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 #ifdef IEEE8021X_EAPOL
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,
70 const u8 *pmk, size_t pmk_len);
72 #else /* IEEE8021X_EAPOL */
74 static inline struct rsn_pmksa_cache *
75 pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
76 void *ctx, enum pmksa_free_reason reason),
77 void *ctx, struct wpa_sm *sm)
82 static inline void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
86 static inline struct rsn_pmksa_cache_entry *
87 pmksa_cache_get(struct rsn_pmksa_cache *pmksa, const u8 *aa, const u8 *pmkid,
88 const void *network_ctx)
93 static inline struct rsn_pmksa_cache_entry *
94 pmksa_cache_get_current(struct wpa_sm *sm)
99 static inline int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf,
105 static inline struct rsn_pmksa_cache_entry *
106 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
107 const u8 *aa, const u8 *spa, void *network_ctx, int akmp)
112 static inline void pmksa_cache_clear_current(struct wpa_sm *sm)
116 static inline int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
119 int try_opportunistic)
124 static inline void pmksa_cache_flush(struct rsn_pmksa_cache *pmksa,
126 const u8 *pmk, size_t pmk_len)
130 #endif /* IEEE8021X_EAPOL */
132 #endif /* PMKSA_CACHE_H */