1 /* 2 * hostapd - PMKSA cache for IEEE 802.11i RSN 3 * Copyright (c) 2004-2008, 2012, 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 #ifndef PMKSA_CACHE_H 10 #define PMKSA_CACHE_H 11 12 #include "radius/radius.h" 13 14 /** 15 * struct rsn_pmksa_cache_entry - PMKSA cache entry 16 */ 17 struct rsn_pmksa_cache_entry { 18 struct rsn_pmksa_cache_entry *next, *hnext; 19 u8 pmkid[PMKID_LEN]; 20 u8 pmk[PMK_LEN]; 21 size_t pmk_len; 22 os_time_t expiration; 23 int akmp; /* WPA_KEY_MGMT_* */ 24 u8 spa[ETH_ALEN]; 25 26 u8 *identity; 27 size_t identity_len; 28 struct wpabuf *cui; 29 struct radius_class_data radius_class; 30 u8 eap_type_authsrv; 31 int vlan_id; 32 int opportunistic; 33 }; 34 35 struct rsn_pmksa_cache; 36 37 struct rsn_pmksa_cache * 38 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, 39 void *ctx), void *ctx); 40 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa); 41 struct rsn_pmksa_cache_entry * 42 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa, 43 const u8 *spa, const u8 *pmkid); 44 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc( 45 struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa, 46 const u8 *pmkid); 47 struct rsn_pmksa_cache_entry * 48 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa, 49 const u8 *pmk, size_t pmk_len, 50 const u8 *aa, const u8 *spa, int session_timeout, 51 struct eapol_state_machine *eapol, int akmp); 52 struct rsn_pmksa_cache_entry * 53 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa, 54 const struct rsn_pmksa_cache_entry *old_entry, 55 const u8 *aa, const u8 *pmkid); 56 void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry, 57 struct eapol_state_machine *eapol); 58 void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa, 59 struct rsn_pmksa_cache_entry *entry); 60 61 #endif /* PMKSA_CACHE_H */ 62