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)) {
281 * Strong ciphers do not need frequent rekeying, so increase
282 * the default GTK rekeying period to 24 hours.
284 bss->wpa_group_rekey = 86400;
289 * Enable WPS by default for open and WPA/WPA2-Personal network, but
290 * require user interaction to actually use it. Only the internal
291 * Registrar is supported.
293 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
294 bss->ssid.security_policy != SECURITY_PLAINTEXT)
297 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
298 (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
299 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
301 #endif /* CONFIG_WPS2 */
304 if (!ssid->ignore_broadcast_ssid)
307 bss->ap_setup_locked = 2;
308 if (wpa_s->conf->config_methods)
309 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
310 os_memcpy(bss->device_type, wpa_s->conf->device_type,
312 if (wpa_s->conf->device_name) {
313 bss->device_name = os_strdup(wpa_s->conf->device_name);
314 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
316 if (wpa_s->conf->manufacturer)
317 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
318 if (wpa_s->conf->model_name)
319 bss->model_name = os_strdup(wpa_s->conf->model_name);
320 if (wpa_s->conf->model_number)
321 bss->model_number = os_strdup(wpa_s->conf->model_number);
322 if (wpa_s->conf->serial_number)
323 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
324 if (is_nil_uuid(wpa_s->conf->uuid))
325 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
327 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
328 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
329 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
331 #endif /* CONFIG_WPS */
333 if (wpa_s->max_stations &&
334 wpa_s->max_stations < wpa_s->conf->max_num_sta)
335 bss->max_num_sta = wpa_s->max_stations;
337 bss->max_num_sta = wpa_s->conf->max_num_sta;
339 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
341 if (wpa_s->conf->ap_vendor_elements) {
342 bss->vendor_elements =
343 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
350 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
353 struct wpa_supplicant *wpa_s = ctx;
354 const struct ieee80211_mgmt *mgmt;
357 mgmt = (const struct ieee80211_mgmt *) buf;
358 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
361 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
362 mgmt->u.action.category,
363 &mgmt->u.action.u.vs_public_action.action,
364 len - hdr_len, freq);
365 #endif /* CONFIG_P2P */
369 static void ap_wps_event_cb(void *ctx, enum wps_event event,
370 union wps_event_data *data)
373 struct wpa_supplicant *wpa_s = ctx;
375 if (event == WPS_EV_FAIL) {
376 struct wps_event_fail *fail = &data->fail;
378 if (wpa_s->parent && wpa_s->parent != wpa_s &&
379 wpa_s == wpa_s->global->p2p_group_formation) {
381 * src/ap/wps_hostapd.c has already sent this on the
382 * main interface, so only send on the parent interface
385 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
386 "msg=%d config_error=%d",
387 fail->msg, fail->config_error);
389 wpas_p2p_wps_failed(wpa_s, fail);
391 #endif /* CONFIG_P2P */
395 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
396 int authorized, const u8 *p2p_dev_addr)
398 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
403 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
404 const u8 *psk, size_t psk_len)
407 struct wpa_supplicant *wpa_s = ctx;
408 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
410 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
412 #endif /* CONFIG_P2P */
415 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
418 struct wpa_supplicant *wpa_s = ctx;
419 const struct ieee80211_mgmt *mgmt;
422 mgmt = (const struct ieee80211_mgmt *) buf;
423 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
426 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
427 mgmt->u.action.category,
428 &mgmt->u.action.u.vs_public_action.action,
429 len - hdr_len, freq);
430 #endif /* CONFIG_P2P */
435 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
436 const u8 *bssid, const u8 *ie, size_t ie_len,
440 struct wpa_supplicant *wpa_s = ctx;
441 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
443 #else /* CONFIG_P2P */
445 #endif /* CONFIG_P2P */
449 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
453 struct wpa_supplicant *wpa_s = ctx;
454 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
455 #endif /* CONFIG_P2P */
459 static void wpas_ap_configured_cb(void *ctx)
461 struct wpa_supplicant *wpa_s = ctx;
463 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
465 if (wpa_s->ap_configured_cb)
466 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
467 wpa_s->ap_configured_cb_data);
471 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
472 struct wpa_ssid *ssid)
474 struct wpa_driver_associate_params params;
475 struct hostapd_iface *hapd_iface;
476 struct hostapd_config *conf;
479 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
480 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
484 wpa_supplicant_ap_deinit(wpa_s);
