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[thirdparty/hostap.git] / wpa_supplicant / wpas_glue.c
1 /*
2 * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 * Copyright (c) 2003-2015, Jouni Malinen <j@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->drv_flags & WPA_DRIVER_FLAGS_CONTROL_PORT) {
116 int encrypt = wpa_s->wpa &&
117 wpa_sm_has_ptk_installed(wpa_s->wpa);
118
119 return wpa_drv_tx_control_port(wpa_s, dest, proto, buf, len,
120 !encrypt);
121 }
122
123 if (wpa_s->l2) {
124 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
125 }
126
127 return -1;
128 }
129 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
130
131
132 #ifdef IEEE8021X_EAPOL
133
134 /**
135 * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
136 * @ctx: Pointer to wpa_supplicant data (wpa_s)
137 * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
138 * @buf: EAPOL payload (after IEEE 802.1X header)
139 * @len: EAPOL payload length
140 * Returns: >=0 on success, <0 on failure
141 *
142 * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
143 * to the current Authenticator.
144 */
145 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
146 size_t len)
147 {
148 struct wpa_supplicant *wpa_s = ctx;
149 u8 *msg, *dst, bssid[ETH_ALEN];
150 size_t msglen;
151 int res;
152
153 /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
154 * extra copy here */
155
156 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
157 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
158 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
159 wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
160 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
161 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
162 * machines. */
163 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
164 "mode (type=%d len=%lu)", type,
165 (unsigned long) len);
166 return -1;
167 }
168
169 if (pmksa_cache_get_current(wpa_s->wpa) &&
170 type == IEEE802_1X_TYPE_EAPOL_START) {
171 /*
172 * We were trying to use PMKSA caching and sending EAPOL-Start
173 * would abort that and trigger full EAPOL authentication.
174 * However, we've already waited for the AP/Authenticator to
175 * start 4-way handshake or EAP authentication, and apparently
176 * it has not done so since the startWhen timer has reached zero
177 * to get the state machine sending EAPOL-Start. This is not
178 * really supposed to happen, but an interoperability issue with
179 * a deployed AP has been identified where the connection fails
180 * due to that AP failing to operate correctly if PMKID is
181 * included in the Association Request frame. To work around
182 * this, assume PMKSA caching failed and try to initiate full
183 * EAP authentication.
184 */
185 if (!wpa_s->current_ssid ||
186 wpa_s->current_ssid->eap_workaround) {
187 wpa_printf(MSG_DEBUG,
188 "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");
189 } else {
190 wpa_printf(MSG_DEBUG,
191 "RSN: PMKSA caching - do not send EAPOL-Start");
192 return -1;
193 }
194 }
195
196 if (is_zero_ether_addr(wpa_s->bssid)) {
197 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
198 "EAPOL frame");
199 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
200 !is_zero_ether_addr(bssid)) {
201 dst = bssid;
202 wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
203 " from the driver as the EAPOL destination",
204 MAC2STR(dst));
205 } else {
206 dst = wpa_s->last_eapol_src;
207 wpa_printf(MSG_DEBUG, "Using the source address of the"
208 " last received EAPOL frame " MACSTR " as "
209 "the EAPOL destination",
210 MAC2STR(dst));
211 }
212 } else {
213 /* BSSID was already set (from (Re)Assoc event, so use it as
214 * the EAPOL destination. */
215 dst = wpa_s->bssid;
216 }
217
218 msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
219 if (msg == NULL)
220 return -1;
221
222 wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
223 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
224 res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
225 os_free(msg);
226 return res;
227 }
228
229
230 #ifdef CONFIG_WEP
231 /**
232 * wpa_eapol_set_wep_key - set WEP key for the driver
233 * @ctx: Pointer to wpa_supplicant data (wpa_s)
234 * @unicast: 1 = individual unicast key, 0 = broadcast key
235 * @keyidx: WEP key index (0..3)
236 * @key: Pointer to key data
237 * @keylen: Key length in bytes
238 * Returns: 0 on success or < 0 on error.
