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Edit File: cpanel_initial_install

#!/usr/local/cpanel/3rdparty/bin/perl

#                                      Copyright 2026 WebPros International, LLC
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited.

package scripts::cpanel_initial_install;

use cPstrict;

use Cpanel::ChildErrorStringifier      ();
use Cpanel::Chkservd::Manage           ();
use Cpanel::Chkservd::Tiny             ();
use Cpanel::Config::LoadConfig         ();
use Cpanel::Config::ConfigObj          ();
use Cpanel::Config::CpConfGuard        ();
use Cpanel::Config::FlushConfig        ();
use Cpanel::Config::LoadCpConf         ();
use Cpanel::ConfigFiles                ();
use Cpanel::DnsUtils::Add              ();
use Cpanel::DIp::Update                ();
use Cpanel::Timezones                  ();
use Cpanel::RPM::Versions::File        ();
use Proc::FastSpawn                    ();
use Cpanel::FeatureShowcase            ();
use Cpanel::Finally                    ();
use Cpanel::Carp                       ();
use Cpanel::LoadModule                 ();
use Cpanel::FileUtils::TouchFile       ();
use Cpanel::FileUtils::Write           ();
use Cpanel::Kernel                     ();
use Cpanel::Kernel::GetDefault         ();
use Cpanel::NSCD::Log                  ();
use Cpanel::Quota::Utils               ();
use Cpanel::Pkgr                       ();
use Cpanel::Usage                      ();
use Cpanel::NAT                        ();
use Cpanel::Init::Simple               ();
use Cpanel::TimeHiRes                  ();
use Cpanel::Server::Type               ();
use Cpanel::Sys::Hostname::Modify      ();
use Cpanel::TimeHiRes                  ();
use Cwd                                ();
use File::Path                         ();
use File::Copy                         ();
use Cpanel::MariaDB                    ();
use Cpanel::SafeRun::Object            ();
use Cpanel::Services::Running          ();
use Cpanel::Yum::Vars                  ();
use Cpanel::MysqlUtils::ServiceName    ();
use Cpanel::MysqlUtils::MyCnf::Adjust  ();
use Whostmgr::Services                 ();
use Whostmgr::TweakSettings            ();
use Cpanel::ForkAsync                  ();
use Cpanel::Wait::Constants            ();
use Cpanel::ServerTasks                ();    # a sub is overridden later in code so let's load it for safety.
use Cpanel::Daemonizer::Tiny           ();
use Cpanel::Install::EA4               ();
use Cpanel::Install::Utils::Packaged   ();
use Cpanel::Install::Utils::Logger     ();
use Cpanel::Install::Utils::Command    ();
use Cpanel::Install::LetsEncrypt       ();
use Cpanel::Install::MySQL             ();
use Cpanel::Install::JobRunner         ();
use Cpanel::NameServer::Utils::Enabled ();
use Cpanel::OS                         ();
use Cpanel::OSSys::Env                 ();
use Cpanel::Slurper                    ();
use Cpanel::Resolvers                  ();
use Cpanel::Systemd                    ();
use Cpanel::Binaries                   ();

# These start off as 0 and once they have been deferred they will
# be set to 1
my %targets_to_defer_to_after_first_upcp = ( 'mailman' => 0 );
my %module_by_type                       = (
    'MySQL'   => 'Cpanel::Mysql::Install',
    'MariaDB' => 'Cpanel::MariaDB::Install',
);

# We only use this file in the installer and we delete it when
# we are done.
my $mysql_rpm_download_complete_file = '/var/cpanel/mysql_rpm_download_completed';

my $systemctl_bin = Cpanel::Binaries::path("systemctl");

my %background_pids;
my $run_tasks_in_main_process = 0;

Cpanel::Carp::enable();    #make sure fatal results in a backtrace

my $MAIN_PROCESS_PID;

exit __PACKAGE__->script(@ARGV) unless caller();

# loggers helper
sub INFO ($msg) {
    return Cpanel::Install::Utils::Logger::INFO($msg);
}

sub DEBUG ($msg) {
    return Cpanel::Install::Utils::Logger::DEBUG($msg);
}

sub WARN ($msg) {
    return Cpanel::Install::Utils::Logger::WARN($msg);
}

sub FATAL ($msg) {
    return Cpanel::Install::Utils::Logger::FATAL($msg);
}

sub script (@ARGS) {

if ( !$ENV{'CPANEL_BASE_INSTALL'} ) {
        die("This program is designed to be run from the cpanel installer. It is probably destructive to run but if you insist, you'll need to set the environment variable CPANEL_BASE_INSTALL=1 before you run it\n");
    }

