32 	struct rsn_pmksa_cache_entry *pmksa; /* PMKSA cache */  member
69 static void pmksa_cache_set_expiration(struct rsn_pmksa_cache *pmksa);
78 static void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa,  in pmksa_cache_free_entry()  argument
82 	pmksa->pmksa_count--;  in pmksa_cache_free_entry()
83 	pmksa->free_cb(entry, pmksa->ctx, replace);  in pmksa_cache_free_entry()
90 	struct rsn_pmksa_cache *pmksa = eloop_ctx;  in pmksa_cache_expire()  local
94 	while (pmksa->pmksa && pmksa->pmksa->expiration <= now.sec) {  in pmksa_cache_expire()
95 		struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;  in pmksa_cache_expire()
96 		pmksa->pmksa = entry->next;  in pmksa_cache_expire()
99 		pmksa_cache_free_entry(pmksa, entry, 0);  in pmksa_cache_expire()
102 	pmksa_cache_set_expiration(pmksa);  in pmksa_cache_expire()
108 	struct rsn_pmksa_cache *pmksa = eloop_ctx;  in pmksa_cache_reauth()  local
109 	pmksa->sm->cur_pmksa = NULL;  in pmksa_cache_reauth()
110 	eapol_sm_request_reauth(pmksa->sm->eapol);  in pmksa_cache_reauth()
114 static void pmksa_cache_set_expiration(struct rsn_pmksa_cache *pmksa)  in pmksa_cache_set_expiration()  argument
120 	eloop_cancel_timeout(pmksa_cache_expire, pmksa, NULL);  in pmksa_cache_set_expiration()
121 	eloop_cancel_timeout(pmksa_cache_reauth, pmksa, NULL);  in pmksa_cache_set_expiration()
122 	if (pmksa->pmksa == NULL)  in pmksa_cache_set_expiration()
125 	sec = pmksa->pmksa->expiration - now.sec;  in pmksa_cache_set_expiration()
128 	eloop_register_timeout(sec + 1, 0, pmksa_cache_expire, pmksa, NULL);  in pmksa_cache_set_expiration()
130 	entry = pmksa->sm->cur_pmksa ? pmksa->sm->cur_pmksa :  in pmksa_cache_set_expiration()
131 		pmksa_cache_get(pmksa, pmksa->sm->bssid, NULL);  in pmksa_cache_set_expiration()
133 		sec = pmksa->pmksa->reauth_time - now.sec;  in pmksa_cache_set_expiration()
136 		eloop_register_timeout(sec, 0, pmksa_cache_reauth, pmksa,  in pmksa_cache_set_expiration()
158 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,  in pmksa_cache_add()  argument
164 	if (pmksa->sm->proto != WPA_PROTO_RSN || pmk_len > PMK_LEN)  in pmksa_cache_add()
174 	entry->expiration = now.sec + pmksa->sm->dot11RSNAConfigPMKLifetime;  in pmksa_cache_add()
175 	entry->reauth_time = now.sec + pmksa->sm->dot11RSNAConfigPMKLifetime *  in pmksa_cache_add()
176 		pmksa->sm->dot11RSNAConfigPMKReauthThreshold / 100;  in pmksa_cache_add()
183 	pos = pmksa->pmksa;  in pmksa_cache_add()
197 				pmksa->pmksa = pos->next;  in pmksa_cache_add()
200 			if (pos == pmksa->sm->cur_pmksa) {  in pmksa_cache_add()
211 				pmksa->sm->cur_pmksa = NULL;  in pmksa_cache_add()
215 			pmksa_cache_free_entry(pmksa, pos, 1);  in pmksa_cache_add()
222 	if (pmksa->pmksa_count >= pmksa_cache_max_entries && pmksa->pmksa) {  in pmksa_cache_add()
224 		pos = pmksa->pmksa;  in pmksa_cache_add()
225 		pmksa->pmksa = pos->next;  in pmksa_cache_add()
229 		wpa_sm_remove_pmkid(pmksa->sm, pos->aa, pos->pmkid);  in pmksa_cache_add()
230 		pmksa_cache_free_entry(pmksa, pos, 0);  in pmksa_cache_add()
234 	pos = pmksa->pmksa;  in pmksa_cache_add()
243 		entry->next = pmksa->pmksa;  in pmksa_cache_add()
244 		pmksa->pmksa = entry;  in pmksa_cache_add()
245 		pmksa_cache_set_expiration(pmksa);  in pmksa_cache_add()
250 	pmksa->pmksa_count++;  in pmksa_cache_add()
253 	wpa_sm_add_pmkid(pmksa->sm, entry->aa, entry->pmkid);  in pmksa_cache_add()
263 void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)  in pmksa_cache_deinit()  argument
267 	if (pmksa == NULL)  in pmksa_cache_deinit()
270 	entry = pmksa->pmksa;  in pmksa_cache_deinit()
271 	pmksa->pmksa = NULL;  in pmksa_cache_deinit()
277 	pmksa_cache_set_expiration(pmksa);  in pmksa_cache_deinit()
278 	os_free(pmksa);  in pmksa_cache_deinit()
289 struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa,  in pmksa_cache_get()  argument
292 	struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;  in pmksa_cache_get()
310 void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa)  in pmksa_cache_notify_reconfig()  argument
312 	struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;  in pmksa_cache_notify_reconfig()
321 pmksa_cache_clone_entry(struct rsn_pmksa_cache *pmksa,  in pmksa_cache_clone_entry()  argument
327 	new_entry = pmksa_cache_add(pmksa, old_entry->pmk, old_entry->pmk_len,  in pmksa_cache_clone_entry()
328 				    aa, pmksa->sm->own_addr, old_entry->ssid);  in pmksa_cache_clone_entry()
352 pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa,  in pmksa_cache_get_opportunistic()  argument
355 	struct rsn_pmksa_cache_entry *entry = pmksa->pmksa;  in pmksa_cache_get_opportunistic()
361 			entry = pmksa_cache_clone_entry(pmksa, entry, aa);  in pmksa_cache_get_opportunistic()
413 	struct rsn_pmksa_cache *pmksa = sm->pmksa;  in pmksa_cache_set_current()  local
416 		sm->cur_pmksa = pmksa_cache_get(pmksa, NULL, pmkid);  in pmksa_cache_set_current()
418 		sm->cur_pmksa = pmksa_cache_get(pmksa, bssid, NULL);  in pmksa_cache_set_current()
420 		sm->cur_pmksa = pmksa_cache_get_opportunistic(pmksa, ssid,  in pmksa_cache_set_current()
456 	entry = sm->pmksa->pmksa;  in pmksa_cache_list()
490 	struct rsn_pmksa_cache *pmksa;  in pmksa_cache_init()  local
492 	pmksa = os_zalloc(sizeof(*pmksa));  in pmksa_cache_init()
493 	if (pmksa) {  in pmksa_cache_init()
494 		pmksa->free_cb = free_cb;  in pmksa_cache_init()
495 		pmksa->ctx = ctx;  in pmksa_cache_init()
496 		pmksa->sm = sm;  in pmksa_cache_init()
499 	return pmksa;  in pmksa_cache_init()