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Added support for enforcing frequent PTK rekeying
[thirdparty/hostap.git] / hostapd / hostapd.c
CommitLineData
6fc6879b
JM		 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"
da08a7c7 44#include "eap_server/tncs.h"
6fc6879b
JM		 45#include "version.h"
46#include "l2_packet/l2_packet.h"
47
48
49static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
50 size_t identity_len, int phase2,
51 struct eap_user *user);
52
53struct hapd_interfaces {
54 size_t count;
55 struct hostapd_iface **iface;
56};
57
58unsigned char rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
59
60
61extern int wpa_debug_level;
62extern int wpa_debug_show_keys;
63extern int wpa_debug_timestamp;
64
65
66static 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
167static void hostapd_deauth_all_stas(struct hostapd_data *hapd)
168{
6fc6879b
JM		 169 u8 addr[ETH_ALEN];
170
6fc6879b
JM		 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
b717ee2a
MB		 173 * nothing works correctly, so let's skip sending this for the hostap
174 * driver. */
175
7b577683 176 if (hapd->driver && os_strcmp(hapd->driver->name, "hostap") != 0) {
b717ee2a
MB		 177 os_memset(addr, 0xff, ETH_ALEN);
178 hostapd_sta_deauth(hapd, addr,
179 WLAN_REASON_PREV_AUTH_NOT_VALID);
180 }
6fc6879b
JM		 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 */
192static 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 */
227void 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
261static 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
270static 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
279static 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
286static 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;
581a8cde 296 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
6fc6879b
JM		 297 wconf->rsn_pairwise = conf->rsn_pairwise;
298 wconf->rsn_preauth = conf->rsn_preauth;
299 wconf->eapol_version = conf->eapol_version;
300 wconf->peerkey = conf->peerkey;
301 wconf->wme_enabled = conf->wme_enabled;
bf98f7f3 302 wconf->okc = conf->okc;
6fc6879b
JM		 303#ifdef CONFIG_IEEE80211W
304 wconf->ieee80211w = conf->ieee80211w;
305#endif /* CONFIG_IEEE80211W */
306#ifdef CONFIG_IEEE80211R
307 wconf->ssid_len = conf->ssid.ssid_len;
308 if (wconf->ssid_len > SSID_LEN)
309 wconf->ssid_len = SSID_LEN;
310 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
311 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
312 MOBILITY_DOMAIN_ID_LEN);
313 if (conf->nas_identifier &&
314 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
315 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
316 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
317 wconf->r0_key_holder_len);
318 }
319 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
320 wconf->r0_key_lifetime = conf->r0_key_lifetime;
321 wconf->reassociation_deadline = conf->reassociation_deadline;
322 wconf->r0kh_list = conf->r0kh_list;
323 wconf->r1kh_list = conf->r1kh_list;
324 wconf->pmk_r1_push = conf->pmk_r1_push;
325#endif /* CONFIG_IEEE80211R */
326}
327
328
329#ifndef CONFIG_NATIVE_WINDOWS
330static void handle_reload(int sig, void *eloop_ctx, void *signal_ctx)
331{
332 struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx;
333 struct hostapd_config *newconf;
334 size_t i;
335 struct wpa_auth_config wpa_auth_conf;
336
337 printf("Signal %d received - reloading configuration\n", sig);
338
339 for (i = 0; i < hapds->count; i++) {
340 struct hostapd_data *hapd = hapds->iface[i]->bss[0];
341 newconf = hostapd_config_read(hapds->iface[i]->config_fname);
342 if (newconf == NULL) {
343 printf("Failed to read new configuration file - "
344 "continuing with old.\n");
345 continue;
346 }
347 /* TODO: update dynamic data based on changed configuration
348 * items (e.g., open/close sockets, remove stations added to
349 * deny list, etc.) */
350 radius_client_flush(hapd->radius, 0);
351 hostapd_config_free(hapd->iconf);
352
353 hostapd_wpa_auth_conf(&newconf->bss[0], &wpa_auth_conf);
354 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
355
356 hapd->iconf = newconf;
357 hapd->conf = &newconf->bss[0];
358 hapds->iface[i]->conf = newconf;
359
360 if (hostapd_setup_wpa_psk(hapd->conf)) {
361 wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
362 "after reloading configuration");
363 }
364 }
365}
366
367
368#ifdef HOSTAPD_DUMP_STATE
369static void hostapd_dump_state(struct hostapd_data *hapd)
370{
371 FILE *f;
372 time_t now;
373 struct sta_info *sta;
374 int i;
375 char *buf;
376
377 if (!hapd->conf->dump_log_name) {
378 printf("Dump file not defined - ignoring dump request\n");
379 return;
380 }
381
382 printf("Dumping hostapd state to '%s'\n", hapd->conf->dump_log_name);
383 f = fopen(hapd->conf->dump_log_name, "w");
384 if (f == NULL) {
385 printf("Could not open dump file '%s' for writing.\n",
386 hapd->conf->dump_log_name);
387 return;
388 }
389
390 time(&now);
391 fprintf(f, "hostapd state dump - %s", ctime(&now));
392 fprintf(f, "num_sta=%d num_sta_non_erp=%d "
393 "num_sta_no_short_slot_time=%d\n"
394 "num_sta_no_short_preamble=%d\n",
395 hapd->num_sta, hapd->iface->num_sta_non_erp,
396 hapd->iface->num_sta_no_short_slot_time,
397 hapd->iface->num_sta_no_short_preamble);
398
399 for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
400 fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr));
401
402 fprintf(f,
f3f7540e 403 " AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s%s%s\n"
6fc6879b
JM		 404 " capability=0x%x listen_interval=%d\n",
405 sta->aid,
406 sta->flags,
407 (sta->flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
408 (sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
409 (sta->flags & WLAN_STA_PS ? "[PS]" : ""),
410 (sta->flags & WLAN_STA_TIM ? "[TIM]" : ""),
411 (sta->flags & WLAN_STA_PERM ? "[PERM]" : ""),
412 (sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" :
413 ""),
414 (sta->flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
415 ""),
416 (sta->flags & WLAN_STA_SHORT_PREAMBLE ?
