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diff --git a/src/libstrongswan/settings.h b/src/libstrongswan/settings.h
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+/*
+ * Copyright (C) 2008 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup settings settings
+ * @{ @ingroup libstrongswan
+ */
+
+#ifndef SETTINGS_H_
+#define SETTINGS_H_
+
+typedef struct settings_t settings_t;
+
+#include <library.h>
+
+/**
+ * Generic configuration options read from a config file.
+ *
+ * The sytax is quite simple:
+ *
+ * settings := (section|keyvalue)*
+ * section  := name { settings }
+ * keyvalue := key = value\n
+ *
+ * E.g.:
+ * @code
+   a = b
+   section-one {
+  		somevalue = asdf
+  		subsection {
+  			othervalue = xxx
+  		}
+  		yetanother = zz
+  	}
+  	section-two {
+  	}
+  	@endcode
+ *
+ * The values are accesses using the get() functions using dotted keys, e.g.
+ *   section-one.subsection.othervalue
+ */
+struct settings_t {
+
+	/**
+	 * Get a settings value as a string.
+	 *
+	 * @param key		key including sections
+	 * @param def		value returned if key not found
+	 * @return			value pointing to internal string
+	 */
+	char* (*get_str)(settings_t *this, char *key, char *def);
+	
+	/**
+	 * Get a boolean yes|no, true|false value.
+	 *
+	 * @param jey		key including sections
+	 * @param def		default value returned if key not found
+	 * @return			value of the key
+	 */
+	bool (*get_bool)(settings_t *this, char *key, bool def);
+	
+	/**
+	 * Get an integer value.
+	 *
+	 * @param key		key including sections
+	 * @param def		default value to return if key not found
+	 * @return			value of the key
+	 */
+	int (*get_int)(settings_t *this, char *key, bool def);
+	
+	/**
+     * Destroy a settings instance.
+     */
+    void (*destroy)(settings_t *this);
+};
+
+/**
+ * Load setings from a file.
+ */
+settings_t *settings_create(char *file);
+
+#endif /* SETTINGS_H_ @}*/