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 "ap/dfs.h"
30 #include "wps/wps.h"
31 #include "common/ieee802_11_defs.h"
32 #include "config_ssid.h"
33 #include "config.h"
34 #include "wpa_supplicant_i.h"
35 #include "driver_i.h"
36 #include "p2p_supplicant.h"
37 #include "ap.h"
38 #include "ap/sta_info.h"
39 #include "notify.h"
40
41
42 #ifdef CONFIG_WPS
43 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
44 #endif /* CONFIG_WPS */
45
46
47 #ifdef CONFIG_IEEE80211N
wpas_conf_ap_vht(struct wpa_supplicant * wpa_s,struct hostapd_config * conf,struct hostapd_hw_modes * mode)48 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
49 struct hostapd_config *conf,
50 struct hostapd_hw_modes *mode)
51 {
52 #ifdef CONFIG_P2P
53 u8 center_chan = 0;
54 u8 channel = conf->channel;
55
56 if (!conf->secondary_channel)
57 goto no_vht;
58
59 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
60 if (!center_chan)
61 goto no_vht;
62
63 /* Use 80 MHz channel */
64 conf->vht_oper_chwidth = 1;
65 conf->vht_oper_centr_freq_seg0_idx = center_chan;
66 return;
67
68 no_vht:
69 conf->vht_oper_centr_freq_seg0_idx =
70 channel + conf->secondary_channel * 2;
71 #else /* CONFIG_P2P */
72 conf->vht_oper_centr_freq_seg0_idx =
73 conf->channel + conf->secondary_channel * 2;
74 #endif /* CONFIG_P2P */
75 }
76 #endif /* CONFIG_IEEE80211N */
77
78
wpa_supplicant_conf_ap_ht(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,struct hostapd_config * conf)79 void wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
80 struct wpa_ssid *ssid,
81 struct hostapd_config *conf)
82 {
83 /* TODO: enable HT40 if driver supports it;
84 * drop to 11b if driver does not support 11g */
85
86 #ifdef CONFIG_IEEE80211N
87 /*
88 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
89 * and a mask of allowed capabilities within conf->ht_capab.
90 * Using default config settings for: conf->ht_op_mode_fixed,
91 * conf->secondary_channel, conf->require_ht
92 */
93 if (wpa_s->hw.modes) {
94 struct hostapd_hw_modes *mode = NULL;
95 int i, no_ht = 0;
96 for (i = 0; i < wpa_s->hw.num_modes; i++) {
97 if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
98 mode = &wpa_s->hw.modes[i];
99 break;
100 }
101 }
102
103 #ifdef CONFIG_HT_OVERRIDES
104 if (ssid->disable_ht) {
105 conf->ieee80211n = 0;
106 conf->ht_capab = 0;
107 no_ht = 1;
108 }
109 #endif /* CONFIG_HT_OVERRIDES */
110
111 if (!no_ht && mode && mode->ht_capab) {
112 conf->ieee80211n = 1;
113 #ifdef CONFIG_P2P
114 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
115 (mode->ht_capab &
116 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
117 ssid->ht40)
118 conf->secondary_channel =
119 wpas_p2p_get_ht40_mode(wpa_s, mode,
120 conf->channel);
121 if (conf->secondary_channel)
122 conf->ht_capab |=
123 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
124 #endif /* CONFIG_P2P */
125
126 /*
127 * white-list capabilities that won't cause issues
128 * to connecting stations, while leaving the current
129 * capabilities intact (currently disabled SMPS).
130 */
131 conf->ht_capab |= mode->ht_capab &
132 (HT_CAP_INFO_GREEN_FIELD |
133 HT_CAP_INFO_SHORT_GI20MHZ |
134 HT_CAP_INFO_SHORT_GI40MHZ |
135 HT_CAP_INFO_RX_STBC_MASK |
136 HT_CAP_INFO_TX_STBC |
137 HT_CAP_INFO_MAX_AMSDU_SIZE);
138
139 if (mode->vht_capab && ssid->vht) {
140 conf->ieee80211ac = 1;
141 wpas_conf_ap_vht(wpa_s, conf, mode);
142 }
143 }
144 }
145 #endif /* CONFIG_IEEE80211N */
146 }
147
148
wpa_supplicant_conf_ap(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,struct hostapd_config * conf)149 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
150 struct wpa_ssid *ssid,
151 struct hostapd_config *conf)
152 {
153 struct hostapd_bss_config *bss = conf->bss[0];
154
155 conf->driver = wpa_s->driver;
156
157 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
158
159 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
160 &conf->channel);
161 if (conf->hw_mode == NUM_HOSTAPD_MODES) {
162 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
163 ssid->frequency);
164 return -1;
165 }
166
167 wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
168
169 if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
170 conf->ieee80211h = 1;
171 conf->ieee80211d = 1;
172 conf->country[0] = wpa_s->conf->country[0];
173 conf->country[1] = wpa_s->conf->country[1];
174 }
175
176 #ifdef CONFIG_P2P
177 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
178 (ssid->mode == WPAS_MODE_P2P_GO ||
179 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
180 /* Remove 802.11b rates from supported and basic rate sets */
181 int *list = os_malloc(4 * sizeof(int));
182 if (list) {
183 list[0] = 60;
184 list[1] = 120;
185 list[2] = 240;
186 list[3] = -1;
187 }
188 conf->basic_rates = list;
189
190 list = os_malloc(9 * sizeof(int));
191 if (list) {
192 list[0] = 60;
193 list[1] = 90;
194 list[2] = 120;
