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[netbsd-mini2440.git] / dist / wpa / hostapd / hostapd.c
blobe9d9647604f47e88f7f8ad988a3b1b1808817207
1 /*
2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15 #include "includes.h"
16 #ifndef CONFIG_NATIVE_WINDOWS
17 #include <syslog.h>
18 #endif /* CONFIG_NATIVE_WINDOWS */
19
20 #include "eloop.h"
21 #include "hostapd.h"
22 #include "ieee802_1x.h"
23 #include "ieee802_11.h"
24 #include "beacon.h"
25 #include "hw_features.h"
26 #include "accounting.h"
27 #include "eapol_sm.h"
28 #include "iapp.h"
29 #include "ap.h"
30 #include "ieee802_11_auth.h"
31 #include "ap_list.h"
32 #include "sta_info.h"
33 #include "driver.h"
34 #include "radius/radius_client.h"
35 #include "radius/radius_server.h"
36 #include "wpa.h"
37 #include "preauth.h"
38 #include "wme.h"
39 #include "vlan_init.h"
40 #include "ctrl_iface.h"
41 #include "tls.h"
42 #include "eap_server/eap_sim_db.h"
43 #include "eap_server/eap.h"
44 #include "eap_server/tncs.h"
45 #include "version.h"
46 #include "l2_packet/l2_packet.h"
47
48
49 static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
50 size_t identity_len, int phase2,
51 struct eap_user *user);
52
53 struct hapd_interfaces {
54 size_t count;
55 struct hostapd_iface **iface;
56 };
57
58 unsigned char rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
59
60
61 extern int wpa_debug_level;
62 extern int wpa_debug_show_keys;
63 extern int wpa_debug_timestamp;
64
65
66 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
67 int level, const char *txt, size_t len)
68 {
69 struct hostapd_data *hapd = ctx;
70 char *format, *module_str;
71 int maxlen;
72 int conf_syslog_level, conf_stdout_level;
73 unsigned int conf_syslog, conf_stdout;
74
75 maxlen = len + 100;
76 format = os_malloc(maxlen);
77 if (!format)
78 return;
79
80 if (hapd && hapd->conf) {
81 conf_syslog_level = hapd->conf->logger_syslog_level;
82 conf_stdout_level = hapd->conf->logger_stdout_level;
83 conf_syslog = hapd->conf->logger_syslog;
84 conf_stdout = hapd->conf->logger_stdout;
85 } else {
86 conf_syslog_level = conf_stdout_level = 0;
87 conf_syslog = conf_stdout = (unsigned int) -1;
88 }
89
90 switch (module) {
91 case HOSTAPD_MODULE_IEEE80211:
92 module_str = "IEEE 802.11";
93 break;
94 case HOSTAPD_MODULE_IEEE8021X:
95 module_str = "IEEE 802.1X";
96 break;
97 case HOSTAPD_MODULE_RADIUS:
98 module_str = "RADIUS";
99 break;
100 case HOSTAPD_MODULE_WPA:
101 module_str = "WPA";
102 break;
103 case HOSTAPD_MODULE_DRIVER:
104 module_str = "DRIVER";
105 break;
106 case HOSTAPD_MODULE_IAPP:
107 module_str = "IAPP";
108 break;
109 case HOSTAPD_MODULE_MLME:
110 module_str = "MLME";
111 break;
112 default:
113 module_str = NULL;
114 break;
115 }
116
117 if (hapd && hapd->conf && addr)
118 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
119 hapd->conf->iface, MAC2STR(addr),
120 module_str ? " " : "", module_str, txt);
121 else if (hapd && hapd->conf)
122 os_snprintf(format, maxlen, "%s:%s%s %s",
123 hapd->conf->iface, module_str ? " " : "",
124 module_str, txt);
125 else if (addr)
126 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
127 MAC2STR(addr), module_str ? " " : "",
128 module_str, txt);
129 else
130 os_snprintf(format, maxlen, "%s%s%s",
131 module_str, module_str ? ": " : "", txt);
132
133 if ((conf_stdout & module) && level >= conf_stdout_level) {
134 wpa_debug_print_timestamp();
135 printf("%s\n", format);
136 }
137
138 #ifndef CONFIG_NATIVE_WINDOWS
139 if ((conf_syslog & module) && level >= conf_syslog_level) {
140 int priority;
141 switch (level) {
142 case HOSTAPD_LEVEL_DEBUG_VERBOSE:
143 case HOSTAPD_LEVEL_DEBUG:
144 priority = LOG_DEBUG;
145 break;
146 case HOSTAPD_LEVEL_INFO:
147 priority = LOG_INFO;
148 break;
149 case HOSTAPD_LEVEL_NOTICE:
150 priority = LOG_NOTICE;
151 break;
152 case HOSTAPD_LEVEL_WARNING:
153 priority = LOG_WARNING;
154 break;
155 default:
156 priority = LOG_INFO;
157 break;
158 }
159 syslog(priority, "%s", format);
160 }
161 #endif /* CONFIG_NATIVE_WINDOWS */
162
163 os_free(format);
164 }
165
166
167 static void hostapd_deauth_all_stas(struct hostapd_data *hapd)
168 {
169 u8 addr[ETH_ALEN];
170
171 /* New Prism2.5/3 STA firmware versions seem to have issues with this
172 * broadcast deauth frame. This gets the firmware in odd state where
173 * nothing works correctly, so let's skip sending this for the hostap
174 * driver. */
175
176 if (hapd->driver && os_strcmp(hapd->driver->name, "hostap") != 0) {
177 os_memset(addr, 0xff, ETH_ALEN);
178 hostapd_sta_deauth(hapd, addr,
179 WLAN_REASON_PREV_AUTH_NOT_VALID);
180 }
181 }
182
183
184 /**
185 * hostapd_prune_associations - Remove extraneous associations
186 * @hapd: Pointer to BSS data for the most recent association
187 * @sta: Pointer to the associated STA data
188 *
189 * This function looks through all radios and BSS's for previous
190 * (stale) associations of STA. If any are found they are removed.
191 */
192 static void hostapd_prune_associations(struct hostapd_data *hapd,
193 struct sta_info *sta)
194 {
195 struct sta_info *osta;
196 struct hostapd_data *ohapd;
197 size_t i, j;
198 struct hapd_interfaces *interfaces = eloop_get_user_data();
199
200 for (i = 0; i < interfaces->count; i++) {
201 for (j = 0; j < interfaces->iface[i]->num_bss; j++) {
202 ohapd = interfaces->iface[i]->bss[j];
203 if (ohapd == hapd)
204 continue;
205 osta = ap_get_sta(ohapd, sta->addr);
206 if (!osta)
207 continue;
208
209 ap_sta_disassociate(ohapd, osta,
210 WLAN_REASON_UNSPECIFIED);
211 }
212 }
213 }
214
215
216 /**
217 * hostapd_new_assoc_sta - Notify that a new station associated with the AP
218 * @hapd: Pointer to BSS data
219 * @sta: Pointer to the associated STA data
220 * @reassoc: 1 to indicate this was a re-association; 0 = first association
221 *
222 * This function will be called whenever a station associates with the AP. It
223 * can be called for ieee802_11.c for drivers that export MLME to hostapd and
224 * from driver_*.c for drivers that take care of management frames (IEEE 802.11
225 * authentication and association) internally.
226 */
227 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
228 int reassoc)
229 {
230 if (hapd->tkip_countermeasures) {
231 hostapd_sta_deauth(hapd, sta->addr,
232 WLAN_REASON_MICHAEL_MIC_FAILURE);
233 return;
234 }
235
236 hostapd_prune_associations(hapd, sta);
237
238 /* IEEE 802.11F (IAPP) */
239 if (hapd->conf->ieee802_11f)
240 iapp_new_station(hapd->iapp, sta);
241
242 /* Start accounting here, if IEEE 802.1X and WPA are not used.
