....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /proc/thread-self/root/scripts/setupnameserver
#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/setupnameserver                 Copyright 2022 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

use strict;
use warnings;

use Config::Tiny                       ();
use Cpanel::Config::LoadCpConf         ();
use Cpanel::Config::CpConfGuard        ();
use Cpanel::ServerTasks                ();
use Cpanel::Chkservd::Manage           ();
use Cpanel::Chkservd::Tiny             ();
use Cpanel::Pkgr                       ();
use Cpanel::RPM::Versions::File        ();
use Cpanel::RPM::Versions::Directory   ();
use Cpanel::Services::Enabled          ();
use Cpanel::Services::Restart          ();
use Cpanel::Init                       ();
use Cpanel::OS                         ();
use Cpanel::NameServer::Utils::Enabled ();
use Cpanel::Usage                      ();
use Cpanel::PID                        ();
use Cpanel::Encoder::Tiny              ();
use Cpanel::RestartSrv::Systemd        ();
use Cpanel::ServerTasks                ();

my $force   = 0;
my $current = 0;
my $html    = 0;

delete $ENV{'cp_security_token'};
delete $ENV{'HTTP_REFERER'};

# Argument processing
my %opts = (
    'force'   => \$force,
    'current' => \$current,
    'html'    => \$html,
);

Cpanel::Usage::wrap_options( \@ARGV, \&usage, \%opts );

local @ARGV = ( grep( !/^--/, @ARGV ) );

my $dnstype = shift;
usage() unless ( $dnstype || $current );

if ( $> != 0 ) {
    die "Conversion process must be performed as root";
}

my $cpconf_ref = Cpanel::Config::LoadCpConf::loadcpconf_not_copy();

$cpconf_ref->{'local_nameserver_type'} ||= 'powerdns';
my $current_nameserver = Cpanel::Services::Enabled::is_enabled('dns') ? $cpconf_ref->{'local_nameserver_type'} : 'disabled';

if ($current) {
    print "Current nameserver type: $current_nameserver\n";
    exit 0;
}

if ( !$force && $current_nameserver eq $dnstype ) {
    print "Already configured.\n";
    exit 0;
}

my $valid_dnstypes = { map { $_ => 1 } qw(bind powerdns disabled) };
unless ( $valid_dnstypes->{$dnstype} ) {
    print "Unknown nameserver type specified.\nTry $0 --help\n";
    exit 1;
}

my ( $valid, $reason ) = Cpanel::NameServer::Utils::Enabled::valid_nameserver_type($dnstype);
unless ($valid) {
    print "The specified nameserver type is not available for your system:\n";
    print $reason, "\n";
    exit 1;
}

if ( !$force && $current_nameserver eq 'powerdns' && $dnstype ne 'powerdns' && -t STDIN ) {
    print "WARNING: If you switch your nameserver away from PowerDNS, your DNS server will no longer serve DNSSEC records.\n";
    print "You must ensure that the domains do not have DS records configured at their domain registrar.\n";
    print "Failure to do so will cause DNS resolution issues.\n\n";
    my $msg = qq{Are you sure you want to switch to "$dnstype" [y/n]? };
    print $msg;
    my $count = 0;
    while ( my $read = <STDIN> ) {
        $count++;
        exit if ( $count >= 5 );
        exit if ( $read =~ m/^n/i );
        last if ( $read =~ m/^y/i );
        print $msg;
    }
}

# Check if the target service is currently unmanaged
# WARNING: GLOBAL VARIABLE

if ( !$force && $dnstype =~ m/^(powerdns)$/ ) {
    my $dir          = Cpanel::RPM::Versions::Directory->new( { 'dont_set_legacy' => 1 } );
    my $target_state = $dir->fetch( { 'section' => 'target_settings', 'key' => $dnstype } );
    if ( $target_state && $target_state =~ m/^(unmanaged|uninstalled)$/ ) {
        print "WARNING: You are attempting to switch to $dnstype, but it has explicitly been set to $target_state in /var/cpanel/rpm.versions.d/\n";

        print "This means its packages have been flagged to be left alone by cPanel. "   if ( $target_state eq 'unmanaged' );
        print "This means its packages have been explicitly blocked from installation. " if ( $target_state eq 'uninstalled' );

        print "If this was unintentional, you may be able to remove\nthis flag by running the following command and then re-running setupnameserver\n";
        print "\n    /usr/local/cpanel/scripts/update_local_rpm_versions --del target_settings.$dnstype\n\n";

        print "If you meant to do this, please re-run setupnameserver with --force\n\n";
        exit 2;
    }
}

my $pid_obj = Cpanel::PID->new( { 'pid_file' => '/var/run/setupnameserver.pid' } );
unless ( $pid_obj->create_pid_file() > 0 ) {
    print "Setupnameserver appears to be running already.\n";
    print "Please wait for the conversion to finish before attempting another.\n";
    exit 1;
}

