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wpas_glue.c revision 1.1.1.10
      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 "common/ptksa_cache.h"
     20 #include "wpa_supplicant_i.h"
     21 #include "driver_i.h"
     22 #include "rsn_supp/pmksa_cache.h"
     23 #include "sme.h"
     24 #include "common/ieee802_11_defs.h"
     25 #include "common/wpa_ctrl.h"
     26 #include "wpas_glue.h"
     27 #include "wps_supplicant.h"
     28 #include "bss.h"
     29 #include "scan.h"
     30 #include "notify.h"
     31 #include "wpas_kay.h"
     32 
     33 
     34 #ifndef CONFIG_NO_CONFIG_BLOBS
     35 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
     36 static void wpa_supplicant_set_config_blob(void *ctx,
     37 					   struct wpa_config_blob *blob)
     38 {
     39 	struct wpa_supplicant *wpa_s = ctx;
     40 	wpa_config_set_blob(wpa_s->conf, blob);
     41 	if (wpa_s->conf->update_config) {
     42 		int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
     43 		if (ret) {
     44 			wpa_printf(MSG_DEBUG, "Failed to update config after "
     45 				   "blob set");
     46 		}
     47 	}
     48 }
     49 
     50 
     51 static const struct wpa_config_blob *
     52 wpa_supplicant_get_config_blob(void *ctx, const char *name)
     53 {
     54 	struct wpa_supplicant *wpa_s = ctx;
     55 	return wpa_config_get_blob(wpa_s->conf, name);
     56 }
     57 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
     58 #endif /* CONFIG_NO_CONFIG_BLOBS */
     59 
     60 
     61 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
     62 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
     63 			    const void *data, u16 data_len,
     64 			    size_t *msg_len, void **data_pos)
     65 {
     66 	struct ieee802_1x_hdr *hdr;
     67 
     68 	*msg_len = sizeof(*hdr) + data_len;
     69 	hdr = os_malloc(*msg_len);
     70 	if (hdr == NULL)
     71 		return NULL;
     72 
     73 	hdr->version = wpa_s->conf->eapol_version;
     74 	hdr->type = type;
     75 	hdr->length = host_to_be16(data_len);
     76 
     77 	if (data)
     78 		os_memcpy(hdr + 1, data, data_len);
     79 	else
     80 		os_memset(hdr + 1, 0, data_len);
     81 
     82 	if (data_pos)
     83 		*data_pos = hdr + 1;
     84 
     85 	return (u8 *) hdr;
     86 }
     87 
     88 
     89 /**
     90  * wpa_ether_send - Send Ethernet frame
     91  * @wpa_s: Pointer to wpa_supplicant data
     92  * @dest: Destination MAC address
     93  * @proto: Ethertype in host byte order
     94  * @buf: Frame payload starting from IEEE 802.1X header
     95  * @len: Frame payload length
     96  * Returns: >=0 on success, <0 on failure
     97  */
     98 int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
     99 		   u16 proto, const u8 *buf, size_t len)
    100 {
    101 #ifdef CONFIG_TESTING_OPTIONS
    102 	if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
    103 		size_t hex_len = 2 * len + 1;
    104 		char *hex = os_malloc(hex_len);
    105 
    106 		if (hex == NULL)
    107 			return -1;
    108 		wpa_snprintf_hex(hex, hex_len, buf, len);
    109 		wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
    110 			MAC2STR(dest), hex);
    111 		os_free(hex);
    112 		return 0;
    113 	}
    114 #endif /* CONFIG_TESTING_OPTIONS */
    115 
    116 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_CONTROL_PORT) {
    117 		int encrypt = wpa_s->wpa &&
    118 			wpa_sm_has_ptk_installed(wpa_s->wpa);
    119 
    120 		return wpa_drv_tx_control_port(wpa_s, dest, proto, buf, len,
    121 					       !encrypt);
    122 	}
    123 
    124 	if (wpa_s->l2) {
    125 		return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
    126 	}
    127 
    128 	return -1;
    129 }
    130 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
    131 
    132 
    133 #ifdef IEEE8021X_EAPOL
    134 
    135 /**
    136  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
    137  * @ctx: Pointer to wpa_supplicant data (wpa_s)
    138  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
    139  * @buf: EAPOL payload (after IEEE 802.1X header)
    140  * @len: EAPOL payload length
    141  * Returns: >=0 on success, <0 on failure
    142  *
    143  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
    144  * to the current Authenticator.
    145  */
    146 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
    147 				     size_t len)
    148 {
    149 	struct wpa_supplicant *wpa_s = ctx;
    150 	u8 *msg, *dst, bssid[ETH_ALEN];
    151 	size_t msglen;
    152 	int res;
    153 
    154 	/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
    155 	 * extra copy here */
    156 
    157 	if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
    158 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
    159 	    wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
    160 	    wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
    161 		/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
    162 		 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
    163 		 * machines. */
    164 		wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
    165 			   "mode (type=%d len=%lu)", type,
    166 			   (unsigned long) len);
    167 		return -1;
    168 	}
    169 
    170 	if (pmksa_cache_get_current(wpa_s->wpa) &&
    171 	    type == IEEE802_1X_TYPE_EAPOL_START) {
    172 		/*
    173 		 * We were trying to use PMKSA caching and sending EAPOL-Start
    174 		 * would abort that and trigger full EAPOL authentication.
    175 		 * However, we've already waited for the AP/Authenticator to
    176 		 * start 4-way handshake or EAP authentication, and apparently
    177 		 * it has not done so since the startWhen timer has reached zero
    178 		 * to get the state machine sending EAPOL-Start. This is not
    179 		 * really supposed to happen, but an interoperability issue with
    180 		 * a deployed AP has been identified where the connection fails
    181 		 * due to that AP failing to operate correctly if PMKID is
    182 		 * included in the Association Request frame. To work around
    183 		 * this, assume PMKSA caching failed and try to initiate full
    184 		 * EAP authentication.
    185 		 */
    186 		if (!wpa_s->current_ssid ||
    187 		    wpa_s->current_ssid->eap_workaround) {
    188 			wpa_printf(MSG_DEBUG,
    189 				   "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");
    190 		} else {
    191 			wpa_printf(MSG_DEBUG,
    192 				   "RSN: PMKSA caching - do not send EAPOL-Start");
    193 			return -1;
    194 		}
    195 	}
    196 
    197 	if (is_zero_ether_addr(wpa_s->bssid)) {
    198 		wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
    199 			   "EAPOL frame");
    200 		if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
    201 		    !is_zero_ether_addr(bssid)) {
    202 			dst = bssid;
    203 			wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
    204 				   " from the driver as the EAPOL destination",
    205 				   MAC2STR(dst));
    206 		} else {
    207 			dst = wpa_s->last_eapol_src;
    208 			wpa_printf(MSG_DEBUG, "Using the source address of the"
    209 				   " last received EAPOL frame " MACSTR " as "
    210 				   "the EAPOL destination",
    211 				   MAC2STR(dst));
    212 		}
    213 	} else {
    214 		/* BSSID was already set (from (Re)Assoc event, so use it as
    215 		 * the EAPOL destination. */
    216 		dst = wpa_s->bssid;
    217 	}
    218 
    219 	msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
    220 	if (msg == NULL)
    221 		return -1;
    222 
    223 	wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
    224 	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
    225 	res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
    226 	os_free(msg);
    227 	return res;
    228 }
    229 
    230 
    231 #ifdef CONFIG_WEP
    232 /**
    233  * wpa_eapol_set_wep_key - set WEP key for the driver
    234  * @ctx: Pointer to wpa_supplicant data (wpa_s)
    235  * @unicast: 1 = individual unicast key, 0 = broadcast key
    236  * @keyidx: WEP key index (0..3)
    237  * @key: Pointer to key data
    238  * @keylen: Key length in bytes
    239  * Returns: 0 on success or < 0 on error.
