpa_key_mgmt = ssid->key_mgmt;
202 bss->wpa_pairwise = ssid->pairwise_cipher;
204 os_free(bss->ssid.wpa_psk);
205 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
206 if (bss->ssid.wpa_psk == NULL)
208 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
209 bss->ssid.wpa_psk->group = 1;
210 } else if (ssid->passphrase) {
211 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
212 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
213 ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
214 struct hostapd_wep_keys *wep = &bss->ssid.wep;
216 for (i = 0; i < NUM_WEP_KEYS; i++) {
217 if (ssid->wep_key_len[i] == 0)
219 wep->key[i] = os_malloc(ssid->wep_key_len[i]);
220 if (wep->key[i] == NULL)
222 os_memcpy(wep->key[i], ssid->wep_key[i],
223 ssid->wep_key_len[i]);
224 wep->len[i] = ssid->wep_key_len[i];
226 wep->idx = ssid->wep_tx_keyidx;
230 if (ssid->ap_max_inactivity)
231 bss->ap_max_inactivity = ssid->ap_max_inactivity;
233 if (ssid->dtim_period)
234 bss->dtim_period = ssid->dtim_period;
235 else if (wpa_s->conf->dtim_period)
236 bss->dtim_period = wpa_s->conf->dtim_period;
238 if (ssid->beacon_int)
239 conf->beacon_int = ssid->beacon_int;
240 else if (wpa_s->conf->beacon_int)
241 conf->beacon_int = wpa_s->conf->beacon_int;
243 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
244 bss->rsn_pairwise = bss->wpa_pairwise;
245 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
248 if (bss->wpa && bss->ieee802_1x)
249 bss->ssid.security_policy = SECURITY_WPA;
251 bss->ssid.security_policy = SECURITY_WPA_PSK;
252 else if (bss->ieee802_1x) {
253 int cipher = WPA_CIPHER_NONE;
254 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
255 bss->ssid.wep.default_len = bss->default_wep_key_len;
256 if (bss->default_wep_key_len)
257 cipher = bss->default_wep_key_len >= 13 ?
258 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
259 bss->wpa_group = cipher;
260 bss->wpa_pairwise = cipher;
261 bss->rsn_pairwise = cipher;
262 } else if (bss->ssid.wep.keys_set) {
263 int cipher = WPA_CIPHER_WEP40;
264 if (bss->ssid.wep.len[0] >= 13)
265 cipher = WPA_CIPHER_WEP104;
266 bss->ssid.security_policy = SECURITY_STATIC_WEP;
267 bss->wpa_group = cipher;
268 bss->wpa_pairwise = cipher;
269 bss->rsn_pairwise = cipher;
271 bss->ssid.security_policy = SECURITY_PLAINTEXT;
272 bss->wpa_group = WPA_CIPHER_NONE;
273 bss->wpa_pairwise = WPA_CIPHER_NONE;
274 bss->rsn_pairwise = WPA_CIPHER_NONE;
277 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
278 (bss->wpa_group == WPA_CIPHER_CCMP ||
279 bss->wpa_group == WPA_CIPHER_GCMP ||
280 bss->wpa_group == WPA_CIPHER_CCMP_256 ||
281 bss->wpa_group == WPA_CIPHER_GCMP_256)) {
283 * Strong ciphers do not need frequent rekeying, so increase
284 * the default GTK rekeying period to 24 hours.
286 bss->wpa_group_rekey = 86400;
291 * Enable WPS by default for open and WPA/WPA2-Personal network, but
292 * require user interaction to actually use it. Only the internal
293 * Registrar is supported.
