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      1 /*
      2  * WPA Supplicant - Glue code to setup EAPOL and RSN modules
      3  * Copyright (c) 2003-2015, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #include "includes.h"
     10 
     11 #include "common.h"
     12 #include "eapol_supp/eapol_supp_sm.h"
     13 #include "eap_peer/eap.h"
     14 #include "rsn_supp/wpa.h"
     15 #include "eloop.h"
     16 #include "config.h"
     17 #include "l2_packet/l2_packet.h"
     18 #include "common/wpa_common.h"
     19 #include "wpa_supplicant_i.h"
     20 #include "driver_i.h"
     21 #include "rsn_supp/pmksa_cache.h"
     22 #include "sme.h"
     23 #include "common/ieee802_11_defs.h"
     24 #include "common/wpa_ctrl.h"
     25 #include "wpas_glue.h"
     26 #include "wps_supplicant.h"
     27 #include "bss.h"
     28 #include "scan.h"
     29 #include "notify.h"
     30 #include "wpas_kay.h"
     31 
     32 
     33 #ifndef CONFIG_NO_CONFIG_BLOBS
     34 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
     35 static void wpa_supplicant_set_config_blob(void *ctx,
     36 					   struct wpa_config_blob *blob)
     37 {
     38 	struct wpa_supplicant *wpa_s = ctx;
     39 	wpa_config_set_blob(wpa_s->conf, blob);
     40 	if (wpa_s->conf->update_config) {
     41 		int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
     42 		if (ret) {
     43 			wpa_printf(MSG_DEBUG, "Failed to update config after "
     44 				   "blob set");
     45 		}
     46 	}
     47 }
     48 
     49 
     50 static const struct wpa_config_blob *
     51 wpa_supplicant_get_config_blob(void *ctx, const char *name)
     52 {
     53 	struct wpa_supplicant *wpa_s = ctx;
     54 	return wpa_config_get_blob(wpa_s->conf, name);
     55 }
     56 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
     57 #endif /* CONFIG_NO_CONFIG_BLOBS */
     58 
     59 
     60 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
     61 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
     62 			    const void *data, u16 data_len,
     63 			    size_t *msg_len, void **data_pos)
     64 {
     65 	struct ieee802_1x_hdr *hdr;
     66 
     67 	*msg_len = sizeof(*hdr) + data_len;
     68 	hdr = os_malloc(*msg_len);
     69 	if (hdr == NULL)
     70 		return NULL;
     71 
     72 	hdr->version = wpa_s->conf->eapol_version;
     73 	hdr->type = type;
     74 	hdr->length = host_to_be16(data_len);
     75 
     76 	if (data)
     77 		os_memcpy(hdr + 1, data, data_len);
     78 	else
     79 		os_memset(hdr + 1, 0, data_len);
     80 
     81 	if (data_pos)
     82 		*data_pos = hdr + 1;
     83 
     84 	return (u8 *) hdr;
     85 }
     86 
     87 
     88 /**
     89  * wpa_ether_send - Send Ethernet frame
     90  * @wpa_s: Pointer to wpa_supplicant data
     91  * @dest: Destination MAC address
     92  * @proto: Ethertype in host byte order
     93  * @buf: Frame payload starting from IEEE 802.1X header
     94  * @len: Frame payload length
     95  * Returns: >=0 on success, <0 on failure
     96  */
     97 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
     98 			  u16 proto, const u8 *buf, size_t len)
     99 {
    100 #ifdef CONFIG_TESTING_OPTIONS
    101 	if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
    102 		size_t hex_len = 2 * len + 1;
    103 		char *hex = os_malloc(hex_len);
    104 
    105 		if (hex == NULL)
    106 			return -1;
    107 		wpa_snprintf_hex(hex, hex_len, buf, len);
    108 		wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
    109 			MAC2STR(dest), hex);
    110 		os_free(hex);
    111 		return 0;
    112 	}
    113 #endif /* CONFIG_TESTING_OPTIONS */
    114 
    115 	if (wpa_s->l2) {
    116 		return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
    117 	}
    118 
    119 	return -1;
    120 }
    121 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
    122 
    123 
    124 #ifdef IEEE8021X_EAPOL
    125 
    126 /**
    127  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
    128  * @ctx: Pointer to wpa_supplicant data (wpa_s)
    129  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
    130  * @buf: EAPOL payload (after IEEE 802.1X header)
    131  * @len: EAPOL payload length
    132  * Returns: >=0 on success, <0 on failure
    133  *
    134  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
    135  * to the current Authenticator.
    136  */
    137 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
    138 				     size_t len)
    139 {
    140 	struct wpa_supplicant *wpa_s = ctx;
    141 	u8 *msg, *dst, bssid[ETH_ALEN];
    142 	size_t msglen;
    143 	int res;
    144 
    145 	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
    146 	 * extra copy here */
    147 
    148 	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
    149 	    wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
    150 		/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
    151 		 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
    152 		 * machines. */
    153 		wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
    154 			   "mode (type=%d len=%lu)", type,
    155 			   (unsigned long) len);
    156 		return -1;
    157 	}
    158 
    159 	if (pmksa_cache_get_current(wpa_s->wpa) &&
    160 	    type == IEEE802_1X_TYPE_EAPOL_START) {
    161 		/*
    162 		 * We were trying to use PMKSA caching and sending EAPOL-Start
    163 		 * would abort that and trigger full EAPOL authentication.
