cleanup TLV code
[mech_eap.orig] / gssapiP_eap.h
index 18137a9..752311e 100644 (file)
@@ -141,17 +141,43 @@ struct gss_cred_id_struct
 #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 */