Line data Source code
1 : /*
2 : * hostapd / Initialization and configuration
3 : * Copyright (c) 2002-2014, 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 :
11 : #include "utils/common.h"
12 : #include "utils/eloop.h"
13 : #include "common/ieee802_11_defs.h"
14 : #include "common/wpa_ctrl.h"
15 : #include "radius/radius_client.h"
16 : #include "radius/radius_das.h"
17 : #include "eap_server/tncs.h"
18 : #include "eapol_auth/eapol_auth_sm.h"
19 : #include "eapol_auth/eapol_auth_sm_i.h"
20 : #include "fst/fst.h"
21 : #include "hostapd.h"
22 : #include "authsrv.h"
23 : #include "sta_info.h"
24 : #include "accounting.h"
25 : #include "ap_list.h"
26 : #include "beacon.h"
27 : #include "iapp.h"
28 : #include "ieee802_1x.h"
29 : #include "ieee802_11_auth.h"
30 : #include "vlan_init.h"
31 : #include "wpa_auth.h"
32 : #include "wps_hostapd.h"
33 : #include "hw_features.h"
34 : #include "wpa_auth_glue.h"
35 : #include "ap_drv_ops.h"
36 : #include "ap_config.h"
37 : #include "p2p_hostapd.h"
38 : #include "gas_serv.h"
39 : #include "dfs.h"
40 : #include "ieee802_11.h"
41 : #include "bss_load.h"
42 : #include "x_snoop.h"
43 : #include "dhcp_snoop.h"
44 : #include "ndisc_snoop.h"
45 :
46 :
47 : static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
48 : static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
49 : static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd);
50 : static int setup_interface2(struct hostapd_iface *iface);
51 : static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx);
52 :
53 :
54 5039 : int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
55 : int (*cb)(struct hostapd_iface *iface,
56 : void *ctx), void *ctx)
57 : {
58 : size_t i;
59 : int ret;
60 :
61 11097 : for (i = 0; i < interfaces->count; i++) {
62 6328 : ret = cb(interfaces->iface[i], ctx);
63 6328 : if (ret)
64 270 : return ret;
65 : }
66 :
67 4769 : return 0;
68 : }
69 :
70 :
71 22 : static void hostapd_reload_bss(struct hostapd_data *hapd)
72 : {
73 : struct hostapd_ssid *ssid;
74 :
75 : #ifndef CONFIG_NO_RADIUS
76 22 : radius_client_reconfig(hapd->radius, hapd->conf->radius);
77 : #endif /* CONFIG_NO_RADIUS */
78 :
79 22 : ssid = &hapd->conf->ssid;
80 22 : if (!ssid->wpa_psk_set && ssid->wpa_psk && !ssid->wpa_psk->next &&
81 3 : ssid->wpa_passphrase_set && ssid->wpa_passphrase) {
82 : /*
83 : * Force PSK to be derived again since SSID or passphrase may
84 : * have changed.
85 : */
86 3 : hostapd_config_clear_wpa_psk(&hapd->conf->ssid.wpa_psk);
87 : }
88 22 : if (hostapd_setup_wpa_psk(hapd->conf)) {
89 0 : wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
90 : "after reloading configuration");
91 : }
92 :
93 22 : if (hapd->conf->ieee802_1x || hapd->conf->wpa)
94 18 : hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
95 : else
96 4 : hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
97 :
98 22 : if ((hapd->conf->wpa || hapd->conf->osen) && hapd->wpa_auth == NULL) {
99 16 : hostapd_setup_wpa(hapd);
100 32 : if (hapd->wpa_auth)
101 16 : wpa_init_keys(hapd->wpa_auth);
102 6 : } else if (hapd->conf->wpa) {
103 : const u8 *wpa_ie;
104 : size_t wpa_ie_len;
105 2 : hostapd_reconfig_wpa(hapd);
106 2 : wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
107 2 : if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len))
108 0 : wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
109 : "the kernel driver.");
110 4 : } else if (hapd->wpa_auth) {
111 3 : wpa_deinit(hapd->wpa_auth);
112 3 : hapd->wpa_auth = NULL;
113 3 : hostapd_set_privacy(hapd, 0);
114 3 : hostapd_setup_encryption(hapd->conf->iface, hapd);
115 3 : hostapd_set_generic_elem(hapd, (u8 *) "", 0);
116 : }
117 :
118 22 : ieee802_11_set_beacon(hapd);
119 22 : hostapd_update_wps(hapd);
120 :
121 44 : if (hapd->conf->ssid.ssid_set &&
122 22 : hostapd_set_ssid(hapd, hapd->conf->ssid.ssid,
123 22 : hapd->conf->ssid.ssid_len)) {
124 0 : wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
125 : /* try to continue */
126 : }
127 22 : wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
128 22 : }
129 :
130 :
131 22 : static void hostapd_clear_old(struct hostapd_iface *iface)
132 : {
133 : size_t j;
134 :
135 : /*
136 : * Deauthenticate all stations since the new configuration may not
137 : * allow them to use the BSS anymore.
138 : */
139 44 : for (j = 0; j < iface->num_bss; j++) {
140 22 : hostapd_flush_old_stations(iface->bss[j],
141 : WLAN_REASON_PREV_AUTH_NOT_VALID);
142 22 : hostapd_broadcast_wep_clear(iface->bss[j]);
143 :
144 : #ifndef CONFIG_NO_RADIUS
145 : /* TODO: update dynamic data based on changed configuration
146 : * items (e.g., open/close sockets, etc.) */
147 22 : radius_client_flush(iface->bss[j]->radius, 0);
148 : #endif /* CONFIG_NO_RADIUS */
149 : }
150 22 : }
151 :
152 :
153 20 : int hostapd_reload_config(struct hostapd_iface *iface)
154 : {
155 20 : struct hostapd_data *hapd = iface->bss[0];
156 : struct hostapd_config *newconf, *oldconf;
157 : size_t j;
158 :
159 20 : if (iface->config_fname == NULL) {
160 : /* Only in-memory config in use - assume it has been updated */
161 19 : hostapd_clear_old(iface);
162 38 : for (j = 0; j < iface->num_bss; j++)
163 19 : hostapd_reload_bss(iface->bss[j]);
164 19 : return 0;
165 : }
166 :
167 2 : if (iface->interfaces == NULL ||
168 1 : iface->interfaces->config_read_cb == NULL)
169 0 : return -1;
170 1 : newconf = iface->interfaces->config_read_cb(iface->config_fname);
171 1 : if (newconf == NULL)
172 0 : return -1;
173 :
174 1 : hostapd_clear_old(iface);
175 :
176 1 : oldconf = hapd->iconf;
177 1 : iface->conf = newconf;
178 :
179 2 : for (j = 0; j < iface->num_bss; j++) {
180 1 : hapd = iface->bss[j];
181 1 : hapd->iconf = newconf;
182 1 : hapd->iconf->channel = oldconf->channel;
183 1 : hapd->iconf->acs = oldconf->acs;
184 1 : hapd->iconf->secondary_channel = oldconf->secondary_channel;
185 1 : hapd->iconf->ieee80211n = oldconf->ieee80211n;
186 1 : hapd->iconf->ieee80211ac = oldconf->ieee80211ac;
187 1 : hapd->iconf->ht_capab = oldconf->ht_capab;
188 1 : hapd->iconf->vht_capab = oldconf->vht_capab;
189 1 : hapd->iconf->vht_oper_chwidth = oldconf->vht_oper_chwidth;
190 2 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
191 1 : oldconf->vht_oper_centr_freq_seg0_idx;
192 2 : hapd->iconf->vht_oper_centr_freq_seg1_idx =
193 1 : oldconf->vht_oper_centr_freq_seg1_idx;
194 1 : hapd->conf = newconf->bss[j];
195 1 : hostapd_reload_bss(hapd);
196 : }
197 :
198 1 : hostapd_config_free(oldconf);
199 :
200 :
201 1 : return 0;
202 : }
203 :
204 :
205 2172 : static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
206 : char *ifname)
207 : {
208 : int i;
209 :
210 10860 : for (i = 0; i < NUM_WEP_KEYS; i++) {
211 8688 : if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
212 : 0, NULL, 0, NULL, 0)) {
213 12 : wpa_printf(MSG_DEBUG, "Failed to clear default "
214 : "encryption keys (ifname=%s keyidx=%d)",
215 : ifname, i);
216 : }
217 : }
218 : #ifdef CONFIG_IEEE80211W
219 2172 : if (hapd->conf->ieee80211w) {
220 510 : for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) {
221 340 : if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE,
222 : NULL, i, 0, NULL,
223 : 0, NULL, 0)) {
224 0 : wpa_printf(MSG_DEBUG, "Failed to clear "
225 : "default mgmt encryption keys "
226 : "(ifname=%s keyidx=%d)", ifname, i);
227 : }
228 : }
229 : }
230 : #endif /* CONFIG_IEEE80211W */
231 2172 : }
232 :
233 :
234 2172 : static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
235 : {
236 2172 : hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
237 2172 : return 0;
238 : }
239 :
240 :
241 2058 : static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
242 : {
243 2058 : int errors = 0, idx;
244 2058 : struct hostapd_ssid *ssid = &hapd->conf->ssid;
245 :
246 2058 : idx = ssid->wep.idx;
247 2061 : if (ssid->wep.default_len &&
248 6 : hostapd_drv_set_key(hapd->conf->iface,
249 : hapd, WPA_ALG_WEP, broadcast_ether_addr, idx,
250 3 : 1, NULL, 0, ssid->wep.key[idx],
251 : ssid->wep.len[idx])) {
252 3 : wpa_printf(MSG_WARNING, "Could not set WEP encryption.");
253 3 : errors++;
254 : }
255 :
256 2058 : return errors;
257 : }
258 :
259 :
260 2267 : static void hostapd_free_hapd_data(struct hostapd_data *hapd)
261 : {
262 2267 : os_free(hapd->probereq_cb);
263 2267 : hapd->probereq_cb = NULL;
264 2267 : hapd->num_probereq_cb = 0;
265 :
266 : #ifdef CONFIG_P2P
267 373 : wpabuf_free(hapd->p2p_beacon_ie);
268 373 : hapd->p2p_beacon_ie = NULL;
269 373 : wpabuf_free(hapd->p2p_probe_resp_ie);
270 373 : hapd->p2p_probe_resp_ie = NULL;
271 : #endif /* CONFIG_P2P */
272 :
273 2267 : if (!hapd->started) {
274 212 : wpa_printf(MSG_ERROR, "%s: Interface %s wasn't started",
275 212 : __func__, hapd->conf->iface);
276 2479 : return;
277 : }
278 2055 : hapd->started = 0;
279 :
280 2055 : wpa_printf(MSG_DEBUG, "%s(%s)", __func__, hapd->conf->iface);
281 2055 : iapp_deinit(hapd->iapp);
282 2055 : hapd->iapp = NULL;
283 2055 : accounting_deinit(hapd);
284 2055 : hostapd_deinit_wpa(hapd);
285 2055 : vlan_deinit(hapd);
286 2055 : hostapd_acl_deinit(hapd);
287 : #ifndef CONFIG_NO_RADIUS
288 1682 : radius_client_deinit(hapd->radius);
289 1682 : hapd->radius = NULL;
290 1682 : radius_das_deinit(hapd->radius_das);
291 1682 : hapd->radius_das = NULL;
292 : #endif /* CONFIG_NO_RADIUS */
293 :
294 2055 : hostapd_deinit_wps(hapd);
295 :
296 2055 : authsrv_deinit(hapd);
297 :
298 2055 : if (hapd->interface_added) {
299 43 : hapd->interface_added = 0;
300 43 : if (hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
301 0 : wpa_printf(MSG_WARNING,
302 : "Failed to remove BSS interface %s",
303 0 : hapd->conf->iface);
304 0 : hapd->interface_added = 1;
305 : } else {
306 : /*
307 : * Since this was a dynamically added interface, the
308 : * driver wrapper may have removed its internal instance
309 : * and hapd->drv_priv is not valid anymore.
310 : */
311 43 : hapd->drv_priv = NULL;
312 : }
313 : }
314 :
315 2055 : wpabuf_free(hapd->time_adv);
316 :
317 : #ifdef CONFIG_INTERWORKING
318 2055 : gas_serv_deinit(hapd);
319 : #endif /* CONFIG_INTERWORKING */
320 :
321 2055 : bss_load_update_deinit(hapd);
322 2055 : ndisc_snoop_deinit(hapd);
323 2055 : dhcp_snoop_deinit(hapd);
324 2055 : x_snoop_deinit(hapd);
325 :
326 : #ifdef CONFIG_SQLITE
327 1682 : bin_clear_free(hapd->tmp_eap_user.identity,
328 : hapd->tmp_eap_user.identity_len);
329 1682 : bin_clear_free(hapd->tmp_eap_user.password,
330 : hapd->tmp_eap_user.password_len);
331 : #endif /* CONFIG_SQLITE */
332 :
333 : #ifdef CONFIG_MESH
334 373 : wpabuf_free(hapd->mesh_pending_auth);
335 373 : hapd->mesh_pending_auth = NULL;
336 : #endif /* CONFIG_MESH */
337 : }
338 :
339 :
340 : /**
341 : * hostapd_cleanup - Per-BSS cleanup (deinitialization)
342 : * @hapd: Pointer to BSS data
343 : *
344 : * This function is used to free all per-BSS data structures and resources.
345 : * Most of the modules that are initialized in hostapd_setup_bss() are
346 : * deinitialized here.
347 : */
348 2123 : static void hostapd_cleanup(struct hostapd_data *hapd)
349 : {
350 2123 : wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s))", __func__, hapd,
351 2123 : hapd->conf->iface);
352 3873 : if (hapd->iface->interfaces &&
353 1750 : hapd->iface->interfaces->ctrl_iface_deinit)
354 1750 : hapd->iface->interfaces->ctrl_iface_deinit(hapd);
355 2123 : hostapd_free_hapd_data(hapd);
356 2123 : }
357 :
358 :
359 2235 : static void sta_track_deinit(struct hostapd_iface *iface)
360 : {
361 : struct hostapd_sta_info *info;
362 :
363 2235 : if (!iface->num_sta_seen)
364 4463 : return;
365 :
366 23 : while ((info = dl_list_first(&iface->sta_seen, struct hostapd_sta_info,
367 : list))) {
368 9 : dl_list_del(&info->list);
369 9 : iface->num_sta_seen--;
370 9 : os_free(info);
371 : }
372 : }
373 :
374 :
375 2235 : static void hostapd_cleanup_iface_partial(struct hostapd_iface *iface)
376 : {
377 2235 : wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
378 : #ifdef CONFIG_IEEE80211N
379 : #ifdef NEED_AP_MLME
380 2235 : hostapd_stop_setup_timers(iface);
381 : #endif /* NEED_AP_MLME */
382 : #endif /* CONFIG_IEEE80211N */
383 2235 : hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
384 2235 : iface->hw_features = NULL;
385 2235 : os_free(iface->current_rates);
386 2235 : iface->current_rates = NULL;
387 2235 : os_free(iface->basic_rates);
388 2235 : iface->basic_rates = NULL;
389 2235 : ap_list_deinit(iface);
390 2235 : sta_track_deinit(iface);
391 2235 : }
392 :
393 :
394 : /**
395 : * hostapd_cleanup_iface - Complete per-interface cleanup
396 : * @iface: Pointer to interface data
397 : *
398 : * This function is called after per-BSS data structures are deinitialized
399 : * with hostapd_cleanup().
