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90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
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* IEEE 802.1X-2004 Authenticator - EAPOL state machine
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* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef EAPOL_AUTH_SM_H
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#define EAPOL_AUTH_SM_H
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#define EAPOL_SM_PREAUTH BIT(0)
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#define EAPOL_SM_WAIT_START BIT(1)
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#define EAPOL_SM_USES_WPA BIT(2)
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#define EAPOL_SM_FROM_PMKSA_CACHE BIT(3)
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struct eapol_auth_config {
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int eap_reauth_period;
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int wpa;
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int individual_wep_key_len;
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int eap_server;
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void *ssl_ctx;
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void *msg_ctx;
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void *eap_sim_db_priv;
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char *eap_req_id_text; /* a copy of this will be allocated */
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size_t eap_req_id_text_len;
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u8 *pac_opaque_encr_key;
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u8 *eap_fast_a_id;
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size_t eap_fast_a_id_len;
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char *eap_fast_a_id_info;
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int eap_fast_prov;
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int pac_key_lifetime;
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int pac_key_refresh_time;
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int eap_sim_aka_result_ind;
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int tnc;
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struct wps_context *wps;
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/* Opaque context pointer to owner data for callback functions */
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void *ctx;
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};
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struct eap_user;
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typedef enum {
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EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING
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} eapol_logger_level;
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enum eapol_event {
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EAPOL_AUTH_SM_CHANGE,
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EAPOL_AUTH_REAUTHENTICATE
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};
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struct eapol_auth_cb {
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void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data,
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size_t datalen);
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void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data,
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size_t datalen);
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void (*finished)(void *ctx, void *sta_ctx, int success, int preauth);
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int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
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int phase2, struct eap_user *user);
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int (*sta_entry_alive)(void *ctx, const u8 *addr);
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void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level,
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const char *txt);
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void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized);
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void (*abort_auth)(void *ctx, void *sta_ctx);
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void (*tx_key)(void *ctx, void *sta_ctx);
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void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type);
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};
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struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf,
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struct eapol_auth_cb *cb);
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void eapol_auth_deinit(struct eapol_authenticator *eapol);
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struct eapol_state_machine *
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eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr,
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int flags, const struct wpabuf *assoc_wps_ie, void *sta_ctx);
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void eapol_auth_free(struct eapol_state_machine *sm);
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void eapol_auth_step(struct eapol_state_machine *sm);
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void eapol_auth_dump_state(FILE *f, const char *prefix,
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struct eapol_state_machine *sm);
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int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx);
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#endif /* EAPOL_AUTH_SM_H */
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