295 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
296 bss->ssid.security_policy != SECURITY_PLAINTEXT)
299 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
300 (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
301 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
303 #endif /* CONFIG_WPS2 */
306 if (!ssid->ignore_broadcast_ssid)
309 bss->ap_setup_locked = 2;
310 if (wpa_s->conf->config_methods)
311 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
312 os_memcpy(bss->device_type, wpa_s->conf->device_type,
314 if (wpa_s->conf->device_name) {
315 bss->device_name = os_strdup(wpa_s->conf->device_name);
316 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
318 if (wpa_s->conf->manufacturer)
319 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
320 if (wpa_s->conf->model_name)
321 bss->model_name = os_strdup(wpa_s->conf->model_name);
322 if (wpa_s->conf->model_number)
323 bss->model_number = os_strdup(wpa_s->conf->model_number);
324 if (wpa_s->conf->serial_number)
325 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
326 if (is_nil_uuid(wpa_s->conf->uuid))
327 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
329 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
330 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
331 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
333 #endif /* CONFIG_WPS */
335 if (wpa_s->max_stations &&
336 wpa_s->max_stations < wpa_s->conf->max_num_sta)
337 bss->max_num_sta = wpa_s->max_stations;
339 bss->max_num_sta = wpa_s->conf->max_num_sta;
341 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
343 if (wpa_s->conf->ap_vendor_elements) {
344 bss->vendor_elements =
345 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
352 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
355 struct wpa_supplicant *wpa_s = ctx;
356 const struct ieee80211_mgmt *mgmt;
359 mgmt = (const struct ieee80211_mgmt *) buf;
360 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
363 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
364 mgmt->u.action.category,
365 &mgmt->u.action.u.vs_public_action.action,
366 len - hdr_len, freq);
367 #endif /* CONFIG_P2P */
371 static void ap_wps_event_cb(void *ctx, enum wps_event event,
372 union wps_event_data *data)
375 struct wpa_supplicant *wpa_s = ctx;
377 if (event == WPS_EV_FAIL) {
378 struct wps_event_fail *fail = &data->fail;
380 if (wpa_s->parent && wpa_s->parent != wpa_s &&
381 wpa_s == wpa_s->global->p2p_group_formation) {
383 * src/ap/wps_hostapd.c has already sent this on the
384 * main interface, so only send on the parent interface
387 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
388 "msg=%d config_error=%d",
389 fail->msg, fail->config_error);
391 wpas_p2p_wps_failed(wpa_s, fail);
393 #endif /* CONFIG_P2P */
397 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
398 int authorized, const u8 *p2p_dev_addr)
400 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
405 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
406 const u8 *psk, size_t psk_len)
409 struct wpa_supplicant *wpa_s = ctx;
410 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
412 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
414 #endif /* CONFIG_P2P */
417 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
420 struct wpa_supplicant *wpa_s = ctx;
421 const struct ieee80211_mgmt *mgmt;
424 mgmt = (const struct ieee80211_mgmt *) buf;
425 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
428 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
429 mgmt->u.action.category,
430 &mgmt->u.action.u.vs_public_action.action,
431 len - hdr_len, freq);
432 #endif /* CONFIG_P2P */
437 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
438 const u8 *bssid, const u8 *ie, size_t ie_len,
442 struct wpa_supplicant *wpa_s = ctx;
443 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
445 #else /* CONFIG_P2P */
447 #endif /* CONFIG_P2P */
451 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
455 struct wpa_supplicant *wpa_s = ctx;
456 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
457 #endif /* CONFIG_P2P */
461 static void wpas_ap_configured_cb(void *ctx)
463 struct wpa_supplicant *wpa_s = ctx;
465 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
467 if (wpa_s->ap_configured_cb)
468 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
469 wpa_s->ap_configured_cb_data);
473 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
474 struct wpa_ssid *ssid)
476 struct wpa_driver_associate_params params;
477 struct hostapd_iface *hapd_iface;
478 struct hostapd_config *conf;
481 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
482 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
486 wpa_supplicant_ap_deinit(wpa_s);
488 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
489 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
491 os_memset(¶ms, 0, sizeof(params));
492 params.ssid = ssid->ssid;
493 params.ssid_len = ssid->ssid_len;