243 * IEEE 802.1X/WPA code will start accounting after the station has
244 * been authorized. */
245 if (!hapd->conf->ieee802_1x && !hapd->conf->wpa)
246 accounting_sta_start(hapd, sta);
247
248 hostapd_wme_sta_config(hapd, sta);
249
250 /* Start IEEE 802.1X authentication process for new stations */
251 ieee802_1x_new_station(hapd, sta);
252 if (reassoc) {
253 if (sta->auth_alg != WLAN_AUTH_FT)
254 wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
255 } else
256 wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
257 }
258
259
260 #ifdef EAP_SERVER
261 static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd,
262 struct sta_info *sta, void *ctx)
263 {
264 if (eapol_auth_eap_pending_cb(sta->eapol_sm, ctx) == 0)
265 return 1;
266 return 0;
267 }
268
269
270 static void hostapd_sim_db_cb(void *ctx, void *session_ctx)
271 {
272 struct hostapd_data *hapd = ctx;
273 if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0)
274 radius_server_eap_pending_cb(hapd->radius_srv, session_ctx);
275 }
276 #endif /* EAP_SERVER */
277
278
279 static void handle_term(int sig, void *eloop_ctx, void *signal_ctx)
280 {
281 printf("Signal %d received - terminating\n", sig);
282 eloop_terminate();
283 }
284
285
286 static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
287 struct wpa_auth_config *wconf)
288 {
289 wconf->wpa = conf->wpa;
290 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
291 wconf->wpa_pairwise = conf->wpa_pairwise;
292 wconf->wpa_group = conf->wpa_group;
293 wconf->wpa_group_rekey = conf->wpa_group_rekey;
294 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
295 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
296 wconf->rsn_pairwise = conf->rsn_pairwise;
297 wconf->rsn_preauth = conf->rsn_preauth;
298 wconf->eapol_version = conf->eapol_version;
299 wconf->peerkey = conf->peerkey;
300 wconf->wme_enabled = conf->wme_enabled;
301 wconf->okc = conf->okc;
302 #ifdef CONFIG_IEEE80211W
303 wconf->ieee80211w = conf->ieee80211w;
304 #endif /* CONFIG_IEEE80211W */
305 #ifdef CONFIG_IEEE80211R
306 wconf->ssid_len = conf->ssid.ssid_len;
307 if (wconf->ssid_len > SSID_LEN)
308 wconf->ssid_len = SSID_LEN;
309 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
310 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
311 MOBILITY_DOMAIN_ID_LEN);
312 if (conf->nas_identifier &&
313 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
314 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
315 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
316 wconf->r0_key_holder_len);
317 }
318 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
319 wconf->r0_key_lifetime = conf->r0_key_lifetime;
320 wconf->reassociation_deadline = conf->reassociation_deadline;
321 wconf->r0kh_list = conf->r0kh_list;
322 wconf->r1kh_list = conf->r1kh_list;
323 wconf->pmk_r1_push = conf->pmk_r1_push;
324 #endif /* CONFIG_IEEE80211R */
325 }
326
327
328 #ifndef CONFIG_NATIVE_WINDOWS
329 static void handle_reload(int sig, void *eloop_ctx, void *signal_ctx)
330 {
331 struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx;
332 struct hostapd_config *newconf;
333 size_t i;
334 struct wpa_auth_config wpa_auth_conf;
335
336 printf("Signal %d received - reloading configuration\n", sig);
337
338 for (i = 0; i < hapds->count; i++) {
339 struct hostapd_data *hapd = hapds->iface[i]->bss[0];
340 newconf = hostapd_config_read(hapds->iface[i]->config_fname);
341 if (newconf == NULL) {
342 printf("Failed to read new configuration file - "
343 "continuing with old.\n");
344 continue;
345 }
346 /* TODO: update dynamic data based on changed configuration
347 * items (e.g., open/close sockets, remove stations added to
348 * deny list, etc.) */
349 radius_client_flush(hapd->radius, 0);
350 hostapd_config_free(hapd->iconf);
351
352 hostapd_wpa_auth_conf(&newconf->bss[0], &wpa_auth_conf);
353 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
354
355 hapd->iconf = newconf;
356 hapd->conf = &newconf->bss[0];
357 hapds->iface[i]->conf = newconf;
358
359 if (hostapd_setup_wpa_psk(hapd->conf)) {
360 wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
361 "after reloading configuration");
362 }
363 }
364 }
365
366
367 #ifdef HOSTAPD_DUMP_STATE
368 static void hostapd_dump_state(struct hostapd_data *hapd)
369 {
370 FILE *f;
371 time_t now;
372 struct sta_info *sta;
373 int i;
374 char *buf;
375
376 if (!hapd->conf->dump_log_name) {
377 printf("Dump file not defined - ignoring dump request\n");
378 return;
379 }
380
381 printf("Dumping hostapd state to '%s'\n", hapd->conf->dump_log_name);
382 f = fopen(hapd->conf->dump_log_name, "w");
383 if (f == NULL) {
384 printf("Could not open dump file '%s' for writing.\n",
385 hapd->conf->dump_log_name);
386 return;
387 }
388
389 time(&now);
390 fprintf(f, "hostapd state dump - %s", ctime(&now));
391 fprintf(f, "num_sta=%d num_sta_non_erp=%d "
392 "num_sta_no_short_slot_time=%d\n"
393 "num_sta_no_short_preamble=%d\n",
394 hapd->num_sta, hapd->iface->num_sta_non_erp,
395 hapd->iface->num_sta_no_short_slot_time,
396 hapd->iface->num_sta_no_short_preamble);
397
398 for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
399 fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr));
400
401 fprintf(f,
402 " AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s%s%s\n"
403 " capability=0x%x listen_interval=%d\n",
404 sta->aid,
405 sta->flags,
406 (sta->flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
407 (sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
408 (sta->flags & WLAN_STA_PS ? "[PS]" : ""),
409 (sta->flags & WLAN_STA_TIM ? "[TIM]" : ""),
410 (sta->flags & WLAN_STA_PERM ? "[PERM]" : ""),
411 (sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" :
412 ""),
413 (sta->flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
414 ""),
415 (sta->flags & WLAN_STA_SHORT_PREAMBLE ?
416 "[SHORT_PREAMBLE]" : ""),
417 (sta->flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
418 (sta->flags & WLAN_STA_WME ? "[WME]" : ""),
419 (sta->flags & WLAN_STA_MFP ? "[MFP]" : ""),
420 (sta->flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
421 sta->capability,
422 sta->listen_interval);
423
424 fprintf(f, " supported_rates=");
425 for (i = 0; i < sta->supported_rates_len; i++)
426 fprintf(f, "%02x ", sta->supported_rates[i]);
427 fprintf(f, "\n");
428
429 fprintf(f,
430 " timeout_next=%s\n",
431 (sta->timeout_next == STA_NULLFUNC ? "NULLFUNC POLL" :
432 (sta->timeout_next == STA_DISASSOC ? "DISASSOC" :
433 "DEAUTH")));
434
435 ieee802_1x_dump_state(f, " ", sta);
436 }
437
438 buf = os_malloc(4096);
439 if (buf) {
440 int count = radius_client_get_mib(hapd->radius, buf, 4096);
441 if (count < 0)
442 count = 0;
443 else if (count > 4095)
444 count = 4095;
445 buf[count] = '\0';
446 fprintf(f, "%s", buf);
447
448 count = radius_server_get_mib(hapd->radius_srv, buf, 4096);
449 if (count < 0)
450 count = 0;
451 else if (count > 4095)
452 count = 4095;
453 buf[count] = '\0';
454 fprintf(f, "%s", buf);
455 os_free(buf);
456 }
457 fclose(f);
458 }
459 #endif /* HOSTAPD_DUMP_STATE */
460
461
462 static void handle_dump_state(int sig, void *eloop_ctx, void *signal_ctx)
463 {
464 #ifdef HOSTAPD_DUMP_STATE
465 struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx;
466 size_t i, j;
467
468 for (i = 0; i < hapds->count; i++) {
469 struct hostapd_iface *hapd_iface = hapds->iface[i];
470 for (j = 0; j < hapd_iface->num_bss; j++)
471 hostapd_dump_state(hapd_iface->bss[j]);
472 }
473 #endif /* HOSTAPD_DUMP_STATE */
474 }
475 #endif /* CONFIG_NATIVE_WINDOWS */
476
477 static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
478 char *ifname)
479 {
480 int i;
481
482 for (i = 0; i < NUM_WEP_KEYS; i++) {
483 if (hostapd_set_encryption(ifname, hapd, "none", NULL, i, NULL,
484 0, i == 0 ? 1 : 0)) {
485 printf("Failed to clear default encryption keys "
486 "(ifname=%s keyidx=%d)\n", ifname, i);
487 }
488 }
489 }
490
491
492 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
493 {
494 hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
495 return 0;
496 }
497
498
499 static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
500 {
501 int errors = 0, idx;
502 struct hostapd_ssid *ssid = &hapd->conf->ssid;
503
504 idx = ssid->wep.idx;
505 if (ssid->wep.default_len &&
506 hostapd_set_encryption(hapd->conf->iface,
507 hapd, "WEP", NULL, idx,
508 ssid->wep.key[idx],
509 ssid->wep.len[idx],
510 idx == ssid->wep.idx)) {
511 printf("Could not set WEP encryption.\n");
512 errors++;
513 }
514
515 if (ssid->dyn_vlan_keys) {
516 size_t i;
517 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
518 const char *ifname;
519 struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i];
520 if (key == NULL)
521 continue;
522 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan,
523 i);
524 if (ifname == NULL)
525 continue;
526
527 idx = key->idx;
528 if (hostapd_set_encryption(ifname, hapd, "WEP", NULL,
529 idx, key->key[idx],
530 key->len[idx],
531 idx == key->idx)) {
532 printf("Could not set dynamic VLAN WEP "
533 "encryption.\n");
534 errors++;
535 }
536 }
537 }
538
539 return errors;
540 }
541
542 /**
543 * hostapd_cleanup - Per-BSS cleanup (deinitialization)
544 * @hapd: Pointer to BSS data
545 *
546 * This function is used to free all per-BSS data structures and resources.
