1/*
2 * hostapd / EAP-SIM database/authenticator gateway
3 * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#ifndef EAP_SIM_DB_H
10#define EAP_SIM_DB_H
11
12#include "eap_common/eap_sim_common.h"
13
14/* Identity prefixes */
15#define EAP_SIM_PERMANENT_PREFIX '1'
16#define EAP_SIM_PSEUDONYM_PREFIX '3'
17#define EAP_SIM_REAUTH_ID_PREFIX '5'
18#define EAP_AKA_PERMANENT_PREFIX '0'
19#define EAP_AKA_PSEUDONYM_PREFIX '2'
20#define EAP_AKA_REAUTH_ID_PREFIX '4'
21
22void * eap_sim_db_init(const char *config,
23		       void (*get_complete_cb)(void *ctx, void *session_ctx),
24		       void *ctx);
25
26void eap_sim_db_deinit(void *priv);
27
28int eap_sim_db_get_gsm_triplets(void *priv, const u8 *identity,
29				size_t identity_len, int max_chal,
30				u8 *_rand, u8 *kc, u8 *sres,
31				void *cb_session_ctx);
32
33#define EAP_SIM_DB_FAILURE -1
34#define EAP_SIM_DB_PENDING -2
35
36int eap_sim_db_identity_known(void *priv, const u8 *identity,
37			      size_t identity_len);
38
39char * eap_sim_db_get_next_pseudonym(void *priv, int aka);
40
41char * eap_sim_db_get_next_reauth_id(void *priv, int aka);
42
43int eap_sim_db_add_pseudonym(void *priv, const u8 *identity,
44			     size_t identity_len, char *pseudonym);
45
46int eap_sim_db_add_reauth(void *priv, const u8 *identity,
47			  size_t identity_len, char *reauth_id, u16 counter,
48			  const u8 *mk);
49int eap_sim_db_add_reauth_prime(void *priv, const u8 *identity,
50				size_t identity_len, char *reauth_id,
51				u16 counter, const u8 *k_encr, const u8 *k_aut,
52				const u8 *k_re);
53
54const u8 * eap_sim_db_get_permanent(void *priv, const u8 *identity,
55				    size_t identity_len, size_t *len);
56
57struct eap_sim_reauth {
58	struct eap_sim_reauth *next;
59	u8 *identity;
60	size_t identity_len;
61	char *reauth_id;
62	u16 counter;
63	int aka_prime;
64	u8 mk[EAP_SIM_MK_LEN];
65	u8 k_encr[EAP_SIM_K_ENCR_LEN];
66	u8 k_aut[EAP_AKA_PRIME_K_AUT_LEN];
67	u8 k_re[EAP_AKA_PRIME_K_RE_LEN];
68};
69
70struct eap_sim_reauth *
71eap_sim_db_get_reauth_entry(void *priv, const u8 *identity,
72			    size_t identity_len);
73
74void eap_sim_db_remove_reauth(void *priv, struct eap_sim_reauth *reauth);
75
76int eap_sim_db_get_aka_auth(void *priv, const u8 *identity,
77			    size_t identity_len, u8 *_rand, u8 *autn, u8 *ik,
78			    u8 *ck, u8 *res, size_t *res_len,
79			    void *cb_session_ctx);
80
81int eap_sim_db_resynchronize(void *priv, const u8 *identity,
82			     size_t identity_len, const u8 *auts,
83			     const u8 *_rand);
84
85#endif /* EAP_SIM_DB_H */
86