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-rw-r--r--lskat/lskat/KRSocket.cpp374
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diff --git a/lskat/lskat/KRSocket.cpp b/lskat/lskat/KRSocket.cpp
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+/***************************************************************************
+ KRSocket.cpp - description
+ -------------------
+ begin : Tue May 2 2000
+ copyright : (C) 2000 by Martin Heni
+ email : martin@heni-online.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program 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; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ ***************************************************************************/
+/***************************************************************************
+ FILENAME| - description
+ -------------------
+ begin : Tue Apr 4 2000
+ copyright : (C) |1995-2000 by Martin Heni
+ email : martin@heni-online.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program 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; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ ***************************************************************************/
+/*
+ * This file is part of the KDE libraries
+ * Copyright (C) 1997 Torben Weis (weis@kde.org)
+ *
+ * $Id$
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ **/
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+// on Linux/libc5, this includes linux/socket.h where SOMAXCONN is defined
+#include <sys/socket.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <sys/un.h>
+
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+
+#include "KRSocket.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+// defines MAXDNAME under Solaris
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <unistd.h>
+
+#ifdef HAVE_SYSENT_H
+#include <sysent.h>
+#endif
+
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+
+// Play it safe, use a reasonable default, if SOMAXCONN was nowhere defined.
+#ifndef SOMAXCONN
+#warning Your header files do not seem to support SOMAXCONN
+#define SOMAXCONN 5
+#endif
+
+#include <qsocketnotifier.h>
+
+#ifndef UNIX_PATH_MAX
+#define UNIX_PATH_MAX 108 // this is the value, I found under Linux
+#endif
+
+#include <kdebug.h>
+
+KRServerSocket::KRServerSocket( const char *_path, int optname, int value, int level) :
+ notifier( 0L ), sock( -1 )
+{
+ domain = PF_UNIX;
+
+ if ( !init ( _path,optname,value,level ) )
+ {
+ qFatal("Error constructing PF_UNIX domain server socket\n");
+ return;
+ }
+
+ notifier = new QSocketNotifier( sock, QSocketNotifier::Read );
+ connect( notifier, SIGNAL( activated(int) ), this, SLOT( slotAccept(int) ) );
+}
+
+KRServerSocket::KRServerSocket( const char *_path ) :
+ notifier( 0L ), sock( -1 )
+{
+ domain = PF_UNIX;
+
+ if ( !init ( _path ) )
+ {
+ qFatal("Error constructing PF_UNIX domain server socket\n");
+ return;
+ }
+
+ notifier = new QSocketNotifier( sock, QSocketNotifier::Read );
+ connect( notifier, SIGNAL( activated(int) ), this, SLOT( slotAccept(int) ) );
+}
+
+KRServerSocket::KRServerSocket( unsigned short int _port ) :
+ notifier( 0L ), sock( -1 )
+{
+ domain = PF_INET;
+
+ if ( !init ( _port ) )
+ {
+ // fatal("Error constructing\n");
+ return;
+ }
+
+ notifier = new QSocketNotifier( sock, QSocketNotifier::Read );
+ connect( notifier, SIGNAL( activated(int) ), this, SLOT( slotAccept(int) ) );
+}
+
+KRServerSocket::KRServerSocket( unsigned short int _port,int optname,int value,int level ) :
+ notifier( 0L ), sock( -1 )
+{
+ domain = PF_INET;
+
+ if ( !init ( _port,optname,value,level ) )
+ {
+ // fatal("Error constructing\n");
+ return;
+ }
+
+ notifier = new QSocketNotifier( sock, QSocketNotifier::Read );
+ connect( notifier, SIGNAL( activated(int) ), this, SLOT( slotAccept(int) ) );
+}
+
+bool KRServerSocket::init( const char *_path )
+{
+ return init(_path,0);
+}
+
+bool KRServerSocket::init( const char *_path,int optname,int value,int level )
+{
+ if ( domain != PF_UNIX )
+ return false;
+
+ int l = strlen( _path );
+ if ( l > UNIX_PATH_MAX - 1 )
+ {