# ensure locale are set
    local @ENV{qw{LANG LANGUAGE LC_ALL LC_MESSAGES LC_CTYPE}} = qw{C C C C C};

my $skip_apache     = 0;
    my $skip_repo_setup = 0;
    my $installstart    = time();

my %opts = (
        'skipapache'    => \$skip_apache,
        'installstart'  => \$installstart,
        'skipreposetup' => \$skip_repo_setup,
    );

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

#Set this because we also run during sysup which is done as a result of a deferred task
    #also done during upcp so this is a forever thing that has to be tracked by touchfile
    touch($Cpanel::ConfigFiles::SKIP_REPO_SETUP_FLAG) if $skip_repo_setup;

my $lock_file = $Cpanel::ConfigFiles::BASE_INSTALL_IN_PROGRESS_FILE;
    $| = 1;    ## no critic qw(Variables::RequireLocalizedPunctuationVars)
    umask 022;

## no critic qw(ProhibitStringyEval)
    # Don't create the END block until run time.
    $MAIN_PROCESS_PID = $$;
    eval q{
        # Cleanup the lock file on exit.
        END {

return unless $MAIN_PROCESS_PID && $$ == $MAIN_PROCESS_PID;

if ( $lock_file and open(my $fh, '<', $lock_file ) ) {
                my $pid = <$fh>;
                close $fh;

chomp $pid if ($pid);
                if ( !$pid or $pid == $$ ) {
                    print "Removing $lock_file\n";
                    unlink $lock_file;
                }
            }
        }
    };
    ## use critic qw(ProhibitStringyEval)

# Create the lock file.
    touch( $lock_file, $$ );

# Open the install logs for append.
    open_logs();

# case CPANEL-28892:
    # securetmp cannot run in the background because it has a window of broken-ness for
    # /tmp where the files are being moved around.
    INFO('Securing the /tmp and /var/tmp directories.');
    Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/securetmp', '--auto', '--install' );

# Determine local distro and version. Fail if unsupported distro.
    die q[Unuspported distribution: ] . Cpanel::OS::display_name() unless Cpanel::OS::is_supported();

# Ensure YUM repos continue to support SHA-1
    ensure_crypto_policy_has_sha1();

# setup /etc/yum/vars/cp_centos_major_version as soon as possible
    Cpanel::Yum::Vars::install();

# if you suspect an error from racing tasks, then you can try setting this to 1 to force tasks to run serially.
    $run_tasks_in_main_process = $ENV{'RUN_TASKS_IN_MAIN_PROCESS'} // 0;
    INFO("run_tasks_in_main_process=$run_tasks_in_main_process");

_run_in_background(
        \&set_up_swap_if_needed,
        'Setting up SWAP'
    );

# Disable fs.protected_regular if it is enabled by default
    disable_fs_protected_regular_if_needed();

# Store the initial install version.
    File::Copy::copy( '/usr/local/cpanel/version', '/var/cpanel/install_version' );

# Upgrade to cloud linux if licensed via cpanel. Change distro if it updates.

upgrade_to_cloud_linux();

# /var/cpanel/cpanel.config probably already exists from updatenow.static, but updatenow and *.static files
    # are considered daemons and CpConfGuard does not compute dynamic values for daemons.
    Cpanel::Config::CpConfGuard->new();

my $installer_dir = Cwd::getcwd();

# Now software is installed, call rdate in case it couldn't be called earlier.
    $installstart = update_system_clock($installstart);
    {
        # Save the /var/cpanel/cpanel.config and cache file we've been avoiding up to this point.
        INFO("Setting up /var/cpanel/cpanel.config");
        local $ENV{CPANEL_BASE_INSTALL} = 0;
        Cpanel::Config::CpConfGuard::clearcache();
        Cpanel::Config::LoadCpConf::loadcpconf();
    }

# Remember resolv.conf in case its data goes missing:
    my $resolv_conf = Cpanel::Slurper::read('/etc/resolv.conf');

# Lowercase the host name if necessary (no need to fork anymore, this is now run by cpanel perl)
    Cpanel::Sys::Hostname::Modify::make_hostname_lowercase_fqdn();

