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 *dpp_pkhash; /* SHA256_MAC_LEN octet hash value of DPP Connector 27 * public key */ 28 u8 *identity; 29 size_t identity_len; 30 struct wpabuf *cui; 31 struct radius_class_data radius_class; 32 u8 eap_type_authsrv; 33 struct vlan_description *vlan_desc; 34 int opportunistic; 35 36 u64 acct_multi_session_id; 37 }; 38 39 struct rsn_pmksa_cache; 40 struct radius_das_attrs; 41 42 struct rsn_pmksa_cache * 43 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, 44 void *ctx), void *ctx); 45 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa); 46 struct rsn_pmksa_cache_entry * 47 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa, 48 const u8 *spa, const u8 *pmkid); 49 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc( 50 struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa, 51 const u8 *pmkid); 52 struct rsn_pmksa_cache_entry * 53 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa, 54 const u8 *pmk, size_t pmk_len, const u8 *pmkid, 55 const u8 *kck, size_t kck_len, 56 const u8 *aa, const u8 *spa, int session_timeout, 57 struct eapol_state_machine *eapol, int akmp); 58 struct rsn_pmksa_cache_entry * 59 pmksa_cache_auth_create_entry(const u8 *pmk, size_t pmk_len, const u8 *pmkid, 60 const u8 *kck, size_t kck_len, const u8 *aa, 61 const u8 *spa, int session_timeout, 62 struct eapol_state_machine *eapol, int akmp); 63 int pmksa_cache_auth_add_entry(struct rsn_pmksa_cache *pmksa, 64 struct rsn_pmksa_cache_entry *entry); 65 struct rsn_pmksa_cache_entry * 66 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa, 67 const struct rsn_pmksa_cache_entry *old_entry, 68 const u8 *aa, const u8 *pmkid); 69 void pmksa_cache_to_eapol_data(struct hostapd_data *hapd, 70 struct rsn_pmksa_cache_entry *entry, 71 struct eapol_state_machine *eapol); 72 void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa, 73 struct rsn_pmksa_cache_entry *entry); 74 int pmksa_cache_auth_radius_das_disconnect(struct rsn_pmksa_cache *pmksa, 75 struct radius_das_attrs *attr); 76 int pmksa_cache_auth_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len); 77 void pmksa_cache_auth_flush(struct rsn_pmksa_cache *pmksa); 78 int pmksa_cache_auth_list_mesh(struct rsn_pmksa_cache *pmksa, const u8 *addr, 79 char *buf, size_t len); 80 81 #endif /* PMKSA_CACHE_H */ 82