400 : */
401 2106 : static void hostapd_cleanup_iface(struct hostapd_iface *iface)
402 : {
403 2106 : wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
404 2106 : eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
405 :
406 2106 : hostapd_cleanup_iface_partial(iface);
407 2106 : hostapd_config_free(iface->conf);
408 2106 : iface->conf = NULL;
409 :
410 2106 : os_free(iface->config_fname);
411 2106 : os_free(iface->bss);
412 2106 : wpa_printf(MSG_DEBUG, "%s: free iface=%p", __func__, iface);
413 2106 : os_free(iface);
414 2106 : }
415 :
416 :
417 2259 : static void hostapd_clear_wep(struct hostapd_data *hapd)
418 : {
419 2259 : if (hapd->drv_priv && !hapd->iface->driver_ap_teardown) {
420 95 : hostapd_set_privacy(hapd, 0);
421 95 : hostapd_broadcast_wep_clear(hapd);
422 : }
423 2259 : }
424 :
425 :
426 2058 : static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
427 : {
428 : int i;
429 :
430 2058 : hostapd_broadcast_wep_set(hapd);
431 :
432 2058 : if (hapd->conf->ssid.wep.default_len) {
433 3 : hostapd_set_privacy(hapd, 1);
434 3 : return 0;
435 : }
436 :
437 : /*
438 : * When IEEE 802.1X is not enabled, the driver may need to know how to
439 : * set authentication algorithms for static WEP.
440 : */
441 2055 : hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs);
442 :
443 10275 : for (i = 0; i < 4; i++) {
444 8235 : if (hapd->conf->ssid.wep.key[i] &&
445 30 : hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
446 15 : i == hapd->conf->ssid.wep.idx, NULL, 0,
447 15 : hapd->conf->ssid.wep.key[i],
448 15 : hapd->conf->ssid.wep.len[i])) {
449 0 : wpa_printf(MSG_WARNING, "Could not set WEP "
450 : "encryption.");
451 0 : return -1;
452 : }
453 8235 : if (hapd->conf->ssid.wep.key[i] &&
454 15 : i == hapd->conf->ssid.wep.idx)
455 13 : hostapd_set_privacy(hapd, 1);
456 : }
457 :
458 2055 : return 0;
459 : }
460 :
461 :
462 3998 : static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason)
463 : {
464 3998 : int ret = 0;
465 : u8 addr[ETH_ALEN];
466 :
467 3998 : if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
468 221 : return 0;
469 :
470 3777 : if (!hapd->iface->driver_ap_teardown) {
471 1810 : wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
472 : "Flushing old station entries");
473 :
474 1810 : if (hostapd_flush(hapd)) {
475 33 : wpa_msg(hapd->msg_ctx, MSG_WARNING,
476 : "Could not connect to kernel driver");
477 33 : ret = -1;
478 : }
479 : }
480 3777 : wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Deauthenticate all stations");
481 3777 : os_memset(addr, 0xff, ETH_ALEN);
482 3777 : hostapd_drv_sta_deauth(hapd, addr, reason);
483 3777 : hostapd_free_stas(hapd);
484 :
485 3777 : return ret;
486 : }
487 :
488 :
489 2259 : static void hostapd_bss_deinit_no_free(struct hostapd_data *hapd)
490 : {
491 2259 : hostapd_free_stas(hapd);
492 2259 : hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
493 2259 : hostapd_clear_wep(hapd);
494 2259 : }
495 :
496 :
497 : /**
498 : * hostapd_validate_bssid_configuration - Validate BSSID configuration
499 : * @iface: Pointer to interface data
500 : * Returns: 0 on success, -1 on failure
501 : *
502 : * This function is used to validate that the configured BSSIDs are valid.
503 : */
504 2023 : static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
505 : {
506 2023 : u8 mask[ETH_ALEN] = { 0 };
507 2023 : struct hostapd_data *hapd = iface->bss[0];
508 2023 : unsigned int i = iface->conf->num_bss, bits = 0, j;
509 2023 : int auto_addr = 0;
510 :
511 2023 : if (hostapd_drv_none(hapd))
512 12 : return 0;
513 :
514 : /* Generate BSSID mask that is large enough to cover the BSSIDs. */
515 :
516 : /* Determine the bits necessary to cover the number of BSSIDs. */
517 2023 : for (i--; i; i >>= 1)
518 12 : bits++;
519 :
520 : /* Determine the bits necessary to any configured BSSIDs,
521 : if they are higher than the number of BSSIDs. */
522 4034 : for (j = 0; j < iface->conf->num_bss; j++) {
523 2023 : if (hostapd_mac_comp_empty(iface->conf->bss[j]->bssid) == 0) {
524 1967 : if (j)
525 4 : auto_addr++;
526 1967 : continue;
527 : }
528 :
529 392 : for (i = 0; i < ETH_ALEN; i++) {
530 672 : mask[i] |=
531 336 : iface->conf->bss[j]->bssid[i] ^
532 336 : hapd->own_addr[i];
533 : }
534 : }
535 :
536 2011 : if (!auto_addr)
537 2007 : goto skip_mask_ext;
538 :
539 4 : for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
540 : ;
541 4 : j = 0;
542 4 : if (i < ETH_ALEN) {
543 0 : j = (5 - i) * 8;
544 :
545 0 : while (mask[i] != 0) {
546 0 : mask[i] >>= 1;
547 0 : j++;
548 : }
549 : }
550 :
551 4 : if (bits < j)
552 0 : bits = j;
553 :
554 4 : if (bits > 40) {
555 0 : wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)",
556 : bits);
557 0 : return -1;
558 : }
559 :
560 4 : os_memset(mask, 0xff, ETH_ALEN);
561 4 : j = bits / 8;
562 4 : for (i = 5; i > 5 - j; i--)
563 0 : mask[i] = 0;
564 4 : j = bits % 8;
565 12 : while (j--)
566 4 : mask[i] <<= 1;
567 :
568 : skip_mask_ext:
569 14077 : wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
570 14077 : (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
571 :
572 2011 : if (!auto_addr)
573 2007 : return 0;
574 :
575 28 : for (i = 0; i < ETH_ALEN; i++) {
576 24 : if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
577 0 : wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR
578 : " for start address " MACSTR ".",
579 0 : MAC2STR(mask), MAC2STR(hapd->own_addr));
580 0 : wpa_printf(MSG_ERROR, "Start address must be the "
581 : "first address in the block (i.e., addr "
582 : "AND mask == addr).");
583 0 : return -1;
584 : }
585 : }
586 :
587 4 : return 0;
588 : }
589 :
590 :
591 0 : static int mac_in_conf(struct hostapd_config *conf, const void *a)
592 : {
593 : size_t i;
594 :
595 0 : for (i = 0; i < conf->num_bss; i++) {
596 0 : if (hostapd_mac_comp(conf->bss[i]->bssid, a) == 0) {
597 0 : return 1;
598 : }
599 : }
600 :
601 0 : return 0;
602 : }
603 :
604 :
605 : #ifndef CONFIG_NO_RADIUS
606 :
607 22 : static int hostapd_das_nas_mismatch(struct hostapd_data *hapd,
608 : struct radius_das_attrs *attr)
609 : {
610 33 : if (attr->nas_identifier &&
611 22 : (!hapd->conf->nas_identifier ||
612 11 : os_strlen(hapd->conf->nas_identifier) !=
613 21 : attr->nas_identifier_len ||
614 10 : os_memcmp(hapd->conf->nas_identifier, attr->nas_identifier,
615 : attr->nas_identifier_len) != 0)) {
616 1 : wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-Identifier mismatch");
617 1 : return 1;
618 : }
619 :
620 30 : if (attr->nas_ip_addr &&
621 18 : (hapd->conf->own_ip_addr.af != AF_INET ||
622 9 : os_memcmp(&hapd->conf->own_ip_addr.u.v4, attr->nas_ip_addr, 4) !=
623 : 0)) {
624 1 : wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IP-Address mismatch");
625 1 : return 1;
626 : }
627 :
628 : #ifdef CONFIG_IPV6
629 20 : if (attr->nas_ipv6_addr &&
630 0 : (hapd->conf->own_ip_addr.af != AF_INET6 ||
631 0 : os_memcmp(&hapd->conf->own_ip_addr.u.v6, attr->nas_ipv6_addr, 16)
632 : != 0)) {
633 0 : wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IPv6-Address mismatch");
634 0 : return 1;
635 : }
636 : #endif /* CONFIG_IPV6 */
637 :
638 20 : return 0;
639 : }
640 :
641 :
642 20 : static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd,
643 : struct radius_das_attrs *attr,
644 : int *multi)
645 : {
646 : struct sta_info *selected, *sta;
647 : char buf[128];
648 20 : int num_attr = 0;
649 : int count;
650 :
651 20 : *multi = 0;
652 :
653 43 : for (sta = hapd->sta_list; sta; sta = sta->next)
654 23 : sta->radius_das_match = 1;
655 :
656 20 : if (attr->sta_addr) {
657 6 : num_attr++;
658 6 : sta = ap_get_sta(hapd, attr->sta_addr);
659 6 : if (!sta) {
660 3 : wpa_printf(MSG_DEBUG,
661 : "RADIUS DAS: No Calling-Station-Id match");
662 3 : return NULL;
663 : }
664 :
665 3 : selected = sta;
666 8 : for (sta = hapd->sta_list; sta; sta = sta->next) {
667 5 : if (sta != selected)
668 2 : sta->radius_das_match = 0;
669 : }
670 3 : wpa_printf(MSG_DEBUG, "RADIUS DAS: Calling-Station-Id match");
671 : }
672 :
673 17 : if (attr->acct_session_id) {
674 3 : num_attr++;
675 3 : if (attr->acct_session_id_len != 17) {
676 1 : wpa_printf(MSG_DEBUG,
677 : "RADIUS DAS: Acct-Session-Id cannot match");
678 1 : return NULL;
679 : }
680 2 : count = 0;
681 :
682 4 : for (sta = hapd->sta_list; sta; sta = sta->next) {
683 2 : if (!sta->radius_das_match)
684 0 : continue;
685 2 : os_snprintf(buf, sizeof(buf), "%08X-%08X",
686 : sta->acct_session_id_hi,
687 : sta->acct_session_id_lo);
688 2 : if (os_memcmp(attr->acct_session_id, buf, 17) != 0)
689 1 : sta->radius_das_match = 0;
690 : else
691 1 : count++;
692 : }
693 :
694 2 : if (count == 0) {
695 1 : wpa_printf(MSG_DEBUG,
696 : "RADIUS DAS: No matches remaining after Acct-Session-Id check");
697 1 : return NULL;
698 : }
699 1 : wpa_printf(MSG_DEBUG, "RADIUS DAS: Acct-Session-Id match");
700 : }
701 :
702 15 : if (attr->acct_multi_session_id) {
703 4 : num_attr++;
704 4 : if (attr->acct_multi_session_id_len != 17) {
705 1 : wpa_printf(MSG_DEBUG,
706 : "RADIUS DAS: Acct-Multi-Session-Id cannot match");
707 1 : return NULL;
708 : }
709 3 : count = 0;
710 :
711 7 : for (sta = hapd->sta_list; sta; sta = sta->next) {
712 4 : if (!sta->radius_das_match)
713 0 : continue;
714 8 : if (!sta->eapol_sm ||
715 4 : !sta->eapol_sm->acct_multi_session_id_hi) {
716 0 : sta->radius_das_match = 0;
717 0 : continue;
718 : }
719 8 : os_snprintf(buf, sizeof(buf), "%08X+%08X",
720 4 : sta->eapol_sm->acct_multi_session_id_hi,
721 4 : sta->eapol_sm->acct_multi_session_id_lo);
722 4 : if (os_memcmp(attr->acct_multi_session_id, buf, 17) !=
723 : 0)
724 3 : sta->radius_das_match = 0;
725 : else
726 1 : count++;
727 : }
728 :
729 3 : if (count == 0) {
730 2 : wpa_printf(MSG_DEBUG,
731 : "RADIUS DAS: No matches remaining after Acct-Multi-Session-Id check");
732 2 : return NULL;
733 : }
734 1 : wpa_printf(MSG_DEBUG,
735 : "RADIUS DAS: Acct-Multi-Session-Id match");
736 : }
737 :
738 12 : if (attr->cui) {
739 3 : num_attr++;
740 3 : count = 0;
741 :
742 6 : for (sta = hapd->sta_list; sta; sta = sta->next) {
743 : struct wpabuf *cui;
744 :
745 3 : if (!sta->radius_das_match)
746 0 : continue;
747 3 : cui = ieee802_1x_get_radius_cui(sta->eapol_sm);
748 4 : if (!cui || wpabuf_len(cui) != attr->cui_len ||
749 1 : os_memcmp(wpabuf_head(cui), attr->cui,
750 : attr->cui_len) != 0)
751 2 : sta->radius_das_match = 0;
752 : else
753 1 : count++;
754 : }
755 :
756 3 : if (count == 0) {
757 2 : wpa_printf(MSG_DEBUG,
758 : "RADIUS DAS: No matches remaining after Chargeable-User-Identity check");
759 2 : return NULL;
760 : }
761 1 : wpa_printf(MSG_DEBUG,
762 : "RADIUS DAS: Chargeable-User-Identity match");
763 : }
764 :
765 10 : if (attr->user_name) {
766 5 : num_attr++;
767 5 : count = 0;
768 :
769 14 : for (sta = hapd->sta_list; sta; sta = sta->next) {
770 : u8 *identity;
771 : size_t identity_len;
772 :
773 9 : if (!sta->radius_das_match)
774 2 : continue;
775 7 : identity = ieee802_1x_get_identity(sta->eapol_sm,
776 : &identity_len);
777 14 : if (!identity ||
778 11 : identity_len != attr->user_name_len ||
779 4 : os_memcmp(identity, attr->user_name, identity_len)
780 : != 0)
781 3 : sta->radius_das_match = 0;
782 : else
783 4 : count++;
784 : }
785 :
786 5 : if (count == 0) {
787 2 : wpa_printf(MSG_DEBUG,
788 : "RADIUS DAS: No matches remaining after User-Name check");
789 2 : return NULL;
790 : }
791 3 : wpa_printf(MSG_DEBUG,
792 : "RADIUS DAS: User-Name match");
793 : }
794 :
795 8 : if (num_attr == 0) {
796 : /*
797 : * In theory, we could match all current associations, but it
798 : * seems safer to just reject requests that do not include any
799 : * session identification attributes.