417 "[SHORT_PREAMBLE]" : ""),
418 (sta->flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
f3f7540e
JM		 419 (sta->flags & WLAN_STA_WME ? "[WME]" : ""),
420 (sta->flags & WLAN_STA_MFP ? "[MFP]" : ""),
6fc6879b
JM		 421 (sta->flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
422 sta->capability,
423 sta->listen_interval);
424
425 fprintf(f, " supported_rates=");
426 for (i = 0; i < sta->supported_rates_len; i++)
427 fprintf(f, "%02x ", sta->supported_rates[i]);
428 fprintf(f, "\n");
429
430 fprintf(f,
431 " timeout_next=%s\n",
432 (sta->timeout_next == STA_NULLFUNC ? "NULLFUNC POLL" :
433 (sta->timeout_next == STA_DISASSOC ? "DISASSOC" :
434 "DEAUTH")));
435
436 ieee802_1x_dump_state(f, " ", sta);
437 }
438
439 buf = os_malloc(4096);
440 if (buf) {
441 int count = radius_client_get_mib(hapd->radius, buf, 4096);
442 if (count < 0)
443 count = 0;
444 else if (count > 4095)
445 count = 4095;
446 buf[count] = '\0';
447 fprintf(f, "%s", buf);
448
449 count = radius_server_get_mib(hapd->radius_srv, buf, 4096);
450 if (count < 0)
451 count = 0;
452 else if (count > 4095)
453 count = 4095;
454 buf[count] = '\0';
455 fprintf(f, "%s", buf);
456 os_free(buf);
457 }
458 fclose(f);
459}
460#endif /* HOSTAPD_DUMP_STATE */
461
462
463static void handle_dump_state(int sig, void *eloop_ctx, void *signal_ctx)
464{
465#ifdef HOSTAPD_DUMP_STATE
466 struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx;
467 size_t i, j;
468
469 for (i = 0; i < hapds->count; i++) {
470 struct hostapd_iface *hapd_iface = hapds->iface[i];
471 for (j = 0; j < hapd_iface->num_bss; j++)
472 hostapd_dump_state(hapd_iface->bss[j]);
473 }
474#endif /* HOSTAPD_DUMP_STATE */
475}
476#endif /* CONFIG_NATIVE_WINDOWS */
477
478static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
479 char *ifname)
480{
481 int i;
482
483 for (i = 0; i < NUM_WEP_KEYS; i++) {
484 if (hostapd_set_encryption(ifname, hapd, "none", NULL, i, NULL,
485 0, i == 0 ? 1 : 0)) {
486 printf("Failed to clear default encryption keys "
487 "(ifname=%s keyidx=%d)\n", ifname, i);
488 }
489 }
490}
491
492
493static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
494{
495 hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
496 return 0;
497}
498
499
500static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
501{
502 int errors = 0, idx;
503 struct hostapd_ssid *ssid = &hapd->conf->ssid;
504
505 idx = ssid->wep.idx;
506 if (ssid->wep.default_len &&
507 hostapd_set_encryption(hapd->conf->iface,
508 hapd, "WEP", NULL, idx,
509 ssid->wep.key[idx],
510 ssid->wep.len[idx],
511 idx == ssid->wep.idx)) {
512 printf("Could not set WEP encryption.\n");
513 errors++;
514 }
515
516 if (ssid->dyn_vlan_keys) {
517 size_t i;
518 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
519 const char *ifname;
520 struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i];
521 if (key == NULL)
522 continue;
523 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan,
524 i);
525 if (ifname == NULL)
526 continue;
527
528 idx = key->idx;
529 if (hostapd_set_encryption(ifname, hapd, "WEP", NULL,
530 idx, key->key[idx],
531 key->len[idx],
532 idx == key->idx)) {
533 printf("Could not set dynamic VLAN WEP "
534 "encryption.\n");
535 errors++;
536 }
537 }
538 }
539
540 return errors;
541}
542
543/**
544 * hostapd_cleanup - Per-BSS cleanup (deinitialization)
545 * @hapd: Pointer to BSS data
546 *
547 * This function is used to free all per-BSS data structures and resources.
548 * This gets called in a loop for each BSS between calls to
549 * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface
550 * is deinitialized. Most of the modules that are initialized in
551 * hostapd_setup_bss() are deinitialized here.
552 */
553static void hostapd_cleanup(struct hostapd_data *hapd)
554{
555 hostapd_ctrl_iface_deinit(hapd);
556
557 os_free(hapd->default_wep_key);
558 hapd->default_wep_key = NULL;
559 iapp_deinit(hapd->iapp);
560 hapd->iapp = NULL;
561 accounting_deinit(hapd);
562 rsn_preauth_iface_deinit(hapd);
563 if (hapd->wpa_auth) {
564 wpa_deinit(hapd->wpa_auth);
565 hapd->wpa_auth = NULL;
566
567 if (hostapd_set_privacy(hapd, 0)) {
568 wpa_printf(MSG_DEBUG, "Could not disable "
569 "PrivacyInvoked for interface %s",
570 hapd->conf->iface);
571 }
572
573 if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
574 wpa_printf(MSG_DEBUG, "Could not remove generic "
575 "information element from interface %s",
576 hapd->conf->iface);
577 }
578 }
579 ieee802_1x_deinit(hapd);
580 vlan_deinit(hapd);
581 hostapd_acl_deinit(hapd);
582 radius_client_deinit(hapd->radius);
583 hapd->radius = NULL;
584 radius_server_deinit(hapd->radius_srv);
585 hapd->radius_srv = NULL;
586
587#ifdef CONFIG_IEEE80211R
588 l2_packet_deinit(hapd->l2);
589#endif /* CONFIG_IEEE80211R */
590
591 hostapd_wireless_event_deinit(hapd);
592
593#ifdef EAP_TLS_FUNCS
594 if (hapd->ssl_ctx) {
595 tls_deinit(hapd->ssl_ctx);
596 hapd->ssl_ctx = NULL;
597 }
598#endif /* EAP_TLS_FUNCS */
599
600#ifdef EAP_SERVER
601 if (hapd->eap_sim_db_priv) {
602 eap_sim_db_deinit(hapd->eap_sim_db_priv);
603 hapd->eap_sim_db_priv = NULL;
604 }
605#endif /* EAP_SERVER */
606
607 if (hapd->interface_added &&
608 hostapd_bss_remove(hapd, hapd->conf->iface)) {
609 printf("Failed to remove BSS interface %s\n",
610 hapd->conf->iface);
611 }
612}
613
614
615/**
616 * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup
617 * @iface: Pointer to interface data
618 *
619 * This function is called before per-BSS data structures are deinitialized
620 * with hostapd_cleanup().
621 */
622static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface)
623{
624}
625
626
627/**
628 * hostapd_cleanup_iface - Complete per-interface cleanup
629 * @iface: Pointer to interface data
630 *
631 * This function is called after per-BSS data structures are deinitialized
632 * with hostapd_cleanup().