    164 		 * However, we've already waited for the AP/Authenticator to
    165 		 * start 4-way handshake or EAP authentication, and apparently
    166 		 * it has not done so since the startWhen timer has reached zero
    167 		 * to get the state machine sending EAPOL-Start. This is not
    168 		 * really supposed to happen, but an interoperability issue with
    169 		 * a deployed AP has been identified where the connection fails
    170 		 * due to that AP failing to operate correctly if PMKID is
    171 		 * included in the Association Request frame. To work around
    172 		 * this, assume PMKSA caching failed and try to initiate full
    173 		 * EAP authentication.
    174 		 */
    175 		if (!wpa_s->current_ssid ||
    176 		    wpa_s->current_ssid->eap_workaround) {
    177 			wpa_printf(MSG_DEBUG,
    178 				   "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 		} else {
    180 			wpa_printf(MSG_DEBUG,
    181 				   "RSN: PMKSA caching - do not send EAPOL-Start");
    182 			return -1;
    183 		}
    184 	}
    185 
    186 	if (is_zero_ether_addr(wpa_s->bssid)) {
    187 		wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
    188 			   "EAPOL frame");
    189 		if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
    190 		    !is_zero_ether_addr(bssid)) {
    191 			dst = bssid;
    192 			wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
    193 				   " from the driver as the EAPOL destination",
    194 				   MAC2STR(dst));
    195 		} else {
    196 			dst = wpa_s->last_eapol_src;
    197 			wpa_printf(MSG_DEBUG, "Using the source address of the"
    198 				   " last received EAPOL frame " MACSTR " as "
    199 				   "the EAPOL destination",
    200 				   MAC2STR(dst));
    201 		}
    202 	} else {
    203 		/* BSSID was already set (from (Re)Assoc event, so use it as
    204 		 * the EAPOL destination. */
    205 		dst = wpa_s->bssid;
    206 	}
    207 
    208 	msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
    209 	if (msg == NULL)
    210 		return -1;
    211 
    212 	wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
    213 	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
    214 	res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
    215 	os_free(msg);
    216 	return res;
    217 }
    218 
    219 
    220 /**
    221  * wpa_eapol_set_wep_key - set WEP key for the driver
    222  * @ctx: Pointer to wpa_supplicant data (wpa_s)
    223  * @unicast: 1 = individual unicast key, 0 = broadcast key
    224  * @keyidx: WEP key index (0..3)
    225  * @key: Pointer to key data
    226  * @keylen: Key length in bytes
    227  * Returns: 0 on success or < 0 on error.
    228  */
    229 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
    230 				 const u8 *key, size_t keylen)
    231 {
    232 	struct wpa_supplicant *wpa_s = ctx;
    233 	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
    234 		int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
    235 			WPA_CIPHER_WEP104;
    236 		if (unicast)
    237 			wpa_s->pairwise_cipher = cipher;
    238 		else
    239 			wpa_s->group_cipher = cipher;
    240 	}
    241 	return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
    242 			       unicast ? wpa_s->bssid : NULL,
    243 			       keyidx, unicast, NULL, 0, key, keylen);
    244 }
    245 
    246 
    247 static void wpa_supplicant_aborted_cached(void *ctx)
    248 {
    249 	struct wpa_supplicant *wpa_s = ctx;
    250 	wpa_sm_aborted_cached(wpa_s->wpa);
    251 }
    252 
    253 
    254 static const char * result_str(enum eapol_supp_result result)
    255 {
    256 	switch (result) {
    257 	case EAPOL_SUPP_RESULT_FAILURE:
    258 		return "FAILURE";
    259 	case EAPOL_SUPP_RESULT_SUCCESS:
    260 		return "SUCCESS";
    261 	case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
    262 		return "EXPECTED_FAILURE";
    263 	}
    264 	return "?";
    265 }
    266 
    267 
    268 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
    269 				    enum eapol_supp_result result,
    270 				    void *ctx)
    271 {
    272 	struct wpa_supplicant *wpa_s = ctx;
    273 	int res, pmk_len;
    274 	u8 pmk[PMK_LEN];
    275 
    276 	wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
    277 		   result_str(result));
    278 
    279 	if (wpas_wps_eapol_cb(wpa_s) > 0)
    280 		return;
    281 
    282 	wpa_s->eap_expected_failure = result ==
    283 		EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
    284 
    285 	if (result != EAPOL_SUPP_RESULT_SUCCESS) {
    286 		/*
    287 		 * Make sure we do not get stuck here waiting for long EAPOL
    288 		 * timeout if the AP does not disconnect in case of
    289 		 * authentication failure.