494 switch (ssid->mode) {
495 case WPAS_MODE_INFRA:
496 params.mode = IEEE80211_MODE_INFRA;
499 params.mode = IEEE80211_MODE_IBSS;
502 case WPAS_MODE_P2P_GO:
503 case WPAS_MODE_P2P_GROUP_FORMATION:
504 params.mode = IEEE80211_MODE_AP;
507 if (ssid->frequency == 0)
508 ssid->frequency = 2462; /* default channel 11 */
509 params.freq = ssid->frequency;
511 params.wpa_proto = ssid->proto;
512 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
513 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
515 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
516 params.key_mgmt_suite = wpa_s->key_mgmt;
518 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
520 if (wpa_s->pairwise_cipher < 0) {
521 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
525 params.pairwise_suite = wpa_s->pairwise_cipher;
526 params.group_suite = params.pairwise_suite;
529 if (ssid->mode == WPAS_MODE_P2P_GO ||
530 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
532 #endif /* CONFIG_P2P */
534 if (wpa_s->parent->set_ap_uapsd)
535 params.uapsd = wpa_s->parent->ap_uapsd;
539 if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
540 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
544 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
545 if (hapd_iface == NULL)
547 hapd_iface->owner = wpa_s;
548 hapd_iface->drv_flags = wpa_s->drv_flags;
549 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
550 hapd_iface->extended_capa = wpa_s->extended_capa;
551 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
552 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
554 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
556 wpa_supplicant_ap_deinit(wpa_s);
560 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
561 wpa_s->conf->wmm_ac_params,
562 sizeof(wpa_s->conf->wmm_ac_params));
564 if (params.uapsd > 0) {
565 conf->bss[0]->wmm_enabled = 1;
566 conf->bss[0]->wmm_uapsd = 1;
569 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
570 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
571 wpa_supplicant_ap_deinit(wpa_s);
576 if (ssid->mode == WPAS_MODE_P2P_GO)
577 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
578 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
579 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
581 #endif /* CONFIG_P2P */
583 hapd_iface->num_bss = conf->num_bss;
584 hapd_iface->bss = os_calloc(conf->num_bss,
585 sizeof(struct hostapd_data *));
586 if (hapd_iface->bss == NULL) {
587 wpa_supplicant_ap_deinit(wpa_s);
591 for (i = 0; i < conf->num_bss; i++) {
593 hostapd_alloc_bss_data(hapd_iface, conf,
595 if (hapd_iface->bss[i] == NULL) {
596 wpa_supplicant_ap_deinit(wpa_s);
600 hapd_iface->bss[i]->msg_ctx = wpa_s;
601 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
602 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
603 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
604 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
605 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
606 hostapd_register_probereq_cb(hapd_iface->bss[i],
607 ap_probe_req_rx, wpa_s);
608 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
609 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
610 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
611 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
612 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
613 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
615 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
616 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
617 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
618 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
620 #endif /* CONFIG_P2P */
621 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
622 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
625 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
626 hapd_iface->bss[0]->driver = wpa_s->driver;
627 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
629 wpa_s->current_ssid = ssid;
630 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
631 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
632 wpa_s->assoc_freq = ssid->frequency;
634 if (hostapd_setup_interface(wpa_s->ap_iface)) {
635 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
636 wpa_supplicant_ap_deinit(wpa_s);
644 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
647 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
648 #endif /* CONFIG_WPS */
650 if (wpa_s->ap_iface == NULL)
653 wpa_s->current_ssid = NULL;
654 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
655 wpa_s->assoc_freq = 0;
657 if (wpa_s->ap_iface->bss)
658 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
659 wpas_p2p_group_deinit(wpa_s);
660 #endif /* CONFIG_P2P */
661 hostapd_interface_deinit(wpa_s->ap_iface);
662 hostapd_interface_free(wpa_s->ap_iface);
663 wpa_s->ap_iface = NULL;
664 wpa_drv_deinit_ap(wpa_s);
668 void ap_tx_status(void *ctx, const u8 *addr,
