2 * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "eapol_supp/eapol_supp_sm.h"
13 #include "rsn_supp/wpa.h"
16 #include "l2_packet/l2_packet.h"
17 #include "common/wpa_common.h"
18 #include "wpa_supplicant_i.h"
20 #include "rsn_supp/pmksa_cache.h"
22 #include "common/ieee802_11_defs.h"
23 #include "common/wpa_ctrl.h"
24 #include "wpas_glue.h"
25 #include "wps_supplicant.h"
32 #ifndef CONFIG_NO_CONFIG_BLOBS
33 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
34 static void wpa_supplicant_set_config_blob(void *ctx,
35 struct wpa_config_blob *blob)
37 struct wpa_supplicant *wpa_s = ctx;
38 wpa_config_set_blob(wpa_s->conf, blob);
39 if (wpa_s->conf->update_config) {
40 int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
42 wpa_printf(MSG_DEBUG, "Failed to update config after "
49 static const struct wpa_config_blob *
50 wpa_supplicant_get_config_blob(void *ctx, const char *name)
52 struct wpa_supplicant *wpa_s = ctx;
53 return wpa_config_get_blob(wpa_s->conf, name);
55 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
56 #endif /* CONFIG_NO_CONFIG_BLOBS */
59 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
60 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
61 const void *data, u16 data_len,
62 size_t *msg_len, void **data_pos)
64 struct ieee802_1x_hdr *hdr;
66 *msg_len = sizeof(*hdr) + data_len;
67 hdr = os_malloc(*msg_len);
71 hdr->version = wpa_s->conf->eapol_version;
73 hdr->length = host_to_be16(data_len);
76 os_memcpy(hdr + 1, data, data_len);
78 os_memset(hdr + 1, 0, data_len);
88 * wpa_ether_send - Send Ethernet frame
89 * @wpa_s: Pointer to wpa_supplicant data
90 * @dest: Destination MAC address
91 * @proto: Ethertype in host byte order
92 * @buf: Frame payload starting from IEEE 802.1X header
93 * @len: Frame payload length
94 * Returns: >=0 on success, <0 on failure
96 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
97 u16 proto, const u8 *buf, size_t len)
99 #ifdef CONFIG_TESTING_OPTIONS
100 if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
101 size_t hex_len = 2 * len + 1;
102 char *hex = os_malloc(hex_len);
106 wpa_snprintf_hex(hex, hex_len, buf, len);
107 wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
112 #endif /* CONFIG_TESTING_OPTIONS */
115 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
120 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
123 #ifdef IEEE8021X_EAPOL
126 * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
127 * @ctx: Pointer to wpa_supplicant data (wpa_s)
128 * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
129 * @buf: EAPOL payload (after IEEE 802.1X header)
130 * @len: EAPOL payload length
131 * Returns: >=0 on success, <0 on failure
133 * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
134 * to the current Authenticator.
136 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
139 struct wpa_supplicant *wpa_s = ctx;
140 u8 *msg, *dst, bssid[ETH_ALEN];
144 /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
147 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
148 wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
149 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
150 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
152 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
153 "mode (type=%d len=%lu)", type,
154 (unsigned long) len);
158 if (pmksa_cache_get_current(wpa_s->wpa) &&
159 type == IEEE802_1X_TYPE_EAPOL_START) {
161 * We were trying to use PMKSA caching and sending EAPOL-Start
162 * would abort that and trigger full EAPOL authentication.
163 * However, we've already waited for the AP/Authenticator to
164 * start 4-way handshake or EAP authentication, and apparently
165 * it has not done so since the startWhen timer has reached zero
166 * to get the state machine sending EAPOL-Start. This is not
167 * really supposed to happen, but an interoperability issue with
168 * a deployed AP has been identified where the connection fails
169 * due to that AP failing to operate correctly if PMKID is
170 * included in the Association Request frame. To work around
171 * this, assume PMKSA caching failed and try to initiate full
172 * EAP authentication.
