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195 lines
7.2 KiB
195 lines
7.2 KiB
/***************************************************************************
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* Copyright (C) 2004,2005 by Jakub Stachowski *
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* qbast@go2.pl *
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* *
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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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* *
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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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* *
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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 *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <sys/stat.h>
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#include <config.h>
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#include <tqlayout.h>
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#include <tqfile.h>
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#include <tqgroupbox.h>
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#include <tqradiobutton.h>
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#include <tqtimer.h>
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#include <tqtabwidget.h>
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#include <tqcheckbox.h>
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#include <tqprocess.h>
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#include <tqcursor.h>
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#include <tqbuttongroup.h>
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#include <tdelocale.h>
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#include <tdeglobal.h>
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#include <tdeparts/genericfactory.h>
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#include <kprocess.h>
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#include <klineedit.h>
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#include <kpassdlg.h>
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#include <ksimpleconfig.h>
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#include <tdeapplication.h>
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#include <tdemessagebox.h>
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#include "kcmdnssd.h"
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#include <dnssd/settings.h>
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#include <dnssd/domainbrowser.h>
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#include <kipc.h>
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#define MDNSD_CONF "/etc/mdnsd.conf"
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#define MDNSD_PID "/var/run/mdnsd.pid"
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typedef KGenericFactory<KCMDnssd, TQWidget> KCMDnssdFactory;
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K_EXPORT_COMPONENT_FACTORY( kcm_tdednssd, KCMDnssdFactory("kcmtdednssd"))
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KCMDnssd::KCMDnssd(TQWidget *parent, const char *name, const TQStringList&)
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: ConfigDialog(parent, name), m_wdchanged(false)
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{
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setAboutData(new TDEAboutData(I18N_NOOP("kcm_tdednssd"),
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I18N_NOOP("ZeroConf configuration"),0,0,TDEAboutData::License_GPL,
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I18N_NOOP("(C) 2004,2005 Jakub Stachowski")));
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setQuickHelp(i18n("Setup services browsing with ZeroConf"));
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if (geteuid()!=0) tabs->removePage(tab_2); // normal user cannot change wide-area settings
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// show only global things in 'administrator mode' to prevent confusion
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else if (getenv("TDESU_USER")!=0) tabs->removePage(tab);
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addConfig(DNSSD::Configuration::self(),this);
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// it is host-wide setting so it has to be in global config file
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domain = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdednssdrc" ));
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domain->setGroup("publishing");
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load();
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connect(hostedit,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(wdchanged()));
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connect(secretedit,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(wdchanged()));
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connect(domainedit,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(wdchanged()));
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connect(enableZeroconf,TQT_SIGNAL(toggled(bool)),this,TQT_SLOT(enableZeroconfChanged(bool)));
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m_enableZeroconfChanged=false;
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if (DNSSD::Configuration::self()->publishDomain().isEmpty()) WANButton->setEnabled(false);
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kcfg_PublishType->hide(); //unused with Avahi
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}
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KCMDnssd::~KCMDnssd()
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{
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delete domain;
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}
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void KCMDnssd::save()
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{
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setCursor(TQCursor(Qt::BusyCursor));
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TDECModule::save();
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if (geteuid()==0 && m_wdchanged) saveMdnsd();
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domain->setFileWriteMode(0644); // this should be readable for everyone
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domain->writeEntry("PublishDomain",domainedit->text());
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domain->sync();
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KIPC::sendMessageAll((KIPC::Message)KIPCDomainsChanged);
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if (m_enableZeroconfChanged) {
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TQString scaryMessage = i18n("Enabling local network browsing will open a network port (5353) on your computer. If security problems are discovered in the zeroconf server, remote attackers could access your computer as the \"avahi\" user.");
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TDEProcess *proc = new TDEProcess;
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*proc << "tdesu";
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if (enableZeroconf->isChecked()) {
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if (KMessageBox::warningYesNo( this, scaryMessage, i18n("Enable Zeroconf Network Browsing"), KGuiItem(i18n("Enable Browsing")), KGuiItem(i18n("Don't Enable Browsing")) ) == KMessageBox::Yes) {
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*proc << "/usr/share/avahi/enable_avahi 1";
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proc->start(TDEProcess::Block);
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} else {
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enableZeroconf->setChecked(false);
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}
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} else {
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*proc << "/usr/share/avahi/enable_avahi 0";
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proc->start(TDEProcess::Block);
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}
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}
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setCursor(TQCursor(Qt::ArrowCursor));
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}
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void KCMDnssd::load()
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{
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if (geteuid()==0) loadMdnsd();
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enableZeroconf->setChecked(false);
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TQProcess avahiStatus(TQString("/usr/share/avahi/avahi_status"), TQT_TQOBJECT(this), "avahiStatus");
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avahiStatus.start();
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while (avahiStatus.isRunning()) {
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kapp->processEvents();
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}
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int exitStatus = avahiStatus.exitStatus();
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if (exitStatus == 0) { // disabled
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enableZeroconf->setChecked(false);
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} else if (exitStatus == 1) { // enabled
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enableZeroconf->setChecked(true);
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} else if (exitStatus == 2) { // custom setup
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enableZeroconf->setEnabled(false);
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}
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TDECModule::load();
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}
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// hack to work around not working isModified() for KPasswordEdit
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void KCMDnssd::wdchanged()
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{
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WANButton->setEnabled(!domainedit->text().isEmpty() && !hostedit->text().isEmpty());
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changed();
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m_wdchanged=true;
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}
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void KCMDnssd::enableZeroconfChanged(bool)
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{
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changed();
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m_enableZeroconfChanged=true;
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}
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void KCMDnssd::loadMdnsd()
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{
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TQFile f(MDNSD_CONF);
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if (!f.open(IO_ReadWrite)) return;
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TQTextStream stream(&f);
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TQString line;
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while (!stream.atEnd()) {
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line = stream.readLine();
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mdnsdLines.insert(line.section(' ',0,0,TQString::SectionSkipEmpty),
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line.section(' ',1,-1,TQString::SectionSkipEmpty));
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}
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if (!mdnsdLines["zone"].isNull()) domainedit->setText(mdnsdLines["zone"]);
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if (!mdnsdLines["hostname"].isNull()) hostedit->setText(mdnsdLines["hostname"]);
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if (!mdnsdLines["secret-64"].isNull()) secretedit->setText(mdnsdLines["secret-64"]);
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}
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bool KCMDnssd::saveMdnsd()
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{
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mdnsdLines["zone"]=domainedit->text();
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mdnsdLines["hostname"]=hostedit->text();
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if (!secretedit->text().isEmpty()) mdnsdLines["secret-64"]=TQString(secretedit->password());
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else mdnsdLines.remove("secret-64");
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TQFile f(MDNSD_CONF);
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bool newfile=!f.exists();
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if (!f.open(IO_WriteOnly)) return false;
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TQTextStream stream(&f);
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for (TQMap<TQString,TQString>::ConstIterator it=mdnsdLines.begin();it!=mdnsdLines.end();
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++it) stream << it.key() << " " << (*it) << "\n";
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f.close();
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// if it is new file, then make it only accessible for root as it can contain shared
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// secret for dns server.
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if (newfile) chmod(MDNSD_CONF,0600);
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f.setName(MDNSD_PID);
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if (!f.open(IO_ReadOnly)) return true; // it is not running so no need to signal
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TQString line;
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if (f.readLine(line,16)<1) return true;
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unsigned int pid = line.toUInt();
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if (pid==0) return true; // not a pid
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kill(pid,SIGHUP);
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return true;
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}
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#include "kcmdnssd.moc"
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