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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
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 switch (conf->vht_oper_chwidth) {
60 case VHT_CHANWIDTH_80MHZ:
61 case VHT_CHANWIDTH_80P80MHZ:
62 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
63 break;
64 case VHT_CHANWIDTH_160MHZ:
65 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
66 break;
67 default:
68 /*
69 * conf->vht_oper_chwidth might not be set for non-P2P GO cases,
70 * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
71 * not supported.
72 */
73 conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ;
74 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
75 if (!center_chan) {
76 conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
77 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
78 channel);
79 }
80 break;
81 }
82 if (!center_chan)
83 goto no_vht;
84
85 conf->vht_oper_centr_freq_seg0_idx = center_chan;
86 return;
87
88 no_vht:
89 conf->vht_oper_centr_freq_seg0_idx =
90 channel + conf->secondary_channel * 2;
91 #else /* CONFIG_P2P */
92 conf->vht_oper_centr_freq_seg0_idx =
93 conf->channel + conf->secondary_channel * 2;
94 #endif /* CONFIG_P2P */
95 conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
96 }
97 #endif /* CONFIG_IEEE80211N */
98
99
100 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
101 struct wpa_ssid *ssid,
102 struct hostapd_config *conf)
103 {
104 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
105 &conf->channel);
106
107 if (conf->hw_mode == NUM_HOSTAPD_MODES) {
108 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
109 ssid->frequency);
110 return -1;
111 }
112
113 /* TODO: enable HT40 if driver supports it;
114 * drop to 11b if driver does not support 11g */
115
116 #ifdef CONFIG_IEEE80211N
117 /*
118 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
119 * and a mask of allowed capabilities within conf->ht_capab.
120 * Using default config settings for: conf->ht_op_mode_fixed,
121 * conf->secondary_channel, conf->require_ht
122 */
123 if (wpa_s->hw.modes) {
124 struct hostapd_hw_modes *mode = NULL;
125 int i, no_ht = 0;
126 for (i = 0; i < wpa_s->hw.num_modes; i++) {
127 if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
128 mode = &wpa_s->hw.modes[i];
129 break;
130 }
131 }
132
133 #ifdef CONFIG_HT_OVERRIDES
134 if (ssid->disable_ht) {
135 conf->ieee80211n = 0;
136 conf->ht_capab = 0;
137 no_ht = 1;
138 }
139 #endif /* CONFIG_HT_OVERRIDES */
140
141 if (!no_ht && mode && mode->ht_capab) {
142 conf->ieee80211n = 1;
143 #ifdef CONFIG_P2P
144 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
145 (mode->ht_capab &
146 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
147 ssid->ht40)
148 conf->secondary_channel =
149 wpas_p2p_get_ht40_mode(wpa_s, mode,
150 conf->channel);
151 if (conf->secondary_channel)
152 conf->ht_capab |=
153 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
154 #endif /* CONFIG_P2P */
155
156 /*
157 * white-list capabilities that won't cause issues
158 * to connecting stations, while leaving the current
159 * capabilities intact (currently disabled SMPS).
160 */
161 conf->ht_capab |= mode->ht_capab &
162 (HT_CAP_INFO_GREEN_FIELD |
163 HT_CAP_INFO_SHORT_GI20MHZ |
164 HT_CAP_INFO_SHORT_GI40MHZ |
165 HT_CAP_INFO_RX_STBC_MASK |
166 HT_CAP_INFO_TX_STBC |
167 HT_CAP_INFO_MAX_AMSDU_SIZE);
168
169 if (mode->vht_capab && ssid->vht) {
170 conf->ieee80211ac = 1;
171 conf->vht_capab |= mode->vht_capab;
172 wpas_conf_ap_vht(wpa_s, conf, mode);
173 }
174 }
175 }
176
177 if (conf->secondary_channel) {
178 struct wpa_supplicant *iface;
179
180 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
181 {
182 if (iface == wpa_s ||
183 iface->wpa_state < WPA_AUTHENTICATING ||
184 (int) iface->assoc_freq != ssid->frequency)
185 continue;
186
187 /*
188 * Do not allow 40 MHz co-ex PRI/SEC switch to force us
189 * to change our PRI channel since we have an existing,
190 * concurrent connection on that channel and doing
191 * multi-channel concurrency is likely to cause more
192 * harm than using different PRI/SEC selection in
193 * environment with multiple BSSes on these two channels
194 * with mixed 20 MHz or PRI channel selection.
