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 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 unsigned int tls_session_lifetime; 31 unsigned int tls_flags; 32 u8 *pac_opaque_encr_key; 33 u8 *eap_fast_a_id; 34 size_t eap_fast_a_id_len; 35 char *eap_fast_a_id_info; 36 int eap_fast_prov; 37 int pac_key_lifetime; 38 int pac_key_refresh_time; 39 int eap_teap_auth; 40 int eap_teap_pac_no_inner; 41 int eap_sim_aka_result_ind; 42 int eap_sim_id; 43 int tnc; 44 struct wps_context *wps; 45 int fragment_size; 46 u16 pwd_group; 47 int pbc_in_m1; 48 const u8 *server_id; 49 size_t server_id_len; 50 51 /* Opaque context pointer to owner data for callback functions */ 52 void *ctx; 53 }; 54 55 struct eap_user; 56 struct eap_server_erp_key; 57 58 typedef enum { 59 EAPOL_LOGGER_DEBUG, EAPOL_LOGGER_INFO, EAPOL_LOGGER_WARNING 60 } eapol_logger_level; 61 62 enum eapol_event { 63 EAPOL_AUTH_SM_CHANGE, 64 EAPOL_AUTH_REAUTHENTICATE 65 }; 66 67 struct eapol_auth_cb { 68 void (*eapol_send)(void *ctx, void *sta_ctx, u8 type, const u8 *data, 69 size_t datalen); 70 void (*aaa_send)(void *ctx, void *sta_ctx, const u8 *data, 71 size_t datalen); 72 void (*finished)(void *ctx, void *sta_ctx, int success, int preauth, 73 int remediation); 74 int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 75 int phase2, struct eap_user *user); 76 int (*sta_entry_alive)(void *ctx, const u8 *addr); 77 void (*logger)(void *ctx, const u8 *addr, eapol_logger_level level, 78 const char *txt); 79 void (*set_port_authorized)(void *ctx, void *sta_ctx, int authorized); 80 void (*abort_auth)(void *ctx, void *sta_ctx); 81 void (*tx_key)(void *ctx, void *sta_ctx); 82 void (*eapol_event)(void *ctx, void *sta_ctx, enum eapol_event type); 83 struct eap_server_erp_key * (*erp_get_key)(void *ctx, 84 const char *keyname); 85 int (*erp_add_key)(void *ctx, struct eap_server_erp_key *erp); 86 }; 87 88 89 struct eapol_authenticator * eapol_auth_init(struct eapol_auth_config *conf, 90 struct eapol_auth_cb *cb); 91 void eapol_auth_deinit(struct eapol_authenticator *eapol); 92 struct eapol_state_machine * 93 eapol_auth_alloc(struct eapol_authenticator *eapol, const u8 *addr, 94 int flags, const struct wpabuf *assoc_wps_ie, 95 const struct wpabuf *assoc_p2p_ie, void *sta_ctx, 96 const char *identity, const char *radius_cui); 97 void eapol_auth_free(struct eapol_state_machine *sm); 98 void eapol_auth_step(struct eapol_state_machine *sm); 99 int eapol_auth_dump_state(struct eapol_state_machine *sm, char *buf, 100 size_t buflen); 101 int eapol_auth_eap_pending_cb(struct eapol_state_machine *sm, void *ctx); 102 void eapol_auth_reauthenticate(struct eapol_state_machine *sm); 103 int eapol_auth_set_conf(struct eapol_state_machine *sm, const char *param, 104 const char *value); 105 106 #endif /* EAPOL_AUTH_SM_H */ 107