# NAT auto-detection/configuration
    Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/build_cpnat');

# Check if the hostname resolves - this *must* be done after build_cpnat
    # so that the resolution checks are performed properly on NAT environments
    Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/ensure_hostname_resolves', '-y' );

# If the resolvers went missing, tell NetworkManager to leave them alone, then put them back:
    if ( $ENV{CPANEL_BASE_INSTALL} && !Cpanel::Resolvers::fetchresolvers()->@* ) {
        WARN("The system DNS resolvers went missing when cPanel adjusted the hostname.");
        if ( Cpanel::OS::networking() eq 'NetworkManager' ) {

my $nm_conf_file = '/etc/NetworkManager/conf.d/99-cpanel.conf';
            WARN("Configuring NetworkManager using file “$nm_conf_file”.");
            Cpanel::Slurper::write( $nm_conf_file, <<'EOF', 0644 );
[main]
dns = none
EOF

Cpanel::Systemd::systemctl(qw(reload NetworkManager.service));
            sleep 1;    # give everything time to settle
        }

INFO("Restoring previous DNS resolvers.");
        Cpanel::Slurper::write( '/etc/resolv.conf', $resolv_conf, 0644 );
        sleep 1;        # give everything time to settle
    }

# Import the MySQL key before going to install to avoid conflicts later
    INFO("Attempting to pre-import the mysql gpg key");
    Cpanel::Install::MySQL::install_mysql_keys();

my $mysql_download_pid = _run_in_background(
        sub {
            INFO("Downloading MySQL/MariaDB packages");
            eval { download_mariadb_or_mysql($skip_apache) };
            if ($@) {
                WARN("Errors seen pre-caching the database server packages. A second attempt will be made to download it for install");
            }
            else {
                INFO("Completed downloading MySQL/MariaDB packages");
            }
            return 0;
        },
        'MySQL/MariaDB package Download'
    );

if ( !$skip_repo_setup ) {
        Cpanel::Install::EA4::install_apache_repo();
    }

my $ea4_or_universal_hooks_install_pid;
    if ( Cpanel::Server::Type::is_dnsonly() ) {
        $ea4_or_universal_hooks_install_pid = _install_yum_universal_hooks_in_background();
    }
    elsif ($skip_apache) {
        WARN("Skipping Apache installation due to command line request");
    }
    else {
        $ea4_or_universal_hooks_install_pid = _install_ea4_in_background();
    }

# Setup databases
    my $dbsetup_pid = _setup_databases_and_dependent_apps($skip_apache);

# Created /etc/domainips after build_cpnat and hostname
    Cpanel::DIp::Update::update_dedicated_ips_and_dependencies_or_die();

# Stop and possibly remove some services
    disable_and_remove_init_services();

# Reduce memory pressure as soon as we can
    Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/vps_optimizer');

# Make cpanel.pem right away
    require Cpanel::SSLCerts;
    Cpanel::SSLCerts::checkForExpiredServiceCrts();

# Init the package management system, update installed, then run sysup
    ensure_rpms_installed();

# Setup default cPanel users;
    do_taskrun();

# Update license information ASAP so code can get at it.
    INFO("Updating license information");
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/cpkeyclt});

# Make touch files corresponding to cpanel.config settings.
    do_cpanel_config_touch_files();

if ( -e '/usr/sbin/pwconv' ) {
        INFO("making sure we are shadowed");
        Cpanel::Install::Utils::Command::ssystem('/usr/sbin/pwconv');
    }

_shutdown_cpanel_services();

INFO("Making sure the firewall (if present) is setup for cPanel.");
    Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/configure_firewall_for_cpanel');

_run_modular_jobs();

setup_misc_cpanel_config_files();

setup_exim_config_defaults();

INFO("Setting up the local name server.");
    setup_nameserver();

# make sure dnsadmin is up so we can do dns dcv
    #
    mkdir '/var/cpanel/dnsadmin', 0700;

Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/3rdparty/bin/perl', "/usr/local/cpanel/install/CpanelService.pm" );
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_dnsadmin});

# warn on failure: do not abort the installation if it fails
    _run_and_wait_in_background( \&_setup_dns_and_dkim, 'Setup DNS and DKIM', stop_on_failure => 0 );

_run_tasks_that_can_be_done_after_updatenow_in_the_background();

_defer_targets();