195 list[3] = 180;
196 list[4] = 240;
197 list[5] = 360;
198 list[6] = 480;
199 list[7] = 540;
200 list[8] = -1;
201 }
202 conf->supported_rates = list;
203 }
204
205 bss->isolate = !wpa_s->conf->p2p_intra_bss;
206 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
207
208 if (ssid->p2p_group) {
209 os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4);
210 os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask,
211 4);
212 os_memcpy(bss->ip_addr_start,
213 wpa_s->parent->conf->ip_addr_start, 4);
214 os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end,
215 4);
216 }
217 #endif /* CONFIG_P2P */
218
219 if (ssid->ssid_len == 0) {
220 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
221 return -1;
222 }
223 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
224 bss->ssid.ssid_len = ssid->ssid_len;
225 bss->ssid.ssid_set = 1;
226
227 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
228
229 if (ssid->auth_alg)
230 bss->auth_algs = ssid->auth_alg;
231
232 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
233 bss->wpa = ssid->proto;
234 bss->wpa_key_mgmt = ssid->key_mgmt;
235 bss->wpa_pairwise = ssid->pairwise_cipher;
236 if (ssid->psk_set) {
237 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
238 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
239 if (bss->ssid.wpa_psk == NULL)
240 return -1;
241 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
242 bss->ssid.wpa_psk->group = 1;
243 } else if (ssid->passphrase) {
244 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
245 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
246 ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
247 struct hostapd_wep_keys *wep = &bss->ssid.wep;
248 int i;
249 for (i = 0; i < NUM_WEP_KEYS; i++) {
250 if (ssid->wep_key_len[i] == 0)
251 continue;
252 wep->key[i] = os_malloc(ssid->wep_key_len[i]);
253 if (wep->key[i] == NULL)
254 return -1;
255 os_memcpy(wep->key[i], ssid->wep_key[i],
256 ssid->wep_key_len[i]);
257 wep->len[i] = ssid->wep_key_len[i];
258 }
259 wep->idx = ssid->wep_tx_keyidx;
260 wep->keys_set = 1;
261 }
262
263 if (ssid->ap_max_inactivity)
264 bss->ap_max_inactivity = ssid->ap_max_inactivity;
265
266 if (ssid->dtim_period)
267 bss->dtim_period = ssid->dtim_period;
268 else if (wpa_s->conf->dtim_period)
269 bss->dtim_period = wpa_s->conf->dtim_period;
270
271 if (ssid->beacon_int)
272 conf->beacon_int = ssid->beacon_int;
273 else if (wpa_s->conf->beacon_int)
274 conf->beacon_int = wpa_s->conf->beacon_int;
275
276 #ifdef CONFIG_P2P
277 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
278 wpa_printf(MSG_INFO,
279 "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
280 wpa_s->conf->p2p_go_ctwindow, conf->beacon_int);
281 conf->p2p_go_ctwindow = 0;
282 } else {
283 conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
284 }
285 #endif /* CONFIG_P2P */
286
287 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
288 bss->rsn_pairwise = bss->wpa_pairwise;
289 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
290 bss->rsn_pairwise);
291
292 if (bss->wpa && bss->ieee802_1x)
293 bss->ssid.security_policy = SECURITY_WPA;
294 else if (bss->wpa)
295 bss->ssid.security_policy = SECURITY_WPA_PSK;
296 else if (bss->ieee802_1x) {
297 int cipher = WPA_CIPHER_NONE;
298 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
299 bss->ssid.wep.default_len = bss->default_wep_key_len;
300 if (bss->default_wep_key_len)
301 cipher = bss->default_wep_key_len >= 13 ?
302 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
303 bss->wpa_group = cipher;
304 bss->wpa_pairwise = cipher;
305 bss->rsn_pairwise = cipher;
306 } else if (bss->ssid.wep.keys_set) {
307 int cipher = WPA_CIPHER_WEP40;
308 if (bss->ssid.wep.len[0] >= 13)
309 cipher = WPA_CIPHER_WEP104;
310 bss->ssid.security_policy = SECURITY_STATIC_WEP;
311 bss->wpa_group = cipher;
312 bss->wpa_pairwise = cipher;
313 bss->rsn_pairwise = cipher;
314 } else {
315 bss->ssid.security_policy = SECURITY_PLAINTEXT;
316 bss->wpa_group = WPA_CIPHER_NONE;
317 bss->wpa_pairwise = WPA_CIPHER_NONE;
318 bss->rsn_pairwise = WPA_CIPHER_NONE;
319 }
320
321 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
322 (bss->wpa_group == WPA_CIPHER_CCMP ||
323 bss->wpa_group == WPA_CIPHER_GCMP ||
324 bss->wpa_group == WPA_CIPHER_CCMP_256 ||
325 bss->wpa_group == WPA_CIPHER_GCMP_256)) {
326 /*
327 * Strong ciphers do not need frequent rekeying, so increase
328 * the default GTK rekeying period to 24 hours.
329 */
330 bss->wpa_group_rekey = 86400;
331 }
332
333 #ifdef CONFIG_IEEE80211W
334 if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
335 bss->ieee80211w = ssid->ieee80211w;
336 #endif /* CONFIG_IEEE80211W */
337
338 #ifdef CONFIG_WPS
339 /*
340 * Enable WPS by default for open and WPA/WPA2-Personal network, but
341 * require user interaction to actually use it. Only the internal
342 * Registrar is supported.
