1 /*
2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2021, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_SQLITE
11 #include <sqlite3.h>
12 #endif /* CONFIG_SQLITE */
13
14 #include "utils/common.h"
15 #include "utils/eloop.h"
16 #include "utils/crc32.h"
17 #include "common/ieee802_11_defs.h"
18 #include "common/wpa_ctrl.h"
19 #include "common/hw_features_common.h"
20 #include "radius/radius_client.h"
21 #include "radius/radius_das.h"
22 #include "eap_server/tncs.h"
23 #include "eapol_auth/eapol_auth_sm.h"
24 #include "eapol_auth/eapol_auth_sm_i.h"
25 #include "fst/fst.h"
26 #include "hostapd.h"
27 #include "authsrv.h"
28 #include "sta_info.h"
29 #include "accounting.h"
30 #include "ap_list.h"
31 #include "beacon.h"
32 #include "ieee802_1x.h"
33 #include "ieee802_11_auth.h"
34 #include "vlan_init.h"
35 #include "wpa_auth.h"
36 #include "wps_hostapd.h"
37 #include "dpp_hostapd.h"
38 #include "gas_query_ap.h"
39 #include "hw_features.h"
40 #include "wpa_auth_glue.h"
41 #include "ap_drv_ops.h"
42 #include "ap_config.h"
43 #include "p2p_hostapd.h"
44 #include "gas_serv.h"
45 #include "dfs.h"
46 #include "ieee802_11.h"
47 #include "bss_load.h"
48 #include "x_snoop.h"
49 #include "dhcp_snoop.h"
50 #include "ndisc_snoop.h"
51 #include "neighbor_db.h"
52 #include "rrm.h"
53 #include "fils_hlp.h"
54 #include "acs.h"
55 #include "hs20.h"
56 #include "airtime_policy.h"
57 #include "wpa_auth_kay.h"
58 #include "hostapd_client.h"
59
60 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
61 #ifdef CONFIG_WEP
62 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
63 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd);
64 #endif /* CONFIG_WEP */
65 static int setup_interface2(struct hostapd_iface *iface);
66 static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx);
67 static void hostapd_interface_setup_failure_handler(void *eloop_ctx,
68 void *timeout_ctx);
69
70
hostapd_for_each_interface(struct hapd_interfaces * interfaces,int (* cb)(struct hostapd_iface * iface,void * ctx),void * ctx)71 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
72 int (*cb)(struct hostapd_iface *iface,
73 void *ctx), void *ctx)
74 {
75 size_t i;
76 int ret;
77
78 for (i = 0; i < interfaces->count; i++) {
79 if (!interfaces->iface[i])
80 continue;
81 ret = cb(interfaces->iface[i], ctx);
82 if (ret)
83 return ret;
84 }
85
86 return 0;
87 }
88
89
hostapd_reconfig_encryption(struct hostapd_data * hapd)90 void hostapd_reconfig_encryption(struct hostapd_data *hapd)
91 {
92 if (hapd->wpa_auth)
93 return;
94
95 hostapd_set_privacy(hapd, 0);
96 #ifdef CONFIG_WEP
97 hostapd_setup_encryption(hapd->conf->iface, hapd);
98 #endif /* CONFIG_WEP */
99 }
100
101
hostapd_reload_bss(struct hostapd_data * hapd)102 static void hostapd_reload_bss(struct hostapd_data *hapd)
103 {
104 struct hostapd_ssid *ssid;
105
106 if (!hapd->started)
107 return;
108
109 if (hapd->conf->wmm_enabled < 0)
110 hapd->conf->wmm_enabled = hapd->iconf->ieee80211n |
111 hapd->iconf->ieee80211ax;
112
113 #ifndef CONFIG_NO_RADIUS
114 radius_client_reconfig(hapd->radius, hapd->conf->radius);
115 #endif /* CONFIG_NO_RADIUS */
116
117 ssid = &hapd->conf->ssid;
118 if (!ssid->wpa_psk_set && ssid->wpa_psk && !ssid->wpa_psk->next &&
119 ssid->wpa_passphrase_set && ssid->wpa_passphrase) {
120 /*
121 * Force PSK to be derived again since SSID or passphrase may
122 * have changed.
123 */
124 hostapd_config_clear_wpa_psk(&hapd->conf->ssid.wpa_psk);
125 }
126 if (hostapd_setup_wpa_psk(hapd->conf)) {
127 wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
128 "after reloading configuration");
129 }
130
131 if (hapd->conf->ieee802_1x || hapd->conf->wpa)
132 hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
133 else
134 hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
135
136 if ((hapd->conf->wpa || hapd->conf->osen) && hapd->wpa_auth == NULL) {
137 hostapd_setup_wpa(hapd);
138 if (hapd->wpa_auth)
139 wpa_init_keys(hapd->wpa_auth);
140 } else if (hapd->conf->wpa) {
141 const u8 *wpa_ie;
142 size_t wpa_ie_len;
143 hostapd_reconfig_wpa(hapd);
144 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
145 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len))
146 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
147 "the kernel driver.");
148 } else if (hapd->wpa_auth) {
149 wpa_deinit(hapd->wpa_auth);
150 hapd->wpa_auth = NULL;
151 hostapd_set_privacy(hapd, 0);
152 #ifdef CONFIG_WEP
153 hostapd_setup_encryption(hapd->conf->iface, hapd);
154 #endif /* CONFIG_WEP */
155 hostapd_set_generic_elem(hapd, (u8 *) "", 0);
156 }
157
158 ieee802_11_set_beacon(hapd);
159 hostapd_update_wps(hapd);
160
161 if (hapd->conf->ssid.ssid_set &&
162 hostapd_set_ssid(hapd, hapd->conf->ssid.ssid,
163 hapd->conf->ssid.ssid_len)) {
164 wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
165 /* try to continue */
166 }
167 wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
168 }
169
170
hostapd_clear_old(struct hostapd_iface * iface)171 static void hostapd_clear_old(struct hostapd_iface *iface)
172 {
173 size_t j;
174
175 /*
176 * Deauthenticate all stations since the new configuration may not
177 * allow them to use the BSS anymore.
178 */
179 for (j = 0; j < iface->num_bss; j++) {
180 hostapd_flush_old_stations(iface->bss[j],
181 WLAN_REASON_PREV_AUTH_NOT_VALID);
182 #ifdef CONFIG_WEP
183 hostapd_broadcast_wep_clear(iface->bss[j]);
184 #endif /* CONFIG_WEP */
185
186 #ifndef CONFIG_NO_RADIUS
187 /* TODO: update dynamic data based on changed configuration
188 * items (e.g., open/close sockets, etc.) */
189 radius_client_flush(iface->bss[j]->radius, 0);
190 #endif /* CONFIG_NO_RADIUS */
191 }
192 }
193
194
hostapd_iface_conf_changed(struct hostapd_config * newconf,struct hostapd_config * oldconf)195 static int hostapd_iface_conf_changed(struct hostapd_config *newconf,
196 struct hostapd_config *oldconf)
197 {
198 size_t i;
199
200 if (newconf->num_bss != oldconf->num_bss)
201 return 1;
202
203 for (i = 0; i < newconf->num_bss; i++) {
204 if (os_strcmp(newconf->bss[i]->iface,
205 oldconf->bss[i]->iface) != 0)
206 return 1;
207 }
208
209 return 0;
210 }
211
212
hostapd_reload_config(struct hostapd_iface * iface)213 int hostapd_reload_config(struct hostapd_iface *iface)
214 {
215 struct hapd_interfaces *interfaces = iface->interfaces;
216 struct hostapd_data *hapd = iface->bss[0];
217 struct hostapd_config *newconf, *oldconf;
218 size_t j;
219
220 if (iface->config_fname == NULL) {
221 /* Only in-memory config in use - assume it has been updated */
222 hostapd_clear_old(iface);
223 for (j = 0; j < iface->num_bss; j++)
224 hostapd_reload_bss(iface->bss[j]);
225 return 0;
226 }
227
228 if (iface->interfaces == NULL ||
229 iface->interfaces->config_read_cb == NULL)
230 return -1;
231 newconf = iface->interfaces->config_read_cb(iface->config_fname);
232 if (newconf == NULL)
233 return -1;
234
235 hostapd_clear_old(iface);
236
237 oldconf = hapd->iconf;
238 if (hostapd_iface_conf_changed(newconf, oldconf)) {
239 char *fname;
240 int res;
241
242 wpa_printf(MSG_DEBUG,
243 "Configuration changes include interface/BSS modification - force full disable+enable sequence");
244 fname = os_strdup(iface->config_fname);
245 if (!fname) {
246 hostapd_config_free(newconf);
247 return -1;
248 }
249 hostapd_remove_iface(interfaces, hapd->conf->iface);
250 iface = hostapd_init(interfaces, fname);
251 os_free(fname);
252 hostapd_config_free(newconf);
253 if (!iface) {
254 wpa_printf(MSG_ERROR,
255 "Failed to initialize interface on config reload");
256 return -1;
257 }
258 iface->interfaces = interfaces;
259 interfaces->iface[interfaces->count] = iface;
260 interfaces->count++;
261 res = hostapd_enable_iface(iface);
262 if (res < 0)
263 wpa_printf(MSG_ERROR,
264 "Failed to enable interface on config reload");
265 return res;
266 }
267 iface->conf = newconf;
268
269 for (j = 0; j < iface->num_bss; j++) {
270 hapd = iface->bss[j];
271 hapd->iconf = newconf;
272 hapd->iconf->channel = oldconf->channel;
273 hapd->iconf->acs = oldconf->acs;
274 hapd->iconf->secondary_channel = oldconf->secondary_channel;
275 hapd->iconf->ieee80211n = oldconf->ieee80211n;
276 hapd->iconf->ieee80211ac = oldconf->ieee80211ac;
277 hapd->iconf->ht_capab = oldconf->ht_capab;
278 hapd->iconf->vht_capab = oldconf->vht_capab;
279 hostapd_set_oper_chwidth(hapd->iconf,
280 hostapd_get_oper_chwidth(oldconf));
281 hostapd_set_oper_centr_freq_seg0_idx(
282 hapd->iconf,
283 hostapd_get_oper_centr_freq_seg0_idx(oldconf));
284 hostapd_set_oper_centr_freq_seg1_idx(
285 hapd->iconf,
286 hostapd_get_oper_centr_freq_seg1_idx(oldconf));
287 hapd->conf = newconf->bss[j];
288 hostapd_reload_bss(hapd);
289 }
290
291 hostapd_config_free(oldconf);
292
293
294 return 0;
295 }
296
297
298 #ifdef CONFIG_WEP
299
hostapd_broadcast_key_clear_iface(struct hostapd_data * hapd,const char * ifname)300 static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
301 const char *ifname)
302 {
303 int i;
304
305 if (!ifname || !hapd->drv_priv)
306 return;
307 for (i = 0; i < NUM_WEP_KEYS; i++) {
308 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i, 0,
309 0, NULL, 0, NULL, 0, KEY_FLAG_GROUP)) {
310 wpa_printf(MSG_DEBUG, "Failed to clear default "
311 "encryption keys (ifname=%s keyidx=%d)",
312 ifname, i);
313 }
314 }
315 if (hapd->conf->ieee80211w) {
316 for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) {
317 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE,
318 NULL, i, 0, 0, NULL,
319 0, NULL, 0, KEY_FLAG_GROUP)) {
320 wpa_printf(MSG_DEBUG, "Failed to clear "
321 "default mgmt encryption keys "
322 "(ifname=%s keyidx=%d)", ifname, i);
323 }
324 }
325 }
326 }
327
328
hostapd_broadcast_wep_clear(struct hostapd_data * hapd)329 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
330 {
331 hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
332 return 0;
333 }
334
335
hostapd_broadcast_wep_set(struct hostapd_data * hapd)336 static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
337 {
338 int errors = 0, idx;
339 struct hostapd_ssid *ssid = &hapd->conf->ssid;
340
341 idx = ssid->wep.idx;
342 if (ssid->wep.default_len && ssid->wep.key[idx] &&
343 hostapd_drv_set_key(hapd->conf->iface,
344 hapd, WPA_ALG_WEP, broadcast_ether_addr, idx, 0,
345 1, NULL, 0, ssid->wep.key[idx],
346 ssid->wep.len[idx],
347 KEY_FLAG_GROUP_RX_TX_DEFAULT)) {
348 wpa_printf(MSG_WARNING, "Could not set WEP encryption.");
349 errors++;
350 }
351
352 return errors;
353 }
354
355 #endif /* CONFIG_WEP */
356
357
hostapd_free_hapd_data(struct hostapd_data * hapd)358 void hostapd_free_hapd_data(struct hostapd_data *hapd)
359 {
360 os_free(hapd->probereq_cb);
361 hapd->probereq_cb = NULL;
362 hapd->num_probereq_cb = 0;
363
364 #ifdef CONFIG_P2P
365 wpabuf_free(hapd->p2p_beacon_ie);
366 hapd->p2p_beacon_ie = NULL;
367 wpabuf_free(hapd->p2p_probe_resp_ie);
368 hapd->p2p_probe_resp_ie = NULL;
369 #endif /* CONFIG_P2P */
370
371 if (!hapd->started) {
372 wpa_printf(MSG_ERROR, "%s: Interface %s wasn't started",
373 __func__, hapd->conf ? hapd->conf->iface : "N/A");
374 return;
375 }
376 hapd->started = 0;
377 hapd->beacon_set_done = 0;
378
379 wpa_printf(MSG_DEBUG, "%s(%s)", __func__, hapd->conf->iface);
380 accounting_deinit(hapd);
381 hostapd_deinit_wpa(hapd);
382 vlan_deinit(hapd);
383 hostapd_acl_deinit(hapd);
384 #ifndef CONFIG_NO_RADIUS
385 radius_client_deinit(hapd->radius);
386 hapd->radius = NULL;
387 radius_das_deinit(hapd->radius_das);
388 hapd->radius_das = NULL;
389 #endif /* CONFIG_NO_RADIUS */
390
391 hostapd_deinit_wps(hapd);
392 ieee802_1x_dealloc_kay_sm_hapd(hapd);
393 #ifdef CONFIG_DPP
394 hostapd_dpp_deinit(hapd);
395 gas_query_ap_deinit(hapd->gas);
396 hapd->gas = NULL;
397 #endif /* CONFIG_DPP */
398
399 authsrv_deinit(hapd);
400
401 if (hapd->interface_added) {
402 hapd->interface_added = 0;
403 if (hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
404 wpa_printf(MSG_WARNING,
405 "Failed to remove BSS interface %s",
406 hapd->conf->iface);
407 hapd->interface_added = 1;
408 } else {
409 /*
410 * Since this was a dynamically added interface, the
411 * driver wrapper may have removed its internal instance
412 * and hapd->drv_priv is not valid anymore.
413 */
414 hapd->drv_priv = NULL;
415 }
416 }
417
418 wpabuf_free(hapd->time_adv);
419 hapd->time_adv = NULL;
420
421 #ifdef CONFIG_INTERWORKING
422 gas_serv_deinit(hapd);
423 #endif /* CONFIG_INTERWORKING */
424
425 bss_load_update_deinit(hapd);
426 ndisc_snoop_deinit(hapd);
427 dhcp_snoop_deinit(hapd);
428 x_snoop_deinit(hapd);
429
430 #ifdef CONFIG_SQLITE
431 bin_clear_free(hapd->tmp_eap_user.identity,
432 hapd->tmp_eap_user.identity_len);
433 bin_clear_free(hapd->tmp_eap_user.password,
434 hapd->tmp_eap_user.password_len);
435 os_memset(&hapd->tmp_eap_user, 0, sizeof(hapd->tmp_eap_user));
436 #endif /* CONFIG_SQLITE */
437
438 #ifdef CONFIG_MESH
439 wpabuf_free(hapd->mesh_pending_auth);
440 hapd->mesh_pending_auth = NULL;
441 /* handling setup failure is already done */
442 hapd->setup_complete_cb = NULL;
443 #endif /* CONFIG_MESH */
444
445 hostapd_clean_rrm(hapd);
446 fils_hlp_deinit(hapd);
447
448 #ifdef CONFIG_OCV
449 eloop_cancel_timeout(hostapd_ocv_check_csa_sa_query, hapd, NULL);
450 #endif /* CONFIG_OCV */
451
452 #ifdef CONFIG_SAE
453 {
454 struct hostapd_sae_commit_queue *q;
455
456 while ((q = dl_list_first(&hapd->sae_commit_queue,
457 struct hostapd_sae_commit_queue,
458 list))) {
459 dl_list_del(&q->list);
460 os_free(q);
461 }
462 }
463 eloop_cancel_timeout(auth_sae_process_commit, hapd, NULL);
464 #endif /* CONFIG_SAE */
465 }
466
467
468 /**
469 * hostapd_cleanup - Per-BSS cleanup (deinitialization)
470 * @hapd: Pointer to BSS data
471 *
472 * This function is used to free all per-BSS data structures and resources.
473 * Most of the modules that are initialized in hostapd_setup_bss() are
474 * deinitialized here.