239 */
240 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
241 const u8 *key, size_t keylen)
242 {
243 struct wpa_supplicant *wpa_s = ctx;
244 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
245 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
246 WPA_CIPHER_WEP104;
247 if (unicast)
248 wpa_s->pairwise_cipher = cipher;
249 else
250 wpa_s->group_cipher = cipher;
251 }
252 return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
253 unicast ? wpa_s->bssid : NULL,
254 keyidx, unicast, NULL, 0, key, keylen,
255 unicast ? KEY_FLAG_PAIRWISE_RX_TX :
256 KEY_FLAG_GROUP_RX_TX_DEFAULT);
257 }
258 #endif /* CONFIG_WEP */
259
260
261 static void wpa_supplicant_aborted_cached(void *ctx)
262 {
263 struct wpa_supplicant *wpa_s = ctx;
264 wpa_sm_aborted_cached(wpa_s->wpa);
265 }
266
267
268 static const char * result_str(enum eapol_supp_result result)
269 {
270 switch (result) {
271 case EAPOL_SUPP_RESULT_FAILURE:
272 return "FAILURE";
273 case EAPOL_SUPP_RESULT_SUCCESS:
274 return "SUCCESS";
275 case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
276 return "EXPECTED_FAILURE";
277 }
278 return "?";
279 }
280
281
282 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
283 enum eapol_supp_result result,
284 void *ctx)
285 {
286 struct wpa_supplicant *wpa_s = ctx;
287 int res, pmk_len;
288 u8 pmk[PMK_LEN];
289
290 wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
291 result_str(result));
292
293 if (wpas_wps_eapol_cb(wpa_s) > 0)
294 return;
295
296 wpa_s->eap_expected_failure = result ==
297 EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
298
299 if (result != EAPOL_SUPP_RESULT_SUCCESS) {
300 /*
301 * Make sure we do not get stuck here waiting for long EAPOL
302 * timeout if the AP does not disconnect in case of
303 * authentication failure.
304 */
305 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
306 } else {
307 ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
308 }
309
310 if (result != EAPOL_SUPP_RESULT_SUCCESS ||
311 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
312 return;
313
314 if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
315 return;
316
317 wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
318 "handshake");
319
320 pmk_len = PMK_LEN;
321 if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
322 #ifdef CONFIG_IEEE80211R
323 u8 buf[2 * PMK_LEN];
324 wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
325 "driver-based 4-way hs and FT");
326 res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
327 if (res == 0) {
328 os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
329 os_memset(buf, 0, sizeof(buf));
330 }
331 #else /* CONFIG_IEEE80211R */
332 res = -1;
333 #endif /* CONFIG_IEEE80211R */
334 } else {
335 res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
336 if (res) {
337 /*
338 * EAP-LEAP is an exception from other EAP methods: it
339 * uses only 16-byte PMK.
340 */
341 res = eapol_sm_get_key(eapol, pmk, 16);
342 pmk_len = 16;
343 }
344 }
345
346 if (res) {
347 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
348 "machines");
349 return;
350 }
351
352 wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
353 "handshake", pmk, pmk_len);
354
355 if (wpa_drv_set_key(wpa_s, 0, NULL, 0, 0, NULL, 0, pmk,
356 pmk_len, KEY_FLAG_PMK)) {
357 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
358 }
359
360 wpa_supplicant_cancel_scan(wpa_s);
361 wpa_supplicant_cancel_auth_timeout(wpa_s);
362 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
363
364 }
365
366
367 static void wpa_supplicant_notify_eapol_done(void *ctx)
368 {
369 struct wpa_supplicant *wpa_s = ctx;
370 wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
371 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
372 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
373 } else {
374 wpa_supplicant_cancel_auth_timeout(wpa_s);
375 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
376 }
377 }
378
379 #endif /* IEEE8021X_EAPOL */
380
381
382 #ifndef CONFIG_NO_WPA
383
384 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
385 {
386 int ret = 0;
387 struct wpa_bss *curr = NULL, *bss;
388 struct wpa_ssid *ssid = wpa_s->current_ssid;
389 const u8 *ie;
390
391 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
392 if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
393 continue;
394 if (ssid == NULL ||
395 ((bss->ssid_len == ssid->ssid_len &&
396 os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
397 ssid->ssid_len == 0)) {
398 curr = bss;
399 break;
400 }
401 #ifdef CONFIG_OWE
402 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
403 (bss->flags & WPA_BSS_OWE_TRANSITION)) {
404 curr = bss;
405 break;
406 }
407 #endif /* CONFIG_OWE */
408 }
409
410 if (curr) {
411 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
412 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
