Backward and forward compability...

1 files changed, 9 insertions, 3 deletions

diff --git a/core/launcher/transferserver.cpp b/core/launcher/transferserver.cpp
index 28b7b49..9d18b7b 100644
--- a/core/launcher/transferserver.cpp
+++ b/core/launcher/transferserver.cpp
@@ -1,689 +1,695 @@
 /**********************************************************************
 ** 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 <pwd.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <time.h>
 #include <shadow.h>
 
 extern "C" {
 #include <uuid/uuid.h>
 #define UUID_H_INCLUDED
 }
 
 #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 <qpe/qcopchannel_qws.h>
 #include <qpe/process.h>
 #include <qpe/global.h>
 #include <qpe/config.h>
 #include <qpe/contact.h>
 #include <qpe/quuid.h>
 #include <qpe/version.h>
 #ifdef QWS
 #include <qpe/qcopenvelope_qws.h>
 #endif
 
 #include "transferserver.h"
 #include "qprocess.h"
 
 const int block_size = 51200;
 
 TransferServer::TransferServer( Q_UINT16 port, QObject *parent ,
         const char* name )
     : QServerSocket( port, 1, parent, name )
 {
     if ( !ok() )
   qWarning( "Failed to bind to port %d", port );
 }
 
 TransferServer::~TransferServer()
 {
 
 }
 
 void TransferServer::newConnection( int socket )
 {
     (void) new ServerPI( socket, this );
 }
 
 QString SyncAuthentication::serverId()
 {
     Config cfg("Security");
     cfg.setGroup("Sync");
     QString r=cfg.readEntry("serverid");
     if ( r.isEmpty() ) {
   uuid_t uuid;
   uuid_generate( uuid );
   cfg.writeEntry("serverid",(r = QUuid( uuid ).toString()));
     }
     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 SyncAuthentication::loginName()
 {
     struct passwd *pw;
     pw = getpwuid( geteuid() );
     return QString::fromLocal8Bit( pw->pw_name );
 }
 
 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::warning( 0,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."),
     tr("Deny") );
       denials++;
       lastdenial=now;
   }
   return FALSE;
     }
 
     // Second, check sync password...
-    if ( password.left(6) == "rootme" ) {
-          // fuckin TT gave us the wrong sync password.
-          // what a dumbassed password is rootme anyway.
+    QString pass = password.left(6);
+    /* old QtopiaDesktops are sending 
+     * rootme newer versions got a Qtopia
+     * prefixed. Qtopia prefix will suceed
+     * until the sync software syncs up
+     * FIXME
+     */
+    if ( pass == "rootme" || pass == "Qtopia") {
+          
   QString cpassword = QString::fromLocal8Bit( crypt( password.mid(8).local8Bit(), "qp" ) );
   Config cfg("Security");
   cfg.setGroup("Sync");
   QString pwds = cfg.readEntry("Passwords");
   if ( QStringList::split(QChar(' '),pwds).contains(cpassword) )
       return TRUE;
 
   // Unrecognized system. Be careful...
 
   if ( (denials > 2 && now < lastdenial+600)
       || QMessageBox::warning(0,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."),
     tr("Allow"),tr("Deny"))==1 )
   {
       denials++;
       lastdenial=now;
       return FALSE;
   } else {
       denials=0;
       cfg.writeEntry("Passwords",pwds+" "+cpassword);
       return TRUE;
   }
     }
 
     return FALSE;
 }
 
 ServerPI::ServerPI( int socket, QObject *parent , const char* name  )
     : QSocket( parent, name ) , dtp( 0 ), serversocket( 0 ), waitsocket( 0 )
 {
     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" );
   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()
 {
 
 }
 
 void ServerPI::connectionClosed()
 {
     // qDebug( "Debug: Connection closed" );
     delete 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!" );
   delete this;
   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" );
       return;
   }
   send( "331 User name ok, need password" );
   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" );
       return;
   }
   send( "230 User logged in, proceed" );
   state = Ready;
   return;
     }
 
     // ACCESS CONTROL COMMANDS
 
 
     // account (ACCT)
     if ( cmd == "ACCT" ) {
   // even wu-ftp does not support it
   send( "502 Command not implemented" );
     }
 
     // change working directory (CWD)
     else if ( cmd == "CWD" ) {
 
   if ( !args.isEmpty() ) {
       if ( directory.cd( args, TRUE ) )
     send( "250 Requested file action okay, completed" );
       else
     send( "550 Requested action not taken" );
   }
   else
       send( "500 Syntax error, command unrecognized" );
     }
 
     // change to parent directory (CDUP)
     else if ( cmd == "CDUP" ) {
   if ( directory.cdUp() )
       send( "250 Requested file action okay, completed" );
   else
       send( "550 Requested action not taken" );
     }
 
     // structure mount (SMNT)
     else if ( cmd == "SMNT" ) {
   // even wu-ftp does not support it
   send( "502 Command not implemented" );
     }
 
     // reinitialize (REIN)
     else if ( cmd == "REIN" ) {
   // even wu-ftp does not support it
   send( "502 Command not implemented" );
     }
 
 
     // TRANSFER PARAMETER COMMANDS
 
 
     // data port (PORT)
     else if ( cmd == "PORT" ) {
   if ( parsePort( arg ) )
       send( "200 Command okay" );
   else
       send( "500 Syntax error, command unrecognized" );
     }
 
     // passive (PASV)
     else if ( cmd == "PASV" ) {
   passiv = TRUE;
   send( "227 Entering Passive Mode ("
         + 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" );
   else
       send( "504 Command not implemented for that parameter" );
     }
 
     // file structure (STRU)
     else if ( cmd == "STRU" ) {
   if ( arg.upper() == "F" )
       send( "200 Command okay" );
   else
       send( "504 Command not implemented for that parameter" );
     }
 