547 * This gets called in a loop for each BSS between calls to
548 * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface
549 * is deinitialized. Most of the modules that are initialized in
550 * hostapd_setup_bss() are deinitialized here.
551 */
552 static void hostapd_cleanup(struct hostapd_data *hapd)
553 {
554 hostapd_ctrl_iface_deinit(hapd);
555
556 os_free(hapd->default_wep_key);
557 hapd->default_wep_key = NULL;
558 iapp_deinit(hapd->iapp);
559 hapd->iapp = NULL;
560 accounting_deinit(hapd);
561 rsn_preauth_iface_deinit(hapd);
562 if (hapd->wpa_auth) {
563 wpa_deinit(hapd->wpa_auth);
564 hapd->wpa_auth = NULL;
565
566 if (hostapd_set_privacy(hapd, 0)) {
567 wpa_printf(MSG_DEBUG, "Could not disable "
568 "PrivacyInvoked for interface %s",
569 hapd->conf->iface);
570 }
571
572 if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
573 wpa_printf(MSG_DEBUG, "Could not remove generic "
574 "information element from interface %s",
575 hapd->conf->iface);
576 }
577 }
578 ieee802_1x_deinit(hapd);
579 vlan_deinit(hapd);
580 hostapd_acl_deinit(hapd);
581 radius_client_deinit(hapd->radius);
582 hapd->radius = NULL;
583 radius_server_deinit(hapd->radius_srv);
584 hapd->radius_srv = NULL;
585
586 #ifdef CONFIG_IEEE80211R
587 l2_packet_deinit(hapd->l2);
588 #endif /* CONFIG_IEEE80211R */
589
590 hostapd_wireless_event_deinit(hapd);
591
592 #ifdef EAP_TLS_FUNCS
593 if (hapd->ssl_ctx) {
594 tls_deinit(hapd->ssl_ctx);
595 hapd->ssl_ctx = NULL;
596 }
597 #endif /* EAP_TLS_FUNCS */
598
599 #ifdef EAP_SERVER
600 if (hapd->eap_sim_db_priv) {
601 eap_sim_db_deinit(hapd->eap_sim_db_priv);
602 hapd->eap_sim_db_priv = NULL;
603 }
604 #endif /* EAP_SERVER */
605
606 if (hapd->interface_added &&
607 hostapd_bss_remove(hapd, hapd->conf->iface)) {
608 printf("Failed to remove BSS interface %s\n",
609 hapd->conf->iface);
610 }
611 }
612
613
614 /**
615 * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup
616 * @iface: Pointer to interface data
617 *
618 * This function is called before per-BSS data structures are deinitialized
619 * with hostapd_cleanup().
620 */
621 static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface)
622 {
623 }
624
625
626 /**
627 * hostapd_cleanup_iface - Complete per-interface cleanup
628 * @iface: Pointer to interface data
629 *
630 * This function is called after per-BSS data structures are deinitialized
631 * with hostapd_cleanup().
632 */
633 static void hostapd_cleanup_iface(struct hostapd_iface *iface)
634 {
635 hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
636 iface->hw_features = NULL;
637 os_free(iface->current_rates);
638 iface->current_rates = NULL;
639 ap_list_deinit(iface);
640 hostapd_config_free(iface->conf);
641 iface->conf = NULL;
642
643 os_free(iface->config_fname);
644 os_free(iface->bss);
645 os_free(iface);
646 }
647
648
649 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
650 {
651 int i;
652
653 hostapd_broadcast_wep_set(hapd);
654
655 if (hapd->conf->ssid.wep.default_len)
656 return 0;
657
658 for (i = 0; i < 4; i++) {
659 if (hapd->conf->ssid.wep.key[i] &&
660 hostapd_set_encryption(iface, hapd, "WEP", NULL,
661 i, hapd->conf->ssid.wep.key[i],
662 hapd->conf->ssid.wep.len[i],
663 i == hapd->conf->ssid.wep.idx)) {
664 printf("Could not set WEP encryption.\n");
665 return -1;
666 }
667 if (hapd->conf->ssid.wep.key[i] &&
668 i == hapd->conf->ssid.wep.idx)
669 hostapd_set_privacy(hapd, 1);
670 }
671
672 return 0;
673 }
674
675
676 static int hostapd_flush_old_stations(struct hostapd_data *hapd)
677 {
678 int ret = 0;
679
680 wpa_printf(MSG_DEBUG, "Flushing old station entries");
681 if (hostapd_flush(hapd)) {
682 printf("Could not connect to kernel driver.\n");
683 ret = -1;
684 }
685 wpa_printf(MSG_DEBUG, "Deauthenticate all stations");
686 hostapd_deauth_all_stas(hapd);
687
688 return ret;
689 }
690
691
692 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
693 logger_level level, const char *txt)
694 {
695 struct hostapd_data *hapd = ctx;
696 int hlevel;
697
698 switch (level) {
699 case LOGGER_WARNING:
700 hlevel = HOSTAPD_LEVEL_WARNING;
701 break;
702 case LOGGER_INFO:
703 hlevel = HOSTAPD_LEVEL_INFO;
704 break;
705 case LOGGER_DEBUG:
706 default:
707 hlevel = HOSTAPD_LEVEL_DEBUG;
708 break;
709 }
710
711 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
712 }
713
714
715 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
716 u16 reason)
717 {
718 struct hostapd_data *hapd = ctx;
719 struct sta_info *sta;
720
721 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
722 "STA " MACSTR " reason %d",
723 __func__, MAC2STR(addr), reason);
724
725 sta = ap_get_sta(hapd, addr);
726 hostapd_sta_deauth(hapd, addr, reason);
727 if (sta == NULL)
728 return;
729 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_AUTHORIZED);
730 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
731 eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta);
732 sta->timeout_next = STA_REMOVE;
733 }
734
735
736 static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
737 {
738 struct hostapd_data *hapd = ctx;
739 ieee80211_michael_mic_failure(hapd, addr, 0);
740 }
741
742
743 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
744 wpa_eapol_variable var, int value)
745 {
746 struct hostapd_data *hapd = ctx;
747 struct sta_info *sta = ap_get_sta(hapd, addr);
748 if (sta == NULL)
749 return;
750 switch (var) {
751 case WPA_EAPOL_portEnabled:
752 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
753 break;
754 case WPA_EAPOL_portValid:
755 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
756 break;
757 case WPA_EAPOL_authorized:
758 ieee802_1x_set_sta_authorized(hapd, sta, value);
759 break;
760 case WPA_EAPOL_portControl_Auto:
761 if (sta->eapol_sm)
762 sta->eapol_sm->portControl = Auto;
763 break;
764 case WPA_EAPOL_keyRun:
765 if (sta->eapol_sm)