    240  */
    241 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
    242 				 const u8 *key, size_t keylen)
    243 {
    244 	struct wpa_supplicant *wpa_s = ctx;
    245 	if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
    246 		int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
    247 			WPA_CIPHER_WEP104;
    248 		if (unicast)
    249 			wpa_s->pairwise_cipher = cipher;
    250 		else
    251 			wpa_s->group_cipher = cipher;
    252 	}
    253 	return wpa_drv_set_key(wpa_s, -1, WPA_ALG_WEP,
    254 			       unicast ? wpa_s->bssid : NULL,
    255 			       keyidx, unicast, NULL, 0, key, keylen,
    256 			       unicast ? KEY_FLAG_PAIRWISE_RX_TX :
    257 			       KEY_FLAG_GROUP_RX_TX_DEFAULT);
    258 }
    259 #endif /* CONFIG_WEP */
    260 
    261 
    262 static void wpa_supplicant_aborted_cached(void *ctx)
    263 {
    264 	struct wpa_supplicant *wpa_s = ctx;
    265 	wpa_sm_aborted_cached(wpa_s->wpa);
    266 }
    267 
    268 
    269 static const char * result_str(enum eapol_supp_result result)
    270 {
    271 	switch (result) {
    272 	case EAPOL_SUPP_RESULT_FAILURE:
    273 		return "FAILURE";
    274 	case EAPOL_SUPP_RESULT_SUCCESS:
    275 		return "SUCCESS";
    276 	case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
    277 		return "EXPECTED_FAILURE";
    278 	}
    279 	return "?";
    280 }
    281 
    282 
    283 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
    284 				    enum eapol_supp_result result,
    285 				    void *ctx)
    286 {
    287 	struct wpa_supplicant *wpa_s = ctx;
    288 	int res, pmk_len;
    289 	u8 pmk[PMK_LEN_MAX];
    290 
    291 	wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
    292 		   result_str(result));
    293 
    294 	if (wpas_wps_eapol_cb(wpa_s) > 0)
    295 		return;
    296 
    297 	wpa_s->eap_expected_failure = result ==
    298 		EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
    299 
    300 	if (result != EAPOL_SUPP_RESULT_SUCCESS) {
    301 		int timeout = 2;
    302 		/*
    303 		 * Make sure we do not get stuck here waiting for long EAPOL
    304 		 * timeout if the AP does not disconnect in case of
    305 		 * authentication failure.
    306 		 */
    307 		if (wpa_s->eapol_failed) {
    308 			wpa_printf(MSG_DEBUG,
    309 				   "EAPOL authentication failed again and AP did not disconnect us");
    310 			timeout = 0;
    311 		}
    312 		wpa_s->eapol_failed = 1;
    313 		wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
    314 	} else {
    315 		wpa_s->eapol_failed = 0;
    316 		ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
    317 	}
    318 
    319 	if (result != EAPOL_SUPP_RESULT_SUCCESS ||
    320 	    !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
    321 		return;
    322 
    323 	if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
    324 		return;
    325 
    326 	wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
    327 		   "handshake");
    328 
    329 	if (wpa_key_mgmt_sha384(wpa_s->key_mgmt))
    330 		pmk_len = PMK_LEN_SUITE_B_192;
    331 	else
    332 		pmk_len = PMK_LEN;
    333 
    334 	if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
    335 #ifdef CONFIG_IEEE80211R
    336 		u8 buf[2 * PMK_LEN];
    337 		wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
    338 			   "driver-based 4-way hs and FT");
    339 		res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
    340 		if (res == 0) {
    341 			os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
    342 			os_memset(buf, 0, sizeof(buf));
    343 		}
    344 #else /* CONFIG_IEEE80211R */
    345 		res = -1;
    346 #endif /* CONFIG_IEEE80211R */
    347 	} else {
    348 		res = eapol_sm_get_key(eapol, pmk, pmk_len);
    349 		if (res) {
    350 			/*
    351 			 * EAP-LEAP is an exception from other EAP methods: it
    352 			 * uses only 16-byte PMK.
