3 * Copyright (c) 2003-2009, 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.
14 * This file implements functions for registering and unregistering
15 * %wpa_supplicant interfaces. In addition, this file contains number of
16 * functions for managing network connections.
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "eap_peer/eap.h"
24 #include "eap_server/eap_methods.h"
28 #include "l2_packet/l2_packet.h"
29 #include "wpa_supplicant_i.h"
31 #include "ctrl_iface.h"
32 #include "pcsc_funcs.h"
35 #include "pmksa_cache.h"
38 #include "ieee802_11_defs.h"
39 #include "blacklist.h"
40 #include "wpas_glue.h"
41 #include "wps_supplicant.h"
48 const char *wpa_supplicant_version =
49 "wpa_supplicant v" VERSION_STR "\n"
50 "Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi> and contributors";
52 const char *wpa_supplicant_license =
53 "This program is free software. You can distribute it and/or modify it\n"
54 "under the terms of the GNU General Public License version 2.\n"
56 "Alternatively, this software may be distributed under the terms of the\n"
57 "BSD license. See README and COPYING for more details.\n"
58 #ifdef EAP_TLS_OPENSSL
59 "\nThis product includes software developed by the OpenSSL Project\n"
60 "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n"
61 #endif /* EAP_TLS_OPENSSL */
64 #ifndef CONFIG_NO_STDOUT_DEBUG
65 /* Long text divided into parts in order to fit in C89 strings size limits. */
66 const char *wpa_supplicant_full_license1 =
67 "This program is free software; you can redistribute it and/or modify\n"
68 "it under the terms of the GNU General Public License version 2 as\n"
69 "published by the Free Software Foundation.\n"
71 "This program is distributed in the hope that it will be useful,\n"
72 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
73 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
74 "GNU General Public License for more details.\n"
76 const char *wpa_supplicant_full_license2 =
77 "You should have received a copy of the GNU General Public License\n"
78 "along with this program; if not, write to the Free Software\n"
79 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
81 "Alternatively, this software may be distributed under the terms of the\n"
84 "Redistribution and use in source and binary forms, with or without\n"
85 "modification, are permitted provided that the following conditions are\n"
88 const char *wpa_supplicant_full_license3 =
89 "1. Redistributions of source code must retain the above copyright\n"
90 " notice, this list of conditions and the following disclaimer.\n"
92 "2. Redistributions in binary form must reproduce the above copyright\n"
93 " notice, this list of conditions and the following disclaimer in the\n"
94 " documentation and/or other materials provided with the distribution.\n"
96 const char *wpa_supplicant_full_license4 =
97 "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
98 " names of its contributors may be used to endorse or promote products\n"
99 " derived from this software without specific prior written permission.\n"
101 "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
102 "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
103 "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
104 "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n";
105 const char *wpa_supplicant_full_license5 =
106 "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
107 "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
108 "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
109 "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
110 "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
111 "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
112 "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
114 #endif /* CONFIG_NO_STDOUT_DEBUG */
116 extern int wpa_debug_level;
117 extern int wpa_debug_show_keys;
118 extern int wpa_debug_timestamp;
119 extern struct wpa_driver_ops *wpa_drivers[];
121 /* Configure default/group WEP keys for static WEP */
122 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
126 for (i = 0; i < NUM_WEP_KEYS; i++) {
127 if (ssid->wep_key_len[i] == 0)
131 wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
132 (u8 *) "\xff\xff\xff\xff\xff\xff",
133 i, i == ssid->wep_tx_keyidx, (u8 *) "", 0,
134 ssid->wep_key[i], ssid->wep_key_len[i]);
141 static int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
142 struct wpa_ssid *ssid)
149 /* IBSS/WPA-None uses only one key (Group) for both receiving and
150 * sending unicast and multicast packets. */
152 if (ssid->mode != IEEE80211_MODE_IBSS) {
153 wpa_printf(MSG_INFO, "WPA: Invalid mode %d (not IBSS/ad-hoc) "
154 "for WPA-None", ssid->mode);
158 if (!ssid->psk_set) {
159 wpa_printf(MSG_INFO, "WPA: No PSK configured for WPA-None");
163 switch (wpa_s->group_cipher) {
164 case WPA_CIPHER_CCMP:
165 os_memcpy(key, ssid->psk, 16);
169 case WPA_CIPHER_TKIP:
170 /* WPA-None uses the same Michael MIC key for both TX and RX */
171 os_memcpy(key, ssid->psk, 16 + 8);
172 os_memcpy(key + 16 + 8, ssid->psk + 16, 8);
177 wpa_printf(MSG_INFO, "WPA: Invalid group cipher %d for "
178 "WPA-None", wpa_s->group_cipher);
182 /* TODO: should actually remember the previously used seq#, both for TX
183 * and RX from each STA.. */
185 return wpa_drv_set_key(wpa_s, alg, (u8 *) "\xff\xff\xff\xff\xff\xff",
186 0, 1, seq, 6, key, keylen);
190 static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx)
192 struct wpa_supplicant *wpa_s = eloop_ctx;
193 const u8 *bssid = wpa_s->bssid;
194 if (is_zero_ether_addr(bssid))
195 bssid = wpa_s->pending_bssid;
196 wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.",
198 wpa_blacklist_add(wpa_s, bssid);
199 wpa_sm_notify_disassoc(wpa_s->wpa);
200 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
201 wpa_s->reassociate = 1;
202 wpa_supplicant_req_scan(wpa_s, 0, 0);
207 * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication
208 * @wpa_s: Pointer to wpa_supplicant data
209 * @sec: Number of seconds after which to time out authentication
210 * @usec: Number of microseconds after which to time out authentication
212 * This function is used to schedule a timeout for the current authentication
215 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
218 if (wpa_s->conf && wpa_s->conf->ap_scan == 0 &&
219 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
222 wpa_msg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec "
223 "%d usec", sec, usec);
224 eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
225 eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL);
230 * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout
231 * @wpa_s: Pointer to wpa_supplicant data
233 * This function is used to cancel authentication timeout scheduled with
234 * wpa_supplicant_req_auth_timeout() and it is called when authentication has
237 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s)
239 wpa_msg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout");
240 eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
241 wpa_blacklist_del(wpa_s, wpa_s->bssid);
246 * wpa_supplicant_initiate_eapol - Configure EAPOL state machine
247 * @wpa_s: Pointer to wpa_supplicant data
249 * This function is used to configure EAPOL state machine based on the selected
250 * authentication mode.
252 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s)
254 #ifdef IEEE8021X_EAPOL
255 struct eapol_config eapol_conf;
256 struct wpa_ssid *ssid = wpa_s->current_ssid;
258 #ifdef CONFIG_IBSS_RSN
259 if (ssid->mode == IEEE80211_MODE_IBSS &&
260 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
261 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) {
263 * RSN IBSS authentication is per-STA and we can disable the
264 * per-BSSID EAPOL authentication.
266 eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized);
267 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
268 eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE);
271 #endif /* CONFIG_IBSS_RSN */
273 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
274 eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE);
276 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
277 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
278 eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized);
280 eapol_sm_notify_portControl(wpa_s->eapol, Auto);
282 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
283 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
284 eapol_conf.accept_802_1x_keys = 1;
285 eapol_conf.required_keys = 0;
286 if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) {
287 eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST;
289 if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) {
290 eapol_conf.required_keys |=
291 EAPOL_REQUIRE_KEY_BROADCAST;
294 if (wpa_s->conf && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
295 eapol_conf.required_keys = 0;
298 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
299 eapol_conf.workaround = ssid->eap_workaround;
300 eapol_conf.eap_disabled =
301 !wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
302 wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
303 wpa_s->key_mgmt != WPA_KEY_MGMT_WPS;
304 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
305 #endif /* IEEE8021X_EAPOL */
310 * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
311 * @wpa_s: Pointer to wpa_supplicant data
312 * @ssid: Configuration data for the network
314 * This function is used to configure WPA state machine and related parameters
315 * to a mode where WPA is not enabled. This is called as part of the
316 * authentication configuration when the selected network does not use WPA.