174 if (!wpa_s->current_ssid ||
175 wpa_s->current_ssid->eap_workaround) {
176 wpa_printf(MSG_DEBUG,
177 "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
179 wpa_printf(MSG_DEBUG,
180 "RSN: PMKSA caching - do not send EAPOL-Start");
185 if (is_zero_ether_addr(wpa_s->bssid)) {
186 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
188 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
189 !is_zero_ether_addr(bssid)) {
191 wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
192 " from the driver as the EAPOL destination",
195 dst = wpa_s->last_eapol_src;
196 wpa_printf(MSG_DEBUG, "Using the source address of the"
197 " last received EAPOL frame " MACSTR " as "
198 "the EAPOL destination",
202 /* BSSID was already set (from (Re)Assoc event, so use it as
203 * the EAPOL destination. */
207 msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
211 wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
212 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
213 res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
220 * wpa_eapol_set_wep_key - set WEP key for the driver
221 * @ctx: Pointer to wpa_supplicant data (wpa_s)
222 * @unicast: 1 = individual unicast key, 0 = broadcast key
223 * @keyidx: WEP key index (0..3)
224 * @key: Pointer to key data
225 * @keylen: Key length in bytes
226 * Returns: 0 on success or < 0 on error.
228 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
229 const u8 *key, size_t keylen)
231 struct wpa_supplicant *wpa_s = ctx;
232 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
233 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
236 wpa_s->pairwise_cipher = cipher;
238 wpa_s->group_cipher = cipher;
240 return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
241 unicast ? wpa_s->bssid : NULL,
242 keyidx, unicast, NULL, 0, key, keylen);
246 static void wpa_supplicant_aborted_cached(void *ctx)
248 struct wpa_supplicant *wpa_s = ctx;
249 wpa_sm_aborted_cached(wpa_s->wpa);
253 static const char * result_str(enum eapol_supp_result result)
256 case EAPOL_SUPP_RESULT_FAILURE:
258 case EAPOL_SUPP_RESULT_SUCCESS:
260 case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
261 return "EXPECTED_FAILURE";
267 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
268 enum eapol_supp_result result,
271 struct wpa_supplicant *wpa_s = ctx;
275 wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
278 if (wpas_wps_eapol_cb(wpa_s) > 0)
281 wpa_s->eap_expected_failure = result ==
282 EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
284 if (result != EAPOL_SUPP_RESULT_SUCCESS) {
286 * Make sure we do not get stuck here waiting for long EAPOL
287 * timeout if the AP does not disconnect in case of
288 * authentication failure.
290 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
292 ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
295 if (result != EAPOL_SUPP_RESULT_SUCCESS ||
296 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
299 if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
302 wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
306 if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
307 #ifdef CONFIG_IEEE80211R
309 wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
310 "driver-based 4-way hs and FT");
311 res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
313 os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
314 os_memset(buf, 0, sizeof(buf));
316 #else /* CONFIG_IEEE80211R */
318 #endif /* CONFIG_IEEE80211R */
320 res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
323 * EAP-LEAP is an exception from other EAP methods: it
324 * uses only 16-byte PMK.
