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Remove unused hostapd_cleanup_iface_pre()
[thirdparty/hostap.git] / src / ap / hostapd.c
1 /*
2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2013, 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 "drivers/driver.h"
18 #include "hostapd.h"
19 #include "authsrv.h"
20 #include "sta_info.h"
21 #include "accounting.h"
22 #include "ap_list.h"
23 #include "beacon.h"
24 #include "iapp.h"
25 #include "ieee802_1x.h"
26 #include "ieee802_11_auth.h"
27 #include "vlan_init.h"
28 #include "wpa_auth.h"
29 #include "wps_hostapd.h"
30 #include "hw_features.h"
31 #include "wpa_auth_glue.h"
32 #include "ap_drv_ops.h"
33 #include "ap_config.h"
34 #include "p2p_hostapd.h"
35 #include "gas_serv.h"
36 #include "dfs.h"
37
38
39 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
40 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
41 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd);
42 static int setup_interface2(struct hostapd_iface *iface);
43 static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx);
44
45 extern int wpa_debug_level;
46 extern struct wpa_driver_ops *wpa_drivers[];
47
48
49 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
50 int (*cb)(struct hostapd_iface *iface,
51 void *ctx), void *ctx)
52 {
53 size_t i;
54 int ret;
55
56 for (i = 0; i < interfaces->count; i++) {
57 ret = cb(interfaces->iface[i], ctx);
58 if (ret)
59 return ret;
60 }
61
62 return 0;
63 }
64
65
66 static void hostapd_reload_bss(struct hostapd_data *hapd)
67 {
68 struct hostapd_ssid *ssid;
69
70 #ifndef CONFIG_NO_RADIUS
71 radius_client_reconfig(hapd->radius, hapd->conf->radius);
72 #endif /* CONFIG_NO_RADIUS */
73
74 ssid = &hapd->conf->ssid;
75 if (!ssid->wpa_psk_set && ssid->wpa_psk && !ssid->wpa_psk->next &&
76 ssid->wpa_passphrase_set && ssid->wpa_passphrase) {
77 /*
78 * Force PSK to be derived again since SSID or passphrase may
79 * have changed.
80 */
81 os_free(ssid->wpa_psk);
82 ssid->wpa_psk = NULL;
83 }
84 if (hostapd_setup_wpa_psk(hapd->conf)) {
85 wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
86 "after reloading configuration");
87 }
88
89 if (hapd->conf->ieee802_1x || hapd->conf->wpa)
90 hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
91 else
92 hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
93
94 if (hapd->conf->wpa && hapd->wpa_auth == NULL) {
95 hostapd_setup_wpa(hapd);
96 if (hapd->wpa_auth)
97 wpa_init_keys(hapd->wpa_auth);
98 } else if (hapd->conf->wpa) {
99 const u8 *wpa_ie;
100 size_t wpa_ie_len;
101 hostapd_reconfig_wpa(hapd);
102 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
103 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len))
104 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
105 "the kernel driver.");
106 } else if (hapd->wpa_auth) {
107 wpa_deinit(hapd->wpa_auth);
108 hapd->wpa_auth = NULL;
109 hostapd_set_privacy(hapd, 0);
110 hostapd_setup_encryption(hapd->conf->iface, hapd);
111 hostapd_set_generic_elem(hapd, (u8 *) "", 0);
112 }
113
114 ieee802_11_set_beacon(hapd);
115 hostapd_update_wps(hapd);
116
117 if (hapd->conf->ssid.ssid_set &&
118 hostapd_set_ssid(hapd, hapd->conf->ssid.ssid,
119 hapd->conf->ssid.ssid_len)) {
120 wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
121 /* try to continue */
122 }
123 wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
124 }
125
126
127 static void hostapd_clear_old(struct hostapd_iface *iface)
128 {
129 size_t j;
130
131 /*
132 * Deauthenticate all stations since the new configuration may not
133 * allow them to use the BSS anymore.
134 */
135 for (j = 0; j < iface->num_bss; j++) {
136 hostapd_flush_old_stations(iface->bss[j],
137 WLAN_REASON_PREV_AUTH_NOT_VALID);
138 hostapd_broadcast_wep_clear(iface->bss[j]);
139
140 #ifndef CONFIG_NO_RADIUS
141 /* TODO: update dynamic data based on changed configuration
142 * items (e.g., open/close sockets, etc.) */
143 radius_client_flush(iface->bss[j]->radius, 0);
144 #endif /* CONFIG_NO_RADIUS */
145 }
146 }
147
148
149 int hostapd_reload_config(struct hostapd_iface *iface)
150 {
151 struct hostapd_data *hapd = iface->bss[0];
152 struct hostapd_config *newconf, *oldconf;
153 size_t j;
154
155 if (iface->config_fname == NULL) {
156 /* Only in-memory config in use - assume it has been updated */
157 hostapd_clear_old(iface);
158 for (j = 0; j < iface->num_bss; j++)
159 hostapd_reload_bss(iface->bss[j]);
160 return 0;
161 }
162
163 if (iface->interfaces == NULL ||
164 iface->interfaces->config_read_cb == NULL)
165 return -1;
166 newconf = iface->interfaces->config_read_cb(iface->config_fname);
167 if (newconf == NULL)
168 return -1;
169
170 hostapd_clear_old(iface);
171
172 oldconf = hapd->iconf;
173 iface->conf = newconf;
174
175 for (j = 0; j < iface->num_bss; j++) {
176 hapd = iface->bss[j];
177 hapd->iconf = newconf;
178 hapd->conf = newconf->bss[j];
179 hostapd_reload_bss(hapd);
180 }
181
182 hostapd_config_free(oldconf);
183
184
185 return 0;
186 }
187
188
189 static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
190 char *ifname)
191 {
192 int i;
193
194 for (i = 0; i < NUM_WEP_KEYS; i++) {
195 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
196 0, NULL, 0, NULL, 0)) {
197 wpa_printf(MSG_DEBUG, "Failed to clear default "
198 "encryption keys (ifname=%s keyidx=%d)",
199 ifname, i);
200 }
201 }
202 #ifdef CONFIG_IEEE80211W
203 if (hapd->conf->ieee80211w) {
204 for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) {
205 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE,
206 NULL, i, 0, NULL,
207 0, NULL, 0)) {
208 wpa_printf(MSG_DEBUG, "Failed to clear "
209 "default mgmt encryption keys "
210 "(ifname=%s keyidx=%d)", ifname, i);
211 }
212 }
213 }
214 #endif /* CONFIG_IEEE80211W */
215 }
216
217
218 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
219 {
220 hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
221 return 0;
222 }
223
224
225 static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
226 {
227 int errors = 0, idx;
228 struct hostapd_ssid *ssid = &hapd->conf->ssid;
229
230 idx = ssid->wep.idx;
231 if (ssid->wep.default_len &&
232 hostapd_drv_set_key(hapd->conf->iface,
233 hapd, WPA_ALG_WEP, broadcast_ether_addr, idx,
234 1, NULL, 0, ssid->wep.key[idx],
235 ssid->wep.len[idx])) {
236 wpa_printf(MSG_WARNING, "Could not set WEP encryption.");
237 errors++;
238 }
239
240 return errors;
241 }
242
243
244 static void hostapd_free_hapd_data(struct hostapd_data *hapd)
245 {
246 wpa_printf(MSG_DEBUG, "%s(%s)", __func__, hapd->conf->iface);
247 iapp_deinit(hapd->iapp);
248 hapd->iapp = NULL;
249 accounting_deinit(hapd);
250 hostapd_deinit_wpa(hapd);
251 vlan_deinit(hapd);
252 hostapd_acl_deinit(hapd);
253 #ifndef CONFIG_NO_RADIUS
254 radius_client_deinit(hapd->radius);
255 hapd->radius = NULL;
256 radius_das_deinit(hapd->radius_das);
257 hapd->radius_das = NULL;
258 #endif /* CONFIG_NO_RADIUS */
259
260 hostapd_deinit_wps(hapd);
261
262 authsrv_deinit(hapd);
263
264 if (hapd->interface_added &&
265 hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
266 wpa_printf(MSG_WARNING, "Failed to remove BSS interface %s",
267 hapd->conf->iface);
268 }
269
270 os_free(hapd->probereq_cb);
271 hapd->probereq_cb = NULL;
272
273 #ifdef CONFIG_P2P
274 wpabuf_free(hapd->p2p_beacon_ie);
275 hapd->p2p_beacon_ie = NULL;
276 wpabuf_free(hapd->p2p_probe_resp_ie);
277 hapd->p2p_probe_resp_ie = NULL;
278 #endif /* CONFIG_P2P */
279
280 wpabuf_free(hapd->time_adv);
281
282 #ifdef CONFIG_INTERWORKING
283 gas_serv_deinit(hapd);
284 #endif /* CONFIG_INTERWORKING */
285
286 #ifdef CONFIG_SQLITE
287 os_free(hapd->tmp_eap_user.identity);
288 os_free(hapd->tmp_eap_user.password);
289 #endif /* CONFIG_SQLITE */
290 }
291
292
293 /**
294 * hostapd_cleanup - Per-BSS cleanup (deinitialization)
295 * @hapd: Pointer to BSS data
296 *
297 * This function is used to free all per-BSS data structures and resources.