486 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
487 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
489 os_memset(¶ms, 0, sizeof(params));
490 params.ssid = ssid->ssid;
491 params.ssid_len = ssid->ssid_len;
492 switch (ssid->mode) {
493 case WPAS_MODE_INFRA:
494 params.mode = IEEE80211_MODE_INFRA;
497 params.mode = IEEE80211_MODE_IBSS;
500 case WPAS_MODE_P2P_GO:
501 case WPAS_MODE_P2P_GROUP_FORMATION:
502 params.mode = IEEE80211_MODE_AP;
505 if (ssid->frequency == 0)
506 ssid->frequency = 2462; /* default channel 11 */
507 params.freq = ssid->frequency;
509 params.wpa_proto = ssid->proto;
510 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
511 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
513 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
514 params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
516 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
518 if (wpa_s->pairwise_cipher < 0) {
519 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
523 params.pairwise_suite =
524 wpa_cipher_to_suite_driver(wpa_s->pairwise_cipher);
525 params.group_suite = params.pairwise_suite;
528 if (ssid->mode == WPAS_MODE_P2P_GO ||
529 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
531 #endif /* CONFIG_P2P */
533 if (wpa_s->parent->set_ap_uapsd)
534 params.uapsd = wpa_s->parent->ap_uapsd;
538 if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
539 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
543 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
544 if (hapd_iface == NULL)
546 hapd_iface->owner = wpa_s;
547 hapd_iface->drv_flags = wpa_s->drv_flags;
548 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
549 hapd_iface->extended_capa = wpa_s->extended_capa;
550 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
551 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
553 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
555 wpa_supplicant_ap_deinit(wpa_s);
559 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
560 wpa_s->conf->wmm_ac_params,
561 sizeof(wpa_s->conf->wmm_ac_params));
563 if (params.uapsd > 0) {
564 conf->bss[0]->wmm_enabled = 1;
565 conf->bss[0]->wmm_uapsd = 1;
568 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
569 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
570 wpa_supplicant_ap_deinit(wpa_s);
575 if (ssid->mode == WPAS_MODE_P2P_GO)
576 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
577 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
578 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
580 #endif /* CONFIG_P2P */
582 hapd_iface->num_bss = conf->num_bss;
583 hapd_iface->bss = os_calloc(conf->num_bss,
584 sizeof(struct hostapd_data *));
585 if (hapd_iface->bss == NULL) {
586 wpa_supplicant_ap_deinit(wpa_s);
590 for (i = 0; i < conf->num_bss; i++) {
592 hostapd_alloc_bss_data(hapd_iface, conf,
594 if (hapd_iface->bss[i] == NULL) {
595 wpa_supplicant_ap_deinit(wpa_s);
599 hapd_iface->bss[i]->msg_ctx = wpa_s;
600 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
601 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
602 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
603 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
604 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
605 hostapd_register_probereq_cb(hapd_iface->bss[i],
606 ap_probe_req_rx, wpa_s);
607 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
608 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
609 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
610 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
611 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
612 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
614 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
615 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
616 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
617 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
619 #endif /* CONFIG_P2P */
620 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
621 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
624 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
625 hapd_iface->bss[0]->driver = wpa_s->driver;
626 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
628 wpa_s->current_ssid = ssid;
629 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
630 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
631 wpa_s->assoc_freq = ssid->frequency;
633 if (hostapd_setup_interface(wpa_s->ap_iface)) {
634 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
635 wpa_supplicant_ap_deinit(wpa_s);
643 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
646 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
647 #endif /* CONFIG_WPS */
649 if (wpa_s->ap_iface == NULL)
652 wpa_s->current_ssid = NULL;
653 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
654 wpa_s->assoc_freq = 0;
656 if (wpa_s->ap_iface->bss)
657 wpa_s->ap_iface->bss[0]->p2p_group = NULL;
658 wpas_p2p_group_deinit(wpa_s);
659 #endif /* CONFIG_P2P */
660 hostapd_interface_deinit(wpa_s->ap_iface);
