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 "crypto/dh_group5.h"
19 #include "ap/hostapd.h"
20 #include "ap/ap_config.h"
21 #include "ap/ap_drv_ops.h"
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"
30 #include "common/ieee802_11_defs.h"
31 #include "config_ssid.h"
33 #include "wpa_supplicant_i.h"
35 #include "p2p_supplicant.h"
37 #include "ap/sta_info.h"
42 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
43 #endif /* CONFIG_WPS */
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)
53 u8 channel = conf->channel;
55 if (!conf->secondary_channel)
58 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
62 /* Use 80 MHz channel */
63 conf->vht_oper_chwidth = 1;
64 conf->vht_oper_centr_freq_seg0_idx = center_chan;
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 */
75 #endif /* CONFIG_IEEE80211N */
78 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
79 struct wpa_ssid *ssid,
80 struct hostapd_config *conf)
82 struct hostapd_bss_config *bss = conf->bss[0];
84 conf->driver = wpa_s->driver;
86 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
88 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
90 if (conf->hw_mode == NUM_HOSTAPD_MODES) {
91 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
96 /* TODO: enable HT40 if driver supports it;
97 * drop to 11b if driver does not support 11g */
99 #ifdef CONFIG_IEEE80211N
101 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
102 * and a mask of allowed capabilities within conf->ht_capab.
103 * Using default config settings for: conf->ht_op_mode_fixed,
104 * conf->secondary_channel, conf->require_ht
106 if (wpa_s->hw.modes) {
107 struct hostapd_hw_modes *mode = NULL;
109 for (i = 0; i < wpa_s->hw.num_modes; i++) {
110 if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
111 mode = &wpa_s->hw.modes[i];
116 #ifdef CONFIG_HT_OVERRIDES
117 if (ssid->disable_ht) {
118 conf->ieee80211n = 0;
122 #endif /* CONFIG_HT_OVERRIDES */
124 if (!no_ht && mode && mode->ht_capab) {
125 conf->ieee80211n = 1;
127 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
129 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
131 conf->secondary_channel =
132 wpas_p2p_get_ht40_mode(wpa_s, mode,
134 if (conf->secondary_channel)
136 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
137 #endif /* CONFIG_P2P */
140 * white-list capabilities that won't cause issues
141 * to connecting stations, while leaving the current
142 * capabilities intact (currently disabled SMPS).
144 conf->ht_capab |= mode->ht_capab &
145 (HT_CAP_INFO_GREEN_FIELD |
146 HT_CAP_INFO_SHORT_GI20MHZ |
147 HT_CAP_INFO_SHORT_GI40MHZ |
148 HT_CAP_INFO_RX_STBC_MASK |
149 HT_CAP_INFO_MAX_AMSDU_SIZE);
151 if (mode->vht_capab && ssid->vht) {
152 conf->ieee80211ac = 1;
153 wpas_conf_ap_vht(wpa_s, conf, mode);
157 #endif /* CONFIG_IEEE80211N */
160 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
161 (ssid->mode == WPAS_MODE_P2P_GO ||
162 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
163 /* Remove 802.11b rates from supported and basic rate sets */
164 int *list = os_malloc(4 * sizeof(int));
171 conf->basic_rates = list;
173 list = os_malloc(9 * sizeof(int));
185 conf->supported_rates = list;
188 bss->isolate = !wpa_s->conf->p2p_intra_bss;
189 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
191 if (ssid->p2p_group) {
192 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
193 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
195 os_memcpy(bss->ip_addr_start,
196 wpa_s->parent->conf->ip_addr_start, 4);
197 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
200 #endif /* CONFIG_P2P */
202 if (ssid->ssid_len == 0) {
203 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
206 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
207 bss->ssid.ssid_len = ssid->ssid_len;
208 bss->ssid.ssid_set = 1;
210 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
213 bss->auth_algs = ssid->auth_alg;
215 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
216 bss->wpa = ssid->proto;
217 bss->wpa_key_mgmt = ssid->key_mgmt;
218 bss->wpa_pairwise = ssid->pairwise_cipher;
220 os_free(bss->ssid.wpa_psk);
221 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
222 if (bss->ssid.wpa_psk == NULL)
224 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
225 bss->ssid.wpa_psk->group = 1;
226 } else if (ssid->passphrase) {
227 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
228 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
229 ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
230 struct hostapd_wep_keys *wep = &bss->ssid.wep;
232 for (i = 0; i < NUM_WEP_KEYS; i++) {
233 if (ssid->wep_key_len[i] == 0)
235 wep->key[i] = os_malloc(ssid->wep_key_len[i]);
236 if (wep->key[i] == NULL)
238 os_memcpy(wep->key[i], ssid->wep_key[i],
239 ssid->wep_key_len[i]);
240 wep->len[i] = ssid->wep_key_len[i];
242 wep->idx = ssid->wep_tx_keyidx;
246 if (ssid->ap_max_inactivity)
247 bss->ap_max_inactivity = ssid->ap_max_inactivity;
249 if (ssid->dtim_period)
250 bss->dtim_period = ssid->dtim_period;
251 else if (wpa_s->conf->dtim_period)
252 bss->dtim_period = wpa_s->conf->dtim_period;
254 if (ssid->beacon_int)
