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