661 hostapd_interface_free(wpa_s->ap_iface);
662 wpa_s->ap_iface = NULL;
663 wpa_drv_deinit_ap(wpa_s);
667 void ap_tx_status(void *ctx, const u8 *addr,
668 const u8 *buf, size_t len, int ack)
671 struct wpa_supplicant *wpa_s = ctx;
672 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
673 #endif /* NEED_AP_MLME */
677 void ap_eapol_tx_status(void *ctx, const u8 *dst,
678 const u8 *data, size_t len, int ack)
681 struct wpa_supplicant *wpa_s = ctx;
682 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
683 #endif /* NEED_AP_MLME */
687 void ap_client_poll_ok(void *ctx, const u8 *addr)
690 struct wpa_supplicant *wpa_s = ctx;
692 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
693 #endif /* NEED_AP_MLME */
697 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
700 struct wpa_supplicant *wpa_s = ctx;
701 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
702 #endif /* NEED_AP_MLME */
706 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
709 struct wpa_supplicant *wpa_s = ctx;
710 struct hostapd_frame_info fi;
711 os_memset(&fi, 0, sizeof(fi));
712 fi.datarate = rx_mgmt->datarate;
713 fi.ssi_signal = rx_mgmt->ssi_signal;
714 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
715 rx_mgmt->frame_len, &fi);
716 #endif /* NEED_AP_MLME */
720 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
723 struct wpa_supplicant *wpa_s = ctx;
724 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
725 #endif /* NEED_AP_MLME */
729 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
730 const u8 *src_addr, const u8 *buf, size_t len)
732 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
738 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
739 const u8 *p2p_dev_addr)
741 if (!wpa_s->ap_iface)
743 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
748 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
750 struct wps_registrar *reg;
751 int reg_sel = 0, wps_sta = 0;
753 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
756 reg = wpa_s->ap_iface->bss[0]->wps->registrar;
757 reg_sel = wps_registrar_wps_cancel(reg);
758 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
759 ap_sta_wps_cancel, NULL);
761 if (!reg_sel && !wps_sta) {
762 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
768 * There are 2 cases to return wps cancel as success:
769 * 1. When wps cancel was initiated but no connection has been
770 * established with client yet.
771 * 2. Client is in the middle of exchanging WPS messages.
778 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
779 const char *pin, char *buf, size_t buflen,
782 int ret, ret_len = 0;
784 if (!wpa_s->ap_iface)
788 unsigned int rpin = wps_generate_pin();
789 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
792 ret_len = os_snprintf(buf, buflen, "%s", pin);
794 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
802 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
804 struct wpa_supplicant *wpa_s = eloop_data;
805 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
806 wpas_wps_ap_pin_disable(wpa_s);
810 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
812 struct hostapd_data *hapd;
814 if (wpa_s->ap_iface == NULL)
816 hapd = wpa_s->ap_iface->bss[0];
817 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
818 hapd->ap_pin_failures = 0;
819 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
821 eloop_register_timeout(timeout, 0,
822 wpas_wps_ap_pin_timeout, wpa_s, NULL);
826 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
828 struct hostapd_data *hapd;
830 if (wpa_s->ap_iface == NULL)
832 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
833 hapd = wpa_s->ap_iface->bss[0];
834 os_free(hapd->conf->ap_pin);
835 hapd->conf->ap_pin = NULL;
836 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
840 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
842 struct hostapd_data *hapd;
846 if (wpa_s->ap_iface == NULL)
848 hapd = wpa_s->ap_iface->bss[0];
849 pin = wps_generate_pin();
850 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
851 os_free(hapd->conf->ap_pin);
852 hapd->conf->ap_pin = os_strdup(pin_txt);
853 if (hapd->conf->ap_pin == NULL)
855 wpas_wps_ap_pin_enable(wpa_s, timeout);
857 return hapd->conf->ap_pin;
861 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
863 struct hostapd_data *hapd;
864 if (wpa_s->ap_iface == NULL)
866 hapd = wpa_s->ap_iface->bss[0];
867 return hapd->conf->ap_pin;
871 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
874 struct hostapd_data *hapd;
878 if (wpa_s->ap_iface == NULL)
880 hapd = wpa_s->ap_iface->bss[0];
881 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
882 if (ret < 0 || ret >= (int) sizeof(pin_txt))
884 os_free(hapd->conf->ap_pin);
885 hapd->conf->ap_pin = os_strdup(pin_txt);
886 if (hapd->conf->ap_pin == NULL)
888 wpas_wps_ap_pin_enable(wpa_s, timeout);
894 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
896 struct hostapd_data *hapd;
898 if (wpa_s->ap_iface == NULL)
900 hapd = wpa_s->ap_iface->bss[0];
903 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
904 * PIN if this happens multiple times to slow down brute force attacks.
