2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
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.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
19 #include "ieee802_1x.h"
21 #include "hw_features.h"
22 #include "accounting.h"
25 #include "ieee802_11_defs.h"
26 #include "ieee802_11_auth.h"
30 #include "radius/radius_client.h"
31 #include "radius/radius_server.h"
34 #include "vlan_init.h"
35 #include "ctrl_iface.h"
37 #include "eap_server/eap_sim_db.h"
38 #include "eap_server/eap.h"
39 #include "eap_server/tncs.h"
41 #include "l2_packet/l2_packet.h"
42 #include "wps_hostapd.h"
43 #include "tkip_countermeasures.h"
46 static int hostapd_radius_get_eap_user(void *ctx
, const u8
*identity
,
47 size_t identity_len
, int phase2
,
48 struct eap_user
*user
);
49 static int hostapd_flush_old_stations(struct hostapd_data
*hapd
);
50 static int hostapd_setup_wpa(struct hostapd_data
*hapd
);
51 static int hostapd_setup_encryption(char *iface
, struct hostapd_data
*hapd
);
53 extern int wpa_debug_level
;
57 static int hostapd_sim_db_cb_sta(struct hostapd_data
*hapd
,
58 struct sta_info
*sta
, void *ctx
)
60 if (eapol_auth_eap_pending_cb(sta
->eapol_sm
, ctx
) == 0)
66 static void hostapd_sim_db_cb(void *ctx
, void *session_ctx
)
68 struct hostapd_data
*hapd
= ctx
;
69 if (ap_for_each_sta(hapd
, hostapd_sim_db_cb_sta
, session_ctx
) == 0)
70 radius_server_eap_pending_cb(hapd
->radius_srv
, session_ctx
);
72 #endif /* EAP_SERVER */
75 static void hostapd_wpa_auth_conf(struct hostapd_bss_config
*conf
,
76 struct wpa_auth_config
*wconf
)
78 wconf
->wpa
= conf
->wpa
;
79 wconf
->wpa_key_mgmt
= conf
->wpa_key_mgmt
;
80 wconf
->wpa_pairwise
= conf
->wpa_pairwise
;
81 wconf
->wpa_group
= conf
->wpa_group
;
82 wconf
->wpa_group_rekey
= conf
->wpa_group_rekey
;
83 wconf
->wpa_strict_rekey
= conf
->wpa_strict_rekey
;
84 wconf
->wpa_gmk_rekey
= conf
->wpa_gmk_rekey
;
85 wconf
->wpa_ptk_rekey
= conf
->wpa_ptk_rekey
;
86 wconf
->rsn_pairwise
= conf
->rsn_pairwise
;
87 wconf
->rsn_preauth
= conf
->rsn_preauth
;
88 wconf
->eapol_version
= conf
->eapol_version
;
89 wconf
->peerkey
= conf
->peerkey
;
90 wconf
->wmm_enabled
= conf
->wmm_enabled
;
91 wconf
->okc
= conf
->okc
;
92 #ifdef CONFIG_IEEE80211W
93 wconf
->ieee80211w
= conf
->ieee80211w
;
94 #endif /* CONFIG_IEEE80211W */
95 #ifdef CONFIG_IEEE80211R
96 wconf
->ssid_len
= conf
->ssid
.ssid_len
;
97 if (wconf
->ssid_len
> SSID_LEN
)
98 wconf
->ssid_len
= SSID_LEN
;
99 os_memcpy(wconf
->ssid
, conf
->ssid
.ssid
, wconf
->ssid_len
);
100 os_memcpy(wconf
->mobility_domain
, conf
->mobility_domain
,
101 MOBILITY_DOMAIN_ID_LEN
);
102 if (conf
->nas_identifier
&&
103 os_strlen(conf
->nas_identifier
) <= FT_R0KH_ID_MAX_LEN
) {
104 wconf
->r0_key_holder_len
= os_strlen(conf
->nas_identifier
);
105 os_memcpy(wconf
->r0_key_holder
, conf
->nas_identifier
,
106 wconf
->r0_key_holder_len
);
108 os_memcpy(wconf
->r1_key_holder
, conf
->r1_key_holder
, FT_R1KH_ID_LEN
);
109 wconf
->r0_key_lifetime
= conf
->r0_key_lifetime
;
110 wconf
->reassociation_deadline
= conf
->reassociation_deadline
;
111 wconf
->r0kh_list
= conf
->r0kh_list
;
112 wconf
->r1kh_list
= conf
->r1kh_list
;
113 wconf
->pmk_r1_push
= conf
->pmk_r1_push
;
114 #endif /* CONFIG_IEEE80211R */
118 int hostapd_reload_config(struct hostapd_iface
*iface
)
120 struct hostapd_data
*hapd
= iface
->bss
[0];
121 struct hostapd_config
*newconf
, *oldconf
;
122 struct wpa_auth_config wpa_auth_conf
;
125 newconf
= hostapd_config_read(iface
->config_fname
);
130 * Deauthenticate all stations since the new configuration may not
131 * allow them to use the BSS anymore.