800 : */
801 1 : wpa_printf(MSG_DEBUG,
802 : "RADIUS DAS: No session identification attributes included");
803 1 : return NULL;
804 : }
805 :
806 7 : selected = NULL;
807 18 : for (sta = hapd->sta_list; sta; sta = sta->next) {
808 12 : if (sta->radius_das_match) {
809 8 : if (selected) {
810 1 : *multi = 1;
811 1 : return NULL;
812 : }
813 7 : selected = sta;
814 : }
815 : }
816 :
817 6 : return selected;
818 : }
819 :
820 :
821 13 : static int hostapd_das_disconnect_pmksa(struct hostapd_data *hapd,
822 : struct radius_das_attrs *attr)
823 : {
824 13 : if (!hapd->wpa_auth)
825 0 : return -1;
826 13 : return wpa_auth_radius_das_disconnect_pmksa(hapd->wpa_auth, attr);
827 : }
828 :
829 :
830 : static enum radius_das_res
831 22 : hostapd_das_disconnect(void *ctx, struct radius_das_attrs *attr)
832 : {
833 22 : struct hostapd_data *hapd = ctx;
834 : struct sta_info *sta;
835 : int multi;
836 :
837 22 : if (hostapd_das_nas_mismatch(hapd, attr))
838 2 : return RADIUS_DAS_NAS_MISMATCH;
839 :
840 20 : sta = hostapd_das_find_sta(hapd, attr, &multi);
841 20 : if (sta == NULL) {
842 14 : if (multi) {
843 1 : wpa_printf(MSG_DEBUG,
844 : "RADIUS DAS: Multiple sessions match - not supported");
845 1 : return RADIUS_DAS_MULTI_SESSION_MATCH;
846 : }
847 13 : if (hostapd_das_disconnect_pmksa(hapd, attr) == 0) {
848 4 : wpa_printf(MSG_DEBUG,
849 : "RADIUS DAS: PMKSA cache entry matched");
850 4 : return RADIUS_DAS_SUCCESS;
851 : }
852 9 : wpa_printf(MSG_DEBUG, "RADIUS DAS: No matching session found");
853 9 : return RADIUS_DAS_SESSION_NOT_FOUND;
854 : }
855 :
856 36 : wpa_printf(MSG_DEBUG, "RADIUS DAS: Found a matching session " MACSTR
857 36 : " - disconnecting", MAC2STR(sta->addr));
858 6 : wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr);
859 :
860 6 : hostapd_drv_sta_deauth(hapd, sta->addr,
861 : WLAN_REASON_PREV_AUTH_NOT_VALID);
862 6 : ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID);
863 :
864 6 : return RADIUS_DAS_SUCCESS;
865 : }
866 :
867 : #endif /* CONFIG_NO_RADIUS */
868 :
869 :
870 : /**
871 : * hostapd_setup_bss - Per-BSS setup (initialization)
872 : * @hapd: Pointer to BSS data
873 : * @first: Whether this BSS is the first BSS of an interface; -1 = not first,
874 : * but interface may exist
875 : *
876 : * This function is used to initialize all per-BSS data structures and
877 : * resources. This gets called in a loop for each BSS when an interface is
878 : * initialized. Most of the modules that are initialized here will be
879 : * deinitialized in hostapd_cleanup().
880 : */
881 2055 : static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
882 : {
883 2055 : struct hostapd_bss_config *conf = hapd->conf;
884 : u8 ssid[SSID_MAX_LEN + 1];
885 : int ssid_len, set_ssid;
886 : char force_ifname[IFNAMSIZ];
887 : u8 if_addr[ETH_ALEN];
888 2055 : int flush_old_stations = 1;
889 :
890 2055 : wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s), first=%d)",
891 2055 : __func__, hapd, conf->iface, first);
892 :
893 : #ifdef EAP_SERVER_TNC
894 1682 : if (conf->tnc && tncs_global_init() < 0) {
895 0 : wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
896 0 : return -1;
897 : }
898 : #endif /* EAP_SERVER_TNC */
899 :
900 2055 : if (hapd->started) {
901 0 : wpa_printf(MSG_ERROR, "%s: Interface %s was already started",
902 0 : __func__, conf->iface);
903 0 : return -1;
904 : }
905 2055 : hapd->started = 1;
906 :
907 2055 : if (!first || first == -1) {
908 43 : if (hostapd_mac_comp_empty(conf->bssid) == 0) {
909 : /* Allocate the next available BSSID. */
910 : do {
911 0 : inc_byte_array(hapd->own_addr, ETH_ALEN);
912 0 : } while (mac_in_conf(hapd->iconf, hapd->own_addr));
913 : } else {
914 : /* Allocate the configured BSSID. */
915 43 : os_memcpy(hapd->own_addr, conf->bssid, ETH_ALEN);
916 :
917 43 : if (hostapd_mac_comp(hapd->own_addr,
918 43 : hapd->iface->bss[0]->own_addr) ==
919 : 0) {
920 0 : wpa_printf(MSG_ERROR, "BSS '%s' may not have "
921 : "BSSID set to the MAC address of "
922 0 : "the radio", conf->iface);
923 0 : return -1;
924 : }
925 : }
926 :
927 43 : hapd->interface_added = 1;
928 129 : if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
929 43 : conf->iface, hapd->own_addr, hapd,
930 : &hapd->drv_priv, force_ifname, if_addr,
931 43 : conf->bridge[0] ? conf->bridge : NULL,
932 : first == -1)) {
933 0 : wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
934 0 : MACSTR ")", MAC2STR(hapd->own_addr));
935 0 : hapd->interface_added = 0;
936 0 : return -1;
937 : }
938 : }
939 :
940 2055 : if (conf->wmm_enabled < 0)
941 1683 : conf->wmm_enabled = hapd->iconf->ieee80211n;
942 :
943 : #ifdef CONFIG_MESH
944 373 : if (hapd->iface->mconf == NULL)
945 338 : flush_old_stations = 0;
946 : #endif /* CONFIG_MESH */
947 :
948 2055 : if (flush_old_stations)
949 1717 : hostapd_flush_old_stations(hapd,
950 : WLAN_REASON_PREV_AUTH_NOT_VALID);
951 2055 : hostapd_set_privacy(hapd, 0);
952 :
953 2055 : hostapd_broadcast_wep_clear(hapd);
954 2055 : if (hostapd_setup_encryption(conf->iface, hapd))
955 0 : return -1;
956 :
957 : /*
958 : * Fetch the SSID from the system and use it or,
959 : * if one was specified in the config file, verify they
960 : * match.
961 : */
962 2055 : ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
963 2055 : if (ssid_len < 0) {
964 0 : wpa_printf(MSG_ERROR, "Could not read SSID from system");
965 0 : return -1;
966 : }
967 2055 : if (conf->ssid.ssid_set) {
968 : /*
969 : * If SSID is specified in the config file and it differs
970 : * from what is being used then force installation of the
971 : * new SSID.
972 : */
973 2008 : set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
974 0 : os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
975 : } else {
976 : /*
977 : * No SSID in the config file; just use the one we got
978 : * from the system.
979 : */
980 47 : set_ssid = 0;
981 47 : conf->ssid.ssid_len = ssid_len;
982 47 : os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
983 : }
984 :
985 2055 : if (!hostapd_drv_none(hapd)) {
986 18387 : wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR
987 : " and ssid \"%s\"",
988 14301 : conf->iface, MAC2STR(hapd->own_addr),
989 2043 : wpa_ssid_txt(conf->ssid.ssid, conf->ssid.ssid_len));
990 : }
991 :
992 2055 : if (hostapd_setup_wpa_psk(conf)) {
993 4 : wpa_printf(MSG_ERROR, "WPA-PSK setup failed.");
994 4 : return -1;
995 : }
996 :
997 : /* Set SSID for the kernel driver (to be used in beacon and probe
998 : * response frames) */
999 2051 : if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid,
1000 : conf->ssid.ssid_len)) {
1001 0 : wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
1002 0 : return -1;
1003 : }
1004 :
1005 2051 : if (wpa_debug_level <= MSG_MSGDUMP)
1006 2051 : conf->radius->msg_dumps = 1;
1007 : #ifndef CONFIG_NO_RADIUS
1008 1678 : hapd->radius = radius_client_init(hapd, conf->radius);
1009 1678 : if (hapd->radius == NULL) {
1010 0 : wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
1011 0 : return -1;
1012 : }
1013 :
1014 1678 : if (conf->radius_das_port) {
1015 : struct radius_das_conf das_conf;
1016 2 : os_memset(&das_conf, 0, sizeof(das_conf));
1017 2 : das_conf.port = conf->radius_das_port;
1018 2 : das_conf.shared_secret = conf->radius_das_shared_secret;
1019 2 : das_conf.shared_secret_len =
1020 2 : conf->radius_das_shared_secret_len;
1021 2 : das_conf.client_addr = &conf->radius_das_client_addr;
1022 2 : das_conf.time_window = conf->radius_das_time_window;
1023 2 : das_conf.require_event_timestamp =
1024 2 : conf->radius_das_require_event_timestamp;
1025 2 : das_conf.ctx = hapd;
1026 2 : das_conf.disconnect = hostapd_das_disconnect;
1027 2 : hapd->radius_das = radius_das_init(&das_conf);
1028 2 : if (hapd->radius_das == NULL) {
1029 0 : wpa_printf(MSG_ERROR, "RADIUS DAS initialization "
1030 : "failed.");
1031 0 : return -1;
1032 : }
1033 : }
1034 : #endif /* CONFIG_NO_RADIUS */
1035 :
1036 2051 : if (hostapd_acl_init(hapd)) {
1037 0 : wpa_printf(MSG_ERROR, "ACL initialization failed.");
1038 0 : return -1;
1039 : }
1040 2051 : if (hostapd_init_wps(hapd, conf))
1041 0 : return -1;
1042 :
1043 2051 : if (authsrv_init(hapd) < 0)
1044 3 : return -1;
1045 :
1046 2048 : if (ieee802_1x_init(hapd)) {
1047 0 : wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed.");
1048 0 : return -1;
1049 : }
1050 :
1051 2048 : if ((conf->wpa || conf->osen) && hostapd_setup_wpa(hapd))
1052 0 : return -1;
1053 :
1054 2048 : if (accounting_init(hapd)) {
1055 1 : wpa_printf(MSG_ERROR, "Accounting initialization failed.");
1056 1 : return -1;
1057 : }
1058 :
1059 2047 : if (conf->ieee802_11f &&
1060 0 : (hapd->iapp = iapp_init(hapd, conf->iapp_iface)) == NULL) {
1061 0 : wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization "
1062 : "failed.");
1063 0 : return -1;
1064 : }
1065 :
1066 : #ifdef CONFIG_INTERWORKING
1067 2047 : if (gas_serv_init(hapd)) {
1068 0 : wpa_printf(MSG_ERROR, "GAS server initialization failed");
1069 0 : return -1;
1070 : }
1071 :
1072 2048 : if (conf->qos_map_set_len &&
1073 1 : hostapd_drv_set_qos_map(hapd, conf->qos_map_set,
1074 1 : conf->qos_map_set_len)) {
1075 0 : wpa_printf(MSG_ERROR, "Failed to initialize QoS Map");
1076 0 : return -1;
1077 : }
1078 : #endif /* CONFIG_INTERWORKING */
1079 :
1080 2047 : if (conf->bss_load_update_period && bss_load_update_init(hapd)) {
1081 0 : wpa_printf(MSG_ERROR, "BSS Load initialization failed");
1082 0 : return -1;
1083 : }
1084 :
1085 2047 : if (conf->proxy_arp) {
1086 7 : if (x_snoop_init(hapd)) {
1087 2 : wpa_printf(MSG_ERROR,
1088 : "Generic snooping infrastructure initialization failed");
1089 2 : return -1;
1090 : }
1091 :
1092 5 : if (dhcp_snoop_init(hapd)) {
1093 0 : wpa_printf(MSG_ERROR,
1094 : "DHCP snooping initialization failed");
1095 0 : return -1;
1096 : }
1097 :
1098 5 : if (ndisc_snoop_init(hapd)) {
1099 0 : wpa_printf(MSG_ERROR,
1100 : "Neighbor Discovery snooping initialization failed");
1101 0 : return -1;
1102 : }
1103 : }
1104 :
1105 2045 : if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
1106 0 : wpa_printf(MSG_ERROR, "VLAN initialization failed.");
1107 0 : return -1;
1108 : }
1109 :
1110 2045 : if (!conf->start_disabled && ieee802_11_set_beacon(hapd) < 0)
1111 3 : return -1;
1112 :
1113 2042 : if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
1114 0 : return -1;
1115 :
1116 2042 : if (hapd->driver && hapd->driver->set_operstate)
1117 2030 : hapd->driver->set_operstate(hapd->drv_priv, 1);
1118 :
1119 2042 : return 0;
1120 : }
1121 :
1122 :
1123 2000 : static void hostapd_tx_queue_params(struct hostapd_iface *iface)
1124 : {
1125 2000 : struct hostapd_data *hapd = iface->bss[0];
1126 : int i;
1127 : struct hostapd_tx_queue_params *p;
1128 :
1129 : #ifdef CONFIG_MESH
1130 373 : if (iface->mconf == NULL)
1131 711 : return;
1132 : #endif /* CONFIG_MESH */
1133 :
1134 8310 : for (i = 0; i < NUM_TX_QUEUES; i++) {
1135 6648 : p = &iface->conf->tx_queue[i];
1136 :
1137 6648 : if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
1138 : p->cwmax, p->burst)) {
1139 140 : wpa_printf(MSG_DEBUG, "Failed to set TX queue "
1140 : "parameters for queue %d.", i);
1141 : /* Continue anyway */
1142 : }
1143 : }
1144 1627 : }
1145 :
1146 :
1147 0 : static int hostapd_set_acl_list(struct hostapd_data *hapd,
1148 : struct mac_acl_entry *mac_acl,
1149 : int n_entries, u8 accept_acl)
1150 : {
1151 : struct hostapd_acl_params *acl_params;
1152 : int i, err;
1153 :
1154 0 : acl_params = os_zalloc(sizeof(*acl_params) +
1155 0 : (n_entries * sizeof(acl_params->mac_acl[0])));
1156 0 : if (!acl_params)
1157 0 : return -ENOMEM;
1158 :
1159 0 : for (i = 0; i < n_entries; i++)
1160 0 : os_memcpy(acl_params->mac_acl[i].addr, mac_acl[i].addr,
1161 : ETH_ALEN);
1162 :
1163 0 : acl_params->acl_policy = accept_acl;
1164 0 : acl_params->num_mac_acl = n_entries;
1165 :
1166 0 : err = hostapd_drv_set_acl(hapd, acl_params);
1167 :
1168 0 : os_free(acl_params);
1169 :
1170 0 : return err;
1171 : }
1172 :
1173 :
1174 2000 : static void hostapd_set_acl(struct hostapd_data *hapd)
1175 : {
1176 2000 : struct hostapd_config *conf = hapd->iconf;
1177 : int err;
1178 : u8 accept_acl;
1179 :
1180 2000 : if (hapd->iface->drv_max_acl_mac_addrs == 0)
1181 2000 : return;
1182 :
1183 0 : if (conf->bss[0]->macaddr_acl == DENY_UNLESS_ACCEPTED) {
1184 0 : accept_acl = 1;
1185 0 : err = hostapd_set_acl_list(hapd, conf->bss[0]->accept_mac,
1186 0 : conf->bss[0]->num_accept_mac,
1187 : accept_acl);
1188 0 : if (err) {
1189 0 : wpa_printf(MSG_DEBUG, "Failed to set accept acl");
1190 0 : return;
1191 : }
1192 0 : } else if (conf->bss[0]->macaddr_acl == ACCEPT_UNLESS_DENIED) {
1193 0 : accept_acl = 0;
1194 0 : err = hostapd_set_acl_list(hapd, conf->bss[0]->deny_mac,
1195 0 : conf->bss[0]->num_deny_mac,
1196 : accept_acl);
1197 0 : if (err) {
1198 0 : wpa_printf(MSG_DEBUG, "Failed to set deny acl");
1199 0 : return;
1200 : }
1201 : }
1202 : }
1203 :
1204 :
1205 37 : static int start_ctrl_iface_bss(struct hostapd_data *hapd)
1206 : {
1207 74 : if (!hapd->iface->interfaces ||
1208 37 : !hapd->iface->interfaces->ctrl_iface_init)
1209 0 : return 0;
1210 :
1211 37 : if (hapd->iface->interfaces->ctrl_iface_init(hapd)) {
1212 0 : wpa_printf(MSG_ERROR,
1213 : "Failed to setup control interface for %s",
1214 0 : hapd->conf->iface);
1215 0 : return -1;
1216 : }
1217 :
1218 37 : return 0;
1219 : }
1220 :
1221 :
1222 3687 : static int start_ctrl_iface(struct hostapd_iface *iface)
1223 : {
1224 : size_t i;
1225 :
1226 3687 : if (!iface->interfaces || !iface->interfaces->ctrl_iface_init)
1227 373 : return 0;
1228 :
1229 6637 : for (i = 0; i < iface->num_bss; i++) {
1230 3329 : struct hostapd_data *hapd = iface->bss[i];
1231 3329 : if (iface->interfaces->ctrl_iface_init(hapd)) {
1232 6 : wpa_printf(MSG_ERROR,
1233 : "Failed to setup control interface for %s",
1234 6 : hapd->conf->iface);
1235 6 : return -1;
1236 : }
1237 : }
1238 :
1239 3308 : return 0;
1240 : }
1241 :
1242 :
1243 4 : static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx)
1244 : {
1245 4 : struct hostapd_iface *iface = eloop_ctx;
1246 :
1247 4 : if (!iface->wait_channel_update) {
1248 0 : wpa_printf(MSG_INFO, "Channel list update timeout, but interface was not waiting for it");
1249 4 : return;
1250 : }
1251 :
1252 : /*
1253 : * It is possible that the existing channel list is acceptable, so try
1254 : * to proceed.