906 hapd->ap_pin_failures++;
907 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
908 hapd->ap_pin_failures);
909 if (hapd->ap_pin_failures < 3)
912 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
913 hapd->ap_pin_failures = 0;
914 os_free(hapd->conf->ap_pin);
915 hapd->conf->ap_pin = NULL;
919 #ifdef CONFIG_WPS_NFC
921 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
924 struct hostapd_data *hapd;
926 if (wpa_s->ap_iface == NULL)
928 hapd = wpa_s->ap_iface->bss[0];
929 return hostapd_wps_nfc_config_token(hapd, ndef);
933 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
936 struct hostapd_data *hapd;
938 if (wpa_s->ap_iface == NULL)
940 hapd = wpa_s->ap_iface->bss[0];
941 return hostapd_wps_nfc_hs_cr(hapd, ndef);
944 #endif /* CONFIG_WPS_NFC */
946 #endif /* CONFIG_WPS */
949 #ifdef CONFIG_CTRL_IFACE
951 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
952 char *buf, size_t buflen)
954 if (wpa_s->ap_iface == NULL)
956 return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
961 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
962 char *buf, size_t buflen)
964 if (wpa_s->ap_iface == NULL)
966 return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
971 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
972 char *buf, size_t buflen)
974 if (wpa_s->ap_iface == NULL)
976 return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
981 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
984 if (wpa_s->ap_iface == NULL)
986 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
991 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
994 if (wpa_s->ap_iface == NULL)
996 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1001 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1002 size_t buflen, int verbose)
1004 char *pos = buf, *end = buf + buflen;
1006 struct hostapd_bss_config *conf;
1008 if (wpa_s->ap_iface == NULL)
1011 conf = wpa_s->ap_iface->bss[0]->conf;
1015 ret = os_snprintf(pos, end - pos,
1016 "pairwise_cipher=%s\n"
1019 wpa_cipher_txt(conf->rsn_pairwise),
1020 wpa_cipher_txt(conf->wpa_group),
1021 wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1023 if (ret < 0 || ret >= end - pos)
1029 #endif /* CONFIG_CTRL_IFACE */
1032 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1034 struct hostapd_iface *iface = wpa_s->ap_iface;
1035 struct wpa_ssid *ssid = wpa_s->current_ssid;
1036 struct hostapd_data *hapd;
1038 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1039 ssid->mode == WPAS_MODE_INFRA ||
1040 ssid->mode == WPAS_MODE_IBSS)
1044 if (ssid->mode == WPAS_MODE_P2P_GO)
1045 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1046 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1047 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1048 P2P_GROUP_FORMATION;
1049 #endif /* CONFIG_P2P */
1051 hapd = iface->bss[0];
1052 if (hapd->drv_priv == NULL)
1054 ieee802_11_set_beacons(iface);
1055 hostapd_set_ap_wps_ie(hapd);
1061 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1064 if (!wpa_s->ap_iface)
1067 wpa_s->assoc_freq = freq;
1068 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset);
1072 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1075 struct hostapd_data *hapd;
1076 struct hostapd_bss_config *conf;
1078 if (!wpa_s->ap_iface)
1082 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1085 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1087 hapd = wpa_s->ap_iface->bss[0];
1090 os_free(conf->accept_mac);
1091 conf->accept_mac = NULL;
1092 conf->num_accept_mac = 0;
1093 os_free(conf->deny_mac);
1094 conf->deny_mac = NULL;
1095 conf->num_deny_mac = 0;
1098 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1102 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1103 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1104 if (conf->accept_mac == NULL)
1106 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1107 conf->num_accept_mac = 1;