633 */
634static void hostapd_cleanup_iface(struct hostapd_iface *iface)
635{
636 hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
637 iface->hw_features = NULL;
638 os_free(iface->current_rates);
639 iface->current_rates = NULL;
640 ap_list_deinit(iface);
641 hostapd_config_free(iface->conf);
642 iface->conf = NULL;
643
644 os_free(iface->config_fname);
645 os_free(iface->bss);
646 os_free(iface);
647}
648
649
650static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
651{
652 int i;
653
654 hostapd_broadcast_wep_set(hapd);
655
656 if (hapd->conf->ssid.wep.default_len)
657 return 0;
658
659 for (i = 0; i < 4; i++) {
660 if (hapd->conf->ssid.wep.key[i] &&
661 hostapd_set_encryption(iface, hapd, "WEP", NULL,
662 i, hapd->conf->ssid.wep.key[i],
663 hapd->conf->ssid.wep.len[i],
664 i == hapd->conf->ssid.wep.idx)) {
665 printf("Could not set WEP encryption.\n");
666 return -1;
667 }
668 if (hapd->conf->ssid.wep.key[i] &&
669 i == hapd->conf->ssid.wep.idx)
670 hostapd_set_privacy(hapd, 1);
671 }
672
673 return 0;
674}
675
676
677static int hostapd_flush_old_stations(struct hostapd_data *hapd)
678{
679 int ret = 0;
680
85141289
JM		 681 if (hostapd_drv_none(hapd))
682 return 0;
683
6fc6879b
JM		 684 wpa_printf(MSG_DEBUG, "Flushing old station entries");
685 if (hostapd_flush(hapd)) {
686 printf("Could not connect to kernel driver.\n");
687 ret = -1;
688 }
689 wpa_printf(MSG_DEBUG, "Deauthenticate all stations");
690 hostapd_deauth_all_stas(hapd);
691
692 return ret;
693}
694
695
696static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
697 logger_level level, const char *txt)
698{
699 struct hostapd_data *hapd = ctx;
700 int hlevel;
701
702 switch (level) {
703 case LOGGER_WARNING:
704 hlevel = HOSTAPD_LEVEL_WARNING;
705 break;
706 case LOGGER_INFO:
707 hlevel = HOSTAPD_LEVEL_INFO;
708 break;
709 case LOGGER_DEBUG:
710 default:
711 hlevel = HOSTAPD_LEVEL_DEBUG;
712 break;
713 }
714
715 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
716}
717
718
719static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
720 u16 reason)
721{
722 struct hostapd_data *hapd = ctx;
723 struct sta_info *sta;
724
725 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
726 "STA " MACSTR " reason %d",
727 __func__, MAC2STR(addr), reason);
728
729 sta = ap_get_sta(hapd, addr);
730 hostapd_sta_deauth(hapd, addr, reason);
731 if (sta == NULL)
732 return;
733 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_AUTHORIZED);
734 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
735 eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta);
736 sta->timeout_next = STA_REMOVE;
737}
738
739
740static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
741{
742 struct hostapd_data *hapd = ctx;
743 ieee80211_michael_mic_failure(hapd, addr, 0);
744}
745
746
747static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
748 wpa_eapol_variable var, int value)
749{
750 struct hostapd_data *hapd = ctx;
751 struct sta_info *sta = ap_get_sta(hapd, addr);
752 if (sta == NULL)
753 return;
754 switch (var) {
755 case WPA_EAPOL_portEnabled:
756 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
757 break;
758 case WPA_EAPOL_portValid:
759 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
760 break;
761 case WPA_EAPOL_authorized:
762 ieee802_1x_set_sta_authorized(hapd, sta, value);
763 break;
764 case WPA_EAPOL_portControl_Auto:
765 if (sta->eapol_sm)
766 sta->eapol_sm->portControl = Auto;
767 break;
768 case WPA_EAPOL_keyRun:
769 if (sta->eapol_sm)
770 sta->eapol_sm->keyRun = value ? TRUE : FALSE;
771 break;
772 case WPA_EAPOL_keyAvailable:
773 if (sta->eapol_sm)
774 sta->eapol_sm->eap_if->eapKeyAvailable =
775 value ? TRUE : FALSE;
776 break;
777 case WPA_EAPOL_keyDone:
778 if (sta->eapol_sm)
779 sta->eapol_sm->keyDone = value ? TRUE : FALSE;
780 break;
781 case WPA_EAPOL_inc_EapolFramesTx:
782 if (sta->eapol_sm)
783 sta->eapol_sm->dot1xAuthEapolFramesTx++;
784 break;
785 }
786}
787
788
789static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
790 wpa_eapol_variable var)
791{
792 struct hostapd_data *hapd = ctx;
793 struct sta_info *sta = ap_get_sta(hapd, addr);
794 if (sta == NULL || sta->eapol_sm == NULL)
795 return -1;
796 switch (var) {
797 case WPA_EAPOL_keyRun:
798 return sta->eapol_sm->keyRun;
799 case WPA_EAPOL_keyAvailable:
800 return sta->eapol_sm->eap_if->eapKeyAvailable;
801 default:
802 return -1;
803 }
804}
805
806
807static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
808 const u8 *prev_psk)
809{
810 struct hostapd_data *hapd = ctx;
811 return hostapd_get_psk(hapd->conf, addr, prev_psk);
812}
813
814
815static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
816 size_t *len)
817{
818 struct hostapd_data *hapd = ctx;
819 const u8 *key;
820 size_t keylen;
821 struct sta_info *sta;
822
823 sta = ap_get_sta(hapd, addr);
824 if (sta == NULL)
825 return -1;
826
827 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
828 if (key == NULL)
829 return -1;
830
831 if (keylen > *len)
832 keylen = *len;
833 os_memcpy(msk, key, keylen);
834 *len = keylen;
835
836 return 0;
837}
838
839
840static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, const char *alg,
841 const u8 *addr, int idx, u8 *key,
842 size_t key_len)
843{
844 struct hostapd_data *hapd = ctx;
845 const char *ifname = hapd->conf->iface;
846
847 if (vlan_id > 0) {
848 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
849 if (ifname == NULL)
850 return -1;
851 }
852
853 return hostapd_set_encryption(ifname, hapd, alg, addr, idx,
854 key, key_len, 1);
855}
856
857
858static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
859 u8 *seq)
860{
861 struct hostapd_data *hapd = ctx;
862 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
863}
864
865
866static int hostapd_wpa_auth_get_seqnum_igtk(void *ctx, const u8 *addr, int idx,
867 u8 *seq)
868{
869 struct hostapd_data *hapd = ctx;
870 return hostapd_get_seqnum_igtk(hapd->conf->iface, hapd, addr, idx,
871 seq);
872}
873
874
875static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
876 const u8 *data, size_t data_len,
877 int encrypt)
878{
879 struct hostapd_data *hapd = ctx;
880 return hostapd_send_eapol(hapd, addr, data, data_len, encrypt);
881}
882
883
884static int hostapd_wpa_auth_for_each_sta(
885 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
886 void *cb_ctx)
887{
888 struct hostapd_data *hapd = ctx;
889 struct sta_info *sta;
890
891 for (sta = hapd->sta_list; sta; sta = sta->next) {
892 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
893 return 1;
894 }
895 return 0;
896}
897
898
bf98f7f3
JM		 899static int hostapd_wpa_auth_for_each_auth(
900 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
901 void *cb_ctx)
902{
903 struct hostapd_data *ohapd;
904 size_t i, j;
905 struct hapd_interfaces *interfaces = eloop_get_user_data();
906
907 for (i = 0; i < interfaces->count; i++) {
908 for (j = 0; j < interfaces->iface[i]->num_bss; j++) {
909 ohapd = interfaces->iface[i]->bss[j];
910 if (cb(ohapd->wpa_auth, cb_ctx))
911 return 1;
912 }
913 }
914
915 return 0;
916}
917
918
6fc6879b
JM		 919static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
920 const u8 *data, size_t data_len)
921{
922 struct hostapd_data *hapd = ctx;
923
924 if (hapd->driver && hapd->driver->send_ether)
925 return hapd->driver->send_ether(hapd->drv_priv, dst,
926 hapd->own_addr, proto,
927 data, data_len);
928 if (hapd->l2 == NULL)
929 return -1;
930 return l2_packet_send(hapd->l2, dst, proto, data, data_len);
931}
932
933
934#ifdef CONFIG_IEEE80211R
935
936static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
937 const u8 *data, size_t data_len)
938{
939 struct hostapd_data *hapd = ctx;
940 int res;
941 struct ieee80211_mgmt *m;
942 size_t mlen;
943 struct sta_info *sta;
944
945 sta = ap_get_sta(hapd, dst);
946 if (sta == NULL || sta->wpa_sm == NULL)
947 return -1;
948
949 m = os_zalloc(sizeof(*m) + data_len);
950 if (m == NULL)
951 return -1;
952 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
953 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
954 WLAN_FC_STYPE_ACTION);
955 os_memcpy(m->da, dst, ETH_ALEN);
956 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
957 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
958 os_memcpy(&m->u, data, data_len);
959
960 res = hostapd_send_mgmt_frame(hapd, (u8 *) m, mlen, 0);
961 os_free(m);
962 return res;
963}
964
965
966static struct wpa_state_machine *
967hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
968{
969 struct hostapd_data *hapd = ctx;
970 struct sta_info *sta;
971
972 sta = ap_sta_add(hapd, sta_addr);
973 if (sta == NULL)
974 return NULL;
975 if (sta->wpa_sm)
976 return sta->wpa_sm;
977
978 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr);
979 if (sta->wpa_sm == NULL) {
980 ap_free_sta(hapd, sta);
981 return NULL;
982 }
983 sta->auth_alg = WLAN_AUTH_FT;
984
985 return sta->wpa_sm;
986}
987
988
989static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
990 size_t len)
991{
992 struct hostapd_data *hapd = ctx;
993 wpa_ft_rrb_rx(hapd->wpa_auth, src_addr, buf, len);
994}
995
996#endif /* CONFIG_IEEE80211R */
997
998
999/**
1000 * hostapd_validate_bssid_configuration - Validate BSSID configuration
1001 * @iface: Pointer to interface data
1002 * Returns: 0 on success, -1 on failure
1003 *
1004 * This function is used to validate that the configured BSSIDs are valid.