318 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
319 struct wpa_ssid *ssid)
323 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
324 wpa_s->key_mgmt = WPA_KEY_MGMT_WPS;
325 else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)
326 wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
328 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
329 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
330 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
331 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
332 wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
333 wpa_s->group_cipher = WPA_CIPHER_NONE;
334 wpa_s->mgmt_group_cipher = 0;
336 for (i = 0; i < NUM_WEP_KEYS; i++) {
337 if (ssid->wep_key_len[i] > 5) {
338 wpa_s->pairwise_cipher = WPA_CIPHER_WEP104;
339 wpa_s->group_cipher = WPA_CIPHER_WEP104;
341 } else if (ssid->wep_key_len[i] > 0) {
342 wpa_s->pairwise_cipher = WPA_CIPHER_WEP40;
343 wpa_s->group_cipher = WPA_CIPHER_WEP40;
348 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0);
349 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
350 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
351 wpa_s->pairwise_cipher);
352 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
353 #ifdef CONFIG_IEEE80211W
354 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
355 wpa_s->mgmt_group_cipher);
356 #endif /* CONFIG_IEEE80211W */
358 pmksa_cache_clear_current(wpa_s->wpa);
362 static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
364 bgscan_deinit(wpa_s);
365 scard_deinit(wpa_s->scard);
367 wpa_sm_set_scard_ctx(wpa_s->wpa, NULL);
368 eapol_sm_register_scard_ctx(wpa_s->eapol, NULL);
369 l2_packet_deinit(wpa_s->l2);
372 l2_packet_deinit(wpa_s->l2_br);
376 if (wpa_s->ctrl_iface) {
377 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
378 wpa_s->ctrl_iface = NULL;
380 if (wpa_s->conf != NULL) {
381 wpa_config_free(wpa_s->conf);
385 os_free(wpa_s->confname);
386 wpa_s->confname = NULL;
388 wpa_sm_set_eapol(wpa_s->wpa, NULL);
389 eapol_sm_deinit(wpa_s->eapol);
392 rsn_preauth_deinit(wpa_s->wpa);
394 pmksa_candidate_free(wpa_s->wpa);
395 wpa_sm_deinit(wpa_s->wpa);
397 wpa_blacklist_clear(wpa_s);
399 wpa_scan_results_free(wpa_s->scan_res);
400 wpa_s->scan_res = NULL;
402 wpa_supplicant_cancel_scan(wpa_s);
403 wpa_supplicant_cancel_auth_timeout(wpa_s);
405 ieee80211_sta_deinit(wpa_s);
407 wpas_wps_deinit(wpa_s);
409 wpabuf_free(wpa_s->pending_eapol_rx);
410 wpa_s->pending_eapol_rx = NULL;
412 #ifdef CONFIG_IBSS_RSN
413 ibss_rsn_deinit(wpa_s->ibss_rsn);
414 wpa_s->ibss_rsn = NULL;
415 #endif /* CONFIG_IBSS_RSN */
418 os_free(wpa_s->sme.ft_ies);
419 wpa_s->sme.ft_ies = NULL;
420 wpa_s->sme.ft_ies_len = 0;
421 #endif /* CONFIG_SME */
424 wpa_supplicant_ap_deinit(wpa_s);
425 #endif /* CONFIG_AP */
430 * wpa_clear_keys - Clear keys configured for the driver
431 * @wpa_s: Pointer to wpa_supplicant data
432 * @addr: Previously used BSSID or %NULL if not available
434 * This function clears the encryption keys that has been previously configured
437 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr)
439 u8 *bcast = (u8 *) "\xff\xff\xff\xff\xff\xff";
441 if (wpa_s->keys_cleared) {
442 /* Some drivers (e.g., ndiswrapper & NDIS drivers) seem to have
443 * timing issues with keys being cleared just before new keys
444 * are set or just after association or something similar. This
445 * shows up in group key handshake failing often because of the
446 * client not receiving the first encrypted packets correctly.
447 * Skipping some of the extra key clearing steps seems to help
448 * in completing group key handshake more reliably. */
449 wpa_printf(MSG_DEBUG, "No keys have been configured - "
450 "skip key clearing");
454 /* MLME-DELETEKEYS.request */
455 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 0, 0, NULL, 0, NULL, 0);
456 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 1, 0, NULL, 0, NULL, 0);
457 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 2, 0, NULL, 0, NULL, 0);
458 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 3, 0, NULL, 0, NULL, 0);
459 #ifdef CONFIG_IEEE80211W
460 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 4, 0, NULL, 0, NULL, 0);
461 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 5, 0, NULL, 0, NULL, 0);
462 #endif /* CONFIG_IEEE80211W */
464 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL,
466 /* MLME-SETPROTECTION.request(None) */
467 wpa_drv_mlme_setprotection(
469 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
470 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
472 wpa_s->keys_cleared = 1;
477 * wpa_supplicant_state_txt - Get the connection state name as a text string
478 * @state: State (wpa_state; WPA_*)
479 * Returns: The state name as a printable text string
481 const char * wpa_supplicant_state_txt(int state)
484 case WPA_DISCONNECTED:
485 return "DISCONNECTED";
490 case WPA_AUTHENTICATING:
491 return "AUTHENTICATING";
492 case WPA_ASSOCIATING:
493 return "ASSOCIATING";
496 case WPA_4WAY_HANDSHAKE:
497 return "4WAY_HANDSHAKE";
498 case WPA_GROUP_HANDSHAKE:
499 return "GROUP_HANDSHAKE";
509 * wpa_supplicant_set_state - Set current connection state
510 * @wpa_s: Pointer to wpa_supplicant data
511 * @state: The new connection state
513 * This function is called whenever the connection state changes, e.g.,
514 * association is completed for WPA/WPA2 4-Way Handshake is started.
516 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state)
518 wpa_printf(MSG_DEBUG, "State: %s -> %s",
519 wpa_supplicant_state_txt(wpa_s->wpa_state),
520 wpa_supplicant_state_txt(state));
522 if (state != WPA_SCANNING)
523 wpa_supplicant_notify_scanning(wpa_s, 0);
525 wpas_notify_state_changed(wpa_s, state, wpa_s->wpa_state);
527 if (state == WPA_COMPLETED && wpa_s->new_connection) {
528 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
529 struct wpa_ssid *ssid = wpa_s->current_ssid;
530 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to "
531 MACSTR " completed %s [id=%d id_str=%s]",
532 MAC2STR(wpa_s->bssid), wpa_s->reassociated_connection ?
533 "(reauth)" : "(auth)",
534 ssid ? ssid->id : -1,
535 ssid && ssid->id_str ? ssid->id_str : "");
536 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
537 wpa_s->new_connection = 0;
538 wpa_s->reassociated_connection = 1;
539 wpa_drv_set_operstate(wpa_s, 1);
540 } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
541 state == WPA_ASSOCIATED) {
542 wpa_s->new_connection = 1;
543 wpa_drv_set_operstate(wpa_s, 0);
545 wpa_s->wpa_state = state;
549 static void wpa_supplicant_terminate(int sig, void *eloop_ctx,
552 struct wpa_global *global = eloop_ctx;
553 struct wpa_supplicant *wpa_s;
554 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
555 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING "- signal %d "
562 static void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s)
564 wpa_states old_state = wpa_s->wpa_state;
565 wpa_s->pairwise_cipher = 0;
566 wpa_s->group_cipher = 0;
567 wpa_s->mgmt_group_cipher = 0;
569 wpa_s->wpa_state = WPA_DISCONNECTED;
570 wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
575 * wpa_supplicant_reload_configuration - Reload configuration data
576 * @wpa_s: Pointer to wpa_supplicant data
577 * Returns: 0 on success or -1 if configuration parsing failed
579 * This function can be used to request that the configuration data is reloaded
580 * (e.g., after configuration file change). This function is reloading
581 * configuration only for one interface, so this may need to be called multiple
582 * times if %wpa_supplicant is controlling multiple interfaces and all
583 * interfaces need reconfiguration.
585 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s)
587 struct wpa_config *conf;
588 struct wpa_ssid *old_ssid;
592 if (wpa_s->confname == NULL)
594 conf = wpa_config_read(wpa_s->confname);
596 wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration "
597 "file '%s' - exiting", wpa_s->confname);
601 reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface
602 || (conf->ctrl_interface && wpa_s->conf->ctrl_interface &&
603 os_strcmp(conf->ctrl_interface,
604 wpa_s->conf->ctrl_interface) != 0);
606 if (reconf_ctrl && wpa_s->ctrl_iface) {
607 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
608 wpa_s->ctrl_iface = NULL;
611 eapol_sm_invalidate_cached_session(wpa_s->eapol);
612 old_ssid = wpa_s->current_ssid;
613 wpa_s->current_ssid = NULL;
614 if (old_ssid != wpa_s->current_ssid)
615 wpas_notify_network_changed(wpa_s);
618 * TODO: should notify EAPOL SM about changes in opensc_engine_path,
619 * pkcs11_engine_path, pkcs11_module_path.