298 * Most of the modules that are initialized in hostapd_setup_bss() are
299 * deinitialized here.
300 */
301 static void hostapd_cleanup(struct hostapd_data *hapd)
302 {
303 wpa_printf(MSG_DEBUG, "%s(%s)", __func__, hapd->conf->iface);
304 if (hapd->iface->interfaces &&
305 hapd->iface->interfaces->ctrl_iface_deinit)
306 hapd->iface->interfaces->ctrl_iface_deinit(hapd);
307 hostapd_free_hapd_data(hapd);
308 }
309
310
311 static void hostapd_cleanup_iface_partial(struct hostapd_iface *iface)
312 {
313 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
314 hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
315 iface->hw_features = NULL;
316 os_free(iface->current_rates);
317 iface->current_rates = NULL;
318 os_free(iface->basic_rates);
319 iface->basic_rates = NULL;
320 ap_list_deinit(iface);
321 }
322
323
324 /**
325 * hostapd_cleanup_iface - Complete per-interface cleanup
326 * @iface: Pointer to interface data
327 *
328 * This function is called after per-BSS data structures are deinitialized
329 * with hostapd_cleanup().
330 */
331 static void hostapd_cleanup_iface(struct hostapd_iface *iface)
332 {
333 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
334 eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
335
336 hostapd_cleanup_iface_partial(iface);
337 hostapd_config_free(iface->conf);
338 iface->conf = NULL;
339
340 os_free(iface->config_fname);
341 os_free(iface->bss);
342 wpa_printf(MSG_DEBUG, "%s: free iface=%p", __func__, iface);
343 os_free(iface);
344 }
345
346
347 static void hostapd_clear_wep(struct hostapd_data *hapd)
348 {
349 if (hapd->drv_priv) {
350 hostapd_set_privacy(hapd, 0);
351 hostapd_broadcast_wep_clear(hapd);
352 }
353 }
354
355
356 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
357 {
358 int i;
359
360 hostapd_broadcast_wep_set(hapd);
361
362 if (hapd->conf->ssid.wep.default_len) {
363 hostapd_set_privacy(hapd, 1);
364 return 0;
365 }
366
367 /*
368 * When IEEE 802.1X is not enabled, the driver may need to know how to
369 * set authentication algorithms for static WEP.
370 */
371 hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs);
372
373 for (i = 0; i < 4; i++) {
374 if (hapd->conf->ssid.wep.key[i] &&
375 hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
376 i == hapd->conf->ssid.wep.idx, NULL, 0,
377 hapd->conf->ssid.wep.key[i],
378 hapd->conf->ssid.wep.len[i])) {
379 wpa_printf(MSG_WARNING, "Could not set WEP "
380 "encryption.");
381 return -1;
382 }
383 if (hapd->conf->ssid.wep.key[i] &&
384 i == hapd->conf->ssid.wep.idx)
385 hostapd_set_privacy(hapd, 1);
386 }
387
388 return 0;
389 }
390
391
392 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason)
393 {
394 int ret = 0;
395 u8 addr[ETH_ALEN];
396
397 if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
398 return 0;
399
400 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Flushing old station entries");
401 if (hostapd_flush(hapd)) {
402 wpa_msg(hapd->msg_ctx, MSG_WARNING, "Could not connect to "
403 "kernel driver");
404 ret = -1;
405 }
406 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Deauthenticate all stations");
407 os_memset(addr, 0xff, ETH_ALEN);
408 hostapd_drv_sta_deauth(hapd, addr, reason);
409 hostapd_free_stas(hapd);
410
411 return ret;
412 }
413
414
415 /**
416 * hostapd_validate_bssid_configuration - Validate BSSID configuration
417 * @iface: Pointer to interface data
418 * Returns: 0 on success, -1 on failure
419 *
420 * This function is used to validate that the configured BSSIDs are valid.
421 */
422 static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
423 {
424 u8 mask[ETH_ALEN] = { 0 };
425 struct hostapd_data *hapd = iface->bss[0];
426 unsigned int i = iface->conf->num_bss, bits = 0, j;
427 int auto_addr = 0;
428
429 if (hostapd_drv_none(hapd))
430 return 0;
431
432 /* Generate BSSID mask that is large enough to cover the BSSIDs. */
433
434 /* Determine the bits necessary to cover the number of BSSIDs. */
435 for (i--; i; i >>= 1)
436 bits++;
437
438 /* Determine the bits necessary to any configured BSSIDs,
439 if they are higher than the number of BSSIDs. */
440 for (j = 0; j < iface->conf->num_bss; j++) {
441 if (hostapd_mac_comp_empty(iface->conf->bss[j]->bssid) == 0) {
442 if (j)
443 auto_addr++;
444 continue;
445 }
446
447 for (i = 0; i < ETH_ALEN; i++) {
448 mask[i] |=
449 iface->conf->bss[j]->bssid[i] ^
450 hapd->own_addr[i];
451 }
452 }
453
454 if (!auto_addr)
455 goto skip_mask_ext;
456
457 for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
458 ;
459 j = 0;
460 if (i < ETH_ALEN) {
461 j = (5 - i) * 8;
462
463 while (mask[i] != 0) {
464 mask[i] >>= 1;
465 j++;
466 }
467 }
468
469 if (bits < j)
470 bits = j;
471
472 if (bits > 40) {
473 wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)",
474 bits);
475 return -1;
476 }
477
478 os_memset(mask, 0xff, ETH_ALEN);
479 j = bits / 8;
480 for (i = 5; i > 5 - j; i--)
481 mask[i] = 0;
482 j = bits % 8;
483 while (j--)
484 mask[i] <<= 1;
485
486 skip_mask_ext:
487 wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
488 (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
489
490 if (!auto_addr)
491 return 0;
492
493 for (i = 0; i < ETH_ALEN; i++) {
494 if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
495 wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR
496 " for start address " MACSTR ".",
497 MAC2STR(mask), MAC2STR(hapd->own_addr));
498 wpa_printf(MSG_ERROR, "Start address must be the "
499 "first address in the block (i.e., addr "
500 "AND mask == addr).");
501 return -1;
502 }
503 }
504
505 return 0;
506 }
507
508
509 static int mac_in_conf(struct hostapd_config *conf, const void *a)
510 {
511 size_t i;
512
513 for (i = 0; i < conf->num_bss; i++) {
514 if (hostapd_mac_comp(conf->bss[i]->bssid, a) == 0) {
515 return 1;
516 }
517 }
518
519 return 0;
520 }
521
522
523 #ifndef CONFIG_NO_RADIUS
524
525 static int hostapd_das_nas_mismatch(struct hostapd_data *hapd,
526 struct radius_das_attrs *attr)
527 {
528 /* TODO */
529 return 0;
530 }
531
532
533 static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd,
534 struct radius_das_attrs *attr)
535 {
536 struct sta_info *sta = NULL;
537 char buf[128];
538
539 if (attr->sta_addr)
540 sta = ap_get_sta(hapd, attr->sta_addr);
541
542 if (sta == NULL && attr->acct_session_id &&
543 attr->acct_session_id_len == 17) {
544 for (sta = hapd->sta_list; sta; sta = sta->next) {
545 os_snprintf(buf, sizeof(buf), "%08X-%08X",
546 sta->acct_session_id_hi,
547 sta->acct_session_id_lo);
548 if (os_memcmp(attr->acct_session_id, buf, 17) == 0)
549 break;
550 }
551 }
552
553 if (sta == NULL && attr->cui) {
554 for (sta = hapd->sta_list; sta; sta = sta->next) {
555 struct wpabuf *cui;
556 cui = ieee802_1x_get_radius_cui(sta->eapol_sm);
557 if (cui && wpabuf_len(cui) == attr->cui_len &&
558 os_memcmp(wpabuf_head(cui), attr->cui,
559 attr->cui_len) == 0)
560 break;
561 }
562 }
563
564 if (sta == NULL && attr->user_name) {
565 for (sta = hapd->sta_list; sta; sta = sta->next) {
566 u8 *identity;
567 size_t identity_len;
568 identity = ieee802_1x_get_identity(sta->eapol_sm,
569 &identity_len);
570 if (identity &&
571 identity_len == attr->user_name_len &&
572 os_memcmp(identity, attr->user_name, identity_len)
573 == 0)
574 break;
575 }
576 }
577
578 return sta;
579 }
580
581
582 static enum radius_das_res
583 hostapd_das_disconnect(void *ctx, struct radius_das_attrs *attr)
584 {
585 struct hostapd_data *hapd = ctx;
586 struct sta_info *sta;
587
588 if (hostapd_das_nas_mismatch(hapd, attr))
589 return RADIUS_DAS_NAS_MISMATCH;
590
591 sta = hostapd_das_find_sta(hapd, attr);
592 if (sta == NULL)
593 return RADIUS_DAS_SESSION_NOT_FOUND;
594
595 hostapd_drv_sta_deauth(hapd, sta->addr,
596 WLAN_REASON_PREV_AUTH_NOT_VALID);
597 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID);
598
599 return RADIUS_DAS_SUCCESS;
600 }
601
602 #endif /* CONFIG_NO_RADIUS */
603
604
605 /**
606 * hostapd_setup_bss - Per-BSS setup (initialization)
607 * @hapd: Pointer to BSS data
608 * @first: Whether this BSS is the first BSS of an interface; -1 = not first,
609 * but interface may exist
610 *
611 * This function is used to initialize all per-BSS data structures and
612 * resources. This gets called in a loop for each BSS when an interface is
613 * initialized. Most of the modules that are initialized here will be
614 * deinitialized in hostapd_cleanup().