413 ret = -1;
414
415 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
416 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
417 ret = -1;
418
419 ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
420 if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
421 ret = -1;
422 } else {
423 ret = -1;
424 }
425
426 return ret;
427 }
428
429
430 static int wpa_supplicant_get_beacon_ie(void *ctx)
431 {
432 struct wpa_supplicant *wpa_s = ctx;
433 if (wpa_get_beacon_ie(wpa_s) == 0) {
434 return 0;
435 }
436
437 /* No WPA/RSN IE found in the cached scan results. Try to get updated
438 * scan results from the driver. */
439 if (wpa_supplicant_update_scan_results(wpa_s) < 0)
440 return -1;
441
442 return wpa_get_beacon_ie(wpa_s);
443 }
444
445
446 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
447 const void *data, u16 data_len,
448 size_t *msg_len, void **data_pos)
449 {
450 return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
451 }
452
453
454 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
455 const u8 *buf, size_t len)
456 {
457 return wpa_ether_send(wpa_s, dest, proto, buf, len);
458 }
459
460
461 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
462 {
463 wpa_supplicant_cancel_auth_timeout(wpa_s);
464 }
465
466
467 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
468 {
469 wpa_supplicant_set_state(wpa_s, state);
470 }
471
472
473 /**
474 * wpa_supplicant_get_state - Get the connection state
475 * @wpa_s: Pointer to wpa_supplicant data
476 * Returns: The current connection state (WPA_*)
477 */
478 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
479 {
480 return wpa_s->wpa_state;
481 }
482
483
484 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
485 {
486 return wpa_supplicant_get_state(wpa_s);
487 }
488
489
490 static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
491 {
492 wpa_supplicant_deauthenticate(wpa_s, reason_code);
493 /* Schedule a scan to make sure we continue looking for networks */
494 wpa_supplicant_req_scan(wpa_s, 5, 0);
495 }
496
497
498 static void _wpa_supplicant_reconnect(void *wpa_s)
499 {
500 wpa_supplicant_reconnect(wpa_s);
501 }
502
503
504 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
505 {
506 return wpa_supplicant_get_ssid(wpa_s);
507 }
508
509
510 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
511 {
512 struct wpa_supplicant *wpa_s = ctx;
513 return wpa_drv_get_bssid(wpa_s, bssid);
514 }
515
516
517 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
518 const u8 *addr, int key_idx, int set_tx,
519 const u8 *seq, size_t seq_len,
520 const u8 *key, size_t key_len,
521 enum key_flag key_flag)
522 {
523 struct wpa_supplicant *wpa_s = _wpa_s;
524 if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
525 /* Clear the MIC error counter when setting a new PTK. */
526 wpa_s->mic_errors_seen = 0;
527 }
528 #ifdef CONFIG_TESTING_GET_GTK
529 if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
530 alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
531 os_memcpy(wpa_s->last_gtk, key, key_len);
532 wpa_s->last_gtk_len = key_len;
533 }
534 #endif /* CONFIG_TESTING_GET_GTK */
535 #ifdef CONFIG_TESTING_OPTIONS
536 if (addr && !is_broadcast_ether_addr(addr) &&
537 !(key_flag & KEY_FLAG_MODIFY)) {
538 wpa_s->last_tk_alg = alg;
539 os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
540 wpa_s->last_tk_key_idx = key_idx;
541 if (key)
542 os_memcpy(wpa_s->last_tk, key, key_len);
543 wpa_s->last_tk_len = key_len;
544 }
545 #endif /* CONFIG_TESTING_OPTIONS */
546 return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
547 key, key_len, key_flag);
548 }
549
550
551 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
552 int protection_type,
553 int key_type)
554 {
555 return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
556 key_type);
557 }
558
559
560 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
561 void *network_ctx)
562 {
563 struct wpa_ssid *ssid;
564
565 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
566 if (network_ctx == ssid)
567 return ssid;
568 }
569
570 return NULL;
571 }
572
573
574 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
575 const u8 *bssid, const u8 *pmkid,
576 const u8 *fils_cache_id,
577 const u8 *pmk, size_t pmk_len)
578 {
579 struct wpa_supplicant *wpa_s = _wpa_s;
580 struct wpa_ssid *ssid;
581 struct wpa_pmkid_params params;
582
583 os_memset(&params, 0, sizeof(params));
584 ssid = wpas_get_network_ctx(wpa_s, network_ctx);
585 if (ssid)
586 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
587 MAC2STR(bssid), ssid->id);
588 if (ssid && fils_cache_id) {
589 params.ssid = ssid->ssid;
590 params.ssid_len = ssid->ssid_len;
591 params.fils_cache_id = fils_cache_id;
592 } else {
593 params.bssid = bssid;
594 }
595
596 params.pmkid = pmkid;
597 params.pmk = pmk;
598 params.pmk_len = pmk_len;
599
