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375 lines
9.7 KiB
375 lines
9.7 KiB
/***************************************************************************
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KRSocket.cpp - description
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-------------------
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begin : Tue May 2 2000
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copyright : (C) 2000 by Martin Heni
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email : martin@heni-online.de
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***************************************************************************/
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/***************************************************************************
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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; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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/***************************************************************************
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FILENAME| - description
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-------------------
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begin : Tue Apr 4 2000
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copyright : (C) |1995-2000 by Martin Heni
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email : martin@heni-online.de
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***************************************************************************/
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/***************************************************************************
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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; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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/*
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* This file is part of the KDE libraries
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* Copyright (C) 1997 Torben Weis (weis@kde.org)
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*
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* $Id$
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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// on Linux/libc5, this includes linux/socket.h where SOMAXCONN is defined
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#include <sys/socket.h>
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#include <sys/resource.h>
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#include <sys/time.h>
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#include <sys/un.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "KRSocket.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <netdb.h>
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// defines MAXDNAME under Solaris
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#include <arpa/nameser.h>
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#include <resolv.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include <unistd.h>
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#ifdef HAVE_SYSENT_H
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#include <sysent.h>
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#endif
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#ifdef TIME_WITH_SYS_TIME
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#include <time.h>
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#endif
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// Play it safe, use a reasonable default, if SOMAXCONN was nowhere defined.
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#ifndef SOMAXCONN
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#warning Your header files do not seem to support SOMAXCONN
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#define SOMAXCONN 5
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#endif
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#include <tqsocketnotifier.h>
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#ifndef UNIX_PATH_MAX
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#define UNIX_PATH_MAX 108 // this is the value, I found under Linux
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#endif
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#include <kdebug.h>
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KRServerSocket::KRServerSocket( const char *_path, int optname, int value, int level) :
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notifier( 0L ), sock( -1 )
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{
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domain = PF_UNIX;
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if ( !init ( _path,optname,value,level ) )
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{
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tqFatal("Error constructing PF_UNIX domain server socket\n");
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return;
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}
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notifier = new TQSocketNotifier( sock, TQSocketNotifier::Read );
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connect( notifier, TQ_SIGNAL( activated(int) ), this, TQ_SLOT( slotAccept(int) ) );
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}
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KRServerSocket::KRServerSocket( const char *_path ) :
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notifier( 0L ), sock( -1 )
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{
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domain = PF_UNIX;
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if ( !init ( _path ) )
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{
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tqFatal("Error constructing PF_UNIX domain server socket\n");
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return;
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}
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notifier = new TQSocketNotifier( sock, TQSocketNotifier::Read );
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connect( notifier, TQ_SIGNAL( activated(int) ), this, TQ_SLOT( slotAccept(int) ) );
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}
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KRServerSocket::KRServerSocket( unsigned short int _port ) :
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notifier( 0L ), sock( -1 )
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{
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domain = PF_INET;
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if ( !init ( _port ) )
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{
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// fatal("Error constructing\n");
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return;
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}
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notifier = new TQSocketNotifier( sock, TQSocketNotifier::Read );
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connect( notifier, TQ_SIGNAL( activated(int) ), this, TQ_SLOT( slotAccept(int) ) );
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}
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KRServerSocket::KRServerSocket( unsigned short int _port,int optname,int value,int level ) :
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notifier( 0L ), sock( -1 )
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{
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domain = PF_INET;
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if ( !init ( _port,optname,value,level ) )
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{
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// fatal("Error constructing\n");
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return;
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}
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notifier = new TQSocketNotifier( sock, TQSocketNotifier::Read );
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connect( notifier, TQ_SIGNAL( activated(int) ), this, TQ_SLOT( slotAccept(int) ) );
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}
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bool KRServerSocket::init( const char *_path )
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{
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return init(_path,0);
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}
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bool KRServerSocket::init( const char *_path,int optname,int value,int level )
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{
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if ( domain != PF_UNIX )
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return false;
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int l = strlen( _path );
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if ( l > UNIX_PATH_MAX - 1 )
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{
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kdWarning() << "Too long PF_UNIX domain name: " << _path << endl;
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return false;
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}
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sock = ::socket( PF_UNIX, SOCK_STREAM, 0 );
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if (sock < 0)
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{
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kdWarning() << "Could not create socket" << endl;
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return false;
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}
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// Heni - 05042000
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if (optname>0)
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{
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socklen_t len=sizeof(value);
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if (-1==setsockopt(sock,level,optname,(char*)&value,len ))
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{
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kdWarning() << "Could not set socket options." << endl;
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}
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}
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// end Heni
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unlink(_path );
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struct sockaddr_un name;
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name.sun_family = AF_UNIX;