326 res = eapol_sm_get_key(eapol, pmk, 16);
332 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
337 wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
338 "handshake", pmk, pmk_len);
340 if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
342 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
345 wpa_supplicant_cancel_scan(wpa_s);
346 wpa_supplicant_cancel_auth_timeout(wpa_s);
347 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
352 static void wpa_supplicant_notify_eapol_done(void *ctx)
354 struct wpa_supplicant *wpa_s = ctx;
355 wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
356 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
357 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
359 wpa_supplicant_cancel_auth_timeout(wpa_s);
360 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
364 #endif /* IEEE8021X_EAPOL */
367 #ifndef CONFIG_NO_WPA
369 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
372 struct wpa_bss *curr = NULL, *bss;
373 struct wpa_ssid *ssid = wpa_s->current_ssid;
376 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
377 if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
380 ((bss->ssid_len == ssid->ssid_len &&
381 os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
382 ssid->ssid_len == 0)) {
389 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
390 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
393 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
394 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
404 static int wpa_supplicant_get_beacon_ie(void *ctx)
406 struct wpa_supplicant *wpa_s = ctx;
407 if (wpa_get_beacon_ie(wpa_s) == 0) {
411 /* No WPA/RSN IE found in the cached scan results. Try to get updated
412 * scan results from the driver. */
413 if (wpa_supplicant_update_scan_results(wpa_s) < 0)
416 return wpa_get_beacon_ie(wpa_s);
420 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
421 const void *data, u16 data_len,
422 size_t *msg_len, void **data_pos)
424 return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
428 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
429 const u8 *buf, size_t len)
431 return wpa_ether_send(wpa_s, dest, proto, buf, len);
435 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
437 wpa_supplicant_cancel_auth_timeout(wpa_s);
441 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
443 wpa_supplicant_set_state(wpa_s, state);
448 * wpa_supplicant_get_state - Get the connection state
449 * @wpa_s: Pointer to wpa_supplicant data
450 * Returns: The current connection state (WPA_*)
452 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
454 return wpa_s->wpa_state;
458 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
460 return wpa_supplicant_get_state(wpa_s);
464 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
466 wpa_supplicant_deauthenticate(wpa_s, reason_code);
467 /* Schedule a scan to make sure we continue looking for networks */
468 wpa_supplicant_req_scan(wpa_s, 5, 0);
472 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
474 return wpa_supplicant_get_ssid(wpa_s);
478 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
480 struct wpa_supplicant *wpa_s = ctx;
481 return wpa_drv_get_bssid(wpa_s, bssid);
485 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
486 const u8 *addr, int key_idx, int set_tx,
487 const u8 *seq, size_t seq_len,
488 const u8 *key, size_t key_len)
490 struct wpa_supplicant *wpa_s = _wpa_s;
491 if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
492 /* Clear the MIC error counter when setting a new PTK. */
493 wpa_s->mic_errors_seen = 0;
495 #ifdef CONFIG_TESTING_GET_GTK
496 if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
497 alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
498 os_memcpy(wpa_s->last_gtk, key, key_len);
499 wpa_s->last_gtk_len = key_len;
501 #endif /* CONFIG_TESTING_GET_GTK */
502 return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
507 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
511 return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
516 static int wpa_supplicant_add_pmkid(void *wpa_s,
517 const u8 *bssid, const u8 *pmkid)
519 return wpa_drv_add_pmkid(wpa_s, bssid, pmkid);
523 static int wpa_supplicant_remove_pmkid(void *wpa_s,
524 const u8 *bssid, const u8 *pmkid)
526 return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid);
530 #ifdef CONFIG_IEEE80211R