615 */
616 static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
617 {
618 struct hostapd_bss_config *conf = hapd->conf;
619 u8 ssid[HOSTAPD_MAX_SSID_LEN + 1];
620 int ssid_len, set_ssid;
621 char force_ifname[IFNAMSIZ];
622 u8 if_addr[ETH_ALEN];
623
624 if (!first || first == -1) {
625 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
626 /* Allocate the next available BSSID. */
627 do {
628 inc_byte_array(hapd->own_addr, ETH_ALEN);
629 } while (mac_in_conf(hapd->iconf, hapd->own_addr));
630 } else {
631 /* Allocate the configured BSSID. */
632 os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN);
633
634 if (hostapd_mac_comp(hapd->own_addr,
635 hapd->iface->bss[0]->own_addr) ==
636 0) {
637 wpa_printf(MSG_ERROR, "BSS '%s' may not have "
638 "BSSID set to the MAC address of "
639 "the radio", hapd->conf->iface);
640 return -1;
641 }
642 }
643
644 hapd->interface_added = 1;
645 if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
646 hapd->conf->iface, hapd->own_addr, hapd,
647 &hapd->drv_priv, force_ifname, if_addr,
648 hapd->conf->bridge[0] ? hapd->conf->bridge :
649 NULL, first == -1)) {
650 wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
651 MACSTR ")", MAC2STR(hapd->own_addr));
652 return -1;
653 }
654 }
655
656 if (conf->wmm_enabled < 0)
657 conf->wmm_enabled = hapd->iconf->ieee80211n;
658
659 hostapd_flush_old_stations(hapd, WLAN_REASON_PREV_AUTH_NOT_VALID);
660 hostapd_set_privacy(hapd, 0);
661
662 hostapd_broadcast_wep_clear(hapd);
663 if (hostapd_setup_encryption(hapd->conf->iface, hapd))
664 return -1;
665
666 /*
667 * Fetch the SSID from the system and use it or,
668 * if one was specified in the config file, verify they
669 * match.
670 */
671 ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
672 if (ssid_len < 0) {
673 wpa_printf(MSG_ERROR, "Could not read SSID from system");
674 return -1;
675 }
676 if (conf->ssid.ssid_set) {
677 /*
678 * If SSID is specified in the config file and it differs
679 * from what is being used then force installation of the
680 * new SSID.
681 */
682 set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
683 os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
684 } else {
685 /*
686 * No SSID in the config file; just use the one we got
687 * from the system.
688 */
689 set_ssid = 0;
690 conf->ssid.ssid_len = ssid_len;
691 os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
692 }
693
694 if (!hostapd_drv_none(hapd)) {
695 wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR
696 " and ssid \"%s\"",
697 hapd->conf->iface, MAC2STR(hapd->own_addr),
698 wpa_ssid_txt(hapd->conf->ssid.ssid,
699 hapd->conf->ssid.ssid_len));
700 }
701
702 if (hostapd_setup_wpa_psk(conf)) {
703 wpa_printf(MSG_ERROR, "WPA-PSK setup failed.");
704 return -1;
705 }
706
707 /* Set SSID for the kernel driver (to be used in beacon and probe
708 * response frames) */
709 if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid,
710 conf->ssid.ssid_len)) {
711 wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
712 return -1;
713 }
714
715 if (wpa_debug_level == MSG_MSGDUMP)
716 conf->radius->msg_dumps = 1;
717 #ifndef CONFIG_NO_RADIUS
718 hapd->radius = radius_client_init(hapd, conf->radius);
719 if (hapd->radius == NULL) {
720 wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
721 return -1;
722 }
723
724 if (hapd->conf->radius_das_port) {
725 struct radius_das_conf das_conf;
726 os_memset(&das_conf, 0, sizeof(das_conf));
727 das_conf.port = hapd->conf->radius_das_port;
728 das_conf.shared_secret = hapd->conf->radius_das_shared_secret;
729 das_conf.shared_secret_len =
730 hapd->conf->radius_das_shared_secret_len;
731 das_conf.client_addr = &hapd->conf->radius_das_client_addr;
732 das_conf.time_window = hapd->conf->radius_das_time_window;
733 das_conf.require_event_timestamp =
734 hapd->conf->radius_das_require_event_timestamp;
735 das_conf.ctx = hapd;
736 das_conf.disconnect = hostapd_das_disconnect;
737 hapd->radius_das = radius_das_init(&das_conf);
738 if (hapd->radius_das == NULL) {
739 wpa_printf(MSG_ERROR, "RADIUS DAS initialization "
740 "failed.");
741 return -1;
742 }
743 }
744 #endif /* CONFIG_NO_RADIUS */
745
746 if (hostapd_acl_init(hapd)) {
747 wpa_printf(MSG_ERROR, "ACL initialization failed.");
748 return -1;
749 }
750 if (hostapd_init_wps(hapd, conf))
751 return -1;
752
753 if (authsrv_init(hapd) < 0)
754 return -1;
755
756 if (ieee802_1x_init(hapd)) {
757 wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed.");
758 return -1;
759 }
760
761 if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
762 return -1;
763
764 if (accounting_init(hapd)) {
765 wpa_printf(MSG_ERROR, "Accounting initialization failed.");
766 return -1;
767 }
768
769 if (hapd->conf->ieee802_11f &&
770 (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
771 wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization "
772 "failed.");
773 return -1;
774 }
775
776 #ifdef CONFIG_INTERWORKING
777 if (gas_serv_init(hapd)) {
778 wpa_printf(MSG_ERROR, "GAS server initialization failed");
779 return -1;
780 }
781
782 if (conf->qos_map_set_len &&
783 hostapd_drv_set_qos_map(hapd, conf->qos_map_set,
784 conf->qos_map_set_len)) {
785 wpa_printf(MSG_ERROR, "Failed to initialize QoS Map");
786 return -1;
787 }
788 #endif /* CONFIG_INTERWORKING */
789
790 if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
791 wpa_printf(MSG_ERROR, "VLAN initialization failed.");
792 return -1;
793 }
794
795 if (!hapd->conf->start_disabled)
796 ieee802_11_set_beacon(hapd);
797
798 if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
799 return -1;
800
801 if (hapd->driver && hapd->driver->set_operstate)
802 hapd->driver->set_operstate(hapd->drv_priv, 1);
803
804 return 0;
805 }
806
807
808 static void hostapd_tx_queue_params(struct hostapd_iface *iface)
809 {
810 struct hostapd_data *hapd = iface->bss[0];
811 int i;
812 struct hostapd_tx_queue_params *p;
813
814 for (i = 0; i < NUM_TX_QUEUES; i++) {
815 p = &iface->conf->tx_queue[i];
816
817 if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
818 p->cwmax, p->burst)) {
819 wpa_printf(MSG_DEBUG, "Failed to set TX queue "
820 "parameters for queue %d.", i);
821 /* Continue anyway */
822 }
823 }
824 }
825
826
827 static int hostapd_set_acl_list(struct hostapd_data *hapd,
828 struct mac_acl_entry *mac_acl,
829 int n_entries, u8 accept_acl)
830 {
831 struct hostapd_acl_params *acl_params;
832 int i, err;
833
834 acl_params = os_zalloc(sizeof(*acl_params) +