133 for (j
= 0; j
< iface
->num_bss
; j
++)
134 hostapd_flush_old_stations(iface
->bss
[j
]);
136 /* TODO: update dynamic data based on changed configuration
137 * items (e.g., open/close sockets, etc.) */
138 radius_client_flush(hapd
->radius
, 0);
140 oldconf
= hapd
->iconf
;
141 hapd
->iconf
= newconf
;
142 hapd
->conf
= &newconf
->bss
[0];
143 iface
->conf
= newconf
;
145 if (hostapd_setup_wpa_psk(hapd
->conf
)) {
146 wpa_printf(MSG_ERROR
, "Failed to re-configure WPA PSK "
147 "after reloading configuration");
150 if (hapd
->conf
->wpa
&& hapd
->wpa_auth
== NULL
)
151 hostapd_setup_wpa(hapd
);
152 else if (hapd
->conf
->wpa
) {
153 hostapd_wpa_auth_conf(&newconf
->bss
[0], &wpa_auth_conf
);
154 wpa_reconfig(hapd
->wpa_auth
, &wpa_auth_conf
);
155 } else if (hapd
->wpa_auth
) {
156 wpa_deinit(hapd
->wpa_auth
);
157 hapd
->wpa_auth
= NULL
;
158 hostapd_set_privacy(hapd
, 0);
159 hostapd_setup_encryption(hapd
->conf
->iface
, hapd
);
162 ieee802_11_set_beacon(hapd
);
164 if (hapd
->conf
->ssid
.ssid_set
&&
165 hostapd_set_ssid(hapd
, (u8
*) hapd
->conf
->ssid
.ssid
,
166 hapd
->conf
->ssid
.ssid_len
)) {
167 wpa_printf(MSG_ERROR
, "Could not set SSID for kernel driver");
168 /* try to continue */
171 if (hapd
->conf
->ieee802_1x
|| hapd
->conf
->wpa
)
172 hostapd_set_ieee8021x(hapd
->conf
->iface
, hapd
, 1);
174 hostapd_config_free(oldconf
);
176 wpa_printf(MSG_DEBUG
, "Reconfigured interface %s", hapd
->conf
->iface
);
182 int handle_reload_iface(struct hostapd_iface
*iface
, void *ctx
)
184 if (hostapd_reload_config(iface
) < 0) {
185 wpa_printf(MSG_WARNING
, "Failed to read new configuration "
186 "file - continuing with old.");
192 #ifdef HOSTAPD_DUMP_STATE
194 * hostapd_dump_state - SIGUSR1 handler to dump hostapd state to a text file
196 static void hostapd_dump_state(struct hostapd_data
*hapd
)
200 struct sta_info
*sta
;
204 if (!hapd
->conf
->dump_log_name
) {
205 wpa_printf(MSG_DEBUG
, "Dump file not defined - ignoring dump "
210 wpa_printf(MSG_DEBUG
, "Dumping hostapd state to '%s'",
211 hapd
->conf
->dump_log_name
);
212 f
= fopen(hapd
->conf
->dump_log_name
, "w");
214 wpa_printf(MSG_WARNING
, "Could not open dump file '%s' for "
215 "writing.", hapd
->conf
->dump_log_name
);
220 fprintf(f
, "hostapd state dump - %s", ctime(&now
));
221 fprintf(f
, "num_sta=%d num_sta_non_erp=%d "
222 "num_sta_no_short_slot_time=%d\n"
223 "num_sta_no_short_preamble=%d\n",
224 hapd
->num_sta
, hapd
->iface
->num_sta_non_erp
,
225 hapd
->iface
->num_sta_no_short_slot_time
,
226 hapd
->iface
->num_sta_no_short_preamble
);
228 for (sta
= hapd
->sta_list
; sta
!= NULL
; sta
= sta
->next
) {
229 fprintf(f
, "\nSTA=" MACSTR
"\n", MAC2STR(sta
->addr
));
232 " AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
233 " capability=0x%x listen_interval=%d\n",
236 (sta
->flags
& WLAN_STA_AUTH
? "[AUTH]" : ""),
237 (sta
->flags
& WLAN_STA_ASSOC
? "[ASSOC]" : ""),
238 (sta
->flags
& WLAN_STA_PS
? "[PS]" : ""),
239 (sta
->flags
& WLAN_STA_TIM
? "[TIM]" : ""),
240 (sta
->flags
& WLAN_STA_PERM
? "[PERM]" : ""),
241 (sta
->flags
& WLAN_STA_AUTHORIZED
? "[AUTHORIZED]" :
243 (sta
->flags
& WLAN_STA_PENDING_POLL
? "[PENDING_POLL" :
245 (sta
->flags
& WLAN_STA_SHORT_PREAMBLE
?
246 "[SHORT_PREAMBLE]" : ""),
247 (sta
->flags
& WLAN_STA_PREAUTH
? "[PREAUTH]" : ""),
248 (sta
->flags
& WLAN_STA_WMM
? "[WMM]" : ""),
249 (sta
->flags
& WLAN_STA_MFP
? "[MFP]" : ""),
250 (sta
->flags
& WLAN_STA_WPS
? "[WPS]" : ""),
251 (sta
->flags
& WLAN_STA_MAYBE_WPS
? "[MAYBE_WPS]" : ""),
252 (sta
->flags
& WLAN_STA_NONERP
? "[NonERP]" : ""),
254 sta
->listen_interval
);
256 fprintf(f
, " supported_rates=");
257 for (i
= 0; i
< sta
->supported_rates_len
; i
++)
258 fprintf(f
, "%02x ", sta
->supported_rates
[i
]);
262 " timeout_next=%s\n",
263 (sta
->timeout_next
== STA_NULLFUNC
? "NULLFUNC POLL" :
264 (sta
->timeout_next
== STA_DISASSOC
? "DISASSOC" :
267 ieee802_1x_dump_state(f
, " ", sta
);
270 buf
= os_malloc(4096);
272 int count
= radius_client_get_mib(hapd
->radius
, buf
, 4096);
275 else if (count
> 4095)
278 fprintf(f
, "%s", buf
);
280 count
= radius_server_get_mib(hapd
->radius_srv
, buf
, 4096);
283 else if (count
> 4095)
286 fprintf(f
, "%s", buf
);
293 int handle_dump_state_iface(struct hostapd_iface
*iface
, void *ctx
)
297 for (i
= 0; i
< iface
->num_bss
; i
++)
298 hostapd_dump_state(iface
->bss
[i
]);
302 #endif /* HOSTAPD_DUMP_STATE */
305 static void hostapd_broadcast_key_clear_iface(struct hostapd_data
*hapd
,
310 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
311 if (hostapd_set_key(ifname
, hapd
, WPA_ALG_NONE
, NULL
, i
,
312 i
== 0 ? 1 : 0, NULL
, 0, NULL
, 0)) {
313 wpa_printf(MSG_DEBUG
, "Failed to clear default "
314 "encryption keys (ifname=%s keyidx=%d)",
318 #ifdef CONFIG_IEEE80211W
319 if (hapd
->conf
->ieee80211w
) {
320 for (i
= NUM_WEP_KEYS
; i
< NUM_WEP_KEYS
+ 2; i
++) {
321 if (hostapd_set_key(ifname
, hapd
, WPA_ALG_NONE
, NULL
,
322 i
, i
== 0 ? 1 : 0, NULL
, 0,
324 wpa_printf(MSG_DEBUG
, "Failed to clear "
325 "default mgmt encryption keys "
326 "(ifname=%s keyidx=%d)", ifname
, i
);
330 #endif /* CONFIG_IEEE80211W */
334 static int hostapd_broadcast_wep_clear(struct hostapd_data
*hapd
)
336 hostapd_broadcast_key_clear_iface(hapd
, hapd
->conf
->iface
);
341 static int hostapd_broadcast_wep_set(struct hostapd_data
*hapd
)
344 struct hostapd_ssid
*ssid
= &hapd
->conf
->ssid
;
347 if (ssid
->wep
.default_len
&&
348 hostapd_set_key(hapd
->conf
->iface
,
349 hapd
, WPA_ALG_WEP
, NULL
, idx
, idx
== ssid
->wep
.idx
,
350 NULL
, 0, ssid
->wep
.key
[idx
], ssid
->wep
.len
[idx
])) {
351 wpa_printf(MSG_WARNING
, "Could not set WEP encryption.");
355 if (ssid
->dyn_vlan_keys
) {
357 for (i
= 0; i
<= ssid
->max_dyn_vlan_keys
; i
++) {
359 struct hostapd_wep_keys
*key
= ssid
->dyn_vlan_keys
[i
];
362 ifname
= hostapd_get_vlan_id_ifname(hapd
->conf
->vlan
,
368 if (hostapd_set_key(ifname
, hapd
, WPA_ALG_WEP
, NULL
,
369 idx
, idx
== key
->idx
, NULL
, 0,
370 key
->key
[idx
], key
->len
[idx
])) {
371 wpa_printf(MSG_WARNING
, "Could not set "
372 "dynamic VLAN WEP encryption.");
382 * hostapd_cleanup - Per-BSS cleanup (deinitialization)
383 * @hapd: Pointer to BSS data
385 * This function is used to free all per-BSS data structures and resources.
