contrib/hostapd-0.5.8/eap_sim_db.h

   1 /*
   2  * hostapd / EAP-SIM database/authenticator gateway
   3  * Copyright (c) 2005-2006, 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 EAP_SIM_DB_H
  16 #define EAP_SIM_DB_H
  17
  18 #ifdef EAP_SIM
  19
  20 #include "eap_sim_common.h"
  21
  22 /* Identity prefixes */
  23 #define EAP_SIM_PERMANENT_PREFIX '1'
  24 #define EAP_SIM_PSEUDONYM_PREFIX '3'
  25 #define EAP_SIM_REAUTH_ID_PREFIX '5'
  26 #define EAP_AKA_PERMANENT_PREFIX '0'
  27 #define EAP_AKA_PSEUDONYM_PREFIX '2'
  28 #define EAP_AKA_REAUTH_ID_PREFIX '4'
  29
  30 void * eap_sim_db_init(const char *config,
  31                        void (*get_complete_cb)(void *ctx, void *session_ctx),
  32                        void *ctx);
  33
  34 void eap_sim_db_deinit(void *priv);
  35
  36 int eap_sim_db_get_gsm_triplets(void *priv, const u8 *identity,
  37                                 size_t identity_len, int max_chal,
  38                                 u8 *_rand, u8 *kc, u8 *sres,
  39                                 void *cb_session_ctx);
  40
  41 #define EAP_SIM_DB_FAILURE -1
  42 #define EAP_SIM_DB_PENDING -2
  43
  44 int eap_sim_db_identity_known(void *priv, const u8 *identity,
  45                               size_t identity_len);
  46
  47 char * eap_sim_db_get_next_pseudonym(void *priv, int aka);
  48
  49 char * eap_sim_db_get_next_reauth_id(void *priv, int aka);
  50
  51 int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
  52                              size_t identity_len, char *pseudonym);
  53
  54 int eap_sim_db_add_reauth(void *priv, const u8 *identity,
  55                           size_t identity_len, char *reauth_id, u16 counter,
  56                           const u8 *mk);
  57
  58 const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
  59                                     size_t identity_len, size_t *len);
  60
  61 struct eap_sim_reauth {
  62         struct eap_sim_reauth *next;
  63         u8 *identity;
  64         size_t identity_len;
  65         char *reauth_id;
  66         u16 counter;
  67         u8 mk[EAP_SIM_MK_LEN];
  68 };
  69
  70 struct eap_sim_reauth *
  71 eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
  72                             size_t identity_len);
  73
  74 void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth);
  75
  76 int eap_sim_db_get_aka_auth(void *priv, const u8 *identity,
  77                             size_t identity_len, u8 *_rand, u8 *autn, u8 *ik,
  78                             u8 *ck, u8 *res, size_t *res_len,
  79                             void *cb_session_ctx);
  80
  81 int eap_sim_db_resynchronize(void *priv, const u8 *identity,
  82                              size_t identity_len, const u8 *auts,
  83                              const u8 *_rand);
  84
  85 #else /* EAP_SIM */
  86 static inline void *
  87 eap_sim_db_init(const char *config,
  88                 void (*get_complete_cb)(void *ctx, void *session_ctx),
  89                 void *ctx)
  90 {
  91         return (void *) 1;
  92 }
  93
  94 static inline void eap_sim_db_deinit(void *priv)
  95 {
  96 }
  97 #endif /* EAP_SIM */
  98
  99 #endif /* EAP_SIM_DB_H */