2 * wpa_supplicant - WPA2/RSN PMKSA cache functions
3 * Copyright (c) 2003-2009, 2011-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
13 * struct rsn_pmksa_cache_entry - PMKSA cache entry
15 struct rsn_pmksa_cache_entry {
16 struct rsn_pmksa_cache_entry *next;
21 int akmp; /* WPA_KEY_MGMT_* */
24 os_time_t reauth_time;
27 * network_ctx - Network configuration context
29 * This field is only used to match PMKSA cache entries to a specific
30 * network configuration (e.g., a specific SSID and security policy).
31 * This can be a pointer to the configuration entry, but PMKSA caching
32 * code does not dereference the value and this could be any kind of
39 struct rsn_pmksa_cache;
41 enum pmksa_free_reason {
47 #if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
49 struct rsn_pmksa_cache *
50 pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
51 void *ctx, enum pmksa_free_reason reason),
52 void *ctx, struct wpa_sm *sm);
53 void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa);
54 struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
55 const u8 *aa, const u8 *pmkid,
56 const void *network_ctx);
57 int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len);
58 struct rsn_pmksa_cache_entry *
59 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
60 const u8 *aa, const u8 *spa, void *network_ctx, int akmp);
61 struct rsn_pmksa_cache_entry * pmksa_cache_get_current(struct wpa_sm *sm);
62 void pmksa_cache_clear_current(struct wpa_sm *sm);
63 int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
64 const u8 *bssid, void *network_ctx,
65 int try_opportunistic);
66 struct rsn_pmksa_cache_entry *
67 pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa,
68 void *network_ctx, const u8 *aa);
69 void pmksa_cache_flush(struct rsn_pmksa_cache *pmksa, void *network_ctx);
71 #else /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
73 static inline struct rsn_pmksa_cache *
74 pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
75 void *ctx, int reason),
76 void *ctx, struct wpa_sm *sm)
81 static inline void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
85 static inline struct rsn_pmksa_cache_entry *
86 pmksa_cache_get(struct rsn_pmksa_cache *pmksa, const u8 *aa, const u8 *pmkid,
87 const void *network_ctx)
92 static inline struct rsn_pmksa_cache_entry *
93 pmksa_cache_get_current(struct wpa_sm *sm)
98 static inline int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf,
104 static inline struct rsn_pmksa_cache_entry *
105 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
106 const u8 *aa, const u8 *spa, void *network_ctx, int akmp)
111 static inline void pmksa_cache_clear_current(struct wpa_sm *sm)
115 static inline int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
118 int try_opportunistic)
123 static inline void pmksa_cache_flush(struct rsn_pmksa_cache *pmksa,
128 #endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
130 #endif /* PMKSA_CACHE_H */