INFO("Downloading deferred packages");
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/check_cpanel_pkgs --fix --no-broken --no-digest --download-only});

if ($ea4_or_universal_hooks_install_pid) {

# Apache needs to be installed before upcp
        _wait_for_background_tasks_to_finish($ea4_or_universal_hooks_install_pid);
    }

_run_webserver_post_install_and_ssl_cert_check_in_background();

INFO("Installing deferred packages");
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/check_cpanel_pkgs --fix --no-broken --no-digest});

setup_ftpserver();

INFO("Waiting for MySQL/MariaDB installation to complete");
    _wait_for_background_tasks_to_finish($dbsetup_pid);
    INFO("Finished waiting for MySQL/MariaDB installation to complete");

_run_tasks_that_must_wait_until_deferred_are_installed();

Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/ensure_crontab_permissions');

# Run upcp for the first time.
    # NOTE: This will start cpanellogd.
    INFO(" ");
    INFO(" ");
    INFO("Running upcp for the first time.");
    INFO(" ");
    INFO(" ");

# upcp will link 3rdparty binaries
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/upcp manual});    # --force should not be needed

_install_deferred_targets();

if ( !Cpanel::Server::Type::is_dnsonly() ) {                                            # Fix for broken mailman installer ( still needed )
        Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/set_mailman_archive_perms', '--background' );
    }

schdir($installer_dir);

# Restore any staged cpanel accounts
    cpanel_account_restore();

# Tailwatchd should be started from the queue
    # to avoid a race condition where its already in the queue
    # and we try to start it.
    #
    # Previously we would start tailwatchd after
    # flushing the task queue which lead to a race
    # condition where the task queue might start it
    # and then restartsrv would try as well.  The one
    # that lost the race would error.  By putting it
    # in the queue we ensure we only do it once.

# CPANEL-26289: Ensure locales are the first thing we do in the background
    # after the install finishes to preserve legacy behavior
    _schedule_task( 'LocaleTasks' => "build_locale_databases", 20 );

_schedule_task( 'TailwatchTasks'    => 'reloadtailwatch',           200 );
    _schedule_task( 'SpamassassinTasks' => 'update_spamassassin_rules', 3000 );

INFO("Queuing system package update");
    _schedule_task( 'API'              => "verify_api_spec_files",     2000 );
    _schedule_task( 'MaintenanceTasks' => 'run_system_package_update', 1000 );    #rpmup

# ensure_rpms_installed will only install the most critical
    # rpms because sysup limits the number of rpms that
    # are installed during CPANEL_BASE_INSTALL=1 to ensure we can
    # move on as fast as possible.
    # Since users have come to expect some rpms will
    # be preinstalled on cPanel systems we do these in the
    # background.
    _schedule_task( 'MaintenanceTasks' => 'run_base_package_update', 700 );    #sysup

_schedule_task( 'TemplateTasks' => "rebuild_templates",                             500 );
    _schedule_task( 'ScriptTasks'   => "run_script /usr/local/cpanel/scripts/mailperm", 3500 );

# Do this last as its of low importance since we won't have enough accounts on the system
    # soon enough for it to matter
    _schedule_task( 'MaintenanceTasks' => 'find_outdated_services', 3600 );

# Remove any unneeded rpms that could not be removed during this install
    # in order to prevent a condition where we see : Error: Rpmdb changed underneath us
    _schedule_task( 'CheckPkgTasks' => 'check_cpanel_pkgs', 2000 );

# CPANEL-26871: ensure httpd.conf is rebuilt once splitlogs has been installed
    # in the upcp
    warn if !eval { Cpanel::ServerTasks::queue_task( ['ApacheTasks'], 'build_apache_conf', 'apache_restart' ); 1 };

# Do not defer this. We need this in place before the first login.
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/install_cpanel_analytics});

# CPANEL-27822: defer checks of spamd for 30 minutes since the latest rules
    # will be installed in the background
    Cpanel::Chkservd::Tiny::suspend_service( 'spamd', 60 * 30 );
    _schedule_task( 'CpServicesTasks' => "restartsrv spamd", 1 );

# Install ImunifyAV if it's available for this platform
    _schedule_task( 'ImunifyTasks' => 'install_imunifyav', 900 );

# Install WP Toolkit
    _schedule_task( 'WPTK' => 'install_wptk', 1200 );

_wait_for_background_tasks_to_finish( keys %background_pids );

INFO("Enabling one-time shutdown hook");