475 */
hostapd_cleanup(struct hostapd_data * hapd)476 static void hostapd_cleanup(struct hostapd_data *hapd)
477 {
478 wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s))", __func__, hapd,
479 hapd->conf ? hapd->conf->iface : "N/A");
480 if (hapd->iface->interfaces &&
481 hapd->iface->interfaces->ctrl_iface_deinit) {
482 wpa_msg(hapd->msg_ctx, MSG_INFO, WPA_EVENT_TERMINATING);
483 hapd->iface->interfaces->ctrl_iface_deinit(hapd);
484 }
485 hostapd_free_hapd_data(hapd);
486 }
487
488
sta_track_deinit(struct hostapd_iface * iface)489 static void sta_track_deinit(struct hostapd_iface *iface)
490 {
491 struct hostapd_sta_info *info;
492
493 if (!iface->num_sta_seen)
494 return;
495
496 while ((info = dl_list_first(&iface->sta_seen, struct hostapd_sta_info,
497 list))) {
498 dl_list_del(&info->list);
499 iface->num_sta_seen--;
500 sta_track_del(info);
501 }
502 }
503
504
hostapd_cleanup_iface_partial(struct hostapd_iface * iface)505 void hostapd_cleanup_iface_partial(struct hostapd_iface *iface)
506 {
507 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
508 #ifdef NEED_AP_MLME
509 hostapd_stop_setup_timers(iface);
510 #endif /* NEED_AP_MLME */
511 if (iface->current_mode)
512 acs_cleanup(iface);
513 hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
514 iface->hw_features = NULL;
515 iface->current_mode = NULL;
516 os_free(iface->current_rates);
517 iface->current_rates = NULL;
518 os_free(iface->basic_rates);
519 iface->basic_rates = NULL;
520 ap_list_deinit(iface);
521 sta_track_deinit(iface);
522 airtime_policy_update_deinit(iface);
523 }
524
525
526 /**
527 * hostapd_cleanup_iface - Complete per-interface cleanup
528 * @iface: Pointer to interface data
529 *
530 * This function is called after per-BSS data structures are deinitialized
531 * with hostapd_cleanup().
532 */
hostapd_cleanup_iface(struct hostapd_iface * iface)533 static void hostapd_cleanup_iface(struct hostapd_iface *iface)
534 {
535 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
536 eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
537 eloop_cancel_timeout(hostapd_interface_setup_failure_handler, iface,
538 NULL);
539
540 hostapd_cleanup_iface_partial(iface);
541 hostapd_config_free(iface->conf);
542 iface->conf = NULL;
543
544 os_free(iface->config_fname);
545 os_free(iface->bss);
546 wpa_printf(MSG_DEBUG, "%s: free iface=%p", __func__, iface);
547 os_free(iface);
548 }
549
550
551 #ifdef CONFIG_WEP
552
hostapd_clear_wep(struct hostapd_data * hapd)553 static void hostapd_clear_wep(struct hostapd_data *hapd)
554 {
555 if (hapd->drv_priv && !hapd->iface->driver_ap_teardown && hapd->conf) {
556 hostapd_set_privacy(hapd, 0);
557 hostapd_broadcast_wep_clear(hapd);
558 }
559 }
560
561
hostapd_setup_encryption(char * iface,struct hostapd_data * hapd)562 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
563 {
564 int i;
565
566 hostapd_broadcast_wep_set(hapd);
567
568 if (hapd->conf->ssid.wep.default_len) {
569 hostapd_set_privacy(hapd, 1);
570 return 0;
571 }
572
573 /*
574 * When IEEE 802.1X is not enabled, the driver may need to know how to
575 * set authentication algorithms for static WEP.
576 */
577 hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs);
578
579 for (i = 0; i < 4; i++) {
580 if (hapd->conf->ssid.wep.key[i] &&
581 hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i, 0,
582 i == hapd->conf->ssid.wep.idx, NULL, 0,
583 hapd->conf->ssid.wep.key[i],
584 hapd->conf->ssid.wep.len[i],
585 i == hapd->conf->ssid.wep.idx ?
586 KEY_FLAG_GROUP_RX_TX_DEFAULT :
587 KEY_FLAG_GROUP_RX_TX)) {
588 wpa_printf(MSG_WARNING, "Could not set WEP "
589 "encryption.");
590 return -1;
591 }
592 if (hapd->conf->ssid.wep.key[i] &&
593 i == hapd->conf->ssid.wep.idx)
594 hostapd_set_privacy(hapd, 1);
595 }
596
597 return 0;
598 }
599
600 #endif /* CONFIG_WEP */
601
602
hostapd_flush_old_stations(struct hostapd_data * hapd,u16 reason)603 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason)
604 {
605 int ret = 0;
606 u8 addr[ETH_ALEN];
607
608 if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
609 return 0;
610
611 if (!hapd->iface->driver_ap_teardown) {
612 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
613 "Flushing old station entries");
614
615 if (hostapd_flush(hapd)) {
616 wpa_msg(hapd->msg_ctx, MSG_WARNING,
617 "Could not connect to kernel driver");
618 ret = -1;
619 }
620 }
621 if (hapd->conf && hapd->conf->broadcast_deauth) {
622 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
623 "Deauthenticate all stations");
624 os_memset(addr, 0xff, ETH_ALEN);
625 hostapd_drv_sta_deauth(hapd, addr, reason);
626 }
627 hostapd_free_stas(hapd);
628
629 return ret;
630 }
631
632
hostapd_bss_deinit_no_free(struct hostapd_data * hapd)633 void hostapd_bss_deinit_no_free(struct hostapd_data *hapd)
634 {
635 hostapd_free_stas(hapd);
636 hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
637 #ifdef CONFIG_WEP
638 hostapd_clear_wep(hapd);
639 #endif /* CONFIG_WEP */
640 }
641
642
643 /**
644 * hostapd_validate_bssid_configuration - Validate BSSID configuration
645 * @iface: Pointer to interface data
646 * Returns: 0 on success, -1 on failure
647 *
648 * This function is used to validate that the configured BSSIDs are valid.
649 */
hostapd_validate_bssid_configuration(struct hostapd_iface * iface)650 static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
651 {
652 u8 mask[ETH_ALEN] = { 0 };
653 struct hostapd_data *hapd = iface->bss[0];
654 unsigned int i = iface->conf->num_bss, bits = 0, j;
655 int auto_addr = 0;
656
657 if (hostapd_drv_none(hapd))
658 return 0;
659
660 if (iface->conf->use_driver_iface_addr)
661 return 0;
662
663 /* Generate BSSID mask that is large enough to cover the BSSIDs. */
664
665 /* Determine the bits necessary to cover the number of BSSIDs. */
666 for (i--; i; i >>= 1)
667 bits++;
668
669 /* Determine the bits necessary to any configured BSSIDs,
670 if they are higher than the number of BSSIDs. */
671 for (j = 0; j < iface->conf->num_bss; j++) {
672 if (is_zero_ether_addr(iface->conf->bss[j]->bssid)) {
673 if (j)
674 auto_addr++;
675 continue;
676 }
677
678 for (i = 0; i < ETH_ALEN; i++) {
679 mask[i] |=
680 iface->conf->bss[j]->bssid[i] ^
681 hapd->own_addr[i];
682 }
683 }
684
685 if (!auto_addr)
686 goto skip_mask_ext;
687
688 for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
689 ;
690 j = 0;
691 if (i < ETH_ALEN) {
692 j = (5 - i) * 8;
693
694 while (mask[i] != 0) {
695 mask[i] >>= 1;
696 j++;
697 }
698 }
699
700 if (bits < j)
701 bits = j;
702
703 if (bits > 40) {
704 wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)",
705 bits);
706 return -1;
707 }
708
709 os_memset(mask, 0xff, ETH_ALEN);
710 j = bits / 8;
711 for (i = 5; i > 5 - j; i--)
712 mask[i] = 0;
713 j = bits % 8;
714 while (j) {
715 j--;
716 mask[i] <<= 1;
717 }
718
719 skip_mask_ext:
720 wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR_SEC " (%d bits)",
721 (unsigned long) iface->conf->num_bss, MAC2STR_SEC(mask), bits);
722
723 if (!auto_addr)
724 return 0;
725
726 for (i = 0; i < ETH_ALEN; i++) {
727 if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
728 wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR_SEC
729 " for start address " MACSTR_SEC ".",
730 MAC2STR_SEC(mask), MAC2STR_SEC(hapd->own_addr));
731 wpa_printf(MSG_ERROR, "Start address must be the "
732 "first address in the block (i.e., addr "
733 "AND mask == addr).");
734 return -1;
735 }
736 }
737
738 return 0;
739 }
740
741
mac_in_conf(struct hostapd_config * conf,const void * a)742 static int mac_in_conf(struct hostapd_config *conf, const void *a)
743 {
744 size_t i;
745
746 for (i = 0; i < conf->num_bss; i++) {
747 if (hostapd_mac_comp(conf->bss[i]->bssid, a) == 0) {
748 return 1;
749 }
750 }
751
752 return 0;
753 }
754
755
756 #ifndef CONFIG_NO_RADIUS
757
hostapd_das_nas_mismatch(struct hostapd_data * hapd,struct radius_das_attrs * attr)758 static int hostapd_das_nas_mismatch(struct hostapd_data *hapd,
759 struct radius_das_attrs *attr)
760 {
761 if (attr->nas_identifier &&
762 (!hapd->conf->nas_identifier ||
763 os_strlen(hapd->conf->nas_identifier) !=
764 attr->nas_identifier_len ||
765 os_memcmp(hapd->conf->nas_identifier, attr->nas_identifier,
766 attr->nas_identifier_len) != 0)) {
767 wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-Identifier mismatch");
768 return 1;
769 }
770
771 if (attr->nas_ip_addr &&
772 (hapd->conf->own_ip_addr.af != AF_INET ||
773 os_memcmp(&hapd->conf->own_ip_addr.u.v4, attr->nas_ip_addr, 4) !=
774 0)) {
775 wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IP-Address mismatch");
776 return 1;
777 }
778
779 #ifdef CONFIG_IPV6
780 if (attr->nas_ipv6_addr &&
781 (hapd->conf->own_ip_addr.af != AF_INET6 ||
782 os_memcmp(&hapd->conf->own_ip_addr.u.v6, attr->nas_ipv6_addr, 16)
783 != 0)) {
784 wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IPv6-Address mismatch");
785 return 1;
786 }
787 #endif /* CONFIG_IPV6 */
788
789 return 0;
790 }
791
792
hostapd_das_find_sta(struct hostapd_data * hapd,struct radius_das_attrs * attr,int * multi)793 static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd,
794 struct radius_das_attrs *attr,
795 int *multi)
796 {
797 struct sta_info *selected, *sta;
798 char buf[128];
799 int num_attr = 0;
800 int count;
801
802 *multi = 0;
803
804 for (sta = hapd->sta_list; sta; sta = sta->next)
805 sta->radius_das_match = 1;
806
807 if (attr->sta_addr) {
808 num_attr++;
809 sta = ap_get_sta(hapd, attr->sta_addr);
810 if (!sta) {
811 wpa_printf(MSG_DEBUG,
812 "RADIUS DAS: No Calling-Station-Id match");
813 return NULL;
814 }
815
816 selected = sta;
817 for (sta = hapd->sta_list; sta; sta = sta->next) {
818 if (sta != selected)
819 sta->radius_das_match = 0;
820 }
821 wpa_printf(MSG_DEBUG, "RADIUS DAS: Calling-Station-Id match");
822 }
823
824 if (attr->acct_session_id) {
825 num_attr++;
826 if (attr->acct_session_id_len != 16) {
827 wpa_printf(MSG_DEBUG,
828 "RADIUS DAS: Acct-Session-Id cannot match");
829 return NULL;
830 }
831 count = 0;
832
833 for (sta = hapd->sta_list; sta; sta = sta->next) {
834 if (!sta->radius_das_match)
835 continue;
836 os_snprintf(buf, sizeof(buf), "%016llX",
837 (unsigned long long) sta->acct_session_id);
838 if (os_memcmp(attr->acct_session_id, buf, 16) != 0)
839 sta->radius_das_match = 0;
840 else
841 count++;
842 }
843
844 if (count == 0) {
845 wpa_printf(MSG_DEBUG,
846 "RADIUS DAS: No matches remaining after Acct-Session-Id check");
847 return NULL;
848 }
849 wpa_printf(MSG_DEBUG, "RADIUS DAS: Acct-Session-Id match");
850 }
851
852 if (attr->acct_multi_session_id) {
853 num_attr++;
854 if (attr->acct_multi_session_id_len != 16) {
855 wpa_printf(MSG_DEBUG,
856 "RADIUS DAS: Acct-Multi-Session-Id cannot match");
857 return NULL;
858 }
859 count = 0;
860
861 for (sta = hapd->sta_list; sta; sta = sta->next) {
862 if (!sta->radius_das_match)
863 continue;
864 if (!sta->eapol_sm ||
865 !sta->eapol_sm->acct_multi_session_id) {
866 sta->radius_das_match = 0;
867 continue;
868 }
869 os_snprintf(buf, sizeof(buf), "%016llX",
870 (unsigned long long)
871 sta->eapol_sm->acct_multi_session_id);
872 if (os_memcmp(attr->acct_multi_session_id, buf, 16) !=
873 0)
874 sta->radius_das_match = 0;
875 else
876 count++;
877 }
878
879 if (count == 0) {
880 wpa_printf(MSG_DEBUG,
881 "RADIUS DAS: No matches remaining after Acct-Multi-Session-Id check");
882 return NULL;
883 }
884 wpa_printf(MSG_DEBUG,
885 "RADIUS DAS: Acct-Multi-Session-Id match");
886 }
887
888 if (attr->cui) {
889 num_attr++;
890 count = 0;
891
892 for (sta = hapd->sta_list; sta; sta = sta->next) {
893 struct wpabuf *cui;
894
895 if (!sta->radius_das_match)
896 continue;
897 cui = ieee802_1x_get_radius_cui(sta->eapol_sm);
898 if (!cui || wpabuf_len(cui) != attr->cui_len ||
899 os_memcmp(wpabuf_head(cui), attr->cui,
900 attr->cui_len) != 0)
901 sta->radius_das_match = 0;
902 else
903 count++;
904 }
905
906 if (count == 0) {
907 wpa_printf(MSG_DEBUG,
908 "RADIUS DAS: No matches remaining after Chargeable-User-Identity check");
909 return NULL;
910 }
911 wpa_printf(MSG_DEBUG,
912 "RADIUS DAS: Chargeable-User-Identity match");
913 }
914
915 if (attr->user_name) {
916 num_attr++;
917 count = 0;
918
919 for (sta = hapd->sta_list; sta; sta = sta->next) {
920 u8 *identity;
921 size_t identity_len;
922
923 if (!sta->radius_das_match)
924 continue;
925 identity = ieee802_1x_get_identity(sta->eapol_sm,
926 &identity_len);
927 if (!identity ||
928 identity_len != attr->user_name_len ||
929 os_memcmp(identity, attr->user_name, identity_len)
930 != 0)
931 sta->radius_das_match = 0;
932 else
933 count++;
934 }
935
936 if (count == 0) {
937 wpa_printf(MSG_DEBUG,
938 "RADIUS DAS: No matches remaining after User-Name check");
939 return NULL;
940 }
941 wpa_printf(MSG_DEBUG,
942 "RADIUS DAS: User-Name match");
943 }
944
945 if (num_attr == 0) {
946 /*
947 * In theory, we could match all current associations, but it
948 * seems safer to just reject requests that do not include any
949 * session identification attributes.
