src/eap_server/eap_sim_db.h

   1 /*
   2  * hostapd / EAP-SIM database/authenticator gateway
   3  * Copyright (c) 2005-2007, 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 #include "eap_common/eap_sim_common.h"
  19
  20 /* Identity prefixes */
  21 #define EAP_SIM_PERMANENT_PREFIX '1'
  22 #define EAP_SIM_PSEUDONYM_PREFIX '3'
  23 #define EAP_SIM_REAUTH_ID_PREFIX '5'
  24 #define EAP_AKA_PERMANENT_PREFIX '0'
  25 #define EAP_AKA_PSEUDONYM_PREFIX '2'
  26 #define EAP_AKA_REAUTH_ID_PREFIX '4'
  27
  28 void * eap_sim_db_init(const char *config,
  29                        void (*get_complete_cb)(void *ctx, void *session_ctx),
  30                        void *ctx);
  31
  32 void eap_sim_db_deinit(void *priv);
  33
  34 int eap_sim_db_get_gsm_triplets(void *priv, const u8 *identity,
  35                                 size_t identity_len, int max_chal,
  36                                 u8 *_rand, u8 *kc, u8 *sres,
  37                                 void *cb_session_ctx);
  38
  39 #define EAP_SIM_DB_FAILURE -1
  40 #define EAP_SIM_DB_PENDING -2
  41
  42 int eap_sim_db_identity_known(void *priv, const u8 *identity,
  43                               size_t identity_len);
  44
  45 char * eap_sim_db_get_next_pseudonym(void *priv, int aka);
  46
  47 char * eap_sim_db_get_next_reauth_id(void *priv, int aka);
  48
  49 int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
  50                              size_t identity_len, char *pseudonym);
  51
  52 int eap_sim_db_add_reauth(void *priv, const u8 *identity,
  53                           size_t identity_len, char *reauth_id, u16 counter,
  54                           const u8 *mk);
  55 int eap_sim_db_add_reauth_prime(void *priv, const u8 *identity,
  56                                 size_t identity_len, char *reauth_id,
  57                                 u16 counter, const u8 *k_encr, const u8 *k_aut,
  58                                 const u8 *k_re);
  59
  60 const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
  61                                     size_t identity_len, size_t *len);
  62
  63 struct eap_sim_reauth {
  64         struct eap_sim_reauth *next;
  65         u8 *identity;
  66         size_t identity_len;
  67         char *reauth_id;
  68         u16 counter;
  69         int aka_prime;
  70         u8 mk[EAP_SIM_MK_LEN];
  71         u8 k_encr[EAP_SIM_K_ENCR_LEN];
  72         u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
  73         u8 k_re[EAP_AKA_PRIME_K_RE_LEN];
  74 };
  75
  76 struct eap_sim_reauth *
  77 eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
  78                             size_t identity_len);
  79
  80 void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth);
  81
  82 int eap_sim_db_get_aka_auth(void *priv, const u8 *identity,
  83                             size_t identity_len, u8 *_rand, u8 *autn, u8 *ik,
  84                             u8 *ck, u8 *res, size_t *res_len,
  85                             void *cb_session_ctx);
  86
  87 int eap_sim_db_resynchronize(void *priv, const u8 *identity,
  88                              size_t identity_len, const u8 *auts,
  89                              const u8 *_rand);
  90
  91 #endif /* EAP_SIM_DB_H */