386 * This gets called in a loop for each BSS between calls to
387 * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface
388 * is deinitialized. Most of the modules that are initialized in
389 * hostapd_setup_bss() are deinitialized here.
391 static void hostapd_cleanup(struct hostapd_data
*hapd
)
393 hostapd_ctrl_iface_deinit(hapd
);
395 os_free(hapd
->default_wep_key
);
396 hapd
->default_wep_key
= NULL
;
397 iapp_deinit(hapd
->iapp
);
399 accounting_deinit(hapd
);
400 rsn_preauth_iface_deinit(hapd
);
401 if (hapd
->wpa_auth
) {
402 wpa_deinit(hapd
->wpa_auth
);
403 hapd
->wpa_auth
= NULL
;
405 if (hostapd_set_privacy(hapd
, 0)) {
406 wpa_printf(MSG_DEBUG
, "Could not disable "
407 "PrivacyInvoked for interface %s",
411 if (hostapd_set_generic_elem(hapd
, (u8
*) "", 0)) {
412 wpa_printf(MSG_DEBUG
, "Could not remove generic "
413 "information element from interface %s",
417 ieee802_1x_deinit(hapd
);
419 hostapd_acl_deinit(hapd
);
420 radius_client_deinit(hapd
->radius
);
422 radius_server_deinit(hapd
->radius_srv
);
423 hapd
->radius_srv
= NULL
;
425 #ifdef CONFIG_IEEE80211R
426 l2_packet_deinit(hapd
->l2
);
427 #endif /* CONFIG_IEEE80211R */
429 hostapd_deinit_wps(hapd
);
433 tls_deinit(hapd
->ssl_ctx
);
434 hapd
->ssl_ctx
= NULL
;
436 #endif /* EAP_TLS_FUNCS */
439 if (hapd
->eap_sim_db_priv
) {
440 eap_sim_db_deinit(hapd
->eap_sim_db_priv
);
441 hapd
->eap_sim_db_priv
= NULL
;
443 #endif /* EAP_SERVER */
445 if (hapd
->interface_added
&&
446 hostapd_bss_remove(hapd
, hapd
->conf
->iface
)) {
447 wpa_printf(MSG_WARNING
, "Failed to remove BSS interface %s",
454 * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup
455 * @iface: Pointer to interface data
457 * This function is called before per-BSS data structures are deinitialized
458 * with hostapd_cleanup().
460 static void hostapd_cleanup_iface_pre(struct hostapd_iface
*iface
)
466 * hostapd_cleanup_iface - Complete per-interface cleanup
467 * @iface: Pointer to interface data
469 * This function is called after per-BSS data structures are deinitialized
470 * with hostapd_cleanup().
472 static void hostapd_cleanup_iface(struct hostapd_iface
*iface
)
474 hostapd_free_hw_features(iface
->hw_features
, iface
->num_hw_features
);
475 iface
->hw_features
= NULL
;
476 os_free(iface
->current_rates
);
477 iface
->current_rates
= NULL
;
478 ap_list_deinit(iface
);
479 hostapd_config_free(iface
->conf
);
482 os_free(iface
->config_fname
);
488 static int hostapd_setup_encryption(char *iface
, struct hostapd_data
*hapd
)
492 hostapd_broadcast_wep_set(hapd
);
494 if (hapd
->conf
->ssid
.wep
.default_len
)
497 for (i
= 0; i
< 4; i
++) {
498 if (hapd
->conf
->ssid
.wep
.key
[i
] &&
499 hostapd_set_key(iface
, hapd
, WPA_ALG_WEP
, NULL
, i
,
500 i
== hapd
->conf
->ssid
.wep
.idx
, NULL
, 0,
501 hapd
->conf
->ssid
.wep
.key
[i
],
502 hapd
->conf
->ssid
.wep
.len
[i
])) {
503 wpa_printf(MSG_WARNING
, "Could not set WEP "
507 if (hapd
->conf
->ssid
.wep
.key
[i
] &&
508 i
== hapd
->conf
->ssid
.wep
.idx
)
509 hostapd_set_privacy(hapd
, 1);
516 static int hostapd_flush_old_stations(struct hostapd_data
*hapd
)
520 if (hostapd_drv_none(hapd
))
523 wpa_printf(MSG_DEBUG
, "Flushing old station entries");
524 if (hostapd_flush(hapd
)) {
525 wpa_printf(MSG_WARNING
, "Could not connect to kernel driver.");
528 wpa_printf(MSG_DEBUG
, "Deauthenticate all stations");
530 /* New Prism2.5/3 STA firmware versions seem to have issues with this
531 * broadcast deauth frame. This gets the firmware in odd state where
532 * nothing works correctly, so let's skip sending this for the hostap
534 if (hapd
->driver
&& os_strcmp(hapd
->driver
->name
, "hostap") != 0) {
536 os_memset(addr
, 0xff, ETH_ALEN
);
537 hostapd_sta_deauth(hapd
, addr
,
538 WLAN_REASON_PREV_AUTH_NOT_VALID
);
545 static void hostapd_wpa_auth_logger(void *ctx
, const u8
*addr
,
546 logger_level level
, const char *txt
)
548 #ifndef CONFIG_NO_HOSTAPD_LOGGER
549 struct hostapd_data
*hapd
= ctx
;
554 hlevel
= HOSTAPD_LEVEL_WARNING
;
557 hlevel
= HOSTAPD_LEVEL_INFO
;
561 hlevel
= HOSTAPD_LEVEL_DEBUG
;
565 hostapd_logger(hapd
, addr
, HOSTAPD_MODULE_WPA
, hlevel
, "%s", txt
);
566 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
570 static void hostapd_wpa_auth_disconnect(void *ctx
, const u8
*addr
,
573 struct hostapd_data
*hapd
= ctx
;
574 struct sta_info
*sta
;
576 wpa_printf(MSG_DEBUG
, "%s: WPA authenticator requests disconnect: "
577 "STA " MACSTR
" reason %d",
578 __func__
, MAC2STR(addr
), reason
);
580 sta
= ap_get_sta(hapd
, addr
);
581 hostapd_sta_deauth(hapd
, addr
, reason
);
584 sta
->flags
&= ~(WLAN_STA_AUTH
| WLAN_STA_ASSOC
| WLAN_STA_AUTHORIZED
);
585 eloop_cancel_timeout(ap_handle_timer
, hapd
, sta
);
586 eloop_register_timeout(0, 0, ap_handle_timer
, hapd
, sta
);
587 sta
->timeout_next
= STA_REMOVE
;
591 static void hostapd_wpa_auth_mic_failure_report(void *ctx
, const u8
*addr
)
593 struct hostapd_data
*hapd
= ctx
;
594 michael_mic_failure(hapd
, addr
, 0);
598 static void hostapd_wpa_auth_set_eapol(void *ctx
, const u8
*addr
,
599 wpa_eapol_variable var
, int value
)
601 struct hostapd_data
*hapd
= ctx
;
602 struct sta_info
*sta
= ap_get_sta(hapd
, addr
);
606 case WPA_EAPOL_portEnabled
:
607 ieee802_1x_notify_port_enabled(sta
->eapol_sm
, value
);
609 case WPA_EAPOL_portValid
