Initial revision

1 files changed, 416 insertions, 0 deletions

diff --git a/core/launcher/qcopbridge.cpp b/core/launcher/qcopbridge.cpp
new file mode 100644
index 0000000..c78e827
--- a/dev/null
+++ b/core/launcher/qcopbridge.cpp
@@ -0,0 +1,416 @@
+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include "qcopbridge.h"
+#include "transferserver.h"
+
+#include <qpe/qcopenvelope_qws.h>
+#include <qpe/qpeapplication.h>
+
+#include <qdir.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qdatastream.h>
+#include <qstringlist.h>
+#include <qfileinfo.h>
+#include <qregexp.h>
+#include <qcopchannel_qws.h>
+
+#define _XOPEN_SOURCE
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#if defined(_OS_LINUX_)
+#include <shadow.h>
+#endif
+
+//#define INSECURE
+
+const int block_size = 51200;
+
+QCopBridge::QCopBridge( Q_UINT16 port, QObject *parent = 0,
+        const char* name = 0)
+    : QServerSocket( port, 1, parent, name ),
+      desktopChannel( 0 ),
+      cardChannel( 0 )
+{
+    if ( !ok() )
+	qWarning( "Failed to bind to port %d", port );
+    else {
+	desktopChannel = new QCopChannel( "QPE/Desktop", this );
+	connect( desktopChannel, SIGNAL(received(const QCString &, const QByteArray &)),
+		 this, SLOT(desktopMessage( const QCString &, const QByteArray &)) );
+	cardChannel = new QCopChannel( "QPE/Card", this );
+	connect( cardChannel, SIGNAL(received(const QCString &, const QByteArray &)),
+		 this, SLOT(desktopMessage( const QCString &, const QByteArray &)) );
+    }
+    sendSync = FALSE;
+}
+
+QCopBridge::~QCopBridge()
+{
+    delete desktopChannel;
+}
+
+void QCopBridge::newConnection( int socket )
+{
+    QCopBridgePI *pi = new QCopBridgePI( socket, this );
+    openConnections.append( pi );
+    connect ( pi, SIGNAL( connectionClosed( QCopBridgePI *) ), this, SLOT( connectionClosed( QCopBridgePI *) ) );
+    QCopEnvelope( "QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::DisableSuspend;
+    
+    if ( sendSync ) {
+	pi ->startSync();
+	sendSync = FALSE;
+    }
+}
+
+void QCopBridge::connectionClosed( QCopBridgePI *pi )
+{
+    openConnections.remove( pi );
+    if ( openConnections.count() == 0 ) {
+	QCopEnvelope( "QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Enable;
+    }
+}    
+
+void QCopBridge::closeOpenConnections()
+{
+    QCopBridgePI *pi;
+    for ( pi = openConnections.first(); pi != 0; pi = openConnections.next() )
+	pi->close();
+}
+
+
+void QCopBridge::desktopMessage( const QCString &command, const QByteArray &args )
+{
+    command.stripWhiteSpace();
+
+    int paren = command.find( "(" );
+    if ( paren <= 0 ) {
+	qDebug("DesktopMessage: bad qcop syntax");
+	return;
+    }
+
+    QString params = command.mid( paren + 1 );
+    if ( params[params.length()-1] != ')' ) {
+	qDebug("DesktopMessage: bad qcop syntax");
+	return;
+    }
+
+    params.truncate( params.length()-1 );
+
+    QStringList paramList = QStringList::split( ",", params );
+    QString data;
+    if ( paramList.count() ) {
+	QDataStream stream( args, IO_ReadOnly );
+	for ( QStringList::Iterator it = paramList.begin(); it != paramList.end(); ++it ) {
+	    QString str;
+	    if ( *it == "QString" ) {
+		stream >> str;
+	    } else if ( *it == "QCString" ) {
+		QCString cstr;
+		stream >> cstr;
+		str = QString::fromLocal8Bit( cstr );
+	    } else if ( *it == "int" ) {
+		int i;