950 */
951 wpa_printf(MSG_DEBUG,
952 "RADIUS DAS: No session identification attributes included");
953 return NULL;
954 }
955
956 selected = NULL;
957 for (sta = hapd->sta_list; sta; sta = sta->next) {
958 if (sta->radius_das_match) {
959 if (selected) {
960 *multi = 1;
961 return NULL;
962 }
963 selected = sta;
964 }
965 }
966
967 return selected;
968 }
969
970
hostapd_das_disconnect_pmksa(struct hostapd_data * hapd,struct radius_das_attrs * attr)971 static int hostapd_das_disconnect_pmksa(struct hostapd_data *hapd,
972 struct radius_das_attrs *attr)
973 {
974 if (!hapd->wpa_auth)
975 return -1;
976 return wpa_auth_radius_das_disconnect_pmksa(hapd->wpa_auth, attr);
977 }
978
979
980 static enum radius_das_res
hostapd_das_disconnect(void * ctx,struct radius_das_attrs * attr)981 hostapd_das_disconnect(void *ctx, struct radius_das_attrs *attr)
982 {
983 struct hostapd_data *hapd = ctx;
984 struct sta_info *sta;
985 int multi;
986
987 if (hostapd_das_nas_mismatch(hapd, attr))
988 return RADIUS_DAS_NAS_MISMATCH;
989
990 sta = hostapd_das_find_sta(hapd, attr, &multi);
991 if (sta == NULL) {
992 if (multi) {
993 wpa_printf(MSG_DEBUG,
994 "RADIUS DAS: Multiple sessions match - not supported");
995 return RADIUS_DAS_MULTI_SESSION_MATCH;
996 }
997 if (hostapd_das_disconnect_pmksa(hapd, attr) == 0) {
998 wpa_printf(MSG_DEBUG,
999 "RADIUS DAS: PMKSA cache entry matched");
1000 return RADIUS_DAS_SUCCESS;
1001 }
1002 wpa_printf(MSG_DEBUG, "RADIUS DAS: No matching session found");
1003 return RADIUS_DAS_SESSION_NOT_FOUND;
1004 }
1005
1006 wpa_printf(MSG_DEBUG, "RADIUS DAS: Found a matching session " MACSTR_SEC
1007 " - disconnecting", MAC2STR_SEC(sta->addr));
1008 wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr);
1009
1010 hostapd_drv_sta_deauth(hapd, sta->addr,
1011 WLAN_REASON_PREV_AUTH_NOT_VALID);
1012 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID);
1013
1014 return RADIUS_DAS_SUCCESS;
1015 }
1016
1017
1018 #ifdef CONFIG_HS20
1019 static enum radius_das_res
hostapd_das_coa(void * ctx,struct radius_das_attrs * attr)1020 hostapd_das_coa(void *ctx, struct radius_das_attrs *attr)
1021 {
1022 struct hostapd_data *hapd = ctx;
1023 struct sta_info *sta;
1024 int multi;
1025
1026 if (hostapd_das_nas_mismatch(hapd, attr))
1027 return RADIUS_DAS_NAS_MISMATCH;
1028
1029 sta = hostapd_das_find_sta(hapd, attr, &multi);
1030 if (!sta) {
1031 if (multi) {
1032 wpa_printf(MSG_DEBUG,
1033 "RADIUS DAS: Multiple sessions match - not supported");
1034 return RADIUS_DAS_MULTI_SESSION_MATCH;
1035 }
1036 wpa_printf(MSG_DEBUG, "RADIUS DAS: No matching session found");
1037 return RADIUS_DAS_SESSION_NOT_FOUND;
1038 }
1039
1040 wpa_printf(MSG_DEBUG, "RADIUS DAS: Found a matching session " MACSTR_SEC
1041 " - CoA", MAC2STR_SEC(sta->addr));
1042
1043 if (attr->hs20_t_c_filtering) {
1044 if (attr->hs20_t_c_filtering[0] & BIT(0)) {
1045 wpa_printf(MSG_DEBUG,
1046 "HS 2.0: Unexpected Terms and Conditions filtering required in CoA-Request");
1047 return RADIUS_DAS_COA_FAILED;
1048 }
1049
1050 hs20_t_c_filtering(hapd, sta, 0);
1051 }
1052
1053 return RADIUS_DAS_SUCCESS;
1054 }
1055 #else /* CONFIG_HS20 */
1056 #define hostapd_das_coa NULL
1057 #endif /* CONFIG_HS20 */
1058
1059
1060 #ifdef CONFIG_SQLITE
1061
db_table_exists(sqlite3 * db,const char * name)1062 static int db_table_exists(sqlite3 *db, const char *name)
1063 {
1064 char cmd[128];
1065
1066 os_snprintf(cmd, sizeof(cmd), "SELECT 1 FROM %s;", name);
1067 return sqlite3_exec(db, cmd, NULL, NULL, NULL) == SQLITE_OK;
1068 }
1069
1070
db_table_create_radius_attributes(sqlite3 * db)1071 static int db_table_create_radius_attributes(sqlite3 *db)
1072 {
1073 char *err = NULL;
1074 const char *sql =
1075 "CREATE TABLE radius_attributes("
1076 " id INTEGER PRIMARY KEY,"
1077 " sta TEXT,"
1078 " reqtype TEXT,"
1079 " attr TEXT"
1080 ");"
1081 "CREATE INDEX idx_sta_reqtype ON radius_attributes(sta,reqtype);";
1082
1083 wpa_printf(MSG_DEBUG,
1084 "Adding database table for RADIUS attribute information");
1085 if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
1086 wpa_printf(MSG_ERROR, "SQLite error: %s", err);
1087 sqlite3_free(err);
1088 return -1;
1089 }
1090
1091 return 0;
1092 }
1093
1094 #endif /* CONFIG_SQLITE */
1095
1096 #endif /* CONFIG_NO_RADIUS */
1097
1098
1099 /**
1100 * hostapd_setup_bss - Per-BSS setup (initialization)
1101 * @hapd: Pointer to BSS data
1102 * @first: Whether this BSS is the first BSS of an interface; -1 = not first,
1103 * but interface may exist
1104 *
1105 * This function is used to initialize all per-BSS data structures and
1106 * resources. This gets called in a loop for each BSS when an interface is
1107 * initialized. Most of the modules that are initialized here will be
1108 * deinitialized in hostapd_cleanup().
1109 */
hostapd_setup_bss(struct hostapd_data * hapd,int first)1110 static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
1111 {
1112 struct hostapd_bss_config *conf = hapd->conf;
1113 u8 ssid[SSID_MAX_LEN + 1];
1114 int ssid_len, set_ssid;
1115 char force_ifname[IFNAMSIZ];
1116 u8 if_addr[ETH_ALEN];
1117 int flush_old_stations = 1;
1118
1119 wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s), first=%d)",
1120 __func__, hapd, conf->iface, first);
1121
1122 #ifdef EAP_SERVER_TNC
1123 if (conf->tnc && tncs_global_init() < 0) {
1124 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
1125 return -1;
1126 }
1127 #endif /* EAP_SERVER_TNC */
1128
1129 if (hapd->started) {
1130 wpa_printf(MSG_ERROR, "%s: Interface %s was already started",
1131 __func__, conf->iface);
1132 return -1;
1133 }
1134 hapd->started = 1;
1135
1136 if (!first || first == -1) {
1137 u8 *addr = hapd->own_addr;
1138
1139 if (!is_zero_ether_addr(conf->bssid)) {
1140 /* Allocate the configured BSSID. */
1141 os_memcpy(hapd->own_addr, conf->bssid, ETH_ALEN);
1142
1143 if (hostapd_mac_comp(hapd->own_addr,
1144 hapd->iface->bss[0]->own_addr) ==
1145 0) {
1146 wpa_printf(MSG_ERROR, "BSS '%s' may not have "
1147 "BSSID set to the MAC address of "
1148 "the radio", conf->iface);
1149 return -1;
1150 }
1151 } else if (hapd->iconf->use_driver_iface_addr) {
1152 addr = NULL;
1153 } else {
1154 /* Allocate the next available BSSID. */
1155 do {
1156 inc_byte_array(hapd->own_addr, ETH_ALEN);
1157 } while (mac_in_conf(hapd->iconf, hapd->own_addr));
1158 }
1159
1160 hapd->interface_added = 1;
1161 if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
1162 conf->iface, addr, hapd,
1163 &hapd->drv_priv, force_ifname, if_addr,
1164 conf->bridge[0] ? conf->bridge : NULL,
1165 first == -1)) {
1166 wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
1167 MACSTR_SEC ")", MAC2STR_SEC(hapd->own_addr));
1168 hapd->interface_added = 0;
1169 return -1;
1170 }
1171
1172 if (!addr)
1173 os_memcpy(hapd->own_addr, if_addr, ETH_ALEN);
1174 }
1175
1176 if (conf->wmm_enabled < 0)
1177 conf->wmm_enabled = hapd->iconf->ieee80211n |
1178 hapd->iconf->ieee80211ax;
1179
1180 #ifdef CONFIG_IEEE80211R_AP
1181 if (is_zero_ether_addr(conf->r1_key_holder))
1182 os_memcpy(conf->r1_key_holder, hapd->own_addr, ETH_ALEN);
1183 #endif /* CONFIG_IEEE80211R_AP */
1184
1185 #ifdef CONFIG_MESH
1186 if ((hapd->conf->mesh & MESH_ENABLED) && hapd->iface->mconf == NULL)
1187 flush_old_stations = 0;
1188 #endif /* CONFIG_MESH */
1189
1190 if (flush_old_stations)
1191 hostapd_flush(hapd);
1192 hostapd_set_privacy(hapd, 0);
1193
1194 #ifdef CONFIG_WEP
1195 if (!hostapd_drv_nl80211(hapd))
1196 hostapd_broadcast_wep_clear(hapd);
1197 if (hostapd_setup_encryption(conf->iface, hapd))
1198 return -1;
1199 #endif /* CONFIG_WEP */
1200
1201 /*
1202 * Fetch the SSID from the system and use it or,
1203 * if one was specified in the config file, verify they
1204 * match.
1205 */
1206 ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
1207 if (ssid_len < 0) {
1208 wpa_printf(MSG_ERROR, "Could not read SSID from system");
1209 return -1;
1210 }
1211 if (conf->ssid.ssid_set) {
1212 /*
1213 * If SSID is specified in the config file and it differs
1214 * from what is being used then force installation of the
1215 * new SSID.
1216 */
1217 set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
1218 os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
1219 } else {
1220 /*
1221 * No SSID in the config file; just use the one we got
1222 * from the system.
1223 */
1224 set_ssid = 0;
1225 conf->ssid.ssid_len = ssid_len;
1226 os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
1227 }
1228
1229 /*
1230 * Short SSID calculation is identical to FCS and it is defined in
1231 * IEEE P802.11-REVmd/D3.0, 9.4.2.170.3 (Calculating the Short-SSID).
1232 */
1233 conf->ssid.short_ssid = crc32(conf->ssid.ssid, conf->ssid.ssid_len);
1234
1235 if (!hostapd_drv_none(hapd)) {
1236 wpa_printf(MSG_DEBUG, "Using interface %s with hwaddr " MACSTR_SEC
1237 " and ssid \"%s\"",
1238 conf->iface, MAC2STR_SEC(hapd->own_addr),
1239 anonymize_ssid(wpa_ssid_txt(conf->ssid.ssid, conf->ssid.ssid_len)));
1240 }
1241
1242 if (hostapd_setup_wpa_psk(conf)) {
1243 wpa_printf(MSG_ERROR, "WPA-PSK setup failed.");
1244 return -1;
1245 }
1246
1247 /* Set SSID for the kernel driver (to be used in beacon and probe
1248 * response frames) */
1249 if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid,
1250 conf->ssid.ssid_len)) {
1251 wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
1252 return -1;
1253 }
1254
1255 if (wpa_debug_level <= MSG_MSGDUMP)
1256 conf->radius->msg_dumps = 1;
1257 #ifndef CONFIG_NO_RADIUS
1258
1259 #ifdef CONFIG_SQLITE
1260 if (conf->radius_req_attr_sqlite) {
1261 if (sqlite3_open(conf->radius_req_attr_sqlite,
1262 &hapd->rad_attr_db)) {
1263 wpa_printf(MSG_ERROR, "Could not open SQLite file '%s'",
1264 conf->radius_req_attr_sqlite);
1265 return -1;
1266 }
1267
1268 wpa_printf(MSG_DEBUG, "Opening RADIUS attribute database: %s",
1269 conf->radius_req_attr_sqlite);
1270 if (!db_table_exists(hapd->rad_attr_db, "radius_attributes") &&
1271 db_table_create_radius_attributes(hapd->rad_attr_db) < 0)
1272 return -1;
1273 }
1274 #endif /* CONFIG_SQLITE */
1275
1276 hapd->radius = radius_client_init(hapd, conf->radius);
1277 if (hapd->radius == NULL) {
1278 wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
1279 return -1;
1280 }
1281
1282 if (conf->radius_das_port) {
1283 struct radius_das_conf das_conf;
1284 os_memset(&das_conf, 0, sizeof(das_conf));
1285 das_conf.port = conf->radius_das_port;
1286 das_conf.shared_secret = conf->radius_das_shared_secret;
1287 das_conf.shared_secret_len =
1288 conf->radius_das_shared_secret_len;
1289 das_conf.client_addr = &conf->radius_das_client_addr;
1290 das_conf.time_window = conf->radius_das_time_window;
1291 das_conf.require_event_timestamp =
1292 conf->radius_das_require_event_timestamp;
1293 das_conf.require_message_authenticator =
1294 conf->radius_das_require_message_authenticator;
1295 das_conf.ctx = hapd;
1296 das_conf.disconnect = hostapd_das_disconnect;
1297 das_conf.coa = hostapd_das_coa;
1298 hapd->radius_das = radius_das_init(&das_conf);
1299 if (hapd->radius_das == NULL) {
1300 wpa_printf(MSG_ERROR, "RADIUS DAS initialization "
1301 "failed.");
1302 return -1;
1303 }
1304 }
1305 #endif /* CONFIG_NO_RADIUS */
1306
1307 if (hostapd_acl_init(hapd)) {
1308 wpa_printf(MSG_ERROR, "ACL initialization failed.");
1309 return -1;
1310 }
1311 if (hostapd_init_wps(hapd, conf))
1312 return -1;
1313
1314 #ifdef CONFIG_DPP
1315 hapd->gas = gas_query_ap_init(hapd, hapd->msg_ctx);
1316 if (!hapd->gas)
1317 return -1;
1318 if (hostapd_dpp_init(hapd))
1319 return -1;
1320 #endif /* CONFIG_DPP */
1321
1322 if (authsrv_init(hapd) < 0)
1323 return -1;
1324
1325 if (ieee802_1x_init(hapd)) {
1326 wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed.");
1327 return -1;
1328 }
1329
1330 if ((conf->wpa || conf->osen) && hostapd_setup_wpa(hapd))
1331 return -1;
1332
1333 if (accounting_init(hapd)) {
1334 wpa_printf(MSG_ERROR, "Accounting initialization failed.");
1335 return -1;
1336 }
1337
1338 #ifdef CONFIG_INTERWORKING
1339 if (gas_serv_init(hapd)) {
1340 wpa_printf(MSG_ERROR, "GAS server initialization failed");
1341 return -1;
1342 }
1343
1344 if (conf->qos_map_set_len &&
1345 hostapd_drv_set_qos_map(hapd, conf->qos_map_set,
1346 conf->qos_map_set_len)) {
1347 wpa_printf(MSG_ERROR, "Failed to initialize QoS Map");
1348 return -1;
1349 }
1350 #endif /* CONFIG_INTERWORKING */
1351
1352 if (conf->bss_load_update_period && bss_load_update_init(hapd)) {
1353 wpa_printf(MSG_ERROR, "BSS Load initialization failed");
1354 return -1;
1355 }
1356
1357 if (conf->proxy_arp) {
1358 if (x_snoop_init(hapd)) {
1359 wpa_printf(MSG_ERROR,
1360 "Generic snooping infrastructure initialization failed");
1361 return -1;
1362 }
1363
1364 if (dhcp_snoop_init(hapd)) {
1365 wpa_printf(MSG_ERROR,
1366 "DHCP snooping initialization failed");
1367 return -1;
1368 }
1369
1370 if (ndisc_snoop_init(hapd)) {
1371 wpa_printf(MSG_ERROR,
1372 "Neighbor Discovery snooping initialization failed");
1373 return -1;
1374 }
1375 }
1376
1377 if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
1378 wpa_printf(MSG_ERROR, "VLAN initialization failed.");
1379 return -1;
1380 }
1381
1382 if (!conf->start_disabled && ieee802_11_set_beacon(hapd) < 0)
1383 return -1;
1384
1385 if (flush_old_stations && !conf->start_disabled &&
1386 conf->broadcast_deauth) {
1387 u8 addr[ETH_ALEN];
1388
1389 /* Should any previously associated STA not have noticed that
1390 * the AP had stopped and restarted, send one more
1391 * deauthentication notification now that the AP is ready to
1392 * operate. */
1393 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1394 "Deauthenticate all stations at BSS start");
1395 os_memset(addr, 0xff, ETH_ALEN);
1396 hostapd_drv_sta_deauth(hapd, addr,
1397 WLAN_REASON_PREV_AUTH_NOT_VALID);
1398 }
1399
1400 if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
1401 return -1;
1402
1403 if (hapd->driver && hapd->driver->set_operstate)
1404 hapd->driver->set_operstate(hapd->drv_priv, 1);
1405
1406 return 0;
1407 }
1408
1409
hostapd_tx_queue_params(struct hostapd_iface * iface)1410 static void hostapd_tx_queue_params(struct hostapd_iface *iface)
1411 {
1412 struct hostapd_data *hapd = iface->bss[0];
1413 int i;
1414 struct hostapd_tx_queue_params *p;
1415
1416 #ifdef CONFIG_MESH
1417 if ((hapd->conf->mesh & MESH_ENABLED) && iface->mconf == NULL)
1418 return;
1419 #endif /* CONFIG_MESH */
1420
1421 for (i = 0; i < NUM_TX_QUEUES; i++) {
1422 p = &iface->conf->tx_queue[i];
1423
1424 if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
1425 p->cwmax, p->burst)) {
1426 wpa_printf(MSG_DEBUG, "Failed to set TX queue "
1427 "parameters for queue %d.", i);
1428 /* Continue anyway */
1429 }
1430 }
1431 }
1432
1433
hostapd_set_acl_list(struct hostapd_data * hapd,struct mac_acl_entry * mac_acl,int n_entries,u8 accept_acl)1434 static int hostapd_set_acl_list(struct hostapd_data *hapd,
1435 struct mac_acl_entry *mac_acl,
1436 int n_entries, u8 accept_acl)
1437 {
1438 struct hostapd_acl_params *acl_params;
1439 int i, err;
1440
1441 acl_params = os_zalloc(sizeof(*acl_params) +
1442 (n_entries * sizeof(acl_params->mac_acl[0])));
1443 if (!acl_params)
1444 return -ENOMEM;
1445
1446 for (i = 0; i < n_entries; i++)
1447 os_memcpy(acl_params->mac_acl[i].addr, mac_acl[i].addr,
1448 ETH_ALEN);
1449
1450 acl_params->acl_policy = accept_acl;
1451 acl_params->num_mac_acl = n_entries;
1452
1453 err = hostapd_drv_set_acl(hapd, acl_params);
1454
1455 os_free(acl_params);
1456
1457 return err;
1458 }
1459
1460
hostapd_set_acl(struct hostapd_data * hapd)1461 static void hostapd_set_acl(struct hostapd_data *hapd)
1462 {
1463 struct hostapd_config *conf = hapd->iconf;
1464 int err;
1465 u8 accept_acl;
1466
1467 if (hapd->iface->drv_max_acl_mac_addrs == 0)
1468 return;
1469
1470 if (conf->bss[0]->macaddr_acl == DENY_UNLESS_ACCEPTED) {
1471 accept_acl = 1;
1472 err = hostapd_set_acl_list(hapd, conf->bss[0]->accept_mac,
1473 conf->bss[0]->num_accept_mac,
1474 accept_acl);
1475 if (err) {
1476 wpa_printf(MSG_DEBUG, "Failed to set accept acl");
1477 return;
1478 }
1479 } else if (conf->bss[0]->macaddr_acl == ACCEPT_UNLESS_DENIED) {
1480 accept_acl = 0;
1481 err = hostapd_set_acl_list(hapd, conf->bss[0]->deny_mac,
1482 conf->bss[0]->num_deny_mac,
1483 accept_acl);
1484 if (err) {
1485 wpa_printf(MSG_DEBUG, "Failed to set deny acl");
1486 return;
1487 }
1488 }
1489 }
1490
1491
start_ctrl_iface_bss(struct hostapd_data * hapd)1492 static int start_ctrl_iface_bss(struct hostapd_data *hapd)
1493 {
1494 if (!hapd->iface->interfaces ||
1495 !hapd->iface->interfaces->ctrl_iface_init)
1496 return 0;
1497
1498 if (hapd->iface->interfaces->ctrl_iface_init(hapd)) {
1499 wpa_printf(MSG_ERROR,
1500 "Failed to setup control interface for %s",
1501 hapd->conf->iface);
1502 return -1;
1503 }
1504
1505 return 0;
1506 }
1507
1508
start_ctrl_iface(struct hostapd_iface * iface)1509 static int start_ctrl_iface(struct hostapd_iface *iface)
1510 {
1511 size_t i;
1512
1513 if (!iface->interfaces || !iface->interfaces->ctrl_iface_init)
1514 return 0;
1515
1516 for (i = 0; i < iface->num_bss; i++) {
1517 struct hostapd_data *hapd = iface->bss[i];
1518 if (iface->interfaces->ctrl_iface_init(hapd)) {
1519 wpa_printf(MSG_ERROR,
1520 "Failed to setup control interface for %s",
1521 hapd->conf->iface);
1522 return -1;
1523 }
1524 }
1525
1526 return 0;
1527 }
1528
1529
channel_list_update_timeout(void * eloop_ctx,void * timeout_ctx)1530 static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx)
1531 {
1532 struct hostapd_iface *iface = eloop_ctx;
1533
1534 if (!iface->wait_channel_update) {
1535 wpa_printf(MSG_INFO, "Channel list update timeout, but interface was not waiting for it");
1536 return;
1537 }
1538
1539 /*
1540 * It is possible that the existing channel list is acceptable, so try
1541 * to proceed.