:
610 ieee802_1x_notify_port_valid(sta
->eapol_sm
, value
);
612 case WPA_EAPOL_authorized
:
613 ieee802_1x_set_sta_authorized(hapd
, sta
, value
);
615 case WPA_EAPOL_portControl_Auto
:
617 sta
->eapol_sm
->portControl
= Auto
;
619 case WPA_EAPOL_keyRun
:
621 sta
->eapol_sm
->keyRun
= value
? TRUE
: FALSE
;
623 case WPA_EAPOL_keyAvailable
:
625 sta
->eapol_sm
->eap_if
->eapKeyAvailable
=
626 value
? TRUE
: FALSE
;
628 case WPA_EAPOL_keyDone
:
630 sta
->eapol_sm
->keyDone
= value
? TRUE
: FALSE
;
632 case WPA_EAPOL_inc_EapolFramesTx
:
634 sta
->eapol_sm
->dot1xAuthEapolFramesTx
++;
640 static int hostapd_wpa_auth_get_eapol(void *ctx
, const u8
*addr
,
641 wpa_eapol_variable var
)
643 struct hostapd_data
*hapd
= ctx
;
644 struct sta_info
*sta
= ap_get_sta(hapd
, addr
);
645 if (sta
== NULL
|| sta
->eapol_sm
== NULL
)
648 case WPA_EAPOL_keyRun
:
649 return sta
->eapol_sm
->keyRun
;
650 case WPA_EAPOL_keyAvailable
:
651 return sta
->eapol_sm
->eap_if
->eapKeyAvailable
;
658 static const u8
* hostapd_wpa_auth_get_psk(void *ctx
, const u8
*addr
,
661 struct hostapd_data
*hapd
= ctx
;
662 return hostapd_get_psk(hapd
->conf
, addr
, prev_psk
);
666 static int hostapd_wpa_auth_get_msk(void *ctx
, const u8
*addr
, u8
*msk
,
669 struct hostapd_data
*hapd
= ctx
;
672 struct sta_info
*sta
;
674 sta
= ap_get_sta(hapd
, addr
);
678 key
= ieee802_1x_get_key(sta
->eapol_sm
, &keylen
);
684 os_memcpy(msk
, key
, keylen
);
691 static int hostapd_wpa_auth_set_key(void *ctx
, int vlan_id
, wpa_alg alg
,
692 const u8
*addr
, int idx
, u8
*key
,
695 struct hostapd_data
*hapd
= ctx
;
696 const char *ifname
= hapd
->conf
->iface
;
699 ifname
= hostapd_get_vlan_id_ifname(hapd
->conf
->vlan
, vlan_id
);
704 return hostapd_set_key(ifname
, hapd
, alg
, addr
, idx
, 1, NULL
, 0,
709 static int hostapd_wpa_auth_get_seqnum(void *ctx
, const u8
*addr
, int idx
,
712 struct hostapd_data
*hapd
= ctx
;
713 return hostapd_get_seqnum(hapd
->conf
->iface
, hapd
, addr
, idx
, seq
);
717 static int hostapd_wpa_auth_get_seqnum_igtk(void *ctx
, const u8
*addr
, int idx
,
720 struct hostapd_data
*hapd
= ctx
;
721 return hostapd_get_seqnum_igtk(hapd
->conf
->iface
, hapd
, addr
, idx
,
726 static int hostapd_wpa_auth_send_eapol(void *ctx
, const u8
*addr
,
727 const u8
*data
, size_t data_len
,
730 struct hostapd_data
*hapd
= ctx
;
731 return hostapd_send_eapol(hapd
, addr
, data
, data_len
, encrypt
);
735 static int hostapd_wpa_auth_for_each_sta(
736 void *ctx
, int (*cb
)(struct wpa_state_machine
*sm
, void *ctx
),
739 struct hostapd_data
*hapd
= ctx
;
740 struct sta_info
*sta
;
742 for (sta
= hapd
->sta_list
; sta
; sta
= sta
->next
) {
743 if (sta
->wpa_sm
&& cb(sta
->wpa_sm
, cb_ctx
))
750 struct wpa_auth_iface_iter_data
{
751 int (*cb
)(struct wpa_authenticator
*sm
, void *ctx
);
755 static int wpa_auth_iface_iter(struct hostapd_iface
*iface
, void *ctx
)
757 struct wpa_auth_iface_iter_data
*data
= ctx
;
759 for (i
= 0; i
< iface
->num_bss
; i
++) {
760 if (data
->cb(iface
->bss
[i
]->wpa_auth
, data
->cb_ctx
))
767 static int hostapd_wpa_auth_for_each_auth(
768 void *ctx
, int (*cb
)(struct wpa_authenticator
*sm
, void *ctx
),
771 struct wpa_auth_iface_iter_data data
;
773 data
.cb_ctx
= cb_ctx
;
774 return hostapd_for_each_interface(wpa_auth_iface_iter
, &data
);
778 static int hostapd_wpa_auth_send_ether(void *ctx
, const u8
*dst
, u16 proto
,
779 const u8
*data
, size_t data_len
)
781 struct hostapd_data
*hapd
= ctx
;
783 if (hapd
->driver
&& hapd
->driver
->send_ether
)
784 return hapd
->driver
->send_ether(hapd
->drv_priv
, dst
,
785 hapd
->own_addr
, proto
,
787 if (hapd
->l2
== NULL
)
789 return l2_packet_send(hapd
->l2
, dst
, proto
, data
, data_len
);
793 #ifdef CONFIG_IEEE80211R
795 static int hostapd_wpa_auth_send_ft_action(void *ctx
, const u8
*dst
,
796 const u8
*data
, size_t data_len
)
798 struct hostapd_data
*hapd
= ctx
;
800 struct ieee80211_mgmt
*m
;
802 struct sta_info
*sta
;
804 sta
= ap_get_sta(hapd
, dst
);
805 if (sta
== NULL
|| sta
->wpa_sm
== NULL
)
808 m
= os_zalloc(sizeof(*m
) + data_len
);
811 mlen
= ((u8
*) &m
->u
- (u8
*) m
) + data_len
;
812 m
->frame_control
= IEEE80211_FC(WLAN_FC_TYPE_MGMT
,
813 WLAN_FC_STYPE_ACTION
);
814 os_memcpy(m
->da
, dst
, ETH_ALEN
);
815 os_memcpy(m
->sa
, hapd
->own_addr
, ETH_ALEN
);
816 os_memcpy(m
->bssid
, hapd
->own_addr
, ETH_ALEN
);
817 os_memcpy(&m
->u
, data
, data_len
);
819 res
= hostapd_send_mgmt_frame(hapd
, (u8
*) m
, mlen
);
825 static struct wpa_state_machine
*
826 hostapd_wpa_auth_add_sta(void *ctx
, const u8
*sta_addr
)
828 struct hostapd_data
*hapd
= ctx
;
829 struct sta_info
*sta
;
831 sta
= ap_sta_add(hapd
, sta_addr
);
837 sta
->wpa_sm
= wpa_auth_sta_init(hapd
->wpa_auth
, sta
->addr
);
838 if (sta
->wpa_sm
== NULL
) {
839 ap_free_sta(hapd
, sta
);
842 sta
->auth_alg
= WLAN_AUTH_FT
;
848 static void hostapd_rrb_receive(void *ctx
, const u8
*src_addr
, const u8
*buf
,
851 struct hostapd_data
*hapd
= ctx
;
852 wpa_ft_rrb_rx(hapd
->wpa_auth
, src_addr
, buf
, len
);
855 #endif /* CONFIG_IEEE80211R */
859 * hostapd_validate_bssid_configuration - Validate BSSID configuration
860 * @iface: Pointer to interface data
861 * Returns: 0 on success, -1 on failure
863 * This function is used to validate that the configured BSSIDs are valid.
