95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
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* hostapd / EAP-SIM database/authenticator gateway
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* Copyright (c) 2005-2008, 2012, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef EAP_SIM_DB_H
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#define EAP_SIM_DB_H
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#include "eap_common/eap_sim_common.h"
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/* Identity prefixes */
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#define EAP_SIM_PERMANENT_PREFIX '1'
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#define EAP_SIM_PSEUDONYM_PREFIX '3'
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#define EAP_SIM_REAUTH_ID_PREFIX '5'
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#define EAP_AKA_PERMANENT_PREFIX '0'
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#define EAP_AKA_PSEUDONYM_PREFIX '2'
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#define EAP_AKA_REAUTH_ID_PREFIX '4'
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#define EAP_AKA_PRIME_PERMANENT_PREFIX '6'
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#define EAP_AKA_PRIME_PSEUDONYM_PREFIX '7'
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#define EAP_AKA_PRIME_REAUTH_ID_PREFIX '8'
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enum eap_sim_db_method {
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EAP_SIM_DB_SIM,
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EAP_SIM_DB_AKA,
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EAP_SIM_DB_AKA_PRIME
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};
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struct eap_sim_db_data;
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struct eap_sim_db_data *
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eap_sim_db_init(const char *config,
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void (*get_complete_cb)(void *ctx, void *session_ctx),
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void *ctx);
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void eap_sim_db_deinit(void *priv);
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int eap_sim_db_get_gsm_triplets(struct eap_sim_db_data *data,
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const char *username, int max_chal,
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u8 *_rand, u8 *kc, u8 *sres,
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void *cb_session_ctx);
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#define EAP_SIM_DB_FAILURE -1
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#define EAP_SIM_DB_PENDING -2
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char * eap_sim_db_get_next_pseudonym(struct eap_sim_db_data *data,
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enum eap_sim_db_method method);
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char * eap_sim_db_get_next_reauth_id(struct eap_sim_db_data *data,
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enum eap_sim_db_method method);
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int eap_sim_db_add_pseudonym(struct eap_sim_db_data *data,
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const char *permanent, char *pseudonym);
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int eap_sim_db_add_reauth(struct eap_sim_db_data *data, const char *permanent,
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char *reauth_id, u16 counter, const u8 *mk);
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int eap_sim_db_add_reauth_prime(struct eap_sim_db_data *data,
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const char *permanent,
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char *reauth_id, u16 counter, const u8 *k_encr,
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const u8 *k_aut, const u8 *k_re);
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const char * eap_sim_db_get_permanent(struct eap_sim_db_data *data,
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const char *pseudonym);
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struct eap_sim_reauth {
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struct eap_sim_reauth *next;
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char *permanent; /* Permanent username */
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char *reauth_id; /* Fast re-authentication username */
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u16 counter;
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u8 mk[EAP_SIM_MK_LEN];
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u8 k_encr[EAP_SIM_K_ENCR_LEN];
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u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
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u8 k_re[EAP_AKA_PRIME_K_RE_LEN];
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};
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struct eap_sim_reauth *
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eap_sim_db_get_reauth_entry(struct eap_sim_db_data *data,
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const char *reauth_id);
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void eap_sim_db_remove_reauth(struct eap_sim_db_data *data,
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struct eap_sim_reauth *reauth);
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int eap_sim_db_get_aka_auth(struct eap_sim_db_data *data, const char *username,
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u8 *_rand, u8 *autn, u8 *ik, u8 *ck,
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u8 *res, size_t *res_len, void *cb_session_ctx);
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int eap_sim_db_resynchronize(struct eap_sim_db_data *data,
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const char *username, const u8 *auts,
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const u8 *_rand);
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char * sim_get_username(const u8 *identity, size_t identity_len);
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#endif /* EAP_SIM_DB_H */
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