158 lines
4.3 KiB
C++
158 lines
4.3 KiB
C++
/* === This file is part of Calamares - <https://calamares.io> ===
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*
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* SPDX-FileCopyrightText: 2014 Rohan Garg <rohan@kde.org>
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* SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
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* SPDX-FileCopyrightText: 2018 Adriaan de Groot <groot@kde.org>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Calamares is Free Software: see the License-Identifier above.
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*
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*/
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#include "SetHostNameJob.h"
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#include "GlobalStorage.h"
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#include "JobQueue.h"
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#include "utils/CalamaresUtilsSystem.h"
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#include "utils/Logger.h"
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#include <QDBusConnection>
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#include <QDBusInterface>
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#include <QDBusReply>
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#include <QDir>
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#include <QFile>
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using WriteMode = CalamaresUtils::System::WriteMode;
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SetHostNameJob::SetHostNameJob( const QString& hostname, HostNameActions a )
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: Calamares::Job()
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, m_hostname( hostname )
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, m_actions( a )
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{
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}
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QString
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SetHostNameJob::prettyName() const
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{
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return tr( "Set hostname %1" ).arg( m_hostname );
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}
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QString
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SetHostNameJob::prettyDescription() const
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{
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return tr( "Set hostname <strong>%1</strong>." ).arg( m_hostname );
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}
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QString
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SetHostNameJob::prettyStatusMessage() const
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{
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return tr( "Setting hostname %1." ).arg( m_hostname );
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}
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STATICTEST bool
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setFileHostname( const QString& hostname )
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{
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return CalamaresUtils::System::instance()->createTargetFile(
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QStringLiteral( "/etc/hostname" ), ( hostname + '\n' ).toUtf8(), WriteMode::Overwrite );
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}
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STATICTEST bool
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writeFileEtcHosts( const QString& hostname )
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{
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// The actual hostname gets substituted in at %1
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static const char etc_hosts[] = R"(# Host addresses
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127.0.0.1 localhost
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127.0.1.1 %1
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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)";
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return CalamaresUtils::System::instance()->createTargetFile(
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QStringLiteral( "/etc/hosts" ), QString( etc_hosts ).arg( hostname ).toUtf8(), WriteMode::Overwrite );
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}
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STATICTEST bool
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setSystemdHostname( const QString& hostname )
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{
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QDBusInterface hostnamed( "org.freedesktop.hostname1",
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"/org/freedesktop/hostname1",
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"org.freedesktop.hostname1",
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QDBusConnection::systemBus() );
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if ( !hostnamed.isValid() )
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{
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cWarning() << "Interface" << hostnamed.interface() << "is not valid.";
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return false;
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}
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bool success = true;
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// Static, writes /etc/hostname
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{
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QDBusReply< void > r = hostnamed.call( "SetStaticHostname", hostname, false );
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if ( !r.isValid() )
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{
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cWarning() << "Could not set hostname through org.freedesktop.hostname1.SetStaticHostname." << r.error();
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success = false;
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}
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}
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// Dynamic, updates kernel
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{
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QDBusReply< void > r = hostnamed.call( "SetHostname", hostname, false );
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if ( !r.isValid() )
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{
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cWarning() << "Could not set hostname through org.freedesktop.hostname1.SetHostname." << r.error();
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success = false;
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}
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}
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return success;
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}
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Calamares::JobResult
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SetHostNameJob::exec()
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{
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Calamares::GlobalStorage* gs = Calamares::JobQueue::instance()->globalStorage();
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if ( !gs || !gs->contains( "rootMountPoint" ) )
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{
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cError() << "No rootMountPoint in global storage";
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return Calamares::JobResult::error( tr( "Internal Error" ) );
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}
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QString destDir = gs->value( "rootMountPoint" ).toString();
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if ( !QDir( destDir ).exists() )
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{
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cError() << "rootMountPoint points to a dir which does not exist";
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return Calamares::JobResult::error( tr( "Internal Error" ) );
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}
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if ( m_actions & HostNameAction::EtcHostname )
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{
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if ( !setFileHostname( m_hostname ) )
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{
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cError() << "Can't write to hostname file";
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return Calamares::JobResult::error( tr( "Cannot write hostname to target system" ) );
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}
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}
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if ( m_actions & HostNameAction::WriteEtcHosts )
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{
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if ( !writeFileEtcHosts( m_hostname ) )
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{
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cError() << "Can't write to hosts file";
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return Calamares::JobResult::error( tr( "Cannot write hostname to target system" ) );
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}
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}
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if ( m_actions & HostNameAction::SystemdHostname )
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{
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// Does its own logging
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setSystemdHostname( m_hostname );
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}
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return Calamares::JobResult::ok();
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}
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