1542 */
1543 wpa_printf(MSG_DEBUG, "Channel list update timeout - try to continue anyway");
1544 setup_interface2(iface);
1545 }
1546
1547
hostapd_channel_list_updated(struct hostapd_iface * iface,int initiator)1548 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator)
1549 {
1550 if (!iface->wait_channel_update || initiator != REGDOM_SET_BY_USER)
1551 return;
1552
1553 wpa_printf(MSG_DEBUG, "Channel list updated - continue setup");
1554 eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
1555 setup_interface2(iface);
1556 }
1557
1558
setup_interface(struct hostapd_iface * iface)1559 static int setup_interface(struct hostapd_iface *iface)
1560 {
1561 struct hostapd_data *hapd = iface->bss[0];
1562 size_t i;
1563
1564 /*
1565 * It is possible that setup_interface() is called after the interface
1566 * was disabled etc., in which case driver_ap_teardown is possibly set
1567 * to 1. Clear it here so any other key/station deletion, which is not
1568 * part of a teardown flow, would also call the relevant driver
1569 * callbacks.
1570 */
1571 iface->driver_ap_teardown = 0;
1572
1573 if (!iface->phy[0]) {
1574 const char *phy = hostapd_drv_get_radio_name(hapd);
1575 if (phy) {
1576 wpa_printf(MSG_DEBUG, "phy: %s", phy);
1577 os_strlcpy(iface->phy, phy, sizeof(iface->phy));
1578 }
1579 }
1580
1581 /*
1582 * Make sure that all BSSes get configured with a pointer to the same
1583 * driver interface.
1584 */
1585 for (i = 1; i < iface->num_bss; i++) {
1586 iface->bss[i]->driver = hapd->driver;
1587 iface->bss[i]->drv_priv = hapd->drv_priv;
1588 }
1589
1590 if (hostapd_validate_bssid_configuration(iface))
1591 return -1;
1592
1593 /*
1594 * Initialize control interfaces early to allow external monitoring of
1595 * channel setup operations that may take considerable amount of time
1596 * especially for DFS cases.
1597 */
1598 if (start_ctrl_iface(iface))
1599 return -1;
1600
1601 if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
1602 char country[4], previous_country[4];
1603
1604 hostapd_set_state(iface, HAPD_IFACE_COUNTRY_UPDATE);
1605 if (hostapd_get_country(hapd, previous_country) < 0)
1606 previous_country[0] = '\0';
1607
1608 os_memcpy(country, hapd->iconf->country, 3);
1609 country[3] = '\0';
1610 if (hostapd_set_country(hapd, country) < 0) {
1611 wpa_printf(MSG_ERROR, "Failed to set country code");
1612 return -1;
1613 }
1614
1615 wpa_printf(MSG_DEBUG, "Previous country code %s, new country code %s",
1616 previous_country, country);
1617
1618 if (os_strncmp(previous_country, country, 2) != 0) {
1619 wpa_printf(MSG_DEBUG, "Continue interface setup after channel list update");
1620 iface->wait_channel_update = 1;
1621 eloop_register_timeout(5, 0,
1622 channel_list_update_timeout,
1623 iface, NULL);
1624 return 0;
1625 }
1626 }
1627
1628 return setup_interface2(iface);
1629 }
1630
1631
configured_fixed_chan_to_freq(struct hostapd_iface * iface)1632 static int configured_fixed_chan_to_freq(struct hostapd_iface *iface)
1633 {
1634 int freq, i, j;
1635
1636 if (!iface->conf->channel)
1637 return 0;
1638 if (iface->conf->op_class) {
1639 freq = ieee80211_chan_to_freq(NULL, iface->conf->op_class,
1640 iface->conf->channel);
1641 if (freq < 0) {
1642 wpa_printf(MSG_INFO,
1643 "Could not convert op_class %u channel %u to operating frequency",
1644 iface->conf->op_class, iface->conf->channel);
1645 return -1;
1646 }
1647 iface->freq = freq;
1648 return 0;
1649 }
1650
1651 /* Old configurations using only 2.4/5/60 GHz bands may not specify the
1652 * op_class parameter. Select a matching channel from the configured
1653 * mode using the channel parameter for these cases.
1654 */
1655 for (j = 0; j < iface->num_hw_features; j++) {
1656 struct hostapd_hw_modes *mode = &iface->hw_features[j];
1657
1658 if (iface->conf->hw_mode != HOSTAPD_MODE_IEEE80211ANY &&
1659 iface->conf->hw_mode != mode->mode)
1660 continue;
1661 for (i = 0; i < mode->num_channels; i++) {
1662 struct hostapd_channel_data *chan = &mode->channels[i];
1663
1664 if (chan->chan == iface->conf->channel &&
1665 !is_6ghz_freq(chan->freq)) {
1666 iface->freq = chan->freq;
1667 return 0;
1668 }
1669 }
1670 }
1671
1672 wpa_printf(MSG_INFO, "Could not determine operating frequency");
1673 return -1;
1674 }
1675
1676
hostapd_set_6ghz_sec_chan(struct hostapd_iface * iface)1677 static void hostapd_set_6ghz_sec_chan(struct hostapd_iface *iface)
1678 {
1679 int bw, seg0;
1680
1681 if (!is_6ghz_op_class(iface->conf->op_class))
1682 return;
1683
1684 seg0 = hostapd_get_oper_centr_freq_seg0_idx(iface->conf);
1685 bw = center_idx_to_bw_6ghz(seg0);
1686 /* Assign the secondary channel if absent in config for
1687 * bandwidths > 20 MHz */
1688 if (bw > 20 && !iface->conf->secondary_channel) {
1689 if (((iface->conf->channel - 1) / 4) % 2)
1690 iface->conf->secondary_channel = -1;
1691 else
1692 iface->conf->secondary_channel = 1;
1693 }
1694 }
1695
1696
setup_interface2(struct hostapd_iface * iface)1697 static int setup_interface2(struct hostapd_iface *iface)
1698 {
1699 iface->wait_channel_update = 0;
1700
1701 if (hostapd_get_hw_features(iface)) {
1702 /* Not all drivers support this yet, so continue without hw
1703 * feature data. */
1704 } else {
1705 int ret;
1706
1707 ret = configured_fixed_chan_to_freq(iface);
1708 if (ret < 0)
1709 goto fail;
1710
1711 if (iface->conf->op_class) {
1712 int ch_width;
1713
1714 ch_width = op_class_to_ch_width(iface->conf->op_class);
1715 hostapd_set_oper_chwidth(iface->conf, ch_width);
1716 hostapd_set_6ghz_sec_chan(iface);
1717 }
1718
1719 ret = hostapd_select_hw_mode(iface);
1720 if (ret < 0) {
1721 wpa_printf(MSG_ERROR, "Could not select hw_mode and "
1722 "channel. (%d)", ret);
1723 goto fail;
1724 }
1725 if (ret == 1) {
1726 wpa_printf(MSG_DEBUG, "Interface initialization will be completed in a callback (ACS)");
1727 return 0;
1728 }
1729 ret = hostapd_check_edmg_capab(iface);
1730 if (ret < 0)
1731 goto fail;
1732 ret = hostapd_check_he_6ghz_capab(iface);
1733 if (ret < 0)
1734 goto fail;
1735 ret = hostapd_check_ht_capab(iface);
1736 if (ret < 0)
1737 goto fail;
1738 if (ret == 1) {
1739 wpa_printf(MSG_DEBUG, "Interface initialization will "
1740 "be completed in a callback");
1741 return 0;
1742 }
1743
1744 if (iface->conf->ieee80211h)
1745 wpa_printf(MSG_DEBUG, "DFS support is enabled");
1746 }
1747 return hostapd_setup_interface_complete(iface, 0);
1748
1749 fail:
1750 hostapd_set_state(iface, HAPD_IFACE_DISABLED);
1751 wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
1752 if (iface->interfaces && iface->interfaces->terminate_on_error)
1753 eloop_terminate();
1754 return -1;
1755 }
1756
1757
1758 #ifdef CONFIG_FST
1759
fst_hostapd_get_bssid_cb(void * ctx)1760 static const u8 * fst_hostapd_get_bssid_cb(void *ctx)
1761 {
1762 struct hostapd_data *hapd = ctx;
1763
1764 return hapd->own_addr;
1765 }
1766
1767
fst_hostapd_get_channel_info_cb(void * ctx,enum hostapd_hw_mode * hw_mode,u8 * channel)1768 static void fst_hostapd_get_channel_info_cb(void *ctx,
1769 enum hostapd_hw_mode *hw_mode,
1770 u8 *channel)
1771 {
1772 struct hostapd_data *hapd = ctx;
1773
1774 *hw_mode = ieee80211_freq_to_chan(hapd->iface->freq, channel);
1775 }
1776
1777
fst_hostapd_set_ies_cb(void * ctx,const struct wpabuf * fst_ies)1778 static void fst_hostapd_set_ies_cb(void *ctx, const struct wpabuf *fst_ies)
1779 {
1780 struct hostapd_data *hapd = ctx;
1781
1782 if (hapd->iface->fst_ies != fst_ies) {
1783 hapd->iface->fst_ies = fst_ies;
1784 if (ieee802_11_set_beacon(hapd))
1785 wpa_printf(MSG_WARNING, "FST: Cannot set beacon");
1786 }
1787 }
1788
1789
fst_hostapd_send_action_cb(void * ctx,const u8 * da,struct wpabuf * buf)1790 static int fst_hostapd_send_action_cb(void *ctx, const u8 *da,
1791 struct wpabuf *buf)
1792 {
1793 struct hostapd_data *hapd = ctx;
1794
1795 return hostapd_drv_send_action(hapd, hapd->iface->freq, 0, da,
1796 wpabuf_head(buf), wpabuf_len(buf));
1797 }
1798
1799
fst_hostapd_get_mb_ie_cb(void * ctx,const u8 * addr)1800 static const struct wpabuf * fst_hostapd_get_mb_ie_cb(void *ctx, const u8 *addr)
1801 {
1802 struct hostapd_data *hapd = ctx;
1803 struct sta_info *sta = ap_get_sta(hapd, addr);
1804
1805 return sta ? sta->mb_ies : NULL;
1806 }
1807
1808
fst_hostapd_update_mb_ie_cb(void * ctx,const u8 * addr,const u8 * buf,size_t size)1809 static void fst_hostapd_update_mb_ie_cb(void *ctx, const u8 *addr,
1810 const u8 *buf, size_t size)
1811 {
1812 struct hostapd_data *hapd = ctx;
1813 struct sta_info *sta = ap_get_sta(hapd, addr);
1814
1815 if (sta) {
1816 struct mb_ies_info info;
1817
1818 if (!mb_ies_info_by_ies(&info, buf, size)) {
1819 wpabuf_free(sta->mb_ies);
1820 sta->mb_ies = mb_ies_by_info(&info);
1821 }
1822 }
1823 }
1824
1825
fst_hostapd_get_sta(struct fst_get_peer_ctx ** get_ctx,bool mb_only)1826 static const u8 * fst_hostapd_get_sta(struct fst_get_peer_ctx **get_ctx,
1827 bool mb_only)
1828 {
1829 struct sta_info *s = (struct sta_info *) *get_ctx;
1830
1831 if (mb_only) {
1832 for (; s && !s->mb_ies; s = s->next)
1833 ;
1834 }
1835
1836 if (s) {
1837 *get_ctx = (struct fst_get_peer_ctx *) s->next;
1838
1839 return s->addr;
1840 }
1841
1842 *get_ctx = NULL;
1843 return NULL;
1844 }
1845
1846
fst_hostapd_get_peer_first(void * ctx,struct fst_get_peer_ctx ** get_ctx,bool mb_only)1847 static const u8 * fst_hostapd_get_peer_first(void *ctx,
1848 struct fst_get_peer_ctx **get_ctx,
1849 bool mb_only)
1850 {
1851 struct hostapd_data *hapd = ctx;
1852
1853 *get_ctx = (struct fst_get_peer_ctx *) hapd->sta_list;
1854
1855 return fst_hostapd_get_sta(get_ctx, mb_only);
1856 }
1857
1858
fst_hostapd_get_peer_next(void * ctx,struct fst_get_peer_ctx ** get_ctx,bool mb_only)1859 static const u8 * fst_hostapd_get_peer_next(void *ctx,
1860 struct fst_get_peer_ctx **get_ctx,
1861 bool mb_only)
1862 {
1863 return fst_hostapd_get_sta(get_ctx, mb_only);
1864 }
1865
1866
fst_hostapd_fill_iface_obj(struct hostapd_data * hapd,struct fst_wpa_obj * iface_obj)1867 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
1868 struct fst_wpa_obj *iface_obj)
1869 {
1870 iface_obj->ctx = hapd;
1871 iface_obj->get_bssid = fst_hostapd_get_bssid_cb;
1872 iface_obj->get_channel_info = fst_hostapd_get_channel_info_cb;
1873 iface_obj->set_ies = fst_hostapd_set_ies_cb;
1874 iface_obj->send_action = fst_hostapd_send_action_cb;
1875 iface_obj->get_mb_ie = fst_hostapd_get_mb_ie_cb;
1876 iface_obj->update_mb_ie = fst_hostapd_update_mb_ie_cb;
1877 iface_obj->get_peer_first = fst_hostapd_get_peer_first;
1878 iface_obj->get_peer_next = fst_hostapd_get_peer_next;
1879 }
1880
1881 #endif /* CONFIG_FST */
1882
1883 #ifdef CONFIG_OWE
1884
hostapd_owe_iface_iter(struct hostapd_iface * iface,void * ctx)1885 static int hostapd_owe_iface_iter(struct hostapd_iface *iface, void *ctx)
1886 {
1887 struct hostapd_data *hapd = ctx;
1888 size_t i;
1889
1890 for (i = 0; i < iface->num_bss; i++) {
1891 struct hostapd_data *bss = iface->bss[i];
1892
1893 if (os_strcmp(hapd->conf->owe_transition_ifname,
1894 bss->conf->iface) != 0)
1895 continue;
1896
1897 wpa_printf(MSG_DEBUG,
1898 "OWE: ifname=%s found transition mode ifname=%s BSSID "
1899 MACSTR_SEC " SSID %s",
1900 hapd->conf->iface, bss->conf->iface,
1901 MAC2STR_SEC(bss->own_addr),
1902 anonymize_ssid(wpa_ssid_txt(bss->conf->ssid.ssid,
1903 bss->conf->ssid.ssid_len)));
1904 if (!bss->conf->ssid.ssid_set || !bss->conf->ssid.ssid_len ||
1905 is_zero_ether_addr(bss->own_addr))
1906 continue;
1907
1908 os_memcpy(hapd->conf->owe_transition_bssid, bss->own_addr,
1909 ETH_ALEN);
1910 os_memcpy(hapd->conf->owe_transition_ssid,
1911 bss->conf->ssid.ssid, bss->conf->ssid.ssid_len);
1912 hapd->conf->owe_transition_ssid_len = bss->conf->ssid.ssid_len;
1913 wpa_printf(MSG_DEBUG,
1914 "OWE: Copied transition mode information");
1915 return 1;
1916 }
1917
1918 return 0;
1919 }
1920
1921
hostapd_owe_trans_get_info(struct hostapd_data * hapd)1922 int hostapd_owe_trans_get_info(struct hostapd_data *hapd)
1923 {
1924 if (hapd->conf->owe_transition_ssid_len > 0 &&
1925 !is_zero_ether_addr(hapd->conf->owe_transition_bssid))
1926 return 0;
1927
1928 /* Find transition mode SSID/BSSID information from a BSS operated by
1929 * this hostapd instance. */
1930 if (!hapd->iface->interfaces ||
1931 !hapd->iface->interfaces->for_each_interface)
1932 return hostapd_owe_iface_iter(hapd->iface, hapd);
1933 else
1934 return hapd->iface->interfaces->for_each_interface(
1935 hapd->iface->interfaces, hostapd_owe_iface_iter, hapd);
1936 }
1937
1938
hostapd_owe_iface_iter2(struct hostapd_iface * iface,void * ctx)1939 static int hostapd_owe_iface_iter2(struct hostapd_iface *iface, void *ctx)
1940 {
1941 size_t i;
1942
1943 for (i = 0; i < iface->num_bss; i++) {
1944 struct hostapd_data *bss = iface->bss[i];
1945 int res;
1946
1947 if (!bss->conf->owe_transition_ifname[0])
1948 continue;
1949 if (bss->iface->state != HAPD_IFACE_ENABLED) {
1950 wpa_printf(MSG_DEBUG,
1951 "OWE: Interface %s state %s - defer beacon update",
1952 bss->conf->iface,
1953 hostapd_state_text(bss->iface->state));
1954 continue;
1955 }
1956 res = hostapd_owe_trans_get_info(bss);
1957 if (res == 0)
1958 continue;
1959 wpa_printf(MSG_DEBUG,
1960 "OWE: Matching transition mode interface enabled - update beacon data for %s",
1961 bss->conf->iface);
1962 ieee802_11_set_beacon(bss);
1963 }
1964
1965 return 0;
1966 }
1967
1968 #endif /* CONFIG_OWE */
1969
1970
hostapd_owe_update_trans(struct hostapd_iface * iface)1971 static void hostapd_owe_update_trans(struct hostapd_iface *iface)
1972 {
1973 #ifdef CONFIG_OWE
1974 /* Check whether the enabled BSS can complete OWE transition mode
1975 * configuration for any pending interface. */
1976 if (!iface->interfaces ||
1977 !iface->interfaces->for_each_interface)
1978 hostapd_owe_iface_iter2(iface, NULL);
1979 else
1980 iface->interfaces->for_each_interface(
1981 iface->interfaces, hostapd_owe_iface_iter2, NULL);
1982 #endif /* CONFIG_OWE */
1983 }
1984
1985
hostapd_interface_setup_failure_handler(void * eloop_ctx,void * timeout_ctx)1986 static void hostapd_interface_setup_failure_handler(void *eloop_ctx,
1987 void *timeout_ctx)
1988 {
1989 struct hostapd_iface *iface = eloop_ctx;
1990 struct hostapd_data *hapd;
1991
1992 if (iface->num_bss < 1 || !iface->bss || !iface->bss[0])
1993 return;
1994 hapd = iface->bss[0];
1995 if (hapd->setup_complete_cb)
1996 hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
1997 }
1998
1999
hostapd_setup_interface_complete_sync(struct hostapd_iface * iface,int err)2000 static int hostapd_setup_interface_complete_sync(struct hostapd_iface *iface,
2001 int err)
2002 {
2003 struct hostapd_data *hapd = iface->bss[0];
2004 size_t j;
2005 u8 *prev_addr;
2006 int delay_apply_cfg = 0;
2007 int res_dfs_offload = 0;
2008
2009 if (err)
2010 goto fail;
2011
2012 wpa_printf(MSG_DEBUG, "Completing interface initialization");
2013 if (iface->freq) {
2014 #ifdef NEED_AP_MLME
2015 int res;
2016 #endif /* NEED_AP_MLME */
2017
2018 wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d "
2019 "Frequency: %d MHz",
2020 hostapd_hw_mode_txt(iface->conf->hw_mode),
2021 iface->conf->channel, iface->freq);
2022
2023 #ifdef NEED_AP_MLME
2024 /* Handle DFS only if it is not offloaded to the driver */
2025 if (!(iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) {
2026 /* Check DFS */
2027 res = hostapd_handle_dfs(iface);
2028 if (res <= 0) {
2029 if (res < 0)
2030 goto fail;
2031 return res;
2032 }
2033 } else {
2034 /* If DFS is offloaded to the driver */
2035 res_dfs_offload = hostapd_handle_dfs_offload(iface);
2036 if (res_dfs_offload <= 0) {
2037 if (res_dfs_offload < 0)
2038 goto fail;
2039 } else {
2040 wpa_printf(MSG_DEBUG,
2041 "Proceed with AP/channel setup");
2042 /*
2043 * If this is a DFS channel, move to completing
2044 * AP setup.
