wpa_supplicant_node: eap_sim

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00001 /*
00002  * hostapd / EAP-SIM database/authenticator gateway
00003  * Copyright (c) 2005-2007, 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 EAP_SIM_DB_H
00016 #define EAP_SIM_DB_H
00017 
00018 #include "eap_common/eap_sim_common.h"
00019 
00020 /* Identity prefixes */
00021 #define EAP_SIM_PERMANENT_PREFIX '1'
00022 #define EAP_SIM_PSEUDONYM_PREFIX '3'
00023 #define EAP_SIM_REAUTH_ID_PREFIX '5'
00024 #define EAP_AKA_PERMANENT_PREFIX '0'
00025 #define EAP_AKA_PSEUDONYM_PREFIX '2'
00026 #define EAP_AKA_REAUTH_ID_PREFIX '4'
00027 
00028 void * eap_sim_db_init(const char *config,
00029                        void (*get_complete_cb)(void *ctx, void *session_ctx),
00030                        void *ctx);
00031 
00032 void eap_sim_db_deinit(void *priv);
00033 
00034 int eap_sim_db_get_gsm_triplets(void *priv, const u8 *identity,
00035                                 size_t identity_len, int max_chal,
00036                                 u8 *_rand, u8 *kc, u8 *sres,
00037                                 void *cb_session_ctx);
00038 
00039 #define EAP_SIM_DB_FAILURE -1
00040 #define EAP_SIM_DB_PENDING -2
00041 
00042 int eap_sim_db_identity_known(void *priv, const u8 *identity,
00043                               size_t identity_len);
00044 
00045 char * eap_sim_db_get_next_pseudonym(void *priv, int aka);
00046 
00047 char * eap_sim_db_get_next_reauth_id(void *priv, int aka);
00048 
00049 int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
00050                              size_t identity_len, char *pseudonym);
00051 
00052 int eap_sim_db_add_reauth(void *priv, const u8 *identity,
00053                           size_t identity_len, char *reauth_id, u16 counter,
00054                           const u8 *mk);
00055 int eap_sim_db_add_reauth_prime(void *priv, const u8 *identity,
00056                                 size_t identity_len, char *reauth_id,
00057                                 u16 counter, const u8 *k_encr, const u8 *k_aut,
00058                                 const u8 *k_re);
00059 
00060 const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
00061                                     size_t identity_len, size_t *len);
00062 
00063 struct eap_sim_reauth {
00064         struct eap_sim_reauth *next;
00065         u8 *identity;
00066         size_t identity_len;
00067         char *reauth_id;
00068         u16 counter;
00069         int aka_prime;
00070         u8 mk[EAP_SIM_MK_LEN];
00071         u8 k_encr[EAP_SIM_K_ENCR_LEN];
00072         u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
00073         u8 k_re[EAP_AKA_PRIME_K_RE_LEN];
00074 };
00075 
00076 struct eap_sim_reauth *
00077 eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
00078                             size_t identity_len);
00079 
00080 void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth);
00081 
00082 int eap_sim_db_get_aka_auth(void *priv, const u8 *identity,
00083                             size_t identity_len, u8 *_rand, u8 *autn, u8 *ik,
00084                             u8 *ck, u8 *res, size_t *res_len,
00085                             void *cb_session_ctx);
00086 
00087 int eap_sim_db_resynchronize(void *priv, const u8 *identity,
00088                              size_t identity_len, const u8 *auts,
00089                              const u8 *_rand);
00090 
00091 #endif /* EAP_SIM_DB_H */