835 (n_entries * sizeof(acl_params->mac_acl[0])));
836 if (!acl_params)
837 return -ENOMEM;
838
839 for (i = 0; i < n_entries; i++)
840 os_memcpy(acl_params->mac_acl[i].addr, mac_acl[i].addr,
841 ETH_ALEN);
842
843 acl_params->acl_policy = accept_acl;
844 acl_params->num_mac_acl = n_entries;
845
846 err = hostapd_drv_set_acl(hapd, acl_params);
847
848 os_free(acl_params);
849
850 return err;
851 }
852
853
854 static void hostapd_set_acl(struct hostapd_data *hapd)
855 {
856 struct hostapd_config *conf = hapd->iconf;
857 int err;
858 u8 accept_acl;
859
860 if (hapd->iface->drv_max_acl_mac_addrs == 0)
861 return;
862 if (!(conf->bss[0]->num_accept_mac || conf->bss[0]->num_deny_mac))
863 return;
864
865 if (conf->bss[0]->macaddr_acl == DENY_UNLESS_ACCEPTED) {
866 if (conf->bss[0]->num_accept_mac) {
867 accept_acl = 1;
868 err = hostapd_set_acl_list(hapd,
869 conf->bss[0]->accept_mac,
870 conf->bss[0]->num_accept_mac,
871 accept_acl);
872 if (err) {
873 wpa_printf(MSG_DEBUG, "Failed to set accept acl");
874 return;
875 }
876 } else {
877 wpa_printf(MSG_DEBUG, "Mismatch between ACL Policy & Accept/deny lists file");
878 }
879 } else if (conf->bss[0]->macaddr_acl == ACCEPT_UNLESS_DENIED) {
880 if (conf->bss[0]->num_deny_mac) {
881 accept_acl = 0;
882 err = hostapd_set_acl_list(hapd, conf->bss[0]->deny_mac,
883 conf->bss[0]->num_deny_mac,
884 accept_acl);
885 if (err) {
886 wpa_printf(MSG_DEBUG, "Failed to set deny acl");
887 return;
888 }
889 } else {
890 wpa_printf(MSG_DEBUG, "Mismatch between ACL Policy & Accept/deny lists file");
891 }
892 }
893 }
894
895
896 static int start_ctrl_iface_bss(struct hostapd_data *hapd)
897 {
898 if (!hapd->iface->interfaces ||
899 !hapd->iface->interfaces->ctrl_iface_init)
900 return 0;
901
902 if (hapd->iface->interfaces->ctrl_iface_init(hapd)) {
903 wpa_printf(MSG_ERROR,
904 "Failed to setup control interface for %s",
905 hapd->conf->iface);
906 return -1;
907 }
908
909 return 0;
910 }
911
912
913 static int start_ctrl_iface(struct hostapd_iface *iface)
914 {
915 size_t i;
916
917 if (!iface->interfaces || !iface->interfaces->ctrl_iface_init)
918 return 0;
919
920 for (i = 0; i < iface->num_bss; i++) {
921 struct hostapd_data *hapd = iface->bss[i];
922 if (iface->interfaces->ctrl_iface_init(hapd)) {
923 wpa_printf(MSG_ERROR,
924 "Failed to setup control interface for %s",
925 hapd->conf->iface);
926 return -1;
927 }
928 }
929
930 return 0;
931 }
932
933
934 static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx)
935 {
936 struct hostapd_iface *iface = eloop_ctx;
937
938 if (!iface->wait_channel_update) {
939 wpa_printf(MSG_INFO, "Channel list update timeout, but interface was not waiting for it");
940 return;
941 }
942
943 /*
944 * It is possible that the existing channel list is acceptable, so try
945 * to proceed.
946 */
947 wpa_printf(MSG_DEBUG, "Channel list update timeout - try to continue anyway");
948 setup_interface2(iface);
949 }
950
951
952 void hostapd_channel_list_updated(struct hostapd_iface *iface)
953 {
954 if (!iface->wait_channel_update)
955 return;
956
957 wpa_printf(MSG_DEBUG, "Channel list updated - continue setup");
958 eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
959 setup_interface2(iface);
960 }
961
962
963 static int setup_interface(struct hostapd_iface *iface)
964 {
965 struct hostapd_data *hapd = iface->bss[0];
966 size_t i;
967
968 if (!iface->phy[0]) {
969 const char *phy = hostapd_drv_get_radio_name(hapd);
970 if (phy) {
971 wpa_printf(MSG_DEBUG, "phy: %s", phy);
972 os_strlcpy(iface->phy, phy, sizeof(iface->phy));
973 }
974 }
975
976 /*
977 * Make sure that all BSSes get configured with a pointer to the same
978 * driver interface.
979 */
980 for (i = 1; i < iface->num_bss; i++) {
981 iface->bss[i]->driver = hapd->driver;
982 iface->bss[i]->drv_priv = hapd->drv_priv;
983 }
984
985 if (hostapd_validate_bssid_configuration(iface))
986 return -1;
987
988 /*
989 * Initialize control interfaces early to allow external monitoring of
990 * channel setup operations that may take considerable amount of time
991 * especially for DFS cases.
992 */
993 if (start_ctrl_iface(iface))
994 return -1;
995
996 if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
997 char country[4], previous_country[4];
998
999 hostapd_set_state(iface, HAPD_IFACE_COUNTRY_UPDATE);
1000 if (hostapd_get_country(hapd, previous_country) < 0)
1001 previous_country[0] = '\0';
1002
1003 os_memcpy(country, hapd->iconf->country, 3);
1004 country[3] = '\0';
1005 if (hostapd_set_country(hapd, country) < 0) {
1006 wpa_printf(MSG_ERROR, "Failed to set country code");
1007 return -1;
1008 }
1009
1010 wpa_printf(MSG_DEBUG, "Previous country code %s, new country code %s",
1011 previous_country, country);
1012
1013 if (os_strncmp(previous_country, country, 2) != 0) {
1014 wpa_printf(MSG_DEBUG, "Continue interface setup after channel list update");
1015 iface->wait_channel_update = 1;
1016 eloop_register_timeout(1, 0,
1017 channel_list_update_timeout,
1018 iface, NULL);
1019 return 0;
1020 }
1021 }
1022
1023 return setup_interface2(iface);
1024 }
1025
1026
1027 static int setup_interface2(struct hostapd_iface *iface)
1028 {
1029 iface->wait_channel_update = 0;
1030
1031 if (hostapd_get_hw_features(iface)) {
1032 /* Not all drivers support this yet, so continue without hw
1033 * feature data. */
1034 } else {
1035 int ret = hostapd_select_hw_mode(iface);
1036 if (ret < 0) {
1037 wpa_printf(MSG_ERROR, "Could not select hw_mode and "
1038 "channel. (%d)", ret);
1039 return -1;
1040 }
1041 if (ret == 1) {
1042 wpa_printf(MSG_DEBUG, "Interface initialization will be completed in a callback (ACS)");
1043 return 0;
1044 }
1045 ret = hostapd_check_ht_capab(iface);
1046 if (ret < 0)
1047 return -1;
1048 if (ret == 1) {
1049 wpa_printf(MSG_DEBUG, "Interface initialization will "
1050 "be completed in a callback");
1051 return 0;
1052 }
1053
1054 if (iface->conf->ieee80211h)
1055 wpa_printf(MSG_DEBUG, "DFS support is enabled");
1056 }
1057 return hostapd_setup_interface_complete(iface, 0);
1058 }
1059
1060
1061 /**
1062 * hostapd_setup_interface_complete - Complete interface setup
1063 *
1064 * This function is called when previous steps in the interface setup has been
1065 * completed. This can also start operations, e.g., DFS, that will require
1066 * additional processing before interface is ready to be enabled. Such
1067 * operations will call this function from eloop callbacks when finished.