343 */
344 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
345 bss->ssid.security_policy != SECURITY_PLAINTEXT)
346 goto no_wps;
347 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
348 (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
349 !(bss->wpa & 2)))
350 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
351 * configuration */
352 bss->eap_server = 1;
353
354 if (!ssid->ignore_broadcast_ssid)
355 bss->wps_state = 2;
356
357 bss->ap_setup_locked = 2;
358 if (wpa_s->conf->config_methods)
359 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
360 os_memcpy(bss->device_type, wpa_s->conf->device_type,
361 WPS_DEV_TYPE_LEN);
362 if (wpa_s->conf->device_name) {
363 bss->device_name = os_strdup(wpa_s->conf->device_name);
364 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
365 }
366 if (wpa_s->conf->manufacturer)
367 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
368 if (wpa_s->conf->model_name)
369 bss->model_name = os_strdup(wpa_s->conf->model_name);
370 if (wpa_s->conf->model_number)
371 bss->model_number = os_strdup(wpa_s->conf->model_number);
372 if (wpa_s->conf->serial_number)
373 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
374 if (is_nil_uuid(wpa_s->conf->uuid))
375 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
376 else
377 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
378 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
379 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
380 no_wps:
381 #endif /* CONFIG_WPS */
382
383 if (wpa_s->max_stations &&
384 wpa_s->max_stations < wpa_s->conf->max_num_sta)
385 bss->max_num_sta = wpa_s->max_stations;
386 else
387 bss->max_num_sta = wpa_s->conf->max_num_sta;
388
389 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
390
391 if (wpa_s->conf->ap_vendor_elements) {
392 bss->vendor_elements =
393 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
394 }
395
396 return 0;
397 }
398
399
ap_public_action_rx(void * ctx,const u8 * buf,size_t len,int freq)400 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
401 {
402 #ifdef CONFIG_P2P
403 struct wpa_supplicant *wpa_s = ctx;
404 const struct ieee80211_mgmt *mgmt;
405
406 mgmt = (const struct ieee80211_mgmt *) buf;
407 if (len < IEEE80211_HDRLEN + 1)
408 return;
409 if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
410 return;
411 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
412 mgmt->u.action.category,
413 buf + IEEE80211_HDRLEN + 1,
414 len - IEEE80211_HDRLEN - 1, freq);
415 #endif /* CONFIG_P2P */
416 }
417
418
ap_wps_event_cb(void * ctx,enum wps_event event,union wps_event_data * data)419 static void ap_wps_event_cb(void *ctx, enum wps_event event,
420 union wps_event_data *data)
421 {
422 #ifdef CONFIG_P2P
423 struct wpa_supplicant *wpa_s = ctx;
424
425 if (event == WPS_EV_FAIL) {
426 struct wps_event_fail *fail = &data->fail;
427
428 if (wpa_s->parent && wpa_s->parent != wpa_s &&
429 wpa_s == wpa_s->global->p2p_group_formation) {
430 /*
431 * src/ap/wps_hostapd.c has already sent this on the
432 * main interface, so only send on the parent interface
433 * here if needed.
434 */
435 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
436 "msg=%d config_error=%d",
437 fail->msg, fail->config_error);
438 }
439 wpas_p2p_wps_failed(wpa_s, fail);
440 }
441 #endif /* CONFIG_P2P */
442 }
443
444
ap_sta_authorized_cb(void * ctx,const u8 * mac_addr,int authorized,const u8 * p2p_dev_addr)445 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
446 int authorized, const u8 *p2p_dev_addr)
447 {
448 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
449 }
450
451
452 #ifdef CONFIG_P2P
ap_new_psk_cb(void * ctx,const u8 * mac_addr,const u8 * p2p_dev_addr,const u8 * psk,size_t psk_len)453 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
454 const u8 *psk, size_t psk_len)
455 {
456
457 struct wpa_supplicant *wpa_s = ctx;
458 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
459 return;
460 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
461 }
462 #endif /* CONFIG_P2P */
463
464
ap_vendor_action_rx(void * ctx,const u8 * buf,size_t len,int freq)465 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
466 {
467 #ifdef CONFIG_P2P
468 struct wpa_supplicant *wpa_s = ctx;
469 const struct ieee80211_mgmt *mgmt;
470
471 mgmt = (const struct ieee80211_mgmt *) buf;
472 if (len < IEEE80211_HDRLEN + 1)
473 return -1;
474 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
475 mgmt->u.action.category,
476 buf + IEEE80211_HDRLEN + 1,
477 len - IEEE80211_HDRLEN - 1, freq);
478 #endif /* CONFIG_P2P */
479 return 0;
480 }
481
482
ap_probe_req_rx(void * ctx,const u8 * sa,const u8 * da,const u8 * bssid,const u8 * ie,size_t ie_len,int ssi_signal)483 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
484 const u8 *bssid, const u8 *ie, size_t ie_len,
485 int ssi_signal)
486 {
487 struct wpa_supplicant *wpa_s = ctx;
488 unsigned int freq = 0;
489
490 if (wpa_s->ap_iface)
491 freq = wpa_s->ap_iface->freq;
492
493 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
494 freq, ssi_signal);
495 }
496
497
ap_wps_reg_success_cb(void * ctx,const u8 * mac_addr,const u8 * uuid_e)498 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
499 const u8 *uuid_e)
500 {
501 struct wpa_supplicant *wpa_s = ctx;
502 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