255 conf->beacon_int = ssid->beacon_int;
256 else if (wpa_s->conf->beacon_int)
257 conf->beacon_int = wpa_s->conf->beacon_int;
259 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
260 bss->rsn_pairwise = bss->wpa_pairwise;
261 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
264 if (bss->wpa && bss->ieee802_1x)
265 bss->ssid.security_policy = SECURITY_WPA;
267 bss->ssid.security_policy = SECURITY_WPA_PSK;
268 else if (bss->ieee802_1x) {
269 int cipher = WPA_CIPHER_NONE;
270 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
271 bss->ssid.wep.default_len = bss->default_wep_key_len;
272 if (bss->default_wep_key_len)
273 cipher = bss->default_wep_key_len >= 13 ?
274 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
275 bss->wpa_group = cipher;
276 bss->wpa_pairwise = cipher;
277 bss->rsn_pairwise = cipher;
278 } else if (bss->ssid.wep.keys_set) {
279 int cipher = WPA_CIPHER_WEP40;
280 if (bss->ssid.wep.len[0] >= 13)
281 cipher = WPA_CIPHER_WEP104;
282 bss->ssid.security_policy = SECURITY_STATIC_WEP;
283 bss->wpa_group = cipher;
284 bss->wpa_pairwise = cipher;
285 bss->rsn_pairwise = cipher;
287 bss->ssid.security_policy = SECURITY_PLAINTEXT;
288 bss->wpa_group = WPA_CIPHER_NONE;
289 bss->wpa_pairwise = WPA_CIPHER_NONE;
290 bss->rsn_pairwise = WPA_CIPHER_NONE;
293 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
294 (bss->wpa_group == WPA_CIPHER_CCMP ||
295 bss->wpa_group == WPA_CIPHER_GCMP ||
296 bss->wpa_group == WPA_CIPHER_CCMP_256 ||
297 bss->wpa_group == WPA_CIPHER_GCMP_256)) {
299 * Strong ciphers do not need frequent rekeying, so increase
300 * the default GTK rekeying period to 24 hours.
302 bss->wpa_group_rekey = 86400;
305 #ifdef CONFIG_IEEE80211W
306 if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
307 bss->ieee80211w = ssid->ieee80211w;
308 #endif /* CONFIG_IEEE80211W */
312 * Enable WPS by default for open and WPA/WPA2-Personal network, but
313 * require user interaction to actually use it. Only the internal
314 * Registrar is supported.
316 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
317 bss->ssid.security_policy != SECURITY_PLAINTEXT)
319 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
320 (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2)))
321 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
325 if (!ssid->ignore_broadcast_ssid)
328 bss->ap_setup_locked = 2;
329 if (wpa_s->conf->config_methods)
330 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
331 os_memcpy(bss->device_type, wpa_s->conf->device_type,
333 if (wpa_s->conf->device_name) {
334 bss->device_name = os_strdup(wpa_s->conf->device_name);
335 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
337 if (wpa_s->conf->manufacturer)
338 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
339 if (wpa_s->conf->model_name)
340 bss->model_name = os_strdup(wpa_s->conf->model_name);
341 if (wpa_s->conf->model_number)
342 bss->model_number = os_strdup(wpa_s->conf->model_number);
343 if (wpa_s->conf->serial_number)
344 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
345 if (is_nil_uuid(wpa_s->conf->uuid))
346 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
348 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
349 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
350 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
352 #endif /* CONFIG_WPS */
354 if (wpa_s->max_stations &&
355 wpa_s->max_stations < wpa_s->conf->max_num_sta)
356 bss->max_num_sta = wpa_s->max_stations;
358 bss->max_num_sta = wpa_s->conf->max_num_sta;
360 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
362 if (wpa_s->conf->ap_vendor_elements) {
363 bss->vendor_elements =
364 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
371 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
374 struct wpa_supplicant *wpa_s = ctx;
375 const struct ieee80211_mgmt *mgmt;
377 mgmt = (const struct ieee80211_mgmt *) buf;
378 if (len < IEEE80211_HDRLEN + 1)
380 if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
382 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
383 mgmt->u.action.category,
384 buf + IEEE80211_HDRLEN + 1,
385 len - IEEE80211_HDRLEN - 1, freq);
386 #endif /* CONFIG_P2P */
390 static void ap_wps_event_cb(void *ctx, enum wps_event event,
391 union wps_event_data *data)
394 struct wpa_supplicant *wpa_s = ctx;
396 if (event == WPS_EV_FAIL) {
397 struct wps_event_fail *fail = &data->fail;
399 if (wpa_s->parent && wpa_s->parent != wpa_s &&
400 wpa_s == wpa_s->global->p2p_group_formation) {
402 * src/ap/wps_hostapd.c has already sent this on the
403 * main interface, so only send on the parent interface
406 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
407 "msg=%d config_error=%d",
408 fail->msg, fail->config_error);
410 wpas_p2p_wps_failed(wpa_s, fail);
412 #endif /* CONFIG_P2P */
416 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
417 int authorized, const u8 *p2p_dev_addr)
419 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
424 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
425 const u8 *psk, size_t psk_len)
428 struct wpa_supplicant *wpa_s = ctx;
429 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