865 static int hostapd_validate_bssid_configuration(struct hostapd_iface
*iface
)
867 u8 mask
[ETH_ALEN
] = { 0 };
868 struct hostapd_data
*hapd
= iface
->bss
[0];
869 unsigned int i
= iface
->conf
->num_bss
, bits
= 0, j
;
873 if (hostapd_drv_none(hapd
))
876 /* Generate BSSID mask that is large enough to cover the BSSIDs. */
878 /* Determine the bits necessary to cover the number of BSSIDs. */
879 for (i
--; i
; i
>>= 1)
882 /* Determine the bits necessary to any configured BSSIDs,
883 if they are higher than the number of BSSIDs. */
884 for (j
= 0; j
< iface
->conf
->num_bss
; j
++) {
885 if (hostapd_mac_comp_empty(iface
->conf
->bss
[j
].bssid
) == 0) {
891 for (i
= 0; i
< ETH_ALEN
; i
++) {
893 iface
->conf
->bss
[j
].bssid
[i
] ^
901 for (i
= 0; i
< ETH_ALEN
&& mask
[i
] == 0; i
++)
907 while (mask
[i
] != 0) {
917 wpa_printf(MSG_ERROR
, "Too many bits in the BSSID mask (%u)",
922 os_memset(mask
, 0xff, ETH_ALEN
);
924 for (i
= 5; i
> 5 - j
; i
--)
931 wpa_printf(MSG_DEBUG
, "BSS count %lu, BSSID mask " MACSTR
" (%d bits)",
932 (unsigned long) iface
->conf
->num_bss
, MAC2STR(mask
), bits
);
934 res
= hostapd_valid_bss_mask(hapd
, hapd
->own_addr
, mask
);
939 wpa_printf(MSG_ERROR
, "Driver did not accept BSSID mask "
940 MACSTR
" for start address " MACSTR
".",
941 MAC2STR(mask
), MAC2STR(hapd
->own_addr
));
948 for (i
= 0; i
< ETH_ALEN
; i
++) {
949 if ((hapd
->own_addr
[i
] & mask
[i
]) != hapd
->own_addr
[i
]) {
950 wpa_printf(MSG_ERROR
, "Invalid BSSID mask " MACSTR
951 " for start address " MACSTR
".",
952 MAC2STR(mask
), MAC2STR(hapd
->own_addr
));
953 wpa_printf(MSG_ERROR
, "Start address must be the "
954 "first address in the block (i.e., addr "
955 "AND mask == addr).");
964 static int mac_in_conf(struct hostapd_config
*conf
, const void *a
)
968 for (i
= 0; i
< conf
->num_bss
; i
++) {
969 if (hostapd_mac_comp(conf
->bss
[i
].bssid
, a
) == 0) {
978 static int hostapd_setup_wpa(struct hostapd_data
*hapd
)
980 struct wpa_auth_config _conf
;
981 struct wpa_auth_callbacks cb
;
985 hostapd_wpa_auth_conf(hapd
->conf
, &_conf
);
986 os_memset(&cb
, 0, sizeof(cb
));
988 cb
.logger
= hostapd_wpa_auth_logger
;
989 cb
.disconnect
= hostapd_wpa_auth_disconnect
;
990 cb
.mic_failure_report
= hostapd_wpa_auth_mic_failure_report
;
991 cb
.set_eapol
= hostapd_wpa_auth_set_eapol
;
992 cb
.get_eapol
= hostapd_wpa_auth_get_eapol
;
993 cb
.get_psk
= hostapd_wpa_auth_get_psk
;
994 cb
.get_msk
= hostapd_wpa_auth_get_msk
;
995 cb
.set_key
= hostapd_wpa_auth_set_key
;
996 cb
.get_seqnum
= hostapd_wpa_auth_get_seqnum
;
997 cb
.get_seqnum_igtk
= hostapd_wpa_auth_get_seqnum_igtk
;
998 cb
.send_eapol
= hostapd_wpa_auth_send_eapol
;
999 cb
.for_each_sta
= hostapd_wpa_auth_for_each_sta
;
1000 cb
.for_each_auth
= hostapd_wpa_auth_for_each_auth
;
1001 cb
.send_ether
= hostapd_wpa_auth_send_ether
;
1002 #ifdef CONFIG_IEEE80211R
1003 cb
.send_ft_action
= hostapd_wpa_auth_send_ft_action
;
1004 cb
.add_sta
= hostapd_wpa_auth_add_sta
;
1005 #endif /* CONFIG_IEEE80211R */
1006 hapd
->wpa_auth
= wpa_init(hapd
->own_addr
, &_conf
, &cb
);
1007 if (hapd
->wpa_auth
== NULL
) {
1008 wpa_printf(MSG_ERROR
, "WPA initialization failed.");
1012 if (hostapd_set_privacy(hapd
, 1)) {
1013 wpa_printf(MSG_ERROR
, "Could not set PrivacyInvoked "
1014 "for interface %s", hapd
->conf
->iface
);
1018 wpa_ie
= wpa_auth_get_wpa_ie(hapd
->wpa_auth
, &wpa_ie_len
);
1019 if (hostapd_set_generic_elem(hapd
, wpa_ie
, wpa_ie_len
)) {
1020 wpa_printf(MSG_ERROR
, "Failed to configure WPA IE for "
1021 "the kernel driver.");
1025 if (rsn_preauth_iface_init(hapd
)) {
1026 wpa_printf(MSG_ERROR
, "Initialization of RSN "
1027 "pre-authentication failed.");
1036 static int hostapd_setup_radius_srv(struct hostapd_data
*hapd
,
1037 struct hostapd_bss_config
*conf
)
1039 struct radius_server_conf srv
;
1040 os_memset(&srv
, 0, sizeof(srv
));
1041 srv
.client_file
= conf
->radius_server_clients
;
1042 srv
.auth_port
= conf
->radius_server_auth_port
;
1043 srv
.conf_ctx
= conf
;
1044 srv
.eap_sim_db_priv
= hapd
->eap_sim_db_priv
;
1045 srv
.ssl_ctx
= hapd
->ssl_ctx
;
1046 srv
.pac_opaque_encr_key
= conf
->pac_opaque_encr_key
;
1047 srv
.eap_fast_a_id
= conf
->eap_fast_a_id
;
1048 srv
.eap_fast_a_id_len
= conf
->eap_fast_a_id_len
;
1049 srv
.eap_fast_a_id_info
= conf
->eap_fast_a_id_info
;
1050 srv
.eap_fast_prov
= conf
->eap_fast_prov
;
1051 srv
.pac_key_lifetime
= conf
->pac_key_lifetime
;
1052 srv
.pac_key_refresh_time
= conf
->pac_key_refresh_time
;
1053 srv
.eap_sim_aka_result_ind
= conf
->eap_sim_aka_result_ind
;
1054 srv
.tnc
= conf
->tnc
;
1055 srv
.wps
= hapd
->wps
;