# check bind rpm before any actions, as we are not going to autofix it, but le the admin take care of it
check_bind() if $dnstype eq 'bind';

{
    my $cpconf_guard = Cpanel::Config::CpConfGuard->new();
    print "Setting name server to $dnstype in /var/cpanel/cpanel.config\n";
    $cpconf_ref->{'local_nameserver_type'} = $cpconf_guard->{'data'}->{'local_nameserver_type'} = $dnstype;
    $cpconf_guard->save();
}

my $init = Cpanel::Init->new();

suspend_chksrvd_monitoring();

_disable_systemd_resolved_stub_resolver();

#branch to uninsall/install functions
if ( $dnstype eq 'bind' ) {
    disable_none();
    disable_powerdns();
    enable_bind();
    enable_chksrvd_monitoring();
}
elsif ( $dnstype eq 'powerdns' ) {
    disable_none();
    disable_bind();
    enable_powerdns();
    enable_chksrvd_monitoring();
}
else {
    disable_chksrvd_monitoring();
    enable_none();
    disable_bind();
    disable_powerdns();
    install_cpanel_rpms();
}

if ( $force && $dnstype && $dnstype ne 'disabled' && $dnstype ne 'bind' && !$ENV{'CPANEL_BASE_INSTALL'} ) {
    print "\nChecking status of installed packages for $dnstype\n";
    system( '/usr/local/cpanel/scripts/check_cpanel_pkgs', '--fix', '--long-list', '--targets', $dnstype );
}

restart_dnsadmin();

# Rebuild global cache so that the 'is_dnssec_supported' value is updated
Cpanel::ServerTasks::schedule_task( ['CpDBTasks'], 5, 'build_global_cache' );

$pid_obj->remove_pid_file();

print "\nNameserver conversion complete\n";

exit 0;

sub disable_bind {
    return unless Cpanel::OS::list_contains_value( 'dns_supported', 'bind' );
    print "\nHalting BIND\n";
    my $output = eval { $init->run_command( 'named', 'stop' ) };
    print "\nDisabling BIND in init system\n";
    $output = $init->run_command_for_one( 'disable', 'named' );

    return;
}

sub disable_powerdns {
    return unless Cpanel::OS::list_contains_value( 'dns_supported', 'powerdns' );
    if ( Cpanel::Pkgr::is_installed('cpanel-pdns') ) {
        print "\nHalting PowerDNS\n";
        eval { $init->run_command( 'pdns', 'stop' ) };
        print "\nDisabling PowerDNS in init system\n";
        $init->run_command_for_one( 'disable', 'pdns' );
    }
    unlink('/var/cpanel/usepowerdns') if ( -e '/var/cpanel/usepowerdns' );

    return;
}

sub disable_none {
    unlink('/etc/nameddisable')    if ( -e '/etc/nameddisable' );
    unlink('/etc/binddisable')     if ( -e '/etc/binddisable' );
    unlink('/etc/powerdnsdisable') if ( -e '/etc/powerdnsdisable' );

    return;
}

# Strictly speaking, touching /etc/nameddisable will cause chksrvd to skip over
# restarting BIND or PDNS, but this will stop it from even polling for these processes
sub disable_chksrvd_monitoring {
    my %monitored_services = Cpanel::Chkservd::Manage::getmonitored();
    return unless ( $monitored_services{'named'} );
    Cpanel::Chkservd::Manage::disable('named');
    local $@;
    eval { Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv tailwatchd" ); };
    warn if $@;
    return;
}

sub check_bind {
    print "Checking that BIND is installed\n";

    return if Cpanel::Pkgr::is_installed('bind');

    my $advice = q[/scripts/sysup];
    $advice = q[yum install bind] if Cpanel::OS::is_yum_based();

    print STDERR <<"EOS";
Error: The 'bind' package is not installed on your system.
Run the '$advice' command to install it before you run this command again.
EOS
    exit 1;    ## no critic qw(Cpanel::NoExitsFromSubroutines)
}