    353 			 */
    354 			res = eapol_sm_get_key(eapol, pmk, 16);
    355 			pmk_len = 16;
    356 		}
    357 	}
    358 
    359 	if (res) {
    360 		wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
    361 			   "machines");
    362 		return;
    363 	}
    364 
    365 	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
    366 			"handshake", pmk, pmk_len);
    367 
    368 	if (wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, pmk,
    369 			    pmk_len, KEY_FLAG_PMK)) {
    370 		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
    371 	}
    372 
    373 	wpa_supplicant_cancel_scan(wpa_s);
    374 	wpa_supplicant_cancel_auth_timeout(wpa_s);
    375 	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
    376 
    377 }
    378 
    379 
    380 static void wpa_supplicant_notify_eapol_done(void *ctx)
    381 {
    382 	struct wpa_supplicant *wpa_s = ctx;
    383 	wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
    384 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
    385 		wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
    386 	} else {
    387 		wpa_supplicant_cancel_auth_timeout(wpa_s);
    388 		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
    389 	}
    390 }
    391 
    392 #endif /* IEEE8021X_EAPOL */
    393 
    394 
    395 #ifndef CONFIG_NO_WPA
    396 
    397 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
    398 {
    399 	int ret = 0;
    400 	struct wpa_bss *curr = NULL, *bss;
    401 	struct wpa_ssid *ssid = wpa_s->current_ssid;
    402 	const u8 *ie;
    403 
    404 	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
    405 		if (!ether_addr_equal(bss->bssid, wpa_s->bssid))
    406 			continue;
    407 		if (ssid == NULL ||
    408 		    ((bss->ssid_len == ssid->ssid_len &&
    409 		      os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
    410 		     ssid->ssid_len == 0)) {
    411 			curr = bss;
    412 			break;
    413 		}
    414 #ifdef CONFIG_OWE
    415 		if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
    416 		    (bss->flags & WPA_BSS_OWE_TRANSITION)) {
    417 			curr = bss;
    418 			break;
    419 		}
    420 #endif /* CONFIG_OWE */
    421 	}
    422 
    423 	if (curr) {
    424 		ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
    425 		if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
    426 			ret = -1;
    427 
    428 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
    429 		if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
    430 			ret = -1;
    431 
    432 		ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
    433 		if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
    434 			ret = -1;
    435 	} else {
    436 		ret = -1;
    437 	}
    438 
    439 	return ret;
    440 }
    441 
    442 
    443 static int wpa_supplicant_get_beacon_ie(void *ctx)
    444 {
    445 	struct wpa_supplicant *wpa_s = ctx;
    446 	if (wpa_get_beacon_ie(wpa_s) == 0) {
    447 		return 0;
    448 	}
    449 
    450 	/* No WPA/RSN IE found in the cached scan results. Try to get updated
    451 	 * scan results from the driver. */
    452 	if (wpa_supplicant_update_scan_results(wpa_s, wpa_s->bssid) < 0)
    453 		return -1;
    454 
    455 	return wpa_get_beacon_ie(wpa_s);
    456 }
    457 
    458 
    459 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
    460 			     const void *data, u16 data_len,
    461 			     size_t *msg_len, void **data_pos)
    462 {
    463 	return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
    464 }
    465 
    466 
    467 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
    468 			   const u8 *buf, size_t len)
    469 {
    470 	return wpa_ether_send(wpa_s, dest, proto, buf, len);
    471 }
    472 
    473 
    474 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
    475 {
    476 	wpa_supplicant_cancel_auth_timeout(wpa_s);
    477 }
    478 
    479 
    480 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
    481 {
    482 	wpa_supplicant_set_state(wpa_s, state);
    483 }
    484 
    485 
    486 /**
    487  * wpa_supplicant_get_state - Get the connection state
    488  * @wpa_s: Pointer to wpa_supplicant data
    489  * Returns: The current connection state (WPA_*)
    490  */
    491 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
    492 {
    493 	return wpa_s->wpa_state;
    494 }
    495 
    496 
    497 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
    498 {
    499 	return wpa_supplicant_get_state(wpa_s);
    500 }
    501 
    502 
    503 static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
    504 {
    505 	wpa_supplicant_deauthenticate(wpa_s, reason_code);
    506 	/* Schedule a scan to make sure we continue looking for networks */
    507 	wpa_supplicant_req_scan(wpa_s, 5, 0);
    508 }
    509 
    510 
    511 static void _wpa_supplicant_reconnect(void *wpa_s)
    512 {
    513 	wpa_supplicant_reconnect(wpa_s);
    514 }
    515 
    516 
    517 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
    518 {
    519 	return wpa_supplicant_get_ssid(wpa_s);
    520 }
    521 
    522 
    523 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
    524 {
    525 	struct wpa_supplicant *wpa_s = ctx;
    526 	return wpa_drv_get_bssid(wpa_s, bssid);
    527 }
    528 
    529 
    530 static int wpa_supplicant_set_key(void *_wpa_s, int link_id, enum wpa_alg alg,
    531 				  const u8 *addr, int key_idx, int set_tx,
    532 				  const u8 *seq, size_t seq_len,
    533 				  const u8 *key, size_t key_len,
    534 				  enum key_flag key_flag)
    535 {
    536 	struct wpa_supplicant *wpa_s = _wpa_s;
    537 	int ret;
    538 
    539 	if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
    540 		/* Clear the MIC error counter when setting a new PTK. */
    541 		wpa_s->mic_errors_seen = 0;
    542 	}
    543 #ifdef CONFIG_TESTING_GET_GTK
    544 	if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
    545 	    alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
    546 		os_memcpy(wpa_s->last_gtk, key, key_len);
    547 		wpa_s->last_gtk_len = key_len;
    548 	}
    549 #endif /* CONFIG_TESTING_GET_GTK */
    550 #ifdef CONFIG_TESTING_OPTIONS
    551 	if (addr && !is_broadcast_ether_addr(addr) &&
    552 	    !(key_flag & KEY_FLAG_MODIFY)) {
    553 		wpa_s->last_tk_alg = alg;
    554 		os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
    555 		wpa_s->last_tk_key_idx = key_idx;
    556 		if (key)
    557 			os_memcpy(wpa_s->last_tk, key, key_len);
    558 		wpa_s->last_tk_len = key_len;
    559 	}
    560 #endif /* CONFIG_TESTING_OPTIONS */
    561 
    562 	ret = wpa_drv_set_key(wpa_s, link_id, alg, addr, key_idx, set_tx, seq,
    563 			      seq_len, key, key_len, key_flag);
    564 	if (ret == 0 && (key_idx == 6 || key_idx == 7) &&
    565 	    alg != WPA_ALG_NONE && key_len > 0)
    566 		wpa_s->bigtk_set = true;
    567 
    568 	return ret;
    569 }
    570 
    571 
    572 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
    573 					     int protection_type,
    574 					     int key_type)
    575 {
    576 	return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
    577 					  key_type);
    578 }
    579 
    580 
    581 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
    582 					      void *network_ctx)
    583 {
    584 	struct wpa_ssid *ssid;
    585 
    586 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
    587 		if (network_ctx == ssid)
    588 			return ssid;
    589 	}
    590 
    591 	return NULL;
    592 }
    593 
    594 
    595 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
    596 				    const u8 *bssid, const u8 *pmkid,
    597 				    const u8 *fils_cache_id,
