1 /* 2 * IEEE 802.1X-2004 Authenticator - EAPOL state machine 3 * Copyright (c) 2002-2009, 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 EAPOL_AUTH_SM_H 16 #define EAPOL_AUTH_SM_H 17 18 #define EAPOL_SM_PREAUTH BIT(0) 19 #define EAPOL_SM_WAIT_START BIT(1) 20 #define EAPOL_SM_USES_WPA BIT(2) 21 #define EAPOL_SM_FROM_PMKSA_CACHE BIT(3) 22 23 struct eapol_auth_config { 24 int eap_reauth_period; 25 int wpa; 26 int individual_wep_key_len; 27 int eap_server; 28 void *ssl_ctx; 29 void *msg_ctx; 30 void *eap_sim_db_priv; 31 char *eap_req_id_text; /* a copy of this will be allocated */ 32 size_t eap_req_id_text_len; 33 u8 *pac_opaque_encr_key; 34 u8 *eap_fast_a_id; 35 size_t eap_fast_a_id_len; 36 char *eap_fast_a_id_info; 37 int eap_fast_prov; 38 int pac_key_lifetime; 39 int pac_key_refresh_time; 40 int eap_sim_aka_result_ind; 41 int tnc; 42 struct wps_context *wps; 43 44 /* Opaque context pointer to owner data for callback functions */ 45 void *ctx; 46 }; 47 48 struct eap_user; 49 50 typedef enum { 51 EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING 52 } eapol_logger_level; 53 54 enum eapol_event { 55 EAPOL_AUTH_SM_CHANGE, 56 EAPOL_AUTH_REAUTHENTICATE 57 }; 58 59 struct eapol_auth_cb { 60 void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data, 61 size_t datalen); 62 void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data, 63 size_t datalen); 64 void (*finished)(void *ctx, void *sta_ctx, int success, int preauth); 65 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 66 int phase2, struct eap_user *user); 67 int (*sta_entry_alive)(void *ctx, const u8 *addr); 68 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 69 const char *txt); 70 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 71 void (*abort_auth)(void *ctx, void *sta_ctx); 72 void (*tx_key)(void *ctx, void *sta_ctx); 73 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 74 }; 75 76 77 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 78 struct eapol_auth_cb *cb); 79 void eapol_auth_deinit(struct eapol_authenticator *eapol); 80 struct eapol_state_machine * 81 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 82 int flags, const struct wpabuf *assoc_wps_ie, void *sta_ctx); 83 void eapol_auth_free(struct eapol_state_machine *sm); 84 void eapol_auth_step(struct eapol_state_machine *sm); 85 void eapol_auth_dump_state(FILE *f, const char *prefix, 86 struct eapol_state_machine *sm); 87 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 88 89 #endif /* EAPOL_AUTH_SM_H */ 90