766 sta->eapol_sm->keyRun = value ? TRUE : FALSE;
767 break;
768 case WPA_EAPOL_keyAvailable:
769 if (sta->eapol_sm)
770 sta->eapol_sm->eap_if->eapKeyAvailable =
771 value ? TRUE : FALSE;
772 break;
773 case WPA_EAPOL_keyDone:
774 if (sta->eapol_sm)
775 sta->eapol_sm->keyDone = value ? TRUE : FALSE;
776 break;
777 case WPA_EAPOL_inc_EapolFramesTx:
778 if (sta->eapol_sm)
779 sta->eapol_sm->dot1xAuthEapolFramesTx++;
780 break;
781 }
782 }
783
784
785 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
786 wpa_eapol_variable var)
787 {
788 struct hostapd_data *hapd = ctx;
789 struct sta_info *sta = ap_get_sta(hapd, addr);
790 if (sta == NULL || sta->eapol_sm == NULL)
791 return -1;
792 switch (var) {
793 case WPA_EAPOL_keyRun:
794 return sta->eapol_sm->keyRun;
795 case WPA_EAPOL_keyAvailable:
796 return sta->eapol_sm->eap_if->eapKeyAvailable;
797 default:
798 return -1;
799 }
800 }
801
802
803 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
804 const u8 *prev_psk)
805 {
806 struct hostapd_data *hapd = ctx;
807 return hostapd_get_psk(hapd->conf, addr, prev_psk);
808 }
809
810
811 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
812 size_t *len)
813 {
814 struct hostapd_data *hapd = ctx;
815 const u8 *key;
816 size_t keylen;
817 struct sta_info *sta;
818
819 sta = ap_get_sta(hapd, addr);
820 if (sta == NULL)
821 return -1;
822
823 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
824 if (key == NULL)
825 return -1;
826
827 if (keylen > *len)
828 keylen = *len;
829 os_memcpy(msk, key, keylen);
830 *len = keylen;
831
832 return 0;
833 }
834
835
836 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, const char *alg,
837 const u8 *addr, int idx, u8 *key,
838 size_t key_len)
839 {
840 struct hostapd_data *hapd = ctx;
841 const char *ifname = hapd->conf->iface;
842
843 if (vlan_id > 0) {
844 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
845 if (ifname == NULL)
846 return -1;
847 }
848
849 return hostapd_set_encryption(ifname, hapd, alg, addr, idx,
850 key, key_len, 1);
851 }
852
853
854 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
855 u8 *seq)
856 {
857 struct hostapd_data *hapd = ctx;
858 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
859 }
860
861
862 static int hostapd_wpa_auth_get_seqnum_igtk(void *ctx, const u8 *addr, int idx,
863 u8 *seq)
864 {
865 struct hostapd_data *hapd = ctx;
866 return hostapd_get_seqnum_igtk(hapd->conf->iface, hapd, addr, idx,
867 seq);
868 }
869
870
871 static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
872 const u8 *data, size_t data_len,
873 int encrypt)
874 {
875 struct hostapd_data *hapd = ctx;
876 return hostapd_send_eapol(hapd, addr, data, data_len, encrypt);
877 }
878
879
880 static int hostapd_wpa_auth_for_each_sta(
881 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
882 void *cb_ctx)
883 {
884 struct hostapd_data *hapd = ctx;
885 struct sta_info *sta;
886
887 for (sta = hapd->sta_list; sta; sta = sta->next) {
888 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
889 return 1;
890 }
891 return 0;
892 }
893
894
895 static int hostapd_wpa_auth_for_each_auth(
896 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
897 void *cb_ctx)
898 {
899 struct hostapd_data *ohapd;
900 size_t i, j;
901 struct hapd_interfaces *interfaces = eloop_get_user_data();
902
903 for (i = 0; i < interfaces->count; i++) {
904 for (j = 0; j < interfaces->iface[i]->num_bss; j++) {
905 ohapd = interfaces->iface[i]->bss[j];
906 if (cb(ohapd->wpa_auth, cb_ctx))
907 return 1;
908 }
909 }
910
911 return 0;
912 }
913
914
915 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
916 const u8 *data, size_t data_len)
917 {
918 struct hostapd_data *hapd = ctx;
919
920 if (hapd->driver && hapd->driver->send_ether)
921 return hapd->driver->send_ether(hapd->drv_priv, dst,
922 hapd->own_addr, proto,
923 data, data_len);
924 if (hapd->l2 == NULL)
925 return -1;
926 return l2_packet_send(hapd->l2, dst, proto, data, data_len);
927 }
928
929
930 #ifdef CONFIG_IEEE80211R
931
932 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
933 const u8 *data, size_t data_len)
934 {
935 struct hostapd_data *hapd = ctx;
936 int res;
937 struct ieee80211_mgmt *m;
938 size_t mlen;
939 struct sta_info *sta;
940
941 sta = ap_get_sta(hapd, dst);
942 if (sta == NULL || sta->wpa_sm == NULL)
943 return -1;
944
945 m = os_zalloc(sizeof(*m) + data_len);
946 if (m == NULL)
947 return -1;
948 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
949 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
950 WLAN_FC_STYPE_ACTION);
951 os_memcpy(m->da, dst, ETH_ALEN);
952 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
953 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
954 os_memcpy(&m->u, data, data_len);
955
956 res = hostapd_send_mgmt_frame(hapd, (u8 *) m, mlen, 0);
957 os_free(m);
958 return res;
959 }
960
961
962 static struct wpa_state_machine *
963 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
964 {
965 struct hostapd_data *hapd = ctx;
966 struct sta_info *sta;
967
968 sta = ap_sta_add(hapd, sta_addr);
969 if (sta == NULL)
970 return NULL;
971 if (sta->wpa_sm)
972 return sta->wpa_sm;
973
974 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr);
975 if (sta->wpa_sm == NULL) {
976 ap_free_sta(hapd, sta);
977 return NULL;
978 }
979 sta->auth_alg = WLAN_AUTH_FT;
980
981 return sta->wpa_sm;
982 }
983
984
985 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
986 size_t len)
987 {
988 struct hostapd_data *hapd = ctx;
989 wpa_ft_rrb_rx(hapd->wpa_auth, src_addr, buf, len);
990 }
991
992 #endif /* CONFIG_IEEE80211R */
993
994
995 /**
996 * hostapd_validate_bssid_configuration - Validate BSSID configuration
997 * @iface: Pointer to interface data
998 * Returns: 0 on success, -1 on failure
999 *
1000 * This function is used to validate that the configured BSSIDs are valid.