1068 */
1069 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
1070 {
1071 struct hostapd_data *hapd = iface->bss[0];
1072 size_t j;
1073 u8 *prev_addr;
1074
1075 if (err) {
1076 wpa_printf(MSG_ERROR, "Interface initialization failed");
1077 hostapd_set_state(iface, HAPD_IFACE_DISABLED);
1078 if (iface->interfaces && iface->interfaces->terminate_on_error)
1079 eloop_terminate();
1080 return -1;
1081 }
1082
1083 wpa_printf(MSG_DEBUG, "Completing interface initialization");
1084 if (iface->conf->channel) {
1085 #ifdef NEED_AP_MLME
1086 int res;
1087 #endif /* NEED_AP_MLME */
1088
1089 iface->freq = hostapd_hw_get_freq(hapd, iface->conf->channel);
1090 wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d "
1091 "Frequency: %d MHz",
1092 hostapd_hw_mode_txt(iface->conf->hw_mode),
1093 iface->conf->channel, iface->freq);
1094
1095 #ifdef NEED_AP_MLME
1096 /* Check DFS */
1097 res = hostapd_handle_dfs(iface);
1098 if (res <= 0)
1099 return res;
1100 #endif /* NEED_AP_MLME */
1101
1102 if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
1103 hapd->iconf->channel,
1104 hapd->iconf->ieee80211n,
1105 hapd->iconf->ieee80211ac,
1106 hapd->iconf->secondary_channel,
1107 hapd->iconf->vht_oper_chwidth,
1108 hapd->iconf->vht_oper_centr_freq_seg0_idx,
1109 hapd->iconf->vht_oper_centr_freq_seg1_idx)) {
1110 wpa_printf(MSG_ERROR, "Could not set channel for "
1111 "kernel driver");
1112 return -1;
1113 }
1114 }
1115
1116 if (iface->current_mode) {
1117 if (hostapd_prepare_rates(iface, iface->current_mode)) {
1118 wpa_printf(MSG_ERROR, "Failed to prepare rates "
1119 "table.");
1120 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1121 HOSTAPD_LEVEL_WARNING,
1122 "Failed to prepare rates table.");
1123 return -1;
1124 }
1125 }
1126
1127 if (hapd->iconf->rts_threshold > -1 &&
1128 hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
1129 wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
1130 "kernel driver");
1131 return -1;
1132 }
1133
1134 if (hapd->iconf->fragm_threshold > -1 &&
1135 hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
1136 wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
1137 "for kernel driver");
1138 return -1;
1139 }
1140
1141 prev_addr = hapd->own_addr;
1142
1143 for (j = 0; j < iface->num_bss; j++) {
1144 hapd = iface->bss[j];
1145 if (j)
1146 os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
1147 if (hostapd_setup_bss(hapd, j == 0))
1148 return -1;
1149 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
1150 prev_addr = hapd->own_addr;
1151 }
1152 hapd = iface->bss[0];
1153
1154 hostapd_tx_queue_params(iface);
1155
1156 ap_list_init(iface);
1157
1158 hostapd_set_acl(hapd);
1159
1160 if (hostapd_driver_commit(hapd) < 0) {
1161 wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
1162 "configuration", __func__);
1163 return -1;
1164 }
1165
1166 /*
1167 * WPS UPnP module can be initialized only when the "upnp_iface" is up.
1168 * If "interface" and "upnp_iface" are the same (e.g., non-bridge
1169 * mode), the interface is up only after driver_commit, so initialize
1170 * WPS after driver_commit.
1171 */
1172 for (j = 0; j < iface->num_bss; j++) {
1173 if (hostapd_init_wps_complete(iface->bss[j]))
1174 return -1;
1175 }
1176
1177 hostapd_set_state(iface, HAPD_IFACE_ENABLED);
1178 wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_ENABLED);
1179 if (hapd->setup_complete_cb)
1180 hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
1181
1182 wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
1183 iface->bss[0]->conf->iface);
1184 if (iface->interfaces && iface->interfaces->terminate_on_error > 0)
1185 iface->interfaces->terminate_on_error--;
1186
1187 return 0;
1188 }
1189
1190
1191 /**
1192 * hostapd_setup_interface - Setup of an interface
1193 * @iface: Pointer to interface data.
1194 * Returns: 0 on success, -1 on failure
1195 *
1196 * Initializes the driver interface, validates the configuration,
1197 * and sets driver parameters based on the configuration.
1198 * Flushes old stations, sets the channel, encryption,
1199 * beacons, and WDS links based on the configuration.
1200 *
1201 * If interface setup requires more time, e.g., to perform HT co-ex scans, ACS,
1202 * or DFS operations, this function returns 0 before such operations have been
1203 * completed. The pending operations are registered into eloop and will be
1204 * completed from eloop callbacks. Those callbacks end up calling
1205 * hostapd_setup_interface_complete() once setup has been completed.
1206 */
1207 int hostapd_setup_interface(struct hostapd_iface *iface)
1208 {
1209 int ret;
1210
1211 ret = setup_interface(iface);
1212 if (ret) {
1213 wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
1214 iface->bss[0]->conf->iface);
1215 return -1;
1216 }
1217
1218 return 0;
1219 }
1220
1221
1222 /**
1223 * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
1224 * @hapd_iface: Pointer to interface data
1225 * @conf: Pointer to per-interface configuration
1226 * @bss: Pointer to per-BSS configuration for this BSS
1227 * Returns: Pointer to allocated BSS data
1228 *
1229 * This function is used to allocate per-BSS data structure. This data will be
1230 * freed after hostapd_cleanup() is called for it during interface
1231 * deinitialization.
1232 */
1233 struct hostapd_data *
1234 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
1235 struct hostapd_config *conf,
1236 struct hostapd_bss_config *bss)
1237 {
1238 struct hostapd_data *hapd;
1239
1240 hapd = os_zalloc(sizeof(*hapd));
1241 if (hapd == NULL)
1242 return NULL;
1243
1244 hapd->new_assoc_sta_cb = hostapd_new_assoc_sta;
1245 hapd->iconf = conf;
1246 hapd->conf = bss;
1247 hapd->iface = hapd_iface;
1248 hapd->driver = hapd->iconf->driver;
1249 hapd->ctrl_sock = -1;
1250
1251 return hapd;
1252 }
1253
1254
1255 void hostapd_interface_deinit(struct hostapd_iface *iface)
1256 {
1257 int j;
1258
1259 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
1260 if (iface == NULL)
1261 return;
1262
1263 eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
1264 iface->wait_channel_update = 0;
1265
1266 for (j = iface->num_bss - 1; j >= 0; j--) {
1267 struct hostapd_data *hapd = iface->bss[j];
1268 wpa_printf(MSG_DEBUG, "%s: deinit bss %s", __func__,
1269 hapd->conf->iface);
1270 hostapd_free_stas(hapd);
1271 hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
1272 hostapd_clear_wep(hapd);
1273 hostapd_cleanup(hapd);
1274 }
1275 }
1276
1277
1278 void hostapd_interface_free(struct hostapd_iface *iface)
1279 {
1280 size_t j;
1281 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
1282 for (j = 0; j < iface->num_bss; j++) {
1283 wpa_printf(MSG_DEBUG, "%s: free hapd %p",
1284 __func__, iface->bss[j]);
1285 os_free(iface->bss[j]);
1286 }
1287 hostapd_cleanup_iface(iface);
1288 }
1289
1290
1291 /**
1292 * hostapd_init - Allocate and initialize per-interface data
1293 * @config_file: Path to the configuration file
1294 * Returns: Pointer to the allocated interface data or %NULL on failure
1295 *
1296 * This function is used to allocate main data structures for per-interface
1297 * data. The allocated data buffer will be freed by calling
1298 * hostapd_cleanup_iface().