669 const u8 *buf, size_t len, int ack)
672 struct wpa_supplicant *wpa_s = ctx;
673 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
674 #endif /* NEED_AP_MLME */
678 void ap_eapol_tx_status(void *ctx, const u8 *dst,
679 const u8 *data, size_t len, int ack)
682 struct wpa_supplicant *wpa_s = ctx;
683 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
684 #endif /* NEED_AP_MLME */
688 void ap_client_poll_ok(void *ctx, const u8 *addr)
691 struct wpa_supplicant *wpa_s = ctx;
693 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
694 #endif /* NEED_AP_MLME */
698 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
701 struct wpa_supplicant *wpa_s = ctx;
702 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
703 #endif /* NEED_AP_MLME */
707 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
710 struct wpa_supplicant *wpa_s = ctx;
711 struct hostapd_frame_info fi;
712 os_memset(&fi, 0, sizeof(fi));
713 fi.datarate = rx_mgmt->datarate;
714 fi.ssi_signal = rx_mgmt->ssi_signal;
715 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
716 rx_mgmt->frame_len, &fi);
717 #endif /* NEED_AP_MLME */
721 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
724 struct wpa_supplicant *wpa_s = ctx;
725 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
726 #endif /* NEED_AP_MLME */
730 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
731 const u8 *src_addr, const u8 *buf, size_t len)
733 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
739 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
740 const u8 *p2p_dev_addr)
742 if (!wpa_s->ap_iface)
744 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
749 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
751 struct wps_registrar *reg;
752 int reg_sel = 0, wps_sta = 0;
754 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
757 reg = wpa_s->ap_iface->bss[0]->wps->registrar;
758 reg_sel = wps_registrar_wps_cancel(reg);
759 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
760 ap_sta_wps_cancel, NULL);
762 if (!reg_sel && !wps_sta) {
763 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
769 * There are 2 cases to return wps cancel as success:
770 * 1. When wps cancel was initiated but no connection has been
771 * established with client yet.
772 * 2. Client is in the middle of exchanging WPS messages.
779 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
780 const char *pin, char *buf, size_t buflen,
783 int ret, ret_len = 0;
785 if (!wpa_s->ap_iface)
789 unsigned int rpin = wps_generate_pin();
790 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
793 ret_len = os_snprintf(buf, buflen, "%s", pin);
795 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
803 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
805 struct wpa_supplicant *wpa_s = eloop_data;
806 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
807 wpas_wps_ap_pin_disable(wpa_s);
811 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
813 struct hostapd_data *hapd;
815 if (wpa_s->ap_iface == NULL)
817 hapd = wpa_s->ap_iface->bss[0];
818 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
819 hapd->ap_pin_failures = 0;
820 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
822 eloop_register_timeout(timeout, 0,
823 wpas_wps_ap_pin_timeout, wpa_s, NULL);
827 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
829 struct hostapd_data *hapd;
831 if (wpa_s->ap_iface == NULL)
833 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
834 hapd = wpa_s->ap_iface->bss[0];
835 os_free(hapd->conf->ap_pin);
836 hapd->conf->ap_pin = NULL;
837 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
841 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
843 struct hostapd_data *hapd;
847 if (wpa_s->ap_iface == NULL)
849 hapd = wpa_s->ap_iface->bss[0];
850 pin = wps_generate_pin();
851 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
852 os_free(hapd->conf->ap_pin);
853 hapd->conf->ap_pin = os_strdup(pin_txt);
854 if (hapd->conf->ap_pin == NULL)
856 wpas_wps_ap_pin_enable(wpa_s, timeout);
858 return hapd->conf->ap_pin;
862 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
864 struct hostapd_data *hapd;
865 if (wpa_s->ap_iface == NULL)
867 hapd = wpa_s->ap_iface->bss[0];
868 return hapd->conf->ap_pin;
872 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
875 struct hostapd_data *hapd;
879 if (wpa_s->ap_iface == NULL)
881 hapd = wpa_s->ap_iface->bss[0];
882 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
883 if (ret < 0 || ret >= (int) sizeof(pin_txt))
885 os_free(hapd->conf->ap_pin);
886 hapd->conf->ap_pin = os_strdup(pin_txt);
887 if (hapd->conf->ap_pin == NULL)
889 wpas_wps_ap_pin_enable(wpa_s, timeout);
895 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
897 struct hostapd_data *hapd;
899 if (wpa_s->ap_iface == NULL)
901 hapd = wpa_s->ap_iface->bss[0];
904 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
905 * PIN if this happens multiple times to slow down brute force attacks.