1001 */
1002 static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
1003 {
1004 u8 mask[ETH_ALEN] = { 0 };
1005 struct hostapd_data *hapd = iface->bss[0];
1006 unsigned int i = iface->conf->num_bss, bits = 0, j;
1007 int res;
1008
1009 /* Generate BSSID mask that is large enough to cover the BSSIDs. */
1010
1011 /* Determine the bits necessary to cover the number of BSSIDs. */
1012 for (i--; i; i >>= 1)
1013 bits++;
1014
1015 /* Determine the bits necessary to any configured BSSIDs,
1016 if they are higher than the number of BSSIDs. */
1017 for (j = 0; j < iface->conf->num_bss; j++) {
1018 if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0)
1019 continue;
1020
1021 for (i = 0; i < ETH_ALEN; i++) {
1022 mask[i] |=
1023 iface->conf->bss[j].bssid[i] ^
1024 hapd->own_addr[i];
1025 }
1026 }
1027
1028 for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
1029 ;
1030 j = 0;
1031 if (i < ETH_ALEN) {
1032 j = (5 - i) * 8;
1033
1034 while (mask[i] != 0) {
1035 mask[i] >>= 1;
1036 j++;
1037 }
1038 }
1039
1040 if (bits < j)
1041 bits = j;
1042
1043 if (bits > 40)
1044 return -1;
1045
1046 os_memset(mask, 0xff, ETH_ALEN);
1047 j = bits / 8;
1048 for (i = 5; i > 5 - j; i--)
1049 mask[i] = 0;
1050 j = bits % 8;
1051 while (j--)
1052 mask[i] <<= 1;
1053
1054 wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
1055 (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
1056
1057 res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask);
1058 if (res == 0)
1059 return 0;
1060
1061 if (res < 0) {
1062 printf("Driver did not accept BSSID mask " MACSTR " for start "
1063 "address " MACSTR ".\n",
1064 MAC2STR(mask), MAC2STR(hapd->own_addr));
1065 return -1;
1066 }
1067
1068 for (i = 0; i < ETH_ALEN; i++) {
1069 if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
1070 printf("Invalid BSSID mask " MACSTR " for start "
1071 "address " MACSTR ".\n"
1072 "Start address must be the first address in the"
1073 " block (i.e., addr AND mask == addr).\n",
1074 MAC2STR(mask), MAC2STR(hapd->own_addr));
1075 return -1;
1076 }
1077 }
1078
1079 return 0;
1080 }
1081
1082
1083 static int mac_in_conf(struct hostapd_config *conf, const void *a)
1084 {
1085 size_t i;
1086
1087 for (i = 0; i < conf->num_bss; i++) {
1088 if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) {
1089 return 1;
1090 }
1091 }
1092
1093 return 0;
1094 }
1095
1096
1097 static int hostapd_setup_wpa(struct hostapd_data *hapd)
1098 {
1099 struct wpa_auth_config _conf;
1100 struct wpa_auth_callbacks cb;
1101 const u8 *wpa_ie;
1102 size_t wpa_ie_len;
1103
1104 hostapd_wpa_auth_conf(hapd->conf, &_conf);
1105 os_memset(&cb, 0, sizeof(cb));
1106 cb.ctx = hapd;
1107 cb.logger = hostapd_wpa_auth_logger;
1108 cb.disconnect = hostapd_wpa_auth_disconnect;
1109 cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report;
1110 cb.set_eapol = hostapd_wpa_auth_set_eapol;
1111 cb.get_eapol = hostapd_wpa_auth_get_eapol;
1112 cb.get_psk = hostapd_wpa_auth_get_psk;
1113 cb.get_msk = hostapd_wpa_auth_get_msk;
1114 cb.set_key = hostapd_wpa_auth_set_key;
1115 cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
1116 cb.get_seqnum_igtk = hostapd_wpa_auth_get_seqnum_igtk;
1117 cb.send_eapol = hostapd_wpa_auth_send_eapol;
1118 cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
1119 cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
1120 cb.send_ether = hostapd_wpa_auth_send_ether;
1121 #ifdef CONFIG_IEEE80211R
1122 cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
1123 cb.add_sta = hostapd_wpa_auth_add_sta;
1124 #endif /* CONFIG_IEEE80211R */
1125 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
1126 if (hapd->wpa_auth == NULL) {
1127 printf("WPA initialization failed.\n");
1128 return -1;
1129 }
1130
1131 if (hostapd_set_privacy(hapd, 1)) {
1132 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1133 "for interface %s", hapd->conf->iface);
1134 return -1;
1135 }
1136
1137 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1138 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1139 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1140 "the kernel driver.");
1141 return -1;
1142 }
1143
1144 if (rsn_preauth_iface_init(hapd)) {
1145 printf("Initialization of RSN pre-authentication "
1146 "failed.\n");
1147 return -1;
1148 }
1149
1150 return 0;
1151
1152 }
1153
1154
1155 static int hostapd_setup_radius_srv(struct hostapd_data *hapd,
1156 struct hostapd_bss_config *conf)
1157 {
1158 struct radius_server_conf srv;
1159 os_memset(&srv, 0, sizeof(srv));
1160 srv.client_file = conf->radius_server_clients;
1161 srv.auth_port = conf->radius_server_auth_port;
1162 srv.conf_ctx = conf;
1163 srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
1164 srv.ssl_ctx = hapd->ssl_ctx;
1165 srv.pac_opaque_encr_key = conf->pac_opaque_encr_key;
1166 srv.eap_fast_a_id = conf->eap_fast_a_id;
1167 srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
1168 srv.tnc = conf->tnc;
1169 srv.ipv6 = conf->radius_server_ipv6;
1170 srv.get_eap_user = hostapd_radius_get_eap_user;
1171
1172 hapd->radius_srv = radius_server_init(&srv);
1173 if (hapd->radius_srv == NULL) {
1174 printf("RADIUS server initialization failed.\n");
1175 return -1;
1176 }
1177
1178 return 0;
1179 }
1180
1181
1182 /**
1183 * hostapd_setup_bss - Per-BSS setup (initialization)
1184 * @hapd: Pointer to BSS data
1185 * @first: Whether this BSS is the first BSS of an interface
1186 *
1187 * This function is used to initialize all per-BSS data structures and
1188 * resources. This gets called in a loop for each BSS when an interface is
1189 * initialized. Most of the modules that are initialized here will be
1190 * deinitialized in hostapd_cleanup().
1191 */
1192 static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
1193 {
1194 struct hostapd_bss_config *conf = hapd->conf;
1195 u8 ssid[HOSTAPD_MAX_SSID_LEN + 1];
1196 int ssid_len, set_ssid;
1197
1198 if (!first) {
1199 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
1200 /* Allocate the next available BSSID. */
1201 do {
1202 inc_byte_array(hapd->own_addr, ETH_ALEN);
1203 } while (mac_in_conf(hapd->iconf, hapd->own_addr));
1204 } else {
1205 /* Allocate the configured BSSID. */
1206 os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN);
1207
1208 if (hostapd_mac_comp(hapd->own_addr,
1209 hapd->iface->bss[0]->own_addr) ==
1210 0) {
1211 printf("BSS '%s' may not have BSSID "
1212 "set to the MAC address of the radio\n",
1213 hapd->conf->iface);
1214 return -1;
1215 }
1216 }
1217
1218 hapd->interface_added = 1;
1219 if (hostapd_bss_add(hapd->iface->bss[0], hapd->conf->iface,
1220 hapd->own_addr)) {
1221 printf("Failed to add BSS (BSSID=" MACSTR ")\n",
1222 MAC2STR(hapd->own_addr));
1223 return -1;
1224 }
1225 }
1226
1227 /*
1228 * Fetch the SSID from the system and use it or,
1229 * if one was specified in the config file, verify they
1230 * match.
1231 */
1232 ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
1233 if (ssid_len < 0) {
1234 printf("Could not read SSID from system\n");
1235 return -1;
1236 }
1237 if (conf->ssid.ssid_set) {
1238 /*
1239 * If SSID is specified in the config file and it differs
1240 * from what is being used then force installation of the
1241 * new SSID.
1242 */
1243 set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
1244 os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
1245 } else {
1246 /*
1247 * No SSID in the config file; just use the one we got
1248 * from the system.
1249 */
1250 set_ssid = 0;
1251 conf->ssid.ssid_len = ssid_len;
1252 os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
1253 conf->ssid.ssid[conf->ssid.ssid_len] = '\0';
1254 }
1255
1256 printf("Using interface %s with hwaddr " MACSTR " and ssid '%s'\n",
1257 hapd->conf->iface, MAC2STR(hapd->own_addr),
1258 hapd->conf->ssid.ssid);
1259
1260 if (hostapd_setup_wpa_psk(conf)) {
1261 printf("WPA-PSK setup failed.\n");
1262 return -1;
1263 }
1264
1265 /* Set flag for whether SSID is broadcast in beacons */
1266 if (hostapd_set_broadcast_ssid(hapd,
1267 !!hapd->conf->ignore_broadcast_ssid)) {
1268 printf("Could not set broadcast SSID flag for kernel "
1269 "driver\n");
1270 return -1;
1271 }
1272
1273 if (hostapd_set_dtim_period(hapd, hapd->conf->dtim_period)) {
1274 printf("Could not set DTIM period for kernel driver\n");
1275 return -1;
1276 }
1277
1278 /* Set SSID for the kernel driver (to be used in beacon and probe
1279 * response frames) */
1280 if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid,
1281 conf->ssid.ssid_len)) {
1282 printf("Could not set SSID for kernel driver\n");
1283 return -1;
1284 }
1285
1286 if (wpa_debug_level == MSG_MSGDUMP)
1287 conf->radius->msg_dumps = 1;
1288 hapd->radius = radius_client_init(hapd, conf->radius);
1289 if (hapd->radius == NULL) {
1290 printf("RADIUS client initialization failed.\n");
1291 return -1;
1292 }
1293
1294 if (hostapd_acl_init(hapd)) {
1295 printf("ACL initialization failed.\n");
1296 return -1;
1297 }
1298
1299 if (ieee802_1x_init(hapd)) {
1300 printf("IEEE 802.1X initialization failed.\n");
1301 return -1;
1302 }
1303
1304 if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
1305 return -1;
1306
1307 if (accounting_init(hapd)) {
1308 printf("Accounting initialization failed.\n");
1309 return -1;
1310 }
1311
1312 if (hapd->conf->ieee802_11f &&
1313 (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
1314 printf("IEEE 802.11F (IAPP) initialization failed.\n");
1315 return -1;
1316 }
1317
1318 if (hostapd_ctrl_iface_init(hapd)) {
1319 printf("Failed to setup control interface\n");
1320 return -1;
1321 }
1322
1323 if (vlan_init(hapd)) {
1324 printf("VLAN initialization failed.\n");
1325 return -1;
1326 }
1327
1328 #ifdef CONFIG_IEEE80211R
1329 hapd->l2 = l2_packet_init(hapd->conf->iface, NULL, ETH_P_RRB,
1330 hostapd_rrb_receive, hapd, 0);
1331 if (hapd->l2 == NULL &&
1332 (hapd->driver == NULL || hapd->driver->send_ether == NULL)) {
1333 printf("Failed to open l2_packet interface\n");
1334 return -1;
1335 }
1336 #endif /* CONFIG_IEEE80211R */
1337
1338 ieee802_11_set_beacon(hapd);
1339
1340 if (conf->radius_server_clients &&
1341 hostapd_setup_radius_srv(hapd, conf))
1342 return -1;
1343
1344 return 0;
1345 }
1346
1347
1348 /**
1349 * setup_interface2 - Setup (initialize) an interface (part 2)
1350 * @iface: Pointer to interface data.