    290 		 */
    291 		wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
    292 	} else {
    293 		ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
    294 	}
    295 
    296 	if (result != EAPOL_SUPP_RESULT_SUCCESS ||
    297 	    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
    298 		return;
    299 
    300 	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
    301 		return;
    302 
    303 	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
    304 		   "handshake");
    305 
    306 	pmk_len = PMK_LEN;
    307 	if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
    308 #ifdef CONFIG_IEEE80211R
    309 		u8 buf[2 * PMK_LEN];
    310 		wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
    311 			   "driver-based 4-way hs and FT");
    312 		res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
    313 		if (res == 0) {
    314 			os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
    315 			os_memset(buf, 0, sizeof(buf));
    316 		}
    317 #else /* CONFIG_IEEE80211R */
    318 		res = -1;
    319 #endif /* CONFIG_IEEE80211R */
    320 	} else {
    321 		res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
    322 		if (res) {
    323 			/*
    324 			 * EAP-LEAP is an exception from other EAP methods: it
    325 			 * uses only 16-byte PMK.
    326 			 */
    327 			res = eapol_sm_get_key(eapol, pmk, 16);
    328 			pmk_len = 16;
    329 		}
    330 	}
    331 
    332 	if (res) {
    333 		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
    334 			   "machines");
    335 		return;
    336 	}
    337 
    338 	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
    339 			"handshake", pmk, pmk_len);
    340 
    341 	if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
    342 			    pmk_len)) {
    343 		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
    344 	}
    345 
    346 	wpa_supplicant_cancel_scan(wpa_s);
    347 	wpa_supplicant_cancel_auth_timeout(wpa_s);
    348 	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
    349 
    350 }
    351 
    352 
    353 static void wpa_supplicant_notify_eapol_done(void *ctx)
    354 {
    355 	struct wpa_supplicant *wpa_s = ctx;
    356 	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
    357 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
    358 		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
    359 	} else {
    360 		wpa_supplicant_cancel_auth_timeout(wpa_s);
    361 		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
    362 	}
    363 }
    364 
    365 #endif /* IEEE8021X_EAPOL */
    366 
    367 
    368 #ifndef CONFIG_NO_WPA
    369 
    370 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
    371 {
    372 	int ret = 0;
    373 	struct wpa_bss *curr = NULL, *bss;
    374 	struct wpa_ssid *ssid = wpa_s->current_ssid;
    375 	const u8 *ie;
    376 
    377 	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
    378 		if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
    379 			continue;
    380 		if (ssid == NULL ||
    381 		    ((bss->ssid_len == ssid->ssid_len &&
    382 		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
    383 		     ssid->ssid_len == 0)) {
    384 			curr = bss;
    385 			break;
    386 		}
    387 	}
    388 
    389 	if (curr) {
    390 		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
    391 		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
    392 			ret = -1;
    393 
    394 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
    395 		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
    396 			ret = -1;
    397 	} else {
    398 		ret = -1;
    399 	}
    400 
    401 	return ret;
    402 }
    403 
    404 
    405 static int wpa_supplicant_get_beacon_ie(void *ctx)
    406 {
    407 	struct wpa_supplicant *wpa_s = ctx;
    408 	if (wpa_get_beacon_ie(wpa_s) == 0) {
    409 		return 0;
    410 	}
    411 
    412 	/* No WPA/RSN IE found in the cached scan results. Try to get updated
    413 	 * scan results from the driver. */
    414 	if (wpa_supplicant_update_scan_results(wpa_s) < 0)
    415 		return -1;
    416 
    417 	return wpa_get_beacon_ie(wpa_s);
    418 }
    419 
    420 
    421 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
    422 			     const void *data, u16 data_len,
    423 			     size_t *msg_len, void **data_pos)
    424 {
    425 	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
    426 }
    427 
    428 
    429 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
    430 			   const u8 *buf, size_t len)
    431 {
    432 	return wpa_ether_send(wpa_s, dest, proto, buf, len);
    433 }
    434 
    435 
    436 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
    437 {
    438 	wpa_supplicant_cancel_auth_timeout(wpa_s);
    439 }
    440 
    441 
    442 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
    443 {
    444 	wpa_supplicant_set_state(wpa_s, state);
    445 }
    446 
    447 
    448 /**
    449  * wpa_supplicant_get_state - Get the connection state
    450  * @wpa_s: Pointer to wpa_supplicant data
    451  * Returns: The current connection state (WPA_*)
    452  */
    453 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
    454 {
    455 	return wpa_s->wpa_state;
    456 }
    457 
    458 