195 */
196 conf->no_pri_sec_switch = 1;
197 }
198 }
199 #endif /* CONFIG_IEEE80211N */
200
201 return 0;
202 }
203
204
205 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
206 struct wpa_ssid *ssid,
207 struct hostapd_config *conf)
208 {
209 struct hostapd_bss_config *bss = conf->bss[0];
210
211 conf->driver = wpa_s->driver;
212
213 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
214
215 if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
216 return -1;
217
218 if (ssid->pbss > 1) {
219 wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode",
220 ssid->pbss);
221 return -1;
222 }
223 bss->pbss = ssid->pbss;
224
225 #ifdef CONFIG_ACS
226 if (ssid->acs) {
227 /* Setting channel to 0 in order to enable ACS */
228 conf->channel = 0;
229 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
230 }
231 #endif /* CONFIG_ACS */
232
233 if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) {
234 conf->ieee80211h = 1;
235 conf->ieee80211d = 1;
236 conf->country[0] = wpa_s->conf->country[0];
237 conf->country[1] = wpa_s->conf->country[1];
238 conf->country[2] = ' ';
239 }
240
241 #ifdef CONFIG_P2P
242 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
243 (ssid->mode == WPAS_MODE_P2P_GO ||
244 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
245 /* Remove 802.11b rates from supported and basic rate sets */
246 int *list = os_malloc(4 * sizeof(int));
247 if (list) {
248 list[0] = 60;
249 list[1] = 120;
250 list[2] = 240;
251 list[3] = -1;
252 }
253 conf->basic_rates = list;
254
255 list = os_malloc(9 * sizeof(int));
256 if (list) {
257 list[0] = 60;
258 list[1] = 90;
259 list[2] = 120;
260 list[3] = 180;
261 list[4] = 240;
262 list[5] = 360;
263 list[6] = 480;
264 list[7] = 540;
265 list[8] = -1;
266 }
267 conf->supported_rates = list;
268 }
269
270 bss->isolate = !wpa_s->conf->p2p_intra_bss;
271 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
272
273 if (ssid->p2p_group) {
274 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
275 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
276 4);
277 os_memcpy(bss->ip_addr_start,
278 wpa_s->p2pdev->conf->ip_addr_start, 4);
279 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
280 4);
281 }
282 #endif /* CONFIG_P2P */
283
284 if (ssid->ssid_len == 0) {
285 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
286 return -1;
287 }
288 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
289 bss->ssid.ssid_len = ssid->ssid_len;
290 bss->ssid.ssid_set = 1;
291
292 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
293
294 if (ssid->auth_alg)
295 bss->auth_algs = ssid->auth_alg;
296
297 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
298 bss->wpa = ssid->proto;
299 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
300 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
301 else
302 bss->wpa_key_mgmt = ssid->key_mgmt;
303 bss->wpa_pairwise = ssid->pairwise_cipher;
304 if (ssid->psk_set) {
305 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
306 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
307 if (bss->ssid.wpa_psk == NULL)
308 return -1;
309 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
310 bss->ssid.wpa_psk->group = 1;
311 bss->ssid.wpa_psk_set = 1;
312 } else if (ssid->passphrase) {
313 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
314 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
315 ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
316 struct hostapd_wep_keys *wep = &bss->ssid.wep;
317 int i;
318 for (i = 0; i < NUM_WEP_KEYS; i++) {
319 if (ssid->wep_key_len[i] == 0)
320 continue;
321 wep->key[i] = os_memdup(ssid->wep_key[i],
322 ssid->wep_key_len[i]);
323 if (wep->key[i] == NULL)
324 return -1;
325 wep->len[i] = ssid->wep_key_len[i];
326 }
327 wep->idx = ssid->wep_tx_keyidx;
328 wep->keys_set = 1;
329 }
330
331 if (ssid->ap_max_inactivity)
332 bss->ap_max_inactivity = ssid->ap_max_inactivity;
333
334 if (ssid->dtim_period)
335 bss->dtim_period = ssid->dtim_period;
336 else if (wpa_s->conf->dtim_period)
337 bss->dtim_period = wpa_s->conf->dtim_period;
338
339 if (ssid->beacon_int)
340 conf->beacon_int = ssid->beacon_int;
341 else if (wpa_s->conf->beacon_int)
342 conf->beacon_int = wpa_s->conf->beacon_int;
343
344 #ifdef CONFIG_P2P
345 if (ssid->mode == WPAS_MODE_P2P_GO ||
346 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
347 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
348 wpa_printf(MSG_INFO,
349 "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
350 wpa_s->conf->p2p_go_ctwindow,
351 conf->beacon_int);
352 conf->p2p_go_ctwindow = 0;
353 } else {
354 conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
355 }
356 }
357 #endif /* CONFIG_P2P */
358
359 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
360 bss->rsn_pairwise = bss->wpa_pairwise;
361 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
362 bss->rsn_pairwise);
363
364 if (bss->wpa && bss->ieee802_1x)
365 bss->ssid.security_policy = SECURITY_WPA;
366 else if (bss->wpa)
367 bss->ssid.security_policy = SECURITY_WPA_PSK;
368 else if (bss->ieee802_1x) {
369 int cipher = WPA_CIPHER_NONE;
370 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
371 bss->ssid.wep.default_len = bss->default_wep_key_len;
372 if (bss->default_wep_key_len)
373 cipher = bss->default_wep_key_len >= 13 ?
374 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
375 bss->wpa_group = cipher;
376 bss->wpa_pairwise = cipher;
377 bss->rsn_pairwise = cipher;
378 } else if (bss->ssid.wep.keys_set) {
379 int cipher = WPA_CIPHER_WEP40;
380 if (bss->ssid.wep.len[0] >= 13)
381 cipher = WPA_CIPHER_WEP104;
382 bss->ssid.security_policy = SECURITY_STATIC_WEP;
383 bss->wpa_group = cipher;
384 bss->wpa_pairwise = cipher;
385 bss->rsn_pairwise = cipher;
386 } else {
387 bss->ssid.security_policy = SECURITY_PLAINTEXT;
388 bss->wpa_group = WPA_CIPHER_NONE;
389 bss->wpa_pairwise = WPA_CIPHER_NONE;
390 bss->rsn_pairwise = WPA_CIPHER_NONE;
391 }
392
393 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
394 (bss->wpa_group == WPA_CIPHER_CCMP ||
395 bss->wpa_group == WPA_CIPHER_GCMP ||
396 bss->wpa_group == WPA_CIPHER_CCMP_256 ||
397 bss->wpa_group == WPA_CIPHER_GCMP_256)) {
398 /*
399 * Strong ciphers do not need frequent rekeying, so increase
400 * the default GTK rekeying period to 24 hours.
