eap_sim_db.h revision 8d520ff1dc2da35cdca849e982051b86468016d8 
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
28void * eap_sim_db_init(const char *config,
29		       void (*get_complete_cb)(void *ctx, void *session_ctx),
30		       void *ctx);
31
32void eap_sim_db_deinit(void *priv);
33
34int 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
42int eap_sim_db_identity_known(void *priv, const u8 *identity,
43			      size_t identity_len);
44
45char * eap_sim_db_get_next_pseudonym(void *priv, int aka);
46
47char * eap_sim_db_get_next_reauth_id(void *priv, int aka);
48
49int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
50			     size_t identity_len, char *pseudonym);
51
52int eap_sim_db_add_reauth(void *priv, const u8 *identity,
53			  size_t identity_len, char *reauth_id, u16 counter,
54			  const u8 *mk);
55int 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
60const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
61				    size_t identity_len, size_t *len);
62
63struct 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
76struct eap_sim_reauth *
77eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
78			    size_t identity_len);
79
80void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth);
81
82int 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
87int 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 */
92