1299 */
1300 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
1301 const char *config_file)
1302 {
1303 struct hostapd_iface *hapd_iface = NULL;
1304 struct hostapd_config *conf = NULL;
1305 struct hostapd_data *hapd;
1306 size_t i;
1307
1308 hapd_iface = os_zalloc(sizeof(*hapd_iface));
1309 if (hapd_iface == NULL)
1310 goto fail;
1311
1312 hapd_iface->config_fname = os_strdup(config_file);
1313 if (hapd_iface->config_fname == NULL)
1314 goto fail;
1315
1316 conf = interfaces->config_read_cb(hapd_iface->config_fname);
1317 if (conf == NULL)
1318 goto fail;
1319 hapd_iface->conf = conf;
1320
1321 hapd_iface->num_bss = conf->num_bss;
1322 hapd_iface->bss = os_calloc(conf->num_bss,
1323 sizeof(struct hostapd_data *));
1324 if (hapd_iface->bss == NULL)
1325 goto fail;
1326
1327 for (i = 0; i < conf->num_bss; i++) {
1328 hapd = hapd_iface->bss[i] =
1329 hostapd_alloc_bss_data(hapd_iface, conf,
1330 conf->bss[i]);
1331 if (hapd == NULL)
1332 goto fail;
1333 hapd->msg_ctx = hapd;
1334 }
1335
1336 return hapd_iface;
1337
1338 fail:
1339 wpa_printf(MSG_ERROR, "Failed to set up interface with %s",
1340 config_file);
1341 if (conf)
1342 hostapd_config_free(conf);
1343 if (hapd_iface) {
1344 os_free(hapd_iface->config_fname);
1345 os_free(hapd_iface->bss);
1346 wpa_printf(MSG_DEBUG, "%s: free iface %p",
1347 __func__, hapd_iface);
1348 os_free(hapd_iface);
1349 }
1350 return NULL;
1351 }
1352
1353
1354 static int ifname_in_use(struct hapd_interfaces *interfaces, const char *ifname)
1355 {
1356 size_t i, j;
1357
1358 for (i = 0; i < interfaces->count; i++) {
1359 struct hostapd_iface *iface = interfaces->iface[i];
1360 for (j = 0; j < iface->num_bss; j++) {
1361 struct hostapd_data *hapd = iface->bss[j];
1362 if (os_strcmp(ifname, hapd->conf->iface) == 0)
1363 return 1;
1364 }
1365 }
1366
1367 return 0;
1368 }
1369
1370
1371 /**
1372 * hostapd_interface_init_bss - Read configuration file and init BSS data
1373 *
1374 * This function is used to parse configuration file for a BSS. This BSS is
1375 * added to an existing interface sharing the same radio (if any) or a new
1376 * interface is created if this is the first interface on a radio. This
1377 * allocate memory for the BSS. No actual driver operations are started.
1378 *
1379 * This is similar to hostapd_interface_init(), but for a case where the
1380 * configuration is used to add a single BSS instead of all BSSes for a radio.
1381 */
1382 struct hostapd_iface *
1383 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
1384 const char *config_fname, int debug)
1385 {
1386 struct hostapd_iface *new_iface = NULL, *iface = NULL;
1387 struct hostapd_data *hapd;
1388 int k;
1389 size_t i, bss_idx;
1390
1391 if (!phy || !*phy)
1392 return NULL;
1393
1394 for (i = 0; i < interfaces->count; i++) {
1395 if (os_strcmp(interfaces->iface[i]->phy, phy) == 0) {
1396 iface = interfaces->iface[i];
1397 break;
1398 }
1399 }
1400
1401 wpa_printf(MSG_INFO, "Configuration file: %s (phy %s)%s",
1402 config_fname, phy, iface ? "" : " --> new PHY");
1403 if (iface) {
1404 struct hostapd_config *conf;
1405 struct hostapd_bss_config **tmp_conf;
1406 struct hostapd_data **tmp_bss;
1407 struct hostapd_bss_config *bss;
1408 const char *ifname;
1409
1410 /* Add new BSS to existing iface */
1411 conf = interfaces->config_read_cb(config_fname);
1412 if (conf == NULL)
1413 return NULL;
1414 if (conf->num_bss > 1) {
1415 wpa_printf(MSG_ERROR, "Multiple BSSes specified in BSS-config");
1416 hostapd_config_free(conf);
1417 return NULL;
1418 }
1419
1420 ifname = conf->bss[0]->iface;
1421 if (ifname[0] != '\0' && ifname_in_use(interfaces, ifname)) {
1422 wpa_printf(MSG_ERROR,
1423 "Interface name %s already in use", ifname);
1424 hostapd_config_free(conf);
1425 return NULL;
1426 }
1427
1428 tmp_conf = os_realloc_array(
1429 iface->conf->bss, iface->conf->num_bss + 1,
1430 sizeof(struct hostapd_bss_config *));
1431 tmp_bss = os_realloc_array(iface->bss, iface->num_bss + 1,
1432 sizeof(struct hostapd_data *));
1433 if (tmp_bss)
1434 iface->bss = tmp_bss;
1435 if (tmp_conf) {
1436 iface->conf->bss = tmp_conf;
1437 iface->conf->last_bss = tmp_conf[0];
1438 }
1439 if (tmp_bss == NULL || tmp_conf == NULL) {
1440 hostapd_config_free(conf);
1441 return NULL;
1442 }
1443 bss = iface->conf->bss[iface->conf->num_bss] = conf->bss[0];
1444 iface->conf->num_bss++;
1445
1446 hapd = hostapd_alloc_bss_data(iface, iface->conf, bss);
1447 if (hapd == NULL) {
1448 iface->conf->num_bss--;
1449 hostapd_config_free(conf);
1450 return NULL;
1451 }
1452 iface->conf->last_bss = bss;
1453 iface->bss[iface->num_bss] = hapd;
1454 hapd->msg_ctx = hapd;
1455
1456 bss_idx = iface->num_bss++;
1457 conf->num_bss--;
1458 conf->bss[0] = NULL;
1459 hostapd_config_free(conf);
1460 } else {
1461 /* Add a new iface with the first BSS */
1462 new_iface = iface = hostapd_init(interfaces, config_fname);
1463 if (!iface)
1464 return NULL;
1465 os_strlcpy(iface->phy, phy, sizeof(iface->phy));
1466 iface->interfaces = interfaces;
1467 bss_idx = 0;
1468 }
1469
1470 for (k = 0; k < debug; k++) {
1471 if (iface->bss[bss_idx]->conf->logger_stdout_level > 0)
1472 iface->bss[bss_idx]->conf->logger_stdout_level--;
1473 }
1474
1475 if (iface->conf->bss[bss_idx]->iface[0] == '\0' &&
1476 !hostapd_drv_none(iface->bss[bss_idx])) {
1477 wpa_printf(MSG_ERROR, "Interface name not specified in %s",
1478 config_fname);
1479 if (new_iface)
1480 hostapd_interface_deinit_free(new_iface);
1481 return NULL;
1482 }
1483
1484 return iface;
1485 }
1486
1487
1488 void hostapd_interface_deinit_free(struct hostapd_iface *iface)
1489 {
1490 const struct wpa_driver_ops *driver;
1491 void *drv_priv;
1492
1493 wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
1494 if (iface == NULL)
1495 return;
1496 wpa_printf(MSG_DEBUG, "%s: num_bss=%u conf->num_bss=%u",
1497 __func__, (unsigned int) iface->num_bss,
1498 (unsigned int) iface->conf->num_bss);
1499 driver = iface->bss[0]->driver;
1500 drv_priv = iface->bss[0]->drv_priv;
1501 hostapd_interface_deinit(iface);
1502 wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
1503 __func__, driver, drv_priv);
1504 if (driver && driver->hapd_deinit && drv_priv)
1505 driver->hapd_deinit(drv_priv);
1506 hostapd_interface_free(iface);
1507 }
1508
1509
1510 int hostapd_enable_iface(struct hostapd_iface *hapd_iface)
1511 {
1512 if (hapd_iface->bss[0]->drv_priv != NULL) {
1513 wpa_printf(MSG_ERROR, "Interface %s already enabled",
1514 hapd_iface->conf->bss[0]->iface);
1515 return -1;
1516 }
1517
1518 wpa_printf(MSG_DEBUG, "Enable interface %s",
1519 hapd_iface->conf->bss[0]->iface);
1520
1521 if (hapd_iface->interfaces == NULL ||
1522 hapd_iface->interfaces->driver_init == NULL ||
1523 hapd_iface->interfaces->driver_init(hapd_iface))
1524 return -1;
1525
1526 if (hostapd_setup_interface(hapd_iface)) {
1527 const struct wpa_driver_ops *driver;
1528 void *drv_priv;
1529
1530 driver = hapd_iface->bss[0]->driver;
