certmanager/lib

symcryptrunprocessbase.cpp

00001 /*
00002     symcryptrunbackend.cpp
00003 
00004     This file is part of libkleopatra, the KDE keymanagement library
00005     Copyright (c) 2005 Klarälvdalens Datakonsult AB
00006 
00007     Libkleopatra is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU General Public License as
00009     published by the Free Software Foundation; either version 2 of the
00010     License, or (at your option) any later version.
00011 
00012     Libkleopatra is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program; if not, write to the Free Software
00019     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021     In addition, as a special exception, the copyright holders give
00022     permission to link the code of this program with any edition of
00023     the Qt library by Trolltech AS, Norway (or with modified versions
00024     of Qt that use the same license as Qt), and distribute linked
00025     combinations including the two.  You must obey the GNU General
00026     Public License in all respects for all of the code used other than
00027     Qt.  If you modify this file, you may extend this exception to
00028     your version of the file, but you are not obligated to do so.  If
00029     you do not wish to do so, delete this exception statement from
00030     your version.
00031 */
00032 
00033 #include "symcryptrunprocessbase.h"
00034 
00035 #include <ktempfile.h>
00036 #include <kdebug.h>
00037 #include <kshell.h>
00038 
00039 #include <qtimer.h>
00040 #include <qfile.h>
00041 
00042 #include <cstring>
00043 
00044 Kleo::SymCryptRunProcessBase::SymCryptRunProcessBase( const QString & class_, const QString & program,
00045                                                       const QString & keyFile, const QString & options,
00046                                                       Operation mode,
00047                                                       QObject * parent, const char * name )
00048   : KProcess( parent, name ),
00049     mOperation( mode ), mOptions( options )
00050 {
00051   *this << "symcryptrun"
00052         << "--class" << class_
00053         << "--program" << program
00054         << "--keyfile" << keyFile
00055         << ( mode == Encrypt ? "--encrypt" : "--decrypt" );
00056 }
00057 
00058 Kleo::SymCryptRunProcessBase::~SymCryptRunProcessBase() {}
00059 
00060 bool Kleo::SymCryptRunProcessBase::launch( const QByteArray & input, RunMode rm ) {
00061   connect( this, SIGNAL(receivedStdout(KProcess*,char*,int)),
00062            this, SLOT(slotReceivedStdout(KProcess*,char*,int)) );
00063   connect( this, SIGNAL(receivedStderr(KProcess*,char*,int)),
00064            this, SLOT(slotReceivedStderr(KProcess*,char*,int)) );
00065   if ( rm == Block ) {
00066     KTempFile tempfile;
00067     tempfile.setAutoDelete( true );
00068     if ( QFile * file = tempfile.file() )
00069       file->writeBlock( input );
00070     else
00071       return false;
00072     tempfile.close();
00073     *this << "--input" << tempfile.name();
00074     addOptions();
00075     return KProcess::start( Block, All );
00076   } else {
00077     addOptions();
00078     const bool ok = KProcess::start( rm, All );
00079     if ( !ok )
00080       return ok;
00081     mInput = input.copy();
00082     writeStdin( mInput.begin(), mInput.size() );
00083     connect( this, SIGNAL(wroteStdin(KProcess*)), this, SLOT(closeStdin()) );
00084     return true;
00085   }
00086 }
00087 
00088 void Kleo::SymCryptRunProcessBase::addOptions() {
00089   if ( !mOptions.isEmpty() )
00090   {
00091       const QStringList args = KShell::splitArgs( mOptions );
00092       *this << "--" << args;
00093   }
00094 }
00095 
00096 void Kleo::SymCryptRunProcessBase::slotReceivedStdout( KProcess * proc, char * buf, int len ) {
00097   Q_ASSERT( proc == this );
00098   const int oldsize = mOutput.size();
00099   mOutput.resize( oldsize + len );
00100   memcpy( mOutput.data() + oldsize, buf, len );
00101 }
00102 
00103 void Kleo::SymCryptRunProcessBase::slotReceivedStderr( KProcess * proc, char * buf, int len ) {
00104   Q_ASSERT( proc == this );
00105   if ( len > 0 )
00106     mStderr += QString::fromLocal8Bit( buf, len );
00107 }
00108 
00109 #include "symcryptrunprocessbase.moc"
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