socket.h

/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2013, 2015-2016 Attila Molnar <[email protected]>
 *   Copyright (C) 2012-2013, 2017-2019 Sadie Powell <[email protected]>
 *   Copyright (C) 2012 Robby <[email protected]>
 *   Copyright (C) 2012 ChrisTX <[email protected]>
 *   Copyright (C) 2012 Adam <[email protected]>
 *   Copyright (C) 2009-2010 Daniel De Graaf <[email protected]>
 *   Copyright (C) 2008, 2010 Craig Edwards <[email protected]>
 *   Copyright (C) 2008 Pippijn van Steenhoven <[email protected]>
 *   Copyright (C) 2007-2008 Robin Burchell <[email protected]>
 *   Copyright (C) 2007 Dennis Friis <[email protected]>
 *
 * This file is part of InspIRCd.  InspIRCd 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, version 2.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
 
#pragma once
 
#ifndef _WIN32
 
#include <arpa/inet.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <unistd.h>
#include <fcntl.h>
#include <netdb.h>
 
#else
 
#include "inspircd_win32wrapper.h"
 
#endif
 
#include <cerrno>
 
/* Contains irc-specific definitions */
namespace irc
{
        namespace sockets
        {
                union CoreExport sockaddrs
                {
                        struct sockaddr sa;
                        struct sockaddr_in in4;
                        struct sockaddr_in6 in6;
                        struct sockaddr_un un;
                        int family() const;
                        socklen_t sa_size() const;
                        int port() const;
                        std::string addr() const;
                        std::string str() const;
                        bool operator==(const sockaddrs& other) const;
                        inline bool operator!=(const sockaddrs& other) const { return !(*this == other); }
                };
 
                struct CoreExport cidr_mask
                {
                        unsigned char type;
                        unsigned char length;
                        unsigned char bits[16];
 
                        cidr_mask() {}
                        cidr_mask(const std::string& mask);
                        cidr_mask(const irc::sockets::sockaddrs& addr, unsigned char len);
                        bool operator==(const cidr_mask& other) const;
                        bool operator<(const cidr_mask& other) const;
                        bool match(const irc::sockets::sockaddrs& addr) const;
                        std::string str() const;
                };
 
                CoreExport bool MatchCIDR(const std::string &address, const std::string &cidr_mask, bool match_with_username);
 
                CoreExport bool aptosa(const std::string& addr, int port, irc::sockets::sockaddrs& sa);
 
                CoreExport bool untosa(const std::string& path, irc::sockets::sockaddrs& sa);
 
                CoreExport bool isunix(const std::string& file);
        }
}
 
struct CoreExport FailedPort
{
        int error;
 
        irc::sockets::sockaddrs sa;
 
        ConfigTag* tag;
 
        FailedPort(int err, irc::sockets::sockaddrs& ep, ConfigTag* cfg)
                : error(err)
                , sa(ep)
                , tag(cfg)
        {
        }
};
 
typedef std::vector<FailedPort> FailedPortList;
 
#include "socketengine.h"
 
class CoreExport ListenSocket : public EventHandler
{
 public:
        reference<ConfigTag> bind_tag;
        const irc::sockets::sockaddrs bind_sa;
 
        class IOHookProvRef : public dynamic_reference_nocheck<IOHookProvider>
        {
         public:
                IOHookProvRef()
                        : dynamic_reference_nocheck<IOHookProvider>(NULL, std::string())
                {
                }
        };
 
        typedef TR1NS::array<IOHookProvRef, 2> IOHookProvList;
 
        IOHookProvList iohookprovs;
 
        ListenSocket(ConfigTag* tag, const irc::sockets::sockaddrs& bind_to);
        ~ListenSocket();
 
        void OnEventHandlerRead() CXX11_OVERRIDE;
 
        void ResetIOHookProvider();
};