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 u8 kck[WPA_KCK_MAX_LEN]; 23 size_t kck_len; 24 os_time_t expiration; 25 int akmp; /* WPA_KEY_MGMT_* */ 26 u8 spa[ETH_ALEN]; 27 28 u8 *dpp_pkhash; /* SHA256_MAC_LEN octet hash value of DPP Connector 29 * public key */ 30 u8 *identity; 31 size_t identity_len; 32 struct wpabuf *cui; 33 struct radius_class_data radius_class; 34 u8 eap_type_authsrv; 35 struct vlan_description *vlan_desc; 36 int opportunistic; 37 38 u64 acct_multi_session_id; 39 }; 40 41 struct rsn_pmksa_cache; 42 struct radius_das_attrs; 43 44 struct rsn_pmksa_cache * 45 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, 46 void *ctx), void *ctx); 47 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa); 48 struct rsn_pmksa_cache_entry * 49 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa, 50 const u8 *spa, const u8 *pmkid); 51 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc( 52 struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa, 53 const u8 *pmkid); 54 struct rsn_pmksa_cache_entry * 55 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa, 56 const u8 *pmk, size_t pmk_len, const u8 *pmkid, 57 const u8 *kck, size_t kck_len, 58 const u8 *aa, const u8 *spa, int session_timeout, 59 struct eapol_state_machine *eapol, int akmp); 60 struct rsn_pmksa_cache_entry * 61 pmksa_cache_auth_create_entry(const u8 *pmk, size_t pmk_len, const u8 *pmkid, 62 const u8 *kck, size_t kck_len, const u8 *aa, 63 const u8 *spa, int session_timeout, 64 struct eapol_state_machine *eapol, int akmp); 65 int pmksa_cache_auth_add_entry(struct rsn_pmksa_cache *pmksa, 66 struct rsn_pmksa_cache_entry *entry); 67 struct rsn_pmksa_cache_entry * 68 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa, 69 const struct rsn_pmksa_cache_entry *old_entry, 70 const u8 *aa, const u8 *pmkid); 71 void pmksa_cache_to_eapol_data(struct hostapd_data *hapd, 72 struct rsn_pmksa_cache_entry *entry, 73 struct eapol_state_machine *eapol); 74 void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa, 75 struct rsn_pmksa_cache_entry *entry); 76 int pmksa_cache_auth_radius_das_disconnect(struct rsn_pmksa_cache *pmksa, 77 struct radius_das_attrs *attr); 78 int pmksa_cache_auth_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len); 79 void pmksa_cache_auth_flush(struct rsn_pmksa_cache *pmksa); 80 int pmksa_cache_auth_list_mesh(struct rsn_pmksa_cache *pmksa, const u8 *addr, 81 char *buf, size_t len); 82 83 #endif /* PMKSA_CACHE_H */ 84