531 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
532 const u8 *ies, size_t ies_len)
534 struct wpa_supplicant *wpa_s = ctx;
535 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
536 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
537 return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
541 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
543 const u8 *ies, size_t ies_len)
545 struct wpa_supplicant *wpa_s = ctx;
551 wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
557 * Action frame payload:
558 * Category[1] = 6 (Fast BSS Transition)
559 * Action[1] = 1 (Fast BSS Transition Request)
565 data_len = 2 + 2 * ETH_ALEN + ies_len;
566 data = os_malloc(data_len);
570 *pos++ = 0x06; /* FT Action category */
572 os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
574 os_memcpy(pos, target_ap, ETH_ALEN);
576 os_memcpy(pos, ies, ies_len);
578 ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
579 wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
587 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
589 struct wpa_supplicant *wpa_s = ctx;
590 struct wpa_driver_auth_params params;
593 bss = wpa_bss_get_bssid(wpa_s, target_ap);
597 os_memset(¶ms, 0, sizeof(params));
598 params.bssid = target_ap;
599 params.freq = bss->freq;
600 params.ssid = bss->ssid;
601 params.ssid_len = bss->ssid_len;
602 params.auth_alg = WPA_AUTH_ALG_FT;
603 params.local_state_change = 1;
604 return wpa_drv_authenticate(wpa_s, ¶ms);
606 #endif /* CONFIG_IEEE80211R */
611 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
613 int *tdls_chan_switch)
615 struct wpa_supplicant *wpa_s = ctx;
619 *tdls_chan_switch = 0;
621 if (!wpa_s->drv_capa_known)
624 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
627 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
630 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
631 *tdls_chan_switch = 1;
637 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
638 u8 action_code, u8 dialog_token,
639 u16 status_code, u32 peer_capab,
640 int initiator, const u8 *buf,
643 struct wpa_supplicant *wpa_s = ctx;
644 return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
645 status_code, peer_capab, initiator, buf,
650 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
652 struct wpa_supplicant *wpa_s = ctx;
653 return wpa_drv_tdls_oper(wpa_s, oper, peer);
657 static int wpa_supplicant_tdls_peer_addset(
658 void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
659 const u8 *supp_rates, size_t supp_rates_len,
660 const struct ieee80211_ht_capabilities *ht_capab,
661 const struct ieee80211_vht_capabilities *vht_capab,
662 u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
663 const u8 *supp_channels, size_t supp_channels_len,
664 const u8 *supp_oper_classes, size_t supp_oper_classes_len)
666 struct wpa_supplicant *wpa_s = ctx;
667 struct hostapd_sta_add_params params;
669 os_memset(¶ms, 0, sizeof(params));
673 params.capability = capability;
674 params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
677 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
678 * present. Allow the WMM IE to also indicate QoS support.
681 params.flags |= WPA_STA_WMM;
683 params.ht_capabilities = ht_capab;
684 params.vht_capabilities = vht_capab;
685 params.qosinfo = qosinfo;
686 params.listen_interval = 0;
687 params.supp_rates = supp_rates;
688 params.supp_rates_len = supp_rates_len;
690 params.ext_capab = ext_capab;
691 params.ext_capab_len = ext_capab_len;
692 params.supp_channels = supp_channels;
693 params.supp_channels_len = supp_channels_len;
694 params.supp_oper_classes = supp_oper_classes;
695 params.supp_oper_classes_len = supp_oper_classes_len;
697 return wpa_drv_sta_add(wpa_s, ¶ms);
701 static int wpa_supplicant_tdls_enable_channel_switch(
702 void *ctx, const u8 *addr, u8 oper_class,
703 const struct hostapd_freq_params *params)
705 struct wpa_supplicant *wpa_s = ctx;
707 return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
712 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
714 struct wpa_supplicant *wpa_s = ctx;
716 return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
719 #endif /* CONFIG_TDLS */
721 #endif /* CONFIG_NO_WPA */
724 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
726 if (os_strcmp(field, "IDENTITY") == 0)
727 return WPA_CTRL_REQ_EAP_IDENTITY;
728 else if (os_strcmp(field, "PASSWORD") == 0)
729 return WPA_CTRL_REQ_EAP_PASSWORD;
730 else if (os_strcmp(field, "NEW_PASSWORD") == 0)
