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 #ifdef EAP_SIM 19 20 #include "eap_common/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 int eap_sim_db_add_reauth_prime(void *priv, const u8 *identity, 58 size_t identity_len, char *reauth_id, 59 u16 counter, const u8 *k_encr, const u8 *k_aut, 60 const u8 *k_re); 61 62 const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity, 63 size_t identity_len, size_t *len); 64 65 struct eap_sim_reauth { 66 struct eap_sim_reauth *next; 67 u8 *identity; 68 size_t identity_len; 69 char *reauth_id; 70 u16 counter; 71 int aka_prime; 72 u8 mk[EAP_SIM_MK_LEN]; 73 u8 k_encr[EAP_SIM_K_ENCR_LEN]; 74 u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN]; 75 u8 k_re[EAP_AKA_PRIME_K_RE_LEN]; 76 }; 77 78 struct eap_sim_reauth * 79 eap_sim_db_get_reauth_entry(void *priv, const u8 *identity, 80 size_t identity_len); 81 82 void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth); 83 84 int eap_sim_db_get_aka_auth(void *priv, const u8 *identity, 85 size_t identity_len, u8 *_rand, u8 *autn, u8 *ik, 86 u8 *ck, u8 *res, size_t *res_len, 87 void *cb_session_ctx); 88 89 int eap_sim_db_resynchronize(void *priv, const u8 *identity, 90 size_t identity_len, const u8 *auts, 91 const u8 *_rand); 92 93 #else /* EAP_SIM */ 94 static inline void * 95 eap_sim_db_init(const char *config, 96 void (*get_complete_cb)(void *ctx, void *session_ctx), 97 void *ctx) 98 { 99 return (void *) 1; 100 } 101 102 static inline void eap_sim_db_deinit(void *priv) 103 { 104 } 105 #endif /* EAP_SIM */ 106 107 #endif /* EAP_SIM_DB_H */ 108