621 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
623 * Clear forced success to clear EAP state for next
626 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
628 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
629 wpa_sm_set_config(wpa_s->wpa, NULL);
630 wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth);
631 rsn_preauth_deinit(wpa_s->wpa);
633 old_ap_scan = wpa_s->conf->ap_scan;
634 wpa_config_free(wpa_s->conf);
636 if (old_ap_scan != wpa_s->conf->ap_scan)
637 wpas_notify_ap_scan_changed(wpa_s);
640 wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s);
642 wpa_supplicant_clear_status(wpa_s);
643 wpa_s->reassociate = 1;
644 wpa_supplicant_req_scan(wpa_s, 0, 0);
645 wpa_msg(wpa_s, MSG_DEBUG, "Reconfiguration completed");
650 static void wpa_supplicant_reconfig(int sig, void *eloop_ctx,
653 struct wpa_global *global = eloop_ctx;
654 struct wpa_supplicant *wpa_s;
655 wpa_printf(MSG_DEBUG, "Signal %d received - reconfiguring", sig);
656 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
657 if (wpa_supplicant_reload_configuration(wpa_s) < 0) {
664 static wpa_cipher cipher_suite2driver(int cipher)
667 case WPA_CIPHER_NONE:
669 case WPA_CIPHER_WEP40:
671 case WPA_CIPHER_WEP104:
672 return CIPHER_WEP104;
673 case WPA_CIPHER_CCMP:
675 case WPA_CIPHER_TKIP:
682 static wpa_key_mgmt key_mgmt2driver(int key_mgmt)
685 case WPA_KEY_MGMT_NONE:
686 return KEY_MGMT_NONE;
687 case WPA_KEY_MGMT_IEEE8021X_NO_WPA:
688 return KEY_MGMT_802_1X_NO_WPA;
689 case WPA_KEY_MGMT_IEEE8021X:
690 return KEY_MGMT_802_1X;
691 case WPA_KEY_MGMT_WPA_NONE:
692 return KEY_MGMT_WPA_NONE;
693 case WPA_KEY_MGMT_FT_IEEE8021X:
694 return KEY_MGMT_FT_802_1X;
695 case WPA_KEY_MGMT_FT_PSK:
696 return KEY_MGMT_FT_PSK;
697 case WPA_KEY_MGMT_IEEE8021X_SHA256:
698 return KEY_MGMT_802_1X_SHA256;
699 case WPA_KEY_MGMT_PSK_SHA256:
700 return KEY_MGMT_PSK_SHA256;
701 case WPA_KEY_MGMT_WPS:
703 case WPA_KEY_MGMT_PSK:
710 static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s,
711 struct wpa_ssid *ssid,
712 struct wpa_ie_data *ie)
714 int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie);
717 wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE "
718 "from association info");
723 wpa_printf(MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set cipher "
725 if (!(ie->group_cipher & ssid->group_cipher)) {
726 wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group "
727 "cipher 0x%x (mask 0x%x) - reject",
728 ie->group_cipher, ssid->group_cipher);
731 if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) {
732 wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise "
733 "cipher 0x%x (mask 0x%x) - reject",
734 ie->pairwise_cipher, ssid->pairwise_cipher);
737 if (!(ie->key_mgmt & ssid->key_mgmt)) {
738 wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key "
739 "management 0x%x (mask 0x%x) - reject",
740 ie->key_mgmt, ssid->key_mgmt);
744 #ifdef CONFIG_IEEE80211W
745 if (!(ie->capabilities & WPA_CAPABILITY_MFPC) &&
746 ssid->ieee80211w == IEEE80211W_REQUIRED) {
747 wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP "
748 "that does not support management frame protection - "
752 #endif /* CONFIG_IEEE80211W */
759 * wpa_supplicant_set_suites - Set authentication and encryption parameters
760 * @wpa_s: Pointer to wpa_supplicant data
761 * @bss: Scan results for the selected BSS, or %NULL if not available
762 * @ssid: Configuration data for the selected network
763 * @wpa_ie: Buffer for the WPA/RSN IE
764 * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the
765 * used buffer length in case the functions returns success.
766 * Returns: 0 on success or -1 on failure
768 * This function is used to configure authentication and encryption parameters
769 * based on the network configuration and scan result for the selected BSS (if
772 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
773 struct wpa_scan_res *bss,
774 struct wpa_ssid *ssid,
775 u8 *wpa_ie, size_t *wpa_ie_len)
777 struct wpa_ie_data ie;
779 const u8 *bss_wpa, *bss_rsn;
782 bss_wpa = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
783 bss_rsn = wpa_scan_get_ie(bss, WLAN_EID_RSN);
785 bss_wpa = bss_rsn = NULL;
787 if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) &&
788 wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 &&
789 (ie.group_cipher & ssid->group_cipher) &&
790 (ie.pairwise_cipher & ssid->pairwise_cipher) &&
791 (ie.key_mgmt & ssid->key_mgmt)) {
792 wpa_msg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0");
793 proto = WPA_PROTO_RSN;
794 } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) &&
795 wpa_parse_wpa_ie(bss_wpa, 2 +bss_wpa[1], &ie) == 0 &&
796 (ie.group_cipher & ssid->group_cipher) &&
797 (ie.pairwise_cipher & ssid->pairwise_cipher) &&
798 (ie.key_mgmt & ssid->key_mgmt)) {
799 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0");
800 proto = WPA_PROTO_WPA;
802 wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN");
805 if (ssid->proto & WPA_PROTO_RSN)
806 proto = WPA_PROTO_RSN;
808 proto = WPA_PROTO_WPA;
809 if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) {
810 os_memset(&ie, 0, sizeof(ie));
811 ie.group_cipher = ssid->group_cipher;
812 ie.pairwise_cipher = ssid->pairwise_cipher;
813 ie.key_mgmt = ssid->key_mgmt;
814 #ifdef CONFIG_IEEE80211W
815 ie.mgmt_group_cipher =
816 ssid->ieee80211w != NO_IEEE80211W ?
817 WPA_CIPHER_AES_128_CMAC : 0;
818 #endif /* CONFIG_IEEE80211W */
819 wpa_printf(MSG_DEBUG, "WPA: Set cipher suites based "
825 wpa_printf(MSG_DEBUG, "WPA: Selected cipher suites: group %d "
826 "pairwise %d key_mgmt %d proto %d",
827 ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto);
828 #ifdef CONFIG_IEEE80211W
829 if (ssid->ieee80211w) {
830 wpa_printf(MSG_DEBUG, "WPA: Selected mgmt group cipher %d",
831 ie.mgmt_group_cipher);
833 #endif /* CONFIG_IEEE80211W */
835 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto);
836 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED,
837 !!(ssid->proto & WPA_PROTO_RSN));
839 if (bss || !wpa_s->ap_ies_from_associnfo) {
840 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
841 bss_wpa ? 2 + bss_wpa[1] : 0) ||
842 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
843 bss_rsn ? 2 + bss_rsn[1] : 0))
847 sel = ie.group_cipher & ssid->group_cipher;
848 if (sel & WPA_CIPHER_CCMP) {
849 wpa_s->group_cipher = WPA_CIPHER_CCMP;
850 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using GTK CCMP");
851 } else if (sel & WPA_CIPHER_TKIP) {
852 wpa_s->group_cipher = WPA_CIPHER_TKIP;
853 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using GTK TKIP");
854 } else if (sel & WPA_CIPHER_WEP104) {
855 wpa_s->group_cipher = WPA_CIPHER_WEP104;
856 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP104");
857 } else if (sel & WPA_CIPHER_WEP40) {
858 wpa_s->group_cipher = WPA_CIPHER_WEP40;
859 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP40");
861 wpa_printf(MSG_WARNING, "WPA: Failed to select group cipher.");
865 sel = ie.pairwise_cipher & ssid->pairwise_cipher;
866 if (sel & WPA_CIPHER_CCMP) {
867 wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
868 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using PTK CCMP");
869 } else if (sel & WPA_CIPHER_TKIP) {
870 wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
871 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using PTK TKIP");
872 } else if (sel & WPA_CIPHER_NONE) {
873 wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
874 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using PTK NONE");
876 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
881 sel = ie.key_mgmt & ssid->key_mgmt;
883 #ifdef CONFIG_IEEE80211R
884 } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) {
885 wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X;
886 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X");
887 } else if (sel & WPA_KEY_MGMT_FT_PSK) {
888 wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK;
889 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK");
890 #endif /* CONFIG_IEEE80211R */
891 #ifdef CONFIG_IEEE80211W
892 } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) {
893 wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256;
894 wpa_msg(wpa_s, MSG_DEBUG,
895 "WPA: using KEY_MGMT 802.1X with SHA256");
896 } else if (sel & WPA_KEY_MGMT_PSK_SHA256) {
897 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256;
898 wpa_msg(wpa_s, MSG_DEBUG,
899 "WPA: using KEY_MGMT PSK with SHA256");
900 #endif /* CONFIG_IEEE80211W */
901 } else if (sel & WPA_KEY_MGMT_IEEE8021X) {
902 wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
903 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X");
904 } else if (sel & WPA_KEY_MGMT_PSK) {
905 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
906 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK");
907 } else if (sel & WPA_KEY_MGMT_WPA_NONE) {
908 wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE;
909 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE");
911 wpa_printf(MSG_WARNING, "WPA: Failed to select authenticated "
912 "key management type.");
916 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
917 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
918 wpa_s->pairwise_cipher);
919 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
921 #ifdef CONFIG_IEEE80211W
922 sel = ie.mgmt_group_cipher;
923 if (ssid->ieee80211w == NO_IEEE80211W ||
924 !(ie.capabilities & WPA_CAPABILITY_MFPC))
926 if (sel & WPA_CIPHER_AES_128_CMAC) {
927 wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
928 wpa_msg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
931 wpa_s->mgmt_group_cipher = 0;
932 wpa_msg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher");
934 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
935 wpa_s->mgmt_group_cipher);
936 #endif /* CONFIG_IEEE80211W */
938 if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) {
939 wpa_printf(MSG_WARNING, "WPA: Failed to generate WPA IE.");
944 (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_PSK_SHA256))
945 wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN);
947 wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
954 * wpa_supplicant_associate - Request association
955 * @wpa_s: Pointer to wpa_supplicant data
956 * @bss: Scan results for the selected BSS, or %NULL if not available
957 * @ssid: Configuration data for the selected network
959 * This function is used to request %wpa_supplicant to associate with a BSS.