1351 * Returns: 0 on success; -1 on failure.
1352 *
1353 * Flushes old stations, sets the channel, DFS parameters, encryption,
1354 * beacons, and WDS links based on the configuration.
1355 */
1356 static int setup_interface2(struct hostapd_iface *iface)
1357 {
1358 struct hostapd_data *hapd = iface->bss[0];
1359 int freq;
1360 size_t j;
1361 int ret = 0;
1362 u8 *prev_addr;
1363
1364 hostapd_flush_old_stations(hapd);
1365 hostapd_set_privacy(hapd, 0);
1366
1367 if (hapd->iconf->channel) {
1368 freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
1369 printf("Mode: %s Channel: %d Frequency: %d MHz\n",
1370 hostapd_hw_mode_txt(hapd->iconf->hw_mode),
1371 hapd->iconf->channel, freq);
1372
1373 if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, freq)) {
1374 printf("Could not set channel for kernel driver\n");
1375 return -1;
1376 }
1377 }
1378
1379 hostapd_broadcast_wep_clear(hapd);
1380 if (hostapd_setup_encryption(hapd->conf->iface, hapd))
1381 return -1;
1382
1383 hostapd_set_beacon_int(hapd, hapd->iconf->beacon_int);
1384 ieee802_11_set_beacon(hapd);
1385
1386 if (hapd->iconf->rts_threshold > -1 &&
1387 hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
1388 printf("Could not set RTS threshold for kernel driver\n");
1389 return -1;
1390 }
1391
1392 if (hapd->iconf->fragm_threshold > -1 &&
1393 hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
1394 printf("Could not set fragmentation threshold for kernel "
1395 "driver\n");
1396 return -1;
1397 }
1398
1399 prev_addr = hapd->own_addr;
1400
1401 for (j = 0; j < iface->num_bss; j++) {
1402 hapd = iface->bss[j];
1403 if (j)
1404 os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
1405 if (hostapd_setup_bss(hapd, j == 0))
1406 return -1;
1407 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
1408 prev_addr = hapd->own_addr;
1409 }
1410
1411 ap_list_init(iface);
1412
1413 if (hostapd_driver_commit(hapd) < 0) {
1414 wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
1415 "configuration", __func__);
1416 return -1;
1417 }
1418
1419 return ret;
1420 }
1421
1422
1423 static void setup_interface_start(void *eloop_data, void *user_ctx);
1424 static void setup_interface2_handler(void *eloop_data, void *user_ctx);
1425
1426 /**
1427 * setup_interface_finalize - Finish setup interface & call the callback
1428 * @iface: Pointer to interface data.
1429 * @status: Status of the setup interface (0 on success; -1 on failure).
1430 * Returns: 0 on success; -1 on failure (e.g., was not in progress).
1431 */
1432 static int setup_interface_finalize(struct hostapd_iface *iface, int status)
1433 {
1434 hostapd_iface_cb cb;
1435
1436 if (!iface->setup_cb)
1437 return -1;
1438
1439 eloop_cancel_timeout(setup_interface_start, iface, NULL);
1440 eloop_cancel_timeout(setup_interface2_handler, iface, NULL);
1441 hostapd_select_hw_mode_stop(iface);
1442
1443 cb = iface->setup_cb;
1444
1445 iface->setup_cb = NULL;
1446
1447 cb(iface, status);
1448
1449 return 0;
1450 }
1451
1452
1453 /**
1454 * setup_interface2_wrapper - Wrapper for setup_interface2()
1455 * @iface: Pointer to interface data.
1456 * @status: Status of the hw mode select.
1457 *
1458 * Wrapper for setup_interface2() to calls finalize function upon completion.
1459 */
1460 static void setup_interface2_wrapper(struct hostapd_iface *iface, int status)
1461 {
1462 int ret = status;
1463 if (ret)
1464 printf("Could not select hw_mode and channel. (%d)\n", ret);
1465 else
1466 ret = setup_interface2(iface);
1467
1468 setup_interface_finalize(iface, ret);
1469 }
1470
1471
1472 /**
1473 * setup_interface2_handler - Used for immediate call of setup_interface2
1474 * @eloop_data: Stores the struct hostapd_iface * for the interface.
1475 * @user_ctx: Unused.
1476 */
1477 static void setup_interface2_handler(void *eloop_data, void *user_ctx)
1478 {
1479 struct hostapd_iface *iface = eloop_data;
1480
1481 setup_interface2_wrapper(iface, 0);
1482 }
1483
1484
1485 static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
1486 size_t identity_len, int phase2,
1487 struct eap_user *user)
1488 {
1489 const struct hostapd_eap_user *eap_user;
1490 int i, count;
1491
1492 eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
1493 if (eap_user == NULL)
1494 return -1;
1495
1496 if (user == NULL)
1497 return 0;
1498
1499 os_memset(user, 0, sizeof(*user));
1500 count = EAP_USER_MAX_METHODS;
1501 if (count > EAP_MAX_METHODS)
1502 count = EAP_MAX_METHODS;
1503 for (i = 0; i < count; i++) {
1504 user->methods[i].vendor = eap_user->methods[i].vendor;
1505 user->methods[i].method = eap_user->methods[i].method;
1506 }
1507
1508 if (eap_user->password) {
1509 user->password = os_malloc(eap_user->password_len);
1510 if (user->password == NULL)
1511 return -1;
1512 os_memcpy(user->password, eap_user->password,
1513 eap_user->password_len);
1514 user->password_len = eap_user->password_len;
1515 user->password_hash = eap_user->password_hash;
1516 }
1517 user->force_version = eap_user->force_version;
1518 user->ttls_auth = eap_user->ttls_auth;
1519
1520 return 0;
1521 }
1522
1523
1524 /**
1525 * setup_interface1 - Setup (initialize) an interface (part 1)
1526 * @iface: Pointer to interface data
1527 * Returns: 0 on success, -1 on failure
1528 *
1529 * Initializes the driver interface, validates the configuration,
1530 * and sets driver parameters based on the configuration.
1531 * Schedules setup_interface2() to be called immediately or after
1532 * hardware mode setup takes place.
1533 */
1534 static int setup_interface1(struct hostapd_iface *iface)
1535 {
1536 struct hostapd_data *hapd = iface->bss[0];
1537 struct hostapd_bss_config *conf = hapd->conf;
1538 size_t i;
1539 char country[4];
1540 u8 *b = conf->bssid;
1541
1542 /*
1543 * Initialize the driver interface and make sure that all BSSes get
1544 * configured with a pointer to this driver interface.
