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/*
* wpa_supplicant - WPA2/RSN PMKSA cache functions
* Copyright (c) 2003-2006, 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;
struct wpa_ssid *ssid;
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 wpa_sm *sm, 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, struct wpa_ssid *ssid);
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, struct wpa_ssid *ssid,
int try_opportunistic);
struct rsn_pmksa_cache_entry *
pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa,
struct wpa_ssid *ssid, 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 wpa_sm *sm, 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, struct wpa_ssid *ssid)
{
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,
struct wpa_ssid *ssid,
int try_opportunistic)
{
return -1;
}
#endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
#endif /* PMKSA_CACHE_H */
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