    598 				    const u8 *pmk, size_t pmk_len,
    599 				    u32 pmk_lifetime, u8 pmk_reauth_threshold,
    600 				    int akmp)
    601 {
    602 	struct wpa_supplicant *wpa_s = _wpa_s;
    603 	struct wpa_ssid *ssid;
    604 	struct wpa_pmkid_params params;
    605 
    606 	os_memset(&params, 0, sizeof(params));
    607 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
    608 	if (ssid) {
    609 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
    610 			MAC2STR(bssid), ssid->id);
    611 		if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
    612 		     akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
    613 		    !ssid->ft_eap_pmksa_caching) {
    614 			/* Since we will not be using PMKSA caching for FT-EAP
    615 			 * within wpa_supplicant to avoid known interop issues
    616 			 * with APs, do not add this PMKID to the driver either
    617 			 * so that we won't be hitting those interop issues
    618 			 * with driver-based RSNE generation. */
    619 			wpa_printf(MSG_DEBUG,
    620 				   "FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
    621 			return 0;
    622 		}
    623 	}
    624 	if (ssid && fils_cache_id) {
    625 		params.ssid = ssid->ssid;
    626 		params.ssid_len = ssid->ssid_len;
    627 		params.fils_cache_id = fils_cache_id;
    628 	} else {
    629 		params.bssid = bssid;
    630 	}
    631 
    632 	params.pmkid = pmkid;
    633 	params.pmk = pmk;
    634 	params.pmk_len = pmk_len;
    635 	params.pmk_lifetime = pmk_lifetime;
    636 	params.pmk_reauth_threshold = pmk_reauth_threshold;
    637 
    638 	return wpa_drv_add_pmkid(wpa_s, &params);
    639 }
    640 
    641 
    642 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
    643 				       const u8 *bssid, const u8 *pmkid,
    644 				       const u8 *fils_cache_id)
    645 {
    646 	struct wpa_supplicant *wpa_s = _wpa_s;
    647 	struct wpa_ssid *ssid;
    648 	struct wpa_pmkid_params params;
    649 
    650 	os_memset(&params, 0, sizeof(params));
    651 	ssid = wpas_get_network_ctx(wpa_s, network_ctx);
    652 	if (ssid)
    653 		wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
    654 			MAC2STR(bssid), ssid->id);
    655 	if (ssid && fils_cache_id) {
    656 		params.ssid = ssid->ssid;
    657 		params.ssid_len = ssid->ssid_len;
    658 		params.fils_cache_id = fils_cache_id;
    659 	} else {
    660 		params.bssid = bssid;
    661 	}
    662 
    663 	params.pmkid = pmkid;
    664 
    665 	return wpa_drv_remove_pmkid(wpa_s, &params);
    666 }
    667 
    668 
    669 #ifdef CONFIG_IEEE80211R
    670 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
    671 					const u8 *ies, size_t ies_len)
    672 {
    673 	struct wpa_supplicant *wpa_s = ctx;
    674 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
    675 		return sme_update_ft_ies(wpa_s, md, ies, ies_len);
    676 	return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
    677 }
    678 
    679 
    680 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
    681 					 const u8 *target_ap,
    682 					 const u8 *ies, size_t ies_len)
    683 {
    684 	struct wpa_supplicant *wpa_s = ctx;
    685 	int ret;
    686 	u8 *data, *pos;
    687 	size_t data_len;
    688 
    689 	if (action != 1) {
    690 		wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
    691 			   action);
    692 		return -1;
    693 	}
    694 
    695 	/*
    696 	 * Action frame payload:
    697 	 * Category[1] = 6 (Fast BSS Transition)
    698 	 * Action[1] = 1 (Fast BSS Transition Request)
    699 	 * STA Address
    700 	 * Target AP Address
    701 	 * FT IEs
    702 	 */
    703 
    704 	data_len = 2 + 2 * ETH_ALEN + ies_len;
    705 	data = os_malloc(data_len);
    706 	if (data == NULL)
    707 		return -1;
    708 	pos = data;
    709 	*pos++ = 0x06; /* FT Action category */
    710 	*pos++ = action;
    711 	os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
    712 	pos += ETH_ALEN;
    713 	os_memcpy(pos, target_ap, ETH_ALEN);
    714 	pos += ETH_ALEN;
    715 	os_memcpy(pos, ies, ies_len);
    716 
    717 	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
    718 				  wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
    719 				  data, data_len, 0);
    720 	os_free(data);
    721 
    722 	return ret;
    723 }
    724 
    725 
    726 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
    727 {
    728 	struct wpa_supplicant *wpa_s = ctx;
    729 	struct wpa_driver_auth_params params;
    730 	struct wpa_bss *bss;
    731 
    732 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
    733 	if (bss == NULL)
    734 		return -1;
    735 
    736 	os_memset(&params, 0, sizeof(params));
    737 	params.bssid = target_ap;
    738 	params.freq = bss->freq;
    739 	params.ssid = bss->ssid;
    740 	params.ssid_len = bss->ssid_len;
    741 	params.auth_alg = WPA_AUTH_ALG_FT;
    742 	params.local_state_change = 1;
    743 	return wpa_drv_authenticate(wpa_s, &params);
    744 }
    745 #endif /* CONFIG_IEEE80211R */
    746 
    747 
    748 #ifdef CONFIG_TDLS
    749 
    750 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
    751 					int *tdls_ext_setup,
    752 					int *tdls_chan_switch)
    753 {
    754 	struct wpa_supplicant *wpa_s = ctx;
    755 
    756 	*tdls_supported = 0;
    757 	*tdls_ext_setup = 0;
    758 	*tdls_chan_switch = 0;
    759 
    760 	if (!wpa_s->drv_capa_known)
    761 		return -1;
    762 
    763 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
    764 		*tdls_supported = 1;
    765 
    766 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
    767 		*tdls_ext_setup = 1;
    768 
    769 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
    770 		*tdls_chan_switch = 1;
    771 
    772 	return 0;
    773 }
    774 
    775 
    776 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
    777 					 u8 action_code, u8 dialog_token,
    778 					 u16 status_code, u32 peer_capab,
    779 					 int initiator, const u8 *buf,
    780 					 size_t len, int link_id)
    781 {
    782 	struct wpa_supplicant *wpa_s = ctx;
    783 	return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
    784 				      status_code, peer_capab, initiator, buf,
    785 				      len, link_id);
    786 }
    787 
    788 
    789 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
    790 {
    791 	struct wpa_supplicant *wpa_s = ctx;
    792 	return wpa_drv_tdls_oper(wpa_s, oper, peer);
    793 }
    794 
    795 
    796 static int wpa_supplicant_tdls_peer_addset(
    797 	void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
    798 	const u8 *supp_rates, size_t supp_rates_len,
    799 	const struct ieee80211_ht_capabilities *ht_capab,
    800 	const struct ieee80211_vht_capabilities *vht_capab,
    801 	const struct ieee80211_he_capabilities *he_capab,
    802 	size_t he_capab_len,
    803 	const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab,
    804 	u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
    805 	const u8 *supp_channels, size_t supp_channels_len,
    806 	const u8 *supp_oper_classes, size_t supp_oper_classes_len,
    807 	const struct ieee80211_eht_capabilities *eht_capab,
    808 	size_t eht_capab_len, int mld_link_id)
    809 {
    810 	struct wpa_supplicant *wpa_s = ctx;
    811 	struct hostapd_sta_add_params params;
    812 
    813 	os_memset(&params, 0, sizeof(params));
    814 
    815 	params.addr = peer;
    816 	params.aid = aid;
    817 	params.capability = capability;
    818 	params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
    819 
    820 	/*
    821 	 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
    822 	 * present. Allow the WMM IE to also indicate QoS support.