1531 drv_priv = hapd_iface->bss[0]->drv_priv;
1532 wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
1533 __func__, driver, drv_priv);
1534 if (driver && driver->hapd_deinit && drv_priv) {
1535 driver->hapd_deinit(drv_priv);
1536 hapd_iface->bss[0]->drv_priv = NULL;
1537 }
1538 return -1;
1539 }
1540
1541 return 0;
1542 }
1543
1544
1545 int hostapd_reload_iface(struct hostapd_iface *hapd_iface)
1546 {
1547 size_t j;
1548
1549 wpa_printf(MSG_DEBUG, "Reload interface %s",
1550 hapd_iface->conf->bss[0]->iface);
1551 for (j = 0; j < hapd_iface->num_bss; j++)
1552 hostapd_set_security_params(hapd_iface->conf->bss[j]);
1553 if (hostapd_config_check(hapd_iface->conf) < 0) {
1554 wpa_printf(MSG_ERROR, "Updated configuration is invalid");
1555 return -1;
1556 }
1557 hostapd_clear_old(hapd_iface);
1558 for (j = 0; j < hapd_iface->num_bss; j++)
1559 hostapd_reload_bss(hapd_iface->bss[j]);
1560
1561 return 0;
1562 }
1563
1564
1565 int hostapd_disable_iface(struct hostapd_iface *hapd_iface)
1566 {
1567 size_t j;
1568 const struct wpa_driver_ops *driver;
1569 void *drv_priv;
1570
1571 if (hapd_iface == NULL)
1572 return -1;
1573 wpa_msg(hapd_iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
1574 driver = hapd_iface->bss[0]->driver;
1575 drv_priv = hapd_iface->bss[0]->drv_priv;
1576
1577 /* whatever hostapd_interface_deinit does */
1578 for (j = 0; j < hapd_iface->num_bss; j++) {
1579 struct hostapd_data *hapd = hapd_iface->bss[j];
1580 hostapd_free_stas(hapd);
1581 hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
1582 hostapd_clear_wep(hapd);
1583 hostapd_free_hapd_data(hapd);
1584 }
1585
1586 wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
1587 __func__, driver, drv_priv);
1588 if (driver && driver->hapd_deinit && drv_priv) {
1589 driver->hapd_deinit(drv_priv);
1590 hapd_iface->bss[0]->drv_priv = NULL;
1591 }
1592
1593 /* From hostapd_cleanup_iface: These were initialized in
1594 * hostapd_setup_interface and hostapd_setup_interface_complete
1595 */
1596 hostapd_cleanup_iface_partial(hapd_iface);
1597
1598 wpa_printf(MSG_DEBUG, "Interface %s disabled",
1599 hapd_iface->bss[0]->conf->iface);
1600 hostapd_set_state(hapd_iface, HAPD_IFACE_DISABLED);
1601 return 0;
1602 }
1603
1604
1605 static struct hostapd_iface *
1606 hostapd_iface_alloc(struct hapd_interfaces *interfaces)
1607 {
1608 struct hostapd_iface **iface, *hapd_iface;
1609
1610 iface = os_realloc_array(interfaces->iface, interfaces->count + 1,
1611 sizeof(struct hostapd_iface *));
1612 if (iface == NULL)
1613 return NULL;
1614 interfaces->iface = iface;
1615 hapd_iface = interfaces->iface[interfaces->count] =
1616 os_zalloc(sizeof(*hapd_iface));
1617 if (hapd_iface == NULL) {
1618 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
1619 "the interface", __func__);
1620 return NULL;
1621 }
1622 interfaces->count++;
1623 hapd_iface->interfaces = interfaces;
1624
1625 return hapd_iface;
1626 }
1627
1628
1629 static struct hostapd_config *
1630 hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname,
1631 const char *ctrl_iface)
1632 {
1633 struct hostapd_bss_config *bss;
1634 struct hostapd_config *conf;
1635
1636 /* Allocates memory for bss and conf */
1637 conf = hostapd_config_defaults();
1638 if (conf == NULL) {
1639 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
1640 "configuration", __func__);
1641 return NULL;
1642 }
1643
1644 conf->driver = wpa_drivers[0];
1645 if (conf->driver == NULL) {
1646 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
1647 hostapd_config_free(conf);
1648 return NULL;
1649 }
1650
1651 bss = conf->last_bss = conf->bss[0];
1652
1653 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
1654 bss->ctrl_interface = os_strdup(ctrl_iface);
1655 if (bss->ctrl_interface == NULL) {
1656 hostapd_config_free(conf);
1657 return NULL;
1658 }
1659
1660 /* Reading configuration file skipped, will be done in SET!
1661 * From reading the configuration till the end has to be done in
1662 * SET
1663 */
1664 return conf;
1665 }
1666
1667
1668 static struct hostapd_iface * hostapd_data_alloc(
1669 struct hapd_interfaces *interfaces, struct hostapd_config *conf)
1670 {
1671 size_t i;
1672 struct hostapd_iface *hapd_iface =
1673 interfaces->iface[interfaces->count - 1];
1674 struct hostapd_data *hapd;
1675
1676 hapd_iface->conf = conf;
1677 hapd_iface->num_bss = conf->num_bss;
1678
1679 hapd_iface->bss = os_zalloc(conf->num_bss *
1680 sizeof(struct hostapd_data *));
1681 if (hapd_iface->bss == NULL)
1682 return NULL;
1683
1684 for (i = 0; i < conf->num_bss; i++) {
1685 hapd = hapd_iface->bss[i] =
1686 hostapd_alloc_bss_data(hapd_iface, conf, conf->bss[i]);
1687 if (hapd == NULL)
1688 return NULL;
1689 hapd->msg_ctx = hapd;
1690 }
1691
1692 hapd_iface->interfaces = interfaces;
1693
1694 return hapd_iface;
1695 }
1696
1697
1698 int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf)
1699 {
1700 struct hostapd_config *conf = NULL;
1701 struct hostapd_iface *hapd_iface = NULL, *new_iface = NULL;
1702 struct hostapd_data *hapd;
1703 char *ptr;
1704 size_t i, j;
1705 const char *conf_file = NULL, *phy_name = NULL;
1706
1707 if (os_strncmp(buf, "bss_config=", 11) == 0) {
1708 char *pos;
1709 phy_name = buf + 11;
1710 pos = os_strchr(phy_name, ':');
1711 if (!pos)
1712 return -1;
1713 *pos++ = '\0';
1714 conf_file = pos;
1715 if (!os_strlen(conf_file))
1716 return -1;
1717
1718 hapd_iface = hostapd_interface_init_bss(interfaces, phy_name,
1719 conf_file, 0);
1720 if (!hapd_iface)
1721 return -1;
1722 for (j = 0; j < interfaces->count; j++) {
1723 if (interfaces->iface[j] == hapd_iface)
1724 break;
1725 }
1726 if (j == interfaces->count) {
1727 struct hostapd_iface **tmp;
1728 tmp = os_realloc_array(interfaces->iface,
1729 interfaces->count + 1,
1730 sizeof(struct hostapd_iface *));
1731 if (!tmp) {
1732 hostapd_interface_deinit_free(hapd_iface);
1733 return -1;
1734 }
1735 interfaces->iface = tmp;
1736 interfaces->iface[interfaces->count++] = hapd_iface;
1737 new_iface = hapd_iface;
1738 }
1739
1740 if (new_iface) {
1741 if (interfaces->driver_init(hapd_iface) ||
1742 hostapd_setup_interface(hapd_iface)) {
1743 interfaces->count--;
1744 goto fail;
1745 }
1746 } else {
1747 /* Assign new BSS with bss[0]'s driver info */
1748 hapd = hapd_iface->bss[hapd_iface->num_bss - 1];
1749 hapd->driver = hapd_iface->bss[0]->driver;
1750 hapd->drv_priv = hapd_iface->bss[0]->drv_priv;
1751 os_memcpy(hapd->own_addr, hapd_iface->bss[0]->own_addr,
1752 ETH_ALEN);
1753
1754 if (start_ctrl_iface_bss(hapd) < 0 ||
1755 hostapd_setup_bss(hapd, -1)) {
1756 hapd_iface->conf->num_bss--;
1757 hapd_iface->num_bss--;
1758 wpa_printf(MSG_DEBUG, "%s: free hapd %p %s",
1759 __func__, hapd, hapd->conf->iface);
1760 os_free(hapd);
1761 return -1;
1762 }
1763 }
1764 return 0;
1765 }
1766
1767 ptr = os_strchr(buf, ' ');
1768 if (ptr == NULL)
1769 return -1;
1770 *ptr++ = '\0';
1771
1772 if (os_strncmp(ptr, "config=", 7) == 0)
1773 conf_file = ptr + 7;
1774