1255 : */
1256 4 : wpa_printf(MSG_DEBUG, "Channel list update timeout - try to continue anyway");
1257 4 : setup_interface2(iface);
1258 : }
1259 :
1260 :
1261 2751 : void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator)
1262 : {
1263 2751 : if (!iface->wait_channel_update || initiator != REGDOM_SET_BY_USER)
1264 5317 : return;
1265 :
1266 185 : wpa_printf(MSG_DEBUG, "Channel list updated - continue setup");
1267 185 : eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
1268 185 : setup_interface2(iface);
1269 : }
1270 :
1271 :
1272 2023 : static int setup_interface(struct hostapd_iface *iface)
1273 : {
1274 2023 : struct hostapd_data *hapd = iface->bss[0];
1275 : size_t i;
1276 :
1277 : /*
1278 : * It is possible that setup_interface() is called after the interface
1279 : * was disabled etc., in which case driver_ap_teardown is possibly set
1280 : * to 1. Clear it here so any other key/station deletion, which is not
1281 : * part of a teardown flow, would also call the relevant driver
1282 : * callbacks.
1283 : */
1284 2023 : iface->driver_ap_teardown = 0;
1285 :
1286 2023 : if (!iface->phy[0]) {
1287 1967 : const char *phy = hostapd_drv_get_radio_name(hapd);
1288 1967 : if (phy) {
1289 1955 : wpa_printf(MSG_DEBUG, "phy: %s", phy);
1290 1955 : os_strlcpy(iface->phy, phy, sizeof(iface->phy));
1291 : }
1292 : }
1293 :
1294 : /*
1295 : * Make sure that all BSSes get configured with a pointer to the same
1296 : * driver interface.
1297 : */
1298 2031 : for (i = 1; i < iface->num_bss; i++) {
1299 8 : iface->bss[i]->driver = hapd->driver;
1300 8 : iface->bss[i]->drv_priv = hapd->drv_priv;
1301 : }
1302 :
1303 2023 : if (hostapd_validate_bssid_configuration(iface))
1304 0 : return -1;
1305 :
1306 : /*
1307 : * Initialize control interfaces early to allow external monitoring of
1308 : * channel setup operations that may take considerable amount of time
1309 : * especially for DFS cases.
1310 : */
1311 2023 : if (start_ctrl_iface(iface))
1312 0 : return -1;
1313 :
1314 2023 : if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
1315 : char country[4], previous_country[4];
1316 :
1317 339 : hostapd_set_state(iface, HAPD_IFACE_COUNTRY_UPDATE);
1318 339 : if (hostapd_get_country(hapd, previous_country) < 0)
1319 0 : previous_country[0] = '\0';
1320 :
1321 339 : os_memcpy(country, hapd->iconf->country, 3);
1322 339 : country[3] = '\0';
1323 339 : if (hostapd_set_country(hapd, country) < 0) {
1324 0 : wpa_printf(MSG_ERROR, "Failed to set country code");
1325 189 : return -1;
1326 : }
1327 :
1328 339 : wpa_printf(MSG_DEBUG, "Previous country code %s, new country code %s",
1329 : previous_country, country);
1330 :
1331 339 : if (os_strncmp(previous_country, country, 2) != 0) {
1332 189 : wpa_printf(MSG_DEBUG, "Continue interface setup after channel list update");
1333 189 : iface->wait_channel_update = 1;
1334 189 : eloop_register_timeout(5, 0,
1335 : channel_list_update_timeout,
1336 : iface, NULL);
1337 189 : return 0;
1338 : }
1339 : }
1340 :
1341 1834 : return setup_interface2(iface);
1342 : }
1343 :
1344 :
1345 2023 : static int setup_interface2(struct hostapd_iface *iface)
1346 : {
1347 2023 : iface->wait_channel_update = 0;
1348 :
1349 2023 : if (hostapd_get_hw_features(iface)) {
1350 : /* Not all drivers support this yet, so continue without hw
1351 : * feature data. */
1352 : } else {
1353 2011 : int ret = hostapd_select_hw_mode(iface);
1354 2011 : if (ret < 0) {
1355 2 : wpa_printf(MSG_ERROR, "Could not select hw_mode and "
1356 : "channel. (%d)", ret);
1357 2 : goto fail;
1358 : }
1359 2009 : if (ret == 1) {
1360 11 : wpa_printf(MSG_DEBUG, "Interface initialization will be completed in a callback (ACS)");
1361 11 : return 0;
1362 : }
1363 1998 : ret = hostapd_check_ht_capab(iface);
1364 1998 : if (ret < 0)
1365 2 : goto fail;
1366 1996 : if (ret == 1) {
1367 55 : wpa_printf(MSG_DEBUG, "Interface initialization will "
1368 : "be completed in a callback");
1369 55 : return 0;
1370 : }
1371 :
1372 1941 : if (iface->conf->ieee80211h)
1373 6 : wpa_printf(MSG_DEBUG, "DFS support is enabled");
1374 : }
1375 1953 : return hostapd_setup_interface_complete(iface, 0);
1376 :
1377 : fail:
1378 4 : hostapd_set_state(iface, HAPD_IFACE_DISABLED);
1379 4 : wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
1380 4 : if (iface->interfaces && iface->interfaces->terminate_on_error)
1381 0 : eloop_terminate();
1382 4 : return -1;
1383 : }
1384 :
1385 :
1386 : #ifdef CONFIG_FST
1387 :
1388 532 : static const u8 * fst_hostapd_get_bssid_cb(void *ctx)
1389 : {
1390 532 : struct hostapd_data *hapd = ctx;
1391 :
1392 532 : return hapd->own_addr;
1393 : }
1394 :
1395 :
1396 1193 : static void fst_hostapd_get_channel_info_cb(void *ctx,
1397 : enum hostapd_hw_mode *hw_mode,
1398 : u8 *channel)
1399 : {
1400 1193 : struct hostapd_data *hapd = ctx;
1401 :
1402 1193 : *hw_mode = ieee80211_freq_to_chan(hapd->iface->freq, channel);
1403 1193 : }
1404 :
1405 :
1406 804 : static void fst_hostapd_set_ies_cb(void *ctx, const struct wpabuf *fst_ies)
1407 : {
1408 804 : struct hostapd_data *hapd = ctx;
1409 :
1410 804 : if (hapd->iface->fst_ies != fst_ies) {
1411 532 : hapd->iface->fst_ies = fst_ies;
1412 532 : if (ieee802_11_set_beacon(hapd))
1413 0 : wpa_printf(MSG_WARNING, "FST: Cannot set beacon");
1414 : }
1415 804 : }
1416 :
1417 :
1418 345 : static int fst_hostapd_send_action_cb(void *ctx, const u8 *da,
1419 : struct wpabuf *buf)
1420 : {
1421 345 : struct hostapd_data *hapd = ctx;
1422 :
1423 690 : return hostapd_drv_send_action(hapd, hapd->iface->freq, 0, da,
1424 345 : wpabuf_head(buf), wpabuf_len(buf));
1425 : }
1426 :
1427 :
1428 300 : static const struct wpabuf * fst_hostapd_get_mb_ie_cb(void *ctx, const u8 *addr)
1429 : {
1430 300 : struct hostapd_data *hapd = ctx;
1431 300 : struct sta_info *sta = ap_get_sta(hapd, addr);
1432 :
1433 300 : return sta ? sta->mb_ies : NULL;
1434 : }
1435 :
1436 :
1437 291 : static void fst_hostapd_update_mb_ie_cb(void *ctx, const u8 *addr,
1438 : const u8 *buf, size_t size)
1439 : {
1440 291 : struct hostapd_data *hapd = ctx;
1441 291 : struct sta_info *sta = ap_get_sta(hapd, addr);
1442 :
1443 291 : if (sta) {
1444 : struct mb_ies_info info;
1445 :
1446 291 : if (!mb_ies_info_by_ies(&info, buf, size)) {
1447 291 : wpabuf_free(sta->mb_ies);
1448 291 : sta->mb_ies = mb_ies_by_info(&info);
1449 : }
1450 : }
1451 291 : }
1452 :
1453 :
1454 1785 : static const u8 * fst_hostapd_get_sta(struct fst_get_peer_ctx **get_ctx,
1455 : Boolean mb_only)
1456 : {
1457 1785 : struct sta_info *s = (struct sta_info *) *get_ctx;
1458 :
1459 1785 : if (mb_only) {
1460 1783 : for (; s && !s->mb_ies; s = s->next)
1461 : ;
1462 : }
1463 :
1464 1785 : if (s) {
1465 1516 : *get_ctx = (struct fst_get_peer_ctx *) s->next;
1466 :
1467 1516 : return s->addr;
1468 : }
1469 :
1470 269 : *get_ctx = NULL;
1471 269 : return NULL;
1472 : }
1473 :
1474 :
1475 1518 : static const u8 * fst_hostapd_get_peer_first(void *ctx,
1476 : struct fst_get_peer_ctx **get_ctx,
1477 : Boolean mb_only)
1478 : {
1479 1518 : struct hostapd_data *hapd = ctx;
1480 :
1481 1518 : *get_ctx = (struct fst_get_peer_ctx *) hapd->sta_list;
1482 :
1483 1518 : return fst_hostapd_get_sta(get_ctx, mb_only);
1484 : }
1485 :
1486 :
1487 267 : static const u8 * fst_hostapd_get_peer_next(void *ctx,
1488 : struct fst_get_peer_ctx **get_ctx,
1489 : Boolean mb_only)
1490 : {
1491 267 : return fst_hostapd_get_sta(get_ctx, mb_only);
1492 : }
1493 :
1494 :
1495 272 : void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
1496 : struct fst_wpa_obj *iface_obj)
1497 : {
1498 272 : iface_obj->ctx = hapd;
1499 272 : iface_obj->get_bssid = fst_hostapd_get_bssid_cb;
1500 272 : iface_obj->get_channel_info = fst_hostapd_get_channel_info_cb;
1501 272 : iface_obj->set_ies = fst_hostapd_set_ies_cb;
1502 272 : iface_obj->send_action = fst_hostapd_send_action_cb;
1503 272 : iface_obj->get_mb_ie = fst_hostapd_get_mb_ie_cb;
1504 272 : iface_obj->update_mb_ie = fst_hostapd_update_mb_ie_cb;
1505 272 : iface_obj->get_peer_first = fst_hostapd_get_peer_first;
1506 272 : iface_obj->get_peer_next = fst_hostapd_get_peer_next;
1507 272 : }
1508 :
1509 : #endif /* CONFIG_FST */
1510 :
1511 :
1512 : /**
1513 : * hostapd_setup_interface_complete - Complete interface setup
1514 : *
1515 : * This function is called when previous steps in the interface setup has been
1516 : * completed. This can also start operations, e.g., DFS, that will require
1517 : * additional processing before interface is ready to be enabled. Such
1518 : * operations will call this function from eloop callbacks when finished.