600 return wpa_drv_add_pmkid(wpa_s, &params);
601 }
602
603
604 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
605 const u8 *bssid, const u8 *pmkid,
606 const u8 *fils_cache_id)
607 {
608 struct wpa_supplicant *wpa_s = _wpa_s;
609 struct wpa_ssid *ssid;
610 struct wpa_pmkid_params params;
611
612 os_memset(&params, 0, sizeof(params));
613 ssid = wpas_get_network_ctx(wpa_s, network_ctx);
614 if (ssid)
615 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
616 MAC2STR(bssid), ssid->id);
617 if (ssid && fils_cache_id) {
618 params.ssid = ssid->ssid;
619 params.ssid_len = ssid->ssid_len;
620 params.fils_cache_id = fils_cache_id;
621 } else {
622 params.bssid = bssid;
623 }
624
625 params.pmkid = pmkid;
626
627 return wpa_drv_remove_pmkid(wpa_s, &params);
628 }
629
630
631 #ifdef CONFIG_IEEE80211R
632 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
633 const u8 *ies, size_t ies_len)
634 {
635 struct wpa_supplicant *wpa_s = ctx;
636 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
637 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
638 return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
639 }
640
641
642 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
643 const u8 *target_ap,
644 const u8 *ies, size_t ies_len)
645 {
646 struct wpa_supplicant *wpa_s = ctx;
647 int ret;
648 u8 *data, *pos;
649 size_t data_len;
650
651 if (action != 1) {
652 wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
653 action);
654 return -1;
655 }
656
657 /*
658 * Action frame payload:
659 * Category[1] = 6 (Fast BSS Transition)
660 * Action[1] = 1 (Fast BSS Transition Request)
661 * STA Address
662 * Target AP Address
663 * FT IEs
664 */
665
666 data_len = 2 + 2 * ETH_ALEN + ies_len;
667 data = os_malloc(data_len);
668 if (data == NULL)
669 return -1;
670 pos = data;
671 *pos++ = 0x06; /* FT Action category */
672 *pos++ = action;
673 os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
674 pos += ETH_ALEN;
675 os_memcpy(pos, target_ap, ETH_ALEN);
676 pos += ETH_ALEN;
677 os_memcpy(pos, ies, ies_len);
678
679 ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
680 wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
681 data, data_len, 0);
682 os_free(data);
683
684 return ret;
685 }
686
687
688 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
689 {
690 struct wpa_supplicant *wpa_s = ctx;
691 struct wpa_driver_auth_params params;
692 struct wpa_bss *bss;
693
694 bss = wpa_bss_get_bssid(wpa_s, target_ap);
695 if (bss == NULL)
696 return -1;
697
698 os_memset(&params, 0, sizeof(params));
699 params.bssid = target_ap;
700 params.freq = bss->freq;
701 params.ssid = bss->ssid;
702 params.ssid_len = bss->ssid_len;
703 params.auth_alg = WPA_AUTH_ALG_FT;
704 params.local_state_change = 1;
705 return wpa_drv_authenticate(wpa_s, &params);
706 }
707 #endif /* CONFIG_IEEE80211R */
708
709
710 #ifdef CONFIG_TDLS
711
712 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
713 int *tdls_ext_setup,
714 int *tdls_chan_switch)
715 {
716 struct wpa_supplicant *wpa_s = ctx;
717
718 *tdls_supported = 0;
719 *tdls_ext_setup = 0;
720 *tdls_chan_switch = 0;
721
722 if (!wpa_s->drv_capa_known)
723 return -1;
724
725 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
726 *tdls_supported = 1;
727
728 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
729 *tdls_ext_setup = 1;
730
731 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
732 *tdls_chan_switch = 1;
733
734 return 0;
735 }
736
737
738 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
739 u8 action_code, u8 dialog_token,
740 u16 status_code, u32 peer_capab,
741 int initiator, const u8 *buf,
742 size_t len)
743 {
744 struct wpa_supplicant *wpa_s = ctx;
745 return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
746 status_code, peer_capab, initiator, buf,
747 len);
748 }
749
750
751 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
752 {
753 struct wpa_supplicant *wpa_s = ctx;
754 return wpa_drv_tdls_oper(wpa_s, oper, peer);
755 }
756
757
758 static int wpa_supplicant_tdls_peer_addset(
759 void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
760 const u8 *supp_rates, size_t supp_rates_len,
761 const struct ieee80211_ht_capabilities *ht_capab,
762 const struct ieee80211_vht_capabilities *vht_capab,
763 u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
764 const u8 *supp_channels, size_t supp_channels_len,
765 const u8 *supp_oper_classes, size_t supp_oper_classes_len)
766 {
767 struct wpa_supplicant *wpa_s = ctx;
768 struct hostapd_sta_add_params params;
769
770 os_memset(&params, 0, sizeof(params));
771
772 params.addr = peer;
773 params.aid = aid;
774 params.capability = capability;
775 params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
776
777 /*
778 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
779 * present. Allow the WMM IE to also indicate QoS support.
