src/base/utils/net.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2016  Alexandr Milovantsev <dzmat@yandex.ru>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (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, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #pragma once
  30
  31 #include <optional>
  32
  33 #include <QtContainerFwd>
  34 #include <QHostAddress>
  35
  36 class QSslCertificate;
  37 class QSslKey;
  38 class QString;
  39
  40 namespace Utils::Net
  41 {
  42     // alias for `QHostAddress::parseSubnet()` return type
  43     using Subnet = QPair<QHostAddress, int>;
  44
  45     bool isValidIP(const QString &ip);
  46     std::optional<Subnet> parseSubnet(const QString &subnetStr);
  47     bool isLoopbackAddress(const QHostAddress &addr);
  48     bool isIPInSubnets(const QHostAddress &addr, const QVector<Subnet> &subnets);
  49     QString subnetToString(const Subnet &subnet);
  50     QHostAddress canonicalIPv6Addr(const QHostAddress &addr);
  51
  52     inline const int MAX_SSL_FILE_SIZE = 1024 * 1024;
  53     QList<QSslCertificate> loadSSLCertificate(const QByteArray &data);
  54     bool isSSLCertificatesValid(const QByteArray &data);
  55     QSslKey loadSSLKey(const QByteArray &data);
  56     bool isSSLKeyValid(const QByteArray &data);
  57 }