# cpcleartaskqueue utilizes ExecStop to suspend chkservd, stop queueprocd,
    # and runs "bin/servers_queue run" (ignore scheduling and run all queued tasks now)
    # -- upon stoppage of the service i.e. when the server is shut down
    Cpanel::Install::Utils::Command::ssystem( $systemctl_bin, 'start', 'cpcleartaskqueue' );

INFO("Flushing the task queue");

# Queueprocd will start tailwatchd
    # restart a few services and do an on-demand run of the task queue
    restart_services_and_run_all_tasks_in_queue();

my $finishtime        = time();
    my $installtime       = $finishtime - $installstart;
    my $installfinishtime = localtime($finishtime);

INFO( sprintf( "cPanel install finished in %d minutes and %d seconds!", int( $installtime / 60 ), $installtime % 60 ) );

display_howto();

# Check if the kernel set for boot matches what's currently running (uname -r)
    notify_if_boot_kernel_changed();

save_system_config_at_install_for_analytics();

if ( -x '/root/cpanel_profile/postinstallhook' ) {
        INFO("Running /root/cpanel_profile/postinstallhook");
        Cpanel::Install::Utils::Command::ssystem('/root/cpanel_profile/postinstallhook');
    }

return 0;
}

sub _schedule_task ( $plugin, $task, $delay = 120 ) {

die q[Invalid plugin name] if ref $plugin;
    die qq[invalid task name $task] if $task =~ m{^\d+$}a;
    die qq[invalid delay '$delay' for task $task] unless $delay =~ m{^\d+$}a;

INFO("schedule_task: [ $plugin ], $task in $delay seconds.");
    warn unless eval { Cpanel::ServerTasks::schedule_task( [$plugin], $delay, $task ); 1 };

return;
}

### ---- END sub script ---- ####

sub schdir {
    my $dir = shift;
    my $cwd = Cwd::getcwd();
    chdir($dir) || die "Cannot chdir to ${dir} ($!), cwd was: $cwd";

return;
}

sub _run_modular_jobs {
    my $runner = Cpanel::Install::JobRunner->new();
    $runner->dispatch_next() while $runner->get_pending_jobs();

return;
}

# NOTE : This code is duplicated in build-tools/bootstrap_sandbox . If you change this, you probably need to change it there as well.
sub disable_fs_protected_regular_if_needed {

return unless Cpanel::OS::kernel_supports_fs_protected_regular();

my $current_value = Cpanel::SafeRun::Object->new( 'program' => "/usr/sbin/sysctl", 'args' => [ '--binary', '--ignore', 'fs.protected_regular' ] )->stdout();

# Assume that fs.regular_fifos could also be enabled, so disable them now..
    unless ( length $current_value && $current_value eq 0 ) {
        Cpanel::Install::Utils::Command::ssystem( '/usr/sbin/sysctl', 'fs.protected_regular=0' );
        Cpanel::Install::Utils::Command::ssystem( '/usr/sbin/sysctl', 'fs.protected_fifos=0' );
    }

# .. and ensure they stay disabled on reboot
    my $sysctl_conf_path = '/usr/lib/sysctl.d/protect-links.conf';

if ( open( my $sysctl_conf_rd_fh, '<', $sysctl_conf_path ) ) {
        my @file_contents = (<$sysctl_conf_rd_fh>);
        close($sysctl_conf_rd_fh);

if ( open( my $sysctl_conf_wr_fh, '>', $sysctl_conf_path ) ) {
            foreach my $line (@file_contents) {
                chomp $line;
                if ( $line =~ m/^fs\.protected_regular/ ) {
                    print $sysctl_conf_wr_fh "fs.protected_regular = 0\n";
                }
                elsif ( $line =~ m/^fs\.protected_fifos/ ) {
                    print $sysctl_conf_wr_fh "fs.protected_fifos = 0\n";
                }
                else {
                    print $sysctl_conf_wr_fh "$line\n";
                }
            }
            close($sysctl_conf_wr_fh);
        }
    }
    return;
}

sub ensure_rpms_installed {

unlink '/var/cpanel/useyum';    # No longer used by cPanel.