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strcpy( name.sun_path, _path );
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if ( bind( sock, (struct sockaddr*) &name,sizeof( name ) ) < 0 )
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{
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kdWarning() << "Could not bind to socket." << endl;
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::close( sock );
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sock = -1;
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return false;
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}
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if ( chmod( _path, 0600) < 0 )
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{
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kdWarning() << "Could not setupt premissions for server socket." << endl;
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::close( sock );
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sock = -1;
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return false;
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}
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if ( listen( sock, SOMAXCONN ) < 0 )
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{
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kdWarning() << "Error listening on socket." << endl;
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::close( sock );
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sock = -1;
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return false;
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}
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return true;
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}
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bool KRServerSocket::init( unsigned short int _port )
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{
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return init(_port,0);
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}
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bool KRServerSocket::init( unsigned short int _port,int optname,int value,int level )
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{
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if (
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#ifdef INET6
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( domain != PF_INET6 ) &&
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#endif
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( domain != PF_INET ) )
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return false;
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sock = ::socket( domain, SOCK_STREAM, 0 );
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if (sock < 0)
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{
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kdWarning() << "Could not create socket" << endl;
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return false;
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}
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// Heni - 05042000
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if (optname>0)
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{
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socklen_t len=sizeof(value);
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if (-1==setsockopt(sock,level,optname,(char*)&value,len ))
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{
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kdWarning() << "Could not set socket options." << endl;
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}
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}
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// end Heni
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if (domain == AF_INET) {
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sockaddr_in name;
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name.sin_family = domain;
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name.sin_port = htons( _port );
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name.sin_addr.s_addr = htonl(INADDR_ANY);
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if ( bind( sock, (struct sockaddr*) &name,sizeof( name ) ) < 0 ) {
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kdWarning() << "Could not bind to socket." << endl;
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::close( sock );
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sock = -1;
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return false;
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}
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}
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#ifdef INET6
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else if (domain == AF_INET6) {
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sockaddr_in6 name;
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name.sin6_family = domain;
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name.sin6_flowinfo = 0;
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name.sin6_port = htons(_port);
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memcpy(&name.sin6_addr, &in6addr_any, sizeof(in6addr_any));
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if ( bind( sock, (struct sockaddr*) &name,sizeof( name ) ) < 0 ) {
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kdWarning() << "Could not bind to socket!" << endl;
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::close( sock );
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sock = -1;
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return false;
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}
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}
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#endif
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if ( listen( sock, SOMAXCONN ) < 0 )
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{
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kdWarning() << "Error listening on socket" << endl;
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::close( sock );
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sock = -1;
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return false;
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}
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return true;
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}
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unsigned short int KRServerSocket::port()
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{
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if ( domain != PF_INET )
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return false;
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ksockaddr_in name; socklen_t len = sizeof(name);
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getsockname(sock, (struct sockaddr *) &name, &len);
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return ntohs(get_sin_port(name));
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}
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unsigned long KRServerSocket::ipv4_addr()
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{
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if ( domain != PF_INET )
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return 0;
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sockaddr_in name; socklen_t len = sizeof(name);
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getsockname(sock, (struct sockaddr *) &name, &len);
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if (name.sin_family == AF_INET) // It's IPv4
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return ntohl(name.sin_addr.s_addr);
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#ifdef INET6
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else if (name.sin_family == AF_INET6) // It's IPv6 Ah.
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return 0;
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#endif
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else // We dunno what it is
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return 0;
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}
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void KRServerSocket::slotAccept( int )
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{
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if ( domain == PF_INET )
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{
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ksockaddr_in clientname;
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int new_sock;
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socklen_t size = sizeof(clientname);
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if ((new_sock = accept (sock, (struct sockaddr *) &clientname, &size)) < 0)
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{
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kdWarning() << "Error accepting" << endl;
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return;
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}
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emit accepted( new TDESocket( new_sock ) );
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}
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else if ( domain == PF_UNIX )
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{
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struct sockaddr_un clientname;
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int new_sock;
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socklen_t size = sizeof(clientname);
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if ((new_sock = accept (sock, (struct sockaddr *) &clientname, &size)) < 0)
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{
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kdWarning() << "Error accepting" << endl;
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return;
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}
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emit accepted( new TDESocket( new_sock ) );
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}
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}
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KRServerSocket::~KRServerSocket()
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{
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delete notifier;
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close( sock );
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}
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#include "KRSocket.moc"
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