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/*
* ProFTPD - mod_auth_otp
* Copyright (c) 2015-2022 TJ Saunders
*
* 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.
*
* 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, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, TJ Saunders and other respective copyright holders
* give permission to link this program with OpenSSL, and distribute the
* resulting executable, without including the source code for OpenSSL in the
* source distribution.
*/
#ifndef MOD_AUTH_OTP_H
#define MOD_AUTH_OTP_H
#include "conf.h"
#include "privs.h"
/* Define if you have OpenSSL with SHA256 support. */
#undef HAVE_SHA256_OPENSSL
/* Define if you have OpenSSL with SHA512 support. */
#undef HAVE_SHA512_OPENSSL
/* Define if you have mod_sftp support. */
#undef HAVE_SFTP
#define MOD_AUTH_OTP_VERSION "mod_auth_otp/0.3"
/* Make sure the version of proftpd is as necessary. */
#if PROFTPD_VERSION_NUMBER < 0x0001030402
# error "ProFTPD 1.3.4rc2 or later required"
#endif
#include <openssl/conf.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/err.h>
#include <openssl/rand.h>
/* Define if you have the LibreSSL library. */
#if defined(LIBRESSL_VERSION_NUMBER)
# define HAVE_LIBRESSL 1
#endif
/* mod_auth_otp option flags */
/* Miscellaneous */
extern int auth_otp_logfd;
extern pool *auth_otp_pool;
extern unsigned long auth_otp_opts;
/* Supported OTP algorithms */
#define AUTH_OTP_ALGO_HOTP 1
#define AUTH_OTP_ALGO_TOTP_SHA1 2
#define AUTH_OTP_ALGO_TOTP_SHA256 3
#define AUTH_OTP_ALGO_TOTP_SHA512 4
#endif
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