| -rw-r--r-- | core/launcher/transferserver.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/core/launcher/transferserver.cpp b/core/launcher/transferserver.cpp index 371400e..fde6f8b 100644 --- a/core/launcher/transferserver.cpp +++ b/core/launcher/transferserver.cpp @@ -1,732 +1,736 @@ /********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the 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. ** **********************************************************************/ //#define _XOPEN_SOURCE #include <qtopia/global.h> #include <qtopia/qpeapplication.h> #ifndef Q_OS_WIN32 #include <pwd.h> #include <sys/types.h> #include <unistd.h> #include <stdlib.h> #include <time.h> #include <shadow.h> #include <crypt.h> #else #include <stdlib.h> #include <time.h> #endif #if defined(_OS_LINUX_) #include <shadow.h> #endif #include <qdir.h> #include <qfile.h> #include <qtextstream.h> #include <qdatastream.h> #include <qmessagebox.h> #include <qstringlist.h> #include <qfileinfo.h> #include <qregexp.h> //#include <qtopia/qcopchannel_qws.h> #include <qtopia/process.h> #include <qtopia/global.h> #include <qtopia/config.h> #include <qtopia/private/contact.h> #include <qtopia/quuid.h> #include <qtopia/version.h> #ifdef Q_WS_QWS #include <qtopia/qcopenvelope_qws.h> #endif #include "launcherglobal.h" #include "transferserver.h" #include <qtopia/qprocess.h> const int block_size = 51200; TransferServer::TransferServer( Q_UINT16 port, QObject *parent, const char* name) : QServerSocket( port, 1, parent, name ) { connections.setAutoDelete( TRUE ); if ( !ok() ) qWarning( "Failed to bind to port %d", port ); } void TransferServer::authorizeConnections() { QListIterator<ServerPI> it(connections); while ( it.current() ) { if ( !it.current()->verifyAuthorised() ) { disconnect( it.current(), SIGNAL(connectionClosed(ServerPI *)), this, SLOT( closed(ServerPI *)) ); connections.removeRef( it.current() ); } else ++it; } } void TransferServer::closed(ServerPI *item) { connections.removeRef(item); } TransferServer::~TransferServer() { } void TransferServer::newConnection( int socket ) { ServerPI *ptr = new ServerPI( socket, this ); connect( ptr, SIGNAL(connectionClosed(ServerPI *)), this, SLOT( closed(ServerPI *)) ); connections.append( ptr ); } QString SyncAuthentication::serverId() { Config cfg("Security"); cfg.setGroup("Sync"); QString r = cfg.readEntry("serverid"); if ( r.isEmpty() ) { r = Opie::Global::uuid(); cfg.writeEntry("serverid", r ); } return r; } QString SyncAuthentication::ownerName() { QString vfilename = Global::applicationFileName("addressbook", "businesscard.vcf"); if (QFile::exists(vfilename)) { Contact c; c = Contact::readVCard( vfilename )[0]; return c.fullName(); } return QString::null; } QString SyncAuthentication::loginName() { struct passwd *pw = 0L; #ifndef Q_OS_WIN32 pw = getpwuid( geteuid() ); return QString::fromLocal8Bit( pw->pw_name ); #else //### revise return QString(); #endif } int SyncAuthentication::isAuthorized(QHostAddress peeraddress) { Config cfg("Security"); cfg.setGroup("Sync"); // QString allowedstr = cfg.readEntry("auth_peer","192.168.1.0"); uint auth_peer = cfg.readNumEntry("auth_peer", 0xc0a80100); // QHostAddress allowed; // allowed.setAddress(allowedstr); // uint auth_peer = allowed.ip4Addr(); uint auth_peer_bits = cfg.readNumEntry("auth_peer_bits", 24); uint mask = auth_peer_bits >= 32 // shifting by 32 is not defined ? 0xffffffff : (((1 << auth_peer_bits) - 1) << (32 - auth_peer_bits)); return (peeraddress.ip4Addr() & mask) == auth_peer; } bool SyncAuthentication::checkUser( const QString& user ) { if ( user.isEmpty() ) return FALSE; QString euser = loginName(); return user == euser; } bool SyncAuthentication::checkPassword( const QString& password ) { #ifdef ALLOW_UNIX_USER_FTP // First, check system password... 