     // transfer mode (MODE)
     else if ( cmd == "MODE" ) {
   if ( arg.upper() == "S" )
       send( "200 Command okay" );
   else
       send( "504 Command not implemented for that parameter" );
     }
 
 
     // FTP SERVICE COMMANDS
 
 
     // retrieve (RETR)
     else if ( cmd == "RETR" )
   if ( !args.isEmpty() && checkReadFile( absFilePath( args ) )
        || backupRestoreGzip( absFilePath( args ) ) ) {
       send( "150 File status okay" );
       sendFile( absFilePath( args ) );
   }
   else {
       qDebug("550 Requested action not taken");
       send( "550 Requested action not taken" );
   }
 
     // store (STOR)
     else if ( cmd == "STOR" )
   if ( !args.isEmpty() && checkWriteFile( absFilePath( args ) ) ) {
       send( "150 File status okay" );
       retrieveFile( absFilePath( args ) );
   }
   else
       send( "550 Requested action not taken" );
 
     // store unique (STOU)
     else if ( cmd == "STOU" ) {
   send( "502 Command not implemented" );
     }
 
     // append (APPE)
     else if ( cmd == "APPE" ) {
   send( "502 Command not implemented" );
     }
 
     // allocate (ALLO)
     else if ( cmd == "ALLO" ) {
   send( "200 Command okay" );
     }
 
     // restart (REST)
     else if ( cmd == "REST" ) {
   send( "502 Command not implemented" );
     }
 
     // rename from (RNFR)
     else if ( cmd == "RNFR" ) {
   renameFrom = QString::null;
   if ( args.isEmpty() )
       send( "500 Syntax error, command unrecognized" );
   else {
       QFile file( absFilePath( args ) );
       if ( file.exists() ) {
     send( "350 File exists, ready for destination name" );
     renameFrom = absFilePath( args );
       }
       else
     send( "550 Requested action not taken" );
   }
     }
 
     // rename to (RNTO)
     else if ( cmd == "RNTO" ) {
   if ( lastCommand != "RNFR" )
       send( "503 Bad sequence of commands" );
   else if ( args.isEmpty() )
       send( "500 Syntax error, command unrecognized" );
   else {
       QDir dir( absFilePath( args ) );
       if ( dir.rename( renameFrom, absFilePath( args ), TRUE ) )
     send( "250 Requested file action okay, completed." );
       else
     send( "550 Requested action not taken" );
   }
     }
 
     // abort (ABOR)
     else if ( cmd.contains( "ABOR" ) ) {
   dtp->close();
   if ( dtp->dtpMode() != ServerDTP::Idle )
       send( "426 Connection closed; transfer aborted" );
   else
       send( "226 Closing data connection" );
     }
 
     // delete (DELE)
     else if ( cmd == "DELE" ) {
   if ( args.isEmpty() )
       send( "500 Syntax error, command unrecognized" );
   else {
       QFile file( absFilePath( args ) ) ;
       if ( file.remove() ) {
     send( "250 Requested file action okay, completed" );
     QCopEnvelope e("QPE/System", "linkChanged(QString)" );
     e << file.name();
       } else {
     send( "550 Requested action not taken" );
       }
   }
     }
 
     // remove directory (RMD)
     else if ( cmd == "RMD" ) {
   if ( args.isEmpty() )
       send( "500 Syntax error, command unrecognized" );
   else {
       QDir dir;
       if ( dir.rmdir( absFilePath( args ), TRUE ) )
     send( "250 Requested file action okay, completed" );
       else
     send( "550 Requested action not taken" );
   }
     }
 
     // make directory (MKD)
     else if ( cmd == "MKD" ) {
   if ( args.isEmpty() ) {
       qDebug(" Error: no arg");
       send( "500 Syntax error, command unrecognized" );
   }
   else {
       QDir dir;
       if ( dir.mkdir( absFilePath( args ), TRUE ) )
     send( "250 Requested file action okay, completed." );
       else
     send( "550 Requested action not taken" );
   }
     }
 
     // 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" );
   else
       send( "500 Syntax error, command unrecognized" );
     }
 
     // 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" );
   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") )
       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" );
     }
 
     // site parameters (SITE)
     else if ( cmd == "SITE" ) {
   send( "502 Command not implemented" );
     }
 
     // system (SYST)
     else if ( cmd == "SYST" ) {
   send( "215 UNIX Type: L8" );
     }
 
     // status (STAT)
     else if ( cmd == "STAT" ) {
   send( "502 Command not implemented" );
     }
 
     // help (HELP )
     else if ( cmd == "HELP" ) {
   send( "502 Command not implemented" );
     }
 
     // noop (NOOP)
     else if ( cmd == "NOOP" ) {
   send( "200 Command okay" );
     }
 
     // not implemented
     else
   send( "502 Command not implemented" );
 
     lastCommand = cmd;
 }
 
 bool ServerPI::backupRestoreGzip( const QString &file )
 {
     return (file.find( "backup" ) != -1 &&
       file.findRev( ".tgz" ) == (int)file.length()-4 );
 }
 
 bool ServerPI::backupRestoreGzip( const QString &file, QStringList &targets )
 {
   if ( file.find( "backup" ) != -1 &&
        file.findRev( ".tgz" ) == (int)file.length()-4 ) {
       QFileInfo info( file );
       targets = info.dirPath( TRUE );
       qDebug("ServerPI::backupRestoreGzip for %s = %s", file.latin1(),
        targets.join(" ").latin1() );
       return true;
   }
   return false;
 }
 
 void ServerPI::sendFile( const QString& file )
 {
     if ( passiv ) {
   wait[SendFile] = TRUE;
   waitfile = file;
   if ( waitsocket )
       newConnection( waitsocket );