+ kdWarning() << "Too long PF_UNIX domain name: " << _path << endl;
+ return false;
+ }
+
+ sock = ::socket( PF_UNIX, SOCK_STREAM, 0 );
+ if (sock < 0)
+ {
+ kdWarning() << "Could not create socket" << endl;
+ return false;
+ }
+ // Heni - 05042000
+ if (optname>0)
+ {
+ kde_socklen_t len=sizeof(value);
+ if (-1==setsockopt(sock,level,optname,(char*)&value,len ))
+ {
+ kdWarning() << "Could not set socket options." << endl;
+ }
+ }
+ // end Heni
+
+ unlink(_path );
+
+ struct sockaddr_un name;
+ name.sun_family = AF_UNIX;
+ strcpy( name.sun_path, _path );
+
+ if ( bind( sock, (struct sockaddr*) &name,sizeof( name ) ) < 0 )
+ {
+ kdWarning() << "Could not bind to socket." << endl;
+ ::close( sock );
+ sock = -1;
+ return false;
+ }
+
+ if ( chmod( _path, 0600) < 0 )
+ {
+ kdWarning() << "Could not setupt premissions for server socket." << endl;
+ ::close( sock );
+ sock = -1;
+ return false;
+ }
+
+ if ( listen( sock, SOMAXCONN ) < 0 )
+ {
+ kdWarning() << "Error listening on socket." << endl;
+ ::close( sock );
+ sock = -1;
+ return false;
+ }
+
+ return true;
+}
+
+bool KRServerSocket::init( unsigned short int _port )
+{
+ return init(_port,0);
+}
+bool KRServerSocket::init( unsigned short int _port,int optname,int value,int level )
+{
+ if (
+#ifdef INET6
+ ( domain != PF_INET6 ) &&
+#endif
+ ( domain != PF_INET ) )
+ return false;
+
+ sock = ::socket( domain, SOCK_STREAM, 0 );
+ if (sock < 0)
+ {
+ kdWarning() << "Could not create socket" << endl;
+ return false;
+ }
+ // Heni - 05042000
+ if (optname>0)
+ {
+ kde_socklen_t len=sizeof(value);
+ if (-1==setsockopt(sock,level,optname,(char*)&value,len ))
+ {
+ kdWarning() << "Could not set socket options." << endl;
+ }
+ }
+ // end Heni
+
+ if (domain == AF_INET) {
+
+ sockaddr_in name;
+
+ name.sin_family = domain;
+ name.sin_port = htons( _port );
+ name.sin_addr.s_addr = htonl(INADDR_ANY);
+
+ if ( bind( sock, (struct sockaddr*) &name,sizeof( name ) ) < 0 ) {
+ kdWarning() << "Could not bind to socket." << endl;
+ ::close( sock );
+ sock = -1;
+ return false;
+ }
+ }
+#ifdef INET6
+ else if (domain == AF_INET6) {
+ sockaddr_in6 name;
+
+ name.sin6_family = domain;
+ name.sin6_flowinfo = 0;
+ name.sin6_port = htons(_port);
+ memcpy(&name.sin6_addr, &in6addr_any, sizeof(in6addr_any));
+
+ if ( bind( sock, (struct sockaddr*) &name,sizeof( name ) ) < 0 ) {
+ kdWarning() << "Could not bind to socket!" << endl;
+ ::close( sock );
+ sock = -1;
+ return false;
+ }
+ }
+#endif
+
+ if ( listen( sock, SOMAXCONN ) < 0 )
+ {
+ kdWarning() << "Error listening on socket" << endl;
+ ::close( sock );
+ sock = -1;
+ return false;
+ }
+
+ return true;
+}
+
+unsigned short int KRServerSocket::port()
+{
+ if ( domain != PF_INET )
+ return false;
+
+ ksockaddr_in name; kde_socklen_t len = sizeof(name);
+ getsockname(sock, (struct sockaddr *) &name, &len);
+ return ntohs(get_sin_port(name));
+}
+
+unsigned long KRServerSocket::ipv4_addr()
+{
+ if ( domain != PF_INET )
+ return 0;
+
+ sockaddr_in name; kde_socklen_t len = sizeof(name);
+ getsockname(sock, (struct sockaddr *) &name, &len);
+ if (name.sin_family == AF_INET) // It's IPv4
+ return ntohl(name.sin_addr.s_addr);
+#ifdef INET6
+ else if (name.sin_family == AF_INET6) // It's IPv6 Ah.
+ return 0;
+#endif
+ else // We dunno what it is
+ return 0;
+}
+
+void KRServerSocket::slotAccept( int )
+{
+ if ( domain == PF_INET )
+ {
+ ksockaddr_in clientname;
+ int new_sock;
+
+ kde_socklen_t size = sizeof(clientname);
+
+ if ((new_sock = accept (sock, (struct sockaddr *) &clientname, &size)) < 0)
+ {
+ kdWarning() << "Error accepting" << endl;
+ return;
+ }
+
+ emit accepted( new KSocket( new_sock ) );
+ }
+ else if ( domain == PF_UNIX )
+ {
+ struct sockaddr_un clientname;
+ int new_sock;
+
+ kde_socklen_t size = sizeof(clientname);
+
+ if ((new_sock = accept (sock, (struct sockaddr *) &clientname, &size)) < 0)
+ {
+ kdWarning() << "Error accepting" << endl;
+ return;
+ }
+
+ emit accepted( new KSocket( new_sock ) );
+ }
+}
+
+KRServerSocket::~KRServerSocket()
+{
+ delete notifier;
+
+ close( sock );
+}
+
+#include "KRSocket.moc"
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