mirror of
https://github.com/amnezia-vpn/openvpn3.git
synced 2026-05-17 08:26:28 +03:00
6caca2c313
This is essentially a revert of commit04b2a3c9b7and commitef42e59e05. Signed-off-by: David Sommerseth <davids@openvpn.net>
45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Technologies, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_AUTH_VALIDATE_CREDS_H
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#define OPENVPN_AUTH_VALIDATE_CREDS_H
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#include <openvpn/common/unicode.hpp>
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namespace openvpn {
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// Authentication credential (username, password, or response) must
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// satisfy these constraints:
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//
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// 1. must be a valid UTF-8 string
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// 2. must not contain control or space characters
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// 3. length must be <= 256 unicode characters
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//
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// Note that we don't check that string is non-empty here,
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// callers should do this themselves if necessary.
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template <typename STRING>
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inline bool validate_auth_cred(const STRING& cred)
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{
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return Unicode::is_valid_utf8(cred, 256 | Unicode::UTF8_NO_CTRL | Unicode::UTF8_NO_SPACE);
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}
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}
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#endif
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