#define CTX_IS_INITIATOR(ctx) (((ctx)->flags & CTX_FLAG_INITIATOR) != 0)
enum gss_eap_state {
- GSSEAP_STATE_IDENTITY = 0, /* identify peer */
- GSSEAP_STATE_AUTHENTICATE, /* exchange EAP messages */
- GSSEAP_STATE_EXTENSIONS_REQ, /* initiator extensions */
- GSSEAP_STATE_EXTENSIONS_RESP, /* acceptor extensions */
- GSSEAP_STATE_ESTABLISHED, /* context established */
- GSSEAP_STATE_ERROR, /* context error */
-#ifdef GSSEAP_ENABLE_REAUTH
- GSSEAP_STATE_KRB_REAUTH /* fast reauthentication */
-#endif
+ GSSEAP_STATE_INITIAL = 0x01, /* initial state */
+ GSSEAP_STATE_AUTHENTICATE = 0x02, /* exchange EAP messages */
+ GSSEAP_STATE_INITIATOR_EXTS = 0x04, /* initiator extensions */
+ GSSEAP_STATE_ACCEPTOR_EXTS = 0x08, /* acceptor extensions */
+ GSSEAP_STATE_REAUTHENTICATE = 0x10, /* GSS reauthentication messages */
+ GSSEAP_STATE_ESTABLISHED = 0x20, /* context established */
+ GSSEAP_STATE_ALL = 0x3F
+};
+
+#define GSSEAP_STATE_NEXT(s) ((s) << 1)
+
+/* state machine entry */
+struct gss_eap_sm {
+ OM_uint32 inputTokenType;
+ OM_uint32 outputTokenType;
+ enum gss_eap_state validStates;
+ OM_uint32 itokFlags;
+ OM_uint32 (*processToken)(OM_uint32 *,
+ gss_cred_id_t,
+ gss_ctx_id_t,
+ gss_name_t,
+ gss_OID,
+ OM_uint32,
+ OM_uint32,
+ gss_channel_bindings_t,
+ gss_buffer_t,
+ gss_buffer_t,
+ OM_uint32 *);
};
+#define SM_FLAG_TRANSITION 0x00000001 /* transition to next state */
+#define SM_FLAG_FORCE_SEND_TOKEN 0x00000002 /* send token even if empty */
+#define SM_FLAG_STOP_EVAL 0x00000004 /* no more handlers for this state */
+
+#define SM_ITOK_FLAG_CRITICAL 0x00000001 /* sent tokens marked critical */
+#define SM_ITOK_FLAG_REQUIRED 0x00000002 /* received tokens must be present */
+
#define CTX_IS_ESTABLISHED(ctx) ((ctx)->state == GSSEAP_STATE_ESTABLISHED)
/* Initiator context flags */