503 }
504
505
wpas_ap_configured_cb(void * ctx)506 static void wpas_ap_configured_cb(void *ctx)
507 {
508 struct wpa_supplicant *wpa_s = ctx;
509
510 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
511
512 if (wpa_s->ap_configured_cb)
513 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
514 wpa_s->ap_configured_cb_data);
515 }
516
517
wpa_supplicant_create_ap(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid)518 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
519 struct wpa_ssid *ssid)
520 {
521 struct wpa_driver_associate_params params;
522 struct hostapd_iface *hapd_iface;
523 struct hostapd_config *conf;
524 size_t i;
525
526 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
527 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
528 return -1;
529 }
530
531 wpa_supplicant_ap_deinit(wpa_s);
532
533 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
534 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
535
536 os_memset(¶ms, 0, sizeof(params));
537 params.ssid = ssid->ssid;
538 params.ssid_len = ssid->ssid_len;
539 switch (ssid->mode) {
540 case WPAS_MODE_AP:
541 case WPAS_MODE_P2P_GO:
542 case WPAS_MODE_P2P_GROUP_FORMATION:
543 params.mode = IEEE80211_MODE_AP;
544 break;
545 default:
546 return -1;
547 }
548 if (ssid->frequency == 0)
549 ssid->frequency = 2462; /* default channel 11 */
550 params.freq.freq = ssid->frequency;
551
552 params.wpa_proto = ssid->proto;
553 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
554 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
555 else
556 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
557 params.key_mgmt_suite = wpa_s->key_mgmt;
558
559 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
560 1);
561 if (wpa_s->pairwise_cipher < 0) {
562 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
563 "cipher.");
564 return -1;
565 }
566 params.pairwise_suite = wpa_s->pairwise_cipher;
567 params.group_suite = params.pairwise_suite;
568
569 #ifdef CONFIG_P2P
570 if (ssid->mode == WPAS_MODE_P2P_GO ||
571 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
572 params.p2p = 1;
573 #endif /* CONFIG_P2P */
574
575 if (wpa_s->parent->set_ap_uapsd)
576 params.uapsd = wpa_s->parent->ap_uapsd;
577 else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
578 params.uapsd = 1; /* mandatory for P2P GO */
579 else
580 params.uapsd = -1;
581
582 if (ieee80211_is_dfs(params.freq.freq))
583 params.freq.freq = 0; /* set channel after CAC */
584
585 if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
586 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
587 return -1;
588 }
589
590 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
591 if (hapd_iface == NULL)
592 return -1;
593 hapd_iface->owner = wpa_s;
594 hapd_iface->drv_flags = wpa_s->drv_flags;
595 hapd_iface->smps_modes = wpa_s->drv_smps_modes;
596 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
597 hapd_iface->extended_capa = wpa_s->extended_capa;
598 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
599 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
600
601 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
602 if (conf == NULL) {
603 wpa_supplicant_ap_deinit(wpa_s);
604 return -1;
605 }
606
607 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
608 wpa_s->conf->wmm_ac_params,
609 sizeof(wpa_s->conf->wmm_ac_params));
610
611 if (params.uapsd > 0) {
612 conf->bss[0]->wmm_enabled = 1;
613 conf->bss[0]->wmm_uapsd = 1;
614 }
615
616 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
617 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
618 wpa_supplicant_ap_deinit(wpa_s);
619 return -1;
620 }
621
622 #ifdef CONFIG_P2P
623 if (ssid->mode == WPAS_MODE_P2P_GO)
624 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
625 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
626 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
627 P2P_GROUP_FORMATION;
628 #endif /* CONFIG_P2P */
629
630 hapd_iface->num_bss = conf->num_bss;
631 hapd_iface->bss = os_calloc(conf->num_bss,
632 sizeof(struct hostapd_data *));
633 if (hapd_iface->bss == NULL) {
634 wpa_supplicant_ap_deinit(wpa_s);
635 return -1;
636 }
637
638 for (i = 0; i < conf->num_bss; i++) {
639 hapd_iface->bss[i] =
640 hostapd_alloc_bss_data(hapd_iface, conf,
641 conf->bss[i]);
642 if (hapd_iface->bss[i] == NULL) {
643 wpa_supplicant_ap_deinit(wpa_s);
644 return -1;
645 }
646
647 hapd_iface->bss[i]->msg_ctx = wpa_s;
648 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->parent;
649 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
650 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
651 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
652 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
653 hostapd_register_probereq_cb(hapd_iface->bss[i],
654 ap_probe_req_rx, wpa_s);
655 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
656 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
657 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
658 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
659 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
660 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
661 #ifdef CONFIG_P2P
662 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
663 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