780 */
781 if (wmm || qosinfo)
782 params.flags |= WPA_STA_WMM;
783
784 params.ht_capabilities = ht_capab;
785 params.vht_capabilities = vht_capab;
786 params.qosinfo = qosinfo;
787 params.listen_interval = 0;
788 params.supp_rates = supp_rates;
789 params.supp_rates_len = supp_rates_len;
790 params.set = !add;
791 params.ext_capab = ext_capab;
792 params.ext_capab_len = ext_capab_len;
793 params.supp_channels = supp_channels;
794 params.supp_channels_len = supp_channels_len;
795 params.supp_oper_classes = supp_oper_classes;
796 params.supp_oper_classes_len = supp_oper_classes_len;
797
798 return wpa_drv_sta_add(wpa_s, &params);
799 }
800
801
802 static int wpa_supplicant_tdls_enable_channel_switch(
803 void *ctx, const u8 *addr, u8 oper_class,
804 const struct hostapd_freq_params *params)
805 {
806 struct wpa_supplicant *wpa_s = ctx;
807
808 return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
809 params);
810 }
811
812
813 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
814 {
815 struct wpa_supplicant *wpa_s = ctx;
816
817 return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
818 }
819
820 #endif /* CONFIG_TDLS */
821
822 #endif /* CONFIG_NO_WPA */
823
824
825 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
826 {
827 if (os_strcmp(field, "IDENTITY") == 0)
828 return WPA_CTRL_REQ_EAP_IDENTITY;
829 else if (os_strcmp(field, "PASSWORD") == 0)
830 return WPA_CTRL_REQ_EAP_PASSWORD;
831 else if (os_strcmp(field, "NEW_PASSWORD") == 0)
832 return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
833 else if (os_strcmp(field, "PIN") == 0)
834 return WPA_CTRL_REQ_EAP_PIN;
835 else if (os_strcmp(field, "OTP") == 0)
836 return WPA_CTRL_REQ_EAP_OTP;
837 else if (os_strcmp(field, "PASSPHRASE") == 0)
838 return WPA_CTRL_REQ_EAP_PASSPHRASE;
839 else if (os_strcmp(field, "SIM") == 0)
840 return WPA_CTRL_REQ_SIM;
841 else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
842 return WPA_CTRL_REQ_PSK_PASSPHRASE;
843 else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
844 return WPA_CTRL_REQ_EXT_CERT_CHECK;
845 return WPA_CTRL_REQ_UNKNOWN;
846 }
847
848
849 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
850 const char *default_txt,
851 const char **txt)
852 {
853 const char *ret = NULL;
854
855 *txt = default_txt;
856
857 switch (field) {
858 case WPA_CTRL_REQ_EAP_IDENTITY:
859 *txt = "Identity";
860 ret = "IDENTITY";
861 break;
862 case WPA_CTRL_REQ_EAP_PASSWORD:
863 *txt = "Password";
864 ret = "PASSWORD";
865 break;
866 case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
867 *txt = "New Password";
868 ret = "NEW_PASSWORD";
869 break;
870 case WPA_CTRL_REQ_EAP_PIN:
871 *txt = "PIN";
872 ret = "PIN";
873 break;
874 case WPA_CTRL_REQ_EAP_OTP:
875 ret = "OTP";
876 break;
877 case WPA_CTRL_REQ_EAP_PASSPHRASE:
878 *txt = "Private key passphrase";
879 ret = "PASSPHRASE";
880 break;
881 case WPA_CTRL_REQ_SIM:
882 ret = "SIM";
883 break;
884 case WPA_CTRL_REQ_PSK_PASSPHRASE:
885 *txt = "PSK or passphrase";
886 ret = "PSK_PASSPHRASE";
887 break;
888 case WPA_CTRL_REQ_EXT_CERT_CHECK:
889 *txt = "External server certificate validation";
890 ret = "EXT_CERT_CHECK";
891 break;
892 default:
893 break;
894 }
895
896 /* txt needs to be something */
897 if (*txt == NULL) {
898 wpa_printf(MSG_WARNING, "No message for request %d", field);
899 ret = NULL;
900 }
901
902 return ret;
903 }
904
905
906 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
907 const char *field_name, const char *txt)
908 {
909 char *buf;
910 size_t buflen;
911 int len;
912
913 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
914 buf = os_malloc(buflen);
915 if (buf == NULL)
916 return;
917 len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
918 field_name, ssid->id, txt);
919 if (os_snprintf_error(buflen, len)) {
920 os_free(buf);
921 return;
922 }
923 if (ssid->ssid && buflen > len + ssid->ssid_len) {
924 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
925 len += ssid->ssid_len;
926 buf[len] = '\0';
927 }
928 buf[buflen - 1] = '\0';
929 wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
930 os_free(buf);
931 }
932
933
934 #ifdef IEEE8021X_EAPOL
935 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
936 static void wpa_supplicant_eap_param_needed(void *ctx,
937 enum wpa_ctrl_req_type field,
938 const char *default_txt)
939 {
940 struct wpa_supplicant *wpa_s = ctx;
941 struct wpa_ssid *ssid = wpa_s->current_ssid;
942 const char *field_name, *txt = NULL;
943
944 if (ssid == NULL)
945 return;
946
947 if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
948 ssid->eap.pending_ext_cert_check = PENDING_CHECK;
949 wpas_notify_network_request(wpa_s, ssid, field, default_txt);
950
951 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
952 &txt);
953 if (field_name == NULL) {