2045 */
2046 if (res_dfs_offload == 1)
2047 goto dfs_offload;
2048 /* Otherwise fall through. */
2049 }
2050 }
2051 #endif /* NEED_AP_MLME */
2052
2053 #ifdef CONFIG_MESH
2054 if (iface->mconf != NULL) {
2055 wpa_printf(MSG_DEBUG,
2056 "%s: Mesh configuration will be applied while joining the mesh network",
2057 iface->bss[0]->conf->iface);
2058 delay_apply_cfg = 1;
2059 }
2060 #endif /* CONFIG_MESH */
2061
2062 if (!delay_apply_cfg &&
2063 hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
2064 hapd->iconf->channel,
2065 hapd->iconf->enable_edmg,
2066 hapd->iconf->edmg_channel,
2067 hapd->iconf->ieee80211n,
2068 hapd->iconf->ieee80211ac,
2069 hapd->iconf->ieee80211ax,
2070 hapd->iconf->secondary_channel,
2071 hostapd_get_oper_chwidth(hapd->iconf),
2072 hostapd_get_oper_centr_freq_seg0_idx(
2073 hapd->iconf),
2074 hostapd_get_oper_centr_freq_seg1_idx(
2075 hapd->iconf))) {
2076 wpa_printf(MSG_ERROR, "Could not set channel for "
2077 "kernel driver");
2078 goto fail;
2079 }
2080 }
2081
2082 if (iface->current_mode) {
2083 if (hostapd_prepare_rates(iface, iface->current_mode)) {
2084 wpa_printf(MSG_ERROR, "Failed to prepare rates "
2085 "table.");
2086 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
2087 HOSTAPD_LEVEL_WARNING,
2088 "Failed to prepare rates table.");
2089 goto fail;
2090 }
2091 }
2092
2093 if (hapd->iconf->rts_threshold >= -1 &&
2094 hostapd_set_rts(hapd, hapd->iconf->rts_threshold) &&
2095 hapd->iconf->rts_threshold >= -1) {
2096 wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
2097 "kernel driver");
2098 goto fail;
2099 }
2100
2101 if (hapd->iconf->fragm_threshold >= -1 &&
2102 hostapd_set_frag(hapd, hapd->iconf->fragm_threshold) &&
2103 hapd->iconf->fragm_threshold != -1) {
2104 wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
2105 "for kernel driver");
2106 goto fail;
2107 }
2108
2109 prev_addr = hapd->own_addr;
2110
2111 for (j = 0; j < iface->num_bss; j++) {
2112 hapd = iface->bss[j];
2113 if (j)
2114 os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
2115 if (hostapd_setup_bss(hapd, j == 0)) {
2116 for (;;) {
2117 hapd = iface->bss[j];
2118 hostapd_bss_deinit_no_free(hapd);
2119 hostapd_free_hapd_data(hapd);
2120 if (j == 0)
2121 break;
2122 j--;
2123 }
2124 goto fail;
2125 }
2126 if (is_zero_ether_addr(hapd->conf->bssid))
2127 prev_addr = hapd->own_addr;
2128 }
2129 hapd = iface->bss[0];
2130
2131 hostapd_tx_queue_params(iface);
2132
2133 ap_list_init(iface);
2134
2135 hostapd_set_acl(hapd);
2136
2137 if (hostapd_driver_commit(hapd) < 0) {
2138 wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
2139 "configuration", __func__);
2140 goto fail;
2141 }
2142
2143 /*
2144 * WPS UPnP module can be initialized only when the "upnp_iface" is up.
2145 * If "interface" and "upnp_iface" are the same (e.g., non-bridge
2146 * mode), the interface is up only after driver_commit, so initialize
2147 * WPS after driver_commit.
2148 */
2149 for (j = 0; j < iface->num_bss; j++) {
2150 if (hostapd_init_wps_complete(iface->bss[j]))
2151 goto fail;
2152 }
2153
2154 if ((iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
2155 !res_dfs_offload) {
2156 /*
2157 * If freq is DFS, and DFS is offloaded to the driver, then wait
2158 * for CAC to complete.
2159 */
2160 wpa_printf(MSG_DEBUG, "%s: Wait for CAC to complete", __func__);
2161 return res_dfs_offload;
2162 }
2163
2164 #ifdef NEED_AP_MLME
2165 dfs_offload:
2166 #endif /* NEED_AP_MLME */
2167
2168 #ifdef CONFIG_FST
2169 if (hapd->iconf->fst_cfg.group_id[0]) {
2170 struct fst_wpa_obj iface_obj;
2171
2172 fst_hostapd_fill_iface_obj(hapd, &iface_obj);
2173 iface->fst = fst_attach(hapd->conf->iface, hapd->own_addr,
2174 &iface_obj, &hapd->iconf->fst_cfg);
2175 if (!iface->fst) {
2176 wpa_printf(MSG_ERROR, "Could not attach to FST %s",
2177 hapd->iconf->fst_cfg.group_id);
2178 goto fail;
2179 }
2180 }
2181 #endif /* CONFIG_FST */
2182
2183 hostapd_set_state(iface, HAPD_IFACE_ENABLED);
2184 hostapd_owe_update_trans(iface);
2185 airtime_policy_update_init(iface);
2186 wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_ENABLED);
2187 if (hapd->setup_complete_cb)
2188 hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
2189 #ifdef CONFIG_LIBWPA_VENDOR
2190 struct HostapdApCbParm hostapdApCbParm;
2191 os_memcpy(hostapdApCbParm.content, AP_EVENT_ENABLED, WIFI_HOSTAPD_CB_CONTENT_LENGTH);
2192 hostapdApCbParm.id = 0;
2193 wpa_printf(MSG_INFO, "%s HOSTAPD_EVENT_STA_JOIN %s%d", __func__, hostapdApCbParm.content, hostapdApCbParm.id);
2194 HostapdEventReport(hapd->conf->iface, HOSTAPD_EVENT_AP_STATE, (void *) &hostapdApCbParm);
2195 #endif
2196 #ifdef CONFIG_MESH
2197 if (delay_apply_cfg && !iface->mconf) {
2198 wpa_printf(MSG_ERROR, "Error while completing mesh init");
2199 goto fail;
2200 }
2201 #endif /* CONFIG_MESH */
2202
2203 wpa_printf(MSG_INFO, "%s: Setup of interface done.",
2204 iface->bss[0]->conf->iface);
2205 if (iface->interfaces && iface->interfaces->terminate_on_error > 0)
2206 iface->interfaces->terminate_on_error--;
2207
2208 for (j = 0; j < iface->num_bss; j++)
2209 hostapd_neighbor_set_own_report(iface->bss[j]);
2210
2211 return 0;
2212
2213 fail:
2214 wpa_printf(MSG_ERROR, "Interface initialization failed");
2215 hostapd_set_state(iface, HAPD_IFACE_DISABLED);
2216 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
2217 #ifdef CONFIG_FST
2218 if (iface->fst) {
2219 fst_detach(iface->fst);
2220 iface->fst = NULL;
2221 }
2222 #endif /* CONFIG_FST */
2223
2224 if (iface->interfaces && iface->interfaces->terminate_on_error) {
2225 eloop_terminate();
2226 } else if (hapd->setup_complete_cb) {
2227 /*
2228 * Calling hapd->setup_complete_cb directly may cause iface
2229 * deinitialization which may be accessed later by the caller.
2230 */
2231 eloop_register_timeout(0, 0,
2232 hostapd_interface_setup_failure_handler,
2233 iface, NULL);
2234 }
2235
2236 return -1;
2237 }
2238
2239
2240 /**
2241 * hostapd_setup_interface_complete - Complete interface setup
2242 *
2243 * This function is called when previous steps in the interface setup has been
2244 * completed. This can also start operations, e.g., DFS, that will require
2245 * additional processing before interface is ready to be enabled. Such
2246 * operations will call this function from eloop callbacks when finished.
2247 */
hostapd_setup_interface_complete(struct hostapd_iface * iface,int err)2248 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
2249 {
2250 struct hapd_interfaces *interfaces = iface->interfaces;
2251 struct hostapd_data *hapd = iface->bss[0];
2252 unsigned int i;
2253 int not_ready_in_sync_ifaces = 0;
2254
2255 if (!iface->need_to_start_in_sync)
2256 return hostapd_setup_interface_complete_sync(iface, err);
2257
2258 if (err) {
2259 wpa_printf(MSG_ERROR, "Interface initialization failed");
2260 hostapd_set_state(iface, HAPD_IFACE_DISABLED);
2261 iface->need_to_start_in_sync = 0;
2262 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
2263 if (interfaces && interfaces->terminate_on_error)
2264 eloop_terminate();
2265 #ifdef CONFIG_LIBWPA_VENDOR
2266 struct HostapdApCbParm hostapdApCbParm;
2267 os_memcpy(hostapdApCbParm.content, AP_EVENT_ENABLED, WIFI_HOSTAPD_CB_CONTENT_LENGTH);
2268 hostapdApCbParm.id = 0;
2269 wpa_printf(MSG_INFO, "%s HOSTAPD_EVENT_STA_JOIN %s%d", __func__, hostapdApCbParm.content, hostapdApCbParm.id);
2270 HostapdEventReport(hapd->conf->iface, HOSTAPD_EVENT_AP_STATE, (void *) &hostapdApCbParm);
2271 #endif
2272 return -1;
2273 }
2274
2275 if (iface->ready_to_start_in_sync) {
2276 /* Already in ready and waiting. should never happpen */
2277 return 0;
2278 }
2279
2280 for (i = 0; i < interfaces->count; i++) {
2281 if (interfaces->iface[i]->need_to_start_in_sync &&
2282 !interfaces->iface[i]->ready_to_start_in_sync)
2283 not_ready_in_sync_ifaces++;
2284 }
2285
2286 /*
2287 * Check if this is the last interface, if yes then start all the other
2288 * waiting interfaces. If not, add this interface to the waiting list.
2289 */
2290 if (not_ready_in_sync_ifaces > 1 && iface->state == HAPD_IFACE_DFS) {
2291 /*
2292 * If this interface went through CAC, do not synchronize, just
2293 * start immediately.
2294 */
2295 iface->need_to_start_in_sync = 0;
2296 wpa_printf(MSG_INFO,
2297 "%s: Finished CAC - bypass sync and start interface",
2298 iface->bss[0]->conf->iface);
2299 return hostapd_setup_interface_complete_sync(iface, err);
2300 }
2301
2302 if (not_ready_in_sync_ifaces > 1) {
2303 /* need to wait as there are other interfaces still coming up */
2304 iface->ready_to_start_in_sync = 1;
2305 wpa_printf(MSG_INFO,
2306 "%s: Interface waiting to sync with other interfaces",
2307 iface->bss[0]->conf->iface);
2308 return 0;
2309 }
2310
2311 wpa_printf(MSG_INFO,
2312 "%s: Last interface to sync - starting all interfaces",
2313 iface->bss[0]->conf->iface);
2314 iface->need_to_start_in_sync = 0;
2315 hostapd_setup_interface_complete_sync(iface, err);
2316 for (i = 0; i < interfaces->count; i++) {
2317 if (interfaces->iface[i]->need_to_start_in_sync &&
2318 interfaces->iface[i]->ready_to_start_in_sync) {
2319 hostapd_setup_interface_complete_sync(
2320 interfaces->iface[i], 0);
2321 /* Only once the interfaces are sync started */
2322 interfaces->iface[i]->need_to_start_in_sync = 0;
2323 }
2324 }
2325
2326 return 0;
2327 }
2328
2329
2330 /**
2331 * hostapd_setup_interface - Setup of an interface
2332 * @iface: Pointer to interface data.
2333 * Returns: 0 on success, -1 on failure
2334 *
2335 * Initializes the driver interface, validates the configuration,
2336 * and sets driver parameters based on the configuration.
2337 * Flushes old stations, sets the channel, encryption,
2338 * beacons, and WDS links based on the configuration.
2339 *
2340 * If interface setup requires more time, e.g., to perform HT co-ex scans, ACS,
2341 * or DFS operations, this function returns 0 before such operations have been
2342 * completed. The pending operations are registered into eloop and will be
2343 * completed from eloop callbacks. Those callbacks end up calling
2344 * hostapd_setup_interface_complete() once setup has been completed.
2345 */
hostapd_setup_interface(struct hostapd_iface * iface)2346 int hostapd_setup_interface(struct hostapd_iface *iface)
2347 {
2348 int ret;
2349
2350 if (!iface->conf) {
2351 wpa_printf(MSG_ERROR, "iface->conf already exists!.");
2352 return -1;
2353 }
2354 ret = setup_interface(iface);
2355 if (ret) {
2356 wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
2357 iface->conf->bss[0]->iface);
2358 return -1;
2359 }
2360
2361 return 0;
2362 }
2363
2364
2365 /**
2366 * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
2367 * @hapd_iface: Pointer to interface data
2368 * @conf: Pointer to per-interface configuration
2369 * @bss: Pointer to per-BSS configuration for this BSS
2370 * Returns: Pointer to allocated BSS data
2371 *
2372 * This function is used to allocate per-BSS data structure. This data will be
2373 * freed after hostapd_cleanup() is called for it during interface
2374 * deinitialization.