431 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
433 #endif /* CONFIG_P2P */
436 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
439 struct wpa_supplicant *wpa_s = ctx;
440 const struct ieee80211_mgmt *mgmt;
442 mgmt = (const struct ieee80211_mgmt *) buf;
443 if (len < IEEE80211_HDRLEN + 1)
445 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
446 mgmt->u.action.category,
447 buf + IEEE80211_HDRLEN + 1,
448 len - IEEE80211_HDRLEN - 1, freq);
449 #endif /* CONFIG_P2P */
454 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
455 const u8 *bssid, const u8 *ie, size_t ie_len,
458 struct wpa_supplicant *wpa_s = ctx;
459 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
464 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
467 struct wpa_supplicant *wpa_s = ctx;
468 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
472 static void wpas_ap_configured_cb(void *ctx)
474 struct wpa_supplicant *wpa_s = ctx;
476 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
478 if (wpa_s->ap_configured_cb)
479 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
480 wpa_s->ap_configured_cb_data);
484 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
485 struct wpa_ssid *ssid)
487 struct wpa_driver_associate_params params;
488 struct hostapd_iface *hapd_iface;
489 struct hostapd_config *conf;
492 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
493 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
497 wpa_supplicant_ap_deinit(wpa_s);
499 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
500 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
502 os_memset(¶ms, 0, sizeof(params));
503 params.ssid = ssid->ssid;
504 params.ssid_len = ssid->ssid_len;
505 switch (ssid->mode) {
507 case WPAS_MODE_P2P_GO:
508 case WPAS_MODE_P2P_GROUP_FORMATION:
509 params.mode = IEEE80211_MODE_AP;
514 if (ssid->frequency == 0)
515 ssid->frequency = 2462; /* default channel 11 */
516 params.freq.freq = ssid->frequency;
518 params.wpa_proto = ssid->proto;
519 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
520 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
522 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
523 params.key_mgmt_suite = wpa_s->key_mgmt;
525 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
527 if (wpa_s->pairwise_cipher < 0) {
528 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
532 params.pairwise_suite = wpa_s->pairwise_cipher;
533 params.group_suite = params.pairwise_suite;
536 if (ssid->mode == WPAS_MODE_P2P_GO ||
537 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
539 #endif /* CONFIG_P2P */
541 if (wpa_s->parent->set_ap_uapsd)
542 params.uapsd = wpa_s->parent->ap_uapsd;
543 else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
544 params.uapsd = 1; /* mandatory for P2P GO */
548 if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
549 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
553 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
554 if (hapd_iface == NULL)
556 hapd_iface->owner = wpa_s;
557 hapd_iface->drv_flags = wpa_s->drv_flags;
558 hapd_iface->smps_modes = wpa_s->drv_smps_modes;
559 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
560 hapd_iface->extended_capa = wpa_s->extended_capa;
561 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
562 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
564 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
566 wpa_supplicant_ap_deinit(wpa_s);
570 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
571 wpa_s->conf->wmm_ac_params,
572 sizeof(wpa_s->conf->wmm_ac_params));
574 if (params.uapsd > 0) {
575 conf->bss[0]->wmm_enabled = 1;
576 conf->bss[0]->wmm_uapsd = 1;
579 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
580 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
581 wpa_supplicant_ap_deinit(wpa_s);
586 if (ssid->mode == WPAS_MODE_P2P_GO)
587 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
588 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
589 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
591 #endif /* CONFIG_P2P */
593 hapd_iface->num_bss = conf->num_bss;
594 hapd_iface->bss = os_calloc(conf->num_bss,
595 sizeof(struct hostapd_data *));
596 if (hapd_iface->bss == NULL) {
597 wpa_supplicant_ap_deinit(wpa_s);
601 for (i = 0; i < conf->num_bss; i++) {
603 hostapd_alloc_bss_data(hapd_iface, conf,
605 if (hapd_iface->bss[i] == NULL) {
606 wpa_supplicant_ap_deinit(wpa_s);
610 hapd_iface->bss[i]->msg_ctx = wpa_s;
611 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
612 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
613 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
614 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
615 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
616 hostapd_register_probereq_cb(hapd_iface->bss[i],
617 ap_probe_req_rx, wpa_s);
618 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
619 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
620 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
621 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
622 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
