mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-20 12:12:15 +02:00
87 lines
2.5 KiB
C++
87 lines
2.5 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 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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//
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// Adapted from code Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// Common utility methods for HTTP classes
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#ifndef OPENVPN_HTTP_PARSEUTIL_H
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#define OPENVPN_HTTP_PARSEUTIL_H
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namespace openvpn {
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namespace HTTP {
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namespace Util {
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// Check if a byte is an HTTP character.
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inline bool is_char(const unsigned char c)
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{
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return c <= 127;
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}
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// Check if a byte is an HTTP control character.
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inline bool is_ctl(const unsigned char c)
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{
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return (c <= 31)|| (c == 127);
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}
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// Check if a byte is defined as an HTTP tspecial character.
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inline bool is_tspecial(const unsigned char c)
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{
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switch (c)
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{
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case '(': case ')': case '<': case '>': case '@':
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case ',': case ';': case ':': case '\\': case '"':
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case '/': case '[': case ']': case '?': case '=':
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case '{': case '}': case ' ': case '\t':
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return true;
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default:
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return false;
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}
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}
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// Check if a byte is a digit.
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inline bool is_digit(const unsigned char c)
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{
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return c >= '0' && c <= '9';
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}
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// Check if char should be URL-escaped
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inline bool is_escaped(const unsigned char c)
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{
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if (c >= 'a' && c <= 'z')
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return false;
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if (c >= 'A' && c <= 'Z')
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return false;
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if (c >= '0' && c <= '9')
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return false;
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if (c == '.' || c == '-' || c == '_')
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return false;
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return true;
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}
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}
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}
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}
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#endif
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