1519 : */
1520 2026 : int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
1521 : {
1522 2026 : struct hostapd_data *hapd = iface->bss[0];
1523 : size_t j;
1524 : u8 *prev_addr;
1525 2026 : int delay_apply_cfg = 0;
1526 2026 : int res_dfs_offload = 0;
1527 :
1528 2026 : if (err)
1529 1 : goto fail;
1530 :
1531 2025 : wpa_printf(MSG_DEBUG, "Completing interface initialization");
1532 2025 : if (iface->conf->channel) {
1533 : #ifdef NEED_AP_MLME
1534 : int res;
1535 : #endif /* NEED_AP_MLME */
1536 :
1537 2013 : iface->freq = hostapd_hw_get_freq(hapd, iface->conf->channel);
1538 6039 : wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d "
1539 : "Frequency: %d MHz",
1540 2013 : hostapd_hw_mode_txt(iface->conf->hw_mode),
1541 2013 : iface->conf->channel, iface->freq);
1542 :
1543 : #ifdef NEED_AP_MLME
1544 : /* Handle DFS only if it is not offloaded to the driver */
1545 2013 : if (!(iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) {
1546 : /* Check DFS */
1547 2013 : res = hostapd_handle_dfs(iface);
1548 2013 : if (res <= 0) {
1549 13 : if (res < 0)
1550 1 : goto fail;
1551 12 : return res;
1552 : }
1553 : } else {
1554 : /* If DFS is offloaded to the driver */
1555 0 : res_dfs_offload = hostapd_handle_dfs_offload(iface);
1556 0 : if (res_dfs_offload <= 0) {
1557 0 : if (res_dfs_offload < 0)
1558 0 : goto fail;
1559 : } else {
1560 0 : wpa_printf(MSG_DEBUG,
1561 : "Proceed with AP/channel setup");
1562 : /*
1563 : * If this is a DFS channel, move to completing
1564 : * AP setup.
1565 : */
1566 0 : if (res_dfs_offload == 1)
1567 0 : goto dfs_offload;
1568 : /* Otherwise fall through. */
1569 : }
1570 : }
1571 : #endif /* NEED_AP_MLME */
1572 :
1573 : #ifdef CONFIG_MESH
1574 373 : if (iface->mconf != NULL) {
1575 35 : wpa_printf(MSG_DEBUG,
1576 : "%s: Mesh configuration will be applied while joining the mesh network",
1577 35 : iface->bss[0]->conf->iface);
1578 35 : delay_apply_cfg = 1;
1579 : }
1580 : #endif /* CONFIG_MESH */
1581 :
1582 3965 : if (!delay_apply_cfg &&
1583 13755 : hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
1584 1965 : hapd->iconf->channel,
1585 1965 : hapd->iconf->ieee80211n,
1586 1965 : hapd->iconf->ieee80211ac,
1587 1965 : hapd->iconf->secondary_channel,
1588 1965 : hapd->iconf->vht_oper_chwidth,
1589 1965 : hapd->iconf->vht_oper_centr_freq_seg0_idx,
1590 1965 : hapd->iconf->vht_oper_centr_freq_seg1_idx)) {
1591 0 : wpa_printf(MSG_ERROR, "Could not set channel for "
1592 : "kernel driver");
1593 0 : goto fail;
1594 : }
1595 : }
1596 :
1597 2012 : if (iface->current_mode) {
1598 2000 : if (hostapd_prepare_rates(iface, iface->current_mode)) {
1599 0 : wpa_printf(MSG_ERROR, "Failed to prepare rates "
1600 : "table.");
1601 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1602 : HOSTAPD_LEVEL_WARNING,
1603 : "Failed to prepare rates table.");
1604 0 : goto fail;
1605 : }
1606 : }
1607 :
1608 2013 : if (hapd->iconf->rts_threshold > -1 &&
1609 1 : hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
1610 0 : wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
1611 : "kernel driver");
1612 0 : goto fail;
1613 : }
1614 :
1615 2015 : if (hapd->iconf->fragm_threshold > -1 &&
1616 3 : hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
1617 0 : wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
1618 : "for kernel driver");
1619 0 : goto fail;
1620 : }
1621 :
1622 2012 : prev_addr = hapd->own_addr;
1623 :
1624 4021 : for (j = 0; j < iface->num_bss; j++) {
1625 2021 : hapd = iface->bss[j];
1626 2021 : if (j)
1627 9 : os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
1628 2021 : if (hostapd_setup_bss(hapd, j == 0)) {
1629 : do {
1630 12 : hapd = iface->bss[j];
1631 12 : hostapd_bss_deinit_no_free(hapd);
1632 12 : hostapd_free_hapd_data(hapd);
1633 12 : } while (j-- > 0);
1634 12 : goto fail;
1635 : }
1636 2009 : if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
1637 1954 : prev_addr = hapd->own_addr;
1638 : }
1639 2000 : hapd = iface->bss[0];
1640 :
1641 2000 : hostapd_tx_queue_params(iface);
1642 :
1643 2000 : ap_list_init(iface);
1644 2000 : dl_list_init(&iface->sta_seen);
1645 :
1646 2000 : hostapd_set_acl(hapd);
1647 :
1648 2000 : if (hostapd_driver_commit(hapd) < 0) {
1649 0 : wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
1650 : "configuration", __func__);
1651 0 : goto fail;
1652 : }
1653 :
1654 : /*
1655 : * WPS UPnP module can be initialized only when the "upnp_iface" is up.
1656 : * If "interface" and "upnp_iface" are the same (e.g., non-bridge
1657 : * mode), the interface is up only after driver_commit, so initialize
1658 : * WPS after driver_commit.
1659 : */
1660 4007 : for (j = 0; j < iface->num_bss; j++) {
1661 2009 : if (hostapd_init_wps_complete(iface->bss[j]))
1662 2 : goto fail;
1663 : }
1664 :
1665 1998 : if ((iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
1666 : !res_dfs_offload) {
1667 : /*
1668 : * If freq is DFS, and DFS is offloaded to the driver, then wait
1669 : * for CAC to complete.
1670 : */
1671 0 : wpa_printf(MSG_DEBUG, "%s: Wait for CAC to complete", __func__);
1672 0 : return res_dfs_offload;
1673 : }
1674 :
1675 : #ifdef NEED_AP_MLME
1676 : dfs_offload:
1677 : #endif /* NEED_AP_MLME */
1678 :
1679 : #ifdef CONFIG_FST
1680 1998 : if (hapd->iconf->fst_cfg.group_id[0]) {
1681 : struct fst_wpa_obj iface_obj;
1682 :
1683 7 : fst_hostapd_fill_iface_obj(hapd, &iface_obj);
1684 7 : iface->fst = fst_attach(hapd->conf->iface, hapd->own_addr,
1685 7 : &iface_obj, &hapd->iconf->fst_cfg);
1686 7 : if (!iface->fst) {
1687 0 : wpa_printf(MSG_ERROR, "Could not attach to FST %s",
1688 0 : hapd->iconf->fst_cfg.group_id);
1689 0 : goto fail;
1690 : }
1691 : }
1692 : #endif /* CONFIG_FST */
1693 :
1694 1998 : hostapd_set_state(iface, HAPD_IFACE_ENABLED);
1695 1998 : wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_ENABLED);
1696 1998 : if (hapd->setup_complete_cb)
1697 338 : hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
1698 :
1699 1998 : wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
1700 1998 : iface->bss[0]->conf->iface);
1701 1998 : if (iface->interfaces && iface->interfaces->terminate_on_error > 0)
1702 19 : iface->interfaces->terminate_on_error--;
1703 :
1704 1998 : return 0;
1705 :
1706 : fail:
1707 16 : wpa_printf(MSG_ERROR, "Interface initialization failed");
1708 16 : hostapd_set_state(iface, HAPD_IFACE_DISABLED);
1709 16 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
1710 : #ifdef CONFIG_FST
1711 16 : if (iface->fst) {
1712 0 : fst_detach(iface->fst);
1713 0 : iface->fst = NULL;
1714 : }
1715 : #endif /* CONFIG_FST */
1716 16 : if (iface->interfaces && iface->interfaces->terminate_on_error)
1717 0 : eloop_terminate();
1718 16 : return -1;
1719 : }
1720 :
1721 :
1722 : /**
1723 : * hostapd_setup_interface - Setup of an interface
1724 : * @iface: Pointer to interface data.
1725 : * Returns: 0 on success, -1 on failure
1726 : *
1727 : * Initializes the driver interface, validates the configuration,
1728 : * and sets driver parameters based on the configuration.
1729 : * Flushes old stations, sets the channel, encryption,
1730 : * beacons, and WDS links based on the configuration.
1731 : *
1732 : * If interface setup requires more time, e.g., to perform HT co-ex scans, ACS,
1733 : * or DFS operations, this function returns 0 before such operations have been
1734 : * completed. The pending operations are registered into eloop and will be
1735 : * completed from eloop callbacks. Those callbacks end up calling
1736 : * hostapd_setup_interface_complete() once setup has been completed.
1737 : */
1738 2023 : int hostapd_setup_interface(struct hostapd_iface *iface)
1739 : {
1740 : int ret;
1741 :
1742 2023 : ret = setup_interface(iface);
1743 2023 : if (ret) {
1744 17 : wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
1745 17 : iface->bss[0]->conf->iface);
1746 17 : return -1;
1747 : }
1748 :
1749 2006 : return 0;
1750 : }
1751 :
1752 :
1753 : /**
1754 : * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
1755 : * @hapd_iface: Pointer to interface data
1756 : * @conf: Pointer to per-interface configuration
1757 : * @bss: Pointer to per-BSS configuration for this BSS
1758 : * Returns: Pointer to allocated BSS data
1759 : *
1760 : * This function is used to allocate per-BSS data structure. This data will be
1761 : * freed after hostapd_cleanup() is called for it during interface
1762 : * deinitialization.
1763 : */
1764 : struct hostapd_data *
1765 2092 : hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
1766 : struct hostapd_config *conf,
1767 : struct hostapd_bss_config *bss)
1768 : {
1769 : struct hostapd_data *hapd;
1770 :
1771 2092 : hapd = os_zalloc(sizeof(*hapd));
1772 2092 : if (hapd == NULL)
1773 4 : return NULL;
1774 :
1775 2088 : hapd->new_assoc_sta_cb = hostapd_new_assoc_sta;
1776 2088 : hapd->iconf = conf;
1777 2088 : hapd->conf = bss;
1778 2088 : hapd->iface = hapd_iface;
1779 2088 : hapd->driver = hapd->iconf->driver;
1780 2088 : hapd->ctrl_sock = -1;
1781 :
1782 2088 : return hapd;
1783 : }
1784 :
1785 :
1786 2115 : static void hostapd_bss_deinit(struct hostapd_data *hapd)
1787 : {
1788 2115 : wpa_printf(MSG_DEBUG, "%s: deinit bss %s", __func__,
1789 2115 : hapd->conf->iface);
1790 2115 : hostapd_bss_deinit_no_free(hapd);
1791 2115 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
1792 2115 : hostapd_cleanup(hapd);
1793 2115 : }
1794 :
1795 :
1796 2072 : void hostapd_interface_deinit(struct hostapd_iface *iface)
1797 : {
1798 : int j;
1799 :
1800 2072 : wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
1801 2072 : if (iface == NULL)
1802 2072 : return;
1803 :
1804 2072 : hostapd_set_state(iface, HAPD_IFACE_DISABLED);
1805 :
1806 : #ifdef CONFIG_IEEE80211N
1807 : #ifdef NEED_AP_MLME
1808 2072 : hostapd_stop_setup_timers(iface);
1809 2072 : eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
1810 : #endif /* NEED_AP_MLME */
1811 : #endif /* CONFIG_IEEE80211N */
1812 2072 : eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
1813 2072 : iface->wait_channel_update = 0;
1814 :
1815 : #ifdef CONFIG_FST
1816 2072 : if (iface->fst) {
1817 15 : fst_detach(iface->fst);
1818 15 : iface->fst = NULL;
1819 : }
1820 : #endif /* CONFIG_FST */
1821 :
1822 4149 : for (j = iface->num_bss - 1; j >= 0; j--)
1823 2077 : hostapd_bss_deinit(iface->bss[j]);
1824 : }
1825 :
1826 :
1827 2072 : void hostapd_interface_free(struct hostapd_iface *iface)
1828 : {
1829 : size_t j;
1830 2072 : wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
1831 4149 : for (j = 0; j < iface->num_bss; j++) {
1832 2077 : wpa_printf(MSG_DEBUG, "%s: free hapd %p",
1833 2077 : __func__, iface->bss[j]);
1834 2077 : os_free(iface->bss[j]);
1835 : }
1836 2072 : hostapd_cleanup_iface(iface);
1837 2072 : }
1838 :
1839 :
1840 : /**
1841 : * hostapd_init - Allocate and initialize per-interface data
1842 : * @config_file: Path to the configuration file
1843 : * Returns: Pointer to the allocated interface data or %NULL on failure
1844 : *
1845 : * This function is used to allocate main data structures for per-interface
1846 : * data. The allocated data buffer will be freed by calling
1847 : * hostapd_cleanup_iface().
1848 : */
1849 54 : struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
1850 : const char *config_file)
1851 : {
1852 54 : struct hostapd_iface *hapd_iface = NULL;
1853 54 : struct hostapd_config *conf = NULL;
1854 : struct hostapd_data *hapd;
1855 : size_t i;
1856 :
1857 54 : hapd_iface = os_zalloc(sizeof(*hapd_iface));
1858 54 : if (hapd_iface == NULL)
1859 2 : goto fail;
1860 :
1861 52 : hapd_iface->config_fname = os_strdup(config_file);
1862 52 : if (hapd_iface->config_fname == NULL)
1863 1 : goto fail;
1864 :
1865 51 : conf = interfaces->config_read_cb(hapd_iface->config_fname);
1866 51 : if (conf == NULL)
1867 9 : goto fail;
1868 42 : hapd_iface->conf = conf;
1869 :
1870 42 : hapd_iface->num_bss = conf->num_bss;
1871 42 : hapd_iface->bss = os_calloc(conf->num_bss,
1872 : sizeof(struct hostapd_data *));
1873 42 : if (hapd_iface->bss == NULL)
1874 0 : goto fail;
1875 :
1876 84 : for (i = 0; i < conf->num_bss; i++) {
1877 84 : hapd = hapd_iface->bss[i] =
1878 42 : hostapd_alloc_bss_data(hapd_iface, conf,
1879 42 : conf->bss[i]);
1880 42 : if (hapd == NULL)
1881 0 : goto fail;
1882 42 : hapd->msg_ctx = hapd;
1883 : }
1884 :
1885 42 : return hapd_iface;
1886 :
1887 : fail:
1888 12 : wpa_printf(MSG_ERROR, "Failed to set up interface with %s",
1889 : config_file);
1890 12 : if (conf)
1891 0 : hostapd_config_free(conf);
1892 12 : if (hapd_iface) {
1893 10 : os_free(hapd_iface->config_fname);
1894 10 : os_free(hapd_iface->bss);
1895 10 : wpa_printf(MSG_DEBUG, "%s: free iface %p",
1896 : __func__, hapd_iface);
1897 10 : os_free(hapd_iface);
1898 : }
1899 12 : return NULL;
1900 : }
1901 :
1902 :
1903 38 : static int ifname_in_use(struct hapd_interfaces *interfaces, const char *ifname)
1904 : {
1905 : size_t i, j;
1906 :
1907 77 : for (i = 0; i < interfaces->count; i++) {
1908 40 : struct hostapd_iface *iface = interfaces->iface[i];
1909 208 : for (j = 0; j < iface->num_bss; j++) {
1910 169 : struct hostapd_data *hapd = iface->bss[j];
1911 169 : if (os_strcmp(ifname, hapd->conf->iface) == 0)
1912 1 : return 1;
1913 : }
1914 : }
1915 :
1916 37 : return 0;
1917 : }
1918 :
1919 :
1920 : /**
1921 : * hostapd_interface_init_bss - Read configuration file and init BSS data
1922 : *
1923 : * This function is used to parse configuration file for a BSS. This BSS is
1924 : * added to an existing interface sharing the same radio (if any) or a new
1925 : * interface is created if this is the first interface on a radio. This
1926 : * allocate memory for the BSS. No actual driver operations are started.