1005 */
1006static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
1007{
1008 u8 mask[ETH_ALEN] = { 0 };
1009 struct hostapd_data *hapd = iface->bss[0];
1010 unsigned int i = iface->conf->num_bss, bits = 0, j;
1011 int res;
1012
85141289
JM		 1013 if (hostapd_drv_none(hapd))
1014 return 0;
1015
6fc6879b
JM		 1016 /* Generate BSSID mask that is large enough to cover the BSSIDs. */
1017
1018 /* Determine the bits necessary to cover the number of BSSIDs. */
1019 for (i--; i; i >>= 1)
1020 bits++;
1021
1022 /* Determine the bits necessary to any configured BSSIDs,
1023 if they are higher than the number of BSSIDs. */
1024 for (j = 0; j < iface->conf->num_bss; j++) {
1025 if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0)
1026 continue;
1027
1028 for (i = 0; i < ETH_ALEN; i++) {
1029 mask[i] |=
1030 iface->conf->bss[j].bssid[i] ^
1031 hapd->own_addr[i];
1032 }
1033 }
1034
1035 for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
1036 ;
1037 j = 0;
1038 if (i < ETH_ALEN) {
1039 j = (5 - i) * 8;
1040
1041 while (mask[i] != 0) {
1042 mask[i] >>= 1;
1043 j++;
1044 }
1045 }
1046
1047 if (bits < j)
1048 bits = j;
1049
1050 if (bits > 40)
1051 return -1;
1052
1053 os_memset(mask, 0xff, ETH_ALEN);
1054 j = bits / 8;
1055 for (i = 5; i > 5 - j; i--)
1056 mask[i] = 0;
1057 j = bits % 8;
1058 while (j--)
1059 mask[i] <<= 1;
1060
1061 wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
1062 (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
1063
1064 res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask);
1065 if (res == 0)
1066 return 0;
1067
1068 if (res < 0) {
1069 printf("Driver did not accept BSSID mask " MACSTR " for start "
1070 "address " MACSTR ".\n",
1071 MAC2STR(mask), MAC2STR(hapd->own_addr));
1072 return -1;
1073 }
1074
1075 for (i = 0; i < ETH_ALEN; i++) {
1076 if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
1077 printf("Invalid BSSID mask " MACSTR " for start "
1078 "address " MACSTR ".\n"
1079 "Start address must be the first address in the"
1080 " block (i.e., addr AND mask == addr).\n",
1081 MAC2STR(mask), MAC2STR(hapd->own_addr));
1082 return -1;
1083 }
1084 }
1085
1086 return 0;
1087}
1088
1089
1090static int mac_in_conf(struct hostapd_config *conf, const void *a)
1091{
1092 size_t i;
1093
1094 for (i = 0; i < conf->num_bss; i++) {
1095 if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) {
1096 return 1;
1097 }
1098 }
1099
1100 return 0;
1101}
1102
1103
1104static int hostapd_setup_wpa(struct hostapd_data *hapd)
1105{
1106 struct wpa_auth_config _conf;
1107 struct wpa_auth_callbacks cb;
1108 const u8 *wpa_ie;
1109 size_t wpa_ie_len;
1110
1111 hostapd_wpa_auth_conf(hapd->conf, &_conf);
1112 os_memset(&cb, 0, sizeof(cb));
1113 cb.ctx = hapd;
1114 cb.logger = hostapd_wpa_auth_logger;
1115 cb.disconnect = hostapd_wpa_auth_disconnect;
1116 cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report;
1117 cb.set_eapol = hostapd_wpa_auth_set_eapol;
1118 cb.get_eapol = hostapd_wpa_auth_get_eapol;
1119 cb.get_psk = hostapd_wpa_auth_get_psk;
1120 cb.get_msk = hostapd_wpa_auth_get_msk;
1121 cb.set_key = hostapd_wpa_auth_set_key;
1122 cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
1123 cb.get_seqnum_igtk = hostapd_wpa_auth_get_seqnum_igtk;
1124 cb.send_eapol = hostapd_wpa_auth_send_eapol;
1125 cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
bf98f7f3 1126 cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
6fc6879b
JM		 1127 cb.send_ether = hostapd_wpa_auth_send_ether;
1128#ifdef CONFIG_IEEE80211R
1129 cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
1130 cb.add_sta = hostapd_wpa_auth_add_sta;
1131#endif /* CONFIG_IEEE80211R */
1132 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
1133 if (hapd->wpa_auth == NULL) {
1134 printf("WPA initialization failed.\n");
1135 return -1;
1136 }
1137
1138 if (hostapd_set_privacy(hapd, 1)) {
1139 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1140 "for interface %s", hapd->conf->iface);
1141 return -1;
1142 }
1143
1144 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1145 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1146 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1147 "the kernel driver.");
1148 return -1;
1149 }
1150
1151 if (rsn_preauth_iface_init(hapd)) {
1152 printf("Initialization of RSN pre-authentication "
1153 "failed.\n");
1154 return -1;
1155 }
1156
1157 return 0;
1158
1159}
1160
1161
1162static int hostapd_setup_radius_srv(struct hostapd_data *hapd,
1163 struct hostapd_bss_config *conf)
1164{
1165 struct radius_server_conf srv;
1166 os_memset(&srv, 0, sizeof(srv));
1167 srv.client_file = conf->radius_server_clients;
1168 srv.auth_port = conf->radius_server_auth_port;
1169 srv.conf_ctx = conf;
1170 srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
1171 srv.ssl_ctx = hapd->ssl_ctx;
1172 srv.pac_opaque_encr_key = conf->pac_opaque_encr_key;
1173 srv.eap_fast_a_id = conf->eap_fast_a_id;
2d867244
JM		 1174 srv.eap_fast_a_id_len = conf->eap_fast_a_id_len;
1175 srv.eap_fast_a_id_info = conf->eap_fast_a_id_info;
378eae5e 1176 srv.eap_fast_prov = conf->eap_fast_prov;
a11c90a6
JM		 1177 srv.pac_key_lifetime = conf->pac_key_lifetime;
1178 srv.pac_key_refresh_time = conf->pac_key_refresh_time;
6fc6879b 1179 srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
c3e258ae 1180 srv.tnc = conf->tnc;
6fc6879b
JM		 1181 srv.ipv6 = conf->radius_server_ipv6;
1182 srv.get_eap_user = hostapd_radius_get_eap_user;
1183
1184 hapd->radius_srv = radius_server_init(&srv);
1185 if (hapd->radius_srv == NULL) {
1186 printf("RADIUS server initialization failed.\n");
1187 return -1;
1188 }
1189
1190 return 0;
1191}
1192
1193
1194/**
1195 * hostapd_setup_bss - Per-BSS setup (initialization)
1196 * @hapd: Pointer to BSS data
1197 * @first: Whether this BSS is the first BSS of an interface
1198 *
1199 * This function is used to initialize all per-BSS data structures and
1200 * resources. This gets called in a loop for each BSS when an interface is
1201 * initialized. Most of the modules that are initialized here will be
1202 * deinitialized in hostapd_cleanup().