2375 */
2376 struct hostapd_data *
hostapd_alloc_bss_data(struct hostapd_iface * hapd_iface,struct hostapd_config * conf,struct hostapd_bss_config * bss)2377 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
2378 struct hostapd_config *conf,
2379 struct hostapd_bss_config *bss)
2380 {
2381 struct hostapd_data *hapd;
2382
2383 hapd = os_zalloc(sizeof(*hapd));
2384 if (hapd == NULL)
2385 return NULL;
2386
2387 hapd->new_assoc_sta_cb = hostapd_new_assoc_sta;
2388 hapd->iconf = conf;
2389 hapd->conf = bss;
2390 hapd->iface = hapd_iface;
2391 if (conf)
2392 hapd->driver = conf->driver;
2393 hapd->ctrl_sock = -1;
2394 dl_list_init(&hapd->ctrl_dst);
2395 dl_list_init(&hapd->nr_db);
2396 hapd->dhcp_sock = -1;
2397 #ifdef CONFIG_IEEE80211R_AP
2398 dl_list_init(&hapd->l2_queue);
2399 dl_list_init(&hapd->l2_oui_queue);
2400 #endif /* CONFIG_IEEE80211R_AP */
2401 #ifdef CONFIG_SAE
2402 dl_list_init(&hapd->sae_commit_queue);
2403 #endif /* CONFIG_SAE */
2404
2405 return hapd;
2406 }
2407
2408
hostapd_bss_deinit(struct hostapd_data * hapd)2409 static void hostapd_bss_deinit(struct hostapd_data *hapd)
2410 {
2411 if (!hapd)
2412 return;
2413 wpa_printf(MSG_DEBUG, "%s: deinit bss %s", __func__,
2414 hapd->conf ? hapd->conf->iface : "N/A");
2415 hostapd_bss_deinit_no_free(hapd);
2416 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
2417 #ifdef CONFIG_SQLITE
2418 if (hapd->rad_attr_db) {
2419 sqlite3_close(hapd->rad_attr_db);
2420 hapd->rad_attr_db = NULL;
2421 }
2422 #endif /* CONFIG_SQLITE */
2423 hostapd_cleanup(hapd);
2424 }
2425
2426
hostapd_interface_deinit(struct hostapd_iface * iface)2427 void hostapd_interface_deinit(struct hostapd_iface *iface)
2428 {
2429 int j;
2430
2431 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
2432 if (iface == NULL)
2433 return;
2434
2435 hostapd_set_state(iface, HAPD_IFACE_DISABLED);
2436
2437 eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
2438 iface->wait_channel_update = 0;
2439
2440 #ifdef CONFIG_FST
2441 if (iface->fst) {
2442 fst_detach(iface->fst);
2443 iface->fst = NULL;
2444 }
2445 #endif /* CONFIG_FST */
2446
2447 for (j = (int) iface->num_bss - 1; j >= 0; j--) {
2448 if (!iface->bss)
2449 break;
2450 hostapd_bss_deinit(iface->bss[j]);
2451 }
2452
2453 #ifdef NEED_AP_MLME
2454 hostapd_stop_setup_timers(iface);
2455 eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
2456 #endif /* NEED_AP_MLME */
2457 }
2458
2459
hostapd_interface_free(struct hostapd_iface * iface)2460 void hostapd_interface_free(struct hostapd_iface *iface)
2461 {
2462 size_t j;
2463 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
2464 for (j = 0; j < iface->num_bss; j++) {
2465 if (!iface->bss)
2466 break;
2467 wpa_printf(MSG_DEBUG, "%s: free hapd %p",
2468 __func__, iface->bss[j]);
2469 os_free(iface->bss[j]);
2470 }
2471 hostapd_cleanup_iface(iface);
2472 }
2473
2474
hostapd_alloc_iface(void)2475 struct hostapd_iface * hostapd_alloc_iface(void)
2476 {
2477 struct hostapd_iface *hapd_iface;
2478
2479 hapd_iface = os_zalloc(sizeof(*hapd_iface));
2480 if (!hapd_iface)
2481 return NULL;
2482
2483 dl_list_init(&hapd_iface->sta_seen);
2484
2485 return hapd_iface;
2486 }
2487
2488
2489 /**
2490 * hostapd_init - Allocate and initialize per-interface data
2491 * @config_file: Path to the configuration file
2492 * Returns: Pointer to the allocated interface data or %NULL on failure
2493 *
2494 * This function is used to allocate main data structures for per-interface
2495 * data. The allocated data buffer will be freed by calling
2496 * hostapd_cleanup_iface().
2497 */
hostapd_init(struct hapd_interfaces * interfaces,const char * config_file)2498 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
2499 const char *config_file)
2500 {
2501 struct hostapd_iface *hapd_iface = NULL;
2502 struct hostapd_config *conf = NULL;
2503 struct hostapd_data *hapd;
2504 size_t i;
2505
2506 hapd_iface = hostapd_alloc_iface();
2507 if (hapd_iface == NULL)
2508 goto fail;
2509
2510 hapd_iface->config_fname = os_strdup(config_file);
2511 if (hapd_iface->config_fname == NULL)
2512 goto fail;
2513
2514 conf = interfaces->config_read_cb(hapd_iface->config_fname);
2515 if (conf == NULL)
2516 goto fail;
2517 hapd_iface->conf = conf;
2518
2519 hapd_iface->num_bss = conf->num_bss;
2520 hapd_iface->bss = os_calloc(conf->num_bss,
2521 sizeof(struct hostapd_data *));
2522 if (hapd_iface->bss == NULL)
2523 goto fail;
2524
2525 for (i = 0; i < conf->num_bss; i++) {
2526 hapd = hapd_iface->bss[i] =
2527 hostapd_alloc_bss_data(hapd_iface, conf,
2528 conf->bss[i]);
2529 if (hapd == NULL)
2530 goto fail;
2531 hapd->msg_ctx = hapd;
2532 }
2533
2534 return hapd_iface;
2535
2536 fail:
2537 wpa_printf(MSG_ERROR, "Failed to set up interface with %s",
2538 config_file);
2539 if (conf)
2540 hostapd_config_free(conf);
2541 if (hapd_iface) {
2542 os_free(hapd_iface->config_fname);
2543 os_free(hapd_iface->bss);
2544 wpa_printf(MSG_DEBUG, "%s: free iface %p",
2545 __func__, hapd_iface);
2546 os_free(hapd_iface);
2547 }
2548 return NULL;
2549 }
2550
2551
ifname_in_use(struct hapd_interfaces * interfaces,const char * ifname)2552 static int ifname_in_use(struct hapd_interfaces *interfaces, const char *ifname)
2553 {
2554 size_t i, j;
2555
2556 for (i = 0; i < interfaces->count; i++) {
2557 struct hostapd_iface *iface = interfaces->iface[i];
2558 for (j = 0; j < iface->num_bss; j++) {
2559 struct hostapd_data *hapd = iface->bss[j];
2560 if (os_strcmp(ifname, hapd->conf->iface) == 0)
2561 return 1;
2562 }
2563 }
2564
2565 return 0;
2566 }
2567
2568
2569 /**
2570 * hostapd_interface_init_bss - Read configuration file and init BSS data
2571 *
2572 * This function is used to parse configuration file for a BSS. This BSS is
2573 * added to an existing interface sharing the same radio (if any) or a new
2574 * interface is created if this is the first interface on a radio. This
2575 * allocate memory for the BSS. No actual driver operations are started.
2576 *
2577 * This is similar to hostapd_interface_init(), but for a case where the
2578 * configuration is used to add a single BSS instead of all BSSes for a radio.
2579 */
2580 struct hostapd_iface *
hostapd_interface_init_bss(struct hapd_interfaces * interfaces,const char * phy,const char * config_fname,int debug)2581 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
2582 const char *config_fname, int debug)
2583 {
2584 struct hostapd_iface *new_iface = NULL, *iface = NULL;
2585 struct hostapd_data *hapd;
2586 int k;
2587 size_t i, bss_idx;
2588
2589 if (!phy || !*phy)
2590 return NULL;
2591
2592 for (i = 0; i < interfaces->count; i++) {
2593 if (os_strcmp(interfaces->iface[i]->phy, phy) == 0) {
2594 iface = interfaces->iface[i];
2595 break;
2596 }
2597 }
2598
2599 wpa_printf(MSG_INFO, "Configuration file: %s (phy %s)%s",
2600 config_fname, phy, iface ? "" : " --> new PHY");
2601 if (iface) {
2602 struct hostapd_config *conf;
2603 struct hostapd_bss_config **tmp_conf;
2604 struct hostapd_data **tmp_bss;
2605 struct hostapd_bss_config *bss;
2606 const char *ifname;
2607
2608 /* Add new BSS to existing iface */
2609 conf = interfaces->config_read_cb(config_fname);
2610 if (conf == NULL)
2611 return NULL;
2612 if (conf->num_bss > 1) {
2613 wpa_printf(MSG_ERROR, "Multiple BSSes specified in BSS-config");
2614 hostapd_config_free(conf);
2615 return NULL;
2616 }
2617
2618 ifname = conf->bss[0]->iface;
2619 if (ifname[0] != '\0' && ifname_in_use(interfaces, ifname)) {
2620 wpa_printf(MSG_ERROR,
2621 "Interface name %s already in use", ifname);
2622 hostapd_config_free(conf);
2623 return NULL;
2624 }
2625
2626 tmp_conf = os_realloc_array(
2627 iface->conf->bss, iface->conf->num_bss + 1,
2628 sizeof(struct hostapd_bss_config *));
2629 tmp_bss = os_realloc_array(iface->bss, iface->num_bss + 1,
2630 sizeof(struct hostapd_data *));
2631 if (tmp_bss)
2632 iface->bss = tmp_bss;
2633 if (tmp_conf) {
2634 iface->conf->bss = tmp_conf;
2635 iface->conf->last_bss = tmp_conf[0];
2636 }
2637 if (tmp_bss == NULL || tmp_conf == NULL) {
2638 hostapd_config_free(conf);
2639 return NULL;
2640 }
2641 bss = iface->conf->bss[iface->conf->num_bss] = conf->bss[0];
2642 iface->conf->num_bss++;
2643
2644 hapd = hostapd_alloc_bss_data(iface, iface->conf, bss);
2645 if (hapd == NULL) {
2646 iface->conf->num_bss--;
2647 hostapd_config_free(conf);
2648 return NULL;
2649 }
2650 iface->conf->last_bss = bss;
2651 iface->bss[iface->num_bss] = hapd;
2652 hapd->msg_ctx = hapd;
2653
2654 bss_idx = iface->num_bss++;
2655 conf->num_bss--;
2656 conf->bss[0] = NULL;
2657 hostapd_config_free(conf);
2658 } else {
2659 /* Add a new iface with the first BSS */
2660 new_iface = iface = hostapd_init(interfaces, config_fname);
2661 if (!iface)
2662 return NULL;
2663 os_strlcpy(iface->phy, phy, sizeof(iface->phy));
2664 iface->interfaces = interfaces;
2665 bss_idx = 0;
2666 }
2667
2668 for (k = 0; k < debug; k++) {
2669 if (iface->bss[bss_idx]->conf->logger_stdout_level > 0)
2670 iface->bss[bss_idx]->conf->logger_stdout_level--;
2671 }
2672
2673 if (iface->conf->bss[bss_idx]->iface[0] == '\0' &&
2674 !hostapd_drv_none(iface->bss[bss_idx])) {
2675 wpa_printf(MSG_ERROR, "Interface name not specified in %s",
2676 config_fname);
2677 if (new_iface)
2678 hostapd_interface_deinit_free(new_iface);
2679 return NULL;
2680 }
2681
2682 return iface;
2683 }
2684
2685
hostapd_interface_deinit_free(struct hostapd_iface * iface)2686 void hostapd_interface_deinit_free(struct hostapd_iface *iface)
2687 {
2688 const struct wpa_driver_ops *driver;
2689 void *drv_priv;
2690
2691 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
2692 if (iface == NULL)
2693 return;
2694 wpa_printf(MSG_DEBUG, "%s: num_bss=%u conf->num_bss=%u",
2695 __func__, (unsigned int) iface->num_bss,
2696 (unsigned int) iface->conf->num_bss);
2697 driver = iface->bss[0]->driver;
2698 drv_priv = iface->bss[0]->drv_priv;
2699 hostapd_interface_deinit(iface);
2700 wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
2701 __func__, driver, drv_priv);
2702 if (driver && driver->hapd_deinit && drv_priv) {
2703 driver->hapd_deinit(drv_priv);
2704 iface->bss[0]->drv_priv = NULL;
2705 }
2706 hostapd_interface_free(iface);
2707 }
2708
2709
hostapd_deinit_driver(const struct wpa_driver_ops * driver,void * drv_priv,struct hostapd_iface * hapd_iface)2710 static void hostapd_deinit_driver(const struct wpa_driver_ops *driver,
2711 void *drv_priv,
2712 struct hostapd_iface *hapd_iface)
2713 {
2714 size_t j;
2715
2716 wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
2717 __func__, driver, drv_priv);
2718 if (driver && driver->hapd_deinit && drv_priv) {
2719 driver->hapd_deinit(drv_priv);
2720 for (j = 0; j < hapd_iface->num_bss; j++) {
2721 wpa_printf(MSG_DEBUG, "%s:bss[%d]->drv_priv=%p",
2722 __func__, (int) j,
2723 hapd_iface->bss[j]->drv_priv);
2724 if (hapd_iface->bss[j]->drv_priv == drv_priv) {
2725 hapd_iface->bss[j]->drv_priv = NULL;
2726 hapd_iface->extended_capa = NULL;
2727 hapd_iface->extended_capa_mask = NULL;
2728 hapd_iface->extended_capa_len = 0;
2729 }
2730 }
2731 }
2732 }
2733
2734
hostapd_enable_iface(struct hostapd_iface * hapd_iface)2735 int hostapd_enable_iface(struct hostapd_iface *hapd_iface)
2736 {
2737 size_t j;
2738
2739 if (!hapd_iface) {
2740 wpa_printf(MSG_ERROR, "hapd_iface is NULL!");
2741 return -1;
2742 }
2743
2744 if (hapd_iface->enable_iface_cb)
2745 return hapd_iface->enable_iface_cb(hapd_iface);
2746
2747 if (hapd_iface->bss[0]->drv_priv != NULL) {
2748 wpa_printf(MSG_ERROR, "Interface %s already enabled",
2749 hapd_iface->conf->bss[0]->iface);
2750 #ifndef CONFIG_LIBWPA_VENDOR
2751 return -1;
2752 #endif
2753 }
2754
2755 wpa_printf(MSG_DEBUG, "Enable interface %s",
2756 hapd_iface->conf->bss[0]->iface);
2757
2758 for (j = 0; j < hapd_iface->num_bss; j++)
2759 hostapd_set_security_params(hapd_iface->conf->bss[j], 1);
2760 if (hostapd_config_check(hapd_iface->conf, 1) < 0) {
2761 wpa_printf(MSG_INFO, "Invalid configuration - cannot enable");
2762 return -1;
2763 }
2764
2765 if (hapd_iface->interfaces == NULL ||
2766 hapd_iface->interfaces->driver_init == NULL ||
2767 hapd_iface->interfaces->driver_init(hapd_iface))
2768 return -1;
2769
2770 if (hostapd_setup_interface(hapd_iface)) {
2771 hostapd_deinit_driver(hapd_iface->bss[0]->driver,
2772 hapd_iface->bss[0]->drv_priv,
2773 hapd_iface);
2774 wpa_printf(MSG_ERROR, "hostapd_setup_interface fail!");
2775 return -1;
2776 }
2777
2778 return 0;
2779 }
2780
2781
hostapd_reload_iface(struct hostapd_iface * hapd_iface)2782 int hostapd_reload_iface(struct hostapd_iface *hapd_iface)
2783 {
2784 size_t j;
2785
2786 wpa_printf(MSG_DEBUG, "Reload interface %s",
2787 hapd_iface->conf->bss[0]->iface);
2788 for (j = 0; j < hapd_iface->num_bss; j++)
2789 hostapd_set_security_params(hapd_iface->conf->bss[j], 1);
2790 if (hostapd_config_check(hapd_iface->conf, 1) < 0) {
2791 wpa_printf(MSG_ERROR, "Updated configuration is invalid");
2792 return -1;
2793 }
2794 hostapd_clear_old(hapd_iface);
2795 for (j = 0; j < hapd_iface->num_bss; j++)
2796 hostapd_reload_bss(hapd_iface->bss[j]);
2797
2798 return 0;
2799 }
2800
2801
hostapd_disable_iface(struct hostapd_iface * hapd_iface)2802 int hostapd_disable_iface(struct hostapd_iface *hapd_iface)
2803 {
2804 size_t j;
2805 const struct wpa_driver_ops *driver;
2806 void *drv_priv;
2807
2808 if (hapd_iface == NULL)
2809 return -1;
2810
2811 if (hapd_iface->disable_iface_cb)
2812 return hapd_iface->disable_iface_cb(hapd_iface);
2813
2814 if (hapd_iface->bss[0]->drv_priv == NULL) {
2815 wpa_printf(MSG_INFO, "Interface %s already disabled",
2816 hapd_iface->conf->bss[0]->iface);
2817 return -1;
2818 }
2819
2820 wpa_msg(hapd_iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
2821 driver = hapd_iface->bss[0]->driver;
2822 drv_priv = hapd_iface->bss[0]->drv_priv;
2823
2824 hapd_iface->driver_ap_teardown =
2825 !!(hapd_iface->drv_flags &
2826 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
2827
2828 #ifdef NEED_AP_MLME
2829 for (j = 0; j < hapd_iface->num_bss; j++)
2830 hostapd_cleanup_cs_params(hapd_iface->bss[j]);
2831 #endif /* NEED_AP_MLME */
2832
2833 /* same as hostapd_interface_deinit without deinitializing ctrl-iface */
2834 for (j = 0; j < hapd_iface->num_bss; j++) {
2835 struct hostapd_data *hapd = hapd_iface->bss[j];
2836 hostapd_bss_deinit_no_free(hapd);
2837 hostapd_free_hapd_data(hapd);
2838 }
2839
2840 hostapd_deinit_driver(driver, drv_priv, hapd_iface);
2841
2842 /* From hostapd_cleanup_iface: These were initialized in
2843 * hostapd_setup_interface and hostapd_setup_interface_complete
2844 */
2845 hostapd_cleanup_iface_partial(hapd_iface);
2846
2847 wpa_printf(MSG_DEBUG, "Interface %s disabled",
2848 hapd_iface->bss[0]->conf->iface);
2849 hostapd_set_state(hapd_iface, HAPD_IFACE_DISABLED);
2850 return 0;
2851 }
2852
2853
2854 static struct hostapd_iface *
hostapd_iface_alloc(struct hapd_interfaces * interfaces)2855 hostapd_iface_alloc(struct hapd_interfaces *interfaces)
2856 {
2857 struct hostapd_iface **iface, *hapd_iface;
2858
2859 iface = os_realloc_array(interfaces->iface, interfaces->count + 1,
2860 sizeof(struct hostapd_iface *));
2861 if (iface == NULL)
2862 return NULL;
2863 interfaces->iface = iface;
2864 hapd_iface = interfaces->iface[interfaces->count] =
2865 hostapd_alloc_iface();
2866 if (hapd_iface == NULL) {
2867 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
2868 "the interface", __func__);
2869 return NULL;
2870 }
2871 interfaces->count++;
2872 hapd_iface->interfaces = interfaces;
2873
2874 return hapd_iface;
2875 }
2876
2877
2878 static struct hostapd_config *
hostapd_config_alloc(struct hapd_interfaces * interfaces,const char * ifname,const char * ctrl_iface,const char * driver)2879 hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname,
2880 const char *ctrl_iface, const char *driver)
2881 {
2882 struct hostapd_bss_config *bss;
2883 struct hostapd_config *conf;
2884
2885 /* Allocates memory for bss and conf */
2886 conf = hostapd_config_defaults();
2887 if (conf == NULL) {
2888 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
2889 "configuration", __func__);
2890 return NULL;
2891 }
2892
2893 if (driver) {
2894 int j;
2895
2896 for (j = 0; wpa_drivers[j]; j++) {
2897 if (os_strcmp(driver, wpa_drivers[j]->name) == 0) {
2898 conf->driver = wpa_drivers[j];
2899 goto skip;
2900 }
2901 }
2902
2903 wpa_printf(MSG_ERROR,
2904 "Invalid/unknown driver '%s' - registering the default driver",
2905 driver);
2906 }
2907
2908 conf->driver = wpa_drivers[0];
2909 if (conf->driver == NULL) {
2910 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
2911 hostapd_config_free(conf);
2912 return NULL;
2913 }
2914
2915 skip:
2916 bss = conf->last_bss = conf->bss[0];
2917
2918 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
2919 bss->ctrl_interface = os_strdup(ctrl_iface);
2920 if (bss->ctrl_interface == NULL) {
2921 hostapd_config_free(conf);
2922 return NULL;
2923 }
2924
2925 /* Reading configuration file skipped, will be done in SET!