731 return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
732 else if (os_strcmp(field, "PIN") == 0)
733 return WPA_CTRL_REQ_EAP_PIN;
734 else if (os_strcmp(field, "OTP") == 0)
735 return WPA_CTRL_REQ_EAP_OTP;
736 else if (os_strcmp(field, "PASSPHRASE") == 0)
737 return WPA_CTRL_REQ_EAP_PASSPHRASE;
738 else if (os_strcmp(field, "SIM") == 0)
739 return WPA_CTRL_REQ_SIM;
740 return WPA_CTRL_REQ_UNKNOWN;
744 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
745 const char *default_txt,
748 const char *ret = NULL;
753 case WPA_CTRL_REQ_EAP_IDENTITY:
757 case WPA_CTRL_REQ_EAP_PASSWORD:
761 case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
762 *txt = "New Password";
763 ret = "NEW_PASSWORD";
765 case WPA_CTRL_REQ_EAP_PIN:
769 case WPA_CTRL_REQ_EAP_OTP:
772 case WPA_CTRL_REQ_EAP_PASSPHRASE:
773 *txt = "Private key passphrase";
776 case WPA_CTRL_REQ_SIM:
783 /* txt needs to be something */
785 wpa_printf(MSG_WARNING, "No message for request %d", field);
792 #ifdef IEEE8021X_EAPOL
793 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
794 static void wpa_supplicant_eap_param_needed(void *ctx,
795 enum wpa_ctrl_req_type field,
796 const char *default_txt)
798 struct wpa_supplicant *wpa_s = ctx;
799 struct wpa_ssid *ssid = wpa_s->current_ssid;
800 const char *field_name, *txt = NULL;
808 wpas_notify_network_request(wpa_s, ssid, field, default_txt);
810 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
812 if (field_name == NULL) {
813 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
818 wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
820 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
821 buf = os_malloc(buflen);
824 len = os_snprintf(buf, buflen,
825 WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
826 field_name, ssid->id, txt);
827 if (os_snprintf_error(buflen, len)) {
831 if (ssid->ssid && buflen > len + ssid->ssid_len) {
832 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
833 len += ssid->ssid_len;
836 buf[buflen - 1] = '\0';
837 wpa_msg(wpa_s, MSG_INFO, "%s", buf);
840 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
841 #define wpa_supplicant_eap_param_needed NULL
842 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
845 static void wpa_supplicant_port_cb(void *ctx, int authorized)
847 struct wpa_supplicant *wpa_s = ctx;
849 if (wpa_s->ap_iface) {
850 wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
852 authorized ? "Authorized" : "Unauthorized");
855 #endif /* CONFIG_AP */
856 wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
857 authorized ? "Authorized" : "Unauthorized");
858 wpa_drv_set_supp_port(wpa_s, authorized);
862 static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject,
863 const char *altsubject[], int num_altsubject,
864 const char *cert_hash,
865 const struct wpabuf *cert)
867 struct wpa_supplicant *wpa_s = ctx;
869 wpas_notify_certification(wpa_s, depth, subject, altsubject,
870 num_altsubject, cert_hash, cert);
874 static void wpa_supplicant_status_cb(void *ctx, const char *status,
875 const char *parameter)
877 struct wpa_supplicant *wpa_s = ctx;
879 wpas_notify_eap_status(wpa_s, status, parameter);
883 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
885 struct wpa_supplicant *wpa_s = ctx;
889 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
892 if (wpa_s->current_ssid == NULL)
896 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
900 str = os_malloc(len * 2 + 1);
903 wpa_snprintf_hex(str, len * 2 + 1, id, len);
904 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
911 if (wpa_s->conf->update_config) {
912 res = wpa_config_write(wpa_s->confname, wpa_s->conf);
914 wpa_printf(MSG_DEBUG, "Failed to update config after "
915 "anonymous_id update");
919 #endif /* IEEE8021X_EAPOL */
922 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
924 #ifdef IEEE8021X_EAPOL
925 struct eapol_ctx *ctx;
926 ctx = os_zalloc(sizeof(*ctx));
928 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
933 ctx->msg_ctx = wpa_s;
934 ctx->eapol_send_ctx = wpa_s;
936 ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
937 ctx->eapol_send = wpa_supplicant_eapol_send;
938 ctx->set_wep_key = wpa_eapol_set_wep_key;
939 #ifndef CONFIG_NO_CONFIG_BLOBS
940 ctx->set_config_blob = wpa_supplicant_set_config_blob;
941 ctx->get_config_blob = wpa_supplicant_get_config_blob;
942 #endif /* CONFIG_NO_CONFIG_BLOBS */
943 ctx->aborted_cached = wpa_supplicant_aborted_cached;