1927 : *
1928 : * This is similar to hostapd_interface_init(), but for a case where the
1929 : * configuration is used to add a single BSS instead of all BSSes for a radio.
1930 : */
1931 : struct hostapd_iface *
1932 56 : hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
1933 : const char *config_fname, int debug)
1934 : {
1935 56 : struct hostapd_iface *new_iface = NULL, *iface = NULL;
1936 : struct hostapd_data *hapd;
1937 : int k;
1938 : size_t i, bss_idx;
1939 :
1940 56 : if (!phy || !*phy)
1941 0 : return NULL;
1942 :
1943 64 : for (i = 0; i < interfaces->count; i++) {
1944 47 : if (os_strcmp(interfaces->iface[i]->phy, phy) == 0) {
1945 39 : iface = interfaces->iface[i];
1946 39 : break;
1947 : }
1948 : }
1949 :
1950 56 : wpa_printf(MSG_INFO, "Configuration file: %s (phy %s)%s",
1951 : config_fname, phy, iface ? "" : " --> new PHY");
1952 56 : if (iface) {
1953 : struct hostapd_config *conf;
1954 : struct hostapd_bss_config **tmp_conf;
1955 : struct hostapd_data **tmp_bss;
1956 : struct hostapd_bss_config *bss;
1957 : const char *ifname;
1958 :
1959 : /* Add new BSS to existing iface */
1960 39 : conf = interfaces->config_read_cb(config_fname);
1961 39 : if (conf == NULL)
1962 1 : return NULL;
1963 38 : if (conf->num_bss > 1) {
1964 0 : wpa_printf(MSG_ERROR, "Multiple BSSes specified in BSS-config");
1965 0 : hostapd_config_free(conf);
1966 0 : return NULL;
1967 : }
1968 :
1969 38 : ifname = conf->bss[0]->iface;
1970 38 : if (ifname[0] != '\0' && ifname_in_use(interfaces, ifname)) {
1971 1 : wpa_printf(MSG_ERROR,
1972 : "Interface name %s already in use", ifname);
1973 1 : hostapd_config_free(conf);
1974 1 : return NULL;
1975 : }
1976 :
1977 74 : tmp_conf = os_realloc_array(
1978 74 : iface->conf->bss, iface->conf->num_bss + 1,
1979 : sizeof(struct hostapd_bss_config *));
1980 37 : tmp_bss = os_realloc_array(iface->bss, iface->num_bss + 1,
1981 : sizeof(struct hostapd_data *));
1982 37 : if (tmp_bss)
1983 37 : iface->bss = tmp_bss;
1984 37 : if (tmp_conf) {
1985 37 : iface->conf->bss = tmp_conf;
1986 37 : iface->conf->last_bss = tmp_conf[0];
1987 : }
1988 37 : if (tmp_bss == NULL || tmp_conf == NULL) {
1989 0 : hostapd_config_free(conf);
1990 0 : return NULL;
1991 : }
1992 37 : bss = iface->conf->bss[iface->conf->num_bss] = conf->bss[0];
1993 37 : iface->conf->num_bss++;
1994 :
1995 37 : hapd = hostapd_alloc_bss_data(iface, iface->conf, bss);
1996 37 : if (hapd == NULL) {
1997 0 : iface->conf->num_bss--;
1998 0 : hostapd_config_free(conf);
1999 0 : return NULL;
2000 : }
2001 37 : iface->conf->last_bss = bss;
2002 37 : iface->bss[iface->num_bss] = hapd;
2003 37 : hapd->msg_ctx = hapd;
2004 :
2005 37 : bss_idx = iface->num_bss++;
2006 37 : conf->num_bss--;
2007 37 : conf->bss[0] = NULL;
2008 37 : hostapd_config_free(conf);
2009 : } else {
2010 : /* Add a new iface with the first BSS */
2011 17 : new_iface = iface = hostapd_init(interfaces, config_fname);
2012 17 : if (!iface)
2013 3 : return NULL;
2014 14 : os_strlcpy(iface->phy, phy, sizeof(iface->phy));
2015 14 : iface->interfaces = interfaces;
2016 14 : bss_idx = 0;
2017 : }
2018 :
2019 51 : for (k = 0; k < debug; k++) {
2020 0 : if (iface->bss[bss_idx]->conf->logger_stdout_level > 0)
2021 0 : iface->bss[bss_idx]->conf->logger_stdout_level--;
2022 : }
2023 :
2024 51 : if (iface->conf->bss[bss_idx]->iface[0] == '\0' &&
2025 0 : !hostapd_drv_none(iface->bss[bss_idx])) {
2026 0 : wpa_printf(MSG_ERROR, "Interface name not specified in %s",
2027 : config_fname);
2028 0 : if (new_iface)
2029 0 : hostapd_interface_deinit_free(new_iface);
2030 0 : return NULL;
2031 : }
2032 :
2033 51 : return iface;
2034 : }
2035 :
2036 :
2037 1699 : void hostapd_interface_deinit_free(struct hostapd_iface *iface)
2038 : {
2039 : const struct wpa_driver_ops *driver;
2040 : void *drv_priv;
2041 :
2042 1699 : wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
2043 1699 : if (iface == NULL)
2044 1699 : return;
2045 3398 : wpa_printf(MSG_DEBUG, "%s: num_bss=%u conf->num_bss=%u",
2046 1699 : __func__, (unsigned int) iface->num_bss,
2047 1699 : (unsigned int) iface->conf->num_bss);
2048 1699 : driver = iface->bss[0]->driver;
2049 1699 : drv_priv = iface->bss[0]->drv_priv;
2050 1699 : hostapd_interface_deinit(iface);
2051 1699 : wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
2052 : __func__, driver, drv_priv);
2053 1699 : if (driver && driver->hapd_deinit && drv_priv) {
2054 1504 : driver->hapd_deinit(drv_priv);
2055 1504 : iface->bss[0]->drv_priv = NULL;
2056 : }
2057 1699 : hostapd_interface_free(iface);
2058 : }
2059 :
2060 :
2061 146 : static void hostapd_deinit_driver(const struct wpa_driver_ops *driver,
2062 : void *drv_priv,
2063 : struct hostapd_iface *hapd_iface)
2064 : {
2065 : size_t j;
2066 :
2067 146 : wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
2068 : __func__, driver, drv_priv);
2069 146 : if (driver && driver->hapd_deinit && drv_priv) {
2070 146 : driver->hapd_deinit(drv_priv);
2071 295 : for (j = 0; j < hapd_iface->num_bss; j++) {
2072 149 : wpa_printf(MSG_DEBUG, "%s:bss[%d]->drv_priv=%p",
2073 : __func__, (int) j,
2074 149 : hapd_iface->bss[j]->drv_priv);
2075 149 : if (hapd_iface->bss[j]->drv_priv == drv_priv)
2076 146 : hapd_iface->bss[j]->drv_priv = NULL;
2077 : }
2078 : }
2079 146 : }
2080 :
2081 :
2082 1642 : int hostapd_enable_iface(struct hostapd_iface *hapd_iface)
2083 : {
2084 : size_t j;
2085 :
2086 1642 : if (hapd_iface->bss[0]->drv_priv != NULL) {
2087 0 : wpa_printf(MSG_ERROR, "Interface %s already enabled",
2088 0 : hapd_iface->conf->bss[0]->iface);
2089 0 : return -1;
2090 : }
2091 :
2092 1642 : wpa_printf(MSG_DEBUG, "Enable interface %s",
2093 1642 : hapd_iface->conf->bss[0]->iface);
2094 :
2095 3292 : for (j = 0; j < hapd_iface->num_bss; j++)
2096 1650 : hostapd_set_security_params(hapd_iface->conf->bss[j], 1);
2097 1642 : if (hostapd_config_check(hapd_iface->conf, 1) < 0) {
2098 8 : wpa_printf(MSG_INFO, "Invalid configuration - cannot enable");
2099 8 : return -1;
2100 : }
2101 :
2102 3268 : if (hapd_iface->interfaces == NULL ||
2103 3268 : hapd_iface->interfaces->driver_init == NULL ||
2104 1634 : hapd_iface->interfaces->driver_init(hapd_iface))
2105 17 : return -1;
2106 :
2107 1617 : if (hostapd_setup_interface(hapd_iface)) {
2108 16 : hostapd_deinit_driver(hapd_iface->bss[0]->driver,
2109 16 : hapd_iface->bss[0]->drv_priv,
2110 : hapd_iface);
2111 16 : return -1;
2112 : }
2113 :
2114 1601 : return 0;
2115 : }
2116 :
2117 :
2118 2 : int hostapd_reload_iface(struct hostapd_iface *hapd_iface)
2119 : {
2120 : size_t j;
2121 :
2122 2 : wpa_printf(MSG_DEBUG, "Reload interface %s",
2123 2 : hapd_iface->conf->bss[0]->iface);
2124 4 : for (j = 0; j < hapd_iface->num_bss; j++)
2125 2 : hostapd_set_security_params(hapd_iface->conf->bss[j], 1);
2126 2 : if (hostapd_config_check(hapd_iface->conf, 1) < 0) {
2127 0 : wpa_printf(MSG_ERROR, "Updated configuration is invalid");
2128 0 : return -1;
2129 : }
2130 2 : hostapd_clear_old(hapd_iface);
2131 4 : for (j = 0; j < hapd_iface->num_bss; j++)
2132 2 : hostapd_reload_bss(hapd_iface->bss[j]);
2133 :
2134 2 : return 0;
2135 : }
2136 :
2137 :
2138 135 : int hostapd_disable_iface(struct hostapd_iface *hapd_iface)
2139 : {
2140 : size_t j;
2141 : const struct wpa_driver_ops *driver;
2142 : void *drv_priv;
2143 :
2144 135 : if (hapd_iface == NULL)
2145 0 : return -1;
2146 :
2147 135 : if (hapd_iface->bss[0]->drv_priv == NULL) {
2148 6 : wpa_printf(MSG_INFO, "Interface %s already disabled",
2149 6 : hapd_iface->conf->bss[0]->iface);
2150 6 : return -1;
2151 : }
2152 :
2153 129 : wpa_msg(hapd_iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
2154 129 : driver = hapd_iface->bss[0]->driver;
2155 129 : drv_priv = hapd_iface->bss[0]->drv_priv;
2156 :
2157 129 : hapd_iface->driver_ap_teardown =
2158 129 : !!(hapd_iface->drv_flags &
2159 : WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
2160 :
2161 : /* same as hostapd_interface_deinit without deinitializing ctrl-iface */
2162 261 : for (j = 0; j < hapd_iface->num_bss; j++) {
2163 132 : struct hostapd_data *hapd = hapd_iface->bss[j];
2164 132 : hostapd_bss_deinit_no_free(hapd);
2165 132 : hostapd_free_hapd_data(hapd);
2166 : }
2167 :
2168 129 : hostapd_deinit_driver(driver, drv_priv, hapd_iface);
2169 :
2170 : /* From hostapd_cleanup_iface: These were initialized in
2171 : * hostapd_setup_interface and hostapd_setup_interface_complete
2172 : */
2173 129 : hostapd_cleanup_iface_partial(hapd_iface);
2174 :
2175 129 : wpa_printf(MSG_DEBUG, "Interface %s disabled",
2176 129 : hapd_iface->bss[0]->conf->iface);
2177 129 : hostapd_set_state(hapd_iface, HAPD_IFACE_DISABLED);
2178 129 : return 0;
2179 : }
2180 :
2181 :
2182 : static struct hostapd_iface *
2183 1699 : hostapd_iface_alloc(struct hapd_interfaces *interfaces)
2184 : {
2185 : struct hostapd_iface **iface, *hapd_iface;
2186 :
2187 1699 : iface = os_realloc_array(interfaces->iface, interfaces->count + 1,
2188 : sizeof(struct hostapd_iface *));
2189 1699 : if (iface == NULL)
2190 4 : return NULL;
2191 1695 : interfaces->iface = iface;
2192 3390 : hapd_iface = interfaces->iface[interfaces->count] =
2193 1695 : os_zalloc(sizeof(*hapd_iface));
2194 1695 : if (hapd_iface == NULL) {
2195 4 : wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
2196 : "the interface", __func__);
2197 4 : return NULL;
2198 : }
2199 1691 : interfaces->count++;
2200 1691 : hapd_iface->interfaces = interfaces;
2201 :
2202 1691 : return hapd_iface;
2203 : }
2204 :
2205 :
2206 : static struct hostapd_config *
2207 1687 : hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname,
2208 : const char *ctrl_iface, const char *driver)
2209 : {
2210 : struct hostapd_bss_config *bss;
2211 : struct hostapd_config *conf;
2212 :
2213 : /* Allocates memory for bss and conf */
2214 1687 : conf = hostapd_config_defaults();
2215 1687 : if (conf == NULL) {
2216 17 : wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
2217 : "configuration", __func__);
2218 17 : return NULL;
2219 : }
2220 :
2221 1670 : if (driver) {
2222 : int j;
2223 :
2224 1 : for (j = 0; wpa_drivers[j]; j++) {
2225 1 : if (os_strcmp(driver, wpa_drivers[j]->name) == 0) {
2226 1 : conf->driver = wpa_drivers[j];
2227 1 : goto skip;
2228 : }
2229 : }
2230 :
2231 0 : wpa_printf(MSG_ERROR,
2232 : "Invalid/unknown driver '%s' - registering the default driver",
2233 : driver);
2234 : }
2235 :
2236 1669 : conf->driver = wpa_drivers[0];
2237 1669 : if (conf->driver == NULL) {
2238 0 : wpa_printf(MSG_ERROR, "No driver wrappers registered!");
2239 0 : hostapd_config_free(conf);
2240 0 : return NULL;
2241 : }
2242 :
2243 : skip:
2244 1670 : bss = conf->last_bss = conf->bss[0];
2245 :
2246 1670 : os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
2247 1670 : bss->ctrl_interface = os_strdup(ctrl_iface);
2248 1670 : if (bss->ctrl_interface == NULL) {
2249 3 : hostapd_config_free(conf);
2250 3 : return NULL;
2251 : }
2252 :
2253 : /* Reading configuration file skipped, will be done in SET!
