moved typedefs to beginning of files to solve some include problems

splitted authenticator to have a separate implementation for each auth_method_t
using va_copy to clone va_lists, should fix proplems on AMD64
some other cleanups

src/charon/sa/authenticators/psk_authenticator.h

@@ -0,0 +1,57 @@
+/**
+ * @file psk_authenticator.h
+ *
+ * @brief Interface of psk_authenticator_t.
+ *
+ */
+
+/*
+ * Copyright (C) 2006 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef PSK_AUTHENTICATOR_H_
+#define PSK_AUTHENTICATOR_H_
+
+typedef struct psk_authenticator_t psk_authenticator_t;
+
+#include <sa/authenticators/authenticator.h>
+
+/**
+ * @brief Implementation of the authenticator_t interface using AUTH_PSK.
+ *
+ * @b Constructors:
+ *  - psk_authenticator_create()
+ *  - authenticator_create() using auth_method AUTH_PSK
+ *
+ * @ingroup authenticator
+ */
+struct psk_authenticator_t {
+
+	/**
+	 * Implemented authenticator_t interface.
+	 */
+	authenticator_t authenticator_interface;
+};
+
+/**
+ * @brief Creates an authenticator for AUTH_PSK.
+ *
+ * @param ike_sa		associated ike_sa
+ * @return				psk_authenticator_t object
+ *
+ * @ingroup authenticator
+ */
+psk_authenticator_t *psk_authenticator_create(ike_sa_t *ike_sa);
+
+#endif /* PSK_AUTHENTICATOR_H_ */