src/ap/pmksa_cache_auth.h

   1 /*
   2  * hostapd - PMKSA cache for IEEE 802.11i RSN
   3  * Copyright (c) 2004-2008, 2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #ifndef PMKSA_CACHE_H
  10 #define PMKSA_CACHE_H
  11
  12 #include "radius/radius.h"
  13
  14 /**
  15  * struct rsn_pmksa_cache_entry - PMKSA cache entry
  16  */
  17 struct rsn_pmksa_cache_entry {
  18         struct rsn_pmksa_cache_entry *next, *hnext;
  19         u8 pmkid[PMKID_LEN];
  20         u8 pmk[PMK_LEN_MAX];
  21         size_t pmk_len;
  22         os_time_t expiration;
  23         int akmp; /* WPA_KEY_MGMT_* */
  24         u8 spa[ETH_ALEN];
  25
  26         u8 *identity;
  27         size_t identity_len;
  28         struct wpabuf *cui;
  29         struct radius_class_data radius_class;
  30         u8 eap_type_authsrv;
  31         int vlan_id;
  32         int opportunistic;
  33
  34         u32 acct_multi_session_id_hi;
  35         u32 acct_multi_session_id_lo;
  36 };
  37
  38 struct rsn_pmksa_cache;
  39
  40 struct rsn_pmksa_cache *
  41 pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
  42                                       void *ctx), void *ctx);
  43 void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa);
  44 struct rsn_pmksa_cache_entry *
  45 pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa,
  46                      const u8 *spa, const u8 *pmkid);
  47 struct rsn_pmksa_cache_entry * pmksa_cache_get_okc(
  48         struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa,
  49         const u8 *pmkid);
  50 struct rsn_pmksa_cache_entry *
  51 pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
  52                      const u8 *pmk, size_t pmk_len,
  53                      const u8 *kck, size_t kck_len,
  54                      const u8 *aa, const u8 *spa, int session_timeout,
  55                      struct eapol_state_machine *eapol, int akmp);
  56 struct rsn_pmksa_cache_entry *
  57 pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa,
  58                     const struct rsn_pmksa_cache_entry *old_entry,
  59                     const u8 *aa, const u8 *pmkid);
  60 void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry,
  61                                struct eapol_state_machine *eapol);
  62 void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa,
  63                             struct rsn_pmksa_cache_entry *entry);
  64 int pmksa_cache_auth_radius_das_disconnect(struct rsn_pmksa_cache *pmksa,
  65                                            struct radius_das_attrs *attr);
  66
  67 #endif /* PMKSA_CACHE_H */