1/*
2 * ProFTPD - mod_auth_otp
3 * Copyright (c) 2015-2017 TJ Saunders
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
18 *
19 * As a special exemption, TJ Saunders and other respective copyright holders
20 * give permission to link this program with OpenSSL, and distribute the
21 * resulting executable, without including the source code for OpenSSL in the
22 * source distribution.
23 */
24
25#ifndef MOD_AUTH_OTP_H
26#define MOD_AUTH_OTP_H
27
28#include "conf.h"
29#include "privs.h"
30
31/* Define if you have OpenSSL with SHA256 support. */
32#undef HAVE_SHA256_OPENSSL
33
34/* Define if you have OpenSSL with SHA512 support. */
35#undef HAVE_SHA512_OPENSSL
36
37/* Define if you have mod_sftp support. */
38#undef HAVE_SFTP
39
40#define MOD_AUTH_OTP_VERSION	"mod_auth_otp/0.2"
41
42/* Make sure the version of proftpd is as necessary. */
43#if PROFTPD_VERSION_NUMBER < 0x0001030402
44# error "ProFTPD 1.3.4rc2 or later required"
45#endif
46
47#include <openssl/conf.h>
48#include <openssl/evp.h>
49#include <openssl/hmac.h>
50#include <openssl/err.h>
51#include <openssl/rand.h>
52
53/* Define if you have the LibreSSL library.  */
54#if defined(LIBRESSL_VERSION_NUMBER)
55# define HAVE_LIBRESSL	1
56#endif
57
58/* mod_auth_otp option flags */
59
60/* Miscellaneous */
61extern int auth_otp_logfd;
62extern pool *auth_otp_pool;
63extern unsigned long auth_otp_opts;
64
65/* Supported OTP algorithms */
66#define AUTH_OTP_ALGO_HOTP		1
67#define AUTH_OTP_ALGO_TOTP_SHA1		2
68#define AUTH_OTP_ALGO_TOTP_SHA256	3
69#define AUTH_OTP_ALGO_TOTP_SHA512	4
70
71#endif
72