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/**
* \file x509_crl.h
*
* \brief X.509 certificate revocation list parsing
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_X509_CRL_H
#define POLARSSL_X509_CRL_H
#if !defined(POLARSSL_CONFIG_FILE)
#include "config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
#include "x509.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \addtogroup x509_module
* \{ */
/**
* \name Structures and functions for parsing CRLs
* \{
*/
/**
* Certificate revocation list entry.
* Contains the CA-specific serial numbers and revocation dates.
*/
typedef struct _x509_crl_entry
{
x509_buf raw;
x509_buf serial;
x509_time revocation_date;
x509_buf entry_ext;
struct _x509_crl_entry *next;
}
x509_crl_entry;
/**
* Certificate revocation list structure.
* Every CRL may have multiple entries.
*/
typedef struct _x509_crl
{
x509_buf raw; /**< The raw certificate data (DER). */
x509_buf tbs; /**< The raw certificate body (DER). The part that is To Be Signed. */
int version; /**< CRL version (1=v1, 2=v2) */
x509_buf sig_oid1;
x509_buf issuer_raw; /**< The raw issuer data (DER). */
x509_name issuer; /**< The parsed issuer data (named information object). */
x509_time this_update;
x509_time next_update;
x509_crl_entry entry; /**< The CRL entries containing the certificate revocation times for this CA. */
x509_buf crl_ext;
x509_buf sig_oid2;
x509_buf sig;
md_type_t sig_md; /**< Internal representation of the MD algorithm of the signature algorithm, e.g. POLARSSL_MD_SHA256 */
pk_type_t sig_pk; /**< Internal representation of the Public Key algorithm of the signature algorithm, e.g. POLARSSL_PK_RSA */
void *sig_opts; /**< Signature options to be passed to pk_verify_ext(), e.g. for RSASSA-PSS */
struct _x509_crl *next;
}
x509_crl;
/**
* \brief Parse one or more CRLs and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param buf buffer holding the CRL data
* \param buflen size of the buffer
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509_crl_parse( x509_crl *chain, const unsigned char *buf, size_t buflen );
#if defined(POLARSSL_FS_IO)
/**
* \brief Load one or more CRLs and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param path filename to read the CRLs from
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509_crl_parse_file( x509_crl *chain, const char *path );
#endif /* POLARSSL_FS_IO */
/**
* \brief Returns an informational string about the CRL.
*
* \param buf Buffer to write to
* \param size Maximum size of buffer
* \param prefix A line prefix
* \param crl The X509 CRL to represent
*
* \return The amount of data written to the buffer, or -1 in
* case of an error.
*/
int x509_crl_info( char *buf, size_t size, const char *prefix,
const x509_crl *crl );
/**
* \brief Initialize a CRL (chain)
*
* \param crl CRL chain to initialize
*/
void x509_crl_init( x509_crl *crl );
/**
* \brief Unallocate all CRL data
*
* \param crl CRL chain to free
*/
void x509_crl_free( x509_crl *crl );
/* \} name */
/* \} addtogroup x509_module */
#ifdef __cplusplus
}
#endif
#endif /* x509_crl.h */