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 17 struct 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 const u8 *server_id; 41 size_t server_id_len; 42 43 /* Opaque context pointer to owner data for callback functions */ 44 void *ctx; 45 }; 46 47 struct eap_user; 48 49 typedef enum { 50 EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING 51 } eapol_logger_level; 52 53 enum eapol_event { 54 EAPOL_AUTH_SM_CHANGE, 55 EAPOL_AUTH_REAUTHENTICATE 56 }; 57 58 struct eapol_auth_cb { 59 void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data, 60 size_t datalen); 61 void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data, 62 size_t datalen); 63 void (*finished)(void *ctx, void *sta_ctx, int success, int preauth); 64 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 65 int phase2, struct eap_user *user); 66 int (*sta_entry_alive)(void *ctx, const u8 *addr); 67 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 68 const char *txt); 69 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 70 void (*abort_auth)(void *ctx, void *sta_ctx); 71 void (*tx_key)(void *ctx, void *sta_ctx); 72 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 73 }; 74 75 76 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 77 struct eapol_auth_cb *cb); 78 void eapol_auth_deinit(struct eapol_authenticator *eapol); 79 struct eapol_state_machine * 80 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 81 int flags, const struct wpabuf *assoc_wps_ie, 82 const struct wpabuf *assoc_p2p_ie, void *sta_ctx, 83 const char *identity, const char *radius_cui); 84 void eapol_auth_free(struct eapol_state_machine *sm); 85 void eapol_auth_step(struct eapol_state_machine *sm); 86 int eapol_auth_dump_state(struct eapol_state_machine *sm, char *buf, 87 size_t buflen); 88 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 89 90 #endif /* EAPOL_AUTH_SM_H */ 91