    823 	 */
    824 	if (wmm || qosinfo)
    825 		params.flags |= WPA_STA_WMM;
    826 
    827 	params.ht_capabilities = ht_capab;
    828 	params.vht_capabilities = vht_capab;
    829 	params.he_capab = he_capab;
    830 	params.he_capab_len = he_capab_len;
    831 	params.he_6ghz_capab = he_6ghz_he_capab;
    832 	params.qosinfo = qosinfo;
    833 	params.listen_interval = 0;
    834 	params.supp_rates = supp_rates;
    835 	params.supp_rates_len = supp_rates_len;
    836 	params.set = !add;
    837 	params.ext_capab = ext_capab;
    838 	params.ext_capab_len = ext_capab_len;
    839 	params.supp_channels = supp_channels;
    840 	params.supp_channels_len = supp_channels_len;
    841 	params.supp_oper_classes = supp_oper_classes;
    842 	params.supp_oper_classes_len = supp_oper_classes_len;
    843 	params.eht_capab = eht_capab;
    844 	params.eht_capab_len = eht_capab_len;
    845 	params.mld_link_id = mld_link_id;
    846 
    847 	return wpa_drv_sta_add(wpa_s, &params);
    848 }
    849 
    850 
    851 static int wpa_supplicant_tdls_enable_channel_switch(
    852 	void *ctx, const u8 *addr, u8 oper_class,
    853 	const struct hostapd_freq_params *params)
    854 {
    855 	struct wpa_supplicant *wpa_s = ctx;
    856 
    857 	return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
    858 						  params);
    859 }
    860 
    861 
    862 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
    863 {
    864 	struct wpa_supplicant *wpa_s = ctx;
    865 
    866 	return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
    867 }
    868 
    869 #endif /* CONFIG_TDLS */
    870 
    871 #endif /* CONFIG_NO_WPA */
    872 
    873 
    874 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
    875 {
    876 	if (os_strcmp(field, "IDENTITY") == 0)
    877 		return WPA_CTRL_REQ_EAP_IDENTITY;
    878 	else if (os_strcmp(field, "PASSWORD") == 0)
    879 		return WPA_CTRL_REQ_EAP_PASSWORD;
    880 	else if (os_strcmp(field, "NEW_PASSWORD") == 0)
    881 		return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
    882 	else if (os_strcmp(field, "PIN") == 0)
    883 		return WPA_CTRL_REQ_EAP_PIN;
    884 	else if (os_strcmp(field, "OTP") == 0)
    885 		return WPA_CTRL_REQ_EAP_OTP;
    886 	else if (os_strcmp(field, "PASSPHRASE") == 0)
    887 		return WPA_CTRL_REQ_EAP_PASSPHRASE;
    888 	else if (os_strcmp(field, "SIM") == 0)
    889 		return WPA_CTRL_REQ_SIM;
    890 	else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
    891 		return WPA_CTRL_REQ_PSK_PASSPHRASE;
    892 	else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
    893 		return WPA_CTRL_REQ_EXT_CERT_CHECK;
    894 	return WPA_CTRL_REQ_UNKNOWN;
    895 }
    896 
    897 
    898 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
    899 					       const char *default_txt,
    900 					       const char **txt)
    901 {
    902 	const char *ret = NULL;
    903 
    904 	*txt = default_txt;
    905 
    906 	switch (field) {
    907 	case WPA_CTRL_REQ_EAP_IDENTITY:
    908 		*txt = "Identity";
    909 		ret = "IDENTITY";
    910 		break;
    911 	case WPA_CTRL_REQ_EAP_PASSWORD:
    912 		*txt = "Password";
    913 		ret = "PASSWORD";
    914 		break;
    915 	case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
    916 		*txt = "New Password";
    917 		ret = "NEW_PASSWORD";
    918 		break;
    919 	case WPA_CTRL_REQ_EAP_PIN:
    920 		*txt = "PIN";
    921 		ret = "PIN";
    922 		break;
    923 	case WPA_CTRL_REQ_EAP_OTP:
    924 		ret = "OTP";
    925 		break;
    926 	case WPA_CTRL_REQ_EAP_PASSPHRASE:
    927 		*txt = "Private key passphrase";
    928 		ret = "PASSPHRASE";
    929 		break;
    930 	case WPA_CTRL_REQ_SIM:
    931 		ret = "SIM";
    932 		break;
    933 	case WPA_CTRL_REQ_PSK_PASSPHRASE:
    934 		*txt = "PSK or passphrase";
    935 		ret = "PSK_PASSPHRASE";
    936 		break;
    937 	case WPA_CTRL_REQ_EXT_CERT_CHECK:
    938 		*txt = "External server certificate validation";
    939 		ret = "EXT_CERT_CHECK";
    940 		break;
    941 	default:
    942 		break;
    943 	}
    944 
    945 	/* txt needs to be something */
    946 	if (*txt == NULL) {
    947 		wpa_printf(MSG_WARNING, "No message for request %d", field);
    948 		ret = NULL;
    949 	}
    950 
    951 	return ret;
    952 }
    953 
    954 
    955 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    956 			const char *field_name, const char *txt)
    957 {
    958 	wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s-%d:%s needed for SSID %s",
    959 		field_name, ssid->id, txt,
    960 		wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
    961 }
    962 
    963 
    964 #ifdef IEEE8021X_EAPOL
    965 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
    966 static void wpa_supplicant_eap_param_needed(void *ctx,
    967 					    enum wpa_ctrl_req_type field,
    968 					    const char *default_txt)
    969 {
    970 	struct wpa_supplicant *wpa_s = ctx;
    971 	struct wpa_ssid *ssid = wpa_s->current_ssid;
    972 	const char *field_name, *txt = NULL;
    973 
    974 	if (ssid == NULL)
    975 		return;
    976 
    977 	if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
    978 		ssid->eap.pending_ext_cert_check = PENDING_CHECK;
    979 	wpas_notify_network_request(wpa_s, ssid, field, default_txt);
    980 
    981 	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
    982 						       &txt);
    983 	if (field_name == NULL) {
    984 		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
    985 			   field);
    986 		return;
    987 	}
    988 
    989 	wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
    990 
    991 	wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
    992 }
    993 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
    994 #define wpa_supplicant_eap_param_needed NULL
    995 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
    996 
    997 
    998 #ifdef CONFIG_EAP_PROXY
    999 
   1000 static void wpa_supplicant_eap_proxy_cb(void *ctx)
   1001 {
   1002 	struct wpa_supplicant *wpa_s = ctx;
   1003 	size_t len;
   1004 
   1005 	wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
   1006 						     wpa_s->imsi, &len);
   1007 	if (wpa_s->mnc_len > 0) {
   1008 		wpa_s->imsi[len] = '\0';
   1009 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
   1010 			   wpa_s->imsi, wpa_s->mnc_len);
   1011 	} else {
   1012 		wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
   1013 	}
   1014 }
   1015 
   1016 
   1017 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