1203 */
1204static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
1205{
1206 struct hostapd_bss_config *conf = hapd->conf;
1207 u8 ssid[HOSTAPD_MAX_SSID_LEN + 1];
1208 int ssid_len, set_ssid;
1209
1210 if (!first) {
1211 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
1212 /* Allocate the next available BSSID. */
1213 do {
1214 inc_byte_array(hapd->own_addr, ETH_ALEN);
1215 } while (mac_in_conf(hapd->iconf, hapd->own_addr));
1216 } else {
1217 /* Allocate the configured BSSID. */
1218 os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN);
1219
1220 if (hostapd_mac_comp(hapd->own_addr,
1221 hapd->iface->bss[0]->own_addr) ==
1222 0) {
1223 printf("BSS '%s' may not have BSSID "
1224 "set to the MAC address of the radio\n",
1225 hapd->conf->iface);
1226 return -1;
1227 }
1228 }
1229
1230 hapd->interface_added = 1;
1231 if (hostapd_bss_add(hapd->iface->bss[0], hapd->conf->iface,
1232 hapd->own_addr)) {
1233 printf("Failed to add BSS (BSSID=" MACSTR ")\n",
1234 MAC2STR(hapd->own_addr));
1235 return -1;
1236 }
1237 }
1238
1239 /*
1240 * Fetch the SSID from the system and use it or,
1241 * if one was specified in the config file, verify they
1242 * match.
1243 */
1244 ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
1245 if (ssid_len < 0) {
1246 printf("Could not read SSID from system\n");
1247 return -1;
1248 }
1249 if (conf->ssid.ssid_set) {
1250 /*
1251 * If SSID is specified in the config file and it differs
1252 * from what is being used then force installation of the
1253 * new SSID.
1254 */
1255 set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
1256 os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
1257 } else {
1258 /*
1259 * No SSID in the config file; just use the one we got
1260 * from the system.
1261 */
1262 set_ssid = 0;
1263 conf->ssid.ssid_len = ssid_len;
1264 os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
1265 conf->ssid.ssid[conf->ssid.ssid_len] = '\0';
1266 }
1267
85141289
JM		 1268 if (!hostapd_drv_none(hapd)) {
1269 printf("Using interface %s with hwaddr " MACSTR
1270 " and ssid '%s'\n",
1271 hapd->conf->iface, MAC2STR(hapd->own_addr),
1272 hapd->conf->ssid.ssid);
1273 }
6fc6879b
JM		 1274
1275 if (hostapd_setup_wpa_psk(conf)) {
1276 printf("WPA-PSK setup failed.\n");
1277 return -1;
1278 }
1279
1280 /* Set flag for whether SSID is broadcast in beacons */
1281 if (hostapd_set_broadcast_ssid(hapd,
1282 !!hapd->conf->ignore_broadcast_ssid)) {
1283 printf("Could not set broadcast SSID flag for kernel "
1284 "driver\n");
1285 return -1;
1286 }
1287
1288 if (hostapd_set_dtim_period(hapd, hapd->conf->dtim_period)) {
1289 printf("Could not set DTIM period for kernel driver\n");
1290 return -1;
1291 }
1292
1293 /* Set SSID for the kernel driver (to be used in beacon and probe
1294 * response frames) */
1295 if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid,
1296 conf->ssid.ssid_len)) {
1297 printf("Could not set SSID for kernel driver\n");
1298 return -1;
1299 }
1300
1301 if (wpa_debug_level == MSG_MSGDUMP)
1302 conf->radius->msg_dumps = 1;
1303 hapd->radius = radius_client_init(hapd, conf->radius);
1304 if (hapd->radius == NULL) {
1305 printf("RADIUS client initialization failed.\n");
1306 return -1;
1307 }
1308
1309 if (hostapd_acl_init(hapd)) {
1310 printf("ACL initialization failed.\n");
1311 return -1;
1312 }
1313
1314 if (ieee802_1x_init(hapd)) {
1315 printf("IEEE 802.1X initialization failed.\n");
1316 return -1;
1317 }
1318
1319 if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
1320 return -1;
1321
1322 if (accounting_init(hapd)) {
1323 printf("Accounting initialization failed.\n");
1324 return -1;
1325 }
1326
1327 if (hapd->conf->ieee802_11f &&
1328 (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
1329 printf("IEEE 802.11F (IAPP) initialization failed.\n");
1330 return -1;
1331 }
1332
1333 if (hostapd_ctrl_iface_init(hapd)) {
1334 printf("Failed to setup control interface\n");
1335 return -1;
1336 }
1337
85141289 1338 if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
6fc6879b
JM		 1339 printf("VLAN initialization failed.\n");
1340 return -1;
1341 }
1342
1343#ifdef CONFIG_IEEE80211R
85141289
JM		 1344 if (!hostapd_drv_none(hapd)) {
1345 hapd->l2 = l2_packet_init(hapd->conf->iface, NULL, ETH_P_RRB,
1346 hostapd_rrb_receive, hapd, 0);
1347 if (hapd->l2 == NULL &&
1348 (hapd->driver == NULL ||
1349 hapd->driver->send_ether == NULL)) {
1350 printf("Failed to open l2_packet interface\n");
1351 return -1;
1352 }
6fc6879b
JM		 1353 }
1354#endif /* CONFIG_IEEE80211R */
1355
1356 ieee802_11_set_beacon(hapd);
1357
1358 if (conf->radius_server_clients &&
1359 hostapd_setup_radius_srv(hapd, conf))
1360 return -1;
1361
1362 return 0;
1363}
1364
1365
990ec378
JM		 1366static void hostapd_tx_queue_params(struct hostapd_iface *iface)
1367{
1368 struct hostapd_data *hapd = iface->bss[0];
1369 int i;
1370 struct hostapd_tx_queue_params *p;
1371
1372 for (i = 0; i < NUM_TX_QUEUES; i++) {
1373 p = &iface->conf->tx_queue[i];
1374
1375 if (!p->configured)
1376 continue;
1377
1378 if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
1379 p->cwmax, p->burst)) {
1380 printf("Failed to set TX queue parameters for queue %d"
1381 ".\n", i);
1382 /* Continue anyway */
1383 }
1384 }
1385}
1386
1387
6fc6879b
JM		 1388/**
1389 * setup_interface2 - Setup (initialize) an interface (part 2)
1390 * @iface: Pointer to interface data.
1391 * Returns: 0 on success; -1 on failure.
1392 *
1393 * Flushes old stations, sets the channel, DFS parameters, encryption,
1394 * beacons, and WDS links based on the configuration.
1395 */
1396static int setup_interface2(struct hostapd_iface *iface)
1397{
1398 struct hostapd_data *hapd = iface->bss[0];
1399 int freq;
1400 size_t j;
1401 int ret = 0;
1402 u8 *prev_addr;
1403
1404 hostapd_flush_old_stations(hapd);
1405 hostapd_set_privacy(hapd, 0);
1406
1407 if (hapd->iconf->channel) {
1408 freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
1409 printf("Mode: %s Channel: %d Frequency: %d MHz\n",
1410 hostapd_hw_mode_txt(hapd->iconf->hw_mode),
1411 hapd->iconf->channel, freq);
1412
1413 if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, freq)) {
1414 printf("Could not set channel for kernel driver\n");
1415 return -1;
1416 }
1417 }
1418
1419 hostapd_broadcast_wep_clear(hapd);
1420 if (hostapd_setup_encryption(hapd->conf->iface, hapd))
1421 return -1;
1422
1423 hostapd_set_beacon_int(hapd, hapd->iconf->beacon_int);
1424 ieee802_11_set_beacon(hapd);
1425
1426 if (hapd->iconf->rts_threshold > -1 &&
1427 hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
1428 printf("Could not set RTS threshold for kernel driver\n");
1429 return -1;
1430 }
1431
1432 if (hapd->iconf->fragm_threshold > -1 &&
1433 hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
1434 printf("Could not set fragmentation threshold for kernel "
1435 "driver\n");
1436 return -1;
1437 }
1438
1439 prev_addr = hapd->own_addr;
1440
1441 for (j = 0; j < iface->num_bss; j++) {
1442 hapd = iface->bss[j];
1443 if (j)
1444 os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
1445 if (hostapd_setup_bss(hapd, j == 0))
1446 return -1;
1447 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
1448 prev_addr = hapd->own_addr;
1449 }
1450
990ec378
JM		 1451 hostapd_tx_queue_params(iface);
1452
6fc6879b
JM		 1453 ap_list_init(iface);
1454
1455 if (hostapd_driver_commit(hapd) < 0) {
1456 wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
1457 "configuration", __func__);
1458 return -1;
1459 }
1460
1461 return ret;
1462}
1463
1464
1465static void setup_interface_start(void *eloop_data, void *user_ctx);
1466static void setup_interface2_handler(void *eloop_data, void *user_ctx);
1467
1468/**
1469 * setup_interface_finalize - Finish setup interface & call the callback
1470 * @iface: Pointer to interface data.
