128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/*
|
|
* 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 */
|