623 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
625 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
626 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
627 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
628 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
630 #endif /* CONFIG_P2P */
631 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
632 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
633 #ifdef CONFIG_TESTING_OPTIONS
634 hapd_iface->bss[i]->ext_eapol_frame_io =
635 wpa_s->ext_eapol_frame_io;
636 #endif /* CONFIG_TESTING_OPTIONS */
639 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
640 hapd_iface->bss[0]->driver = wpa_s->driver;
641 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
643 wpa_s->current_ssid = ssid;
644 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
645 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
646 wpa_s->assoc_freq = ssid->frequency;
648 if (hostapd_setup_interface(wpa_s->ap_iface)) {
649 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
650 wpa_supplicant_ap_deinit(wpa_s);
658 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
661 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
662 #endif /* CONFIG_WPS */
664 if (wpa_s->ap_iface == NULL)
667 wpa_s->current_ssid = NULL;
668 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
669 wpa_s->assoc_freq = 0;
670 wpas_p2p_ap_deinit(wpa_s);
671 wpa_s->ap_iface->driver_ap_teardown =
672 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
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);
681 void ap_tx_status(void *ctx, const u8 *addr,
682 const u8 *buf, size_t len, int ack)
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 */
691 void ap_eapol_tx_status(void *ctx, const u8 *dst,
692 const u8 *data, size_t len, int ack)
695 struct wpa_supplicant *wpa_s = ctx;
696 if (!wpa_s->ap_iface)
698 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
699 #endif /* NEED_AP_MLME */
703 void ap_client_poll_ok(void *ctx, const u8 *addr)
706 struct wpa_supplicant *wpa_s = ctx;
708 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
709 #endif /* NEED_AP_MLME */
713 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
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 */
722 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
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 */
736 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
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 */
745 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
746 const u8 *src_addr, const u8 *buf, size_t len)
748 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
754 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
755 const u8 *p2p_dev_addr)
757 if (!wpa_s->ap_iface)
759 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
764 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
766 struct wps_registrar *reg;
767 int reg_sel = 0, wps_sta = 0;
769 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
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);
777 if (!reg_sel && !wps_sta) {
778 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
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.
794 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
795 const char *pin, char *buf, size_t buflen,
798 int ret, ret_len = 0;
800 if (!wpa_s->ap_iface)
804 unsigned int rpin = wps_generate_pin();
805 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
808 ret_len = os_snprintf(buf, buflen, "%s", pin);
810 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
818 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
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);
826 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
828 struct hostapd_data *hapd;
830 if (wpa_s->ap_iface == NULL)
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);
837 eloop_register_timeout(timeout, 0,
838 wpas_wps_ap_pin_timeout, wpa_s, NULL);
842 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
844 struct hostapd_data *hapd;
846 if (wpa_s->ap_iface == NULL)
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);
856 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
858 struct hostapd_data *hapd;
862 if (wpa_s->ap_iface == 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)
871 wpas_wps_ap_pin_enable(wpa_s, timeout);
873 return hapd->conf->ap_pin;
877 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
879 struct hostapd_data *hapd;
880 if (wpa_s->ap_iface == NULL)
882 hapd = wpa_s->ap_iface->bss[0];
883 return hapd->conf->ap_pin;
887 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
890 struct hostapd_data *hapd;
894 if (wpa_s->ap_iface == NULL)
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))
900 os_free(hapd->conf->ap_pin);
901 hapd->conf->ap_pin = os_strdup(pin_txt);
902 if (hapd->conf->ap_pin == NULL)
904 wpas_wps_ap_pin_enable(wpa_s, timeout);
910 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
912 struct hostapd_data *hapd;
914 if (wpa_s->ap_iface == NULL)
916 hapd = wpa_s->ap_iface->bss[0];
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.