961 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
962 struct wpa_scan_res *bss, struct wpa_ssid *ssid)
966 int use_crypt, ret, i, bssid_changed;
967 int algs = AUTH_ALG_OPEN_SYSTEM;
968 wpa_cipher cipher_pairwise, cipher_group;
969 struct wpa_driver_associate_params params;
970 int wep_keys_set = 0;
971 struct wpa_driver_capa capa;
972 int assoc_failed = 0;
973 struct wpa_ssid *old_ssid;
975 if (ssid->mode == 2) {
977 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) {
978 wpa_printf(MSG_INFO, "Driver does not support AP "
982 wpa_supplicant_create_ap(wpa_s, ssid);
983 #else /* CONFIG_AP */
984 wpa_printf(MSG_ERROR, "AP mode support not included in the "
986 #endif /* CONFIG_AP */
990 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
991 sme_authenticate(wpa_s, bss, ssid);
995 wpa_s->reassociate = 0;
997 #ifdef CONFIG_IEEE80211R
999 #endif /* CONFIG_IEEE80211R */
1000 const u8 *ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
1001 wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR
1002 " (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid),
1003 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "", bss->freq);
1004 bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
1005 os_memset(wpa_s->bssid, 0, ETH_ALEN);
1006 os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN);
1008 wpas_notify_bssid_changed(wpa_s);
1009 #ifdef CONFIG_IEEE80211R
1010 ie = wpa_scan_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
1011 if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN)
1013 wpa_sm_set_ft_params(wpa_s->wpa, md, NULL, 0, NULL);
1015 /* Prepare for the next transition */
1016 wpa_ft_prepare_auth_request(wpa_s->wpa);
1018 #endif /* CONFIG_IEEE80211R */
1020 } else if ((ssid->ssid == NULL || ssid->ssid_len == 0) &&
1021 wpa_s->conf->ap_scan == 2 &&
1022 (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
1023 /* Use ap_scan==1 style network selection to find the network
1025 wpa_s->scan_req = 2;
1026 wpa_s->reassociate = 1;
1027 wpa_supplicant_req_scan(wpa_s, 0, 0);
1029 #endif /* CONFIG_WPS */
1031 wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'",
1032 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1033 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
1035 wpa_supplicant_cancel_scan(wpa_s);
1037 /* Starting new association, so clear the possibly used WPA IE from the
1038 * previous association. */
1039 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1041 if (wpa_drv_set_mode(wpa_s, ssid->mode)) {
1042 wpa_printf(MSG_WARNING, "Failed to set operating mode");
1046 #ifdef IEEE8021X_EAPOL
1047 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1049 if (ssid->non_leap == 0)
1050 algs = AUTH_ALG_LEAP;
1052 algs |= AUTH_ALG_LEAP;
1055 #endif /* IEEE8021X_EAPOL */
1056 wpa_printf(MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs);
1057 if (ssid->auth_alg) {
1059 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN)
1060 algs |= AUTH_ALG_OPEN_SYSTEM;
1061 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED)
1062 algs |= AUTH_ALG_SHARED_KEY;
1063 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP)
1064 algs |= AUTH_ALG_LEAP;
1065 wpa_printf(MSG_DEBUG, "Overriding auth_alg selection: 0x%x",
1068 wpa_drv_set_auth_alg(wpa_s, algs);
1070 if (bss && (wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) ||
1071 wpa_scan_get_ie(bss, WLAN_EID_RSN)) &&
1072 (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
1073 WPA_KEY_MGMT_FT_IEEE8021X |
1074 WPA_KEY_MGMT_FT_PSK |
1075 WPA_KEY_MGMT_IEEE8021X_SHA256 |
1076 WPA_KEY_MGMT_PSK_SHA256))) {
1077 int try_opportunistic;
1078 try_opportunistic = ssid->proactive_key_caching &&
1079 (ssid->proto & WPA_PROTO_RSN);
1080 if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid,
1081 wpa_s->current_ssid,
1082 try_opportunistic) == 0)
1083 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
1084 wpa_ie_len = sizeof(wpa_ie);
1085 if (wpa_supplicant_set_suites(wpa_s, bss, ssid,
1086 wpa_ie, &wpa_ie_len)) {
1087 wpa_printf(MSG_WARNING, "WPA: Failed to set WPA key "
1088 "management and encryption suites");
1091 } else if (ssid->key_mgmt &
1092 (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
1093 WPA_KEY_MGMT_WPA_NONE | WPA_KEY_MGMT_FT_PSK |
1094 WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_PSK_SHA256 |
1095 WPA_KEY_MGMT_IEEE8021X_SHA256)) {
1096 wpa_ie_len = sizeof(wpa_ie);
1097 if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
1098 wpa_ie, &wpa_ie_len)) {
1099 wpa_printf(MSG_WARNING, "WPA: Failed to set WPA key "
1100 "management and encryption suites (no scan "
1105 } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
1106 struct wpabuf *wps_ie;
1107 wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid));
1108 if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) {
1109 wpa_ie_len = wpabuf_len(wps_ie);
1110 os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len);
1113 wpabuf_free(wps_ie);
1114 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
1115 #endif /* CONFIG_WPS */
1117 wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
1121 wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL);
1123 cipher_pairwise = cipher_suite2driver(wpa_s->pairwise_cipher);
1124 cipher_group = cipher_suite2driver(wpa_s->group_cipher);
1125 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1126 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1127 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE)
1129 if (wpa_set_wep_keys(wpa_s, ssid)) {
1134 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)
1137 #ifdef IEEE8021X_EAPOL
1138 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1139 if ((ssid->eapol_flags &
1140 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
1141 EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 &&
1145 /* Assume that dynamic WEP-104 keys will be used and
1146 * set cipher suites in order for drivers to expect
1148 cipher_pairwise = cipher_group = CIPHER_WEP104;
1151 #endif /* IEEE8021X_EAPOL */
1153 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1154 /* Set the key before (and later after) association */
1155 wpa_supplicant_set_wpa_none_key(wpa_s, ssid);
1158 wpa_drv_set_drop_unencrypted(wpa_s, use_crypt);
1159 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING);
1160 os_memset(¶ms, 0, sizeof(params));
1162 const u8 *ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
1163 params.bssid = bss->bssid;
1164 params.ssid = ie ? ie + 2 : (u8 *) "";
1165 params.ssid_len = ie ? ie[1] : 0;
1166 params.freq = bss->freq;
1168 params.ssid = ssid->ssid;
1169 params.ssid_len = ssid->ssid_len;
1171 if (ssid->mode == 1 && ssid->frequency > 0 && params.freq == 0)
1172 params.freq = ssid->frequency; /* Initial channel for IBSS */
1173 params.wpa_ie = wpa_ie;
1174 params.wpa_ie_len = wpa_ie_len;
1175 params.pairwise_suite = cipher_pairwise;
1176 params.group_suite = cipher_group;
1177 params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
1178 params.auth_alg = algs;
1179 params.mode = ssid->mode;
1180 for (i = 0; i < NUM_WEP_KEYS; i++) {
1181 if (ssid->wep_key_len[i])
1182 params.wep_key[i] = ssid->wep_key[i];
1183 params.wep_key_len[i] = ssid->wep_key_len[i];
1185 params.wep_tx_keyidx = ssid->wep_tx_keyidx;
1187 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1188 (params.key_mgmt_suite == KEY_MGMT_PSK ||
1189 params.key_mgmt_suite == KEY_MGMT_FT_PSK)) {
1190 params.passphrase = ssid->passphrase;
1192 params.psk = ssid->psk;
1195 params.drop_unencrypted = use_crypt;
1197 #ifdef CONFIG_IEEE80211W
1198 switch (ssid->ieee80211w) {
1200 params.mgmt_frame_protection = NO_MGMT_FRAME_PROTECTION;
1202 case IEEE80211W_OPTIONAL:
1203 params.mgmt_frame_protection = MGMT_FRAME_PROTECTION_OPTIONAL;
1205 case IEEE80211W_REQUIRED:
1206 params.mgmt_frame_protection = MGMT_FRAME_PROTECTION_REQUIRED;
1209 if (ssid->ieee80211w != NO_IEEE80211W && bss) {
1210 const u8 *rsn = wpa_scan_get_ie(bss, WLAN_EID_RSN);
1211 struct wpa_ie_data ie;
1212 if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 &&
1214 (WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) {
1215 wpa_printf(MSG_DEBUG, "WPA: Selected AP supports MFP: "
1217 params.mgmt_frame_protection =
1218 MGMT_FRAME_PROTECTION_REQUIRED;
1221 #endif /* CONFIG_IEEE80211W */
1223 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
1224 ret = ieee80211_sta_associate(wpa_s, ¶ms);
1226 ret = wpa_drv_associate(wpa_s, ¶ms);
1228 wpa_msg(wpa_s, MSG_INFO, "Association request to the driver "
1230 /* try to continue anyway; new association will be tried again
1235 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
1236 /* Set the key after the association just in case association
1237 * cleared the previously configured key. */
1238 wpa_supplicant_set_wpa_none_key(wpa_s, ssid);
1239 /* No need to timeout authentication since there is no key
1241 wpa_supplicant_cancel_auth_timeout(wpa_s);
1242 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1243 #ifdef CONFIG_IBSS_RSN
1244 } else if (ssid->mode == IEEE80211_MODE_IBSS &&
1245 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
1246 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) {
1247 ibss_rsn_set_psk(wpa_s->ibss_rsn, ssid->psk);
1249 * RSN IBSS authentication is per-STA and we can disable the
1250 * per-BSSID authentication.
1252 wpa_supplicant_cancel_auth_timeout(wpa_s);
1253 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1254 #endif /* CONFIG_IBSS_RSN */
1256 /* Timeout for IEEE 802.11 authentication and association */
1260 /* give IBSS a bit more time */
1261 timeout = ssid->mode ? 10 : 5;
1262 } else if (wpa_s->conf->ap_scan == 1) {
1263 /* give IBSS a bit more time */
1264 timeout = ssid->mode ? 20 : 10;
1266 wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
1269 if (wep_keys_set && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
1270 capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC) {
1271 /* Set static WEP keys again */
1272 wpa_set_wep_keys(wpa_s, ssid);
1275 if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) {
1277 * Do not allow EAP session resumption between different
1278 * network configurations.
