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_MAX]; 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 struct vlan_description *vlan_desc; 32 int opportunistic; 33 34 u64 acct_multi_session_id; 35 }; 36 37 struct rsn_pmksa_cache; 38 39 struct rsn_pmksa_cache * 40 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, 41 void *ctx), void *ctx); 42 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa); 43 struct rsn_pmksa_cache_entry * 44 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa, 45 const u8 *spa, const u8 *pmkid); 46 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc( 47 struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa, 48 const u8 *pmkid); 49 struct rsn_pmksa_cache_entry * 50 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa, 51 const u8 *pmk, size_t pmk_len, const u8 *pmkid, 52 const u8 *kck, size_t kck_len, 53 const u8 *aa, const u8 *spa, int session_timeout, 54 struct eapol_state_machine *eapol, int akmp); 55 struct rsn_pmksa_cache_entry * 56 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa, 57 const struct rsn_pmksa_cache_entry *old_entry, 58 const u8 *aa, const u8 *pmkid); 59 void pmksa_cache_to_eapol_data(struct hostapd_data *hapd, 60 struct rsn_pmksa_cache_entry *entry, 61 struct eapol_state_machine *eapol); 62 void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa, 63 struct rsn_pmksa_cache_entry *entry); 64 int pmksa_cache_auth_radius_das_disconnect(struct rsn_pmksa_cache *pmksa, 65 struct radius_das_attrs *attr); 66 int pmksa_cache_auth_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len); 67 void pmksa_cache_auth_flush(struct rsn_pmksa_cache *pmksa); 68 69 #endif /* PMKSA_CACHE_H */ 70