   1018 {
   1019 	int i;
   1020 	struct wpa_ssid *ssid;
   1021 	const struct eap_method_type *eap_methods;
   1022 
   1023 	if (!wpa_s->conf)
   1024 		return;
   1025 
   1026 	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)	{
   1027 		eap_methods = ssid->eap.eap_methods;
   1028 		if (!eap_methods)
   1029 			continue;
   1030 
   1031 		for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
   1032 			if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
   1033 			    (eap_methods[i].method == EAP_TYPE_SIM ||
   1034 			     eap_methods[i].method == EAP_TYPE_AKA ||
   1035 			     eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
   1036 				wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
   1037 				break;
   1038 			}
   1039 		}
   1040 	}
   1041 }
   1042 
   1043 
   1044 static void
   1045 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
   1046 					   enum eap_proxy_sim_state sim_state)
   1047 {
   1048 	struct wpa_supplicant *wpa_s = ctx;
   1049 
   1050 	wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
   1051 	switch (sim_state) {
   1052 	case SIM_STATE_ERROR:
   1053 		wpa_sm_sim_state_error_handler(wpa_s);
   1054 		break;
   1055 	default:
   1056 		wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
   1057 		break;
   1058 	}
   1059 }
   1060 
   1061 #endif /* CONFIG_EAP_PROXY */
   1062 
   1063 
   1064 static void wpa_supplicant_port_cb(void *ctx, int authorized)
   1065 {
   1066 	struct wpa_supplicant *wpa_s = ctx;
   1067 #ifdef CONFIG_AP
   1068 	if (wpa_s->ap_iface) {
   1069 		wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
   1070 			   "port status: %s",
   1071 			   authorized ? "Authorized" : "Unauthorized");
   1072 		return;
   1073 	}
   1074 #endif /* CONFIG_AP */
   1075 	wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
   1076 		   authorized ? "Authorized" : "Unauthorized");
   1077 	wpa_drv_set_supp_port(wpa_s, authorized);
   1078 }
   1079 
   1080 
   1081 static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
   1082 				   const char *cert_hash)
   1083 {
   1084 	struct wpa_supplicant *wpa_s = ctx;
   1085 
   1086 	wpas_notify_certification(wpa_s, cert, cert_hash);
   1087 }
   1088 
   1089 
   1090 static void wpa_supplicant_status_cb(void *ctx, const char *status,
   1091 				     const char *parameter)
   1092 {
   1093 	struct wpa_supplicant *wpa_s = ctx;
   1094 
   1095 	wpas_notify_eap_status(wpa_s, status, parameter);
   1096 }
   1097 
   1098 
   1099 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
   1100 {
   1101 	struct wpa_supplicant *wpa_s = ctx;
   1102 
   1103 	wpas_notify_eap_error(wpa_s, error_code);
   1104 }
   1105 
   1106 
   1107 static int wpa_supplicant_eap_auth_start_cb(void *ctx)
   1108 {
   1109 	struct wpa_supplicant *wpa_s = ctx;
   1110 
   1111 	if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
   1112 	    !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
   1113 		wpa_msg(wpa_s, MSG_INFO,
   1114 			"WPA: PTK0 rekey not allowed, reconnecting");
   1115 		wpa_supplicant_reconnect(wpa_s);
   1116 		return -1;
   1117 	}
   1118 	return 0;
   1119 }
   1120 
   1121 
   1122 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
   1123 {
   1124 	struct wpa_supplicant *wpa_s = ctx;
   1125 	char *str;
   1126 	int res;
   1127 
   1128 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
   1129 			  id, len);
   1130 
   1131 	if (wpa_s->current_ssid == NULL)
   1132 		return;
   1133 
   1134 	if (id == NULL) {
   1135 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
   1136 				   "NULL", 0) < 0)
   1137 			return;
   1138 	} else {
   1139 		str = os_malloc(len * 2 + 1);
   1140 		if (str == NULL)
   1141 			return;
   1142 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
   1143 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
   1144 				     str, 0);
   1145 		os_free(str);
   1146 		if (res < 0)
   1147 			return;
   1148 	}
   1149 
   1150 	if (wpa_s->conf->update_config) {
   1151 		res = wpa_config_write(wpa_s->confname, wpa_s->conf);
   1152 		if (res) {
   1153 			wpa_printf(MSG_DEBUG, "Failed to update config after "
   1154 				   "anonymous_id update");
   1155 		}
   1156 	}
   1157 }
   1158 
   1159 
   1160 static bool wpas_encryption_required(void *ctx)
   1161 {
   1162 	struct wpa_supplicant *wpa_s = ctx;
   1163 
   1164 	return wpa_s->wpa &&
   1165 		wpa_sm_has_ptk_installed(wpa_s->wpa) &&
   1166 		wpa_sm_pmf_enabled(wpa_s->wpa);
   1167 }
   1168 
   1169 #endif /* IEEE8021X_EAPOL */
   1170 
   1171 
   1172 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
   1173 {
   1174 #ifdef IEEE8021X_EAPOL
   1175 	struct eapol_ctx *ctx;
   1176 	ctx = os_zalloc(sizeof(*ctx));
   1177 	if (ctx == NULL) {
   1178 		wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
   1179 		return -1;
   1180 	}
   1181 
   1182 	ctx->ctx = wpa_s;
   1183 	ctx->msg_ctx = wpa_s;
   1184 	ctx->eapol_send_ctx = wpa_s;
   1185 	ctx->preauth = 0;
   1186 	ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
   1187 	ctx->eapol_send = wpa_supplicant_eapol_send;
   1188 #ifdef CONFIG_WEP
   1189 	ctx->set_wep_key = wpa_eapol_set_wep_key;
   1190 #endif /* CONFIG_WEP */
   1191 #ifndef CONFIG_NO_CONFIG_BLOBS
   1192 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
   1193 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
   1194 #endif /* CONFIG_NO_CONFIG_BLOBS */
   1195 	ctx->aborted_cached = wpa_supplicant_aborted_cached;
   1196 #ifndef CONFIG_OPENSC_ENGINE_PATH
   1197 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
   1198 #endif /* CONFIG_OPENSC_ENGINE_PATH */
   1199 #ifndef CONFIG_PKCS11_ENGINE_PATH
   1200 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
   1201 #endif /* CONFIG_PKCS11_ENGINE_PATH */
   1202 #ifndef CONFIG_PKCS11_MODULE_PATH
   1203 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
   1204 #endif /* CONFIG_PKCS11_MODULE_PATH */
   1205 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
   1206 	ctx->wps = wpa_s->wps;
   1207 	ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
   1208 #ifdef CONFIG_EAP_PROXY
   1209 	ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
   1210 	ctx->eap_proxy_notify_sim_status =
   1211 		wpa_supplicant_eap_proxy_notify_sim_status;
   1212 #endif /* CONFIG_EAP_PROXY */
   1213 	ctx->port_cb = wpa_supplicant_port_cb;
   1214 	ctx->cb = wpa_supplicant_eapol_cb;
   1215 	ctx->cert_cb = wpa_supplicant_cert_cb;
   1216 	ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