1280 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1282 old_ssid = wpa_s->current_ssid;
1283 wpa_s->current_ssid = ssid;
1284 wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
1285 wpa_supplicant_initiate_eapol(wpa_s);
1286 if (old_ssid != wpa_s->current_ssid)
1287 wpas_notify_network_changed(wpa_s);
1292 * wpa_supplicant_disassociate - Disassociate the current connection
1293 * @wpa_s: Pointer to wpa_supplicant data
1294 * @reason_code: IEEE 802.11 reason code for the disassociate frame
1296 * This function is used to request %wpa_supplicant to disassociate with the
1299 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
1302 struct wpa_ssid *old_ssid;
1305 if (!is_zero_ether_addr(wpa_s->bssid)) {
1306 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
1307 ieee80211_sta_disassociate(wpa_s, reason_code);
1309 wpa_drv_disassociate(wpa_s, wpa_s->bssid, reason_code);
1310 addr = wpa_s->bssid;
1312 wpa_clear_keys(wpa_s, addr);
1313 wpa_supplicant_mark_disassoc(wpa_s);
1314 old_ssid = wpa_s->current_ssid;
1315 wpa_s->current_ssid = NULL;
1316 wpa_sm_set_config(wpa_s->wpa, NULL);
1317 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1318 if (old_ssid != wpa_s->current_ssid)
1319 wpas_notify_network_changed(wpa_s);
1324 * wpa_supplicant_deauthenticate - Deauthenticate the current connection
1325 * @wpa_s: Pointer to wpa_supplicant data
1326 * @reason_code: IEEE 802.11 reason code for the deauthenticate frame
1328 * This function is used to request %wpa_supplicant to deauthenticate from the
1331 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
1334 struct wpa_ssid *old_ssid;
1337 if (!is_zero_ether_addr(wpa_s->bssid)) {
1338 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
1339 ieee80211_sta_deauthenticate(wpa_s, reason_code);
1341 wpa_drv_deauthenticate(wpa_s, wpa_s->bssid,
1343 addr = wpa_s->bssid;
1345 wpa_clear_keys(wpa_s, addr);
1346 wpa_supplicant_mark_disassoc(wpa_s);
1347 old_ssid = wpa_s->current_ssid;
1348 wpa_s->current_ssid = NULL;
1349 wpa_sm_set_config(wpa_s->wpa, NULL);
1350 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1351 if (old_ssid != wpa_s->current_ssid)
1352 wpas_notify_network_changed(wpa_s);
1357 * wpa_supplicant_enable_network - Mark a configured network as enabled
1358 * @wpa_s: wpa_supplicant structure for a network interface
1359 * @ssid: wpa_ssid structure for a configured network or %NULL
1361 * Enables the specified network or all networks if no network specified.
1363 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
1364 struct wpa_ssid *ssid)
1366 struct wpa_ssid *other_ssid;
1370 other_ssid = wpa_s->conf->ssid;
1371 while (other_ssid) {
1372 if (other_ssid == wpa_s->current_ssid &&
1373 other_ssid->disabled)
1374 wpa_s->reassociate = 1;
1376 was_disabled = other_ssid->disabled;
1378 other_ssid->disabled = 0;
1380 if (was_disabled != other_ssid->disabled)
1381 wpas_notify_network_enabled_changed(
1384 other_ssid = other_ssid->next;
1386 if (wpa_s->reassociate)
1387 wpa_supplicant_req_scan(wpa_s, 0, 0);
1388 } else if (wpa_s->current_ssid == NULL && ssid->disabled) {
1390 * Try to reassociate since there is no current configuration
1391 * and a new network was made available.
1393 wpa_s->reassociate = 1;
1394 wpa_supplicant_req_scan(wpa_s, 0, 0);
1396 was_disabled = ssid->disabled;
1400 if (was_disabled != ssid->disabled)
1401 wpas_notify_network_enabled_changed(wpa_s, ssid);
1407 * wpa_supplicant_disable_network - Mark a configured network as disabled
1408 * @wpa_s: wpa_supplicant structure for a network interface
1409 * @ssid: wpa_ssid structure for a configured network or %NULL
1411 * Disables the specified network or all networks if no network specified.
1413 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
1414 struct wpa_ssid *ssid)
1416 struct wpa_ssid *other_ssid;
1420 other_ssid = wpa_s->conf->ssid;
1421 while (other_ssid) {
1422 was_disabled = other_ssid->disabled;
1424 other_ssid->disabled = 1;
1426 if (was_disabled != other_ssid->disabled)
1427 wpas_notify_network_enabled_changed(
1430 other_ssid = other_ssid->next;
1432 if (wpa_s->current_ssid)
1433 wpa_supplicant_disassociate(
1434 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1436 if (ssid == wpa_s->current_ssid)
1437 wpa_supplicant_disassociate(
1438 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1440 was_disabled = ssid->disabled;
1444 if (was_disabled != ssid->disabled)
1445 wpas_notify_network_enabled_changed(wpa_s, ssid);
1451 * wpa_supplicant_select_network - Attempt association with a network
1452 * @wpa_s: wpa_supplicant structure for a network interface
1453 * @ssid: wpa_ssid structure for a configured network or %NULL for any network
1455 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
1456 struct wpa_ssid *ssid)
1459 struct wpa_ssid *other_ssid;
1461 if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid)
1462 wpa_supplicant_disassociate(
1463 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1466 * Mark all other networks disabled or mark all networks enabled if no
1467 * network specified.
1469 other_ssid = wpa_s->conf->ssid;
1470 while (other_ssid) {
1471 int was_disabled = other_ssid->disabled;
1473 other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0;
1475 if (was_disabled != other_ssid->disabled)
1476 wpas_notify_network_enabled_changed(wpa_s, other_ssid);
1478 other_ssid = other_ssid->next;
1480 wpa_s->disconnected = 0;
1481 wpa_s->reassociate = 1;
1482 wpa_supplicant_req_scan(wpa_s, 0, 0);
1485 wpas_notify_network_selected(wpa_s, ssid);
1490 * wpa_supplicant_set_ap_scan - Set AP scan mode for interface
1491 * @wpa_s: wpa_supplicant structure for a network interface
1492 * @ap_scan: AP scan mode
1493 * Returns: 0 if succeed or -1 if ap_scan has an invalid value
1496 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan)
1501 if (ap_scan < 0 || ap_scan > 2)
1504 old_ap_scan = wpa_s->conf->ap_scan;
1505 wpa_s->conf->ap_scan = ap_scan;
1507 if (old_ap_scan != wpa_s->conf->ap_scan)
1508 wpas_notify_ap_scan_changed(wpa_s);
1515 * wpa_supplicant_set_debug_params - Set global debug params
1516 * @global: wpa_global structure
1517 * @debug_level: debug level
1518 * @debug_timestamp: determines if show timestamp in debug data
1519 * @debug_show_keys: determines if show keys in debug data
1520 * Returns: 0 if succeed or -1 if debug_level has wrong value
1522 int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level,
1523 int debug_timestamp, int debug_show_keys)
1526 int old_level, old_timestamp, old_show_keys;
1528 /* check for allowed debuglevels */
1529 if (debug_level != MSG_MSGDUMP &&
1530 debug_level != MSG_DEBUG &&
1531 debug_level != MSG_INFO &&
1532 debug_level != MSG_WARNING &&
1533 debug_level != MSG_ERROR)
1536 old_level = wpa_debug_level;
1537 old_timestamp = wpa_debug_timestamp;
1538 old_show_keys = wpa_debug_show_keys;
1540 wpa_debug_level = debug_level;
1541 wpa_debug_timestamp = debug_timestamp ? 1 : 0;
1542 wpa_debug_show_keys = debug_show_keys ? 1 : 0;
1544 if (wpa_debug_level != old_level ||
1545 wpa_debug_timestamp != old_timestamp ||
1546 wpa_debug_show_keys != old_show_keys)
1547 wpas_notify_debug_params_changed(global);
1553 static void notify_bss_changes(struct wpa_supplicant *wpa_s,
1554 u8 (*prev_bssids)[ETH_ALEN], int prev_num,
1555 struct wpa_scan_results *new)
1559 new_num = new != NULL ? new->num : 0;
1560 if (prev_bssids == NULL)
1563 for (i = 0; i < prev_num; i++) {
1564 for (j = 0; j < new_num; j++) {
1565 if (!os_memcmp(prev_bssids[i], new->res[j]->bssid,
1570 wpas_notify_bss_removed(wpa_s, prev_bssids[i]);
1572 for (i = 0; i < new_num; i++) {
1573 for (j = 0; j < prev_num; j++) {
1574 if (!os_memcmp(new->res[i]->bssid, prev_bssids[j],
1579 wpas_notify_bss_added(wpa_s, new->res[i]->bssid);
1584 static struct wpa_scan_results * wpa_supplicant_get_scan_results_old(
1585 struct wpa_supplicant *wpa_s)
1587 #define SCAN_AP_LIMIT 128
1588 struct wpa_scan_result *results;
1590 struct wpa_scan_results *res;
1592 results = os_malloc(SCAN_AP_LIMIT * sizeof(struct wpa_scan_result));
1593 if (results == NULL) {
1594 wpa_printf(MSG_WARNING, "Failed to allocate memory for scan "
1599 num = wpa_drv_get_scan_results(wpa_s, results, SCAN_AP_LIMIT);
1600 wpa_printf(MSG_DEBUG, "Scan results: %d", num);
1602 wpa_printf(MSG_DEBUG, "Failed to get scan results");
1606 if (num > SCAN_AP_LIMIT) {
1607 wpa_printf(MSG_INFO, "Not enough room for all APs (%d < %d)",
1608 num, SCAN_AP_LIMIT);
1609 num = SCAN_AP_LIMIT;
1612 /* Convert old scan result data structure to the new one */
1613 res = os_zalloc(sizeof(*res));
1618 res->res = os_zalloc(num * sizeof(struct wpa_scan_res *));
1619 if (res->res == NULL) {
1625 for (i = 0; i < num; i++) {
1626 struct wpa_scan_result *bss = &results[i];
1627 struct wpa_scan_res *r;
1631 ie_len = 2 + bss->ssid_len + bss->rsn_ie_len + bss->wpa_ie_len;
1634 if (bss->mdie_present)
1637 r = os_zalloc(sizeof(*r) + ie_len);
1641 os_memcpy(r->bssid, bss->bssid, ETH_ALEN);
1642 r->freq = bss->freq;
1643 r->caps = bss->caps;
1644 r->qual = bss->qual;
1645 r->noise = bss->noise;
1646 r->level = bss->level;
1650 pos = (u8 *) (r + 1);
1653 *pos++ = WLAN_EID_SSID;
1654 *pos++ = bss->ssid_len;
1655 os_memcpy(pos, bss->ssid, bss->ssid_len);
1656 pos += bss->ssid_len;
1659 /* Fake Supported Rate IE to include max rate */
1660 *pos++ = WLAN_EID_SUPP_RATES;
1662 *pos++ = bss->maxrate;
1665 if (bss->rsn_ie_len) {
1666 os_memcpy(pos, bss->rsn_ie, bss->rsn_ie_len);
1667 pos += bss->rsn_ie_len;
1670 if (bss->mdie_present) {
1671 os_memcpy(pos, bss->mdie, 5);
1675 if (bss->wpa_ie_len) {
1676 os_memcpy(pos, bss->wpa_ie, bss->wpa_ie_len);
1677 pos += bss->wpa_ie_len;
1680 res->res[res->num++] = r;
1690 * wpa_supplicant_get_scan_results - Get scan results
1691 * @wpa_s: Pointer to wpa_supplicant data
1692 * Returns: 0 on success, -1 on failure
1694 * This function is request the current scan results from the driver and stores
1695 * a local copy of the results in wpa_s->scan_res.