    459 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
    460 {
    461 	return wpa_supplicant_get_state(wpa_s);
    462 }
    463 
    464 
    465 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
    466 {
    467 	wpa_supplicant_deauthenticate(wpa_s, reason_code);
    468 	/* Schedule a scan to make sure we continue looking for networks */
    469 	wpa_supplicant_req_scan(wpa_s, 5, 0);
    470 }
    471 
    472 
    473 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
    474 {
    475 	return wpa_supplicant_get_ssid(wpa_s);
    476 }
    477 
    478 
    479 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
    480 {
    481 	struct wpa_supplicant *wpa_s = ctx;
    482 	return wpa_drv_get_bssid(wpa_s, bssid);
    483 }
    484 
    485 
    486 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
    487 				  const u8 *addr, int key_idx, int set_tx,
    488 				  const u8 *seq, size_t seq_len,
    489 				  const u8 *key, size_t key_len)
    490 {
    491 	struct wpa_supplicant *wpa_s = _wpa_s;
    492 	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
    493 		/* Clear the MIC error counter when setting a new PTK. */
    494 		wpa_s->mic_errors_seen = 0;
    495 	}
    496 #ifdef CONFIG_TESTING_GET_GTK
    497 	if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
    498 	    alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
    499 		os_memcpy(wpa_s->last_gtk, key, key_len);
    500 		wpa_s->last_gtk_len = key_len;
    501 	}
    502 #endif /* CONFIG_TESTING_GET_GTK */
    503 	return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
    504 			       key, key_len);
    505 }
    506 
    507 
    508 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
    509 					     int protection_type,
    510 					     int key_type)
    511 {
    512 	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
    513 					  key_type);
    514 }
    515 
    516 
    517 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
    518 					      void *network_ctx)
    519 {
    520 	struct wpa_ssid *ssid;
    521 
    522 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
    523 		if (network_ctx == ssid)
    524 			return ssid;
    525 	}
    526 
    527 	return NULL;
    528 }
    529 
    530 
    531 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
    532 				    const u8 *bssid, const u8 *pmkid)
    533 {
    534 	struct wpa_supplicant *wpa_s = _wpa_s;
    535 	struct wpa_ssid *ssid;
    536 
    537 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
    538 	if (ssid)
    539 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
    540 			MAC2STR(bssid), ssid->id);
    541 	return wpa_drv_add_pmkid(wpa_s, bssid, pmkid);
    542 }
    543 
    544 
    545 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
    546 				       const u8 *bssid, const u8 *pmkid)
    547 {
    548 	struct wpa_supplicant *wpa_s = _wpa_s;
    549 	struct wpa_ssid *ssid;
    550 
    551 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
    552 	if (ssid)
    553 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
    554 			MAC2STR(bssid), ssid->id);
    555 	return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid);
    556 }
    557 
    558 
    559 #ifdef CONFIG_IEEE80211R
    560 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
    561 					const u8 *ies, size_t ies_len)
    562 {
    563 	struct wpa_supplicant *wpa_s = ctx;
    564 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
    565 		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
    566 	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
    567 }
    568 
    569 
    570 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
    571 					 const u8 *target_ap,
    572 					 const u8 *ies, size_t ies_len)
    573 {
    574 	struct wpa_supplicant *wpa_s = ctx;
    575 	int ret;
    576 	u8 *data, *pos;
    577 	size_t data_len;
    578 
    579 	if (action != 1) {
    580 		wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
    581 			   action);
    582 		return -1;
    583 	}
    584 
    585 	/*
    586 	 * Action frame payload:
    587 	 * Category[1] = 6 (Fast BSS Transition)
    588 	 * Action[1] = 1 (Fast BSS Transition Request)
    589 	 * STA Address
    590 	 * Target AP Address
    591 	 * FT IEs
    592 	 */
    593 
    594 	data_len = 2 + 2 * ETH_ALEN + ies_len;
    595 	data = os_malloc(data_len);
    596 	if (data == NULL)
    597 		return -1;
    598 	pos = data;
    599 	*pos++ = 0x06; /* FT Action category */
    600 	*pos++ = action;
    601 	os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
    602 	pos += ETH_ALEN;
    603 	os_memcpy(pos, target_ap, ETH_ALEN);
    604 	pos += ETH_ALEN;
    605 	os_memcpy(pos, ies, ies_len);
    606 
    607 	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
    608 				  wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
    609 				  data, data_len, 0);
    610 	os_free(data);
    611 
    612 	return ret;
    613 }
    614 
    615 
    616 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
    617 {
    618 	struct wpa_supplicant *wpa_s = ctx;
    619 	struct wpa_driver_auth_params params;
    620 	struct wpa_bss *bss;
    621 
    622 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
