| /* |
| * wpa_supplicant - WPA2/RSN PMKSA cache functions |
| * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * Alternatively, this software may be distributed under the terms of BSD |
| * license. |
| * |
| * See README and COPYING for more details. |
| */ |
| |
| #ifndef PMKSA_CACHE_H |
| #define PMKSA_CACHE_H |
| |
| /** |
| * struct rsn_pmksa_cache_entry - PMKSA cache entry |
| */ |
| struct rsn_pmksa_cache_entry { |
| struct rsn_pmksa_cache_entry *next; |
| u8 pmkid[PMKID_LEN]; |
| u8 pmk[PMK_LEN]; |
| size_t pmk_len; |
| os_time_t expiration; |
| int akmp; /* WPA_KEY_MGMT_* */ |
| u8 aa[ETH_ALEN]; |
| |
| os_time_t reauth_time; |
| |
| /** |
| * network_ctx - Network configuration context |
| * |
| * This field is only used to match PMKSA cache entries to a specific |
| * network configuration (e.g., a specific SSID and security policy). |
| * This can be a pointer to the configuration entry, but PMKSA caching |
| * code does not dereference the value and this could be any kind of |
| * identifier. |
| */ |
| void *network_ctx; |
| int opportunistic; |
| }; |
| |
| struct rsn_pmksa_cache; |
| |
| #if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2) |
| |
| struct rsn_pmksa_cache * |
| pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, |
| void *ctx, int replace), |
| void *ctx, struct wpa_sm *sm); |
| void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa); |
| struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa, |
| const u8 *aa, const u8 *pmkid); |
| int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len); |
| struct rsn_pmksa_cache_entry * |
| pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len, |
| const u8 *aa, const u8 *spa, void *network_ctx, int akmp); |
| void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa); |
| struct rsn_pmksa_cache_entry * pmksa_cache_get_current(struct wpa_sm *sm); |
| void pmksa_cache_clear_current(struct wpa_sm *sm); |
| int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid, |
| const u8 *bssid, void *network_ctx, |
| int try_opportunistic); |
| struct rsn_pmksa_cache_entry * |
| pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa, |
| void *network_ctx, const u8 *aa); |
| |
| #else /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */ |
| |
| static inline struct rsn_pmksa_cache * |
| pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry, |
| void *ctx, int replace), |
| void *ctx, struct wpa_sm *sm) |
| { |
| return (void *) -1; |
| } |
| |
| static inline void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa) |
| { |
| } |
| |
| static inline struct rsn_pmksa_cache_entry * |
| pmksa_cache_get(struct rsn_pmksa_cache *pmksa, const u8 *aa, const u8 *pmkid) |
| { |
| return NULL; |
| } |
| |
| static inline struct rsn_pmksa_cache_entry * |
| pmksa_cache_get_current(struct wpa_sm *sm) |
| { |
| return NULL; |
| } |
| |
| static inline int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf, |
| size_t len) |
| { |
| return -1; |
| } |
| |
| static inline struct rsn_pmksa_cache_entry * |
| pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len, |
| const u8 *aa, const u8 *spa, void *network_ctx, int akmp) |
| { |
| return NULL; |
| } |
| |
| static inline void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa) |
| { |
| } |
| |
| static inline void pmksa_cache_clear_current(struct wpa_sm *sm) |
| { |
| } |
| |
| static inline int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid, |
| const u8 *bssid, |
| void *network_ctx, |
| int try_opportunistic) |
| { |
| return -1; |
| } |
| |
| #endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */ |
| |
| #endif /* PMKSA_CACHE_H */ |