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 ); // Note: some systems use more than crypt for passwords. QString cpassword = QString::fromLocal8Bit( crypt( password.local8Bit(), cpwd.local8Bit() ) ); if ( cpwd == cpassword ) return TRUE; #endif static int lastdenial=0; static int denials=0; int now = time(0); // Detect old Qtopia Desktop (no password) if ( password.isEmpty() ) { if ( denials < 1 || now > lastdenial+600 ) { QMessageBox unauth( tr("Sync Connection"), tr("<p>An unauthorized system is requesting access to this device." "<p>If you are using a version of Qtopia Desktop older than 1.5.1, " "please upgrade."), QMessageBox::Warning, QMessageBox::Cancel, QMessageBox::NoButton, QMessageBox::NoButton, 0, QString::null, TRUE, WStyle_StaysOnTop); unauth.setButtonText(QMessageBox::Cancel, tr("Deny")); unauth.exec(); denials++; lastdenial=now; } return FALSE; } // Second, check sync password... static int lock=0; if ( lock ) return FALSE; ++lock; - if ( password.left(6) == "Qtopia" ) { + + /* + * we need to support old Sync software and QtopiaDesktop + */ + if ( password.left(6) == "Qtopia" || password.left(6) == "rootme" ) { Config cfg( QPEApplication::qpeDir()+"/etc/Security.conf", Config::File ); cfg.setGroup("Sync"); QStringList pwds = cfg.readListEntry("Passwords",' '); for (QStringList::ConstIterator it=pwds.begin(); it!=pwds.end(); ++it) { #ifndef Q_OS_WIN32 QString cpassword = QString::fromLocal8Bit( crypt( password.mid(8).local8Bit(), (*it).left(2).latin1() ) ); #else // ### revise QString cpassword(""); #endif if ( *it == cpassword ) { lock--; return TRUE; } } // Unrecognized system. Be careful... QMessageBox unrecbox( tr("Sync Connection"), tr( "<p>An unrecognized system is requesting access to this device." "<p>If you have just initiated a Sync for the first time, this is normal."), QMessageBox::Warning, QMessageBox::Cancel, QMessageBox::Yes, QMessageBox::NoButton, 0, QString::null, TRUE, WStyle_StaysOnTop); unrecbox.setButtonText(QMessageBox::Cancel, tr("Deny")); unrecbox.setButtonText(QMessageBox::Yes, tr("Allow")); if ( (denials > 2 && now < lastdenial+600) || unrecbox.exec() != QMessageBox::Yes) { denials++; lastdenial=now; lock--; return FALSE; } else { const char salty[]="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/."; char salt[2]; salt[0]= salty[rand() % (sizeof(salty)-1)]; salt[1]= salty[rand() % (sizeof(salty)-1)]; #ifndef Q_OS_WIN32 QString cpassword = QString::fromLocal8Bit( crypt( password.mid(8).local8Bit(), salt ) ); #else //### revise QString cpassword(""); #endif denials=0; pwds.prepend(cpassword); cfg.writeEntry("Passwords",pwds,' '); lock--; return TRUE; } } lock--; return FALSE; } ServerPI::ServerPI( int socket, QObject *parent, const char* name ) : QSocket( parent, name ) , dtp( 0 ), serversocket( 0 ), waitsocket( 0 ), storFileSize(-1) { state = Connected; setSocket( socket ); peerport = peerPort(); peeraddress = peerAddress(); #ifndef INSECURE if ( !SyncAuthentication::isAuthorized(peeraddress) ) { state = Forbidden; startTimer( 0 ); } else #endif { connect( this, SIGNAL( readyRead() ), SLOT( read() ) ); connect( this, SIGNAL( connectionClosed() ), SLOT( connectionClosed() ) ); passiv = FALSE; for( int i = 0; i < 4; i++ ) wait[i] = FALSE; send( "220 Qtopia " QPE_VERSION " FTP Server" ); // No tr state = Wait_USER; dtp = new ServerDTP( this ); connect( dtp, SIGNAL( completed() ), SLOT( dtpCompleted() ) ); connect( dtp, SIGNAL( failed() ), SLOT( dtpFailed() ) ); connect( dtp, SIGNAL( error( int ) ), SLOT( dtpError( int ) ) ); directory = QDir::currentDirPath(); static int p = 1024; while ( !serversocket || !serversocket->ok() ) { delete serversocket; serversocket = new ServerSocket( ++p, this ); } connect( serversocket, SIGNAL( newIncomming( int ) ), SLOT( newConnection( int ) ) ); } } ServerPI::~ServerPI() { close(); dtp->close(); delete dtp; delete serversocket; } bool ServerPI::verifyAuthorised() { if ( !SyncAuthentication::isAuthorized(peerAddress()) ) { state = Forbidden; return FALSE; } return TRUE; } void ServerPI::connectionClosed() { // qDebug( "Debug: Connection closed" ); emit connectionClosed(this); } void ServerPI::send( const QString& msg ) { QTextStream os( this ); os << msg << endl; //qDebug( "Reply: %s", msg.latin1() ); } void ServerPI::read() { while ( canReadLine() ) process( readLine().stripWhiteSpace() ); } bool ServerPI::checkReadFile( const QString& file ) { QString filename; if ( file[0] != "/" ) filename = directory.path() + "/" + file; else filename = file; QFileInfo fi( filename ); return ( fi.exists() && fi.isReadable() ); } bool ServerPI::checkWriteFile( const QString& file ) { QString filename; if ( file[0] != "/" ) filename = directory.path() + "/" + file; else filename = file; QFileInfo fi( filename ); if ( fi.exists() ) if ( !QFile( filename ).remove() ) return FALSE; return TRUE; } void ServerPI::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]; // full argument string QString args; if ( msg.count() >= 2 ) { QStringList copy( msg ); // FIXME: for Qt3 // copy.pop_front() copy.remove( copy.begin() ); args = copy.join( " " ); } //qDebug( "args: %s", args.latin1() ); // we always respond to QUIT, regardless of state if ( cmd == "QUIT" ) { send( "211 Good bye!" ); // No tr close(); return; } // connected to client if ( Connected == state ) return; // waiting for user name if ( Wait_USER == state ) { if ( cmd != "USER" || msg.count() < 2 || !SyncAuthentication::checkUser( arg ) ) { send( "530 Please login with USER and PASS" ); // No tr return; } send( "331 User name ok, need password" ); // No tr state = Wait_PASS; return; } // waiting for password if ( Wait_PASS == state ) { if ( cmd != "PASS" || !SyncAuthentication::checkPassword( arg ) ) { send( "530 Please login with USER and PASS" ); // No tr return; } send( "230 User logged in, proceed" ); // No tr state = Ready; return; } // ACCESS CONTROL COMMANDS // Only an ALLO sent immediately before STOR is valid. if ( cmd != "STOR" ) storFileSize = -1; // account (ACCT) if ( cmd == "ACCT" ) { // even wu-ftp does not support it send( "502 Command not implemented" ); // No tr } // change working directory (CWD) else if ( cmd == "CWD" ) { if ( !args.isEmpty() ) { if ( directory.cd( args, TRUE ) ) send( "250 Requested file action okay, completed" ); // No tr else send( "550 Requested action not taken" ); // No tr } else send( "500 Syntax error, command unrecognized" ); // No tr } // change to parent directory (CDUP) else if ( cmd == "CDUP" ) { if ( directory.cdUp() ) send( "250 Requested file action okay, completed" ); // No tr else send( "550 Requested action not taken" ); // No tr } // structure mount (SMNT) else if ( cmd == "SMNT" ) { // even wu-ftp does not support it send( "502 Command not implemented" ); // No tr } // reinitialize (REIN) else if ( cmd == "REIN" ) { // even wu-ftp does not support it send( "502 Command not implemented" ); // No tr } // TRANSFER PARAMETER COMMANDS // data port (PORT) else if ( cmd == "PORT" ) { if ( parsePort( arg ) ) send( "200 Command okay" ); // No tr else send( "500 Syntax error, command unrecognized" ); // No tr } // passive (PASV) else if ( cmd == "PASV" ) { passiv = TRUE; send( "227 Entering Passive Mode (" // No tr + address().toString().replace( QRegExp( "\\." ), "," ) + "," + QString::number( ( serversocket->port() ) >> 8 ) + "," + QString::number( ( serversocket->port() ) & 0xFF ) +")" ); } // representation type (TYPE) else if ( cmd == "TYPE" ) { if ( arg.upper() == "A" || arg.upper() == "I" ) send( "200 Command okay" ); // No tr else send( "504 Command not implemented for that parameter" ); // No tr } // file structure (STRU) else if ( cmd == "STRU" ) { if ( arg.upper() == "F" ) send( "200 Command okay" ); // No tr else send( "504 Command not implemented for that parameter" ); // No tr } // transfer mode (MODE) else if ( cmd == "MODE" ) { if ( arg.upper() == "S" ) send( "200 Command okay" ); // No tr else send( "504 Command not implemented for that parameter" ); // No tr } // FTP SERVICE COMMANDS // retrieve (RETR) else if ( cmd == "RETR" ) if ( !args.isEmpty() && checkReadFile( absFilePath( args ) ) || backupRestoreGzip( absFilePath( args ) ) ) { send( "150 File status okay" ); // No tr sendFile( absFilePath( args ) ); } else { qDebug("550 Requested action not taken"); send( "550 Requested action not taken" ); // No tr } // store (STOR) else if ( cmd == "STOR" ) if ( !args.isEmpty() && checkWriteFile( absFilePath( args ) ) ) { send( "150 File status okay" ); // No tr retrieveFile( absFilePath( args ) ); } else send( "550 Requested action not taken" ); // No tr // store unique (STOU) else if ( cmd == "STOU" ) { send( "502 Command not implemented" ); // No tr } // append (APPE) else if ( cmd == "APPE" ) { send( "502 Command not implemented" ); // No tr } // allocate (ALLO) else if ( cmd == "ALLO" ) { storFileSize = args.toInt(); send( "200 Command okay" ); // No tr } // restart (REST) else if ( cmd == "REST" ) { send( "502 Command not implemented" ); // No tr } // rename from (RNFR) else if ( cmd == "RNFR" ) { renameFrom = QString::null; if ( args.isEmpty() ) send( "500 Syntax error, command unrecognized" ); // No tr else { QFile file( absFilePath( args ) ); if ( file.exists() ) { send( "350 File exists, ready for destination name" ); // No tr renameFrom = absFilePath( args ); } else send( "550 Requested action not taken" ); // No tr } } // rename to (RNTO) else if ( cmd == "RNTO" ) { if ( lastCommand != "RNFR" ) send( "503 Bad sequence of commands" ); // No tr else if ( args.isEmpty() ) send( "500 Syntax error, command unrecognized" ); // No tr else { QDir dir( absFilePath( args ) ); if ( dir.rename( renameFrom, absFilePath( args ), TRUE ) ) send( "250 Requested file action okay, completed." ); // No tr else send( "550 Requested action not taken" ); // No tr } } // abort (ABOR) else if ( cmd.contains( "ABOR" ) ) { dtp->close(); if ( dtp->dtpMode() != ServerDTP::Idle ) send( "426 Connection closed; transfer aborted" ); // No tr else send( "226 Closing data connection" ); // No tr } // delete (DELE) else if ( cmd == "DELE" ) { if ( args.isEmpty() ) send( "500 Syntax error, command unrecognized" ); // No tr else { QFile file( absFilePath( args ) ) ; if ( file.remove() ) { send( "250 Requested file action okay, completed" ); // No tr QCopEnvelope e("QPE/System", "linkChanged(QString)" ); e << file.name(); } else { send( "550 Requested action not taken" ); // No tr } } } // remove directory (RMD) else if ( cmd == "RMD" ) { if ( args.isEmpty() ) send( "500 Syntax error, command unrecognized" ); // No tr else { QDir dir; if ( dir.rmdir( absFilePath( args ), TRUE ) ) send( "250 Requested file action okay, completed" ); // No tr else send( "550 Requested action not taken" ); // No tr } } // make directory (MKD) else if ( cmd == "MKD" ) { if ( args.isEmpty() ) { qDebug(" Error: no arg"); send( "500 Syntax error, command unrecognized" ); // No tr } else { QDir dir; if ( dir.mkdir( absFilePath( args ), TRUE ) ) send( "250 Requested file action okay, completed." ); // No tr else send( "550 Requested action not taken" ); // No tr } } // print working directory (PWD) else if ( cmd == "PWD" ) { send( "257 \"" + directory.path() +"\"" ); } // list (LIST) else if ( cmd == "LIST" ) { if ( sendList( absFilePath( args ) ) ) send( "150 File status okay" ); // No tr else send( "500 Syntax error, command unrecognized" ); // No tr } // size (SIZE) else if ( cmd == "SIZE" ) { QString filePath = absFilePath( args ); QFileInfo fi( filePath ); bool gzipfile = backupRestoreGzip( filePath ); if ( !fi.exists() && !gzipfile ) send( "500 Syntax error, command unrecognized" ); // No tr else { if ( !gzipfile ) send( "213 " + QString::number( fi.size() ) ); else { Process duproc( QString("du") ); duproc.addArgument("-s"); QString in, out; if ( !duproc.exec(in, out) ) { qDebug("du process failed; just sending back 1K"); send( "213 1024"); } else { QString size = out.left( out.find("\t") ); int guess = size.toInt()/5; if ( filePath.contains("doc") ) // No tr guess *= 1000; qDebug("sending back gzip guess of %d", guess); send( "213 " + QString::number(guess) ); } } } } // name list (NLST) else if ( cmd == "NLST" ) { send( "502 Command not implemented" ); // No tr } // site parameters (SITE) else if ( cmd == "SITE" ) { send( "502 Command not implemented" ); // No tr } // system (SYST) else if ( cmd == "SYST" ) { send( "215 UNIX Type: L8" ); // No tr } |