# dummy helper to use or not html
sub restartservice {
    my $service = shift or die;

    # We do not taskqueue here since we want bind up right away on fresh installs
    my @args = $html ? ( 1, 0, \&Cpanel::Encoder::Tiny::safe_html_encode_str ) : ();
    return Cpanel::Services::Restart::restartservice( $service, @args );
}

sub enable_bind {
    print "\nUninstalling unused nameservers\n";
    install_cpanel_rpms($force);

    print "\nEnabling the BIND service...\n";
    my $output = $init->run_command_for_one( 'enable', 'named' );

    # Setup rndc
    print "\nSetting up rndc configuration\n";
    my @args = $html ? ('--html') : ();
    system( '/usr/local/cpanel/scripts/fixrndc', '-f', '-v', @args );

    print "\nStarting BIND\n";
    $output = restartservice('named');
    return;
}

sub enable_powerdns {
    print "\nChecking that PowerDNS is installed\n";

    system( 'touch', '/var/cpanel/usepowerdns' );
    install_cpanel_rpms($force);

    # Ensure that the dnssec.db exists
    my $dnssec_db_file = '/var/cpanel/pdns/dnssec.db';
    if ( !-e $dnssec_db_file ) {
        my $rc = system( '/usr/bin/pdnsutil', 'create-bind-db', $dnssec_db_file );
        if ( !$rc ) {
            chmod 0600, $dnssec_db_file;
            my $uid = getpwnam 'named';
            my $gid = getgrnam 'named';
            chown $uid, $gid, $dnssec_db_file;
        }
        else {
            warn "Error creating $dnssec_db_file:  $rc";
        }
    }

    print "\nEnabling PowerDNS in init system\n";
    my $output = $init->run_command_for_one( 'enable', 'pdns' );

    print "\nStarting PowerDNS\n";
    $output = restartservice('named');
    return;
}

sub enable_none {
    system( 'touch', '/etc/nameddisable' );
    return;
}

# Both BIND and PDNS are monitored by chksrvd using restartsrv_named
sub enable_chksrvd_monitoring {
    my %monitored_services = Cpanel::Chkservd::Manage::getmonitored();
    return if ( $monitored_services{'named'} );
    Cpanel::Chkservd::Manage::enable('named');
    local $@;
    eval { Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv tailwatchd" ); };
    warn if $@;
    unsuspend_chksrvd_monitoring();
    return;
}

sub unsuspend_chksrvd_monitoring {
    return Cpanel::Chkservd::Tiny::resume_service('named');
}

sub suspend_chksrvd_monitoring {
    return Cpanel::Chkservd::Tiny::suspend_service( 'named', 600 );
}

sub install_cpanel_rpms {

    # Cpanel::RPM::Versions::Directory intentionally avoids installing the configured DNS service in the initial installation environment so that it will only occur once, when this script runs.
    # It is necessary to hide the installation environment so that the installation happens now.
    local $ENV{'CPANEL_BASE_INSTALL'} = 0;

    # This object should always be re-instantiated here changing targets means Cpanel::RPM::Versions::Directory is invalid prior to now
    my $versions = Cpanel::RPM::Versions::File->new( { 'only_targets' => [qw/powerdns/] } );

    print "\nCalling package installer object\n";
    $versions->stage();
    $versions->commit_changes();
    return;
}

sub restart_dnsadmin {
    if ( Cpanel::Services::Enabled::is_enabled('dnsadmin') ) {
        local $@;
        eval { Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv dnsadmin" ); };
        warn if $@;
    }

    return;
}

sub usage {
    print <<EO_USAGE;
setupnameserver [options] [nameserver type]

    Options:
      --help       Brief help message
      --force      Rerun configuration routines even if the selected
                   nameserver type is already configured
      --current    Show the currently selected nameserver type


    Nameserver Types:
      powerdns     Suggested. High performance. Supports DNSSEC. Functions
                   only as authoritative nameserver.
      bind         Functions as both authoritative and caching nameserver.
      disabled     Disable the local nameserver.
EO_USAGE
    exit 0;    ## no critic qw(Cpanel::NoExitsFromSubroutines) - existing sub
}

sub _disable_systemd_resolved_stub_resolver {
    my $conf_path = '/etc/systemd/resolved.conf';

    return if !-e $conf_path;

    print "\nDisabling systemd-resolved stub resolver\n";

    # I wanted to use Config::Simple to preserve comments, but it's not available on fresh install
    my $conf = Config::Tiny->read($conf_path) || return;

    # see `man resolved.conf`
    $conf->{'Resolve'} //= {};
    $conf->{'Resolve'}->{'DNSStubListener'} = 'no';
    $conf->write($conf_path);

    Cpanel::RestartSrv::Systemd::restart_via_systemd('systemd-resolved');

    return;
}

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