1 /* 2 * IEEE 802.1X-2004 Authenticator - EAPOL state machine 3 * Copyright (c) 2002-2015, 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 const struct eap_config *eap_cfg; 19 int eap_reauth_period; 20 int wpa; 21 int individual_wep_key_len; 22 char *eap_req_id_text; /* a copy of this will be allocated */ 23 size_t eap_req_id_text_len; 24 int erp_send_reauth_start; 25 char *erp_domain; /* a copy of this will be allocated */ 26 bool eap_skip_prot_success; 27 28 /* Opaque context pointer to owner data for callback functions */ 29 void *ctx; 30 }; 31 32 struct eap_user; 33 struct eap_server_erp_key; 34 35 typedef enum { 36 EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING 37 } eapol_logger_level; 38 39 enum eapol_event { 40 EAPOL_AUTH_SM_CHANGE, 41 EAPOL_AUTH_REAUTHENTICATE 42 }; 43 44 struct eapol_auth_cb { 45 void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data, 46 size_t datalen); 47 void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data, 48 size_t datalen); 49 bool (*finished)(void *ctx, void *sta_ctx, int success, int preauth, 50 int remediation, bool logoff); 51 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 52 int phase2, struct eap_user *user); 53 int (*sta_entry_alive)(void *ctx, const u8 *addr); 54 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 55 const char *txt); 56 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 57 void (*abort_auth)(void *ctx, void *sta_ctx); 58 void (*tx_key)(void *ctx, void *sta_ctx); 59 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 60 struct eap_server_erp_key * (*erp_get_key)(void *ctx, 61 const char *keyname); 62 int (*erp_add_key)(void *ctx, struct eap_server_erp_key *erp); 63 }; 64 65 66 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 67 struct eapol_auth_cb *cb); 68 void eapol_auth_deinit(struct eapol_authenticator *eapol); 69 struct eapol_state_machine * 70 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 71 int flags, const struct wpabuf *assoc_wps_ie, 72 const struct wpabuf *assoc_p2p_ie, void *sta_ctx, 73 const char *identity, const char *radius_cui); 74 void eapol_auth_free(struct eapol_state_machine *sm); 75 void eapol_auth_step(struct eapol_state_machine *sm); 76 int eapol_auth_dump_state(struct eapol_state_machine *sm, char *buf, 77 size_t buflen); 78 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 79 void eapol_auth_reauthenticate(struct eapol_state_machine *sm); 80 int eapol_auth_set_conf(struct eapol_state_machine *sm, const char *param, 81 const char *value); 82 83 #endif /* EAPOL_AUTH_SM_H */ 84