954 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
955 field);
956 return;
957 }
958
959 wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
960
961 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
962 }
963 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
964 #define wpa_supplicant_eap_param_needed NULL
965 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
966
967
968 #ifdef CONFIG_EAP_PROXY
969
970 static void wpa_supplicant_eap_proxy_cb(void *ctx)
971 {
972 struct wpa_supplicant *wpa_s = ctx;
973 size_t len;
974
975 wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
976 wpa_s->imsi, &len);
977 if (wpa_s->mnc_len > 0) {
978 wpa_s->imsi[len] = '\0';
979 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
980 wpa_s->imsi, wpa_s->mnc_len);
981 } else {
982 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
983 }
984 }
985
986
987 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
988 {
989 int i;
990 struct wpa_ssid *ssid;
991 const struct eap_method_type *eap_methods;
992
993 if (!wpa_s->conf)
994 return;
995
996 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
997 eap_methods = ssid->eap.eap_methods;
998 if (!eap_methods)
999 continue;
1000
1001 for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
1002 if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
1003 (eap_methods[i].method == EAP_TYPE_SIM ||
1004 eap_methods[i].method == EAP_TYPE_AKA ||
1005 eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
1006 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1007 break;
1008 }
1009 }
1010 }
1011 }
1012
1013
1014 static void
1015 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
1016 enum eap_proxy_sim_state sim_state)
1017 {
1018 struct wpa_supplicant *wpa_s = ctx;
1019
1020 wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
1021 switch (sim_state) {
1022 case SIM_STATE_ERROR:
1023 wpa_sm_sim_state_error_handler(wpa_s);
1024 break;
1025 default:
1026 wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
1027 break;
1028 }
1029 }
1030
1031 #endif /* CONFIG_EAP_PROXY */
1032
1033
1034 static void wpa_supplicant_port_cb(void *ctx, int authorized)
1035 {
1036 struct wpa_supplicant *wpa_s = ctx;
1037 #ifdef CONFIG_AP
1038 if (wpa_s->ap_iface) {
1039 wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1040 "port status: %s",
1041 authorized ? "Authorized" : "Unauthorized");
1042 return;
1043 }
1044 #endif /* CONFIG_AP */
1045 wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1046 authorized ? "Authorized" : "Unauthorized");
1047 wpa_drv_set_supp_port(wpa_s, authorized);
1048 }
1049
1050
1051 static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1052 const char *cert_hash)
1053 {
1054 struct wpa_supplicant *wpa_s = ctx;
1055
1056 wpas_notify_certification(wpa_s, cert, cert_hash);
1057 }
1058
1059
1060 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1061 const char *parameter)
1062 {
1063 struct wpa_supplicant *wpa_s = ctx;
1064
1065 wpas_notify_eap_status(wpa_s, status, parameter);
1066 }
1067
1068
1069 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1070 {
1071 struct wpa_supplicant *wpa_s = ctx;
1072
1073 wpas_notify_eap_error(wpa_s, error_code);
1074 }
1075
1076
1077 static int wpa_supplicant_eap_auth_start_cb(void *ctx)
1078 {
1079 struct wpa_supplicant *wpa_s = ctx;
1080
1081 if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
1082 !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
1083 wpa_msg(wpa_s, MSG_INFO,
1084 "WPA: PTK0 rekey not allowed, reconnecting");
1085 wpa_supplicant_reconnect(wpa_s);
1086 return -1;
1087 }
1088 return 0;
1089 }
1090
1091
1092 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1093 {
1094 struct wpa_supplicant *wpa_s = ctx;
1095 char *str;
1096 int res;
1097
1098 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1099 id, len);
1100
1101 if (wpa_s->current_ssid == NULL)
1102 return;
1103
1104 if (id == NULL) {
1105 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1106 "NULL", 0) < 0)
1107 return;
1108 } else {
1109 str = os_malloc(len * 2 + 1);
1110 if (str == NULL)
1111 return;
1112 wpa_snprintf_hex(str, len * 2 + 1, id, len);
1113 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1114 str, 0);
1115 os_free(str);
1116 if (res < 0)
1117 return;
1118 }
1119
1120 if (wpa_s->conf->update_config) {
1121 res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1122 if (res) {
1123 wpa_printf(MSG_DEBUG, "Failed to update config after "
1124 "anonymous_id update");
1125 }
1126 }
1127 }
1128 #endif /* IEEE8021X_EAPOL */
1129
1130
1131 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1132 {
1133 #ifdef IEEE8021X_EAPOL
1134 struct eapol_ctx *ctx;
1135 ctx = os_zalloc(sizeof(*ctx));
1136 if (ctx == NULL) {
1137 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1138 return -1;
1139 }
1140
1141 ctx->ctx = wpa_s;
