partitionmanager/src/util/helpers.cpp

136 lines
4.6 KiB
C++

/***************************************************************************
* Copyright (C) 2008, 2009, 2010 by Volker Lanz <vl@fidra.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "util/helpers.h"
#include "util/globallog.h"
#include "ops/operation.h"
#include <klocale.h>
#include <kaboutdata.h>
#include <kmessagebox.h>
#include <kglobal.h>
#include <kcomponentdata.h>
#include <kstandarddirs.h>
#include <kcmdlineargs.h>
#include <kdebug.h>
#include <QProcess>
#include <QFileInfo>
#include <QApplication>
#include <unistd.h>
#include <signal.h>
void registerMetaTypes()
{
qRegisterMetaType<Operation*>("Operation*");
qRegisterMetaType<log::Level>("log::Level");
}
void unblockSigChild()
{
sigset_t sset;
sigemptyset(&sset);
sigaddset(&sset, SIGCHLD);
sigprocmask(SIG_UNBLOCK, &sset, NULL);
}
static QString suCommand()
{
KStandardDirs d;
const char* candidates[] = { "kdesu", "kdesudo", "gksudo", "gksu" };
QString rval;
for (quint32 i = 0; i < sizeof(candidates) / sizeof(candidates[0]); i++)
{
rval = d.locate("exe", candidates[i]);
if (QFileInfo(rval).isExecutable())
return rval;
}
return QString();
}
bool checkPermissions()
{
if (geteuid() != 0)
{
KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
// only try to gain root privileges if we have a valid (kde|gk)su(do) command and
// we did not try so before: the dontsu-option is there to make sure there are no
// endless loops of calling the same non-working (kde|gk)su(do) binary again and again.
if (!suCommand().isEmpty() && !args->isSet("dontsu"))
{
QStringList argList;
const QString suCmd = suCommand();
// kdesu broke backward compatibility at some point and now only works with "-c";
// kdesudo accepts either (with or without "-c"), but the gk* helpers only work
// without. kdesu maintainers won't fix their app, so we need to work around that here.
if (suCmd.indexOf("kde") != -1)
argList << "-c";
argList << args->allArguments().join(" ") + " --dontsu";
kDebug() << "command: " << suCmd << ", arguments: " << argList;
if (QProcess::execute(suCmd, argList) == 0)
return false;
}
return KMessageBox::warningContinueCancel(NULL, i18nc("@info",
"<para><warning>You do not have administrative privileges.</warning></para>"
"<para>It is possible to run <application>%1</application> without these privileges. "
"You will, however, <emphasis>not</emphasis> be allowed to apply operations.</para>"
"<para>Do you want to continue running <application>%1</application>?</para>",
KGlobal::mainComponent().aboutData()->programName()),
i18nc("@title:window", "No administrative privileges"),
KGuiItem(i18nc("@action:button", "Run without administrative privileges"), "arrow-right"),
KStandardGuiItem::cancel(),
"runWithoutRootPrivileges") == KMessageBox::Continue;
}
return true;
}
KAboutData* createPartitionManagerAboutData()
{
KAboutData* about = new KAboutData(
"partitionmanager",
NULL,
ki18nc("@title", "<application>KDE Partition Manager</application>"),
VERSION,
ki18nc("@title", "Manage your disks, partitions and file systems"),
KAboutData::License_GPL,
ki18nc("@info:credit", "(c) 2008, 2009, 2010 Volker Lanz")
);
about->addAuthor(ki18nc("@info:credit", "Volker Lanz"), KLocalizedString(), "vl@fidra.de");
about->setHomepage("http://www.partitionmanager.org");
return about;
}
bool caseInsensitiveLessThan(const QString& s1, const QString& s2)
{
return s1.toLower() < s2.toLower();
}