1471 * @status: Status of the setup interface (0 on success; -1 on failure).
1472 * Returns: 0 on success; -1 on failure (e.g., was not in progress).
1473 */
1474static int setup_interface_finalize(struct hostapd_iface *iface, int status)
1475{
1476 hostapd_iface_cb cb;
1477
1478 if (!iface->setup_cb)
1479 return -1;
1480
1481 eloop_cancel_timeout(setup_interface_start, iface, NULL);
1482 eloop_cancel_timeout(setup_interface2_handler, iface, NULL);
1483 hostapd_select_hw_mode_stop(iface);
1484
1485 cb = iface->setup_cb;
1486
1487 iface->setup_cb = NULL;
1488
1489 cb(iface, status);
1490
1491 return 0;
1492}
1493
1494
1495/**
1496 * setup_interface2_wrapper - Wrapper for setup_interface2()
1497 * @iface: Pointer to interface data.
1498 * @status: Status of the hw mode select.
1499 *
1500 * Wrapper for setup_interface2() to calls finalize function upon completion.
1501 */
1502static void setup_interface2_wrapper(struct hostapd_iface *iface, int status)
1503{
1504 int ret = status;
1505 if (ret)
1506 printf("Could not select hw_mode and channel. (%d)\n", ret);
1507 else
1508 ret = setup_interface2(iface);
1509
1510 setup_interface_finalize(iface, ret);
1511}
1512
1513
1514/**
1515 * setup_interface2_handler - Used for immediate call of setup_interface2
1516 * @eloop_data: Stores the struct hostapd_iface * for the interface.
1517 * @user_ctx: Unused.
1518 */
1519static void setup_interface2_handler(void *eloop_data, void *user_ctx)
1520{
1521 struct hostapd_iface *iface = eloop_data;
1522
1523 setup_interface2_wrapper(iface, 0);
1524}
1525
1526
1527static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
1528 size_t identity_len, int phase2,
1529 struct eap_user *user)
1530{
1531 const struct hostapd_eap_user *eap_user;
1532 int i, count;
1533
1534 eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
1535 if (eap_user == NULL)
1536 return -1;
1537
1538 if (user == NULL)
1539 return 0;
1540
1541 os_memset(user, 0, sizeof(*user));
1542 count = EAP_USER_MAX_METHODS;
1543 if (count > EAP_MAX_METHODS)
1544 count = EAP_MAX_METHODS;
1545 for (i = 0; i < count; i++) {
1546 user->methods[i].vendor = eap_user->methods[i].vendor;
1547 user->methods[i].method = eap_user->methods[i].method;
1548 }
1549
1550 if (eap_user->password) {
1551 user->password = os_malloc(eap_user->password_len);
1552 if (user->password == NULL)
1553 return -1;
1554 os_memcpy(user->password, eap_user->password,
1555 eap_user->password_len);
1556 user->password_len = eap_user->password_len;
1557 user->password_hash = eap_user->password_hash;
1558 }
1559 user->force_version = eap_user->force_version;
1560 user->ttls_auth = eap_user->ttls_auth;
1561
1562 return 0;
1563}
1564
1565
1566/**
1567 * setup_interface1 - Setup (initialize) an interface (part 1)
1568 * @iface: Pointer to interface data
1569 * Returns: 0 on success, -1 on failure
1570 *
1571 * Initializes the driver interface, validates the configuration,
1572 * and sets driver parameters based on the configuration.
1573 * Schedules setup_interface2() to be called immediately or after
1574 * hardware mode setup takes place.
1575 */
1576static int setup_interface1(struct hostapd_iface *iface)
1577{
1578 struct hostapd_data *hapd = iface->bss[0];
1579 struct hostapd_bss_config *conf = hapd->conf;
1580 size_t i;
1581 char country[4];
1582 u8 *b = conf->bssid;
1583
1584 /*
1585 * Initialize the driver interface and make sure that all BSSes get
1586 * configured with a pointer to this driver interface.
1587 */
1588 if (b[0] | b[1] | b[2] | b[3] | b[4] | b[5]) {
1589 hapd->drv_priv = hostapd_driver_init_bssid(hapd, b);
1590 } else {
1591 hapd->drv_priv = hostapd_driver_init(hapd);
1592 }
1593
1594 if (hapd->drv_priv == NULL) {
1595 printf("%s driver initialization failed.\n",
1596 hapd->driver ? hapd->driver->name : "Unknown");
1597 hapd->driver = NULL;
1598 return -1;
1599 }
1600 for (i = 0; i < iface->num_bss; i++) {
1601 iface->bss[i]->driver = hapd->driver;
1602 iface->bss[i]->drv_priv = hapd->drv_priv;
1603 }
1604
1605 if (hostapd_validate_bssid_configuration(iface))
1606 return -1;
1607
edd360e1
JM		 1608#ifdef CONFIG_IEEE80211N
1609 SET_2BIT_LE16(&iface->ht_op_mode,
1610 HT_INFO_OPERATION_MODE_OP_MODE_OFFSET,
1611 OP_MODE_PURE);
1612#endif /* CONFIG_IEEE80211N */
1613
6fc6879b
JM		 1614 os_memcpy(country, hapd->iconf->country, 3);
1615 country[3] = '\0';
1616 if (hostapd_set_country(hapd, country) < 0) {
1617 printf("Failed to set country code\n");
1618 return -1;
1619 }
1620
1621 if (hapd->iconf->ieee80211d || hapd->iconf->ieee80211h) {
1622 if (hostapd_set_ieee80211d(hapd, 1) < 0) {
1623 printf("Failed to set ieee80211d (%d)\n",
1624 hapd->iconf->ieee80211d);
1625 return -1;
1626 }
1627 }
1628
1629 if (hapd->iconf->bridge_packets != INTERNAL_BRIDGE_DO_NOT_CONTROL &&
1630 hostapd_set_internal_bridge(hapd, hapd->iconf->bridge_packets)) {
1631 printf("Failed to set bridge_packets for kernel driver\n");
1632 return -1;
1633 }
1634
1635 /* TODO: merge with hostapd_driver_init() ? */
1636 if (hostapd_wireless_event_init(hapd) < 0)
1637 return -1;
1638
1639 if (hostapd_get_hw_features(iface)) {
1640 /* Not all drivers support this yet, so continue without hw
1641 * feature data. */
1642 } else {
1643 return hostapd_select_hw_mode_start(iface,
1644 setup_interface2_wrapper);
1645 }
1646
1647 eloop_register_timeout(0, 0, setup_interface2_handler, iface, NULL);
1648 return 0;
1649}
1650
1651
1652/**
1653 * setup_interface_start - Handler to start setup interface
1654 * @eloop_data: Stores the struct hostapd_iface * for the interface.