401 */
402 bss->wpa_group_rekey = 86400;
403 }
404
405 #ifdef CONFIG_IEEE80211W
406 if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
407 bss->ieee80211w = ssid->ieee80211w;
408 #endif /* CONFIG_IEEE80211W */
409
410 #ifdef CONFIG_WPS
411 /*
412 * Enable WPS by default for open and WPA/WPA2-Personal network, but
413 * require user interaction to actually use it. Only the internal
414 * Registrar is supported.
415 */
416 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
417 bss->ssid.security_policy != SECURITY_PLAINTEXT)
418 goto no_wps;
419 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
420 (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
421 !(bss->wpa & 2)))
422 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
423 * configuration */
424 if (ssid->wps_disabled)
425 goto no_wps;
426 bss->eap_server = 1;
427
428 if (!ssid->ignore_broadcast_ssid)
429 bss->wps_state = 2;
430
431 bss->ap_setup_locked = 2;
432 if (wpa_s->conf->config_methods)
433 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
434 os_memcpy(bss->device_type, wpa_s->conf->device_type,
435 WPS_DEV_TYPE_LEN);
436 if (wpa_s->conf->device_name) {
437 bss->device_name = os_strdup(wpa_s->conf->device_name);
438 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
439 }
440 if (wpa_s->conf->manufacturer)
441 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
442 if (wpa_s->conf->model_name)
443 bss->model_name = os_strdup(wpa_s->conf->model_name);
444 if (wpa_s->conf->model_number)
445 bss->model_number = os_strdup(wpa_s->conf->model_number);
446 if (wpa_s->conf->serial_number)
447 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
448 if (is_nil_uuid(wpa_s->conf->uuid))
449 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
450 else
451 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
452 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
453 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
454 if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
455 bss->fragment_size = ssid->eap.fragment_size;
456 no_wps:
457 #endif /* CONFIG_WPS */
458
459 if (wpa_s->max_stations &&
460 wpa_s->max_stations < wpa_s->conf->max_num_sta)
461 bss->max_num_sta = wpa_s->max_stations;
462 else
463 bss->max_num_sta = wpa_s->conf->max_num_sta;
464
465 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
466
467 if (wpa_s->conf->ap_vendor_elements) {
468 bss->vendor_elements =
469 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
470 }
471
472 bss->ftm_responder = wpa_s->conf->ftm_responder;
473 bss->ftm_initiator = wpa_s->conf->ftm_initiator;
474
475 return 0;
476 }
477
478
479 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
480 {
481 #ifdef CONFIG_P2P
482 struct wpa_supplicant *wpa_s = ctx;
483 const struct ieee80211_mgmt *mgmt;
484
485 mgmt = (const struct ieee80211_mgmt *) buf;
486 if (len < IEEE80211_HDRLEN + 1)
487 return;
488 if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
489 return;
490 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
491 mgmt->u.action.category,
492 buf + IEEE80211_HDRLEN + 1,
493 len - IEEE80211_HDRLEN - 1, freq);
494 #endif /* CONFIG_P2P */
495 }
496
497
498 static void ap_wps_event_cb(void *ctx, enum wps_event event,
499 union wps_event_data *data)
500 {
501 #ifdef CONFIG_P2P
502 struct wpa_supplicant *wpa_s = ctx;
503
504 if (event == WPS_EV_FAIL) {
505 struct wps_event_fail *fail = &data->fail;
506
507 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
508 wpa_s == wpa_s->global->p2p_group_formation) {
509 /*
510 * src/ap/wps_hostapd.c has already sent this on the
511 * main interface, so only send on the parent interface
512 * here if needed.
513 */
514 wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
515 "msg=%d config_error=%d",
516 fail->msg, fail->config_error);
517 }
518 wpas_p2p_wps_failed(wpa_s, fail);
519 }
520 #endif /* CONFIG_P2P */
521 }
522
523
524 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
525 int authorized, const u8 *p2p_dev_addr)
526 {
527 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
528 }
529
530
531 #ifdef CONFIG_P2P
532 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
533 const u8 *psk, size_t psk_len)
534 {
535
536 struct wpa_supplicant *wpa_s = ctx;
537 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
538 return;
539 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
540 }
541 #endif /* CONFIG_P2P */
542
543
544 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
545 {
546 #ifdef CONFIG_P2P
547 struct wpa_supplicant *wpa_s = ctx;
548 const struct ieee80211_mgmt *mgmt;
549
550 mgmt = (const struct ieee80211_mgmt *) buf;
551 if (len < IEEE80211_HDRLEN + 1)
552 return -1;
553 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
554 mgmt->u.action.category,
555 buf + IEEE80211_HDRLEN + 1,
556 len - IEEE80211_HDRLEN - 1, freq);
557 #endif /* CONFIG_P2P */
558 return 0;
559 }
560
561
562 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
563 const u8 *bssid, const u8 *ie, size_t ie_len,
564 int ssi_signal)
565 {
566 struct wpa_supplicant *wpa_s = ctx;
567 unsigned int freq = 0;
568
569 if (wpa_s->ap_iface)
570 freq = wpa_s->ap_iface->freq;
571
572 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
573 freq, ssi_signal);
574 }
575
576
577 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