2254 : * From reading the configuration till the end has to be done in
2255 : * SET
2256 : */
2257 1667 : return conf;
2258 : }
2259 :
2260 :
2261 1671 : static int hostapd_data_alloc(struct hostapd_iface *hapd_iface,
2262 : struct hostapd_config *conf)
2263 : {
2264 : size_t i;
2265 : struct hostapd_data *hapd;
2266 :
2267 1671 : hapd_iface->bss = os_calloc(conf->num_bss,
2268 : sizeof(struct hostapd_data *));
2269 1671 : if (hapd_iface->bss == NULL)
2270 3 : return -1;
2271 :
2272 3339 : for (i = 0; i < conf->num_bss; i++) {
2273 3350 : hapd = hapd_iface->bss[i] =
2274 1675 : hostapd_alloc_bss_data(hapd_iface, conf, conf->bss[i]);
2275 1675 : if (hapd == NULL) {
2276 8 : while (i > 0) {
2277 0 : i--;
2278 0 : os_free(hapd_iface->bss[i]);
2279 0 : hapd_iface->bss[i] = NULL;
2280 : }
2281 4 : os_free(hapd_iface->bss);
2282 4 : hapd_iface->bss = NULL;
2283 4 : return -1;
2284 : }
2285 1671 : hapd->msg_ctx = hapd;
2286 : }
2287 :
2288 1664 : hapd_iface->conf = conf;
2289 1664 : hapd_iface->num_bss = conf->num_bss;
2290 :
2291 1664 : return 0;
2292 : }
2293 :
2294 :
2295 1755 : int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf)
2296 : {
2297 1755 : struct hostapd_config *conf = NULL;
2298 1755 : struct hostapd_iface *hapd_iface = NULL, *new_iface = NULL;
2299 : struct hostapd_data *hapd;
2300 : char *ptr;
2301 : size_t i, j;
2302 1755 : const char *conf_file = NULL, *phy_name = NULL;
2303 :
2304 1755 : if (os_strncmp(buf, "bss_config=", 11) == 0) {
2305 : char *pos;
2306 56 : phy_name = buf + 11;
2307 56 : pos = os_strchr(phy_name, ':');
2308 56 : if (!pos)
2309 0 : return -1;
2310 56 : *pos++ = '\0';
2311 56 : conf_file = pos;
2312 56 : if (!os_strlen(conf_file))
2313 0 : return -1;
2314 :
2315 56 : hapd_iface = hostapd_interface_init_bss(interfaces, phy_name,
2316 : conf_file, 0);
2317 56 : if (!hapd_iface)
2318 5 : return -1;
2319 55 : for (j = 0; j < interfaces->count; j++) {
2320 41 : if (interfaces->iface[j] == hapd_iface)
2321 37 : break;
2322 : }
2323 51 : if (j == interfaces->count) {
2324 : struct hostapd_iface **tmp;
2325 14 : tmp = os_realloc_array(interfaces->iface,
2326 14 : interfaces->count + 1,
2327 : sizeof(struct hostapd_iface *));
2328 14 : if (!tmp) {
2329 0 : hostapd_interface_deinit_free(hapd_iface);
2330 0 : return -1;
2331 : }
2332 14 : interfaces->iface = tmp;
2333 14 : interfaces->iface[interfaces->count++] = hapd_iface;
2334 14 : new_iface = hapd_iface;
2335 : }
2336 :
2337 51 : if (new_iface) {
2338 14 : if (interfaces->driver_init(hapd_iface))
2339 0 : goto fail;
2340 :
2341 14 : if (hostapd_setup_interface(hapd_iface)) {
2342 2 : hostapd_deinit_driver(
2343 1 : hapd_iface->bss[0]->driver,
2344 1 : hapd_iface->bss[0]->drv_priv,
2345 : hapd_iface);
2346 1 : goto fail;
2347 : }
2348 : } else {
2349 : /* Assign new BSS with bss[0]'s driver info */
2350 37 : hapd = hapd_iface->bss[hapd_iface->num_bss - 1];
2351 37 : hapd->driver = hapd_iface->bss[0]->driver;
2352 37 : hapd->drv_priv = hapd_iface->bss[0]->drv_priv;
2353 37 : os_memcpy(hapd->own_addr, hapd_iface->bss[0]->own_addr,
2354 : ETH_ALEN);
2355 :
2356 74 : if (start_ctrl_iface_bss(hapd) < 0 ||
2357 71 : (hapd_iface->state == HAPD_IFACE_ENABLED &&
2358 34 : hostapd_setup_bss(hapd, -1))) {
2359 1 : hostapd_cleanup(hapd);
2360 1 : hapd_iface->bss[hapd_iface->num_bss - 1] = NULL;
2361 1 : hapd_iface->conf->num_bss--;
2362 1 : hapd_iface->num_bss--;
2363 1 : wpa_printf(MSG_DEBUG, "%s: free hapd %p %s",
2364 1 : __func__, hapd, hapd->conf->iface);
2365 1 : hostapd_config_free_bss(hapd->conf);
2366 1 : hapd->conf = NULL;
2367 1 : os_free(hapd);
2368 1 : return -1;
2369 : }
2370 : }
2371 49 : return 0;
2372 : }
2373 :
2374 1699 : ptr = os_strchr(buf, ' ');
2375 1699 : if (ptr == NULL)
2376 0 : return -1;
2377 1699 : *ptr++ = '\0';
2378 :
2379 1699 : if (os_strncmp(ptr, "config=", 7) == 0)
2380 4 : conf_file = ptr + 7;
2381 :
2382 2170 : for (i = 0; i < interfaces->count; i++) {
2383 471 : if (!os_strcmp(interfaces->iface[i]->conf->bss[0]->iface,
2384 : buf)) {
2385 0 : wpa_printf(MSG_INFO, "Cannot add interface - it "
2386 : "already exists");
2387 0 : return -1;
2388 : }
2389 : }
2390 :
2391 1699 : hapd_iface = hostapd_iface_alloc(interfaces);
2392 1699 : if (hapd_iface == NULL) {
2393 8 : wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
2394 : "for interface", __func__);
2395 8 : goto fail;
2396 : }
2397 1691 : new_iface = hapd_iface;
2398 :
2399 1691 : if (conf_file && interfaces->config_read_cb) {
2400 4 : conf = interfaces->config_read_cb(conf_file);
2401 8 : if (conf && conf->bss)
2402 4 : os_strlcpy(conf->bss[0]->iface, buf,
2403 : sizeof(conf->bss[0]->iface));
2404 : } else {
2405 1687 : char *driver = os_strchr(ptr, ' ');
2406 :
2407 1687 : if (driver)
2408 1 : *driver++ = '\0';
2409 1687 : conf = hostapd_config_alloc(interfaces, buf, ptr, driver);
2410 : }
2411 :
2412 1691 : if (conf == NULL || conf->bss == NULL) {
2413 20 : wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
2414 : "for configuration", __func__);
2415 20 : goto fail;
2416 : }
2417 :
2418 1671 : if (hostapd_data_alloc(hapd_iface, conf) < 0) {
2419 7 : wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
2420 : "for hostapd", __func__);
2421 7 : goto fail;
2422 : }
2423 1664 : conf = NULL;
2424 :
2425 1664 : if (start_ctrl_iface(hapd_iface) < 0)
2426 6 : goto fail;
2427 :
2428 1658 : wpa_printf(MSG_INFO, "Add interface '%s'",
2429 1658 : hapd_iface->conf->bss[0]->iface);
2430 :
2431 1658 : return 0;
2432 :
2433 : fail:
2434 42 : if (conf)
2435 7 : hostapd_config_free(conf);
2436 42 : if (hapd_iface) {
2437 34 : if (hapd_iface->bss) {
2438 14 : for (i = 0; i < hapd_iface->num_bss; i++) {
2439 7 : hapd = hapd_iface->bss[i];
2440 7 : if (!hapd)
2441 0 : continue;
2442 14 : if (hapd_iface->interfaces &&
2443 7 : hapd_iface->interfaces->ctrl_iface_deinit)
2444 7 : hapd_iface->interfaces->
2445 7 : ctrl_iface_deinit(hapd);
2446 7 : wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
2447 7 : __func__, hapd_iface->bss[i],
2448 7 : hapd->conf->iface);
2449 7 : hostapd_cleanup(hapd);
2450 7 : os_free(hapd);
2451 7 : hapd_iface->bss[i] = NULL;
2452 : }
2453 7 : os_free(hapd_iface->bss);
2454 7 : hapd_iface->bss = NULL;
2455 : }
2456 34 : if (new_iface) {
2457 34 : interfaces->count--;
2458 34 : interfaces->iface[interfaces->count] = NULL;
2459 : }
2460 34 : hostapd_cleanup_iface(hapd_iface);
2461 : }
2462 42 : return -1;
2463 : }
2464 :
2465 :
2466 40 : static int hostapd_remove_bss(struct hostapd_iface *iface, unsigned int idx)
2467 : {
2468 : size_t i;
2469 :
2470 40 : wpa_printf(MSG_INFO, "Remove BSS '%s'", iface->conf->bss[idx]->iface);
2471 :
2472 : /* Remove hostapd_data only if it has already been initialized */
2473 40 : if (idx < iface->num_bss) {
2474 38 : struct hostapd_data *hapd = iface->bss[idx];
2475 :
2476 38 : hostapd_bss_deinit(hapd);
2477 38 : wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
2478 38 : __func__, hapd, hapd->conf->iface);
2479 38 : hostapd_config_free_bss(hapd->conf);
2480 38 : hapd->conf = NULL;
2481 38 : os_free(hapd);
2482 :
2483 38 : iface->num_bss--;
2484 :
2485 161 : for (i = idx; i < iface->num_bss; i++)
2486 123 : iface->bss[i] = iface->bss[i + 1];
2487 : } else {
2488 2 : hostapd_config_free_bss(iface->conf->bss[idx]);
2489 2 : iface->conf->bss[idx] = NULL;
2490 : }
2491 :
2492 40 : iface->conf->num_bss--;
2493 163 : for (i = idx; i < iface->conf->num_bss; i++)
2494 123 : iface->conf->bss[i] = iface->conf->bss[i + 1];
2495 :
2496 40 : return 0;
2497 : }
2498 :
2499 :
2500 8350 : int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf)
2501 : {
2502 : struct hostapd_iface *hapd_iface;
2503 8350 : size_t i, j, k = 0;
2504 :
2505 11804 : for (i = 0; i < interfaces->count; i++) {
2506 5165 : hapd_iface = interfaces->iface[i];
2507 5165 : if (hapd_iface == NULL)
2508 0 : return -1;
2509 5165 : if (!os_strcmp(hapd_iface->conf->bss[0]->iface, buf)) {
2510 1671 : wpa_printf(MSG_INFO, "Remove interface '%s'", buf);
2511 1671 : hapd_iface->driver_ap_teardown =
2512 1671 : !!(hapd_iface->drv_flags &
2513 : WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
2514 :
2515 1671 : hostapd_interface_deinit_free(hapd_iface);
2516 1671 : k = i;
2517 3591 : while (k < (interfaces->count - 1)) {
2518 498 : interfaces->iface[k] =
2519 249 : interfaces->iface[k + 1];
2520 249 : k++;
2521 : }
2522 1671 : interfaces->count--;
2523 1671 : return 0;
2524 : }
2525 :
2526 6999 : for (j = 0; j < hapd_iface->conf->num_bss; j++) {
2527 3545 : if (!os_strcmp(hapd_iface->conf->bss[j]->iface, buf)) {
2528 40 : hapd_iface->driver_ap_teardown =
2529 40 : !(hapd_iface->drv_flags &
2530 : WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
2531 40 : return hostapd_remove_bss(hapd_iface, j);
2532 : }
2533 : }
2534 : }
2535 6639 : return -1;
2536 : }
2537 :
2538 :
2539 : /**
2540 : * hostapd_new_assoc_sta - Notify that a new station associated with the AP
2541 : * @hapd: Pointer to BSS data
2542 : * @sta: Pointer to the associated STA data
2543 : * @reassoc: 1 to indicate this was a re-association; 0 = first association
2544 : *
2545 : * This function will be called whenever a station associates with the AP. It
2546 : * can be called from ieee802_11.c for drivers that export MLME to hostapd and
2547 : * from drv_callbacks.c based on driver events for drivers that take care of
2548 : * management frames (IEEE 802.11 authentication and association) internally.
2549 : */
2550 3307 : void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
2551 : int reassoc)
2552 : {
2553 3307 : if (hapd->tkip_countermeasures) {
2554 0 : hostapd_drv_sta_deauth(hapd, sta->addr,
2555 : WLAN_REASON_MICHAEL_MIC_FAILURE);
2556 3307 : return;
2557 : }
2558 :
2559 3307 : hostapd_prune_associations(hapd, sta->addr);
2560 :
2561 : /* IEEE 802.11F (IAPP) */
2562 3307 : if (hapd->conf->ieee802_11f)
2563 0 : iapp_new_station(hapd->iapp, sta);
2564 :
2565 : #ifdef CONFIG_P2P
2566 435 : if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
2567 40 : sta->no_p2p_set = 1;
2568 40 : hapd->num_sta_no_p2p++;
2569 40 : if (hapd->num_sta_no_p2p == 1)
2570 36 : hostapd_p2p_non_p2p_sta_connected(hapd);
2571 : }
2572 : #endif /* CONFIG_P2P */
2573 :
2574 : /* Start accounting here, if IEEE 802.1X and WPA are not used.