1775 for (i = 0; i < interfaces->count; i++) {
1776 if (!os_strcmp(interfaces->iface[i]->conf->bss[0]->iface,
1777 buf)) {
1778 wpa_printf(MSG_INFO, "Cannot add interface - it "
1779 "already exists");
1780 return -1;
1781 }
1782 }
1783
1784 hapd_iface = hostapd_iface_alloc(interfaces);
1785 if (hapd_iface == NULL) {
1786 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
1787 "for interface", __func__);
1788 goto fail;
1789 }
1790
1791 if (conf_file && interfaces->config_read_cb) {
1792 conf = interfaces->config_read_cb(conf_file);
1793 if (conf && conf->bss)
1794 os_strlcpy(conf->bss[0]->iface, buf,
1795 sizeof(conf->bss[0]->iface));
1796 } else
1797 conf = hostapd_config_alloc(interfaces, buf, ptr);
1798 if (conf == NULL || conf->bss == NULL) {
1799 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
1800 "for configuration", __func__);
1801 goto fail;
1802 }
1803
1804 hapd_iface = hostapd_data_alloc(interfaces, conf);
1805 if (hapd_iface == NULL) {
1806 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
1807 "for hostapd", __func__);
1808 goto fail;
1809 }
1810
1811 if (start_ctrl_iface(hapd_iface) < 0)
1812 goto fail;
1813
1814 wpa_printf(MSG_INFO, "Add interface '%s'", conf->bss[0]->iface);
1815
1816 return 0;
1817
1818 fail:
1819 if (conf)
1820 hostapd_config_free(conf);
1821 if (hapd_iface) {
1822 if (hapd_iface->bss) {
1823 for (i = 0; i < hapd_iface->num_bss; i++) {
1824 hapd = hapd_iface->bss[i];
1825 if (hapd && hapd_iface->interfaces &&
1826 hapd_iface->interfaces->ctrl_iface_deinit)
1827 hapd_iface->interfaces->
1828 ctrl_iface_deinit(hapd);
1829 wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
1830 __func__, hapd_iface->bss[i],
1831 hapd_iface->bss[i]->conf->iface);
1832 os_free(hapd_iface->bss[i]);
1833 }
1834 os_free(hapd_iface->bss);
1835 }
1836 wpa_printf(MSG_DEBUG, "%s: free iface %p",
1837 __func__, hapd_iface);
1838 os_free(hapd_iface);
1839 }
1840 return -1;
1841 }
1842
1843
1844 static int hostapd_remove_bss(struct hostapd_iface *iface, unsigned int idx)
1845 {
1846 size_t i;
1847
1848 wpa_printf(MSG_INFO, "Remove BSS '%s'", iface->conf->bss[idx]->iface);
1849
1850 /* Remove hostapd_data only if it has already been initialized */
1851 if (idx < iface->num_bss) {
1852 struct hostapd_data *hapd = iface->bss[idx];
1853
1854 hostapd_free_stas(hapd);
1855 hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
1856 hostapd_clear_wep(hapd);
1857 hostapd_cleanup(hapd);
1858 wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
1859 __func__, hapd, hapd->conf->iface);
1860 hostapd_config_free_bss(hapd->conf);
1861 os_free(hapd);
1862
1863 iface->num_bss--;
1864
1865 for (i = idx; i < iface->num_bss; i++)
1866 iface->bss[i] = iface->bss[i + 1];
1867 } else {
1868 hostapd_config_free_bss(iface->conf->bss[idx]);
1869 iface->conf->bss[idx] = NULL;
1870 }
1871
1872 iface->conf->num_bss--;
1873 for (i = idx; i < iface->conf->num_bss; i++)
1874 iface->conf->bss[i] = iface->conf->bss[i + 1];
1875
1876 return 0;
1877 }
1878
1879
1880 int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf)
1881 {
1882 struct hostapd_iface *hapd_iface;
1883 size_t i, j, k = 0;
1884
1885 for (i = 0; i < interfaces->count; i++) {
1886 hapd_iface = interfaces->iface[i];
1887 if (hapd_iface == NULL)
1888 return -1;
1889 if (!os_strcmp(hapd_iface->conf->bss[0]->iface, buf)) {
1890 wpa_printf(MSG_INFO, "Remove interface '%s'", buf);
1891 hostapd_interface_deinit_free(hapd_iface);
1892 k = i;
1893 while (k < (interfaces->count - 1)) {
1894 interfaces->iface[k] =
1895 interfaces->iface[k + 1];
1896 k++;
1897 }
1898 interfaces->count--;
1899 return 0;
1900 }
1901
1902 for (j = 0; j < hapd_iface->conf->num_bss; j++) {
1903 if (!os_strcmp(hapd_iface->conf->bss[j]->iface, buf))
1904 return hostapd_remove_bss(hapd_iface, j);
1905 }
1906 }
1907 return -1;
1908 }
1909
1910
1911 /**
1912 * hostapd_new_assoc_sta - Notify that a new station associated with the AP
1913 * @hapd: Pointer to BSS data
1914 * @sta: Pointer to the associated STA data
1915 * @reassoc: 1 to indicate this was a re-association; 0 = first association
1916 *
1917 * This function will be called whenever a station associates with the AP. It
1918 * can be called from ieee802_11.c for drivers that export MLME to hostapd and
1919 * from drv_callbacks.c based on driver events for drivers that take care of
1920 * management frames (IEEE 802.11 authentication and association) internally.
1921 */
1922 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
1923 int reassoc)
1924 {
1925 if (hapd->tkip_countermeasures) {
1926 hostapd_drv_sta_deauth(hapd, sta->addr,
1927 WLAN_REASON_MICHAEL_MIC_FAILURE);
1928 return;
1929 }
1930
1931 hostapd_prune_associations(hapd, sta->addr);
1932
1933 /* IEEE 802.11F (IAPP) */
1934 if (hapd->conf->ieee802_11f)
1935 iapp_new_station(hapd->iapp, sta);
1936
1937 #ifdef CONFIG_P2P
1938 if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
1939 sta->no_p2p_set = 1;
1940 hapd->num_sta_no_p2p++;
1941 if (hapd->num_sta_no_p2p == 1)
1942 hostapd_p2p_non_p2p_sta_connected(hapd);
1943 }
1944 #endif /* CONFIG_P2P */
1945
1946 /* Start accounting here, if IEEE 802.1X and WPA are not used.
1947 * IEEE 802.1X/WPA code will start accounting after the station has
1948 * been authorized. */
1949 if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) {
1950 os_get_time(&sta->connected_time);
1951 accounting_sta_start(hapd, sta);
1952 }
1953
1954 /* Start IEEE 802.1X authentication process for new stations */
1955 ieee802_1x_new_station(hapd, sta);
1956 if (reassoc) {
1957 if (sta->auth_alg != WLAN_AUTH_FT &&
1958 !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
1959 wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
1960 } else
1961 wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
1962
1963 wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1964 "for " MACSTR " (%d seconds - ap_max_inactivity)",
1965 __func__, MAC2STR(sta->addr),
1966 hapd->conf->ap_max_inactivity);
1967 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1968 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
1969 ap_handle_timer, hapd, sta);
1970 }
1971
1972
1973 const char * hostapd_state_text(enum hostapd_iface_state s)
1974 {
1975 switch (s) {
1976 case HAPD_IFACE_UNINITIALIZED:
1977 return "UNINITIALIZED";
1978 case HAPD_IFACE_DISABLED:
1979 return "DISABLED";
1980 case HAPD_IFACE_COUNTRY_UPDATE:
1981 return "COUNTRY_UPDATE";
1982 case HAPD_IFACE_ACS:
1983 return "ACS";
1984 case HAPD_IFACE_HT_SCAN:
1985 return "HT_SCAN";
1986 case HAPD_IFACE_DFS:
1987 return "DFS";
1988 case HAPD_IFACE_ENABLED:
1989 return "ENABLED";
1990 }
1991
1992 return "UNKNOWN";
1993 }
1994
1995
1996 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s)
1997 {
1998 wpa_printf(MSG_INFO, "%s: interface state %s->%s",
1999 iface->conf->bss[0]->iface, hostapd_state_text(iface->state),
2000 hostapd_state_text(s));
2001 iface->state = s;
2002 }
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