664 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
665 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
666 ssid);
667 #endif /* CONFIG_P2P */
668 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
669 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
670 #ifdef CONFIG_TESTING_OPTIONS
671 hapd_iface->bss[i]->ext_eapol_frame_io =
672 wpa_s->ext_eapol_frame_io;
673 #endif /* CONFIG_TESTING_OPTIONS */
674 }
675
676 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
677 hapd_iface->bss[0]->driver = wpa_s->driver;
678 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
679
680 wpa_s->current_ssid = ssid;
681 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
682 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
683 wpa_s->assoc_freq = ssid->frequency;
684
685 if (hostapd_setup_interface(wpa_s->ap_iface)) {
686 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
687 wpa_supplicant_ap_deinit(wpa_s);
688 return -1;
689 }
690
691 return 0;
692 }
693
694
wpa_supplicant_ap_deinit(struct wpa_supplicant * wpa_s)695 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
696 {
697 #ifdef CONFIG_WPS
698 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
699 #endif /* CONFIG_WPS */
700
701 if (wpa_s->ap_iface == NULL)
702 return;
703
704 wpa_s->current_ssid = NULL;
705 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
706 wpa_s->assoc_freq = 0;
707 wpas_p2p_ap_deinit(wpa_s);
708 wpa_s->ap_iface->driver_ap_teardown =
709 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
710
711 hostapd_interface_deinit(wpa_s->ap_iface);
712 hostapd_interface_free(wpa_s->ap_iface);
713 wpa_s->ap_iface = NULL;
714 wpa_drv_deinit_ap(wpa_s);
715 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
716 " reason=%d locally_generated=1",
717 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
718 }
719
720
ap_tx_status(void * ctx,const u8 * addr,const u8 * buf,size_t len,int ack)721 void ap_tx_status(void *ctx, const u8 *addr,
722 const u8 *buf, size_t len, int ack)
723 {
724 #ifdef NEED_AP_MLME
725 struct wpa_supplicant *wpa_s = ctx;
726 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
727 #endif /* NEED_AP_MLME */
728 }
729
730
ap_eapol_tx_status(void * ctx,const u8 * dst,const u8 * data,size_t len,int ack)731 void ap_eapol_tx_status(void *ctx, const u8 *dst,
732 const u8 *data, size_t len, int ack)
733 {
734 #ifdef NEED_AP_MLME
735 struct wpa_supplicant *wpa_s = ctx;
736 if (!wpa_s->ap_iface)
737 return;
738 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
739 #endif /* NEED_AP_MLME */
740 }
741
742
ap_client_poll_ok(void * ctx,const u8 * addr)743 void ap_client_poll_ok(void *ctx, const u8 *addr)
744 {
745 #ifdef NEED_AP_MLME
746 struct wpa_supplicant *wpa_s = ctx;
747 if (wpa_s->ap_iface)
748 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
749 #endif /* NEED_AP_MLME */
750 }
751
752
ap_rx_from_unknown_sta(void * ctx,const u8 * addr,int wds)753 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
754 {
755 #ifdef NEED_AP_MLME
756 struct wpa_supplicant *wpa_s = ctx;
757 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
758 #endif /* NEED_AP_MLME */
759 }
760
761
ap_mgmt_rx(void * ctx,struct rx_mgmt * rx_mgmt)762 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
763 {
764 #ifdef NEED_AP_MLME
765 struct wpa_supplicant *wpa_s = ctx;
766 struct hostapd_frame_info fi;
767 os_memset(&fi, 0, sizeof(fi));
768 fi.datarate = rx_mgmt->datarate;
769 fi.ssi_signal = rx_mgmt->ssi_signal;
770 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
771 rx_mgmt->frame_len, &fi);
772 #endif /* NEED_AP_MLME */
773 }
774
775
ap_mgmt_tx_cb(void * ctx,const u8 * buf,size_t len,u16 stype,int ok)776 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
777 {
778 #ifdef NEED_AP_MLME
779 struct wpa_supplicant *wpa_s = ctx;
780 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
781 #endif /* NEED_AP_MLME */
782 }
783
784
wpa_supplicant_ap_rx_eapol(struct wpa_supplicant * wpa_s,const u8 * src_addr,const u8 * buf,size_t len)785 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
786 const u8 *src_addr, const u8 *buf, size_t len)
787 {
788 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
789 }
790
791
792 #ifdef CONFIG_WPS
793
wpa_supplicant_ap_wps_pbc(struct wpa_supplicant * wpa_s,const u8 * bssid,const u8 * p2p_dev_addr)794 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
795 const u8 *p2p_dev_addr)
796 {
797 if (!wpa_s->ap_iface)
798 return -1;
799 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
800 p2p_dev_addr);
801 }
802
803
wpa_supplicant_ap_wps_cancel(struct wpa_supplicant * wpa_s)804 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
805 {
806 struct wps_registrar *reg;
807 int reg_sel = 0, wps_sta = 0;
808
809 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
810 return -1;
811
812 reg = wpa_s->ap_iface->bss[0]->wps->registrar;
813 reg_sel = wps_registrar_wps_cancel(reg);
814 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
815 ap_sta_wps_cancel, NULL);
816
817 if (!reg_sel && !wps_sta) {
818 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
819 "time");
820 return -1;
821 }
822
823 /*
824 * There are 2 cases to return wps cancel as success:
825 * 1. When wps cancel was initiated but no connection has been
826 * established with client yet.
827 * 2. Client is in the middle of exchanging WPS messages.
