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 int erp_send_reauth_start; 28 char *erp_domain; /* a copy of this will be allocated */ 29 int erp; /* Whether ERP is enabled on authentication server */ 30 u8 *pac_opaque_encr_key; 31 u8 *eap_fast_a_id; 32 size_t eap_fast_a_id_len; 33 char *eap_fast_a_id_info; 34 int eap_fast_prov; 35 int pac_key_lifetime; 36 int pac_key_refresh_time; 37 int eap_sim_aka_result_ind; 38 int tnc; 39 struct wps_context *wps; 40 int fragment_size; 41 u16 pwd_group; 42 int pbc_in_m1; 43 const u8 *server_id; 44 size_t server_id_len; 45 46 /* Opaque context pointer to owner data for callback functions */ 47 void *ctx; 48 }; 49 50 struct eap_user; 51 struct eap_server_erp_key; 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 remediation); 69 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 70 int phase2, struct eap_user *user); 71 int (*sta_entry_alive)(void *ctx, const u8 *addr); 72 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 73 const char *txt); 74 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 75 void (*abort_auth)(void *ctx, void *sta_ctx); 76 void (*tx_key)(void *ctx, void *sta_ctx); 77 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 78 struct eap_server_erp_key * (*erp_get_key)(void *ctx, 79 const char *keyname); 80 int (*erp_add_key)(void *ctx, struct eap_server_erp_key *erp); 81 }; 82 83 84 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 85 struct eapol_auth_cb *cb); 86 void eapol_auth_deinit(struct eapol_authenticator *eapol); 87 struct eapol_state_machine * 88 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 89 int flags, const struct wpabuf *assoc_wps_ie, 90 const struct wpabuf *assoc_p2p_ie, void *sta_ctx, 91 const char *identity, const char *radius_cui); 92 void eapol_auth_free(struct eapol_state_machine *sm); 93 void eapol_auth_step(struct eapol_state_machine *sm); 94 int eapol_auth_dump_state(struct eapol_state_machine *sm, char *buf, 95 size_t buflen); 96 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 97 98 #endif /* EAPOL_AUTH_SM_H */ 99