1142 ctx->msg_ctx = wpa_s;
1143 ctx->eapol_send_ctx = wpa_s;
1144 ctx->preauth = 0;
1145 ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1146 ctx->eapol_send = wpa_supplicant_eapol_send;
1147 #ifdef CONFIG_WEP
1148 ctx->set_wep_key = wpa_eapol_set_wep_key;
1149 #endif /* CONFIG_WEP */
1150 #ifndef CONFIG_NO_CONFIG_BLOBS
1151 ctx->set_config_blob = wpa_supplicant_set_config_blob;
1152 ctx->get_config_blob = wpa_supplicant_get_config_blob;
1153 #endif /* CONFIG_NO_CONFIG_BLOBS */
1154 ctx->aborted_cached = wpa_supplicant_aborted_cached;
1155 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1156 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1157 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1158 ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1159 ctx->wps = wpa_s->wps;
1160 ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1161 #ifdef CONFIG_EAP_PROXY
1162 ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1163 ctx->eap_proxy_notify_sim_status =
1164 wpa_supplicant_eap_proxy_notify_sim_status;
1165 #endif /* CONFIG_EAP_PROXY */
1166 ctx->port_cb = wpa_supplicant_port_cb;
1167 ctx->cb = wpa_supplicant_eapol_cb;
1168 ctx->cert_cb = wpa_supplicant_cert_cb;
1169 ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1170 ctx->status_cb = wpa_supplicant_status_cb;
1171 ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1172 ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
1173 ctx->set_anon_id = wpa_supplicant_set_anon_id;
1174 ctx->cb_ctx = wpa_s;
1175 wpa_s->eapol = eapol_sm_init(ctx);
1176 if (wpa_s->eapol == NULL) {
1177 os_free(ctx);
1178 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1179 "machines.");
1180 return -1;
1181 }
1182 #endif /* IEEE8021X_EAPOL */
1183
1184 return 0;
1185 }
1186
1187
1188 #ifndef CONFIG_NO_WPA
1189
1190 static void wpa_supplicant_set_rekey_offload(void *ctx,
1191 const u8 *kek, size_t kek_len,
1192 const u8 *kck, size_t kck_len,
1193 const u8 *replay_ctr)
1194 {
1195 struct wpa_supplicant *wpa_s = ctx;
1196
1197 wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1198 }
1199
1200
1201 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1202 size_t pmk_len)
1203 {
1204 struct wpa_supplicant *wpa_s = ctx;
1205
1206 if (wpa_s->conf->key_mgmt_offload &&
1207 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1208 return wpa_drv_set_key(wpa_s, 0, NULL, 0, 0,
1209 NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
1210 else
1211 return 0;
1212 }
1213
1214
1215 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1216 const u8 *pkt, size_t pkt_len)
1217 {
1218 struct wpa_supplicant *wpa_s = ctx;
1219 char *hex;
1220 size_t hexlen;
1221
1222 hexlen = pkt_len * 2 + 1;
1223 hex = os_malloc(hexlen);
1224 if (!hex)
1225 return;
1226 wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1227 wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1228 " frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1229 os_free(hex);
1230 }
1231
1232
1233 static int wpa_supplicant_channel_info(void *_wpa_s,
1234 struct wpa_channel_info *ci)
1235 {
1236 struct wpa_supplicant *wpa_s = _wpa_s;
1237
1238 return wpa_drv_channel_info(wpa_s, ci);
1239 }
1240
1241
1242 static void disable_wpa_wpa2(struct wpa_ssid *ssid)
1243 {
1244 ssid->proto &= ~WPA_PROTO_WPA;
1245 ssid->proto |= WPA_PROTO_RSN;
1246 ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
1247 WPA_KEY_MGMT_PSK_SHA256);
1248 ssid->group_cipher &= ~WPA_CIPHER_TKIP;
1249 if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1250 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
1251 ssid->group_cipher |= WPA_CIPHER_CCMP;
1252 ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
1253 }
1254
1255
1256 static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
1257 {
1258 struct wpa_supplicant *wpa_s = _wpa_s;
1259 struct wpa_ssid *ssid;
1260 int changed = 0;
1261
1262 wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
1263
1264 ssid = wpa_s->current_ssid;
1265 if (!ssid)
1266 return;
1267
1268 if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
1269 wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1270 (ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
1271 (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1272 (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1273 wpa_printf(MSG_DEBUG,
1274 "WPA3-Personal transition mode disabled based on AP notification");
1275 disable_wpa_wpa2(ssid);
1276 changed = 1;
1277 }
1278
1279 if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
1280 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
1281 (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
1282 WPA_KEY_MGMT_FT_IEEE8021X |
1283 WPA_KEY_MGMT_IEEE8021X_SHA256)) &&
1284 (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1285 (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1286 disable_wpa_wpa2(ssid);