828 */
829
830 return 0;
831 }
832
833
wpa_supplicant_ap_wps_pin(struct wpa_supplicant * wpa_s,const u8 * bssid,const char * pin,char * buf,size_t buflen,int timeout)834 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
835 const char *pin, char *buf, size_t buflen,
836 int timeout)
837 {
838 int ret, ret_len = 0;
839
840 if (!wpa_s->ap_iface)
841 return -1;
842
843 if (pin == NULL) {
844 unsigned int rpin = wps_generate_pin();
845 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
846 if (os_snprintf_error(buflen, ret_len))
847 return -1;
848 pin = buf;
849 } else if (buf) {
850 ret_len = os_snprintf(buf, buflen, "%s", pin);
851 if (os_snprintf_error(buflen, ret_len))
852 return -1;
853 }
854
855 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
856 timeout);
857 if (ret)
858 return -1;
859 return ret_len;
860 }
861
862
wpas_wps_ap_pin_timeout(void * eloop_data,void * user_ctx)863 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
864 {
865 struct wpa_supplicant *wpa_s = eloop_data;
866 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
867 wpas_wps_ap_pin_disable(wpa_s);
868 }
869
870
wpas_wps_ap_pin_enable(struct wpa_supplicant * wpa_s,int timeout)871 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
872 {
873 struct hostapd_data *hapd;
874
875 if (wpa_s->ap_iface == NULL)
876 return;
877 hapd = wpa_s->ap_iface->bss[0];
878 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
879 hapd->ap_pin_failures = 0;
880 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
881 if (timeout > 0)
882 eloop_register_timeout(timeout, 0,
883 wpas_wps_ap_pin_timeout, wpa_s, NULL);
884 }
885
886
wpas_wps_ap_pin_disable(struct wpa_supplicant * wpa_s)887 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
888 {
889 struct hostapd_data *hapd;
890
891 if (wpa_s->ap_iface == NULL)
892 return;
893 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
894 hapd = wpa_s->ap_iface->bss[0];
895 os_free(hapd->conf->ap_pin);
896 hapd->conf->ap_pin = NULL;
897 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
898 }
899
900
wpas_wps_ap_pin_random(struct wpa_supplicant * wpa_s,int timeout)901 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
902 {
903 struct hostapd_data *hapd;
904 unsigned int pin;
905 char pin_txt[9];
906
907 if (wpa_s->ap_iface == NULL)
908 return NULL;
909 hapd = wpa_s->ap_iface->bss[0];
910 pin = wps_generate_pin();
911 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
912 os_free(hapd->conf->ap_pin);
913 hapd->conf->ap_pin = os_strdup(pin_txt);
914 if (hapd->conf->ap_pin == NULL)
915 return NULL;
916 wpas_wps_ap_pin_enable(wpa_s, timeout);
917
918 return hapd->conf->ap_pin;
919 }
920
921
wpas_wps_ap_pin_get(struct wpa_supplicant * wpa_s)922 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
923 {
924 struct hostapd_data *hapd;
925 if (wpa_s->ap_iface == NULL)
926 return NULL;
927 hapd = wpa_s->ap_iface->bss[0];
928 return hapd->conf->ap_pin;
929 }
930
931
wpas_wps_ap_pin_set(struct wpa_supplicant * wpa_s,const char * pin,int timeout)932 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
933 int timeout)
934 {
935 struct hostapd_data *hapd;
936 char pin_txt[9];
937 int ret;
938
939 if (wpa_s->ap_iface == NULL)
940 return -1;
941 hapd = wpa_s->ap_iface->bss[0];
942 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
943 if (os_snprintf_error(sizeof(pin_txt), ret))
944 return -1;
945 os_free(hapd->conf->ap_pin);
946 hapd->conf->ap_pin = os_strdup(pin_txt);
947 if (hapd->conf->ap_pin == NULL)
948 return -1;
949 wpas_wps_ap_pin_enable(wpa_s, timeout);
950
951 return 0;
952 }
953
954
wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant * wpa_s)955 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
956 {
957 struct hostapd_data *hapd;
958
959 if (wpa_s->ap_iface == NULL)
960 return;
961 hapd = wpa_s->ap_iface->bss[0];
962
963 /*
964 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
965 * PIN if this happens multiple times to slow down brute force attacks.
966 */
967 hapd->ap_pin_failures++;
968 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
969 hapd->ap_pin_failures);
970 if (hapd->ap_pin_failures < 3)
971 return;
972
973 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
974 hapd->ap_pin_failures = 0;
975 os_free(hapd->conf->ap_pin);
976 hapd->conf->ap_pin = NULL;
977 }
978
979
980 #ifdef CONFIG_WPS_NFC
981
wpas_ap_wps_nfc_config_token(struct wpa_supplicant * wpa_s,int ndef)982 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
983 int ndef)
984 {
985 struct hostapd_data *hapd;
986
987 if (wpa_s->ap_iface == NULL)
988 return NULL;
989 hapd = wpa_s->ap_iface->bss[0];
990 return hostapd_wps_nfc_config_token(hapd, ndef);
991 }
992
993
wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant * wpa_s,int ndef)994 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
995 int ndef)
996 {
997 struct hostapd_data *hapd;
998
999 if (wpa_s->ap_iface == NULL)
1000 return NULL;
1001 hapd = wpa_s->ap_iface->bss[0];
1002 return hostapd_wps_nfc_hs_cr(hapd, ndef);
1003 }
1004
1005
wpas_ap_wps_nfc_report_handover(struct wpa_supplicant * wpa_s,const struct wpabuf * req,const struct wpabuf * sel)1006 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1007 const struct wpabuf *req,
1008 const struct wpabuf *sel)
1009 {
1010 struct hostapd_data *hapd;
1011