1056 srv
.ipv6
= conf
->radius_server_ipv6
;
1057 srv
.get_eap_user
= hostapd_radius_get_eap_user
;
1058 srv
.eap_req_id_text
= conf
->eap_req_id_text
;
1059 srv
.eap_req_id_text_len
= conf
->eap_req_id_text_len
;
1061 hapd
->radius_srv
= radius_server_init(&srv
);
1062 if (hapd
->radius_srv
== NULL
) {
1063 wpa_printf(MSG_ERROR
, "RADIUS server initialization failed.");
1072 * hostapd_setup_bss - Per-BSS setup (initialization)
1073 * @hapd: Pointer to BSS data
1074 * @first: Whether this BSS is the first BSS of an interface
1076 * This function is used to initialize all per-BSS data structures and
1077 * resources. This gets called in a loop for each BSS when an interface is
1078 * initialized. Most of the modules that are initialized here will be
1079 * deinitialized in hostapd_cleanup().
1081 static int hostapd_setup_bss(struct hostapd_data
*hapd
, int first
)
1083 struct hostapd_bss_config
*conf
= hapd
->conf
;
1084 u8 ssid
[HOSTAPD_MAX_SSID_LEN
+ 1];
1085 int ssid_len
, set_ssid
;
1088 if (hostapd_mac_comp_empty(hapd
->conf
->bssid
) == 0) {
1089 /* Allocate the next available BSSID. */
1091 inc_byte_array(hapd
->own_addr
, ETH_ALEN
);
1092 } while (mac_in_conf(hapd
->iconf
, hapd
->own_addr
));
1094 /* Allocate the configured BSSID. */
1095 os_memcpy(hapd
->own_addr
, hapd
->conf
->bssid
, ETH_ALEN
);
1097 if (hostapd_mac_comp(hapd
->own_addr
,
1098 hapd
->iface
->bss
[0]->own_addr
) ==
1100 wpa_printf(MSG_ERROR
, "BSS '%s' may not have "
1101 "BSSID set to the MAC address of "
1102 "the radio", hapd
->conf
->iface
);
1107 hapd
->interface_added
= 1;
1108 if (hostapd_bss_add(hapd
->iface
->bss
[0], hapd
->conf
->iface
,
1110 wpa_printf(MSG_ERROR
, "Failed to add BSS (BSSID="
1111 MACSTR
")", MAC2STR(hapd
->own_addr
));
1116 hostapd_flush_old_stations(hapd
);
1117 hostapd_set_privacy(hapd
, 0);
1119 hostapd_broadcast_wep_clear(hapd
);
1120 if (hostapd_setup_encryption(hapd
->conf
->iface
, hapd
))
1124 * Fetch the SSID from the system and use it or,
1125 * if one was specified in the config file, verify they
1128 ssid_len
= hostapd_get_ssid(hapd
, ssid
, sizeof(ssid
));
1130 wpa_printf(MSG_ERROR
, "Could not read SSID from system");
1133 if (conf
->ssid
.ssid_set
) {
1135 * If SSID is specified in the config file and it differs
1136 * from what is being used then force installation of the
1139 set_ssid
= (conf
->ssid
.ssid_len
!= (size_t) ssid_len
||
1140 os_memcmp(conf
->ssid
.ssid
, ssid
, ssid_len
) != 0);
1143 * No SSID in the config file; just use the one we got
1147 conf
->ssid
.ssid_len
= ssid_len
;
1148 os_memcpy(conf
->ssid
.ssid
, ssid
, conf
->ssid
.ssid_len
);
1149 conf
->ssid
.ssid
[conf
->ssid
.ssid_len
] = '\0';
1152 if (!hostapd_drv_none(hapd
)) {
1153 wpa_printf(MSG_ERROR
, "Using interface %s with hwaddr " MACSTR
1155 hapd
->conf
->iface
, MAC2STR(hapd
->own_addr
),
1156 hapd
->conf
->ssid
.ssid
);
1159 if (hostapd_setup_wpa_psk(conf
)) {
1160 wpa_printf(MSG_ERROR
, "WPA-PSK setup failed.");
1164 /* Set flag for whether SSID is broadcast in beacons */
1165 if (hostapd_set_broadcast_ssid(hapd
,
1166 !!hapd
->conf
->ignore_broadcast_ssid
)) {
1167 wpa_printf(MSG_ERROR
, "Could not set broadcast SSID flag for "
1172 /* Set SSID for the kernel driver (to be used in beacon and probe
1173 * response frames) */
1174 if (set_ssid
&& hostapd_set_ssid(hapd
, (u8
*) conf
->ssid
.ssid
,
1175 conf
->ssid
.ssid_len
)) {
1176 wpa_printf(MSG_ERROR
, "Could not set SSID for kernel driver");
1180 if (wpa_debug_level
== MSG_MSGDUMP
)
1181 conf
->radius
->msg_dumps
= 1;
1182 hapd
->radius
= radius_client_init(hapd
, conf
->radius
);
1183 if (hapd
->radius
== NULL
) {
1184 wpa_printf(MSG_ERROR
, "RADIUS client initialization failed.");
1188 if (hostapd_acl_init(hapd
)) {
1189 wpa_printf(MSG_ERROR
, "ACL initialization failed.");
1192 if (hostapd_init_wps(hapd
, conf
))
1195 if (ieee802_1x_init(hapd
)) {
1196 wpa_printf(MSG_ERROR
, "IEEE 802.1X initialization failed.");
1200 if (hapd
->conf
->wpa
&& hostapd_setup_wpa(hapd
))
1203 if (accounting_init(hapd
)) {
1204 wpa_printf(MSG_ERROR
, "Accounting initialization failed.");
1208 if (hapd
->conf
->ieee802_11f
&&
1209 (hapd
->iapp
= iapp_init(hapd
, hapd
->conf
->iapp_iface
)) == NULL
) {
1210 wpa_printf(MSG_ERROR
, "IEEE 802.11F (IAPP) initialization "
1215 if (hostapd_ctrl_iface_init(hapd
)) {
1216 wpa_printf(MSG_ERROR
, "Failed to setup control interface");
1220 if (!hostapd_drv_none(hapd
) && vlan_init(hapd
)) {
1221 wpa_printf(MSG_ERROR
, "VLAN initialization failed.");
1225 #ifdef CONFIG_IEEE80211R
1226 if (!hostapd_drv_none(hapd
)) {
1227 hapd
->l2
= l2_packet_init(hapd
