105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
/**
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* hermes antispam proxy
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* Copyright (C) 2006, 2007 Juan José Gutiérrez de Quevedo <juanjo@gutierrezdequevedo.com>
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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 General Public License as published by
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* the Free Software Foundation; version 2 of the License
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* @author Juan José Gutiérrez de Quevedo <juanjo@gutierrezdequevedo.com>
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*/
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#ifndef SOCKET_H
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#define SOCKET_H
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#include "hermes.h"
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#include <iostream>
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#include <string>
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#include <sstream>
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#include <sys/types.h>
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#ifdef WIN32
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#ifndef AI_ADDRCONFIG
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#define AI_ADDRCONFIG 0 //if the windows we are compiling at is old, define it as 0
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#endif //AI_ADDRCONFIG
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#else
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#include <sys/socket.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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#endif //WIN32
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#include <errno.h>
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#ifdef HAVE_SSL
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#include <openssl/ssl.h>
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#endif //HAVE_SSL
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//this is a bit of a hack
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//if a system doesn't have MSG_NOSIGNAL then we define it as 0 (that is, no options selected)
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//I've tried this on Solaris and NetBSD and it seems to work. Still, recheck in the future (TODO)
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#ifndef MSG_NOSIGNAL
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#define MSG_NOSIGNAL 0
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#endif //MSG_NOSIGNAL
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#include "Configfile.h"
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#include "Utils.h"
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using namespace std;
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/**
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* implements a socket class independent of operating system and that supports ssl
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*/
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class Socket
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{
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protected:
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int fd;
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private:
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// bool closed;
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static int created_sockets;
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#ifdef HAVE_SSL
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bool ssl_enabled;
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SSL *ssl;
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static SSL_CTX *ssl_ctx_client;
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static SSL_CTX *ssl_ctx_server;
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#endif //HAVE_SSL
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public:
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Socket();
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~Socket();
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#ifdef HAVE_SSL
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void prepareSSL(bool);
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void startSSL(bool);
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#endif //HAVE_SSL
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void setFD(int);
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bool canRead(float);
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bool connect(string,unsigned int);
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int getFD();
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static struct sockaddr resolve(string);
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static string resolveToString(string);
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static string resolveInverselyToString(string);
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void init();
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void close();
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//reading and writing
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char readByte();
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ssize_t readBytes(void *,ssize_t);
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string readLine();
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void writeByte(char);
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void writeBytes(void *,ssize_t);
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void writeLine(string);
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bool isClosed();
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void setTimeout(float,float);
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};
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#endif //SOCKET_H
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