1012 if (wpa_s->ap_iface == NULL)
1013 return -1;
1014 hapd = wpa_s->ap_iface->bss[0];
1015 return hostapd_wps_nfc_report_handover(hapd, req, sel);
1016 }
1017
1018 #endif /* CONFIG_WPS_NFC */
1019
1020 #endif /* CONFIG_WPS */
1021
1022
1023 #ifdef CONFIG_CTRL_IFACE
1024
ap_ctrl_iface_sta_first(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)1025 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1026 char *buf, size_t buflen)
1027 {
1028 struct hostapd_data *hapd;
1029
1030 if (wpa_s->ap_iface)
1031 hapd = wpa_s->ap_iface->bss[0];
1032 else if (wpa_s->ifmsh)
1033 hapd = wpa_s->ifmsh->bss[0];
1034 else
1035 return -1;
1036 return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1037 }
1038
1039
ap_ctrl_iface_sta(struct wpa_supplicant * wpa_s,const char * txtaddr,char * buf,size_t buflen)1040 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1041 char *buf, size_t buflen)
1042 {
1043 struct hostapd_data *hapd;
1044
1045 if (wpa_s->ap_iface)
1046 hapd = wpa_s->ap_iface->bss[0];
1047 else if (wpa_s->ifmsh)
1048 hapd = wpa_s->ifmsh->bss[0];
1049 else
1050 return -1;
1051 return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1052 }
1053
1054
ap_ctrl_iface_sta_next(struct wpa_supplicant * wpa_s,const char * txtaddr,char * buf,size_t buflen)1055 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1056 char *buf, size_t buflen)
1057 {
1058 struct hostapd_data *hapd;
1059
1060 if (wpa_s->ap_iface)
1061 hapd = wpa_s->ap_iface->bss[0];
1062 else if (wpa_s->ifmsh)
1063 hapd = wpa_s->ifmsh->bss[0];
1064 else
1065 return -1;
1066 return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1067 }
1068
1069
ap_ctrl_iface_sta_disassociate(struct wpa_supplicant * wpa_s,const char * txtaddr)1070 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1071 const char *txtaddr)
1072 {
1073 if (wpa_s->ap_iface == NULL)
1074 return -1;
1075 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1076 txtaddr);
1077 }
1078
1079
ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant * wpa_s,const char * txtaddr)1080 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1081 const char *txtaddr)
1082 {
1083 if (wpa_s->ap_iface == NULL)
1084 return -1;
1085 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1086 txtaddr);
1087 }
1088
1089
ap_ctrl_iface_wpa_get_status(struct wpa_supplicant * wpa_s,char * buf,size_t buflen,int verbose)1090 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1091 size_t buflen, int verbose)
1092 {
1093 char *pos = buf, *end = buf + buflen;
1094 int ret;
1095 struct hostapd_bss_config *conf;
1096
1097 if (wpa_s->ap_iface == NULL)
1098 return -1;
1099
1100 conf = wpa_s->ap_iface->bss[0]->conf;
1101 if (conf->wpa == 0)
1102 return 0;
1103
1104 ret = os_snprintf(pos, end - pos,
1105 "pairwise_cipher=%s\n"
1106 "group_cipher=%s\n"
1107 "key_mgmt=%s\n",
1108 wpa_cipher_txt(conf->rsn_pairwise),
1109 wpa_cipher_txt(conf->wpa_group),
1110 wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1111 conf->wpa));
1112 if (os_snprintf_error(end - pos, ret))
1113 return pos - buf;
1114 pos += ret;
1115 return pos - buf;
1116 }
1117
1118 #endif /* CONFIG_CTRL_IFACE */
1119
1120
wpa_supplicant_ap_update_beacon(struct wpa_supplicant * wpa_s)1121 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1122 {
1123 struct hostapd_iface *iface = wpa_s->ap_iface;
1124 struct wpa_ssid *ssid = wpa_s->current_ssid;
1125 struct hostapd_data *hapd;
1126
1127 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1128 ssid->mode == WPAS_MODE_INFRA ||
1129 ssid->mode == WPAS_MODE_IBSS)
1130 return -1;
1131
1132 #ifdef CONFIG_P2P
1133 if (ssid->mode == WPAS_MODE_P2P_GO)
1134 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1135 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1136 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1137 P2P_GROUP_FORMATION;
1138 #endif /* CONFIG_P2P */
1139
1140 hapd = iface->bss[0];
1141 if (hapd->drv_priv == NULL)
1142 return -1;
1143 ieee802_11_set_beacons(iface);
1144 hostapd_set_ap_wps_ie(hapd);
1145
1146 return 0;
1147 }
1148
1149
ap_switch_channel(struct wpa_supplicant * wpa_s,struct csa_settings * settings)1150 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1151 struct csa_settings *settings)
1152 {
1153 #ifdef NEED_AP_MLME
1154 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1155 return -1;
1156
1157 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1158 #else /* NEED_AP_MLME */
1159 return -1;
1160 #endif /* NEED_AP_MLME */
1161 }
1162
1163
1164 #ifdef CONFIG_CTRL_IFACE
ap_ctrl_iface_chanswitch(struct wpa_supplicant * wpa_s,const char * pos)1165 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1166 {
1167 struct csa_settings settings;
1168 int ret = hostapd_parse_csa_settings(pos, &settings);
1169
1170 if (ret)
1171 return ret;
1172
1173 return ap_switch_channel(wpa_s, &settings);
1174 }
1175 #endif /* CONFIG_CTRL_IFACE */
1176
1177
wpas_ap_ch_switch(struct wpa_supplicant * wpa_s,int freq,int ht,int offset,int width,int cf1,int cf2)1178 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1179 int offset, int width, int cf1, int cf2)
1180 {
1181 if (!wpa_s->ap_iface)
1182 return;
1183
1184 wpa_s->assoc_freq = freq;
1185 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht, offset, width, cf1, cf1);
1186 }
1187
1188
wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant * wpa_s,const u8 * addr)1189 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1190 const u8 *addr)
1191 {
1192 struct hostapd_data *hapd;
1193 struct hostapd_bss_config *conf;
1194
1195 if (!wpa_s->ap_iface)
1196 return -1;
1197
1198 if (addr)
1199 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1200 MAC2STR(addr));
1201 else
1202 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1203
1204 hapd = wpa_s->ap_iface->bss[0];
1205 conf = hapd->conf;
1206
1207 os_free(conf->accept_mac);
1208 conf->accept_mac = NULL;
1209 conf->num_accept_mac = 0;
1210 os_free(conf->deny_mac);
1211 conf->deny_mac = NULL;
1212 conf->num_deny_mac = 0;
1213
1214 if (addr == NULL) {
1215 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1216 return 0;
1217 }
1218
1219 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1220 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1221 if (conf->accept_mac == NULL)
1222 return -1;
1223 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1224 conf->num_accept_mac = 1;
1225
1226 return 0;
1227 }
1228
1229
1230 #ifdef CONFIG_WPS_NFC
wpas_ap_wps_add_nfc_pw(struct wpa_supplicant * wpa_s,u16 pw_id,const struct wpabuf * pw,const u8 * pubkey_hash)1231 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1232 const struct wpabuf *pw, const u8 *pubkey_hash)
1233 {
1234 struct hostapd_data *hapd;
1235 struct wps_context *wps;
1236
1237 if (!wpa_s->ap_iface)
1238 return -1;
1239 hapd = wpa_s->ap_iface->bss[0];
1240 wps = hapd->wps;
1241
1242 if (wpa_s->parent->conf->wps_nfc_dh_pubkey == NULL ||
1243 wpa_s->parent->conf->wps_nfc_dh_privkey == NULL) {
1244 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1245 return -1;
1246 }
1247
1248 dh5_free(wps->dh_ctx);
1249 wpabuf_free(wps->dh_pubkey);
1250 wpabuf_free(wps->dh_privkey);
1251 wps->dh_privkey = wpabuf_dup(
1252 wpa_s->parent->conf->wps_nfc_dh_privkey);
1253 wps->dh_pubkey = wpabuf_dup(
1254 wpa_s->parent->conf->wps_nfc_dh_pubkey);
1255 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1256 wps->dh_ctx = NULL;
1257 wpabuf_free(wps->dh_pubkey);
1258 wps->dh_pubkey = NULL;
1259 wpabuf_free(wps->dh_privkey);
1260 wps->dh_privkey = NULL;
1261 return -1;
1262 }
1263 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1264 if (wps->dh_ctx == NULL)
1265 return -1;
1266
1267 return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1268 pw_id,
1269 pw ? wpabuf_head(pw) : NULL,
1270 pw ? wpabuf_len(pw) : 0, 1);
1271 }
1272 #endif /* CONFIG_WPS_NFC */
1273
1274
1275 #ifdef CONFIG_CTRL_IFACE
wpas_ap_stop_ap(struct wpa_supplicant * wpa_s)1276 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1277 {
1278 struct hostapd_data *hapd;
1279
1280 if (!wpa_s->ap_iface)
1281 return -1;
1282 hapd = wpa_s->ap_iface->bss[0];
1283 return hostapd_ctrl_iface_stop_ap(hapd);
1284 }
1285 #endif /* CONFIG_CTRL_IFACE */
1286
1287
1288 #ifdef NEED_AP_MLME
wpas_event_dfs_radar_detected(struct wpa_supplicant * wpa_s,struct dfs_event * radar)1289 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1290 struct dfs_event *radar)
1291 {
1292 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1293 return;
1294 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1295 hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1296 radar->ht_enabled, radar->chan_offset,
1297 radar->chan_width,
1298 radar->cf1, radar->cf2);
1299 }
1300
1301
wpas_event_dfs_cac_started(struct wpa_supplicant * wpa_s,struct dfs_event * radar)1302 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1303 struct dfs_event *radar)
1304 {
1305 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1306 return;
1307 wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1308 hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1309 radar->ht_enabled, radar->chan_offset,
1310 radar->chan_width, radar->cf1, radar->cf2);
1311 }
1312
1313
wpas_event_dfs_cac_finished(struct wpa_supplicant * wpa_s,struct dfs_event * radar)1314 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1315 struct dfs_event *radar)
1316 {
1317 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1318 return;
1319 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1320 hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1321 radar->ht_enabled, radar->chan_offset,
1322 radar->chan_width, radar->cf1, radar->cf2);
1323 }
1324
1325
wpas_event_dfs_cac_aborted(struct wpa_supplicant * wpa_s,struct dfs_event * radar)1326 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1327 struct dfs_event *radar)
1328 {
1329 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1330 return;
1331 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1332 hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1333 radar->ht_enabled, radar->chan_offset,
1334 radar->chan_width, radar->cf1, radar->cf2);
1335 }
1336
1337
wpas_event_dfs_cac_nop_finished(struct wpa_supplicant * wpa_s,struct dfs_event * radar)1338 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1339 struct dfs_event *radar)
1340 {
1341 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1342 return;
1343 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1344 hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1345 radar->ht_enabled, radar->chan_offset,
1346 radar->chan_width, radar->cf1, radar->cf2);
1347 }
1348 #endif /* NEED_AP_MLME */
1349