578 const u8 *uuid_e)
579 {
580 struct wpa_supplicant *wpa_s = ctx;
581 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
582 }
583
584
585 static void wpas_ap_configured_cb(void *ctx)
586 {
587 struct wpa_supplicant *wpa_s = ctx;
588
589 #ifdef CONFIG_ACS
590 if (wpa_s->current_ssid && wpa_s->current_ssid->acs)
591 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
592 #endif /* CONFIG_ACS */
593
594 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
595
596 if (wpa_s->ap_configured_cb)
597 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
598 wpa_s->ap_configured_cb_data);
599 }
600
601
602 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
603 struct wpa_ssid *ssid)
604 {
605 struct wpa_driver_associate_params params;
606 struct hostapd_iface *hapd_iface;
607 struct hostapd_config *conf;
608 size_t i;
609
610 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
611 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
612 return -1;
613 }
614
615 wpa_supplicant_ap_deinit(wpa_s);
616
617 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
618 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
619
620 os_memset(&params, 0, sizeof(params));
621 params.ssid = ssid->ssid;
622 params.ssid_len = ssid->ssid_len;
623 switch (ssid->mode) {
624 case WPAS_MODE_AP:
625 case WPAS_MODE_P2P_GO:
626 case WPAS_MODE_P2P_GROUP_FORMATION:
627 params.mode = IEEE80211_MODE_AP;
628 break;
629 default:
630 return -1;
631 }
632 if (ssid->frequency == 0)
633 ssid->frequency = 2462; /* default channel 11 */
634 params.freq.freq = ssid->frequency;
635
636 params.wpa_proto = ssid->proto;
637 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
638 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
639 else
640 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
641 params.key_mgmt_suite = wpa_s->key_mgmt;
642
643 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
644 1);
645 if (wpa_s->pairwise_cipher < 0) {
646 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
647 "cipher.");
648 return -1;
649 }
650 params.pairwise_suite = wpa_s->pairwise_cipher;
651 params.group_suite = params.pairwise_suite;
652
653 #ifdef CONFIG_P2P
654 if (ssid->mode == WPAS_MODE_P2P_GO ||
655 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
656 params.p2p = 1;
657 #endif /* CONFIG_P2P */
658
659 if (wpa_s->p2pdev->set_ap_uapsd)
660 params.uapsd = wpa_s->p2pdev->ap_uapsd;
661 else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
662 params.uapsd = 1; /* mandatory for P2P GO */
663 else
664 params.uapsd = -1;
665
666 if (ieee80211_is_dfs(params.freq.freq))
667 params.freq.freq = 0; /* set channel after CAC */
668
669 if (params.p2p)
670 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
671 else
672 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
673
674 if (wpa_drv_associate(wpa_s, &params) < 0) {
675 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
676 return -1;
677 }
678
679 wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface();
680 if (hapd_iface == NULL)
681 return -1;
682 hapd_iface->owner = wpa_s;
683 hapd_iface->drv_flags = wpa_s->drv_flags;
684 hapd_iface->smps_modes = wpa_s->drv_smps_modes;
685 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
686 hapd_iface->extended_capa = wpa_s->extended_capa;
687 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
688 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
689
690 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
691 if (conf == NULL) {
692 wpa_supplicant_ap_deinit(wpa_s);
693 return -1;
694 }
695
696 /* Use the maximum oper channel width if it's given. */
697 if (ssid->max_oper_chwidth)
698 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
699
700 ieee80211_freq_to_chan(ssid->vht_center_freq2,
701 &conf->vht_oper_centr_freq_seg1_idx);
702
703 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
704 wpa_s->conf->wmm_ac_params,
705 sizeof(wpa_s->conf->wmm_ac_params));
706
707 if (params.uapsd > 0) {
708 conf->bss[0]->wmm_enabled = 1;
709 conf->bss[0]->wmm_uapsd = 1;
710 }
711
712 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
713 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
714 wpa_supplicant_ap_deinit(wpa_s);
715 return -1;
716 }
717
718 #ifdef CONFIG_P2P
719 if (ssid->mode == WPAS_MODE_P2P_GO)
720 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
721 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
722 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
723 P2P_GROUP_FORMATION;
724 #endif /* CONFIG_P2P */
725
726 hapd_iface->num_bss = conf->num_bss;
727 hapd_iface->bss = os_calloc(conf->num_bss,
728 sizeof(struct hostapd_data *));
729 if (hapd_iface->bss == NULL) {
730 wpa_supplicant_ap_deinit(wpa_s);
731 return -1;
732 }
733
734 for (i = 0; i < conf->num_bss; i++) {
735 hapd_iface->bss[i] =
736 hostapd_alloc_bss_data(hapd_iface, conf,
737 conf->bss[i]);
738 if (hapd_iface->bss[i] == NULL) {
739 wpa_supplicant_ap_deinit(wpa_s);
740 return -1;
741 }
742
743 hapd_iface->bss[i]->msg_ctx = wpa_s;
744 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
745 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
746 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
747 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