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)
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;
935 #ifdef CONFIG_WPS_NFC
937 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
940 struct hostapd_data *hapd;
942 if (wpa_s->ap_iface == NULL)
944 hapd = wpa_s->ap_iface->bss[0];
945 return hostapd_wps_nfc_config_token(hapd, ndef);
949 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
952 struct hostapd_data *hapd;
954 if (wpa_s->ap_iface == NULL)
956 hapd = wpa_s->ap_iface->bss[0];
957 return hostapd_wps_nfc_hs_cr(hapd, ndef);
961 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
962 const struct wpabuf *req,
963 const struct wpabuf *sel)
965 struct hostapd_data *hapd;
967 if (wpa_s->ap_iface == NULL)
969 hapd = wpa_s->ap_iface->bss[0];
970 return hostapd_wps_nfc_report_handover(hapd, req, sel);
973 #endif /* CONFIG_WPS_NFC */
975 #endif /* CONFIG_WPS */
978 #ifdef CONFIG_CTRL_IFACE
980 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
981 char *buf, size_t buflen)
983 if (wpa_s->ap_iface == NULL)
985 return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
990 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
991 char *buf, size_t buflen)
993 if (wpa_s->ap_iface == NULL)
995 return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
1000 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1001 char *buf, size_t buflen)
1003 if (wpa_s->ap_iface == NULL)
1005 return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
1010 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1011 const char *txtaddr)
1013 if (wpa_s->ap_iface == NULL)
1015 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1020 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1021 const char *txtaddr)
1023 if (wpa_s->ap_iface == NULL)
1025 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1030 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1031 size_t buflen, int verbose)
1033 char *pos = buf, *end = buf + buflen;
1035 struct hostapd_bss_config *conf;
1037 if (wpa_s->ap_iface == NULL)
1040 conf = wpa_s->ap_iface->bss[0]->conf;
1044 ret = os_snprintf(pos, end - pos,
1045 "pairwise_cipher=%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,
1052 if (ret < 0 || ret >= end - pos)
1058 #endif /* CONFIG_CTRL_IFACE */
1061 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1063 struct hostapd_iface *iface = wpa_s->ap_iface;
1064 struct wpa_ssid *ssid = wpa_s->current_ssid;
1065 struct hostapd_data *hapd;
1067 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1068 ssid->mode == WPAS_MODE_INFRA ||
1069 ssid->mode == WPAS_MODE_IBSS)
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 */
1080 hapd = iface->bss[0];
1081 if (hapd->drv_priv == NULL)
1083 ieee802_11_set_beacons(iface);
1084 hostapd_set_ap_wps_ie(hapd);
1090 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1091 struct csa_settings *settings)
1094 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1097 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1098 #else /* NEED_AP_MLME */
1100 #endif /* NEED_AP_MLME */
1104 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1106 struct csa_settings settings;
1107 int ret = hostapd_parse_csa_settings(pos, &settings);
1112 return ap_switch_channel(wpa_s, &settings);
1116 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1117 int offset, int width, int cf1, int cf2)
1119 if (!wpa_s->ap_iface)
1122 wpa_s->assoc_freq = freq;
1123 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1127 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1130 struct hostapd_data *hapd;
1131 struct hostapd_bss_config *conf;
1133 if (!wpa_s->ap_iface)
1137 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1140 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1142 hapd = wpa_s->ap_iface->bss[0];
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;
1153 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1157 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1158 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1159 if (conf->accept_mac == NULL)
1161 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1162 conf->num_accept_mac = 1;
1168 #ifdef CONFIG_WPS_NFC
1169 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1170 const struct wpabuf *pw, const u8 *pubkey_hash)
1172 struct hostapd_data *hapd;
1173 struct wps_context *wps;
1175 if (!wpa_s->ap_iface)
1177 hapd = wpa_s->ap_iface->bss[0];
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");
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) {
1195 wpabuf_free(wps->dh_pubkey);
1196 wps->dh_pubkey = NULL;
1197 wpabuf_free(wps->dh_privkey);
1198 wps->dh_privkey = NULL;
1201 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1202 if (wps->dh_ctx == NULL)
1205 return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1207 pw ? wpabuf_head(pw) : NULL,
1208 pw ? wpabuf_len(pw) : 0, 1);
1210 #endif /* CONFIG_WPS_NFC */