2926 * From reading the configuration till the end has to be done in
2927 * SET
2928 */
2929 return conf;
2930 }
2931
2932
hostapd_data_alloc(struct hostapd_iface * hapd_iface,struct hostapd_config * conf)2933 static int hostapd_data_alloc(struct hostapd_iface *hapd_iface,
2934 struct hostapd_config *conf)
2935 {
2936 size_t i;
2937 struct hostapd_data *hapd;
2938
2939 hapd_iface->bss = os_calloc(conf->num_bss,
2940 sizeof(struct hostapd_data *));
2941 if (hapd_iface->bss == NULL)
2942 return -1;
2943
2944 for (i = 0; i < conf->num_bss; i++) {
2945 hapd = hapd_iface->bss[i] =
2946 hostapd_alloc_bss_data(hapd_iface, conf, conf->bss[i]);
2947 if (hapd == NULL) {
2948 while (i > 0) {
2949 i--;
2950 os_free(hapd_iface->bss[i]);
2951 hapd_iface->bss[i] = NULL;
2952 }
2953 os_free(hapd_iface->bss);
2954 hapd_iface->bss = NULL;
2955 return -1;
2956 }
2957 hapd->msg_ctx = hapd;
2958 }
2959
2960 hapd_iface->conf = conf;
2961 hapd_iface->num_bss = conf->num_bss;
2962
2963 return 0;
2964 }
2965
2966
hostapd_add_iface(struct hapd_interfaces * interfaces,char * buf)2967 int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf)
2968 {
2969 struct hostapd_config *conf = NULL;
2970 struct hostapd_iface *hapd_iface = NULL, *new_iface = NULL;
2971 struct hostapd_data *hapd;
2972 char *ptr;
2973 size_t i, j;
2974 const char *conf_file = NULL, *phy_name = NULL;
2975
2976 if (os_strncmp(buf, "bss_config=", 11) == 0) {
2977 char *pos;
2978 phy_name = buf + 11;
2979 pos = os_strchr(phy_name, ':');
2980 if (!pos)
2981 return -1;
2982 *pos++ = '\0';
2983 conf_file = pos;
2984 if (!os_strlen(conf_file))
2985 return -1;
2986
2987 hapd_iface = hostapd_interface_init_bss(interfaces, phy_name,
2988 conf_file, 0);
2989 if (!hapd_iface)
2990 return -1;
2991 for (j = 0; j < interfaces->count; j++) {
2992 if (interfaces->iface[j] == hapd_iface)
2993 break;
2994 }
2995 if (j == interfaces->count) {
2996 struct hostapd_iface **tmp;
2997 tmp = os_realloc_array(interfaces->iface,
2998 interfaces->count + 1,
2999 sizeof(struct hostapd_iface *));
3000 if (!tmp) {
3001 hostapd_interface_deinit_free(hapd_iface);
3002 return -1;
3003 }
3004 interfaces->iface = tmp;
3005 interfaces->iface[interfaces->count++] = hapd_iface;
3006 new_iface = hapd_iface;
3007 }
3008
3009 if (new_iface) {
3010 if (interfaces->driver_init(hapd_iface))
3011 goto fail;
3012
3013 if (hostapd_setup_interface(hapd_iface)) {
3014 hostapd_deinit_driver(
3015 hapd_iface->bss[0]->driver,
3016 hapd_iface->bss[0]->drv_priv,
3017 hapd_iface);
3018 goto fail;
3019 }
3020 } else {
3021 /* Assign new BSS with bss[0]'s driver info */
3022 hapd = hapd_iface->bss[hapd_iface->num_bss - 1];
3023 hapd->driver = hapd_iface->bss[0]->driver;
3024 hapd->drv_priv = hapd_iface->bss[0]->drv_priv;
3025 os_memcpy(hapd->own_addr, hapd_iface->bss[0]->own_addr,
3026 ETH_ALEN);
3027
3028 if (start_ctrl_iface_bss(hapd) < 0 ||
3029 (hapd_iface->state == HAPD_IFACE_ENABLED &&
3030 hostapd_setup_bss(hapd, -1))) {
3031 hostapd_cleanup(hapd);
3032 hapd_iface->bss[hapd_iface->num_bss - 1] = NULL;
3033 hapd_iface->conf->num_bss--;
3034 hapd_iface->num_bss--;
3035 wpa_printf(MSG_DEBUG, "%s: free hapd %p %s",
3036 __func__, hapd, hapd->conf->iface);
3037 hostapd_config_free_bss(hapd->conf);
3038 hapd->conf = NULL;
3039 os_free(hapd);
3040 return -1;
3041 }
3042 }
3043 hostapd_owe_update_trans(hapd_iface);
3044 return 0;
3045 }
3046
3047 ptr = os_strchr(buf, ' ');
3048 if (ptr == NULL)
3049 return -1;
3050 *ptr++ = '\0';
3051
3052 if (os_strncmp(ptr, "config=", 7) == 0)
3053 conf_file = ptr + 7;
3054
3055 for (i = 0; i < interfaces->count; i++) {
3056 if (!os_strcmp(interfaces->iface[i]->conf->bss[0]->iface,
3057 buf)) {
3058 wpa_printf(MSG_INFO, "Cannot add interface - it "
3059 "already exists");
3060 return -1;
3061 }
3062 }
3063
3064 hapd_iface = hostapd_iface_alloc(interfaces);
3065 if (hapd_iface == NULL) {
3066 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
3067 "for interface", __func__);
3068 goto fail;
3069 }
3070 new_iface = hapd_iface;
3071
3072 if (conf_file && interfaces->config_read_cb) {
3073 conf = interfaces->config_read_cb(conf_file);
3074 if (conf && conf->bss)
3075 os_strlcpy(conf->bss[0]->iface, buf,
3076 sizeof(conf->bss[0]->iface));
3077 } else {
3078 char *driver = os_strchr(ptr, ' ');
3079
3080 if (driver)
3081 *driver++ = '\0';
3082 conf = hostapd_config_alloc(interfaces, buf, ptr, driver);
3083 }
3084
3085 if (conf == NULL || conf->bss == NULL) {
3086 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
3087 "for configuration", __func__);
3088 goto fail;
3089 }
3090
3091 if (hostapd_data_alloc(hapd_iface, conf) < 0) {
3092 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
3093 "for hostapd", __func__);
3094 goto fail;
3095 }
3096 conf = NULL;
3097
3098 if (start_ctrl_iface(hapd_iface) < 0)
3099 goto fail;
3100
3101 wpa_printf(MSG_INFO, "Add interface '%s'",
3102 hapd_iface->conf->bss[0]->iface);
3103
3104 return 0;
3105
3106 fail:
3107 if (conf)
3108 hostapd_config_free(conf);
3109 if (hapd_iface) {
3110 if (hapd_iface->bss) {
3111 for (i = 0; i < hapd_iface->num_bss; i++) {
3112 hapd = hapd_iface->bss[i];
3113 if (!hapd)
3114 continue;
3115 if (hapd_iface->interfaces &&
3116 hapd_iface->interfaces->ctrl_iface_deinit)
3117 hapd_iface->interfaces->
3118 ctrl_iface_deinit(hapd);
3119 wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
3120 __func__, hapd_iface->bss[i],
3121 hapd->conf->iface);
3122 hostapd_cleanup(hapd);
3123 os_free(hapd);
3124 hapd_iface->bss[i] = NULL;
3125 }
3126 os_free(hapd_iface->bss);
3127 hapd_iface->bss = NULL;
3128 }
3129 if (new_iface) {
3130 interfaces->count--;
3131 interfaces->iface[interfaces->count] = NULL;
3132 }
3133 hostapd_cleanup_iface(hapd_iface);
3134 }
3135 return -1;
3136 }
3137
3138
hostapd_remove_bss(struct hostapd_iface * iface,unsigned int idx)3139 static int hostapd_remove_bss(struct hostapd_iface *iface, unsigned int idx)
3140 {
3141 size_t i;
3142
3143 wpa_printf(MSG_INFO, "Remove BSS '%s'", iface->conf->bss[idx]->iface);
3144
3145 /* Remove hostapd_data only if it has already been initialized */
3146 if (idx < iface->num_bss) {
3147 struct hostapd_data *hapd = iface->bss[idx];
3148
3149 hostapd_bss_deinit(hapd);
3150 wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
3151 __func__, hapd, hapd->conf->iface);
3152 hostapd_config_free_bss(hapd->conf);
3153 hapd->conf = NULL;
3154 os_free(hapd);
3155
3156 iface->num_bss--;
3157
3158 for (i = idx; i < iface->num_bss; i++)
3159 iface->bss[i] = iface->bss[i + 1];
3160 } else {
3161 hostapd_config_free_bss(iface->conf->bss[idx]);
3162 iface->conf->bss[idx] = NULL;
3163 }
3164
3165 iface->conf->num_bss--;
3166 for (i = idx; i < iface->conf->num_bss; i++)
3167 iface->conf->bss[i] = iface->conf->bss[i + 1];
3168
3169 return 0;
3170 }
3171
3172
hostapd_remove_iface(struct hapd_interfaces * interfaces,char * buf)3173 int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf)
3174 {
3175 struct hostapd_iface *hapd_iface;
3176 size_t i, j, k = 0;
3177
3178 for (i = 0; i < interfaces->count; i++) {
3179 hapd_iface = interfaces->iface[i];
3180 if (hapd_iface == NULL)
3181 return -1;
3182 if (!os_strcmp(hapd_iface->conf->bss[0]->iface, buf)) {
3183 wpa_printf(MSG_INFO, "Remove interface '%s'", buf);
3184 hapd_iface->driver_ap_teardown =
3185 !!(hapd_iface->drv_flags &
3186 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
3187
3188 hostapd_interface_deinit_free(hapd_iface);
3189 k = i;
3190 while (k < (interfaces->count - 1)) {
3191 interfaces->iface[k] =
3192 interfaces->iface[k + 1];
3193 k++;
3194 }
3195 interfaces->count--;
3196 return 0;
3197 }
3198
3199 for (j = 0; j < hapd_iface->conf->num_bss; j++) {
3200 if (!os_strcmp(hapd_iface->conf->bss[j]->iface, buf)) {
3201 hapd_iface->driver_ap_teardown =
3202 !(hapd_iface->drv_flags &
3203 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
3204 return hostapd_remove_bss(hapd_iface, j);
3205 }
3206 }
3207 }
3208 return -1;
3209 }
3210
3211
3212 /**
3213 * hostapd_new_assoc_sta - Notify that a new station associated with the AP
3214 * @hapd: Pointer to BSS data
3215 * @sta: Pointer to the associated STA data
3216 * @reassoc: 1 to indicate this was a re-association; 0 = first association
3217 *
3218 * This function will be called whenever a station associates with the AP. It
3219 * can be called from ieee802_11.c for drivers that export MLME to hostapd and
3220 * from drv_callbacks.c based on driver events for drivers that take care of
3221 * management frames (IEEE 802.11 authentication and association) internally.
3222 */
hostapd_new_assoc_sta(struct hostapd_data * hapd,struct sta_info * sta,int reassoc)3223 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
3224 int reassoc)
3225 {
3226 if (hapd->tkip_countermeasures) {
3227 hostapd_drv_sta_deauth(hapd, sta->addr,
3228 WLAN_REASON_MICHAEL_MIC_FAILURE);
3229 return;
3230 }
3231
3232 hostapd_prune_associations(hapd, sta->addr);
3233 ap_sta_clear_disconnect_timeouts(hapd, sta);
3234 sta->post_csa_sa_query = 0;
3235
3236 #ifdef CONFIG_P2P
3237 if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
3238 sta->no_p2p_set = 1;
3239 hapd->num_sta_no_p2p++;
3240 if (hapd->num_sta_no_p2p == 1)
3241 hostapd_p2p_non_p2p_sta_connected(hapd);
3242 }
3243 #endif /* CONFIG_P2P */
3244
3245 airtime_policy_new_sta(hapd, sta);
3246
3247 /* Start accounting here, if IEEE 802.1X and WPA are not used.