748 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
749 hostapd_register_probereq_cb(hapd_iface->bss[i],
750 ap_probe_req_rx, wpa_s);
751 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
752 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
753 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
754 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
755 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
756 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
757 #ifdef CONFIG_P2P
758 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
759 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
760 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
761 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
762 ssid);
763 #endif /* CONFIG_P2P */
764 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
765 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
766 #ifdef CONFIG_TESTING_OPTIONS
767 hapd_iface->bss[i]->ext_eapol_frame_io =
768 wpa_s->ext_eapol_frame_io;
769 #endif /* CONFIG_TESTING_OPTIONS */
770 }
771
772 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
773 hapd_iface->bss[0]->driver = wpa_s->driver;
774 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
775
776 wpa_s->current_ssid = ssid;
777 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
778 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
779 wpa_s->assoc_freq = ssid->frequency;
780
781 if (hostapd_setup_interface(wpa_s->ap_iface)) {
782 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
783 wpa_supplicant_ap_deinit(wpa_s);
784 return -1;
785 }
786
787 return 0;
788 }
789
790
791 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
792 {
793 #ifdef CONFIG_WPS
794 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
795 #endif /* CONFIG_WPS */
796
797 if (wpa_s->ap_iface == NULL)
798 return;
799
800 wpa_s->current_ssid = NULL;
801 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
802 wpa_s->assoc_freq = 0;
803 wpas_p2p_ap_deinit(wpa_s);
804 wpa_s->ap_iface->driver_ap_teardown =
805 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
806
807 hostapd_interface_deinit(wpa_s->ap_iface);
808 hostapd_interface_free(wpa_s->ap_iface);
809 wpa_s->ap_iface = NULL;
810 wpa_drv_deinit_ap(wpa_s);
811 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
812 " reason=%d locally_generated=1",
813 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
814 }
815
816
817 void ap_tx_status(void *ctx, const u8 *addr,
818 const u8 *buf, size_t len, int ack)
819 {
820 #ifdef NEED_AP_MLME
821 struct wpa_supplicant *wpa_s = ctx;
822 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
823 #endif /* NEED_AP_MLME */
824 }
825
826
827 void ap_eapol_tx_status(void *ctx, const u8 *dst,
828 const u8 *data, size_t len, int ack)
829 {
830 #ifdef NEED_AP_MLME
831 struct wpa_supplicant *wpa_s = ctx;
832 if (!wpa_s->ap_iface)
833 return;
834 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
835 #endif /* NEED_AP_MLME */
836 }
837
838
839 void ap_client_poll_ok(void *ctx, const u8 *addr)
840 {
841 #ifdef NEED_AP_MLME
842 struct wpa_supplicant *wpa_s = ctx;
843 if (wpa_s->ap_iface)
844 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
845 #endif /* NEED_AP_MLME */
846 }
847
848
849 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
850 {
851 #ifdef NEED_AP_MLME
852 struct wpa_supplicant *wpa_s = ctx;
853 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
854 #endif /* NEED_AP_MLME */
855 }
856
857
858 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
859 {
860 #ifdef NEED_AP_MLME
861 struct wpa_supplicant *wpa_s = ctx;
862 struct hostapd_frame_info fi;
863 os_memset(&fi, 0, sizeof(fi));
864 fi.datarate = rx_mgmt->datarate;
865 fi.ssi_signal = rx_mgmt->ssi_signal;
866 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
867 rx_mgmt->frame_len, &fi);
868 #endif /* NEED_AP_MLME */
869 }
870
871
872 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
873 {
874 #ifdef NEED_AP_MLME
875 struct wpa_supplicant *wpa_s = ctx;
876 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
877 #endif /* NEED_AP_MLME */
878 }
879
880
881 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
882 const u8 *src_addr, const u8 *buf, size_t len)
883 {
884 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
885 }
886
887
888 #ifdef CONFIG_WPS
889
890 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
891 const u8 *p2p_dev_addr)
892 {
893 if (!wpa_s->ap_iface)
894 return -1;
895 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
896 p2p_dev_addr);
897 }
898
899
900 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
901 {
902 struct wps_registrar *reg;
903 int reg_sel = 0, wps_sta = 0;
904
905 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
906 return -1;
907
908 reg = wpa_s->ap_iface->bss[0]->wps->registrar;
909 reg_sel = wps_registrar_wps_cancel(reg);
910 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
911 ap_sta_wps_cancel, NULL);
912
913 if (!reg_sel && !wps_sta) {
914 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
915 "time");
916 return -1;
917 }
918
919 /*
920 * There are 2 cases to return wps cancel as success:
921 * 1. When wps cancel was initiated but no connection has been
922 * established with client yet.
923 * 2. Client is in the middle of exchanging WPS messages.