+		stream >> i;
+		str = QString::number( i );
+	    } else if ( *it == "bool" ) {
+		int i;
+		stream >> i;
+		str = QString::number( i );
+	    } else {
+		qDebug(" cannot route the argument type %s throught the qcop bridge", (*it).latin1() );
+		return;
+	    }
+	    str.replace( QRegExp("&"), "&amp;" );
+	    str.replace( QRegExp(" "), "&0x20;" );
+	    str.replace( QRegExp("\n"), "&0x0d;" );
+	    str.replace( QRegExp("\r"), "&0x0a;" );
+	    data += " " + str;
+	}
+    }
+    QString sendCommand = QString(command.data()) + data;
+    // send the command to all open connections
+    if ( command == "startSync()" ) {
+	// we need to buffer it a bit
+	sendSync = TRUE;
+	startTimer( 20000 );
+    }  
+    
+    QCopBridgePI *pi;
+    for ( pi = openConnections.first(); pi != 0; pi = openConnections.next() ) {
+	pi->sendDesktopMessage( sendCommand );
+    }
+}
+
+void QCopBridge::timerEvent( QTimerEvent * )
+{
+    sendSync = FALSE;
+    killTimers();
+}
+
+
+QCopBridgePI::QCopBridgePI( int socket, QObject *parent = 0, const char* name = 0 )
+    : QSocket( parent, name ) 
+{
+    setSocket( socket );
+
+    peerport = peerPort();
+    peeraddress = peerAddress();
+
+#ifndef INSECURE
+    if ( !accessAuthorized(peeraddress) ) {
+	state = Forbidden;
+	startTimer( 0 );
+    } else 
+#endif	
+    {
+	state = Connected;
+	sendSync = FALSE;
+	connect( this, SIGNAL( readyRead() ), SLOT( read() ) );
+	connect( this, SIGNAL( connectionClosed() ), SLOT( connectionClosed() ) );
+
+	send( "220 Qtopia QCop bridge ready!" );
+	state = Wait_USER;
+
+	// idle timer to close connections when not used anymore
+	startTimer( 60000 );
+	connected = TRUE;
+    }
+}
+
+
+QCopBridgePI::~QCopBridgePI()
+{
+
+}
+
+void QCopBridgePI::connectionClosed()
+{
+    emit connectionClosed( this );
+    // qDebug( "Debug: Connection closed" );
+    delete this;
+}
+
+void QCopBridgePI::sendDesktopMessage( const QString &msg )
+{
+    QString str = "CALL QPE/Desktop " + msg;
+    send ( str );
+}
+
+
+void QCopBridgePI::send( const QString& msg )
+{
+    QTextStream os( this );
+    os << msg << endl;
+    //qDebug( "sending qcop message: %s", msg.latin1() );
+}
+
+void QCopBridgePI::read()
+{
+    while ( canReadLine() )
+	process( readLine().stripWhiteSpace() );
+}
+
+bool QCopBridgePI::checkUser( const QString& user )
+{
+    if ( user.isEmpty() ) return FALSE;
+
+    struct passwd *pw;
+    pw = getpwuid( geteuid() );
+    QString euser = QString::fromLocal8Bit( pw->pw_name );
+    return user == euser;
+}
+
+bool QCopBridgePI::checkPassword( const QString& password )
+{
+    // ### HACK for testing on local host
+    return true;
+
+    /*
+    struct passwd *pw = 0;
+    struct spwd *spw = 0;
+
+    pw = getpwuid( geteuid() );
+    spw = getspnam( pw->pw_name );
+
+    QString cpwd = QString::fromLocal8Bit( pw->pw_passwd );
+    if ( cpwd == "x" && spw )
+	cpwd = QString::fromLocal8Bit( spw->sp_pwdp );
+
+    QString cpassword = QString::fromLocal8Bit( crypt( password.local8Bit(), cpwd.local8Bit() ) );
+    return cpwd == cpassword;
+*/
+}
+
+void QCopBridgePI::process( const QString& message )
+{
+    //qDebug( "Command: %s", message.latin1() );
+
+    // split message using "," as separator
+    QStringList msg = QStringList::split( " ", message );
+    if ( msg.isEmpty() ) return;
+
+    // command token
+    QString cmd = msg[0].upper();
