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/*
* include/haproxy/ssl_utils.h
*
* Utility functions for SSL:
* Mostly generic functions that retrieve information from certificates
*
* Copyright (C) 2012 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr>
* Copyright (C) 2020 HAProxy Technologies, William Lallemand <wlallemand@haproxy.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _HAPROXY_SSL_UTILS_H
#define _HAPROXY_SSL_UTILS_H
#ifdef USE_OPENSSL
#include <haproxy/buf-t.h>
#include <haproxy/openssl-compat.h>
int cert_get_pkey_algo(X509 *crt, struct buffer *out);
int ssl_sock_get_serial(X509 *crt, struct buffer *out);
int ssl_sock_crt2der(X509 *crt, struct buffer *out);
int ssl_sock_get_time(ASN1_TIME *tm, struct buffer *out);
int ssl_sock_get_dn_entry(X509_NAME *a, const struct buffer *entry, int pos,
struct buffer *out);
int ssl_sock_get_dn_formatted(X509_NAME *a, const struct buffer *format, struct buffer *out);
int ssl_sock_get_dn_oneline(X509_NAME *a, struct buffer *out);
X509* ssl_sock_get_peer_certificate(SSL *ssl);
X509* ssl_sock_get_verified_chain_root(SSL *ssl);
unsigned int openssl_version_parser(const char *version);
void exclude_tls_grease(char *input, int len, struct buffer *output);
int x509_v_err_str_to_int(const char *str);
const char *x509_v_err_int_to_str(int code);
long asn1_generalizedtime_to_epoch(ASN1_GENERALIZEDTIME *d);
#endif /* _HAPROXY_SSL_UTILS_H */
#endif /* USE_OPENSSL */
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