924 */
925
926 return 0;
927 }
928
929
930 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
931 const char *pin, char *buf, size_t buflen,
932 int timeout)
933 {
934 int ret, ret_len = 0;
935
936 if (!wpa_s->ap_iface)
937 return -1;
938
939 if (pin == NULL) {
940 unsigned int rpin;
941
942 if (wps_generate_pin(&rpin) < 0)
943 return -1;
944 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
945 if (os_snprintf_error(buflen, ret_len))
946 return -1;
947 pin = buf;
948 } else if (buf) {
949 ret_len = os_snprintf(buf, buflen, "%s", pin);
950 if (os_snprintf_error(buflen, ret_len))
951 return -1;
952 }
953
954 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
955 timeout);
956 if (ret)
957 return -1;
958 return ret_len;
959 }
960
961
962 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
963 {
964 struct wpa_supplicant *wpa_s = eloop_data;
965 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
966 wpas_wps_ap_pin_disable(wpa_s);
967 }
968
969
970 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
971 {
972 struct hostapd_data *hapd;
973
974 if (wpa_s->ap_iface == NULL)
975 return;
976 hapd = wpa_s->ap_iface->bss[0];
977 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
978 hapd->ap_pin_failures = 0;
979 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
980 if (timeout > 0)
981 eloop_register_timeout(timeout, 0,
982 wpas_wps_ap_pin_timeout, wpa_s, NULL);
983 }
984
985
986 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
987 {
988 struct hostapd_data *hapd;
989
990 if (wpa_s->ap_iface == NULL)
991 return;
992 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
993 hapd = wpa_s->ap_iface->bss[0];
994 os_free(hapd->conf->ap_pin);
995 hapd->conf->ap_pin = NULL;
996 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
997 }
998
999
1000 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
1001 {
1002 struct hostapd_data *hapd;
1003 unsigned int pin;
1004 char pin_txt[9];
1005
1006 if (wpa_s->ap_iface == NULL)
1007 return NULL;
1008 hapd = wpa_s->ap_iface->bss[0];
1009 if (wps_generate_pin(&pin) < 0)
1010 return NULL;
1011 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1012 os_free(hapd->conf->ap_pin);
1013 hapd->conf->ap_pin = os_strdup(pin_txt);
1014 if (hapd->conf->ap_pin == NULL)
1015 return NULL;
1016 wpas_wps_ap_pin_enable(wpa_s, timeout);
1017
1018 return hapd->conf->ap_pin;
1019 }
1020
1021
1022 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1023 {
1024 struct hostapd_data *hapd;
1025 if (wpa_s->ap_iface == NULL)
1026 return NULL;
1027 hapd = wpa_s->ap_iface->bss[0];
1028 return hapd->conf->ap_pin;
1029 }
1030
1031
1032 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1033 int timeout)
1034 {
1035 struct hostapd_data *hapd;
1036 char pin_txt[9];
1037 int ret;
1038
1039 if (wpa_s->ap_iface == NULL)
1040 return -1;
1041 hapd = wpa_s->ap_iface->bss[0];
1042 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1043 if (os_snprintf_error(sizeof(pin_txt), ret))
1044 return -1;
1045 os_free(hapd->conf->ap_pin);
1046 hapd->conf->ap_pin = os_strdup(pin_txt);
1047 if (hapd->conf->ap_pin == NULL)
1048 return -1;
1049 wpas_wps_ap_pin_enable(wpa_s, timeout);
1050
1051 return 0;
1052 }
1053
1054
1055 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1056 {
1057 struct hostapd_data *hapd;
1058
1059 if (wpa_s->ap_iface == NULL)
1060 return;
1061 hapd = wpa_s->ap_iface->bss[0];
1062
1063 /*
1064 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1065 * PIN if this happens multiple times to slow down brute force attacks.
1066 */
1067 hapd->ap_pin_failures++;
1068 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1069 hapd->ap_pin_failures);
1070 if (hapd->ap_pin_failures < 3)
1071 return;
1072
1073 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1074 hapd->ap_pin_failures = 0;
1075 os_free(hapd->conf->ap_pin);
1076 hapd->conf->ap_pin = NULL;
1077 }
1078
1079
1080 #ifdef CONFIG_WPS_NFC
1081
1082 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1083 int ndef)
1084 {
1085 struct hostapd_data *hapd;
1086
1087 if (wpa_s->ap_iface == NULL)
1088 return NULL;
1089 hapd = wpa_s->ap_iface->bss[0];
1090 return hostapd_wps_nfc_config_token(hapd, ndef);
1091 }
1092
1093
1094 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1095 int ndef)
1096 {
1097 struct hostapd_data *hapd;
1098
1099 if (wpa_s->ap_iface == NULL)
1100 return NULL;
1101 hapd = wpa_s->ap_iface->bss[0];
1102 return hostapd_wps_nfc_hs_cr(hapd, ndef);
1103 }
1104
1105
1106 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1107 const struct wpabuf *req,
1108 const struct wpabuf *sel)
1109 {
1110 struct hostapd_data *hapd;
1111
1112 if (wpa_s->ap_iface == NULL)
1113 return -1;
1114 hapd = wpa_s->ap_iface->bss[0];
1115 return hostapd_wps_nfc_report_handover(hapd, req, sel);
1116 }
1117
1118 #endif /* CONFIG_WPS_NFC */
1119
1120 #endif /* CONFIG_WPS */
1121
1122
1123 #ifdef CONFIG_CTRL_IFACE
1124
1125 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1126 char *buf, size_t buflen)
1127 {
1128 struct hostapd_data *hapd;
1129
1130 if (wpa_s->ap_iface)
1131 hapd = wpa_s->ap_iface->bss[0];
1132 else if (wpa_s->ifmsh)
1133 hapd = wpa_s->ifmsh->bss[0];
1134 else
1135 return -1;
1136 return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1137 }
1138
1139
1140 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1141 char *buf, size_t buflen)
1142 {
1143 struct hostapd_data *hapd;
1144
1145 if (wpa_s->ap_iface)
1146 hapd = wpa_s->ap_iface->bss[0];