1697 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s)
1699 int ret, i, prev_scan_res_num;
1700 u8 (*prev_scan_bssids)[ETH_ALEN];
1702 prev_scan_res_num = wpa_s->scan_res ? wpa_s->scan_res->num : 0;
1703 prev_scan_bssids = os_malloc(prev_scan_res_num * ETH_ALEN);
1705 if (prev_scan_bssids) {
1706 for (i = 0; i < prev_scan_res_num; i++) {
1707 os_memcpy(prev_scan_bssids[i],
1708 wpa_s->scan_res->res[i]->bssid, ETH_ALEN);
1711 wpa_printf(MSG_WARNING, "Not enough memory for old scan "
1713 prev_scan_res_num = 0;
1716 wpa_scan_results_free(wpa_s->scan_res);
1717 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
1718 wpa_s->scan_res = ieee80211_sta_get_scan_results(wpa_s);
1719 else if (wpa_s->driver->get_scan_results2 == NULL)
1720 wpa_s->scan_res = wpa_supplicant_get_scan_results_old(wpa_s);
1722 wpa_s->scan_res = wpa_drv_get_scan_results2(wpa_s);
1723 if (wpa_s->scan_res == NULL) {
1724 wpa_printf(MSG_DEBUG, "Failed to get scan results");
1728 wpa_scan_sort_results(wpa_s->scan_res);
1731 notify_bss_changes(wpa_s, prev_scan_bssids, prev_scan_res_num,
1733 os_free(prev_scan_bssids);
1740 * wpa_supplicant_get_ssid - Get a pointer to the current network structure
1741 * @wpa_s: Pointer to wpa_supplicant data
1742 * Returns: A pointer to the current network structure or %NULL on failure
1744 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s)
1746 struct wpa_ssid *entry;
1747 u8 ssid[MAX_SSID_LEN];
1753 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
1754 if (ieee80211_sta_get_ssid(wpa_s, ssid, &ssid_len)) {
1755 wpa_printf(MSG_WARNING, "Could not read SSID from "
1760 res = wpa_drv_get_ssid(wpa_s, ssid);
1762 wpa_printf(MSG_WARNING, "Could not read SSID from "
1769 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
1770 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
1771 else if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
1772 wpa_printf(MSG_WARNING, "Could not read BSSID from driver.");
1776 wired = wpa_s->conf->ap_scan == 0 &&
1777 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED);
1779 entry = wpa_s->conf->ssid;
1781 if (!entry->disabled &&
1782 ((ssid_len == entry->ssid_len &&
1783 os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) &&
1784 (!entry->bssid_set ||
1785 os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0))
1788 if (!entry->disabled &&
1789 (entry->key_mgmt & WPA_KEY_MGMT_WPS) &&
1790 (entry->ssid == NULL || entry->ssid_len == 0) &&
1791 (!entry->bssid_set ||
1792 os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0))
1794 #endif /* CONFIG_WPS */
1795 entry = entry->next;
1802 static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s,
1812 if (wpa_drivers[0] == NULL) {
1813 wpa_printf(MSG_ERROR, "No driver interfaces build into "
1819 /* default to first driver in the list */
1820 wpa_s->driver = wpa_drivers[0];
1824 pos = os_strchr(name, ',');
1828 len = os_strlen(name);
1829 for (i = 0; wpa_drivers[i]; i++) {
1830 if (os_strlen(wpa_drivers[i]->name) == len &&
1831 os_strncmp(name, wpa_drivers[i]->name, len) ==
1833 wpa_s->driver = wpa_drivers[i];
1838 wpa_printf(MSG_ERROR, "Unsupported driver '%s'.", name);
1843 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
1844 const u8 *buf, size_t len)
1846 struct wpa_supplicant *wpa_s = ctx;
1848 wpa_printf(MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
1849 wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
1851 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
1853 * There is possible race condition between receiving the
1854 * association event and the EAPOL frame since they are coming
1855 * through different paths from the driver. In order to avoid
1856 * issues in trying to process the EAPOL frame before receiving
1857 * association information, lets queue it for processing until
1858 * the association event is received.
1860 wpa_printf(MSG_DEBUG, "Not associated - Delay processing of "
1861 "received EAPOL frame");
1862 wpabuf_free(wpa_s->pending_eapol_rx);
1863 wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len);
1864 if (wpa_s->pending_eapol_rx) {
1865 os_get_time(&wpa_s->pending_eapol_rx_time);
1866 os_memcpy(wpa_s->pending_eapol_rx_src, src_addr,
1873 if (wpa_s->ap_iface) {
1874 wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len);
1877 #endif /* CONFIG_AP */
1879 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
1880 wpa_printf(MSG_DEBUG, "Ignored received EAPOL frame since "
1881 "no key management is configured");
1885 if (wpa_s->eapol_received == 0 &&
1886 (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) ||
1887 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
1888 wpa_s->wpa_state != WPA_COMPLETED)) {
1889 /* Timeout for completing IEEE 802.1X and WPA authentication */
1890 wpa_supplicant_req_auth_timeout(
1892 (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1893 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA ||
1894 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ?
1897 wpa_s->eapol_received++;
1899 if (wpa_s->countermeasures) {
1900 wpa_printf(MSG_INFO, "WPA: Countermeasures - dropped EAPOL "
1905 #ifdef CONFIG_IBSS_RSN
1906 if (wpa_s->current_ssid &&
1907 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS) {
1908 ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len);
1911 #endif /* CONFIG_IBSS_RSN */
1913 /* Source address of the incoming EAPOL frame could be compared to the
1914 * current BSSID. However, it is possible that a centralized
1915 * Authenticator could be using another MAC address than the BSSID of
1916 * an AP, so just allow any address to be used for now. The replies are
1917 * still sent to the current BSSID (if available), though. */
1919 os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN);
1920 if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) &&
1921 eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0)
1923 wpa_drv_poll(wpa_s);
1924 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
1925 wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len);
1926 else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1928 * Set portValid = TRUE here since we are going to skip 4-way
1929 * handshake processing which would normally set portValid. We
1930 * need this to allow the EAPOL state machines to be completed
1931 * without going through EAPOL-Key handshake.
1933 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1938 void wpa_supplicant_sta_rx(void *ctx, const u8 *buf, size_t len,
1939 struct ieee80211_rx_status *rx_status)
1941 struct wpa_supplicant *wpa_s = ctx;
1942 ieee80211_sta_rx(wpa_s, buf, len, rx_status);
1947 * wpa_supplicant_driver_init - Initialize driver interface parameters
1948 * @wpa_s: Pointer to wpa_supplicant data
1949 * Returns: 0 on success, -1 on failure
1951 * This function is called to initialize driver interface parameters.