2575 : * IEEE 802.1X/WPA code will start accounting after the station has
2576 : * been authorized. */
2577 3307 : if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen) {
2578 653 : ap_sta_set_authorized(hapd, sta, 1);
2579 653 : os_get_reltime(&sta->connected_time);
2580 653 : accounting_sta_start(hapd, sta);
2581 : }
2582 :
2583 : /* Start IEEE 802.1X authentication process for new stations */
2584 3307 : ieee802_1x_new_station(hapd, sta);
2585 3307 : if (reassoc) {
2586 32 : if (sta->auth_alg != WLAN_AUTH_FT &&
2587 16 : !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
2588 16 : wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
2589 : } else
2590 3291 : wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
2591 :
2592 3307 : if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
2593 23149 : wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
2594 : "for " MACSTR " (%d seconds - ap_max_inactivity)",
2595 19842 : __func__, MAC2STR(sta->addr),
2596 3307 : hapd->conf->ap_max_inactivity);
2597 3307 : eloop_cancel_timeout(ap_handle_timer, hapd, sta);
2598 3307 : eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
2599 : ap_handle_timer, hapd, sta);
2600 : }
2601 : }
2602 :
2603 :
2604 9967 : const char * hostapd_state_text(enum hostapd_iface_state s)
2605 : {
2606 9967 : switch (s) {
2607 : case HAPD_IFACE_UNINITIALIZED:
2608 2073 : return "UNINITIALIZED";
2609 : case HAPD_IFACE_DISABLED:
2610 2369 : return "DISABLED";
2611 : case HAPD_IFACE_COUNTRY_UPDATE:
2612 682 : return "COUNTRY_UPDATE";
2613 : case HAPD_IFACE_ACS:
2614 30 : return "ACS";
2615 : case HAPD_IFACE_HT_SCAN:
2616 127 : return "HT_SCAN";
2617 : case HAPD_IFACE_DFS:
2618 36 : return "DFS";
2619 : case HAPD_IFACE_ENABLED:
2620 4650 : return "ENABLED";
2621 : }
2622 :
2623 0 : return "UNKNOWN";
2624 : }
2625 :
2626 :
2627 4640 : void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s)
2628 : {
2629 9280 : wpa_printf(MSG_INFO, "%s: interface state %s->%s",
2630 4640 : iface->conf->bss[0]->iface, hostapd_state_text(iface->state),
2631 : hostapd_state_text(s));
2632 4640 : iface->state = s;
2633 4640 : }
2634 :
2635 :
2636 : #ifdef NEED_AP_MLME
2637 :
2638 46 : static void free_beacon_data(struct beacon_data *beacon)
2639 : {
2640 46 : os_free(beacon->head);
2641 46 : beacon->head = NULL;
2642 46 : os_free(beacon->tail);
2643 46 : beacon->tail = NULL;
2644 46 : os_free(beacon->probe_resp);
2645 46 : beacon->probe_resp = NULL;
2646 46 : os_free(beacon->beacon_ies);
2647 46 : beacon->beacon_ies = NULL;
2648 46 : os_free(beacon->proberesp_ies);
2649 46 : beacon->proberesp_ies = NULL;
2650 46 : os_free(beacon->assocresp_ies);
2651 46 : beacon->assocresp_ies = NULL;
2652 46 : }
2653 :
2654 :
2655 46 : static int hostapd_build_beacon_data(struct hostapd_data *hapd,
2656 : struct beacon_data *beacon)
2657 : {
2658 : struct wpabuf *beacon_extra, *proberesp_extra, *assocresp_extra;
2659 : struct wpa_driver_ap_params params;
2660 : int ret;
2661 :
2662 46 : os_memset(beacon, 0, sizeof(*beacon));
2663 46 : ret = ieee802_11_build_ap_params(hapd, ¶ms);
2664 46 : if (ret < 0)
2665 0 : return ret;
2666 :
2667 46 : ret = hostapd_build_ap_extra_ies(hapd, &beacon_extra,
2668 : &proberesp_extra,
2669 : &assocresp_extra);
2670 46 : if (ret)
2671 0 : goto free_ap_params;
2672 :
2673 46 : ret = -1;
2674 46 : beacon->head = os_malloc(params.head_len);
2675 46 : if (!beacon->head)
2676 0 : goto free_ap_extra_ies;
2677 :
2678 46 : os_memcpy(beacon->head, params.head, params.head_len);
2679 46 : beacon->head_len = params.head_len;
2680 :
2681 46 : beacon->tail = os_malloc(params.tail_len);
2682 46 : if (!beacon->tail)
2683 0 : goto free_beacon;
2684 :
2685 46 : os_memcpy(beacon->tail, params.tail, params.tail_len);
2686 46 : beacon->tail_len = params.tail_len;
2687 :
2688 46 : if (params.proberesp != NULL) {
2689 0 : beacon->probe_resp = os_malloc(params.proberesp_len);
2690 0 : if (!beacon->probe_resp)
2691 0 : goto free_beacon;
2692 :
2693 0 : os_memcpy(beacon->probe_resp, params.proberesp,
2694 : params.proberesp_len);
2695 0 : beacon->probe_resp_len = params.proberesp_len;
2696 : }
2697 :
2698 : /* copy the extra ies */
2699 46 : if (beacon_extra) {
2700 46 : beacon->beacon_ies = os_malloc(wpabuf_len(beacon_extra));
2701 46 : if (!beacon->beacon_ies)
2702 0 : goto free_beacon;
2703 :
2704 46 : os_memcpy(beacon->beacon_ies,
2705 : beacon_extra->buf, wpabuf_len(beacon_extra));
2706 46 : beacon->beacon_ies_len = wpabuf_len(beacon_extra);
2707 : }
2708 :
2709 46 : if (proberesp_extra) {
2710 46 : beacon->proberesp_ies =
2711 46 : os_malloc(wpabuf_len(proberesp_extra));
2712 46 : if (!beacon->proberesp_ies)
2713 0 : goto free_beacon;
2714 :
2715 46 : os_memcpy(beacon->proberesp_ies, proberesp_extra->buf,
2716 : wpabuf_len(proberesp_extra));
2717 46 : beacon->proberesp_ies_len = wpabuf_len(proberesp_extra);
2718 : }
2719 :
2720 46 : if (assocresp_extra) {
2721 46 : beacon->assocresp_ies =
2722 46 : os_malloc(wpabuf_len(assocresp_extra));
2723 46 : if (!beacon->assocresp_ies)
2724 0 : goto free_beacon;
2725 :
2726 46 : os_memcpy(beacon->assocresp_ies, assocresp_extra->buf,
2727 : wpabuf_len(assocresp_extra));
2728 46 : beacon->assocresp_ies_len = wpabuf_len(assocresp_extra);
2729 : }
2730 :
2731 46 : ret = 0;
2732 : free_beacon:
2733 : /* if the function fails, the caller should not free beacon data */
2734 46 : if (ret)
2735 0 : free_beacon_data(beacon);
2736 :
2737 : free_ap_extra_ies:
2738 46 : hostapd_free_ap_extra_ies(hapd, beacon_extra, proberesp_extra,
2739 : assocresp_extra);
2740 : free_ap_params:
2741 46 : ieee802_11_free_ap_params(¶ms);
2742 46 : return ret;
2743 : }
2744 :
2745 :
2746 : /*
2747 : * TODO: This flow currently supports only changing frequency within the
2748 : * same hw_mode. Any other changes to MAC parameters or provided settings (even
2749 : * width) are not supported.
2750 : */
2751 46 : static int hostapd_change_config_freq(struct hostapd_data *hapd,
2752 : struct hostapd_config *conf,
2753 : struct hostapd_freq_params *params,
2754 : struct hostapd_freq_params *old_params)
2755 : {
2756 : int channel;
2757 :
2758 46 : if (!params->channel) {
2759 : /* check if the new channel is supported by hw */
2760 21 : params->channel = hostapd_hw_get_channel(hapd, params->freq);
2761 : }
2762 :
2763 46 : channel = params->channel;
2764 46 : if (!channel)
2765 0 : return -1;
2766 :
2767 : /* if a pointer to old_params is provided we save previous state */
2768 46 : if (old_params) {
2769 23 : old_params->channel = conf->channel;
2770 23 : old_params->ht_enabled = conf->ieee80211n;
2771 23 : old_params->sec_channel_offset = conf->secondary_channel;
2772 : }
2773 :
2774 46 : conf->channel = channel;
2775 46 : conf->ieee80211n = params->ht_enabled;
2776 46 : conf->secondary_channel = params->sec_channel_offset;
2777 :
2778 : /* TODO: maybe call here hostapd_config_check here? */
2779 :
2780 46 : return 0;
2781 : }
2782 :
2783 :
2784 23 : static int hostapd_fill_csa_settings(struct hostapd_data *hapd,
2785 : struct csa_settings *settings)
2786 : {
2787 23 : struct hostapd_iface *iface = hapd->iface;
2788 : struct hostapd_freq_params old_freq;
2789 : int ret;
2790 :
2791 23 : os_memset(&old_freq, 0, sizeof(old_freq));
2792 23 : if (!iface || !iface->freq || hapd->csa_in_progress)
2793 0 : return -1;
2794 :
2795 23 : ret = hostapd_change_config_freq(iface->bss[0], iface->conf,
2796 : &settings->freq_params,
2797 : &old_freq);
2798 23 : if (ret)
2799 0 : return ret;
2800 :
2801 23 : ret = hostapd_build_beacon_data(hapd, &settings->beacon_after);
2802 :
2803 : /* change back the configuration */
2804 23 : hostapd_change_config_freq(iface->bss[0], iface->conf,
2805 : &old_freq, NULL);
2806 :
2807 23 : if (ret)
2808 0 : return ret;
2809 :
2810 : /* set channel switch parameters for csa ie */
2811 23 : hapd->cs_freq_params = settings->freq_params;
2812 23 : hapd->cs_count = settings->cs_count;
2813 23 : hapd->cs_block_tx = settings->block_tx;
2814 :
2815 23 : ret = hostapd_build_beacon_data(hapd, &settings->beacon_csa);
2816 23 : if (ret) {
2817 0 : free_beacon_data(&settings->beacon_after);
2818 0 : return ret;
2819 : }
2820 :
2821 23 : settings->counter_offset_beacon = hapd->cs_c_off_beacon;
2822 23 : settings->counter_offset_presp = hapd->cs_c_off_proberesp;
2823 :
2824 23 : return 0;
2825 : }
2826 :
2827 :
2828 23 : void hostapd_cleanup_cs_params(struct hostapd_data *hapd)
2829 : {
2830 23 : os_memset(&hapd->cs_freq_params, 0, sizeof(hapd->cs_freq_params));
2831 23 : hapd->cs_count = 0;
2832 23 : hapd->cs_block_tx = 0;
2833 23 : hapd->cs_c_off_beacon = 0;
2834 23 : hapd->cs_c_off_proberesp = 0;
2835 23 : hapd->csa_in_progress = 0;
2836 23 : }
2837 :
2838 :
2839 23 : int hostapd_switch_channel(struct hostapd_data *hapd,
2840 : struct csa_settings *settings)
2841 : {
2842 : int ret;
2843 :
2844 23 : if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
2845 0 : wpa_printf(MSG_INFO, "CSA is not supported");
2846 0 : return -1;
2847 : }
2848 :
2849 23 : ret = hostapd_fill_csa_settings(hapd, settings);
2850 23 : if (ret)
2851 0 : return ret;
2852 :
2853 23 : ret = hostapd_drv_switch_channel(hapd, settings);
2854 23 : free_beacon_data(&settings->beacon_csa);
2855 23 : free_beacon_data(&settings->beacon_after);
2856 :
2857 23 : if (ret) {
2858 : /* if we failed, clean cs parameters */
2859 2 : hostapd_cleanup_cs_params(hapd);
2860 2 : return ret;
2861 : }
2862 :
2863 21 : hapd->csa_in_progress = 1;
2864 21 : return 0;
2865 : }
2866 :
2867 :
2868 : void
2869 0 : hostapd_switch_channel_fallback(struct hostapd_iface *iface,
2870 : const struct hostapd_freq_params *freq_params)
2871 : {
2872 0 : int vht_seg0_idx = 0, vht_seg1_idx = 0, vht_bw = VHT_CHANWIDTH_USE_HT;
2873 : unsigned int i;
2874 :
2875 0 : wpa_printf(MSG_DEBUG, "Restarting all CSA-related BSSes");
2876 :
2877 0 : if (freq_params->center_freq1)
2878 0 : vht_seg0_idx = 36 + (freq_params->center_freq1 - 5180) / 5;
2879 0 : if (freq_params->center_freq2)
2880 0 : vht_seg1_idx = 36 + (freq_params->center_freq2 - 5180) / 5;
2881 :
2882 0 : switch (freq_params->bandwidth) {
2883 : case 0:
2884 : case 20:
2885 : case 40:
2886 0 : vht_bw = VHT_CHANWIDTH_USE_HT;
2887 0 : break;
2888 : case 80:
2889 0 : if (freq_params->center_freq2)
2890 0 : vht_bw = VHT_CHANWIDTH_80P80MHZ;
2891 : else
2892 0 : vht_bw = VHT_CHANWIDTH_80MHZ;
2893 0 : break;
2894 : case 160:
2895 0 : vht_bw = VHT_CHANWIDTH_160MHZ;
2896 0 : break;
2897 : default:
2898 0 : wpa_printf(MSG_WARNING, "Unknown CSA bandwidth: %d",
2899 : freq_params->bandwidth);
2900 0 : break;
2901 : }
2902 :
2903 0 : iface->freq = freq_params->freq;
2904 0 : iface->conf->channel = freq_params->channel;
2905 0 : iface->conf->secondary_channel = freq_params->sec_channel_offset;
2906 0 : iface->conf->vht_oper_centr_freq_seg0_idx = vht_seg0_idx;
2907 0 : iface->conf->vht_oper_centr_freq_seg1_idx = vht_seg1_idx;
2908 0 : iface->conf->vht_oper_chwidth = vht_bw;
2909 0 : iface->conf->ieee80211n = freq_params->ht_enabled;
2910 0 : iface->conf->ieee80211ac = freq_params->vht_enabled;
2911 :
2912 : /*
2913 : * cs_params must not be cleared earlier because the freq_params
2914 : * argument may actually point to one of these.
2915 : */
2916 0 : for (i = 0; i < iface->num_bss; i++)
2917 0 : hostapd_cleanup_cs_params(iface->bss[i]);
2918 :
2919 0 : hostapd_disable_iface(iface);
2920 0 : hostapd_enable_iface(iface);
2921 0 : }
2922 :
2923 :
2924 530 : struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
2925 : const char *ifname)
2926 : {
2927 : size_t i, j;
2928 :
2929 792 : for (i = 0; i < interfaces->count; i++) {
2930 790 : struct hostapd_iface *iface = interfaces->iface[i];
2931 :
2932 1052 : for (j = 0; j < iface->num_bss; j++) {
2933 790 : struct hostapd_data *hapd = iface->bss[j];
2934 :
2935 790 : if (os_strcmp(ifname, hapd->conf->iface) == 0)
2936 528 : return hapd;
2937 : }
2938 : }
2939 :
2940 2 : return NULL;
2941 : }
2942 :
2943 : #endif /* NEED_AP_MLME */
2944 :
2945 :
2946 1749 : void hostapd_periodic_iface(struct hostapd_iface *iface)
2947 : {
2948 : size_t i;
2949 :
2950 1749 : ap_list_timer(iface);
2951 :
2952 3502 : for (i = 0; i < iface->num_bss; i++) {
2953 1753 : struct hostapd_data *hapd = iface->bss[i];
2954 :
2955 1753 : if (!hapd->started)
2956 51 : continue;
2957 :
2958 : #ifndef CONFIG_NO_RADIUS
2959 1433 : hostapd_acl_expire(hapd);
2960 : #endif /* CONFIG_NO_RADIUS */
2961 : }
2962 1749 : }
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