   1217 	ctx->status_cb = wpa_supplicant_status_cb;
   1218 	ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
   1219 	ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
   1220 	ctx->set_anon_id = wpa_supplicant_set_anon_id;
   1221 	ctx->encryption_required = wpas_encryption_required;
   1222 	ctx->cb_ctx = wpa_s;
   1223 	wpa_s->eapol = eapol_sm_init(ctx);
   1224 	if (wpa_s->eapol == NULL) {
   1225 		os_free(ctx);
   1226 		wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
   1227 			   "machines.");
   1228 		return -1;
   1229 	}
   1230 #endif /* IEEE8021X_EAPOL */
   1231 
   1232 	return 0;
   1233 }
   1234 
   1235 
   1236 #ifndef CONFIG_NO_WPA
   1237 
   1238 static void wpa_supplicant_set_rekey_offload(void *ctx,
   1239 					     const u8 *kek, size_t kek_len,
   1240 					     const u8 *kck, size_t kck_len,
   1241 					     const u8 *replay_ctr)
   1242 {
   1243 	struct wpa_supplicant *wpa_s = ctx;
   1244 
   1245 	wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
   1246 }
   1247 
   1248 
   1249 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
   1250 					   size_t pmk_len)
   1251 {
   1252 	struct wpa_supplicant *wpa_s = ctx;
   1253 
   1254 	if (wpa_s->conf->key_mgmt_offload &&
   1255 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
   1256 		return wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0,
   1257 				       NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
   1258 	else
   1259 		return 0;
   1260 }
   1261 
   1262 
   1263 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
   1264 				       const u8 *pkt, size_t pkt_len)
   1265 {
   1266 	struct wpa_supplicant *wpa_s = ctx;
   1267 	char *hex;
   1268 	size_t hexlen;
   1269 
   1270 	hexlen = pkt_len * 2 + 1;
   1271 	hex = os_malloc(hexlen);
   1272 	if (!hex)
   1273 		return;
   1274 	wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
   1275 	wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
   1276 		" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
   1277 	os_free(hex);
   1278 }
   1279 
   1280 
   1281 static int wpa_supplicant_channel_info(void *_wpa_s,
   1282 				       struct wpa_channel_info *ci)
   1283 {
   1284 	struct wpa_supplicant *wpa_s = _wpa_s;
   1285 
   1286 	return wpa_drv_channel_info(wpa_s, ci);
   1287 }
   1288 
   1289 
   1290 static void disable_wpa_wpa2(struct wpa_ssid *ssid)
   1291 {
   1292 	ssid->proto &= ~WPA_PROTO_WPA;
   1293 	ssid->proto |= WPA_PROTO_RSN;
   1294 	ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
   1295 			    WPA_KEY_MGMT_PSK_SHA256);
   1296 	ssid->group_cipher &= ~WPA_CIPHER_TKIP;
   1297 	if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
   1298 				    WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
   1299 		ssid->group_cipher |= WPA_CIPHER_CCMP;
   1300 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
   1301 }
   1302 
   1303 
   1304 void wpas_transition_disable(struct wpa_supplicant *wpa_s, u8 bitmap)
   1305 {
   1306 	struct wpa_ssid *ssid;
   1307 	int changed = 0;
   1308 
   1309 	wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
   1310 
   1311 	ssid = wpa_s->current_ssid;
   1312 	if (!ssid)
   1313 		return;
   1314 
   1315 #ifdef CONFIG_SAE
   1316 	if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
   1317 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
   1318 	    wpa_key_mgmt_sae(ssid->key_mgmt) &&
   1319 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
   1320 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
   1321 		wpa_printf(MSG_DEBUG,
   1322 			   "WPA3-Personal transition mode disabled based on AP notification");
   1323 		disable_wpa_wpa2(ssid);
   1324 		changed = 1;
   1325 	}
   1326 
   1327 	if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
   1328 	    wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
   1329 #ifdef CONFIG_SME
   1330 	    wpa_s->sme.sae.state == SAE_ACCEPTED &&
   1331 	    wpa_s->sme.sae.pk &&
   1332 #endif /* CONFIG_SME */
   1333 	    wpa_key_mgmt_sae(ssid->key_mgmt) &&
   1334 	    (ssid->sae_pk != SAE_PK_MODE_ONLY ||
   1335 	     ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
   1336 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
   1337 		wpa_printf(MSG_DEBUG,
   1338 			   "SAE-PK: SAE authentication without PK disabled based on AP notification");
   1339 		disable_wpa_wpa2(ssid);
   1340 		ssid->sae_pk = SAE_PK_MODE_ONLY;
   1341 		changed = 1;
   1342 	}
   1343 #endif /* CONFIG_SAE */
   1344 
   1345 	if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
   1346 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
   1347 	    (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
   1348 			       WPA_KEY_MGMT_FT_IEEE8021X |
   1349 			       WPA_KEY_MGMT_IEEE8021X_SHA256 |
   1350 			       WPA_KEY_MGMT_IEEE8021X_SHA384)) &&
   1351 	    (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
   1352 	     (ssid->group_cipher & WPA_CIPHER_TKIP))) {
   1353 		disable_wpa_wpa2(ssid);
   1354 		changed = 1;
   1355 	}
   1356 
   1357 	if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
   1358 	    wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
   1359 	    (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
   1360 	    !ssid->owe_only) {
   1361 		ssid->owe_only = 1;
   1362 		changed = 1;
   1363 	}
   1364 
   1365 	if (!changed)
   1366 		return;
   1367 
   1368 #ifndef CONFIG_NO_CONFIG_WRITE
   1369 	if (wpa_s->conf->update_config &&
   1370 	    wpa_config_write(wpa_s->confname, wpa_s->conf))
   1371 		wpa_printf(MSG_DEBUG, "Failed to update configuration");
   1372 #endif /* CONFIG_NO_CONFIG_WRITE */
   1373 }
   1374 
   1375 
   1376 static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
   1377 {
   1378 	struct wpa_supplicant *wpa_s = _wpa_s;
   1379 	wpas_transition_disable(wpa_s, bitmap);
   1380 }
   1381 
   1382 
   1383 static void wpa_supplicant_store_ptk(void *ctx, const u8 *addr, int cipher,
   1384 				     u32 life_time, const struct wpa_ptk *ptk)
   1385 {
   1386 	struct wpa_supplicant *wpa_s = ctx;
   1387 
   1388 	ptksa_cache_add(wpa_s->ptksa, wpa_s->own_addr, addr, cipher, life_time,
   1389 			ptk, NULL, NULL, 0);
   1390 }
   1391 
   1392 #endif /* CONFIG_NO_WPA */
   1393 
   1394 
   1395 #ifdef CONFIG_PASN
   1396 static int wpa_supplicant_set_ltf_keyseed(void *_wpa_s, const u8 *own_addr,
   1397 					  const u8 *peer_addr,
   1398 					  size_t ltf_keyseed_len,
   1399 					  const u8 *ltf_keyseed)