907 hapd->ap_pin_failures++;
908 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
909 hapd->ap_pin_failures);
910 if (hapd->ap_pin_failures < 3)
913 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
914 hapd->ap_pin_failures = 0;
915 os_free(hapd->conf->ap_pin);
916 hapd->conf->ap_pin = NULL;
920 #ifdef CONFIG_WPS_NFC
922 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
925 struct hostapd_data *hapd;
927 if (wpa_s->ap_iface == NULL)
929 hapd = wpa_s->ap_iface->bss[0];
930 return hostapd_wps_nfc_config_token(hapd, ndef);
934 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
937 struct hostapd_data *hapd;
939 if (wpa_s->ap_iface == NULL)
941 hapd = wpa_s->ap_iface->bss[0];
942 return hostapd_wps_nfc_hs_cr(hapd, ndef);
945 #endif /* CONFIG_WPS_NFC */
947 #endif /* CONFIG_WPS */
950 #ifdef CONFIG_CTRL_IFACE
952 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
953 char *buf, size_t buflen)
955 if (wpa_s->ap_iface == NULL)
957 return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
962 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
963 char *buf, size_t buflen)
965 if (wpa_s->ap_iface == NULL)
967 return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
972 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
973 char *buf, size_t buflen)
975 if (wpa_s->ap_iface == NULL)
977 return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
982 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
985 if (wpa_s->ap_iface == NULL)
987 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
992 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
995 if (wpa_s->ap_iface == NULL)
997 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1002 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1003 size_t buflen, int verbose)
1005 char *pos = buf, *end = buf + buflen;
1007 struct hostapd_bss_config *conf;
1009 if (wpa_s->ap_iface == NULL)
1012 conf = wpa_s->ap_iface->bss[0]->conf;
1016 ret = os_snprintf(pos, end - pos,
1017 "pairwise_cipher=%s\n"
1020 wpa_cipher_txt(conf->rsn_pairwise),
1021 wpa_cipher_txt(conf->wpa_group),
1022 wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1024 if (ret < 0 || ret >= end - pos)
1030 #endif /* CONFIG_CTRL_IFACE */
1033 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1035 struct hostapd_iface *iface = wpa_s->ap_iface;
1036 struct wpa_ssid *ssid = wpa_s->current_ssid;
1037 struct hostapd_data *hapd;
1039 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1040 ssid->mode == WPAS_MODE_INFRA ||
1041 ssid->mode == WPAS_MODE_IBSS)
1045 if (ssid->mode == WPAS_MODE_P2P_GO)
1046 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1047 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1048 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1049 P2P_GROUP_FORMATION;
1050 #endif /* CONFIG_P2P */
1052 hapd = iface->bss[0];
1053 if (hapd->drv_priv == NULL)
1055 ieee802_11_set_beacons(iface);
1056 hostapd_set_ap_wps_ie(hapd);
1062 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1063 struct csa_settings *settings)
1066 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1069 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1070 #else /* NEED_AP_MLME */
1072 #endif /* NEED_AP_MLME */
1076 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1078 struct csa_settings settings;
1079 int ret = hostapd_parse_csa_settings(pos, &settings);
1084 return ap_switch_channel(wpa_s, &settings);
1088 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1089 int offset, int width, int cf1, int cf2)
1091 if (!wpa_s->ap_iface)
1094 wpa_s->assoc_freq = freq;
1095 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1099 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1102 struct hostapd_data *hapd;
1103 struct hostapd_bss_config *conf;
1105 if (!wpa_s->ap_iface)
1109 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1112 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1114 hapd = wpa_s->ap_iface->bss[0];
1117 os_free(conf->accept_mac);
1118 conf->accept_mac = NULL;
1119 conf->num_accept_mac = 0;
1120 os_free(conf->deny_mac);
1121 conf->deny_mac = NULL;
1122 conf->num_deny_mac = 0;
1125 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1129 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1130 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1131 if (conf->accept_mac == NULL)
1133 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1134 conf->num_accept_mac = 1;