    623 	if (bss == NULL)
    624 		return -1;
    625 
    626 	os_memset(&params, 0, sizeof(params));
    627 	params.bssid = target_ap;
    628 	params.freq = bss->freq;
    629 	params.ssid = bss->ssid;
    630 	params.ssid_len = bss->ssid_len;
    631 	params.auth_alg = WPA_AUTH_ALG_FT;
    632 	params.local_state_change = 1;
    633 	return wpa_drv_authenticate(wpa_s, &params);
    634 }
    635 #endif /* CONFIG_IEEE80211R */
    636 
    637 
    638 #ifdef CONFIG_TDLS
    639 
    640 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
    641 					int *tdls_ext_setup,
    642 					int *tdls_chan_switch)
    643 {
    644 	struct wpa_supplicant *wpa_s = ctx;
    645 
    646 	*tdls_supported = 0;
    647 	*tdls_ext_setup = 0;
    648 	*tdls_chan_switch = 0;
    649 
    650 	if (!wpa_s->drv_capa_known)
    651 		return -1;
    652 
    653 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
    654 		*tdls_supported = 1;
    655 
    656 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
    657 		*tdls_ext_setup = 1;
    658 
    659 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
    660 		*tdls_chan_switch = 1;
    661 
    662 	return 0;
    663 }
    664 
    665 
    666 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
    667 					 u8 action_code, u8 dialog_token,
    668 					 u16 status_code, u32 peer_capab,
    669 					 int initiator, const u8 *buf,
    670 					 size_t len)
    671 {
    672 	struct wpa_supplicant *wpa_s = ctx;
    673 	return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
    674 				      status_code, peer_capab, initiator, buf,
    675 				      len);
    676 }
    677 
    678 
    679 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
    680 {
    681 	struct wpa_supplicant *wpa_s = ctx;
    682 	return wpa_drv_tdls_oper(wpa_s, oper, peer);
    683 }
    684 
    685 
    686 static int wpa_supplicant_tdls_peer_addset(
    687 	void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
    688 	const u8 *supp_rates, size_t supp_rates_len,
    689 	const struct ieee80211_ht_capabilities *ht_capab,
    690 	const struct ieee80211_vht_capabilities *vht_capab,
    691 	u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
    692 	const u8 *supp_channels, size_t supp_channels_len,
    693 	const u8 *supp_oper_classes, size_t supp_oper_classes_len)
    694 {
    695 	struct wpa_supplicant *wpa_s = ctx;
    696 	struct hostapd_sta_add_params params;
    697 
    698 	os_memset(&params, 0, sizeof(params));
    699 
    700 	params.addr = peer;
    701 	params.aid = aid;
    702 	params.capability = capability;
    703 	params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
    704 
    705 	/*
    706 	 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
    707 	 * present. Allow the WMM IE to also indicate QoS support.
    708 	 */
    709 	if (wmm || qosinfo)
    710 		params.flags |= WPA_STA_WMM;
    711 
    712 	params.ht_capabilities = ht_capab;
    713 	params.vht_capabilities = vht_capab;
    714 	params.qosinfo = qosinfo;
    715 	params.listen_interval = 0;
    716 	params.supp_rates = supp_rates;
    717 	params.supp_rates_len = supp_rates_len;
    718 	params.set = !add;
    719 	params.ext_capab = ext_capab;
    720 	params.ext_capab_len = ext_capab_len;
    721 	params.supp_channels = supp_channels;
    722 	params.supp_channels_len = supp_channels_len;
    723 	params.supp_oper_classes = supp_oper_classes;
    724 	params.supp_oper_classes_len = supp_oper_classes_len;
    725 
    726 	return wpa_drv_sta_add(wpa_s, &params);
    727 }
    728 
    729 
    730 static int wpa_supplicant_tdls_enable_channel_switch(
    731 	void *ctx, const u8 *addr, u8 oper_class,
    732 	const struct hostapd_freq_params *params)
    733 {
    734 	struct wpa_supplicant *wpa_s = ctx;
    735 
    736 	return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
    737 						  params);
    738 }
    739 
    740 
    741 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
    742 {
    743 	struct wpa_supplicant *wpa_s = ctx;
    744 
    745 	return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
    746 }
    747 
    748 #endif /* CONFIG_TDLS */
    749 
    750 #endif /* CONFIG_NO_WPA */
    751 
    752 
    753 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
    754 {
    755 	if (os_strcmp(field, "IDENTITY") == 0)
    756 		return WPA_CTRL_REQ_EAP_IDENTITY;
    757 	else if (os_strcmp(field, "PASSWORD") == 0)
    758 		return WPA_CTRL_REQ_EAP_PASSWORD;
    759 	else if (os_strcmp(field, "NEW_PASSWORD") == 0)
    760 		return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
    761 	else if (os_strcmp(field, "PIN") == 0)
    762 		return WPA_CTRL_REQ_EAP_PIN;
    763 	else if (os_strcmp(field, "OTP") == 0)
    764 		return WPA_CTRL_REQ_EAP_OTP;
    765 	else if (os_strcmp(field, "PASSPHRASE") == 0)
    766 		return WPA_CTRL_REQ_EAP_PASSPHRASE;
    767 	else if (os_strcmp(field, "SIM") == 0)
    768 		return WPA_CTRL_REQ_SIM;
    769 	else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
    770 		return WPA_CTRL_REQ_PSK_PASSPHRASE;
    771 	else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
    772 		return WPA_CTRL_REQ_EXT_CERT_CHECK;
    773 	return WPA_CTRL_REQ_UNKNOWN;