# Assure yum exclusions are reinstated
    unlink '/etc/checkyumdisable';

# We do not need to run sysup since its run as part of Cpanel::Update::Now
    return;
}

# We need to ensure that certain repos with legacy SHA-1 signatures still function.
sub ensure_crypto_policy_has_sha1 {
    my $crypto_policies_bin = Cpanel::Binaries::path('update-crypto-policies');
    my $system_module_path  = '/usr/share/crypto-policies/policies/modules';
    my $custom_module_path  = '/etc/crypto-policies/policies/modules';
    my $cpanel_module_path  = '/usr/local/cpanel/etc/crypto-policies';
    my $target_module_name  = 'SHA1';

if ( Cpanel::OS::crypto_policy_needs_sha1() ) {
        if ( !Cpanel::OS::crypto_policy_os_provides_sha1_module() ) {

$target_module_name = 'CPANEL-SHA1';
            File::Copy::cp( "$cpanel_module_path/$target_module_name.pmod", "$custom_module_path/$target_module_name.pmod" );
        }
        Cpanel::Install::Utils::Command::ssystem( $crypto_policies_bin, '--set', "DEFAULT:$target_module_name" );
    }

return;
}

sub update_system_clock {
    my $installstart = shift;

# Set the clock
    my $was = time();
    Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/rdate');
    my $now = time();
    INFO( "Clock set to: " . localtime($now) );
    my $change = $now - $was;

# Adjust the start time if it shifted more than 10 seconds.
    if ( abs($change) > 10 ) {
        WARN("Clock changed by $change seconds.");
        $installstart += $change;
        WARN( "Starting time adjusted to " . localtime($installstart) );
    }
    else {
        INFO("Clock changed by $change seconds");
    }

return $installstart;
}

sub set_up_swap_if_needed {
    INFO('Checking for sufficient memory or swap.');

return if Cpanel::OSSys::Env::get_envtype() eq 'virtuozzo';

Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/bin/create-swap --if-needed --verbose});

return;
}

sub _early_install_tasks {
    return qw{
      Repos FixPamConf MailMan DefaultFeatureFiles
      Users Conf ExternalAuth CPanelPost
      ResellersInit FixLogPermissions Perm SecurityCheck
    };
}

sub do_taskrun {
    INFO('Setting up early taskrun items.');

foreach my $task ( _early_install_tasks() ) {
        Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/3rdparty/bin/perl', "/usr/local/cpanel/install/$task.pm" );
    }

Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_dnsadmin  --stop --notconfigured-ok});
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_dnsadmin  --start});

return;
}

sub download_mariadb_or_mysql {
    my ($skip_apache) = @_;

# If download_mariadb_or_mysql dies this is ok as it will only slow
    # down the install since we retry the download during the install
    my $finally = Cpanel::Finally->new(
        sub {
            Cpanel::FileUtils::TouchFile::touchfile($mysql_rpm_download_complete_file);
        }
    );

local $ENV{CPANEL_BASE_INSTALL} = 0;    # build_mysql_conf will exit if this is 1 to prevent double rebuilds
    my $set_version = _get_mysql_set_version();

# We don't need to do this for MySQL 5.6 and below
    return 1 if ( $set_version < 5.7 );

my $install_obj = _create_mysqldb_install_obj($set_version);

INFO("Preparing to download MySQL/MariaDB packages");

# Work around race condition where the mysql download starts before ea4 install
    # by waiting for ea4 to have profiles in place in order to avoid
    # the state where the mysql download blocks ea4 from installing via yum lock
    _wait_for_ea4_profiles_to_be_installed() if !$skip_apache && !Cpanel::Server::Type::is_dnsonly();

INFO("Starting MySQL/MariaDB package download");
    $install_obj->download_pkgs($set_version);

return 1;
}

sub install_mariadb_or_mysql {
    my ($skip_apache) = @_;
    local $ENV{CPANEL_BASE_INSTALL} = 0;    # build_mysql_conf will exit if this is 1 to prevent double rebuilds
    my $set_version = _get_mysql_set_version();
    INFO("The 'mysql-version' key is set to: $set_version.");
    my $type = _get_mysql_type($set_version);

my $install_obj = _create_mysqldb_install_obj($set_version);
    if ( Cpanel::OS::db_needs_preseed() && !Cpanel::MariaDB::version_is_mariadb($set_version) ) {
        my $preseed_path = $install_obj->write_preseed_file($set_version);
        $install_obj->preseed_configuration($preseed_path);
    }

return _do_mysqlbase_db_install( $type, $set_version, $install_obj, $skip_apache );
}

sub _do_mysqlbase_db_install {
    my ( $type, $set_version, $install_obj, $skip_apache ) = @_;

if ($set_version) {
        INFO("Installing $type");