3248 * IEEE 802.1X/WPA code will start accounting after the station has
3249 * been authorized. */
3250 if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen) {
3251 ap_sta_set_authorized(hapd, sta, 1);
3252 os_get_reltime(&sta->connected_time);
3253 accounting_sta_start(hapd, sta);
3254 }
3255
3256 /* Start IEEE 802.1X authentication process for new stations */
3257 ieee802_1x_new_station(hapd, sta);
3258 if (reassoc) {
3259 if (sta->auth_alg != WLAN_AUTH_FT &&
3260 sta->auth_alg != WLAN_AUTH_FILS_SK &&
3261 sta->auth_alg != WLAN_AUTH_FILS_SK_PFS &&
3262 sta->auth_alg != WLAN_AUTH_FILS_PK &&
3263 !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
3264 wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
3265 } else
3266 wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
3267
3268 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) {
3269 if (eloop_cancel_timeout(ap_handle_timer, hapd, sta) > 0) {
3270 wpa_printf(MSG_INFO,
3271 "%s: %s: canceled wired ap_handle_timer timeout for "
3272 MACSTR_SEC,
3273 hapd->conf->iface, __func__,
3274 MAC2STR_SEC(sta->addr));
3275 }
3276 } else if (!(hapd->iface->drv_flags &
3277 WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
3278 wpa_printf(MSG_INFO,
3279 "%s: %s: reschedule ap_handle_timer timeout for "
3280 MACSTR_SEC " (%d seconds - ap_max_inactivity)",
3281 hapd->conf->iface, __func__, MAC2STR_SEC(sta->addr),
3282 hapd->conf->ap_max_inactivity);
3283 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
3284 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
3285 ap_handle_timer, hapd, sta);
3286 }
3287
3288 #ifdef CONFIG_MACSEC
3289 if (hapd->conf->wpa_key_mgmt == WPA_KEY_MGMT_NONE &&
3290 hapd->conf->mka_psk_set)
3291 ieee802_1x_create_preshared_mka_hapd(hapd, sta);
3292 else
3293 ieee802_1x_alloc_kay_sm_hapd(hapd, sta);
3294 #endif /* CONFIG_MACSEC */
3295 }
3296
3297
hostapd_state_text(enum hostapd_iface_state s)3298 const char * hostapd_state_text(enum hostapd_iface_state s)
3299 {
3300 switch (s) {
3301 case HAPD_IFACE_UNINITIALIZED:
3302 return "UNINITIALIZED";
3303 case HAPD_IFACE_DISABLED:
3304 return "DISABLED";
3305 case HAPD_IFACE_COUNTRY_UPDATE:
3306 return "COUNTRY_UPDATE";
3307 case HAPD_IFACE_ACS:
3308 return "ACS";
3309 case HAPD_IFACE_HT_SCAN:
3310 return "HT_SCAN";
3311 case HAPD_IFACE_DFS:
3312 return "DFS";
3313 case HAPD_IFACE_ENABLED:
3314 return "ENABLED";
3315 }
3316
3317 return "UNKNOWN";
3318 }
3319
3320
hostapd_set_state(struct hostapd_iface * iface,enum hostapd_iface_state s)3321 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s)
3322 {
3323 wpa_printf(MSG_INFO, "%s: interface state %s->%s",
3324 iface->conf ? iface->conf->bss[0]->iface : "N/A",
3325 hostapd_state_text(iface->state), hostapd_state_text(s));
3326 iface->state = s;
3327 }
3328
3329
hostapd_csa_in_progress(struct hostapd_iface * iface)3330 int hostapd_csa_in_progress(struct hostapd_iface *iface)
3331 {
3332 unsigned int i;
3333
3334 for (i = 0; i < iface->num_bss; i++)
3335 if (iface->bss[i]->csa_in_progress)
3336 return 1;
3337 return 0;
3338 }
3339
3340
3341 #ifdef NEED_AP_MLME
3342
free_beacon_data(struct beacon_data * beacon)3343 static void free_beacon_data(struct beacon_data *beacon)
3344 {
3345 os_free(beacon->head);
3346 beacon->head = NULL;
3347 os_free(beacon->tail);
3348 beacon->tail = NULL;
3349 os_free(beacon->probe_resp);
3350 beacon->probe_resp = NULL;
3351 os_free(beacon->beacon_ies);
3352 beacon->beacon_ies = NULL;
3353 os_free(beacon->proberesp_ies);
3354 beacon->proberesp_ies = NULL;
3355 os_free(beacon->assocresp_ies);
3356 beacon->assocresp_ies = NULL;
3357 }
3358
3359
hostapd_build_beacon_data(struct hostapd_data * hapd,struct beacon_data * beacon)3360 static int hostapd_build_beacon_data(struct hostapd_data *hapd,
3361 struct beacon_data *beacon)
3362 {
3363 struct wpabuf *beacon_extra, *proberesp_extra, *assocresp_extra;
3364 struct wpa_driver_ap_params params;
3365 int ret;
3366
3367 os_memset(beacon, 0, sizeof(*beacon));
3368 ret = ieee802_11_build_ap_params(hapd, ¶ms);
3369 if (ret < 0)
3370 return ret;
3371
3372 ret = hostapd_build_ap_extra_ies(hapd, &beacon_extra,
3373 &proberesp_extra,
3374 &assocresp_extra);
3375 if (ret)
3376 goto free_ap_params;
3377
3378 ret = -1;
3379 beacon->head = os_memdup(params.head, params.head_len);
3380 if (!beacon->head)
3381 goto free_ap_extra_ies;
3382
3383 beacon->head_len = params.head_len;
3384
3385 beacon->tail = os_memdup(params.tail, params.tail_len);
3386 if (!beacon->tail)
3387 goto free_beacon;
3388
3389 beacon->tail_len = params.tail_len;
3390
3391 if (params.proberesp != NULL) {
3392 beacon->probe_resp = os_memdup(params.proberesp,
3393 params.proberesp_len);
3394 if (!beacon->probe_resp)
3395 goto free_beacon;
3396
3397 beacon->probe_resp_len = params.proberesp_len;
3398 }
3399
3400 /* copy the extra ies */
3401 if (beacon_extra) {
3402 beacon->beacon_ies = os_memdup(beacon_extra->buf,
3403 wpabuf_len(beacon_extra));
3404 if (!beacon->beacon_ies)
3405 goto free_beacon;
3406
3407 beacon->beacon_ies_len = wpabuf_len(beacon_extra);
3408 }
3409
3410 if (proberesp_extra) {
3411 beacon->proberesp_ies = os_memdup(proberesp_extra->buf,
3412 wpabuf_len(proberesp_extra));
3413 if (!beacon->proberesp_ies)
3414 goto free_beacon;
3415
3416 beacon->proberesp_ies_len = wpabuf_len(proberesp_extra);
3417 }
3418
3419 if (assocresp_extra) {
3420 beacon->assocresp_ies = os_memdup(assocresp_extra->buf,
3421 wpabuf_len(assocresp_extra));
3422 if (!beacon->assocresp_ies)
3423 goto free_beacon;
3424
3425 beacon->assocresp_ies_len = wpabuf_len(assocresp_extra);
3426 }
3427
3428 ret = 0;
3429 free_beacon:
3430 /* if the function fails, the caller should not free beacon data */
3431 if (ret)
3432 free_beacon_data(beacon);
3433
3434 free_ap_extra_ies:
3435 hostapd_free_ap_extra_ies(hapd, beacon_extra, proberesp_extra,
3436 assocresp_extra);
3437 free_ap_params:
3438 ieee802_11_free_ap_params(¶ms);
3439 return ret;
3440 }
3441
3442
3443 /*
3444 * TODO: This flow currently supports only changing channel and width within
3445 * the same hw_mode. Any other changes to MAC parameters or provided settings
3446 * are not supported.
3447 */
hostapd_change_config_freq(struct hostapd_data * hapd,struct hostapd_config * conf,struct hostapd_freq_params * params,struct hostapd_freq_params * old_params)3448 static int hostapd_change_config_freq(struct hostapd_data *hapd,
3449 struct hostapd_config *conf,
3450 struct hostapd_freq_params *params,
3451 struct hostapd_freq_params *old_params)
3452 {
3453 int channel;
3454 u8 seg0, seg1;
3455 struct hostapd_hw_modes *mode;
3456
3457 if (!params->channel) {
3458 /* check if the new channel is supported by hw */
3459 params->channel = hostapd_hw_get_channel(hapd, params->freq);
3460 }
3461
3462 channel = params->channel;
3463 if (!channel)
3464 return -1;
3465
3466 mode = hapd->iface->current_mode;
3467
3468 /* if a pointer to old_params is provided we save previous state */
3469 if (old_params &&
3470 hostapd_set_freq_params(old_params, conf->hw_mode,
3471 hostapd_hw_get_freq(hapd, conf->channel),
3472 conf->channel, conf->enable_edmg,
3473 conf->edmg_channel, conf->ieee80211n,
3474 conf->ieee80211ac, conf->ieee80211ax,
3475 conf->secondary_channel,
3476 hostapd_get_oper_chwidth(conf),
3477 hostapd_get_oper_centr_freq_seg0_idx(conf),
3478 hostapd_get_oper_centr_freq_seg1_idx(conf),
3479 conf->vht_capab,
3480 mode ? &mode->he_capab[IEEE80211_MODE_AP] :
3481 NULL))
3482 return -1;
3483
3484 switch (params->bandwidth) {
3485 case 0:
3486 case 20:
3487 conf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
3488 break;
3489 case 40:
3490 case 80:
3491 case 160:
3492 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
3493 break;
3494 default:
3495 return -1;
3496 }
3497
3498 switch (params->bandwidth) {
3499 case 0:
3500 case 20:
3501 case 40:
3502 hostapd_set_oper_chwidth(conf, CHANWIDTH_USE_HT);
3503 break;
3504 case 80:
3505 if (params->center_freq2)
3506 hostapd_set_oper_chwidth(conf, CHANWIDTH_80P80MHZ);
3507 else
3508 hostapd_set_oper_chwidth(conf, CHANWIDTH_80MHZ);
3509 break;
3510 case 160:
3511 hostapd_set_oper_chwidth(conf, CHANWIDTH_160MHZ);
3512 break;
3513 default:
3514 return -1;
3515 }
3516
3517 conf->channel = channel;
3518 conf->ieee80211n = params->ht_enabled;
3519 conf->ieee80211ac = params->vht_enabled;
3520 conf->secondary_channel = params->sec_channel_offset;
3521 ieee80211_freq_to_chan(params->center_freq1,
3522 &seg0);
3523 ieee80211_freq_to_chan(params->center_freq2,
3524 &seg1);
3525 hostapd_set_oper_centr_freq_seg0_idx(conf, seg0);
3526 hostapd_set_oper_centr_freq_seg1_idx(conf, seg1);
3527
3528 /* TODO: maybe call here hostapd_config_check here? */
3529
3530 return 0;
3531 }
3532
3533
hostapd_fill_csa_settings(struct hostapd_data * hapd,struct csa_settings * settings)3534 static int hostapd_fill_csa_settings(struct hostapd_data *hapd,
3535 struct csa_settings *settings)
3536 {
3537 struct hostapd_iface *iface = hapd->iface;
3538 struct hostapd_freq_params old_freq;
3539 int ret;
3540 u8 chan, bandwidth;
3541
3542 os_memset(&old_freq, 0, sizeof(old_freq));
3543 if (!iface || !iface->freq || hapd->csa_in_progress)
3544 return -1;
3545
3546 switch (settings->freq_params.bandwidth) {
3547 case 80:
3548 if (settings->freq_params.center_freq2)
3549 bandwidth = CHANWIDTH_80P80MHZ;
3550 else
3551 bandwidth = CHANWIDTH_80MHZ;
3552 break;
3553 case 160:
3554 bandwidth = CHANWIDTH_160MHZ;
3555 break;
3556 default:
3557 bandwidth = CHANWIDTH_USE_HT;
3558 break;
3559 }
3560
3561 if (ieee80211_freq_to_channel_ext(
3562 settings->freq_params.freq,
3563 settings->freq_params.sec_channel_offset,
3564 bandwidth,
3565 &hapd->iface->cs_oper_class,
3566 &chan) == NUM_HOSTAPD_MODES) {
3567 wpa_printf(MSG_DEBUG,
3568 "invalid frequency for channel switch (freq=%d, sec_channel_offset=%d, vht_enabled=%d, he_enabled=%d)",
3569 settings->freq_params.freq,
3570 settings->freq_params.sec_channel_offset,
3571 settings->freq_params.vht_enabled,
3572 settings->freq_params.he_enabled);
3573 return -1;
3574 }
3575
3576 settings->freq_params.channel = chan;
3577
3578 ret = hostapd_change_config_freq(iface->bss[0], iface->conf,
3579 &settings->freq_params,
3580 &old_freq);
3581 if (ret)
3582 return ret;
3583
3584 ret = hostapd_build_beacon_data(hapd, &settings->beacon_after);
3585
3586 /* change back the configuration */
3587 hostapd_change_config_freq(iface->bss[0], iface->conf,
3588 &old_freq, NULL);
3589
3590 if (ret)
3591 return ret;
3592
3593 /* set channel switch parameters for csa ie */
3594 hapd->cs_freq_params = settings->freq_params;
3595 hapd->cs_count = settings->cs_count;
3596 hapd->cs_block_tx = settings->block_tx;
3597
3598 ret = hostapd_build_beacon_data(hapd, &settings->beacon_csa);
3599 if (ret) {
3600 free_beacon_data(&settings->beacon_after);
3601 return ret;
3602 }
3603
3604 settings->counter_offset_beacon[0] = hapd->cs_c_off_beacon;
3605 settings->counter_offset_presp[0] = hapd->cs_c_off_proberesp;
3606 settings->counter_offset_beacon[1] = hapd->cs_c_off_ecsa_beacon;
3607 settings->counter_offset_presp[1] = hapd->cs_c_off_ecsa_proberesp;
3608
3609 return 0;
3610 }
3611
3612
hostapd_cleanup_cs_params(struct hostapd_data * hapd)3613 void hostapd_cleanup_cs_params(struct hostapd_data *hapd)
3614 {
3615 os_memset(&hapd->cs_freq_params, 0, sizeof(hapd->cs_freq_params));
3616 hapd->cs_count = 0;
3617 hapd->cs_block_tx = 0;
3618 hapd->cs_c_off_beacon = 0;
3619 hapd->cs_c_off_proberesp = 0;
3620 hapd->csa_in_progress = 0;
3621 hapd->cs_c_off_ecsa_beacon = 0;
3622 hapd->cs_c_off_ecsa_proberesp = 0;
3623 }
3624
3625
hostapd_chan_switch_config(struct hostapd_data * hapd,struct hostapd_freq_params * freq_params)3626 void hostapd_chan_switch_config(struct hostapd_data *hapd,
3627 struct hostapd_freq_params *freq_params)
3628 {
3629 if (freq_params->he_enabled)
3630 hapd->iconf->ch_switch_he_config |= CH_SWITCH_HE_ENABLED;
3631 else
3632 hapd->iconf->ch_switch_he_config |= CH_SWITCH_HE_DISABLED;
3633
3634 if (freq_params->vht_enabled)
3635 hapd->iconf->ch_switch_vht_config |= CH_SWITCH_VHT_ENABLED;
3636 else
3637 hapd->iconf->ch_switch_vht_config |= CH_SWITCH_VHT_DISABLED;
3638
3639 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
3640 HOSTAPD_LEVEL_INFO,
3641 "CHAN_SWITCH HE config 0x%x VHT config 0x%x",
3642 hapd->iconf->ch_switch_he_config,
3643 hapd->iconf->ch_switch_vht_config);
3644 }
3645
3646
hostapd_switch_channel(struct hostapd_data * hapd,struct csa_settings * settings)3647 int hostapd_switch_channel(struct hostapd_data *hapd,
3648 struct csa_settings *settings)
3649 {
3650 int ret;
3651
3652 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
3653 wpa_printf(MSG_INFO, "CSA is not supported");
3654 return -1;
3655 }
3656
3657 ret = hostapd_fill_csa_settings(hapd, settings);
3658 if (ret)
3659 return ret;
3660
3661 ret = hostapd_drv_switch_channel(hapd, settings);
3662 free_beacon_data(&settings->beacon_csa);
3663 free_beacon_data(&settings->beacon_after);
3664
3665 if (ret) {
3666 /* if we failed, clean cs parameters */
3667 hostapd_cleanup_cs_params(hapd);
3668 return ret;
3669 }
3670
3671 hapd->csa_in_progress = 1;
3672 return 0;
3673 }
3674
3675
3676 void
hostapd_switch_channel_fallback(struct hostapd_iface * iface,const struct hostapd_freq_params * freq_params)3677 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
3678 const struct hostapd_freq_params *freq_params)
3679 {
3680 int seg0_idx = 0, seg1_idx = 0, bw = CHANWIDTH_USE_HT;
3681
3682 wpa_printf(MSG_DEBUG, "Restarting all CSA-related BSSes");
3683
3684 if (freq_params->center_freq1)
3685 seg0_idx = 36 + (freq_params->center_freq1 - 5180) / 5;
3686 if (freq_params->center_freq2)
3687 seg1_idx = 36 + (freq_params->center_freq2 - 5180) / 5;
3688
3689 switch (freq_params->bandwidth) {
3690 case 0:
3691 case 20:
3692 case 40:
3693 bw = CHANWIDTH_USE_HT;
3694 break;
3695 case 80:
3696 if (freq_params->center_freq2)
3697 bw = CHANWIDTH_80P80MHZ;
3698 else
3699 bw = CHANWIDTH_80MHZ;
3700 break;
3701 case 160:
3702 bw = CHANWIDTH_160MHZ;
3703 break;
3704 default:
3705 wpa_printf(MSG_WARNING, "Unknown CSA bandwidth: %d",
3706 freq_params->bandwidth);
3707 break;
3708 }
3709
3710 iface->freq = freq_params->freq;
3711 iface->conf->channel = freq_params->channel;
3712 iface->conf->secondary_channel = freq_params->sec_channel_offset;
3713 hostapd_set_oper_centr_freq_seg0_idx(iface->conf, seg0_idx);
3714 hostapd_set_oper_centr_freq_seg1_idx(iface->conf, seg1_idx);
3715 hostapd_set_oper_chwidth(iface->conf, bw);
3716 iface->conf->ieee80211n = freq_params->ht_enabled;
3717 iface->conf->ieee80211ac = freq_params->vht_enabled;
3718 iface->conf->ieee80211ax = freq_params->he_enabled;
3719
3720 /*
3721 * cs_params must not be cleared earlier because the freq_params
3722 * argument may actually point to one of these.
3723 * These params will be cleared during interface disable below.
3724 */
3725 hostapd_disable_iface(iface);
3726 hostapd_enable_iface(iface);
3727 }
3728
3729 #endif /* NEED_AP_MLME */
3730
3731
hostapd_get_iface(struct hapd_interfaces * interfaces,const char * ifname)3732 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
3733 const char *ifname)
3734 {
3735 size_t i, j;
3736
3737 for (i = 0; i < interfaces->count; i++) {
3738 struct hostapd_iface *iface = interfaces->iface[i];
3739
3740 for (j = 0; j < iface->num_bss; j++) {
3741 struct hostapd_data *hapd = iface->bss[j];
3742
3743 if (os_strcmp(ifname, hapd->conf->iface) == 0)
3744 return hapd;
3745 }
3746 }
3747
3748 return NULL;
3749 }
3750
3751
hostapd_periodic_iface(struct hostapd_iface * iface)3752 void hostapd_periodic_iface(struct hostapd_iface *iface)
3753 {
3754 size_t i;
3755
3756 ap_list_timer(iface);
3757
3758 for (i = 0; i < iface->num_bss; i++) {
3759 struct hostapd_data *hapd = iface->bss[i];
3760
3761 if (!hapd->started)
3762 continue;
3763
3764 #ifndef CONFIG_NO_RADIUS
3765 hostapd_acl_expire(hapd);
3766 #endif /* CONFIG_NO_RADIUS */
3767 }
3768 }
3769
3770
3771 #ifdef CONFIG_OCV
hostapd_ocv_check_csa_sa_query(void * eloop_ctx,void * timeout_ctx)3772 void hostapd_ocv_check_csa_sa_query(void *eloop_ctx, void *timeout_ctx)
3773 {
3774 struct hostapd_data *hapd = eloop_ctx;
3775 struct sta_info *sta;
3776
3777 wpa_printf(MSG_DEBUG, "OCV: Post-CSA SA Query initiation check");
3778
3779 for (sta = hapd->sta_list; sta; sta = sta->next) {
3780 if (!sta->post_csa_sa_query)
3781 continue;
3782
3783 wpa_printf(MSG_DEBUG, "OCV: OCVC STA " MACSTR_SEC
3784 " did not start SA Query after CSA - disconnect",
3785 MAC2STR_SEC(sta->addr));
3786 ap_sta_disconnect(hapd, sta, sta->addr,
3787 WLAN_REASON_PREV_AUTH_NOT_VALID);
3788 }
3789 }
3790 #endif /* CONFIG_OCV */
3791