    774 }
    775 
    776 
    777 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
    778 					       const char *default_txt,
    779 					       const char **txt)
    780 {
    781 	const char *ret = NULL;
    782 
    783 	*txt = default_txt;
    784 
    785 	switch (field) {
    786 	case WPA_CTRL_REQ_EAP_IDENTITY:
    787 		*txt = "Identity";
    788 		ret = "IDENTITY";
    789 		break;
    790 	case WPA_CTRL_REQ_EAP_PASSWORD:
    791 		*txt = "Password";
    792 		ret = "PASSWORD";
    793 		break;
    794 	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
    795 		*txt = "New Password";
    796 		ret = "NEW_PASSWORD";
    797 		break;
    798 	case WPA_CTRL_REQ_EAP_PIN:
    799 		*txt = "PIN";
    800 		ret = "PIN";
    801 		break;
    802 	case WPA_CTRL_REQ_EAP_OTP:
    803 		ret = "OTP";
    804 		break;
    805 	case WPA_CTRL_REQ_EAP_PASSPHRASE:
    806 		*txt = "Private key passphrase";
    807 		ret = "PASSPHRASE";
    808 		break;
    809 	case WPA_CTRL_REQ_SIM:
    810 		ret = "SIM";
    811 		break;
    812 	case WPA_CTRL_REQ_PSK_PASSPHRASE:
    813 		*txt = "PSK or passphrase";
    814 		ret = "PSK_PASSPHRASE";
    815 		break;
    816 	case WPA_CTRL_REQ_EXT_CERT_CHECK:
    817 		*txt = "External server certificate validation";
    818 		ret = "EXT_CERT_CHECK";
    819 		break;
    820 	default:
    821 		break;
    822 	}
    823 
    824 	/* txt needs to be something */
    825 	if (*txt == NULL) {
    826 		wpa_printf(MSG_WARNING, "No message for request %d", field);
    827 		ret = NULL;
    828 	}
    829 
    830 	return ret;
    831 }
    832 
    833 
    834 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    835 			const char *field_name, const char *txt)
    836 {
    837 	char *buf;
    838 	size_t buflen;
    839 	int len;
    840 
    841 	buflen = 100 + os_strlen(txt) + ssid->ssid_len;
    842 	buf = os_malloc(buflen);
    843 	if (buf == NULL)
    844 		return;
    845 	len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
    846 			  field_name, ssid->id, txt);
    847 	if (os_snprintf_error(buflen, len)) {
    848 		os_free(buf);
    849 		return;
    850 	}
    851 	if (ssid->ssid && buflen > len + ssid->ssid_len) {
    852 		os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
    853 		len += ssid->ssid_len;
    854 		buf[len] = '\0';
    855 	}
    856 	buf[buflen - 1] = '\0';
    857 	wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
    858 	os_free(buf);
    859 }
    860 
    861 
    862 #ifdef IEEE8021X_EAPOL
    863 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
    864 static void wpa_supplicant_eap_param_needed(void *ctx,
    865 					    enum wpa_ctrl_req_type field,
    866 					    const char *default_txt)
    867 {
    868 	struct wpa_supplicant *wpa_s = ctx;
    869 	struct wpa_ssid *ssid = wpa_s->current_ssid;
    870 	const char *field_name, *txt = NULL;
    871 
    872 	if (ssid == NULL)
    873 		return;
    874 
    875 	if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
    876 		ssid->eap.pending_ext_cert_check = PENDING_CHECK;
    877 	wpas_notify_network_request(wpa_s, ssid, field, default_txt);
    878 
    879 	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
    880 						       &txt);
    881 	if (field_name == NULL) {
    882 		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
    883 			   field);
    884 		return;
    885 	}
    886 
    887 	wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
    888 
    889 	wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
    890 }
    891 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
    892 #define wpa_supplicant_eap_param_needed NULL
    893 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
    894 
    895 
    896 #ifdef CONFIG_EAP_PROXY
    897 
    898 static void wpa_supplicant_eap_proxy_cb(void *ctx)
    899 {
    900 	struct wpa_supplicant *wpa_s = ctx;
    901 	size_t len;
    902 
    903 	wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol,
    904 						     wpa_s->imsi, &len);
    905 	if (wpa_s->mnc_len > 0) {
    906 		wpa_s->imsi[len] = '\0';
    907 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
    908 			   wpa_s->imsi, wpa_s->mnc_len);
    909 	} else {
    910 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
    911 	}
    912 }
    913 
    914 
    915 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
    916 {
    917 	int i;
    918 	struct wpa_ssid *ssid;
    919 	const struct eap_method_type *eap_methods;
    920 
    921 	if (!wpa_s->conf)
    922 		return;
    923 
    924 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)	{
    925 		eap_methods = ssid->eap.eap_methods;
    926 		if (!eap_methods)
    927 			continue;
    928 
    929 		for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
    930 			if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
    931 			    (eap_methods[i].method == EAP_TYPE_SIM ||
    932 			     eap_methods[i].method == EAP_TYPE_AKA ||
    933 			     eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
    934 				wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
    935 				break;
    936 			}
    937 		}
    938 	}
    939 }
    940 
    941 
    942 static void
    943 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