1545 */
1546 if (b[0] | b[1] | b[2] | b[3] | b[4] | b[5]) {
1547 hapd->drv_priv = hostapd_driver_init_bssid(hapd, b);
1548 } else {
1549 hapd->drv_priv = hostapd_driver_init(hapd);
1550 }
1551
1552 if (hapd->drv_priv == NULL) {
1553 printf("%s driver initialization failed.\n",
1554 hapd->driver ? hapd->driver->name : "Unknown");
1555 hapd->driver = NULL;
1556 return -1;
1557 }
1558 for (i = 0; i < iface->num_bss; i++) {
1559 iface->bss[i]->driver = hapd->driver;
1560 iface->bss[i]->drv_priv = hapd->drv_priv;
1561 }
1562
1563 if (hostapd_validate_bssid_configuration(iface))
1564 return -1;
1565
1566 os_memcpy(country, hapd->iconf->country, 3);
1567 country[3] = '\0';
1568 if (hostapd_set_country(hapd, country) < 0) {
1569 printf("Failed to set country code\n");
1570 return -1;
1571 }
1572
1573 if (hapd->iconf->ieee80211d || hapd->iconf->ieee80211h) {
1574 if (hostapd_set_ieee80211d(hapd, 1) < 0) {
1575 printf("Failed to set ieee80211d (%d)\n",
1576 hapd->iconf->ieee80211d);
1577 return -1;
1578 }
1579 }
1580
1581 if (hapd->iconf->bridge_packets != INTERNAL_BRIDGE_DO_NOT_CONTROL &&
1582 hostapd_set_internal_bridge(hapd, hapd->iconf->bridge_packets)) {
1583 printf("Failed to set bridge_packets for kernel driver\n");
1584 return -1;
1585 }
1586
1587 /* TODO: merge with hostapd_driver_init() ? */
1588 if (hostapd_wireless_event_init(hapd) < 0)
1589 return -1;
1590
1591 if (hostapd_get_hw_features(iface)) {
1592 /* Not all drivers support this yet, so continue without hw
1593 * feature data. */
1594 } else {
1595 return hostapd_select_hw_mode_start(iface,
1596 setup_interface2_wrapper);
1597 }
1598
1599 eloop_register_timeout(0, 0, setup_interface2_handler, iface, NULL);
1600 return 0;
1601 }
1602
1603
1604 /**
1605 * setup_interface_start - Handler to start setup interface
1606 * @eloop_data: Stores the struct hostapd_iface * for the interface.
1607 * @user_ctx: Unused.
1608 *
1609 * An eloop handler is used so that all errors can be processed by the
1610 * callback without introducing stack recursion.
1611 */
1612 static void setup_interface_start(void *eloop_data, void *user_ctx)
1613 {
1614 struct hostapd_iface *iface = eloop_data;
1615
1616 int ret;
1617
1618 ret = setup_interface1(iface);
1619 if (ret)
1620 setup_interface_finalize(iface, ret);
1621 }
1622
1623
1624 /**
1625 * hostapd_setup_interface_start - Start the setup of an interface
1626 * @iface: Pointer to interface data.
1627 * @cb: The function to callback when done.
1628 * Returns: 0 if it starts successfully; cb will be called when done.
1629 * -1 on failure; cb will not be called.
1630 *
1631 * Initializes the driver interface, validates the configuration,
1632 * and sets driver parameters based on the configuration.
1633 * Flushes old stations, sets the channel, DFS parameters, encryption,
1634 * beacons, and WDS links based on the configuration.
1635 */
1636 int hostapd_setup_interface_start(struct hostapd_iface *iface,
1637 hostapd_iface_cb cb)
1638 {
1639 if (iface->setup_cb) {
1640 wpa_printf(MSG_DEBUG,
1641 "%s: Interface setup already in progress.\n",
1642 iface->bss[0]->conf->iface);
1643 return -1;
1644 }
1645
1646 iface->setup_cb = cb;
1647
1648 eloop_register_timeout(0, 0, setup_interface_start, iface, NULL);
1649
1650 return 0;
1651 }
1652
1653
1654 /**
1655 * hostapd_setup_interace_stop - Stops the setup of an interface
1656 * @iface: Pointer to interface data
1657 * Returns: 0 if successfully stopped;
1658 * -1 on failure (i.e., was not in progress)
1659 */
1660 int hostapd_setup_interface_stop(struct hostapd_iface *iface)
1661 {
1662 return setup_interface_finalize(iface, -1);
1663 }
1664
1665
1666 static void show_version(void)
1667 {
1668 fprintf(stderr,
1669 "hostapd v" VERSION_STR "\n"
1670 "User space daemon for IEEE 802.11 AP management,\n"
1671 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
1672 "Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> "
1673 "and contributors\n");
1674 }
1675
1676
1677 static void usage(void)
1678 {
1679 show_version();
1680 fprintf(stderr,
1681 "\n"
1682 "usage: hostapd [-hdBKtv] [-P <PID file>] "
1683 "<configuration file(s)>\n"
1684 "\n"
1685 "options:\n"
1686 " -h show this usage\n"
1687 " -d show more debug messages (-dd for even more)\n"
1688 " -B run daemon in the background\n"
1689 " -P PID file\n"
1690 " -K include key data in debug messages\n"
1691 " -t include timestamps in some debug messages\n"
1692 " -v show hostapd version\n");
1693
1694 exit(1);
1695 }
1696
1697
1698 /**
1699 * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
1700 * @hapd_iface: Pointer to interface data
1701 * @conf: Pointer to per-interface configuration
1702 * @bss: Pointer to per-BSS configuration for this BSS
1703 * Returns: Pointer to allocated BSS data
1704 *
1705 * This function is used to allocate per-BSS data structure. This data will be
1706 * freed after hostapd_cleanup() is called for it during interface
1707 * deinitialization.
1708 */
1709 static struct hostapd_data *
1710 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
1711 struct hostapd_config *conf,
1712 struct hostapd_bss_config *bss)
1713 {
1714 struct hostapd_data *hapd;
1715
1716 hapd = os_zalloc(sizeof(*hapd));
1717 if (hapd == NULL)
1718 return NULL;
1719
1720 hapd->iconf = conf;
1721 hapd->conf = bss;
1722 hapd->iface = hapd_iface;
1723
1724 if (hapd->conf->individual_wep_key_len > 0) {
1725 /* use key0 in individual key and key1 in broadcast key */
1726 hapd->default_wep_key_idx = 1;
1727 }
1728
1729 #ifdef EAP_TLS_FUNCS
1730 if (hapd->conf->eap_server &&
1731 (hapd->conf->ca_cert || hapd->conf->server_cert ||
1732 hapd->conf->dh_file)) {
1733 struct tls_connection_params params;
1734
1735 hapd->ssl_ctx = tls_init(NULL);
1736 if (hapd->ssl_ctx == NULL) {
1737 printf("Failed to initialize TLS\n");
1738 goto fail;
1739 }
1740
1741 os_memset(&params, 0, sizeof(params));
1742 params.ca_cert = hapd->conf->ca_cert;
1743 params.client_cert = hapd->conf->server_cert;
1744 params.private_key = hapd->conf->private_key;
1745 params.private_key_passwd = hapd->conf->private_key_passwd;
1746 params.dh_file = hapd->conf->dh_file;
1747
1748 if (tls_global_set_params(hapd->ssl_ctx, &params)) {
1749 printf("Failed to set TLS parameters\n");
1750 goto fail;
1751 }
1752
1753 if (tls_global_set_verify(hapd->ssl_ctx,
1754 hapd->conf->check_crl)) {
1755 printf("Failed to enable check_crl\n");
1756 goto fail;
1757 }
1758 }
1759 #endif /* EAP_TLS_FUNCS */
1760
1761 #ifdef EAP_SERVER
1762 if (hapd->conf->eap_sim_db) {
1763 hapd->eap_sim_db_priv =
1764 eap_sim_db_init(hapd->conf->eap_sim_db,
1765 hostapd_sim_db_cb, hapd);
1766 if (hapd->eap_sim_db_priv == NULL) {
1767 printf("Failed to initialize EAP-SIM database "
1768 "interface\n");
1769 goto fail;
1770 }
1771 }
1772 #endif /* EAP_SERVER */
1773
1774 if (hapd->conf->assoc_ap)
1775 hapd->assoc_ap_state = WAIT_BEACON;
1776
1777 hapd->driver = hapd->iconf->driver;
1778
1779 return hapd;
1780
1781 #if defined(EAP_TLS_FUNCS) || defined(EAP_SERVER)
1782 fail:
1783 #endif
1784 /* TODO: cleanup allocated resources(?) */
1785 os_free(hapd);
1786 return NULL;
1787 }
1788
1789
1790 /**
1791 * hostapd_init - Allocate and initialize per-interface data
1792 * @config_file: Path to the configuration file
1793 * Returns: Pointer to the allocated interface data or %NULL on failure
1794 *
1795 * This function is used to allocate main data structures for per-interface
1796 * data. The allocated data buffer will be freed by calling
1797 * hostapd_cleanup_iface().
