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/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* 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.
*/
/**
* @defgroup cert_validator cert_validator
* @{ @ingroup credentials
*/
#ifndef CERT_VALIDATOR_H_
#define CERT_VALIDATOR_H_
typedef struct cert_validator_t cert_validator_t;
#include <library.h>
/**
* Certificate validator interface.
*
* A certificate validator checks constraints or revocation in a certificate
* or its issuing CA certificate. The interface allows plugins to do
* revocation checking or similar tasks.
*/
struct cert_validator_t {
/**
* Check the lifetime of a certificate.
*
* If this function returns SUCCESS or FAILED, the certificate lifetime is
* considered definitely (in-)valid, without asking other validators.
* If all registered validaters return NEED_MORE, the default
* lifetime check is performed.
*
* @param cert certificate to check lifetime
* @param pathlen the current length of the path bottom-up
* @param anchor is certificate trusted root anchor?
* @param auth container for resulting authentication info
* @return SUCCESS, FAILED or NEED_MORE to ask next validator
*/
status_t (*check_lifetime)(cert_validator_t *this, certificate_t *cert,
int pathlen, bool anchor, auth_cfg_t *auth);
/**
* Validate a subject certificate in relation to its issuer.
*
* If FALSE is returned, the validator should call_hook() on the
* credential manager with an appropriate type and the certificate.
*
* @param subject subject certificate to check
* @param issuer issuer of subject
* @param online whether to do online revocation checking
* @param pathlen the current length of the path bottom-up
* @param anchor is issuer trusted root anchor
* @param auth container for resulting authentication info
* @return TRUE if subject certificate valid
*/
bool (*validate)(cert_validator_t *this, certificate_t *subject,
certificate_t *issuer, bool online, u_int pathlen,
bool anchor, auth_cfg_t *auth);
};
#endif /** CERT_VALIDATOR_H_ @}*/
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