denyhosts/clamav/common/cert_util_internal.h

94 lines
2.7 KiB
C

/*
* Internal certificate utility methods and data structures.
*
* Copyright (C) 2016-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* Authors: Russ Kubik
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 _CERT_UTIL_INT_H
#define _CERT_UTIL_INT_H
#include <pthread.h>
#include <stdbool.h>
#include <stdint.h>
#include "clamav.h"
typedef struct {
X509 **certificates;
size_t count;
} cert_list_t;
typedef struct {
pthread_mutex_t mutex;
bool loaded;
cert_list_t system_certs;
cert_list_t trusted_certs;
} cert_store_t;
/**
* @brief Accessor method for cert store.
*
* @return Pointer to cert store
*/
cert_store_t *cert_store_get_int(void);
/**
* @brief Free all certificates loaded by config_store_load.
*
* @details This method does not hold the cert store lock and should not be
* called outside of cert_util.
*/
void cert_store_unload_int(void);
/**
* @brief Free memory allocated by a cert_list_t structure.
*
* @param[in] cert_list - Pointer to a cert_list_t structure
*/
void cert_store_free_cert_list_int(cert_list_t *cert_list);
/**
* @brief Set trusted root certificates in the cert store. If trusted
* certificates already exist in the cert store then they are removed.
*
* @details This method does not hold the cert store lock and should not be
* called outside of cert_util.
*
* @param[in] trusted_certs - List of X509 trusted root certificates
* @param[in] trusted_cert_count - Number of trusted root certificates
*
* @return 0 on success or -1 on error
*/
cl_error_t cert_store_set_trusted_int(X509 **trusted_certs, size_t trusted_cert_count);
/**
* @brief Get the name from an X509 certificate.
* Required if OPENSSL_VERSION_NUMBER >= 0x10100000L ( 1.1.0+ )
* because the X509 structure is now opaque.
*
* The name must be free()'d by the caller.
*
* @param[in] cert - The cert in question.
* @param[out] name - The NULL terminated name.
* @return cl_error_t CL_SUCCESS on success.
*/
cl_error_t x509_get_cert_name(X509 *cert, char **name);
#endif