139 lines
4.4 KiB
C
139 lines
4.4 KiB
C
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#ifndef EAPOL_SM_H
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#define EAPOL_SM_H
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#include "defs.h"
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typedef enum { Unauthorized, Authorized } PortStatus;
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typedef enum { Auto, ForceUnauthorized, ForceAuthorized } PortControl;
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struct eapol_config {
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int accept_802_1x_keys;
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#define EAPOL_REQUIRE_KEY_UNICAST BIT(0)
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#define EAPOL_REQUIRE_KEY_BROADCAST BIT(1)
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int required_keys; /* which EAPOL-Key packets are required before
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* marking connection authenticated */
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int fast_reauth; /* whether fast EAP reauthentication is enabled */
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int workaround; /* whether EAP workarounds are enabled */
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};
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struct eapol_sm;
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struct eapol_ctx {
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void *ctx; /* pointer to arbitrary upper level context */
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int preauth; /* This EAPOL state machine is used for IEEE 802.11i/RSN
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* pre-authentication */
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void (*cb)(struct eapol_sm *eapol, int success, void *ctx);
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void *cb_ctx, *msg_ctx, *scard_ctx;
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void (*eapol_done_cb)(void *ctx);
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int (*eapol_send)(void *ctx, int type, u8 *buf, size_t len);
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int (*set_wep_key)(void *ctx, int unicast, int keyidx,
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u8 *key, size_t keylen);
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};
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struct wpa_ssid;
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#ifdef IEEE8021X_EAPOL
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struct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx);
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void eapol_sm_deinit(struct eapol_sm *sm);
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void eapol_sm_step(struct eapol_sm *sm);
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int eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen,
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int verbose);
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int eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen);
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void eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod,
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int startPeriod, int maxStart);
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void eapol_sm_rx_eapol(struct eapol_sm *sm, u8 *src, u8 *buf, size_t len);
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void eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm);
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void eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled);
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void eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid);
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void eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success);
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void eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail);
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void eapol_sm_notify_config(struct eapol_sm *sm, struct wpa_ssid *config,
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struct eapol_config *conf);
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int eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len);
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void eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff);
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void eapol_sm_notify_cached(struct eapol_sm *sm);
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void eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt);
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void eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx);
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void eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl);
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void eapol_sm_notify_ctrl_attached(struct eapol_sm *sm);
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void eapol_sm_notify_ctrl_response(struct eapol_sm *sm);
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#else /* IEEE8021X_EAPOL */
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static inline struct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx)
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{
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return (struct eapol_sm *) 1;
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}
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static inline void eapol_sm_deinit(struct eapol_sm *sm)
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{
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}
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static inline void eapol_sm_step(struct eapol_sm *sm)
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{
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}
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static inline int eapol_sm_get_status(struct eapol_sm *sm, char *buf,
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size_t buflen, int verbose)
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{
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return 0;
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}
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static inline int eapol_sm_get_mib(struct eapol_sm *sm, char *buf,
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size_t buflen)
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{
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return 0;
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}
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static inline void eapol_sm_configure(struct eapol_sm *sm, int heldPeriod,
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int authPeriod, int startPeriod,
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int maxStart)
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{
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}
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static inline void eapol_sm_rx_eapol(struct eapol_sm *sm, u8 *src, u8 *buf,
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size_t len)
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{
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}
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static inline void eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm)
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{
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}
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static inline void eapol_sm_notify_portEnabled(struct eapol_sm *sm,
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Boolean enabled)
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{
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}
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static inline void eapol_sm_notify_portValid(struct eapol_sm *sm,
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Boolean valid)
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{
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}
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static inline void eapol_sm_notify_eap_success(struct eapol_sm *sm,
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Boolean success)
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{
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}
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static inline void eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail)
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{
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}
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static inline void eapol_sm_notify_config(struct eapol_sm *sm,
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struct wpa_ssid *config,
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struct eapol_config *conf)
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{
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}
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static inline int eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len)
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{
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return -1;
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}
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static inline void eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff)
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{
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}
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static inline void eapol_sm_notify_cached(struct eapol_sm *sm)
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{
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}
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#define eapol_sm_notify_pmkid_attempt(sm, attempt) do { } while (0)
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#define eapol_sm_register_scard_ctx(sm, ctx) do { } while (0)
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static inline void eapol_sm_notify_portControl(struct eapol_sm *sm,
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PortControl portControl)
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{
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}
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static inline void eapol_sm_notify_ctrl_attached(struct eapol_sm *sm)
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{
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}
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static inline void eapol_sm_notify_ctrl_response(struct eapol_sm *sm)
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{
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}
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#endif /* IEEE8021X_EAPOL */
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#endif /* EAPOL_SM_H */
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