944 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
945 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
946 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
947 ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
948 ctx->wps = wpa_s->wps;
949 ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
950 ctx->port_cb = wpa_supplicant_port_cb;
951 ctx->cb = wpa_supplicant_eapol_cb;
952 ctx->cert_cb = wpa_supplicant_cert_cb;
953 ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
954 ctx->status_cb = wpa_supplicant_status_cb;
955 ctx->set_anon_id = wpa_supplicant_set_anon_id;
957 wpa_s->eapol = eapol_sm_init(ctx);
958 if (wpa_s->eapol == NULL) {
960 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
964 #endif /* IEEE8021X_EAPOL */
970 #ifndef CONFIG_NO_WPA
971 static void wpa_supplicant_set_rekey_offload(void *ctx,
972 const u8 *kek, size_t kek_len,
973 const u8 *kck, size_t kck_len,
974 const u8 *replay_ctr)
976 struct wpa_supplicant *wpa_s = ctx;
978 wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
980 #endif /* CONFIG_NO_WPA */
983 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
986 struct wpa_supplicant *wpa_s = ctx;
988 if (wpa_s->conf->key_mgmt_offload)
989 return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0,
990 NULL, 0, pmk, pmk_len);
996 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
998 #ifndef CONFIG_NO_WPA
999 struct wpa_sm_ctx *ctx;
1000 ctx = os_zalloc(sizeof(*ctx));
1002 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1007 ctx->msg_ctx = wpa_s;
1008 ctx->set_state = _wpa_supplicant_set_state;
1009 ctx->get_state = _wpa_supplicant_get_state;
1010 ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1011 ctx->set_key = wpa_supplicant_set_key;
1012 ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1013 ctx->get_bssid = wpa_supplicant_get_bssid;
1014 ctx->ether_send = _wpa_ether_send;
1015 ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1016 ctx->alloc_eapol = _wpa_alloc_eapol;
1017 ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1018 ctx->add_pmkid = wpa_supplicant_add_pmkid;
1019 ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1020 #ifndef CONFIG_NO_CONFIG_BLOBS
1021 ctx->set_config_blob = wpa_supplicant_set_config_blob;
1022 ctx->get_config_blob = wpa_supplicant_get_config_blob;
1023 #endif /* CONFIG_NO_CONFIG_BLOBS */
1024 ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1025 #ifdef CONFIG_IEEE80211R
1026 ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1027 ctx->send_ft_action = wpa_supplicant_send_ft_action;
1028 ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1029 #endif /* CONFIG_IEEE80211R */
1031 ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1032 ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1033 ctx->tdls_oper = wpa_supplicant_tdls_oper;
1034 ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1035 ctx->tdls_enable_channel_switch =
1036 wpa_supplicant_tdls_enable_channel_switch;
1037 ctx->tdls_disable_channel_switch =
1038 wpa_supplicant_tdls_disable_channel_switch;
1039 #endif /* CONFIG_TDLS */
1040 ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1041 ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1043 wpa_s->wpa = wpa_sm_init(ctx);
1044 if (wpa_s->wpa == NULL) {
1045 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
1050 #endif /* CONFIG_NO_WPA */
1056 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1057 struct wpa_ssid *ssid)
1059 struct rsn_supp_config conf;
1061 os_memset(&conf, 0, sizeof(conf));
1062 conf.network_ctx = ssid;
1063 conf.peerkey_enabled = ssid->peerkey;
1064 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1065 #ifdef IEEE8021X_EAPOL
1066 conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1067 wpa_s->conf->okc : ssid->proactive_key_caching;
1068 conf.eap_workaround = ssid->eap_workaround;
1069 conf.eap_conf_ctx = &ssid->eap;
1070 #endif /* IEEE8021X_EAPOL */
1071 conf.ssid = ssid->ssid;
1072 conf.ssid_len = ssid->ssid_len;
1073 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1075 if (ssid->p2p_group && wpa_s->current_bss &&
1076 !wpa_s->p2p_disable_ip_addr_req) {
1078 p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1079 P2P_IE_VENDOR_TYPE);
1082 group_capab = p2p_get_group_capab(p2p);
1084 P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1089 #endif /* CONFIG_P2P */
1091 wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);