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122 lines
4 KiB
C++
122 lines
4 KiB
C++
/*
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chiasmuslibrary.cpp
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This file is part of libkleopatra, the KDE keymanagement library
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Copyright (c) 2005 Klarälvdalens Datakonsult AB
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Libkleopatra is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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Libkleopatra is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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In addition, as a special exception, the copyright holders give
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permission to link the code of this program with any edition of
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the Qt library by Trolltech AS, Norway (or with modified versions
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of Qt that use the same license as Qt), and distribute linked
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combinations including the two. You must obey the GNU General
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Public License in all respects for all of the code used other than
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Qt. If you modify this file, you may extend this exception to
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your version of the file, but you are not obligated to do so. If
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you do not wish to do so, delete this exception statement from
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your version.
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*/
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#include "chiasmuslibrary.h"
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#include "chiasmusbackend.h"
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#include "kleo/cryptoconfig.h"
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#include <klibrary.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <QFile>
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#include <QByteArray>
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#include <vector>
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#include <algorithm>
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#include <cassert>
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#include <cstdlib>
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#include <cstring>
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Kleo::ChiasmusLibrary * Kleo::ChiasmusLibrary::self = 0;
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Kleo::ChiasmusLibrary::ChiasmusLibrary() : mXiaLibrary( 0 ) {
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self = this;
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}
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Kleo::ChiasmusLibrary::~ChiasmusLibrary() {
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//delete mXiaLibrary; // hmm, how to get rid of it, then?
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}
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Kleo::ChiasmusLibrary::main_func Kleo::ChiasmusLibrary::chiasmus( QString * reason ) const {
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assert( ChiasmusBackend::instance() );
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assert( ChiasmusBackend::instance()->config() );
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const CryptoConfigEntry * lib = ChiasmusBackend::instance()->config()->entry( QLatin1String("Chiasmus"), QLatin1String("General"), QLatin1String("lib") );
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assert( lib );
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const QString libfile = lib->urlValue().path();
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if ( !mXiaLibrary )
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mXiaLibrary = new KLibrary( libfile );
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if ( mXiaLibrary->fileName().isEmpty() || !mXiaLibrary->isLoaded() ) {
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if ( reason )
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*reason = i18n( "Failed to load %1: %2",
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libfile, mXiaLibrary->errorString() );
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kDebug(5150) <<"ChiasmusLibrary: loading \"" << libfile
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<< "\" failed:" << mXiaLibrary->errorString();
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delete mXiaLibrary;
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mXiaLibrary = 0;
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return 0;
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}
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KLibrary::void_function_ptr symbol = mXiaLibrary->resolveFunction( "Chiasmus" );
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if ( !symbol ) {
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if ( reason )
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*reason = i18n( "Failed to load %1: %2",
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libfile, i18n( "Library does not contain the symbol \"Chiasmus\"." ) );
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kDebug(5150) <<"ChiasmusLibrary: loading \"" << libfile
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<< "\" failed: " << "Library does not contain the symbol \"Chiasmus\".";
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delete mXiaLibrary;
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mXiaLibrary = 0;
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return 0;
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}
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assert( symbol );
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return ( main_func )symbol;
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}
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namespace {
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class ArgvProvider {
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char ** mArgv;
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int mArgc;
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public:
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ArgvProvider( const QVector<QByteArray> & args ) {
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mArgv = new char * [args.size()];
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for ( int i = 0 ; i < args.size() ; ++i )
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mArgv[i] = strdup( args[i].data() );
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}
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~ArgvProvider() {
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std::for_each( mArgv, mArgv + mArgc, std::free );
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delete[] mArgv;
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}
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char ** argv() const { return mArgv; }
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};
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}
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int Kleo::ChiasmusLibrary::perform( const QVector<QByteArray> & args ) const {
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if ( main_func func = chiasmus() )
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return func( args.size(), ArgvProvider( args ).argv() );
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else
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return -1;
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}
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