1 /* 2 * IEEE 802.1X-2004 Authenticator - EAPOL state machine 3 * Copyright (c) 2002-2009, Jouni Malinen <j (at) 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 int fragment_size; 44 u16 pwd_group; 45 int pbc_in_m1; 46 47 /* Opaque context pointer to owner data for callback functions */ 48 void *ctx; 49 }; 50 51 struct eap_user; 52 53 typedef enum { 54 EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING 55 } eapol_logger_level; 56 57 enum eapol_event { 58 EAPOL_AUTH_SM_CHANGE, 59 EAPOL_AUTH_REAUTHENTICATE 60 }; 61 62 struct eapol_auth_cb { 63 void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data, 64 size_t datalen); 65 void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data, 66 size_t datalen); 67 void (*finished)(void *ctx, void *sta_ctx, int success, int preauth); 68 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 69 int phase2, struct eap_user *user); 70 int (*sta_entry_alive)(void *ctx, const u8 *addr); 71 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 72 const char *txt); 73 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 74 void (*abort_auth)(void *ctx, void *sta_ctx); 75 void (*tx_key)(void *ctx, void *sta_ctx); 76 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 77 }; 78 79 80 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 81 struct eapol_auth_cb *cb); 82 void eapol_auth_deinit(struct eapol_authenticator *eapol); 83 struct eapol_state_machine * 84 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 85 int flags, const struct wpabuf *assoc_wps_ie, 86 const struct wpabuf *assoc_p2p_ie, void *sta_ctx); 87 void eapol_auth_free(struct eapol_state_machine *sm); 88 void eapol_auth_step(struct eapol_state_machine *sm); 89 void eapol_auth_dump_state(FILE *f, const char *prefix, 90 struct eapol_state_machine *sm); 91 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 92 93 #endif /* EAPOL_AUTH_SM_H */ 94
