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/*
 * Copyright (C) 2007-2008 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: x509.h 3656 2008-03-25 22:28:27Z andreas $
 */

/**
 * @defgroup x509 x509
 * @{ @ingroup certificates
 */

#ifndef X509_H_
#define X509_H_

#include <utils/enumerator.h>
#include <credentials/certificates/certificate.h>

typedef struct x509_t x509_t;
typedef enum x509_flag_t x509_flag_t;

/**
 * X.509 certificate flags.
 */
enum x509_flag_t {
	/** cert has CA constraint */
	X509_CA = 			(1<<0),
	/** cert has AA constraint */
	X509_AA = 			(1<<1),
	/** cert has OCSP signer constraint */
	X509_OCSP_SIGNER = 	(1<<2),
	/** cert is self-signed */
	X509_SELF_SIGNED =  (1<<3),
};

/**
 * enum names for x509 flags
 */
extern enum_name_t *x509_flag_names;

/**
 * X.509 certificate interface.
 *
 * This interface adds additional methods to the certificate_t type to
 * allow further operations on these certificates.
 */
struct x509_t {

	/**
	 * Implements certificate_t.
	 */
	certificate_t interface;
	
	/**
	 * Get the flags set for this certificate.
	 *
	 * @return			set of flags
	 */
	x509_flag_t (*get_flags)(x509_t *this);
	
	/**
	 * Get the certificate serial number.
	 *
	 * @return			chunk pointing to internal serial number
	 */
	chunk_t (*get_serial)(x509_t *this);
	
	/**
	 * Get the the authorityKeyIdentifier.
	 *
	 * @return			authKeyIdentifier as identification_t*
	 */
	identification_t* (*get_authKeyIdentifier)(x509_t *this);
	
	/**
	 * Create an enumerator over all subjectAltNames.
	 *
	 * @return			enumerator over subjectAltNames as identification_t*
	 */
	enumerator_t* (*create_subjectAltName_enumerator)(x509_t *this);
	
	/**
	 * Create an enumerator over all CRL URIs.
	 *
	 * @return			enumerator over URIs as char*
	 */
	enumerator_t* (*create_crl_uri_enumerator)(x509_t *this);
	
	/**
	 * Create an enumerator over all OCSP URIs.
	 *
	 * @return			enumerator over URIs as char*
	 */
	enumerator_t* (*create_ocsp_uri_enumerator)(x509_t *this);
};

#endif /* X509_H_ @}*/