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106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/*
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* Copyright (C) 2022 Tobias Brunner
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* Copyright (C) 2010 Martin Willi
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*
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* Copyright (C) secunet Security Networks AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup cert_validator cert_validator
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* @{ @ingroup credentials
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*/
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#ifndef CERT_VALIDATOR_H_
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#define CERT_VALIDATOR_H_
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typedef struct cert_validator_t cert_validator_t;
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#include <library.h>
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/**
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* Certificate validator interface.
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*
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* A certificate validator checks constraints or revocation in a certificate
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* or its issuing CA certificate. The interface allows plugins to do
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* revocation checking or similar tasks.
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*/
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struct cert_validator_t {
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/**
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* Check the lifetime of a certificate.
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*
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* If this function returns SUCCESS or FAILED, the certificate lifetime is
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* considered definitely (in-)valid, without asking other validators.
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* If all registered validators return NEED_MORE, the default
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* lifetime check is performed.
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*
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* @param cert certificate to check lifetime
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* @param pathlen the current length of the path bottom-up
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* @param anchor is certificate trusted root anchor?
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* @param auth container for resulting authentication info
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* @return SUCCESS, FAILED or NEED_MORE to ask next validator
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*/
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status_t (*check_lifetime)(cert_validator_t *this, certificate_t *cert,
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int pathlen, bool anchor, auth_cfg_t *auth);
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/**
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* Validate a subject certificate in relation to its issuer.
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*
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* If FALSE is returned, the validator should call_hook() on the
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* credential manager with an appropriate type and the certificate.
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*
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* @param subject subject certificate to check
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* @param issuer issuer of subject
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* @param pathlen the current length of the path bottom-up
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* @param anchor is issuer trusted root anchor
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* @param auth container for resulting authentication info
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* @return TRUE if subject certificate valid
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*/
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bool (*validate)(cert_validator_t *this, certificate_t *subject,
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certificate_t *issuer, u_int pathlen, bool anchor,
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auth_cfg_t *auth);
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/**
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* Do extended online revocation checking for the given subject certificate
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* in relation to its issuer.
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*
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* If FALSE is returned, the validator should call_hook() on the
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* credential manager with an appropriate type and the certificate.
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*
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* @note This is called after successful basic validation of the complete
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* trust chain including validation via validate().
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*
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* @param subject subject certificate to check
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* @param issuer issuer of subject
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* @param pathlen the current length of the path bottom-up
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* @param anchor is issuer trusted root anchor
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* @param auth container for resulting authentication info
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* @return TRUE if subject certificate valid
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*/
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bool (*validate_online)(cert_validator_t *this, certificate_t *subject,
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certificate_t *issuer, u_int pathlen, bool anchor,
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auth_cfg_t *auth);
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/**
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* Do OCSP checking for the given certificate.
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*
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* @param subject subject certificate to check
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* @param issuer issuer of subject
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* @return a valid OCSP response, NULL otherwise
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*/
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certificate_t* (*ocsp)(cert_validator_t *this, certificate_t *subject,
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certificate_t *issuer);
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};
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#endif /** CERT_VALIDATOR_H_ @}*/
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