src/eapol_auth/eapol_auth_sm.h

   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 */