src/ap/pmksa_cache_auth.h

   1 /*
   2  * hostapd - PMKSA cache for IEEE 802.11i RSN
   3  * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef PMKSA_CACHE_H
  16 #define PMKSA_CACHE_H
  17
  18 #include "radius/radius.h"
  19
  20 /**
  21  * struct rsn_pmksa_cache_entry - PMKSA cache entry
  22  */
  23 struct rsn_pmksa_cache_entry {
  24         struct rsn_pmksa_cache_entry *next, *hnext;
  25         u8 pmkid[PMKID_LEN];
  26         u8 pmk[PMK_LEN];
  27         size_t pmk_len;
  28         os_time_t expiration;
  29         int akmp; /* WPA_KEY_MGMT_* */
  30         u8 spa[ETH_ALEN];
  31
  32         u8 *identity;
  33         size_t identity_len;
  34         struct radius_class_data radius_class;
  35         u8 eap_type_authsrv;
  36         int vlan_id;
  37         int opportunistic;
  38 };
  39
  40 struct rsn_pmksa_cache;
  41
  42 struct rsn_pmksa_cache *
  43 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
  44                                       void *ctx), void *ctx);
  45 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa);
  46 struct rsn_pmksa_cache_entry *
  47 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa,
  48                      const u8 *spa, const u8 *pmkid);
  49 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc(
  50         struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa,
  51         const u8 *pmkid);
  52 struct rsn_pmksa_cache_entry *
  53 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
  54                      const u8 *pmk, size_t pmk_len,
  55                      const u8 *aa, const u8 *spa, int session_timeout,
  56                      struct eapol_state_machine *eapol, int akmp);
  57 struct rsn_pmksa_cache_entry *
  58 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa,
  59                     const struct rsn_pmksa_cache_entry *old_entry,
  60                     const u8 *aa, const u8 *pmkid);
  61 void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry,
  62                                struct eapol_state_machine *eapol);
  63
  64 #endif /* PMKSA_CACHE_H */