1798 */
1799 static struct hostapd_iface * hostapd_init(const char *config_file)
1800 {
1801 struct hostapd_iface *hapd_iface = NULL;
1802 struct hostapd_config *conf = NULL;
1803 struct hostapd_data *hapd;
1804 size_t i;
1805
1806 hapd_iface = os_zalloc(sizeof(*hapd_iface));
1807 if (hapd_iface == NULL)
1808 goto fail;
1809
1810 hapd_iface->config_fname = os_strdup(config_file);
1811 if (hapd_iface->config_fname == NULL)
1812 goto fail;
1813
1814 conf = hostapd_config_read(hapd_iface->config_fname);
1815 if (conf == NULL)
1816 goto fail;
1817 hapd_iface->conf = conf;
1818
1819 hapd_iface->num_bss = conf->num_bss;
1820 hapd_iface->bss = os_zalloc(conf->num_bss *
1821 sizeof(struct hostapd_data *));
1822 if (hapd_iface->bss == NULL)
1823 goto fail;
1824
1825 for (i = 0; i < conf->num_bss; i++) {
1826 hapd = hapd_iface->bss[i] =
1827 hostapd_alloc_bss_data(hapd_iface, conf,
1828 &conf->bss[i]);
1829 if (hapd == NULL)
1830 goto fail;
1831 }
1832
1833 return hapd_iface;
1834
1835 fail:
1836 if (conf)
1837 hostapd_config_free(conf);
1838 if (hapd_iface) {
1839 for (i = 0; hapd_iface->bss && i < hapd_iface->num_bss; i++) {
1840 hapd = hapd_iface->bss[i];
1841 if (hapd && hapd->ssl_ctx)
1842 tls_deinit(hapd->ssl_ctx);
1843 }
1844
1845 os_free(hapd_iface->config_fname);
1846 os_free(hapd_iface->bss);
1847 os_free(hapd_iface);
1848 }
1849 return NULL;
1850 }
1851
1852
1853 /**
1854 * register_drivers - Register driver interfaces
1855 *
1856 * This function is generated by Makefile (into driver_conf.c) to call all
1857 * configured driver interfaces to register them to core hostapd.
1858 */
1859 void register_drivers(void);
1860
1861
1862 /**
1863 * setup_interface_done - Callback when an interface is done being setup.
1864 * @iface: Pointer to interface data.
1865 * @status: Status of the interface setup (0 on success; -1 on failure).
1866 */
1867 static void setup_interface_done(struct hostapd_iface *iface, int status)
1868 {
1869 if (status) {
1870 wpa_printf(MSG_DEBUG, "%s: Unable to setup interface.",
1871 iface->bss[0]->conf->iface);
1872 eloop_terminate();
1873 } else
1874 wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
1875 iface->bss[0]->conf->iface);
1876 }
1877
1878
1879 int main(int argc, char *argv[])
1880 {
1881 struct hapd_interfaces interfaces;
1882 int ret = 1, k;
1883 size_t i, j;
1884 int c, debug = 0, daemonize = 0, tnc = 0;
1885 const char *pid_file = NULL;
1886
1887 hostapd_logger_register_cb(hostapd_logger_cb);
1888
1889 for (;;) {
1890 c = getopt(argc, argv, "BdhKP:tv");
1891 if (c < 0)
1892 break;
1893 switch (c) {
1894 case 'h':
1895 usage();
1896 break;
1897 case 'd':
1898 debug++;
1899 if (wpa_debug_level > 0)
1900 wpa_debug_level--;
1901 break;
1902 case 'B':
1903 daemonize++;
1904 break;
1905 case 'K':
1906 wpa_debug_show_keys++;
1907 break;
1908 case 'P':
1909 pid_file = optarg;
1910 break;
1911 case 't':
1912 wpa_debug_timestamp++;
1913 break;
1914 case 'v':
1915 show_version();
1916 exit(1);
1917 break;
1918
1919 default:
1920 usage();
1921 break;
1922 }
1923 }
1924
1925 if (optind == argc)
1926 usage();
1927
1928 if (eap_server_register_methods()) {
1929 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1930 return -1;
1931 }
1932
1933 interfaces.count = argc - optind;
1934
1935 interfaces.iface = os_malloc(interfaces.count *
1936 sizeof(struct hostapd_iface *));
1937 if (interfaces.iface == NULL) {
1938 wpa_printf(MSG_ERROR, "malloc failed\n");
1939 return -1;
1940 }
1941
1942 if (eloop_init(&interfaces)) {
1943 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1944 return -1;
1945 }
1946
1947 #ifndef CONFIG_NATIVE_WINDOWS
1948 eloop_register_signal(SIGHUP, handle_reload, NULL);
1949 eloop_register_signal(SIGUSR1, handle_dump_state, NULL);
1950 #endif /* CONFIG_NATIVE_WINDOWS */
1951 eloop_register_signal_terminate(handle_term, NULL);
1952
1953 /* Initialize interfaces */
1954 for (i = 0; i < interfaces.count; i++) {
1955 printf("Configuration file: %s\n", argv[optind + i]);
1956 interfaces.iface[i] = hostapd_init(argv[optind + i]);
1957 if (!interfaces.iface[i])
1958 goto out;
1959 for (k = 0; k < debug; k++) {
1960 if (interfaces.iface[i]->bss[0]->conf->
1961 logger_stdout_level > 0)
1962 interfaces.iface[i]->bss[0]->conf->
1963 logger_stdout_level--;
1964 }
1965
1966 ret = hostapd_setup_interface_start(interfaces.iface[i],
1967 setup_interface_done);
1968 if (ret)
1969 goto out;
1970
1971 for (k = 0; k < (int) interfaces.iface[i]->num_bss; k++) {
1972 if (interfaces.iface[i]->bss[0]->conf->tnc)
1973 tnc++;
1974 }
1975 }
1976
1977 #ifdef EAP_TNC
1978 if (tnc && tncs_global_init() < 0) {
1979 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
1980 goto out;
1981 }
1982 #endif /* EAP_TNC */
1983
1984 if (daemonize && os_daemonize(pid_file)) {
1985 perror("daemon");
1986 goto out;
1987 }
1988
1989 #ifndef CONFIG_NATIVE_WINDOWS
1990 openlog("hostapd", 0, LOG_DAEMON);
1991 #endif /* CONFIG_NATIVE_WINDOWS */
1992
1993 eloop_run();
1994
1995 /* Disconnect associated stations from all interfaces and BSSes */
1996 for (i = 0; i < interfaces.count; i++) {
1997 for (j = 0; j < interfaces.iface[i]->num_bss; j++) {
1998 struct hostapd_data *hapd =
1999 interfaces.iface[i]->bss[j];
2000 hostapd_free_stas(hapd);
2001 hostapd_flush_old_stations(hapd);
2002 }
2003 }
2004
2005 ret = 0;
2006
2007 out:
2008 /* Deinitialize all interfaces */
2009 for (i = 0; i < interfaces.count; i++) {
2010 if (!interfaces.iface[i])
2011 continue;
2012 hostapd_setup_interface_stop(interfaces.iface[i]);
2013 hostapd_cleanup_iface_pre(interfaces.iface[i]);
2014 for (j = 0; j < interfaces.iface[i]->num_bss; j++) {
2015 struct hostapd_data *hapd =
2016 interfaces.iface[i]->bss[j];
2017 hostapd_cleanup(hapd);
2018 if (j == interfaces.iface[i]->num_bss - 1 &&
2019 hapd->driver)
2020 hostapd_driver_deinit(hapd);
2021 }
2022 for (j = 0; j < interfaces.iface[i]->num_bss; j++)
2023 os_free(interfaces.iface[i]->bss[j]);
2024 hostapd_cleanup_iface(interfaces.iface[i]);
2025 }
2026 os_free(interfaces.iface);
2027
2028 #ifdef EAP_TNC
2029 tncs_global_deinit();
2030 #endif /* EAP_TNC */
2031
2032 eloop_destroy();
2033
2034 #ifndef CONFIG_NATIVE_WINDOWS
2035 closelog();
2036 #endif /* CONFIG_NATIVE_WINDOWS */
2037
2038 eap_server_unregister_methods();
2039
2040 os_daemonize_terminate(pid_file);
2041
2042 return ret;
2043 }
NetBSD on the FriendlyARM MINI2440