pmksa_cache_auth.h revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4 
1/*
2 * hostapd - PMKSA cache for IEEE 802.11i RSN
3 * Copyright (c) 2004-2008, 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 PMKSA_CACHE_H
10#define PMKSA_CACHE_H
11
12#include "radius/radius.h"
13
14/**
15 * struct rsn_pmksa_cache_entry - PMKSA cache entry
16 */
17struct rsn_pmksa_cache_entry {
18	struct rsn_pmksa_cache_entry *next, *hnext;
19	u8 pmkid[PMKID_LEN];
20	u8 pmk[PMK_LEN];
21	size_t pmk_len;
22	os_time_t expiration;
23	int akmp; /* WPA_KEY_MGMT_* */
24	u8 spa[ETH_ALEN];
25
26	u8 *identity;
27	size_t identity_len;
28	struct radius_class_data radius_class;
29	u8 eap_type_authsrv;
30	int vlan_id;
31	int opportunistic;
32};
33
34struct rsn_pmksa_cache;
35
36struct rsn_pmksa_cache *
37pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
38				      void *ctx), void *ctx);
39void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa);
40struct rsn_pmksa_cache_entry *
41pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa,
42		     const u8 *spa, const u8 *pmkid);
43struct rsn_pmksa_cache_entry * pmksa_cache_get_okc(
44	struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa,
45	const u8 *pmkid);
46struct rsn_pmksa_cache_entry *
47pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
48		     const u8 *pmk, size_t pmk_len,
49		     const u8 *aa, const u8 *spa, int session_timeout,
50		     struct eapol_state_machine *eapol, int akmp);
51struct rsn_pmksa_cache_entry *
52pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa,
53		    const struct rsn_pmksa_cache_entry *old_entry,
54		    const u8 *aa, const u8 *pmkid);
55void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry,
56			       struct eapol_state_machine *eapol);
57
58#endif /* PMKSA_CACHE_H */
59