1655 * @user_ctx: Unused.
1656 *
1657 * An eloop handler is used so that all errors can be processed by the
1658 * callback without introducing stack recursion.
1659 */
1660static void setup_interface_start(void *eloop_data, void *user_ctx)
1661{
1662 struct hostapd_iface *iface = eloop_data;
1663
1664 int ret;
1665
1666 ret = setup_interface1(iface);
1667 if (ret)
1668 setup_interface_finalize(iface, ret);
1669}
1670
1671
1672/**
1673 * hostapd_setup_interface_start - Start the setup of an interface
1674 * @iface: Pointer to interface data.
1675 * @cb: The function to callback when done.
1676 * Returns: 0 if it starts successfully; cb will be called when done.
1677 * -1 on failure; cb will not be called.
1678 *
1679 * Initializes the driver interface, validates the configuration,
1680 * and sets driver parameters based on the configuration.
1681 * Flushes old stations, sets the channel, DFS parameters, encryption,
1682 * beacons, and WDS links based on the configuration.
1683 */
1684int hostapd_setup_interface_start(struct hostapd_iface *iface,
1685 hostapd_iface_cb cb)
1686{
1687 if (iface->setup_cb) {
1688 wpa_printf(MSG_DEBUG,
1689 "%s: Interface setup already in progress.\n",
1690 iface->bss[0]->conf->iface);
1691 return -1;
1692 }
1693
1694 iface->setup_cb = cb;
1695
1696 eloop_register_timeout(0, 0, setup_interface_start, iface, NULL);
1697
1698 return 0;
1699}
1700
1701
1702/**
1703 * hostapd_setup_interace_stop - Stops the setup of an interface
1704 * @iface: Pointer to interface data
1705 * Returns: 0 if successfully stopped;
1706 * -1 on failure (i.e., was not in progress)
1707 */
1708int hostapd_setup_interface_stop(struct hostapd_iface *iface)
1709{
1710 return setup_interface_finalize(iface, -1);
1711}
1712
1713
1714static void show_version(void)
1715{
1716 fprintf(stderr,
1717 "hostapd v" VERSION_STR "\n"
1718 "User space daemon for IEEE 802.11 AP management,\n"
1719 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
1720 "Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> "
1721 "and contributors\n");
1722}
1723
1724
1725static void usage(void)
1726{
1727 show_version();
1728 fprintf(stderr,
1729 "\n"
1730 "usage: hostapd [-hdBKtv] [-P <PID file>] "
1731 "<configuration file(s)>\n"
1732 "\n"
1733 "options:\n"
1734 " -h show this usage\n"
1735 " -d show more debug messages (-dd for even more)\n"
1736 " -B run daemon in the background\n"
1737 " -P PID file\n"
1738 " -K include key data in debug messages\n"
1739 " -t include timestamps in some debug messages\n"
1740 " -v show hostapd version\n");
1741
1742 exit(1);
1743}
1744
1745
1746/**
1747 * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
1748 * @hapd_iface: Pointer to interface data
1749 * @conf: Pointer to per-interface configuration
1750 * @bss: Pointer to per-BSS configuration for this BSS
1751 * Returns: Pointer to allocated BSS data
1752 *
1753 * This function is used to allocate per-BSS data structure. This data will be
1754 * freed after hostapd_cleanup() is called for it during interface
1755 * deinitialization.
1756 */
1757static struct hostapd_data *
1758hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
1759 struct hostapd_config *conf,
1760 struct hostapd_bss_config *bss)
1761{
1762 struct hostapd_data *hapd;
1763
1764 hapd = os_zalloc(sizeof(*hapd));
1765 if (hapd == NULL)
1766 return NULL;
1767
1768 hapd->iconf = conf;
1769 hapd->conf = bss;
1770 hapd->iface = hapd_iface;
1771
1772 if (hapd->conf->individual_wep_key_len > 0) {
1773 /* use key0 in individual key and key1 in broadcast key */
1774 hapd->default_wep_key_idx = 1;
1775 }
1776
1777#ifdef EAP_TLS_FUNCS
1778 if (hapd->conf->eap_server &&
1779 (hapd->conf->ca_cert || hapd->conf->server_cert ||
1780 hapd->conf->dh_file)) {
1781 struct tls_connection_params params;
1782
1783 hapd->ssl_ctx = tls_init(NULL);
1784 if (hapd->ssl_ctx == NULL) {
1785 printf("Failed to initialize TLS\n");
1786 goto fail;
1787 }
1788
1789 os_memset(&params, 0, sizeof(params));
1790 params.ca_cert = hapd->conf->ca_cert;
1791 params.client_cert = hapd->conf->server_cert;
1792 params.private_key = hapd->conf->private_key;
1793 params.private_key_passwd = hapd->conf->private_key_passwd;
1794 params.dh_file = hapd->conf->dh_file;
1795
1796 if (tls_global_set_params(hapd->ssl_ctx, &params)) {
1797 printf("Failed to set TLS parameters\n");
1798 goto fail;
1799 }
1800
1801 if (tls_global_set_verify(hapd->ssl_ctx,
1802 hapd->conf->check_crl)) {
1803 printf("Failed to enable check_crl\n");
1804 goto fail;
1805 }
1806 }
1807#endif /* EAP_TLS_FUNCS */
1808
1809#ifdef EAP_SERVER
1810 if (hapd->conf->eap_sim_db) {
1811 hapd->eap_sim_db_priv =
1812 eap_sim_db_init(hapd->conf->eap_sim_db,
1813 hostapd_sim_db_cb, hapd);
1814 if (hapd->eap_sim_db_priv == NULL) {
1815 printf("Failed to initialize EAP-SIM database "
1816 "interface\n");
1817 goto fail;
1818 }
1819 }
1820#endif /* EAP_SERVER */
1821
1822 if (hapd->conf->assoc_ap)
1823 hapd->assoc_ap_state = WAIT_BEACON;
1824
1825 hapd->driver = hapd->iconf->driver;
1826
1827 return hapd;
1828
1829#if defined(EAP_TLS_FUNCS) || defined(EAP_SERVER)
1830fail:
1831#endif
1832 /* TODO: cleanup allocated resources(?) */
1833 os_free(hapd);
1834 return NULL;
1835}
1836
1837
1838/**
1839 * hostapd_init - Allocate and initialize per-interface data
1840 * @config_file: Path to the configuration file
1841 * Returns: Pointer to the allocated interface data or %NULL on failure
1842 *
1843 * This function is used to allocate main data structures for per-interface
1844 * data. The allocated data buffer will be freed by calling
1845 * hostapd_cleanup_iface().