1952 * wpa_drv_init() must have been called before this function to initialize the
1955 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s)
1957 static int interface_count = 0;
1959 if (wpa_s->driver->send_eapol) {
1960 const u8 *addr = wpa_drv_get_mac_addr(wpa_s);
1962 os_memcpy(wpa_s->own_addr, addr, ETH_ALEN);
1964 wpa_s->l2 = l2_packet_init(wpa_s->ifname,
1965 wpa_drv_get_mac_addr(wpa_s),
1967 wpa_supplicant_rx_eapol, wpa_s, 0);
1968 if (wpa_s->l2 == NULL)
1972 if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) {
1973 wpa_printf(MSG_ERROR, "Failed to get own L2 address");
1977 wpa_printf(MSG_DEBUG, "Own MAC address: " MACSTR,
1978 MAC2STR(wpa_s->own_addr));
1980 if (wpa_s->bridge_ifname[0]) {
1981 wpa_printf(MSG_DEBUG, "Receiving packets from bridge interface"
1982 " '%s'", wpa_s->bridge_ifname);
1983 wpa_s->l2_br = l2_packet_init(wpa_s->bridge_ifname,
1986 wpa_supplicant_rx_eapol, wpa_s,
1988 if (wpa_s->l2_br == NULL) {
1989 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
1990 "connection for the bridge interface '%s'",
1991 wpa_s->bridge_ifname);
1996 /* Backwards compatibility call to set_wpa() handler. This is called
1997 * only just after init and just before deinit, so these handler can be
1998 * used to implement same functionality. */
1999 if (wpa_drv_set_wpa(wpa_s, 1) < 0) {
2000 struct wpa_driver_capa capa;
2001 if (wpa_drv_get_capa(wpa_s, &capa) < 0 ||
2002 !(capa.flags & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2003 WPA_DRIVER_CAPA_KEY_MGMT_WPA2))) {
2004 wpa_printf(MSG_DEBUG, "Driver does not support WPA.");
2005 /* Continue to allow non-WPA modes to be used. */
2007 wpa_printf(MSG_ERROR, "Failed to enable WPA in the "
2013 wpa_clear_keys(wpa_s, NULL);
2015 /* Make sure that TKIP countermeasures are not left enabled (could
2016 * happen if wpa_supplicant is killed during countermeasures. */
2017 wpa_drv_set_countermeasures(wpa_s, 0);
2019 wpa_drv_set_drop_unencrypted(wpa_s, 1);
2021 wpa_printf(MSG_DEBUG, "RSN: flushing PMKID list in the driver");
2022 wpa_drv_flush_pmkid(wpa_s);
2024 wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN;
2025 wpa_supplicant_req_scan(wpa_s, interface_count, 100000);
2032 static int wpa_supplicant_daemon(const char *pid_file)
2034 wpa_printf(MSG_DEBUG, "Daemonize..");
2035 return os_daemonize(pid_file);
2039 static struct wpa_supplicant * wpa_supplicant_alloc(void)
2041 struct wpa_supplicant *wpa_s;
2043 wpa_s = os_zalloc(sizeof(*wpa_s));
2046 wpa_s->scan_req = 1;
2052 static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s,
2053 struct wpa_interface *iface)
2055 const char *ifname, *driver;
2056 struct wpa_driver_capa capa;
2058 wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver "
2059 "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname,
2060 iface->confname ? iface->confname : "N/A",
2061 iface->driver ? iface->driver : "default",
2062 iface->ctrl_interface ? iface->ctrl_interface : "N/A",
2063 iface->bridge_ifname ? iface->bridge_ifname : "N/A");
2065 if (iface->confname) {
2066 #ifdef CONFIG_BACKEND_FILE
2067 wpa_s->confname = os_rel2abs_path(iface->confname);
2068 if (wpa_s->confname == NULL) {
2069 wpa_printf(MSG_ERROR, "Failed to get absolute path "
2070 "for configuration file '%s'.",
2074 wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'",
2075 iface->confname, wpa_s->confname);
2076 #else /* CONFIG_BACKEND_FILE */
2077 wpa_s->confname = os_strdup(iface->confname);
2078 #endif /* CONFIG_BACKEND_FILE */
2079 wpa_s->conf = wpa_config_read(wpa_s->confname);
2080 if (wpa_s->conf == NULL) {
2081 wpa_printf(MSG_ERROR, "Failed to read or parse "
2082 "configuration '%s'.", wpa_s->confname);
2087 * Override ctrl_interface and driver_param if set on command
2090 if (iface->ctrl_interface) {
2091 os_free(wpa_s->conf->ctrl_interface);
2092 wpa_s->conf->ctrl_interface =
2093 os_strdup(iface->ctrl_interface);
2096 if (iface->driver_param) {
2097 os_free(wpa_s->conf->driver_param);
2098 wpa_s->conf->driver_param =
2099 os_strdup(iface->driver_param);
2102 wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface,
2103 iface->driver_param);
2105 if (wpa_s->conf == NULL) {
2106 wpa_printf(MSG_ERROR, "\nNo configuration found.");
2110 if (iface->ifname == NULL) {
2111 wpa_printf(MSG_ERROR, "\nInterface name is required.");
2114 if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) {
2115 wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.",
2119 os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname));
2121 if (iface->bridge_ifname) {
2122 if (os_strlen(iface->bridge_ifname) >=
2123 sizeof(wpa_s->bridge_ifname)) {
2124 wpa_printf(MSG_ERROR, "\nToo long bridge interface "
2125 "name '%s'.", iface->bridge_ifname);
2128 os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname,
2129 sizeof(wpa_s->bridge_ifname));
2132 /* RSNA Supplicant Key Management - INITIALIZE */
2133 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
2134 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
2136 /* Initialize driver interface and register driver event handler before
2137 * L2 receive handler so that association events are processed before
2138 * EAPOL-Key packets if both become available for the same select()
2140 driver = iface->driver;
2142 if (wpa_supplicant_set_driver(wpa_s, driver) < 0)
2145 wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname);
2146 if (wpa_s->drv_priv == NULL) {
2148 pos = os_strchr(driver, ',');
2150 wpa_printf(MSG_DEBUG, "Failed to initialize driver "
2151 "interface - try next driver wrapper");
2155 wpa_printf(MSG_ERROR, "Failed to initialize driver interface");
2158 if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) {
2159 wpa_printf(MSG_ERROR, "Driver interface rejected "
2160 "driver_param '%s'", wpa_s->conf->driver_param);
2164 ifname = wpa_drv_get_ifname(wpa_s);
2165 if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) {
2166 wpa_printf(MSG_DEBUG, "Driver interface replaced interface "
2167 "name with '%s'", ifname);
2168 os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
2171 if (wpa_supplicant_init_wpa(wpa_s) < 0)
2174 wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname,
2175 wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname :
2177 wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth);
2179 if (wpa_s->conf->dot11RSNAConfigPMKLifetime &&
2180 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
2181 wpa_s->conf->dot11RSNAConfigPMKLifetime)) {
2182 wpa_printf(MSG_ERROR, "Invalid WPA parameter value for "
2183 "dot11RSNAConfigPMKLifetime");
2187 if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold &&
2188 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
2189 wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) {
2190 wpa_printf(MSG_ERROR, "Invalid WPA parameter value for "
2191 "dot11RSNAConfigPMKReauthThreshold");
2195 if (wpa_s->conf->dot11RSNAConfigSATimeout &&
2196 wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT,
2197 wpa_s->conf->dot11RSNAConfigSATimeout)) {
2198 wpa_printf(MSG_ERROR, "Invalid WPA parameter value for "
2199 "dot11RSNAConfigSATimeout");
2203 if (wpa_supplicant_driver_init(wpa_s) < 0)
2206 if (wpa_s->conf->country[0] && wpa_s->conf->country[1] &&
2207 wpa_drv_set_country(wpa_s, wpa_s->conf->country)) {
2208 wpa_printf(MSG_DEBUG, "Failed to set country");
2212 wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
2214 if (wpas_wps_init(wpa_s))
2217 if (wpa_supplicant_init_eapol(wpa_s) < 0)
2219 wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol);
2221 wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s);
2222 if (wpa_s->ctrl_iface == NULL) {
2223 wpa_printf(MSG_ERROR,
2224 "Failed to initialize control interface '%s'.\n"
2225 "You may have another wpa_supplicant process "
2226 "already running or the file was\n"
2227 "left by an unclean termination of wpa_supplicant "
2228 "in which case you will need\n"
2229 "to manually remove this file before starting "
2230 "wpa_supplicant again.\n",
2231 wpa_s->conf->ctrl_interface);
2235 if (wpa_drv_get_capa(wpa_s, &capa) == 0) {
2236 wpa_s->drv_flags = capa.flags;
2237 if (capa.flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
2238 if (ieee80211_sta_init(wpa_s))
2241 wpa_s->max_scan_ssids = capa.max_scan_ssids;
2244 #ifdef CONFIG_IBSS_RSN
2245 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
2246 if (!wpa_s->ibss_rsn) {
2247 wpa_printf(MSG_DEBUG, "Failed to init IBSS RSN");
2250 #endif /* CONFIG_IBSS_RSN */
2256 static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s)
2258 if (wpa_s->drv_priv) {
2259 wpa_supplicant_deauthenticate(wpa_s,
2260 WLAN_REASON_DEAUTH_LEAVING);
2262 /* Backwards compatibility call to set_wpa() handler. This is
2263 * called only just after init and just before deinit, so these
2264 * handler can be used to implement same functionality. */
2265 if (wpa_drv_set_wpa(wpa_s, 0) < 0) {
2266 wpa_printf(MSG_ERROR, "Failed to disable WPA in the "
2270 wpa_drv_set_drop_unencrypted(wpa_s, 0);
2271 wpa_drv_set_countermeasures(wpa_s, 0);
2272 wpa_clear_keys(wpa_s, NULL);
2275 wpas_notify_iface_removed(wpa_s);
2277 wpa_supplicant_cleanup(wpa_s);
2279 if (wpa_s->drv_priv)
2280 wpa_drv_deinit(wpa_s);
2285 * wpa_supplicant_add_iface - Add a new network interface
2286 * @global: Pointer to global data from wpa_supplicant_init()
2287 * @iface: Interface configuration options
2288 * Returns: Pointer to the created interface or %NULL on failure
2290 * This function is used to add new network interfaces for %wpa_supplicant.