->conf
->iface
, NULL
, ETH_P_RRB
,
1228 hostapd_rrb_receive
, hapd
, 0);
1229 if (hapd
->l2
== NULL
&&
1230 (hapd
->driver
== NULL
||
1231 hapd
->driver
->send_ether
== NULL
)) {
1232 wpa_printf(MSG_ERROR
, "Failed to open l2_packet "
1237 #endif /* CONFIG_IEEE80211R */
1239 ieee802_11_set_beacon(hapd
);
1241 if (conf
->radius_server_clients
&&
1242 hostapd_setup_radius_srv(hapd
, conf
))
1249 static void hostapd_tx_queue_params(struct hostapd_iface
*iface
)
1251 struct hostapd_data
*hapd
= iface
->bss
[0];
1253 struct hostapd_tx_queue_params
*p
;
1255 for (i
= 0; i
< NUM_TX_QUEUES
; i
++) {
1256 p
= &iface
->conf
->tx_queue
[i
];
1261 if (hostapd_set_tx_queue_params(hapd
, i
, p
->aifs
, p
->cwmin
,
1262 p
->cwmax
, p
->burst
)) {
1263 wpa_printf(MSG_DEBUG
, "Failed to set TX queue "
1264 "parameters for queue %d.", i
);
1265 /* Continue anyway */
1271 static int hostapd_radius_get_eap_user(void *ctx
, const u8
*identity
,
1272 size_t identity_len
, int phase2
,
1273 struct eap_user
*user
)
1275 const struct hostapd_eap_user
*eap_user
;
1278 eap_user
= hostapd_get_eap_user(ctx
, identity
, identity_len
, phase2
);
1279 if (eap_user
== NULL
)
1285 os_memset(user
, 0, sizeof(*user
));
1286 count
= EAP_USER_MAX_METHODS
;
1287 if (count
> EAP_MAX_METHODS
)
1288 count
= EAP_MAX_METHODS
;
1289 for (i
= 0; i
< count
; i
++) {
1290 user
->methods
[i
].vendor
= eap_user
->methods
[i
].vendor
;
1291 user
->methods
[i
].method
= eap_user
->methods
[i
].method
;
1294 if (eap_user
->password
) {
1295 user
->password
= os_malloc(eap_user
->password_len
);
1296 if (user
->password
== NULL
)
1298 os_memcpy(user
->password
, eap_user
->password
,
1299 eap_user
->password_len
);
1300 user
->password_len
= eap_user
->password_len
;
1301 user
->password_hash
= eap_user
->password_hash
;
1303 user
->force_version
= eap_user
->force_version
;
1304 user
->ttls_auth
= eap_user
->ttls_auth
;
1310 static int setup_interface(struct hostapd_iface
*iface
)
1312 struct hostapd_data
*hapd
= iface
->bss
[0];
1313 struct hostapd_bss_config
*conf
= hapd
->conf
;
1316 u8
*b
= conf
->bssid
;
1319 * Initialize the driver interface and make sure that all BSSes get
1320 * configured with a pointer to this driver interface.
1322 if (!(b
[0] | b
[1] | b
[2] | b
[3] | b
[4] | b
[5]))
1324 hapd
->drv_priv
= hostapd_driver_init(hapd
, b
);
1326 if (hapd
->drv_priv
== NULL
) {
1327 wpa_printf(MSG_ERROR
, "%s driver initialization failed.",
1328 hapd
->driver
? hapd
->driver
->name
: "Unknown");
1329 hapd
->driver
= NULL
;
1332 for (i
= 0; i
< iface
->num_bss
; i
++) {
1333 iface
->bss
[i
]->driver
= hapd
->driver
;
1334 iface
->bss
[i
]->drv_priv
= hapd
->drv_priv
;
1337 if (hostapd_driver_set_mode(hapd
, IEEE80211_MODE_AP
)) {
1338 wpa_printf(MSG_ERROR
, "Failed to set driver in AP mode");
1342 if (hostapd_validate_bssid_configuration(iface
))
1345 #ifdef CONFIG_IEEE80211N
1346 SET_2BIT_LE16(&iface
->ht_op_mode
,
1347 HT_INFO_OPERATION_MODE_OP_MODE_OFFSET
,
1349 #endif /* CONFIG_IEEE80211N */
1351 if (hapd
->iconf
->country
[0] && hapd
->iconf
->country
[1]) {
1352 os_memcpy(country
, hapd
->iconf
->country
, 3);
1354 if (hostapd_set_country(hapd
, country
) < 0) {
1355 wpa_printf(MSG_ERROR
, "Failed to set country code");
1360 if (hapd
->iconf
->ieee80211d
&&
1361 hostapd_set_ieee80211d(hapd
, 1) < 0) {
1362 wpa_printf(MSG_ERROR
, "Failed to set ieee80211d (%d)",
1363 hapd
->iconf
->ieee80211d
);
1367 if (hapd
->iconf
->bridge_packets
!= INTERNAL_BRIDGE_DO_NOT_CONTROL
&&
1368 hostapd_set_internal_bridge(hapd
, hapd
->iconf
->bridge_packets
)) {
1369 wpa_printf(MSG_ERROR
, "Failed to set bridge_packets for "
1374 if (hostapd_get_hw_features(iface
)) {
1375 /* Not all drivers support this yet, so continue without hw
1378 int ret
= hostapd_select_hw_mode(iface
);
1380 wpa_printf(MSG_ERROR
, "Could not select hw_mode and "
1381 "channel. (%d)", ret
);
1384 ret
= hostapd_check_ht_capab(iface
);
1388 wpa_printf(MSG_DEBUG
, "Interface initialization will "
1389 "be completed in a callback");
1393 return hostapd_setup_interface_complete(iface
, 0);
1397 int hostapd_setup_interface_complete(struct hostapd_iface
*iface
, int err
)
1399 struct hostapd_data
*hapd
= iface
->bss
[0];
1405 wpa_printf(MSG_ERROR
, "Interface initialization failed");
1410 wpa_printf(MSG_DEBUG
, "Completing interface initialization");
1411 if (hapd
->iconf
->channel
) {
1412 freq
= hostapd_hw_get_freq(hapd
, hapd
->iconf
->channel
);
1413 wpa_printf(MSG_DEBUG
, "Mode: %s Channel: %d "
1414 "Frequency: %d MHz",
1415 hostapd_hw_mode_txt(hapd
->iconf
->hw_mode
),
1416 hapd
->iconf
->channel
, freq