    944 					   enum eap_proxy_sim_state sim_state)
    945 {
    946 	struct wpa_supplicant *wpa_s = ctx;
    947 
    948 	wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
    949 	switch (sim_state) {
    950 	case SIM_STATE_ERROR:
    951 		wpa_sm_sim_state_error_handler(wpa_s);
    952 		break;
    953 	default:
    954 		wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
    955 		break;
    956 	}
    957 }
    958 
    959 #endif /* CONFIG_EAP_PROXY */
    960 
    961 
    962 static void wpa_supplicant_port_cb(void *ctx, int authorized)
    963 {
    964 	struct wpa_supplicant *wpa_s = ctx;
    965 #ifdef CONFIG_AP
    966 	if (wpa_s->ap_iface) {
    967 		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
    968 			   "port status: %s",
    969 			   authorized ? "Authorized" : "Unauthorized");
    970 		return;
    971 	}
    972 #endif /* CONFIG_AP */
    973 	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
    974 		   authorized ? "Authorized" : "Unauthorized");
    975 	wpa_drv_set_supp_port(wpa_s, authorized);
    976 }
    977 
    978 
    979 static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject,
    980 				   const char *altsubject[], int num_altsubject,
    981 				   const char *cert_hash,
    982 				   const struct wpabuf *cert)
    983 {
    984 	struct wpa_supplicant *wpa_s = ctx;
    985 
    986 	wpas_notify_certification(wpa_s, depth, subject, altsubject,
    987 				  num_altsubject, cert_hash, cert);
    988 }
    989 
    990 
    991 static void wpa_supplicant_status_cb(void *ctx, const char *status,
    992 				     const char *parameter)
    993 {
    994 	struct wpa_supplicant *wpa_s = ctx;
    995 
    996 	wpas_notify_eap_status(wpa_s, status, parameter);
    997 }
    998 
    999 
   1000 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
   1001 {
   1002 	struct wpa_supplicant *wpa_s = ctx;
   1003 	char *str;
   1004 	int res;
   1005 
   1006 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
   1007 			  id, len);
   1008 
   1009 	if (wpa_s->current_ssid == NULL)
   1010 		return;
   1011 
   1012 	if (id == NULL) {
   1013 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
   1014 				   "NULL", 0) < 0)
   1015 			return;
   1016 	} else {
   1017 		str = os_malloc(len * 2 + 1);
   1018 		if (str == NULL)
   1019 			return;
   1020 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
   1021 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
   1022 				     str, 0);
   1023 		os_free(str);
   1024 		if (res < 0)
   1025 			return;
   1026 	}
   1027 
   1028 	if (wpa_s->conf->update_config) {
   1029 		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
   1030 		if (res) {
   1031 			wpa_printf(MSG_DEBUG, "Failed to update config after "
   1032 				   "anonymous_id update");
   1033 		}
   1034 	}
   1035 }
   1036 #endif /* IEEE8021X_EAPOL */
   1037 
   1038 
   1039 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
   1040 {
   1041 #ifdef IEEE8021X_EAPOL
   1042 	struct eapol_ctx *ctx;
   1043 	ctx = os_zalloc(sizeof(*ctx));
   1044 	if (ctx == NULL) {
   1045 		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
   1046 		return -1;
   1047 	}
   1048 
   1049 	ctx->ctx = wpa_s;
   1050 	ctx->msg_ctx = wpa_s;
   1051 	ctx->eapol_send_ctx = wpa_s;
   1052 	ctx->preauth = 0;
   1053 	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
   1054 	ctx->eapol_send = wpa_supplicant_eapol_send;
   1055 	ctx->set_wep_key = wpa_eapol_set_wep_key;
   1056 #ifndef CONFIG_NO_CONFIG_BLOBS
   1057 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
   1058 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
   1059 #endif /* CONFIG_NO_CONFIG_BLOBS */
   1060 	ctx->aborted_cached = wpa_supplicant_aborted_cached;
   1061 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
   1062 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
   1063 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
   1064 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
   1065 	ctx->wps = wpa_s->wps;
   1066 	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
   1067 #ifdef CONFIG_EAP_PROXY
   1068 	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
   1069 	ctx->eap_proxy_notify_sim_status =
   1070 		wpa_supplicant_eap_proxy_notify_sim_status;
   1071 #endif /* CONFIG_EAP_PROXY */
   1072 	ctx->port_cb = wpa_supplicant_port_cb;
   1073 	ctx->cb = wpa_supplicant_eapol_cb;
   1074 	ctx->cert_cb = wpa_supplicant_cert_cb;
   1075 	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
   1076 	ctx->status_cb = wpa_supplicant_status_cb;
   1077 	ctx->set_anon_id = wpa_supplicant_set_anon_id;
   1078 	ctx->cb_ctx = wpa_s;
   1079 	wpa_s->eapol = eapol_sm_init(ctx);
   1080 	if (wpa_s->eapol == NULL) {
   1081 		os_free(ctx);
   1082 		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
   1083 			   "machines.");
   1084 		return -1;
   1085 	}
   1086 #endif /* IEEE8021X_EAPOL */
   1087 
   1088 	return 0;
   1089 }
   1090 
   1091 
   1092 #ifndef CONFIG_NO_WPA
   1093 
   1094 static void wpa_supplicant_set_rekey_offload(void *ctx,
   1095 					     const u8 *kek, size_t kek_len,
   1096 					     const u8 *kck, size_t kck_len,
   1097 					     const u8 *replay_ctr)
   1098 {
