mirror of
https://bitbucket.org/smil3y/kde-workspace.git
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161 lines
3.9 KiB
C++
161 lines
3.9 KiB
C++
/*
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kwrited is a write(1) receiver for KDE.
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Copyright 1997,1998 by Lars Doelle <lars.doelle@on-line.de>
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Copyright 2008 by George Kiagiadakis <gkiagia@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU 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
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02110-1301 USA.
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*/
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// Own
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#include "kwrited.h"
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#include <kdebug.h>
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#include <kptydevice.h>
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#include <kuser.h>
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#include <knotification.h>
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#include <klocalizedstring.h>
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#include <kaboutdata.h>
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#include <kdeversion.h>
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#include <config-workspace.h>
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#if defined(BUILD_AS_EXECUTABLE)
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# include <QtCore/QCoreApplication>
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# include <kcomponentdata.h>
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# include <signal.h>
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# include <sys/types.h>
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# include <unistd.h>
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#else
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# include <kpluginfactory.h>
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# include <kpluginloader.h>
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#endif
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static inline KAboutData aboutData()
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{
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return KAboutData("kwrited", 0, ki18n("kwrited"), KDE_VERSION_STRING);
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}
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#if defined(BUILD_AS_EXECUTABLE)
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static uid_t original_euid;
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static gid_t original_egid;
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static void sigterm_handler(int signal)
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{
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Q_UNUSED(signal)
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QCoreApplication::quit();
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}
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int main(int argc, char **argv)
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{
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//drop elevated privileges temporarily
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original_euid = geteuid();
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original_egid = getegid();
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seteuid(getuid());
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setegid(getgid());
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//install a signal handler to exit gracefully
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//(so that pty->logout() is called in ~KWrited())
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signal(SIGTERM, sigterm_handler);
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signal(SIGINT, sigterm_handler);
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signal(SIGHUP, sigterm_handler);
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KComponentData kcompdata(aboutData());
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QCoreApplication a(argc, argv);
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KWrited w;
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return a.exec();
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}
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#else // BUILD_AS_EXECUTABLE
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KWritedModule::KWritedModule(QObject* parent, const QList<QVariant>&)
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: KDEDModule(parent)
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{
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pro = new KWrited;
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}
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KWritedModule::~KWritedModule()
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{
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delete pro;
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}
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K_PLUGIN_FACTORY(KWritedFactory,
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registerPlugin<KWritedModule>();
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)
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K_EXPORT_PLUGIN(KWritedFactory(aboutData()))
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#endif //BUILD_AS_EXECUTABLE
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KWrited::KWrited() : QObject()
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{
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pty = new KPtyDevice();
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pty->open();
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#if defined(BUILD_AS_EXECUTABLE)
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dup2(pty->slaveFd(), 0); //HACK: login() from glibc requires this to login correctly
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//restore elevated privileges
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seteuid(original_euid);
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setegid(original_egid);
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#endif
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pty->login(KUser(KUser::UseRealUserID).loginName().toLocal8Bit().data(), qgetenv("DISPLAY"));
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#if defined(BUILD_AS_EXECUTABLE)
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//drop privileges again
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seteuid(getuid());
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setegid(getgid());
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#endif
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connect(pty, SIGNAL(readyRead()), this, SLOT(block_in()));
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kDebug() << "listening on device" << pty->ttyName();
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}
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KWrited::~KWrited()
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{
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#if defined(BUILD_AS_EXECUTABLE)
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//restore elevated privileges
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seteuid(original_euid);
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setegid(original_egid);
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#endif
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pty->logout();
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#if defined(BUILD_AS_EXECUTABLE)
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//drop privileges again
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seteuid(getuid());
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setegid(getgid());
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#endif
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delete pty;
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}
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void KWrited::block_in()
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{
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QByteArray buf = pty->readAll();
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QString msg = QString::fromLocal8Bit( buf.constData(), buf.size() );
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msg.remove('\r');
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msg.remove('\a');
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KNotification *notification = new KNotification("NewMessage", 0, KNotification::Persistent);
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#if !defined(BUILD_AS_EXECUTABLE)
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notification->setComponentData( KWritedFactory::componentData() );
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#endif
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notification->setText( msg );
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connect(notification, SIGNAL(closed()), notification, SLOT(deleteLater()) );
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notification->sendEvent();
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}
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#include "moc_kwrited.cpp"
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