1287 changed = 1;
1288 }
1289
1290 if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
1291 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
1292 (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1293 !ssid->owe_only) {
1294 ssid->owe_only = 1;
1295 changed = 1;
1296 }
1297
1298 if (!changed)
1299 return;
1300
1301 #ifndef CONFIG_NO_CONFIG_WRITE
1302 if (wpa_s->conf->update_config &&
1303 wpa_config_write(wpa_s->confname, wpa_s->conf))
1304 wpa_printf(MSG_DEBUG, "Failed to update configuration");
1305 #endif /* CONFIG_NO_CONFIG_WRITE */
1306 }
1307
1308 #endif /* CONFIG_NO_WPA */
1309
1310
1311 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1312 {
1313 #ifndef CONFIG_NO_WPA
1314 struct wpa_sm_ctx *ctx;
1315 ctx = os_zalloc(sizeof(*ctx));
1316 if (ctx == NULL) {
1317 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1318 return -1;
1319 }
1320
1321 ctx->ctx = wpa_s;
1322 ctx->msg_ctx = wpa_s;
1323 ctx->set_state = _wpa_supplicant_set_state;
1324 ctx->get_state = _wpa_supplicant_get_state;
1325 ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1326 ctx->reconnect = _wpa_supplicant_reconnect;
1327 ctx->set_key = wpa_supplicant_set_key;
1328 ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1329 ctx->get_bssid = wpa_supplicant_get_bssid;
1330 ctx->ether_send = _wpa_ether_send;
1331 ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1332 ctx->alloc_eapol = _wpa_alloc_eapol;
1333 ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1334 ctx->add_pmkid = wpa_supplicant_add_pmkid;
1335 ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1336 #ifndef CONFIG_NO_CONFIG_BLOBS
1337 ctx->set_config_blob = wpa_supplicant_set_config_blob;
1338 ctx->get_config_blob = wpa_supplicant_get_config_blob;
1339 #endif /* CONFIG_NO_CONFIG_BLOBS */
1340 ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1341 #ifdef CONFIG_IEEE80211R
1342 ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1343 ctx->send_ft_action = wpa_supplicant_send_ft_action;
1344 ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1345 #endif /* CONFIG_IEEE80211R */
1346 #ifdef CONFIG_TDLS
1347 ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1348 ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1349 ctx->tdls_oper = wpa_supplicant_tdls_oper;
1350 ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1351 ctx->tdls_enable_channel_switch =
1352 wpa_supplicant_tdls_enable_channel_switch;
1353 ctx->tdls_disable_channel_switch =
1354 wpa_supplicant_tdls_disable_channel_switch;
1355 #endif /* CONFIG_TDLS */
1356 ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1357 ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1358 ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1359 ctx->channel_info = wpa_supplicant_channel_info;
1360 ctx->transition_disable = wpa_supplicant_transition_disable;
1361
1362 wpa_s->wpa = wpa_sm_init(ctx);
1363 if (wpa_s->wpa == NULL) {
1364 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
1365 "machine");
1366 os_free(ctx);
1367 return -1;
1368 }
1369 #endif /* CONFIG_NO_WPA */
1370
1371 return 0;
1372 }
1373
1374
1375 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1376 struct wpa_ssid *ssid)
1377 {
1378 struct rsn_supp_config conf;
1379 if (ssid) {
1380 os_memset(&conf, 0, sizeof(conf));
1381 conf.network_ctx = ssid;
1382 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1383 #ifdef IEEE8021X_EAPOL
1384 conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1385 wpa_s->conf->okc : ssid->proactive_key_caching;
1386 conf.eap_workaround = ssid->eap_workaround;
1387 conf.eap_conf_ctx = &ssid->eap;
1388 #endif /* IEEE8021X_EAPOL */
1389 conf.ssid = ssid->ssid;
1390 conf.ssid_len = ssid->ssid_len;
1391 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1392 conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
1393 conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
1394 #ifdef CONFIG_P2P
1395 if (ssid->p2p_group && wpa_s->current_bss &&
1396 !wpa_s->p2p_disable_ip_addr_req) {
1397 struct wpabuf *p2p;
1398 p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1399 P2P_IE_VENDOR_TYPE);
1400 if (p2p) {
1401 u8 group_capab;
1402 group_capab = p2p_get_group_capab(p2p);
1403 if (group_capab &
1404 P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1405 conf.p2p = 1;
1406 wpabuf_free(p2p);
1407 }
1408 }
1409 #endif /* CONFIG_P2P */
1410 conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1411 #ifdef CONFIG_FILS
1412 if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1413 conf.fils_cache_id =
1414 wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1415 #endif /* CONFIG_FILS */
1416 conf.beacon_prot = ssid->beacon_prot;
1417 }
1418 wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1419 }
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