   1099 	struct wpa_supplicant *wpa_s = ctx;
   1100 
   1101 	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
   1102 }
   1103 
   1104 
   1105 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
   1106 					   size_t pmk_len)
   1107 {
   1108 	struct wpa_supplicant *wpa_s = ctx;
   1109 
   1110 	if (wpa_s->conf->key_mgmt_offload &&
   1111 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
   1112 		return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0,
   1113 				       NULL, 0, pmk, pmk_len);
   1114 	else
   1115 		return 0;
   1116 }
   1117 
   1118 
   1119 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
   1120 				       const u8 *pkt, size_t pkt_len)
   1121 {
   1122 	struct wpa_supplicant *wpa_s = ctx;
   1123 	char *hex;
   1124 	size_t hexlen;
   1125 
   1126 	hexlen = pkt_len * 2 + 1;
   1127 	hex = os_malloc(hexlen);
   1128 	if (!hex)
   1129 		return;
   1130 	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
   1131 	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
   1132 		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
   1133 	os_free(hex);
   1134 }
   1135 
   1136 #endif /* CONFIG_NO_WPA */
   1137 
   1138 
   1139 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
   1140 {
   1141 #ifndef CONFIG_NO_WPA
   1142 	struct wpa_sm_ctx *ctx;
   1143 	ctx = os_zalloc(sizeof(*ctx));
   1144 	if (ctx == NULL) {
   1145 		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
   1146 		return -1;
   1147 	}
   1148 
   1149 	ctx->ctx = wpa_s;
   1150 	ctx->msg_ctx = wpa_s;
   1151 	ctx->set_state = _wpa_supplicant_set_state;
   1152 	ctx->get_state = _wpa_supplicant_get_state;
   1153 	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
   1154 	ctx->set_key = wpa_supplicant_set_key;
   1155 	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
   1156 	ctx->get_bssid = wpa_supplicant_get_bssid;
   1157 	ctx->ether_send = _wpa_ether_send;
   1158 	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
   1159 	ctx->alloc_eapol = _wpa_alloc_eapol;
   1160 	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
   1161 	ctx->add_pmkid = wpa_supplicant_add_pmkid;
   1162 	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
   1163 #ifndef CONFIG_NO_CONFIG_BLOBS
   1164 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
   1165 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
   1166 #endif /* CONFIG_NO_CONFIG_BLOBS */
   1167 	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
   1168 #ifdef CONFIG_IEEE80211R
   1169 	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
   1170 	ctx->send_ft_action = wpa_supplicant_send_ft_action;
   1171 	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
   1172 #endif /* CONFIG_IEEE80211R */
   1173 #ifdef CONFIG_TDLS
   1174 	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
   1175 	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
   1176 	ctx->tdls_oper = wpa_supplicant_tdls_oper;
   1177 	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
   1178 	ctx->tdls_enable_channel_switch =
   1179 		wpa_supplicant_tdls_enable_channel_switch;
   1180 	ctx->tdls_disable_channel_switch =
   1181 		wpa_supplicant_tdls_disable_channel_switch;
   1182 #endif /* CONFIG_TDLS */
   1183 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
   1184 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
   1185 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
   1186 
   1187 	wpa_s->wpa = wpa_sm_init(ctx);
   1188 	if (wpa_s->wpa == NULL) {
   1189 		wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
   1190 			   "machine");
   1191 		os_free(ctx);
   1192 		return -1;
   1193 	}
   1194 #endif /* CONFIG_NO_WPA */
   1195 
   1196 	return 0;
   1197 }
   1198 
   1199 
   1200 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
   1201 					struct wpa_ssid *ssid)
   1202 {
   1203 	struct rsn_supp_config conf;
   1204 	if (ssid) {
   1205 		os_memset(&conf, 0, sizeof(conf));
   1206 		conf.network_ctx = ssid;
   1207 		conf.peerkey_enabled = ssid->peerkey;
   1208 		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
   1209 #ifdef IEEE8021X_EAPOL
   1210 		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
   1211 			wpa_s->conf->okc : ssid->proactive_key_caching;
   1212 		conf.eap_workaround = ssid->eap_workaround;
   1213 		conf.eap_conf_ctx = &ssid->eap;
   1214 #endif /* IEEE8021X_EAPOL */
   1215 		conf.ssid = ssid->ssid;
   1216 		conf.ssid_len = ssid->ssid_len;
   1217 		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
   1218 #ifdef CONFIG_P2P
   1219 		if (ssid->p2p_group && wpa_s->current_bss &&
   1220 		    !wpa_s->p2p_disable_ip_addr_req) {
   1221 			struct wpabuf *p2p;
   1222 			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
   1223 							  P2P_IE_VENDOR_TYPE);
   1224 			if (p2p) {
   1225 				u8 group_capab;
   1226 				group_capab = p2p_get_group_capab(p2p);
   1227 				if (group_capab &
   1228 				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
   1229 					conf.p2p = 1;
   1230 				wpabuf_free(p2p);
   1231 			}
   1232 		}
   1233 #endif /* CONFIG_P2P */
   1234 		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
   1235 	}
   1236 	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
   1237 }
   1238