pmksa_cache.h
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00001 /*
00002  * wpa_supplicant - WPA2/RSN PMKSA cache functions
00003  * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License version 2 as
00007  * published by the Free Software Foundation.
00008  *
00009  * Alternatively, this software may be distributed under the terms of BSD
00010  * license.
00011  *
00012  * See README and COPYING for more details.
00013  */
00014 
00015 #ifndef PMKSA_CACHE_H
00016 #define PMKSA_CACHE_H
00017 
00021 struct rsn_pmksa_cache_entry {
00022         struct rsn_pmksa_cache_entry *next;
00023         u8 pmkid[PMKID_LEN];
00024         u8 pmk[PMK_LEN];
00025         size_t pmk_len;
00026         os_time_t expiration;
00027         int akmp; /* WPA_KEY_MGMT_* */
00028         u8 aa[ETH_ALEN];
00029 
00030         os_time_t reauth_time;
00031 
00041         void *network_ctx;
00042         int opportunistic;
00043 };
00044 
00045 struct rsn_pmksa_cache;
00046 
00047 #if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
00048 
00049 struct rsn_pmksa_cache *
00050 pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
00051                                  void *ctx, int replace),
00052                  void *ctx, struct wpa_sm *sm);
00053 void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa);
00054 struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
00055                                                const u8 *aa, const u8 *pmkid);
00056 int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf, size_t len);
00057 struct rsn_pmksa_cache_entry *
00058 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
00059                 const u8 *aa, const u8 *spa, void *network_ctx, int akmp);
00060 void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa);
00061 struct rsn_pmksa_cache_entry * pmksa_cache_get_current(struct wpa_sm *sm);
00062 void pmksa_cache_clear_current(struct wpa_sm *sm);
00063 int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
00064                             const u8 *bssid, void *network_ctx,
00065                             int try_opportunistic);
00066 struct rsn_pmksa_cache_entry *
00067 pmksa_cache_get_opportunistic(struct rsn_pmksa_cache *pmksa,
00068                               void *network_ctx, const u8 *aa);
00069 
00070 #else /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
00071 
00072 static inline struct rsn_pmksa_cache *
00073 pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
00074                                  void *ctx, int replace),
00075                  void *ctx, struct wpa_sm *sm)
00076 {
00077         return (void *) -1;
00078 }
00079 
00080 static inline void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
00081 {
00082 }
00083 
00084 static inline struct rsn_pmksa_cache_entry *
00085 pmksa_cache_get(struct rsn_pmksa_cache *pmksa, const u8 *aa, const u8 *pmkid)
00086 {
00087         return NULL;
00088 }
00089 
00090 static inline struct rsn_pmksa_cache_entry *
00091 pmksa_cache_get_current(struct wpa_sm *sm)
00092 {
00093         return NULL;
00094 }
00095 
00096 static inline int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf,
00097                                    size_t len)
00098 {
00099         return -1;
00100 }
00101 
00102 static inline struct rsn_pmksa_cache_entry *
00103 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
00104                 const u8 *aa, const u8 *spa, void *network_ctx, int akmp)
00105 {
00106         return NULL;
00107 }
00108 
00109 static inline void pmksa_cache_notify_reconfig(struct rsn_pmksa_cache *pmksa)
00110 {
00111 }
00112 
00113 static inline void pmksa_cache_clear_current(struct wpa_sm *sm)
00114 {
00115 }
00116 
00117 static inline int pmksa_cache_set_current(struct wpa_sm *sm, const u8 *pmkid,
00118                                           const u8 *bssid,
00119                                           void *network_ctx,
00120                                           int try_opportunistic)
00121 {
00122         return -1;
00123 }
00124 
00125 #endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
00126 
00127 #endif /* PMKSA_CACHE_H */


wpa_supplicant_node
Author(s): Package maintained by Blaise Gassend
autogenerated on Thu Jan 2 2014 11:25:14