2291 * This can be called before wpa_supplicant_run() to add interfaces before the
2292 * main event loop has been started. In addition, new interfaces can be added
2293 * dynamically while %wpa_supplicant is already running. This could happen,
2294 * e.g., when a hotplug network adapter is inserted.
2296 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
2297 struct wpa_interface *iface)
2299 struct wpa_supplicant *wpa_s;
2300 struct wpa_interface t_iface;
2302 if (global == NULL || iface == NULL)
2305 wpa_s = wpa_supplicant_alloc();
2310 if (global->params.override_driver) {
2311 wpa_printf(MSG_DEBUG, "Override interface parameter: driver "
2313 iface->driver, global->params.override_driver);
2314 t_iface.driver = global->params.override_driver;
2316 if (global->params.override_ctrl_interface) {
2317 wpa_printf(MSG_DEBUG, "Override interface parameter: "
2318 "ctrl_interface ('%s' -> '%s')",
2319 iface->ctrl_interface,
2320 global->params.override_ctrl_interface);
2321 t_iface.ctrl_interface =
2322 global->params.override_ctrl_interface;
2324 if (wpa_supplicant_init_iface(wpa_s, &t_iface)) {
2325 wpa_printf(MSG_DEBUG, "Failed to add interface %s",
2327 wpa_supplicant_deinit_iface(wpa_s);
2332 wpa_s->global = global;
2334 /* Notify the control interfaces about new iface */
2335 if (wpas_notify_iface_added(wpa_s)) {
2336 wpa_supplicant_deinit_iface(wpa_s);
2341 wpa_s->next = global->ifaces;
2342 global->ifaces = wpa_s;
2344 wpa_printf(MSG_DEBUG, "Added interface %s", wpa_s->ifname);
2351 * wpa_supplicant_remove_iface - Remove a network interface
2352 * @global: Pointer to global data from wpa_supplicant_init()
2353 * @wpa_s: Pointer to the network interface to be removed
2354 * Returns: 0 if interface was removed, -1 if interface was not found
2356 * This function can be used to dynamically remove network interfaces from
2357 * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In
2358 * addition, this function is used to remove all remaining interfaces when
2359 * %wpa_supplicant is terminated.
2361 int wpa_supplicant_remove_iface(struct wpa_global *global,
2362 struct wpa_supplicant *wpa_s)
2364 struct wpa_supplicant *prev;
2366 /* Remove interface from the global list of interfaces */
2367 prev = global->ifaces;
2368 if (prev == wpa_s) {
2369 global->ifaces = wpa_s->next;
2371 while (prev && prev->next != wpa_s)
2375 prev->next = wpa_s->next;
2378 wpa_printf(MSG_DEBUG, "Removing interface %s", wpa_s->ifname);
2380 wpa_supplicant_deinit_iface(wpa_s);
2388 * wpa_supplicant_get_iface - Get a new network interface
2389 * @global: Pointer to global data from wpa_supplicant_init()
2390 * @ifname: Interface name
2391 * Returns: Pointer to the interface or %NULL if not found
2393 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
2396 struct wpa_supplicant *wpa_s;
2398 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2399 if (os_strcmp(wpa_s->ifname, ifname) == 0)
2407 * wpa_supplicant_init - Initialize %wpa_supplicant
2408 * @params: Parameters for %wpa_supplicant
2409 * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure
2411 * This function is used to initialize %wpa_supplicant. After successful
2412 * initialization, the returned data pointer can be used to add and remove
2413 * network interfaces, and eventually, to deinitialize %wpa_supplicant.
2415 struct wpa_global * wpa_supplicant_init(struct wpa_params *params)
2417 struct wpa_global *global;
2423 wpa_debug_open_file(params->wpa_debug_file_path);
2424 if (params->wpa_debug_syslog)
2425 wpa_debug_open_syslog();
2427 ret = eap_peer_register_methods();
2429 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
2431 wpa_printf(MSG_ERROR, "Two or more EAP methods used "
2432 "the same EAP type.");
2437 ret = eap_server_register_methods();
2439 wpa_printf(MSG_ERROR, "Failed to register EAP server methods");
2441 wpa_printf(MSG_ERROR, "Two or more EAP methods used "
2442 "the same EAP type.");
2445 #endif /* CONFIG_AP */
2447 global = os_zalloc(sizeof(*global));
2450 global->params.daemonize = params->daemonize;
2451 global->params.wait_for_monitor = params->wait_for_monitor;
2452 global->params.dbus_ctrl_interface = params->dbus_ctrl_interface;
2453 if (params->pid_file)
2454 global->params.pid_file = os_strdup(params->pid_file);
2455 if (params->ctrl_interface)
2456 global->params.ctrl_interface =
2457 os_strdup(params->ctrl_interface);
2458 if (params->override_driver)
2459 global->params.override_driver =
2460 os_strdup(params->override_driver);
2461 if (params->override_ctrl_interface)
2462 global->params.override_ctrl_interface =
2463 os_strdup(params->override_ctrl_interface);
2464 wpa_debug_level = global->params.wpa_debug_level =
2465 params->wpa_debug_level;
2466 wpa_debug_show_keys = global->params.wpa_debug_show_keys =
2467 params->wpa_debug_show_keys;
2468 wpa_debug_timestamp = global->params.wpa_debug_timestamp =
2469 params->wpa_debug_timestamp;
2471 if (eloop_init(global)) {
2472 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
2473 wpa_supplicant_deinit(global);
2477 global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global);
2478 if (global->ctrl_iface == NULL) {
2479 wpa_supplicant_deinit(global);
2483 if (wpas_notify_supplicant_initialized(global)) {
2484 wpa_supplicant_deinit(global);
2488 for (i = 0; wpa_drivers[i]; i++)
2489 global->drv_count++;
2490 if (global->drv_count == 0) {
2491 wpa_printf(MSG_ERROR, "No drivers enabled");
2492 wpa_supplicant_deinit(global);
2495 global->drv_priv = os_zalloc(global->drv_count * sizeof(void *));
2496 if (global->drv_priv == NULL) {
2497 wpa_supplicant_deinit(global);
2500 for (i = 0; wpa_drivers[i]; i++) {
2501 if (!wpa_drivers[i]->global_init)
2503 global->drv_priv[i] = wpa_drivers[i]->global_init();
2504 if (global->drv_priv[i] == NULL) {
2505 wpa_printf(MSG_ERROR, "Failed to initialize driver "
2506 "'%s'", wpa_drivers[i]->name);
2507 wpa_supplicant_deinit(global);
2517 * wpa_supplicant_run - Run the %wpa_supplicant main event loop
2518 * @global: Pointer to global data from wpa_supplicant_init()
2519 * Returns: 0 after successful event loop run, -1 on failure
2521 * This function starts the main event loop and continues running as long as
2522 * there are any remaining events. In most cases, this function is running as
2523 * long as the %wpa_supplicant process in still in use.
2525 int wpa_supplicant_run(struct wpa_global *global)
2527 struct wpa_supplicant *wpa_s;
2529 if (global->params.daemonize &&
2530 wpa_supplicant_daemon(global->params.pid_file))
2533 if (global->params.wait_for_monitor) {
2534 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
2535 if (wpa_s->ctrl_iface)
2536 wpa_supplicant_ctrl_iface_wait(
2540 eloop_register_signal_terminate(wpa_supplicant_terminate, NULL);
2541 eloop_register_signal_reconfig(wpa_supplicant_reconfig, NULL);
2550 * wpa_supplicant_deinit - Deinitialize %wpa_supplicant
2551 * @global: Pointer to global data from wpa_supplicant_init()
2553 * This function is called to deinitialize %wpa_supplicant and to free all
2554 * allocated resources. Remaining network interfaces will also be removed.
2556 void wpa_supplicant_deinit(struct wpa_global *global)
2563 while (global->ifaces)
2564 wpa_supplicant_remove_iface(global, global->ifaces);
2566 if (global->ctrl_iface)
2567 wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface);
2569 wpas_notify_supplicant_deinitialized(global);
2571 eap_peer_unregister_methods();
2573 eap_server_unregister_methods();
2574 #endif /* CONFIG_AP */
2576 for (i = 0; wpa_drivers[i] && global->drv_priv; i++) {
2577 if (!global->drv_priv[i])
2579 wpa_drivers[i]->global_deinit(global->drv_priv[i]);
2581 os_free(global->drv_priv);
2585 if (global->params.pid_file) {
2586 os_daemonize_terminate(global->params.pid_file);
2587 os_free(global->params.pid_file);
2589 os_free(global->params.ctrl_interface);
2590 os_free(global->params.override_driver);
2591 os_free(global->params.override_ctrl_interface);
2594 wpa_debug_close_syslog();
2595 wpa_debug_close_file();