1147 else if (wpa_s->ifmsh)
1148 hapd = wpa_s->ifmsh->bss[0];
1149 else
1150 return -1;
1151 return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1152 }
1153
1154
1155 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1156 char *buf, size_t buflen)
1157 {
1158 struct hostapd_data *hapd;
1159
1160 if (wpa_s->ap_iface)
1161 hapd = wpa_s->ap_iface->bss[0];
1162 else if (wpa_s->ifmsh)
1163 hapd = wpa_s->ifmsh->bss[0];
1164 else
1165 return -1;
1166 return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1167 }
1168
1169
1170 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1171 const char *txtaddr)
1172 {
1173 if (wpa_s->ap_iface == NULL)
1174 return -1;
1175 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1176 txtaddr);
1177 }
1178
1179
1180 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1181 const char *txtaddr)
1182 {
1183 if (wpa_s->ap_iface == NULL)
1184 return -1;
1185 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1186 txtaddr);
1187 }
1188
1189
1190 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1191 size_t buflen, int verbose)
1192 {
1193 char *pos = buf, *end = buf + buflen;
1194 int ret;
1195 struct hostapd_bss_config *conf;
1196
1197 if (wpa_s->ap_iface == NULL)
1198 return -1;
1199
1200 conf = wpa_s->ap_iface->bss[0]->conf;
1201 if (conf->wpa == 0)
1202 return 0;
1203
1204 ret = os_snprintf(pos, end - pos,
1205 "pairwise_cipher=%s\n"
1206 "group_cipher=%s\n"
1207 "key_mgmt=%s\n",
1208 wpa_cipher_txt(conf->rsn_pairwise),
1209 wpa_cipher_txt(conf->wpa_group),
1210 wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1211 conf->wpa));
1212 if (os_snprintf_error(end - pos, ret))
1213 return pos - buf;
1214 pos += ret;
1215 return pos - buf;
1216 }
1217
1218 #endif /* CONFIG_CTRL_IFACE */
1219
1220
1221 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1222 {
1223 struct hostapd_iface *iface = wpa_s->ap_iface;
1224 struct wpa_ssid *ssid = wpa_s->current_ssid;
1225 struct hostapd_data *hapd;
1226
1227 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1228 ssid->mode == WPAS_MODE_INFRA ||
1229 ssid->mode == WPAS_MODE_IBSS)
1230 return -1;
1231
1232 #ifdef CONFIG_P2P
1233 if (ssid->mode == WPAS_MODE_P2P_GO)
1234 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1235 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1236 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1237 P2P_GROUP_FORMATION;
1238 #endif /* CONFIG_P2P */
1239
1240 hapd = iface->bss[0];
1241 if (hapd->drv_priv == NULL)
1242 return -1;
1243 ieee802_11_set_beacons(iface);
1244 hostapd_set_ap_wps_ie(hapd);
1245
1246 return 0;
1247 }
1248
1249
1250 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1251 struct csa_settings *settings)
1252 {
1253 #ifdef NEED_AP_MLME
1254 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1255 return -1;
1256
1257 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1258 #else /* NEED_AP_MLME */
1259 return -1;
1260 #endif /* NEED_AP_MLME */
1261 }
1262
1263
1264 #ifdef CONFIG_CTRL_IFACE
1265 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1266 {
1267 struct csa_settings settings;
1268 int ret = hostapd_parse_csa_settings(pos, &settings);
1269
1270 if (ret)
1271 return ret;
1272
1273 return ap_switch_channel(wpa_s, &settings);
1274 }
1275 #endif /* CONFIG_CTRL_IFACE */
1276
1277
1278 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1279 int offset, int width, int cf1, int cf2)
1280 {
1281 if (!wpa_s->ap_iface)
1282 return;
1283
1284 wpa_s->assoc_freq = freq;
1285 if (wpa_s->current_ssid)
1286 wpa_s->current_ssid->frequency = freq;
1287 hostapd_event_ch_switch(wpa_s->ap_iface->bss[0], freq, ht,
1288 offset, width, cf1, cf2);
1289 }
1290
1291
1292 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1293 const u8 *addr)
1294 {
1295 struct hostapd_data *hapd;
1296 struct hostapd_bss_config *conf;
1297
1298 if (!wpa_s->ap_iface)
1299 return -1;
1300
1301 if (addr)
1302 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1303 MAC2STR(addr));
1304 else
1305 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1306
1307 hapd = wpa_s->ap_iface->bss[0];
1308 conf = hapd->conf;
1309
1310 os_free(conf->accept_mac);
1311 conf->accept_mac = NULL;
1312 conf->num_accept_mac = 0;
1313 os_free(conf->deny_mac);
1314 conf->deny_mac = NULL;
1315 conf->num_deny_mac = 0;
1316
1317 if (addr == NULL) {
1318 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1319 return 0;
1320 }
1321
1322 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1323 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1324 if (conf->accept_mac == NULL)
1325 return -1;
1326 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1327 conf->num_accept_mac = 1;
1328
1329 return 0;
1330 }
1331
1332
1333 #ifdef CONFIG_WPS_NFC
1334 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1335 const struct wpabuf *pw, const u8 *pubkey_hash)
1336 {
1337 struct hostapd_data *hapd;
1338 struct wps_context *wps;
1339
1340 if (!wpa_s->ap_iface)
1341 return -1;
1342 hapd = wpa_s->ap_iface->bss[0];
1343 wps = hapd->wps;
1344
1345 if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1346 wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1347 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1348 return -1;
1349 }
1350
1351 dh5_free(wps->dh_ctx);
1352 wpabuf_free(wps->dh_pubkey);
1353 wpabuf_free(wps->dh_privkey);
1354 wps->dh_privkey = wpabuf_dup(
1355 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1356 wps->dh_pubkey = wpabuf_dup(