+
+    // argument token
+    QString arg;
+    if ( msg.count() >= 2 )
+	arg = msg[1];
+    
+    // we always respond to QUIT, regardless of state
+    if ( cmd == "QUIT" ) {
+	send( "211 Have a nice day!" );
+	delete this;
+	return;
+    }
+
+    // connected to client
+    if ( Connected == state )
+	return;
+
+    // waiting for user name
+    if ( Wait_USER == state ) {
+
+	if ( cmd != "USER" || msg.count() < 2 || !checkUser( arg ) ) {
+	    send( "530 Please login with USER and PASS" );
+	    return;
+	}
+	send( "331 User name ok, need password" );
+	state = Wait_PASS;
+	return;
+    }
+
+    // waiting for password
+    if ( Wait_PASS == state ) {
+
+	if ( cmd != "PASS" || !checkPassword( arg ) ) {
+	//if ( cmd != "PASS" || msg.count() < 2 || !checkPassword( arg ) ) {
+	    send( "530 Please login with USER and PASS" );
+	    return;
+	}
+	send( "230 User logged in, proceed" );
+	state = Ready;
+	if ( sendSync ) {
+	    sendDesktopMessage( "startSync()" );
+	    sendSync = FALSE;
+	}
+	return;
+    }
+
+    // noop (NOOP)
+    else if ( cmd == "NOOP" ) {
+	connected = TRUE;
+	send( "200 Command okay" );
+    }
+    
+    // call (CALL)
+    else if ( cmd == "CALL" ) {
+
+	// example: call QPE/System execute(QString) addressbook
+
+	if ( msg.count() < 3 ) {
+	    send( "500 Syntax error, command unrecognized" );
+	}
+	else {
+
+	    QString channel = msg[1];
+	    QString command = msg[2];
+
+	    command.stripWhiteSpace();
+
+	    int paren = command.find( "(" );
+	    if ( paren <= 0 ) {
+		send( "500 Syntax error, command unrecognized" );
+		return;
+	    }
+
+	    QString params = command.mid( paren + 1 );
+	    if ( params[params.length()-1] != ')' ) {
+		send( "500 Syntax error, command unrecognized" );
+		return;
+	    }
+
+	    params.truncate( params.length()-1 );
+	    QByteArray buffer;
+	    QDataStream ds( buffer, IO_WriteOnly );
+
+	    int msgId = 3;
+
+	    QStringList paramList = QStringList::split( ",", params );
+	    if ( paramList.count() > msg.count() - 3 ) {
+		send( "500 Syntax error, command unrecognized" );
+		return;
+	    }
+
+	    for ( QStringList::Iterator it = paramList.begin(); it != paramList.end(); ++it ) {
+
+		QString arg = msg[msgId];
+		arg.replace( QRegExp("&0x20;"), " " );
+		arg.replace( QRegExp("&amp;"), "&" );
+		arg.replace( QRegExp("&0x0d;"), "\n" );
+		arg.replace( QRegExp("&0x0a;"), "\r" );
+		if ( *it == "QString" )
+		    ds << arg;
+		else if ( *it == "QCString" )
+		    ds << arg.local8Bit();
+		else if ( *it == "int" )
+		    ds << arg.toInt();
+		else if ( *it == "bool" )
+		    ds << arg.toInt();
+		else {
+		    send( "500 Syntax error, command unrecognized" );
+		    return;
+		}
+		msgId++;
+	    }
+
+	    if ( !QCopChannel::isRegistered( channel.latin1() ) ) {
+		// send message back about it
+		QString answer = "599 ChannelNotRegistered " + channel;
+		send( answer );
+		return;
+	    }
+	    
+	    if ( paramList.count() )
+		QCopChannel::send( channel.latin1(), command.latin1(), buffer );
+	    else
+		QCopChannel::send( channel.latin1(), command.latin1() );
+
+	    send( "200 Command okay" );
+	}
+    }
+    // not implemented
+    else
+	send( "502 Command not implemented" );
+}
+
+
+
+void QCopBridgePI::timerEvent( QTimerEvent * )
+{
+    if ( connected )
+	connected = FALSE;
+    else
+	connectionClosed();
+}