1846 */
1847static struct hostapd_iface * hostapd_init(const char *config_file)
1848{
1849 struct hostapd_iface *hapd_iface = NULL;
1850 struct hostapd_config *conf = NULL;
1851 struct hostapd_data *hapd;
1852 size_t i;
1853
1854 hapd_iface = os_zalloc(sizeof(*hapd_iface));
1855 if (hapd_iface == NULL)
1856 goto fail;
1857
1858 hapd_iface->config_fname = os_strdup(config_file);
1859 if (hapd_iface->config_fname == NULL)
1860 goto fail;
1861
1862 conf = hostapd_config_read(hapd_iface->config_fname);
1863 if (conf == NULL)
1864 goto fail;
1865 hapd_iface->conf = conf;
1866
1867 hapd_iface->num_bss = conf->num_bss;
1868 hapd_iface->bss = os_zalloc(conf->num_bss *
1869 sizeof(struct hostapd_data *));
1870 if (hapd_iface->bss == NULL)
1871 goto fail;
1872
1873 for (i = 0; i < conf->num_bss; i++) {
1874 hapd = hapd_iface->bss[i] =
1875 hostapd_alloc_bss_data(hapd_iface, conf,
1876 &conf->bss[i]);
1877 if (hapd == NULL)
1878 goto fail;
1879 }
1880
1881 return hapd_iface;
1882
1883fail:
1884 if (conf)
1885 hostapd_config_free(conf);
1886 if (hapd_iface) {
1887 for (i = 0; hapd_iface->bss && i < hapd_iface->num_bss; i++) {
1888 hapd = hapd_iface->bss[i];
1889 if (hapd && hapd->ssl_ctx)
1890 tls_deinit(hapd->ssl_ctx);
1891 }
1892
1893 os_free(hapd_iface->config_fname);
1894 os_free(hapd_iface->bss);
1895 os_free(hapd_iface);
1896 }
1897 return NULL;
1898}
1899
1900
1901/**
1902 * register_drivers - Register driver interfaces
1903 *
1904 * This function is generated by Makefile (into driver_conf.c) to call all
1905 * configured driver interfaces to register them to core hostapd.
1906 */
1907void register_drivers(void);
1908
1909
1910/**
1911 * setup_interface_done - Callback when an interface is done being setup.
1912 * @iface: Pointer to interface data.
1913 * @status: Status of the interface setup (0 on success; -1 on failure).
1914 */
1915static void setup_interface_done(struct hostapd_iface *iface, int status)
1916{
1917 if (status) {
1918 wpa_printf(MSG_DEBUG, "%s: Unable to setup interface.",
1919 iface->bss[0]->conf->iface);
1920 eloop_terminate();
85141289 1921 } else if (!hostapd_drv_none(iface->bss[0]))
6fc6879b
JM		 1922 wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
1923 iface->bss[0]->conf->iface);
1924}
1925
1926
1927int main(int argc, char *argv[])
1928{
1929 struct hapd_interfaces interfaces;
1930 int ret = 1, k;
1931 size_t i, j;
da08a7c7 1932 int c, debug = 0, daemonize = 0, tnc = 0;
6fc6879b
JM		 1933 const char *pid_file = NULL;
1934
1935 hostapd_logger_register_cb(hostapd_logger_cb);
1936
1937 for (;;) {
1938 c = getopt(argc, argv, "BdhKP:tv");
1939 if (c < 0)
1940 break;
1941 switch (c) {
1942 case 'h':
1943 usage();
1944 break;
1945 case 'd':
1946 debug++;
1947 if (wpa_debug_level > 0)
1948 wpa_debug_level--;
1949 break;
1950 case 'B':
1951 daemonize++;
1952 break;
1953 case 'K':
1954 wpa_debug_show_keys++;
1955 break;
1956 case 'P':
1957 pid_file = optarg;
1958 break;
1959 case 't':
1960 wpa_debug_timestamp++;
1961 break;
1962 case 'v':
1963 show_version();
1964 exit(1);
1965 break;
1966
1967 default:
1968 usage();
1969 break;
1970 }
1971 }
1972
1973 if (optind == argc)
1974 usage();
1975
1976 if (eap_server_register_methods()) {
1977 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1978 return -1;
1979 }
1980
1981 interfaces.count = argc - optind;
1982
1983 interfaces.iface = os_malloc(interfaces.count *
1984 sizeof(struct hostapd_iface *));
1985 if (interfaces.iface == NULL) {
1986 wpa_printf(MSG_ERROR, "malloc failed\n");
1987 return -1;
1988 }
1989
1990 if (eloop_init(&interfaces)) {
1991 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1992 return -1;
1993 }
1994
1995#ifndef CONFIG_NATIVE_WINDOWS
1996 eloop_register_signal(SIGHUP, handle_reload, NULL);
1997 eloop_register_signal(SIGUSR1, handle_dump_state, NULL);
1998#endif /* CONFIG_NATIVE_WINDOWS */
1999 eloop_register_signal_terminate(handle_term, NULL);
2000
2001 /* Initialize interfaces */
2002 for (i = 0; i < interfaces.count; i++) {
2003 printf("Configuration file: %s\n", argv[optind + i]);
2004 interfaces.iface[i] = hostapd_init(argv[optind + i]);
2005 if (!interfaces.iface[i])
2006 goto out;
2007 for (k = 0; k < debug; k++) {
2008 if (interfaces.iface[i]->bss[0]->conf->
2009 logger_stdout_level > 0)
2010 interfaces.iface[i]->bss[0]->conf->
2011 logger_stdout_level--;
2012 }
2013
2014 ret = hostapd_setup_interface_start(interfaces.iface[i],
2015 setup_interface_done);
2016 if (ret)
2017 goto out;
da08a7c7
JM		 2018
2019 for (k = 0; k < (int) interfaces.iface[i]->num_bss; k++) {
2020 if (interfaces.iface[i]->bss[0]->conf->tnc)
2021 tnc++;
2022 }
2023 }
2024
2025#ifdef EAP_TNC
2026 if (tnc && tncs_global_init() < 0) {
2027 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
2028 goto out;
6fc6879b 2029 }
da08a7c7 2030#endif /* EAP_TNC */
6fc6879b
JM		 2031
2032 if (daemonize && os_daemonize(pid_file)) {
2033 perror("daemon");
2034 goto out;
2035 }
2036
2037#ifndef CONFIG_NATIVE_WINDOWS
2038 openlog("hostapd", 0, LOG_DAEMON);
2039#endif /* CONFIG_NATIVE_WINDOWS */
2040
2041 eloop_run();
2042
2043 /* Disconnect associated stations from all interfaces and BSSes */
2044 for (i = 0; i < interfaces.count; i++) {
2045 for (j = 0; j < interfaces.iface[i]->num_bss; j++) {
2046 struct hostapd_data *hapd =
2047 interfaces.iface[i]->bss[j];
2048 hostapd_free_stas(hapd);
2049 hostapd_flush_old_stations(hapd);
2050 }
2051 }
2052
2053 ret = 0;
2054
2055 out:
2056 /* Deinitialize all interfaces */
2057 for (i = 0; i < interfaces.count; i++) {
2058 if (!interfaces.iface[i])
2059 continue;
2060 hostapd_setup_interface_stop(interfaces.iface[i]);
2061 hostapd_cleanup_iface_pre(interfaces.iface[i]);
2062 for (j = 0; j < interfaces.iface[i]->num_bss; j++) {
2063 struct hostapd_data *hapd =
2064 interfaces.iface[i]->bss[j];
2065 hostapd_cleanup(hapd);
2066 if (j == interfaces.iface[i]->num_bss - 1 &&
2067 hapd->driver)
2068 hostapd_driver_deinit(hapd);
2069 }
2070 for (j = 0; j < interfaces.iface[i]->num_bss; j++)
2071 os_free(interfaces.iface[i]->bss[j]);
2072 hostapd_cleanup_iface(interfaces.iface[i]);
2073 }
2074 os_free(interfaces.iface);
2075
da08a7c7
JM		 2076#ifdef EAP_TNC
2077 tncs_global_deinit();
2078#endif /* EAP_TNC */
2079
6fc6879b
JM		 2080 eloop_destroy();
2081
2082#ifndef CONFIG_NATIVE_WINDOWS
2083 closelog();
2084#endif /* CONFIG_NATIVE_WINDOWS */
2085
2086 eap_server_unregister_methods();
2087
2088 os_daemonize_terminate(pid_file);
2089
2090 return ret;
2091}
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