   1400 {
   1401 	struct wpa_supplicant *wpa_s = _wpa_s;
   1402 
   1403 	return wpa_drv_set_secure_ranging_ctx(wpa_s, own_addr, peer_addr, 0, 0,
   1404 					      NULL, ltf_keyseed_len,
   1405 					      ltf_keyseed, 0);
   1406 }
   1407 #endif /* CONFIG_PASN */
   1408 
   1409 
   1410 static void
   1411 wpa_supplicant_notify_pmksa_cache_entry(void *_wpa_s,
   1412 					struct rsn_pmksa_cache_entry *entry)
   1413 {
   1414 	struct wpa_supplicant *wpa_s = _wpa_s;
   1415 
   1416 	wpas_notify_pmk_cache_added(wpa_s, entry);
   1417 }
   1418 
   1419 
   1420 static void wpa_supplicant_ssid_verified(void *_wpa_s)
   1421 {
   1422 	struct wpa_supplicant *wpa_s = _wpa_s;
   1423 
   1424 	wpa_s->ssid_verified = true;
   1425 	wpa_msg(wpa_s, MSG_INFO, "RSN: SSID matched expected value");
   1426 }
   1427 
   1428 
   1429 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
   1430 {
   1431 #ifndef CONFIG_NO_WPA
   1432 	struct wpa_sm_ctx *ctx;
   1433 
   1434 	wpa_s->ptksa = ptksa_cache_init();
   1435 	if (!wpa_s->ptksa) {
   1436 		wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
   1437 		return -1;
   1438 	}
   1439 
   1440 	ctx = os_zalloc(sizeof(*ctx));
   1441 	if (ctx == NULL) {
   1442 		wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
   1443 
   1444 		ptksa_cache_deinit(wpa_s->ptksa);
   1445 		wpa_s->ptksa = NULL;
   1446 
   1447 		return -1;
   1448 	}
   1449 
   1450 	ctx->ctx = wpa_s;
   1451 	ctx->msg_ctx = wpa_s;
   1452 	ctx->set_state = _wpa_supplicant_set_state;
   1453 	ctx->get_state = _wpa_supplicant_get_state;
   1454 	ctx->deauthenticate = _wpa_supplicant_deauthenticate;
   1455 	ctx->reconnect = _wpa_supplicant_reconnect;
   1456 	ctx->set_key = wpa_supplicant_set_key;
   1457 	ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
   1458 	ctx->get_bssid = wpa_supplicant_get_bssid;
   1459 	ctx->ether_send = _wpa_ether_send;
   1460 	ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
   1461 	ctx->alloc_eapol = _wpa_alloc_eapol;
   1462 	ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
   1463 	ctx->add_pmkid = wpa_supplicant_add_pmkid;
   1464 	ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
   1465 #ifndef CONFIG_NO_CONFIG_BLOBS
   1466 	ctx->set_config_blob = wpa_supplicant_set_config_blob;
   1467 	ctx->get_config_blob = wpa_supplicant_get_config_blob;
   1468 #endif /* CONFIG_NO_CONFIG_BLOBS */
   1469 	ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
   1470 #ifdef CONFIG_IEEE80211R
   1471 	ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
   1472 	ctx->send_ft_action = wpa_supplicant_send_ft_action;
   1473 	ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
   1474 #endif /* CONFIG_IEEE80211R */
   1475 #ifdef CONFIG_TDLS
   1476 	ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
   1477 	ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
   1478 	ctx->tdls_oper = wpa_supplicant_tdls_oper;
   1479 	ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
   1480 	ctx->tdls_enable_channel_switch =
   1481 		wpa_supplicant_tdls_enable_channel_switch;
   1482 	ctx->tdls_disable_channel_switch =
   1483 		wpa_supplicant_tdls_disable_channel_switch;
   1484 #endif /* CONFIG_TDLS */
   1485 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
   1486 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
   1487 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
   1488 	ctx->channel_info = wpa_supplicant_channel_info;
   1489 	ctx->transition_disable = wpa_supplicant_transition_disable;
   1490 	ctx->store_ptk = wpa_supplicant_store_ptk;
   1491 #ifdef CONFIG_PASN
   1492 	ctx->set_ltf_keyseed = wpa_supplicant_set_ltf_keyseed;
   1493 #endif /* CONFIG_PASN */
   1494 	ctx->notify_pmksa_cache_entry = wpa_supplicant_notify_pmksa_cache_entry;
   1495 	ctx->ssid_verified = wpa_supplicant_ssid_verified;
   1496 
   1497 	wpa_s->wpa = wpa_sm_init(ctx);
   1498 	if (wpa_s->wpa == NULL) {
   1499 		wpa_printf(MSG_ERROR,
   1500 			   "Failed to initialize WPA state machine");
   1501 		os_free(ctx);
   1502 		ptksa_cache_deinit(wpa_s->ptksa);
   1503 		wpa_s->ptksa = NULL;
   1504 		return -1;
   1505 	}
   1506 #endif /* CONFIG_NO_WPA */
   1507 
   1508 	return 0;
   1509 }
   1510 
   1511 
   1512 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
   1513 					struct wpa_ssid *ssid)
   1514 {
   1515 	struct rsn_supp_config conf;
   1516 	if (ssid) {
   1517 		os_memset(&conf, 0, sizeof(conf));
   1518 		conf.network_ctx = ssid;
   1519 		conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
   1520 #ifdef IEEE8021X_EAPOL
   1521 		conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
   1522 			wpa_s->conf->okc : ssid->proactive_key_caching;
   1523 		conf.eap_workaround = ssid->eap_workaround;
   1524 		conf.eap_conf_ctx = &ssid->eap;
   1525 #endif /* IEEE8021X_EAPOL */
   1526 		conf.ssid = ssid->ssid;
   1527 		conf.ssid_len = ssid->ssid_len;
   1528 		conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
   1529 		conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
   1530 		conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
   1531 #ifdef CONFIG_P2P
   1532 		if (ssid->p2p_group && wpa_s->current_bss &&
   1533 		    !wpa_s->p2p_disable_ip_addr_req) {
   1534 			struct wpabuf *p2p;
   1535 			p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
   1536 							  P2P_IE_VENDOR_TYPE);
   1537 			if (p2p) {
   1538 				u8 group_capab;
   1539 				group_capab = p2p_get_group_capab(p2p);
   1540 				if (group_capab &
   1541 				    P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
   1542 					conf.p2p = 1;
   1543 				wpabuf_free(p2p);
   1544 			}
   1545 		}
   1546 #endif /* CONFIG_P2P */
   1547 		conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
   1548 #ifdef CONFIG_FILS
   1549 		if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
   1550 			conf.fils_cache_id =
   1551 				wpa_bss_get_fils_cache_id(wpa_s->current_bss);
   1552 #endif /* CONFIG_FILS */
   1553 		if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION) ||
   1554 		    (wpa_s->drv_flags2 &
   1555 		     WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT))
   1556 			conf.beacon_prot = ssid->beacon_prot;
   1557 
   1558 #ifdef CONFIG_PASN
   1559 #ifdef CONFIG_TESTING_OPTIONS
   1560 		conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
   1561 #endif /* CONFIG_TESTING_OPTIONS */
   1562 #endif /* CONFIG_PASN */
   1563 	}
   1564 	wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
   1565 }
   1566