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00001 /* 00002 * IEEE 802.1X-2004 Authenticator - EAPOL state machine 00003 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License version 2 as 00007 * published by the Free Software Foundation. 00008 * 00009 * Alternatively, this software may be distributed under the terms of BSD 00010 * license. 00011 * 00012 * See README and COPYING for more details. 00013 */ 00014 00015 #ifndef EAPOL_AUTH_SM_H 00016 #define EAPOL_AUTH_SM_H 00017 00018 #define EAPOL_SM_PREAUTH BIT(0) 00019 #define EAPOL_SM_WAIT_START BIT(1) 00020 #define EAPOL_SM_USES_WPA BIT(2) 00021 #define EAPOL_SM_FROM_PMKSA_CACHE BIT(3) 00022 00023 struct eapol_auth_config { 00024 int eap_reauth_period; 00025 int wpa; 00026 int individual_wep_key_len; 00027 int eap_server; 00028 void *ssl_ctx; 00029 void *msg_ctx; 00030 void *eap_sim_db_priv; 00031 char *eap_req_id_text; /* a copy of this will be allocated */ 00032 size_t eap_req_id_text_len; 00033 u8 *pac_opaque_encr_key; 00034 u8 *eap_fast_a_id; 00035 size_t eap_fast_a_id_len; 00036 char *eap_fast_a_id_info; 00037 int eap_fast_prov; 00038 int pac_key_lifetime; 00039 int pac_key_refresh_time; 00040 int eap_sim_aka_result_ind; 00041 int tnc; 00042 struct wps_context *wps; 00043 00044 /* Opaque context pointer to owner data for callback functions */ 00045 void *ctx; 00046 }; 00047 00048 struct eap_user; 00049 00050 typedef enum { 00051 EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING 00052 } eapol_logger_level; 00053 00054 enum eapol_event { 00055 EAPOL_AUTH_SM_CHANGE, 00056 EAPOL_AUTH_REAUTHENTICATE 00057 }; 00058 00059 struct eapol_auth_cb { 00060 void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data, 00061 size_t datalen); 00062 void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data, 00063 size_t datalen); 00064 void (*finished)(void *ctx, void *sta_ctx, int success, int preauth); 00065 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 00066 int phase2, struct eap_user *user); 00067 int (*sta_entry_alive)(void *ctx, const u8 *addr); 00068 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 00069 const char *txt); 00070 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 00071 void (*abort_auth)(void *ctx, void *sta_ctx); 00072 void (*tx_key)(void *ctx, void *sta_ctx); 00073 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 00074 }; 00075 00076 00077 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 00078 struct eapol_auth_cb *cb); 00079 void eapol_auth_deinit(struct eapol_authenticator *eapol); 00080 struct eapol_state_machine * 00081 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 00082 int flags, const struct wpabuf *assoc_wps_ie, void *sta_ctx); 00083 void eapol_auth_free(struct eapol_state_machine *sm); 00084 void eapol_auth_step(struct eapol_state_machine *sm); 00085 void eapol_auth_dump_state(FILE *f, const char *prefix, 00086 struct eapol_state_machine *sm); 00087 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 00088 00089 #endif /* EAPOL_AUTH_SM_H */