1357 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1358 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1359 wps->dh_ctx = NULL;
1360 wpabuf_free(wps->dh_pubkey);
1361 wps->dh_pubkey = NULL;
1362 wpabuf_free(wps->dh_privkey);
1363 wps->dh_privkey = NULL;
1364 return -1;
1365 }
1366 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1367 if (wps->dh_ctx == NULL)
1368 return -1;
1369
1370 return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1371 pw_id,
1372 pw ? wpabuf_head(pw) : NULL,
1373 pw ? wpabuf_len(pw) : 0, 1);
1374 }
1375 #endif /* CONFIG_WPS_NFC */
1376
1377
1378 #ifdef CONFIG_CTRL_IFACE
1379 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1380 {
1381 struct hostapd_data *hapd;
1382
1383 if (!wpa_s->ap_iface)
1384 return -1;
1385 hapd = wpa_s->ap_iface->bss[0];
1386 return hostapd_ctrl_iface_stop_ap(hapd);
1387 }
1388
1389
1390 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1391 size_t len)
1392 {
1393 size_t reply_len = 0, i;
1394 char ap_delimiter[] = "---- AP ----\n";
1395 char mesh_delimiter[] = "---- mesh ----\n";
1396 size_t dlen;
1397
1398 if (wpa_s->ap_iface) {
1399 dlen = os_strlen(ap_delimiter);
1400 if (dlen > len - reply_len)
1401 return reply_len;
1402 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1403 reply_len += dlen;
1404
1405 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1406 reply_len += hostapd_ctrl_iface_pmksa_list(
1407 wpa_s->ap_iface->bss[i],
1408 &buf[reply_len], len - reply_len);
1409 }
1410 }
1411
1412 if (wpa_s->ifmsh) {
1413 dlen = os_strlen(mesh_delimiter);
1414 if (dlen > len - reply_len)
1415 return reply_len;
1416 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1417 reply_len += dlen;
1418
1419 reply_len += hostapd_ctrl_iface_pmksa_list(
1420 wpa_s->ifmsh->bss[0], &buf[reply_len],
1421 len - reply_len);
1422 }
1423
1424 return reply_len;
1425 }
1426
1427
1428 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1429 {
1430 size_t i;
1431
1432 if (wpa_s->ap_iface) {
1433 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1434 hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1435 }
1436
1437 if (wpa_s->ifmsh)
1438 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1439 }
1440
1441
1442 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
1443 #ifdef CONFIG_MESH
1444
1445 int wpas_ap_pmksa_cache_list_mesh(struct wpa_supplicant *wpa_s, const u8 *addr,
1446 char *buf, size_t len)
1447 {
1448 return hostapd_ctrl_iface_pmksa_list_mesh(wpa_s->ifmsh->bss[0], addr,
1449 &buf[0], len);
1450 }
1451
1452
1453 int wpas_ap_pmksa_cache_add_external(struct wpa_supplicant *wpa_s, char *cmd)
1454 {
1455 struct external_pmksa_cache *entry;
1456 void *pmksa_cache;
1457
1458 pmksa_cache = hostapd_ctrl_iface_pmksa_create_entry(wpa_s->own_addr,
1459 cmd);
1460 if (!pmksa_cache)
1461 return -1;
1462
1463 entry = os_zalloc(sizeof(struct external_pmksa_cache));
1464 if (!entry)
1465 return -1;
1466
1467 entry->pmksa_cache = pmksa_cache;
1468
1469 dl_list_add(&wpa_s->mesh_external_pmksa_cache, &entry->list);
1470
1471 return 0;
1472 }
1473
1474 #endif /* CONFIG_MESH */
1475 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
1476
1477 #endif /* CONFIG_CTRL_IFACE */
1478
1479
1480 #ifdef NEED_AP_MLME
1481 void wpas_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1482 struct dfs_event *radar)
1483 {
1484 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1485 return;
1486 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1487 hostapd_dfs_radar_detected(wpa_s->ap_iface, radar->freq,
1488 radar->ht_enabled, radar->chan_offset,
1489 radar->chan_width,
1490 radar->cf1, radar->cf2);
1491 }
1492
1493
1494 void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1495 struct dfs_event *radar)
1496 {
1497 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1498 return;
1499 wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1500 hostapd_dfs_start_cac(wpa_s->ap_iface, radar->freq,
1501 radar->ht_enabled, radar->chan_offset,
1502 radar->chan_width, radar->cf1, radar->cf2);
1503 }
1504
1505
1506 void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1507 struct dfs_event *radar)
1508 {
1509 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1510 return;
1511 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1512 hostapd_dfs_complete_cac(wpa_s->ap_iface, 1, radar->freq,
1513 radar->ht_enabled, radar->chan_offset,
1514 radar->chan_width, radar->cf1, radar->cf2);
1515 }
1516
1517
1518 void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1519 struct dfs_event *radar)
1520 {
1521 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1522 return;
1523 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1524 hostapd_dfs_complete_cac(wpa_s->ap_iface, 0, radar->freq,
1525 radar->ht_enabled, radar->chan_offset,
1526 radar->chan_width, radar->cf1, radar->cf2);
1527 }
1528
1529
1530 void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1531 struct dfs_event *radar)
1532 {
1533 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1534 return;
1535 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1536 hostapd_dfs_nop_finished(wpa_s->ap_iface, radar->freq,
1537 radar->ht_enabled, radar->chan_offset,
1538 radar->chan_width, radar->cf1, radar->cf2);
1539 }
1540 #endif /* NEED_AP_MLME */
1541
1542
1543 void ap_periodic(struct wpa_supplicant *wpa_s)
1544 {
1545 if (wpa_s->ap_iface)
1546 hostapd_periodic_iface(wpa_s->ap_iface);
1547 }