);
1418 if (hostapd_set_freq(hapd
, hapd
->iconf
->hw_mode
, freq
,
1419 hapd
->iconf
->channel
,
1420 hapd
->iconf
->ieee80211n
,
1421 hapd
->iconf
->secondary_channel
)) {
1422 wpa_printf(MSG_ERROR
, "Could not set channel for "
1428 hostapd_set_beacon_int(hapd
, hapd
->iconf
->beacon_int
);
1430 if (hapd
->iconf
->rts_threshold
> -1 &&
1431 hostapd_set_rts(hapd
, hapd
->iconf
->rts_threshold
)) {
1432 wpa_printf(MSG_ERROR
, "Could not set RTS threshold for "
1437 if (hapd
->iconf
->fragm_threshold
> -1 &&
1438 hostapd_set_frag(hapd
, hapd
->iconf
->fragm_threshold
)) {
1439 wpa_printf(MSG_ERROR
, "Could not set fragmentation threshold "
1440 "for kernel driver");
1444 prev_addr
= hapd
->own_addr
;
1446 for (j
= 0; j
< iface
->num_bss
; j
++) {
1447 hapd
= iface
->bss
[j
];
1449 os_memcpy(hapd
->own_addr
, prev_addr
, ETH_ALEN
);
1450 if (hostapd_setup_bss(hapd
, j
== 0))
1452 if (hostapd_mac_comp_empty(hapd
->conf
->bssid
) == 0)
1453 prev_addr
= hapd
->own_addr
;
1456 hostapd_tx_queue_params(iface
);
1458 ap_list_init(iface
);
1460 if (hostapd_driver_commit(hapd
) < 0) {
1461 wpa_printf(MSG_ERROR
, "%s: Failed to commit driver "
1462 "configuration", __func__
);
1466 wpa_printf(MSG_DEBUG
, "%s: Setup of interface done.",
1467 iface
->bss
[0]->conf
->iface
);
1474 * hostapd_setup_interface - Setup of an interface
1475 * @iface: Pointer to interface data.
1476 * Returns: 0 on success, -1 on failure
1478 * Initializes the driver interface, validates the configuration,
1479 * and sets driver parameters based on the configuration.
1480 * Flushes old stations, sets the channel, encryption,
1481 * beacons, and WDS links based on the configuration.
1483 int hostapd_setup_interface(struct hostapd_iface
*iface
)
1487 ret
= setup_interface(iface
);
1489 wpa_printf(MSG_DEBUG
, "%s: Unable to setup interface.",
1490 iface
->bss
[0]->conf
->iface
);
1500 * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
1501 * @hapd_iface: Pointer to interface data
1502 * @conf: Pointer to per-interface configuration
1503 * @bss: Pointer to per-BSS configuration for this BSS
1504 * Returns: Pointer to allocated BSS data
1506 * This function is used to allocate per-BSS data structure. This data will be
1507 * freed after hostapd_cleanup() is called for it during interface
1510 struct hostapd_data
*
1511 hostapd_alloc_bss_data(struct hostapd_iface
*hapd_iface
,
1512 struct hostapd_config
*conf
,
1513 struct hostapd_bss_config
*bss
)
1515 struct hostapd_data
*hapd
;
1517 hapd
= os_zalloc(sizeof(*hapd
));
1523 hapd
->iface
= hapd_iface
;
1525 if (hapd
->conf
->individual_wep_key_len
> 0) {
1526 /* use key0 in individual key and key1 in broadcast key */
1527 hapd
->default_wep_key_idx
= 1;
1530 #ifdef EAP_TLS_FUNCS
1531 if (hapd
->conf
->eap_server
&&
1532 (hapd
->conf
->ca_cert
|| hapd
->conf
->server_cert
||
1533 hapd
->conf
->dh_file
)) {
1534 struct tls_connection_params params
;
1536 hapd
->ssl_ctx
= tls_init(NULL
);
1537 if (hapd
->ssl_ctx
== NULL
) {
1538 wpa_printf(MSG_ERROR
, "Failed to initialize TLS");
1542 os_memset(¶ms
, 0, sizeof(params
));
1543 params
.ca_cert
= hapd
->conf
->ca_cert
;
1544 params
.client_cert
= hapd
->conf
->server_cert
;
1545 params
.private_key
= hapd
->conf
->private_key
;
1546 params
.private_key_passwd
= hapd
->conf
->private_key_passwd
;
1547 params
.dh_file
= hapd
->conf
->dh_file
;
1549 if (tls_global_set_params(hapd
->ssl_ctx
, ¶ms
)) {
1550 wpa_printf(MSG_ERROR
, "Failed to set TLS parameters");
1554 if (tls_global_set_verify(hapd
->ssl_ctx
,
1555 hapd
->conf
->check_crl
)) {
1556 wpa_printf(MSG_ERROR
, "Failed to enable check_crl");
1560 #endif /* EAP_TLS_FUNCS */
1563 if (hapd
->conf
->eap_sim_db
) {
1564 hapd
->eap_sim_db_priv
=
1565 eap_sim_db_init(hapd
->conf
->eap_sim_db
,
1566 hostapd_sim_db_cb
, hapd
);
1567 if (hapd
->eap_sim_db_priv
== NULL
) {
1568 wpa_printf(MSG_ERROR
, "Failed to initialize EAP-SIM "
1569 "database interface");
1573 #endif /* EAP_SERVER */
1575 hapd
->driver
= hapd
->iconf
->driver
;
1579 #if defined(EAP_TLS_FUNCS) || defined(EAP_SERVER)
1582 /* TODO: cleanup allocated resources(?) */
1588 void hostapd_interface_deinit(struct hostapd_iface
*iface
)
1595 hostapd_cleanup_iface_pre(iface
);
1596 for (j
= 0; j
< iface
->num_bss
; j
++) {
1597 struct hostapd_data
*hapd
= iface
->bss
[j
];
1598 hostapd_free_stas(hapd
);
1599 hostapd_flush_old_stations(hapd
);
1600 hostapd_cleanup(hapd
);
1601 if (j
== iface
->num_bss
- 1 && hapd
->driver
)
1602 hostapd_driver_deinit(hapd
);
1604 for (j
= 0; j
< iface
->num_bss
; j
++)
1605 os_free(iface
->bss
[j
]);
1606 hostapd_cleanup_iface(iface
);