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 struct radius_das_attrs; 39 40 struct rsn_pmksa_cache * 41 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, 42 void *ctx), void *ctx); 43 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa); 44 struct rsn_pmksa_cache_entry * 45 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa, 46 const u8 *spa, const u8 *pmkid); 47 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc( 48 struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa, 49 const u8 *pmkid); 50 struct rsn_pmksa_cache_entry * 51 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa, 52 const u8 *pmk, size_t pmk_len, const u8 *pmkid, 53 const u8 *kck, size_t kck_len, 54 const u8 *aa, const u8 *spa, int session_timeout, 55 struct eapol_state_machine *eapol, int akmp); 56 struct rsn_pmksa_cache_entry * 57 pmksa_cache_auth_create_entry(const u8 *pmk, size_t pmk_len, const u8 *pmkid, 58 const u8 *kck, size_t kck_len, const u8 *aa, 59 const u8 *spa, int session_timeout, 60 struct eapol_state_machine *eapol, int akmp); 61 int pmksa_cache_auth_add_entry(struct rsn_pmksa_cache *pmksa, 62 struct rsn_pmksa_cache_entry *entry); 63 struct rsn_pmksa_cache_entry * 64 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa, 65 const struct rsn_pmksa_cache_entry *old_entry, 66 const u8 *aa, const u8 *pmkid); 67 void pmksa_cache_to_eapol_data(struct hostapd_data *hapd, 68 struct rsn_pmksa_cache_entry *entry, 69 struct eapol_state_machine *eapol); 70 void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa, 71 struct rsn_pmksa_cache_entry *entry); 72 int pmksa_cache_auth_radius_das_disconnect(struct rsn_pmksa_cache *pmksa, 73 struct radius_das_attrs *attr); 74 int pmksa_cache_auth_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len); 75 void pmksa_cache_auth_flush(struct rsn_pmksa_cache *pmksa); 76 int pmksa_cache_auth_list_mesh(struct rsn_pmksa_cache *pmksa, const u8 *addr, 77 char *buf, size_t len); 78 79 #endif /* PMKSA_CACHE_H */ 80