eapol_auth_sm.h revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4 
1/*
2 * IEEE 802.1X-2004 Authenticator - EAPOL state machine
3 * Copyright (c) 2002-2009, 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 EAPOL_AUTH_SM_H
10#define EAPOL_AUTH_SM_H
11
12#define EAPOL_SM_PREAUTH BIT(0)
13#define EAPOL_SM_WAIT_START BIT(1)
14#define EAPOL_SM_USES_WPA BIT(2)
15#define EAPOL_SM_FROM_PMKSA_CACHE BIT(3)
16
17struct eapol_auth_config {
18	int eap_reauth_period;
19	int wpa;
20	int individual_wep_key_len;
21	int eap_server;
22	void *ssl_ctx;
23	void *msg_ctx;
24	void *eap_sim_db_priv;
25	char *eap_req_id_text; /* a copy of this will be allocated */
26	size_t eap_req_id_text_len;
27	u8 *pac_opaque_encr_key;
28	u8 *eap_fast_a_id;
29	size_t eap_fast_a_id_len;
30	char *eap_fast_a_id_info;
31	int eap_fast_prov;
32	int pac_key_lifetime;
33	int pac_key_refresh_time;
34	int eap_sim_aka_result_ind;
35	int tnc;
36	struct wps_context *wps;
37	int fragment_size;
38	u16 pwd_group;
39	int pbc_in_m1;
40
41	/* Opaque context pointer to owner data for callback functions */
42	void *ctx;
43};
44
45struct eap_user;
46
47typedef enum {
48	EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING
49} eapol_logger_level;
50
51enum eapol_event {
52	EAPOL_AUTH_SM_CHANGE,
53	EAPOL_AUTH_REAUTHENTICATE
54};
55
56struct eapol_auth_cb {
57	void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data,
58			   size_t datalen);
59	void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data,
60			 size_t datalen);
61	void (*finished)(void *ctx, void *sta_ctx, int success, int preauth);
62	int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
63			    int phase2, struct eap_user *user);
64	int (*sta_entry_alive)(void *ctx, const u8 *addr);
65	void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level,
66		       const char *txt);
67	void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized);
68	void (*abort_auth)(void *ctx, void *sta_ctx);
69	void (*tx_key)(void *ctx, void *sta_ctx);
70	void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type);
71};
72
73
74struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf,
75					     struct eapol_auth_cb *cb);
76void eapol_auth_deinit(struct eapol_authenticator *eapol);
77struct eapol_state_machine *
78eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr,
79		 int flags, const struct wpabuf *assoc_wps_ie,
80		 const struct wpabuf *assoc_p2p_ie, void *sta_ctx);
81void eapol_auth_free(struct eapol_state_machine *sm);
82void eapol_auth_step(struct eapol_state_machine *sm);
83void eapol_auth_dump_state(FILE *f, const char *prefix,
84			   struct eapol_state_machine *sm);
85int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx);
86
87#endif /* EAPOL_AUTH_SM_H */
88