INFO("Installing $type dependencies");
        if ( $set_version < 5.7 ) {

# Deps will be installed automatically if
            # we are using yum repos so there is no need
            # to do a separate yum transaction which only
            # slows things down
            $install_obj->install_known_deps($set_version);
        }
        else {
            INFO("Installing $type packages");

_wait_for_mysql_to_be_downloaded();
            _wait_for_ea4_to_be_installed() if !$skip_apache && !Cpanel::Server::Type::is_dnsonly();

# A dry-run is pointless since we have not installed
            # $type before
            $install_obj->install_pkgs_without_dry_run($set_version);

# Needs the file /etc/apparmor.d/usr.sbin.mysqld in place (by installing mysql package), so this must be done after installing the packages
            if ( Cpanel::OS::security_service() eq 'apparmor' ) {
                $install_obj->configure_apparmor();
            }
        }
    }

if ( -e '/var/run/mysqld/mysqld.sock' && !-e '/var/lib/mysql/mysql.sock' ) {
        symlink( '/var/run/mysqld/mysqld.sock', '/var/lib/mysql/mysql.sock' );
    }

INFO("Installing $type Upgrade Hooks");
    $install_obj->install_upgrade_hook();

return;
}

sub _get_mysql_set_version {
    my $config = scalar Cpanel::Config::LoadCpConf::loadcpconf_not_copy();
    return $config->{'mysql-version'};
}

sub _get_mysql_type {
    my ($set_version) = @_;
    return Cpanel::MariaDB::version_is_mariadb($set_version) ? 'MariaDB' : 'MySQL';

}

sub _create_mysqldb_install_obj {
    my ($set_version) = @_;
    INFO("The 'mysql-version' key is set to: $set_version.");
    my $type         = _get_mysql_type($set_version);
    my $pass_version = $set_version >= 5.7 ? $set_version : undef;
    my $module       = $module_by_type{$type} or die "Failed to determine module from type: “$type”";
    Cpanel::LoadModule::load_perl_module($module);
    return "$module"->new(
        'output_obj'            => Cpanel::Install::Utils::Logger::get_output_obj(),
        'skip_build_mysql_conf' => 1,

# For 5.7+ we no longer have any targets in etc/rpm.versions
        # so lets not block rpm to do nothing as it slows down the
        # whole install
        ( $set_version >= 5.7 ? ( 'skip_ensure_rpms' => 1 ) : () )
    );
}

sub run_roundcube_ifnecessary {

return unless my $v = Cpanel::Pkgr::get_package_version('cpanel-roundcubemail');

local $ENV{'CPANEL_ROUNDCUBE_INSTALL_VERSION'} = $v;
    INFO('Running /usr/local/cpanel/bin/update-roundcube-db');
    Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/bin/update-roundcube-db});
    INFO('/usr/local/cpanel/bin/update-roundcube-db Done');
    return;
}

sub setup_openidconnect_for_cpanelid() {

INFO("Setup cPanelID");

# In CPANEL-28178 we fixed cPanelID.pm to observe the SUPER's return of
    # undef when the underlying configuration was missing.  This now makes
    # is_configured return the correct result which allows us to fix the
    # missing config.
    require Cpanel::Security::Authn::OpenIdConnect;
    my $provider = Cpanel::Security::Authn::OpenIdConnect::get_openid_provider( 'cpaneld', 'cpanelid' );
    if ( !$provider->is_configured() ) {
        $provider->set_client_configuration( { 'client_id' => 'auto', 'client_secret' => 'auto' } );
    }

return;
}

sub _setup_databases_and_dependent_apps {
    my ($skip_apache) = @_;
    return _run_in_background(
        sub {
            my $finally;

# Defer this
            use warnings qw(once redefine);
            my $restoreconpath = '/usr/sbin/restorecon';
            if ( -l $restoreconpath ) {
                my $target = readlink($restoreconpath);

# This is a hack to avoid modifing the mysql rpms
                # which is only safe since we are doing a base cPanel install
                # and require selinux to be disabled anyways.
                #
                # Prevent the installer from calling restorecon
                # during mysql install since we have selinux disabled
                # and this causes a stall.  We put restorecon back
                # after the mysql parts are done
                unlink($restoreconpath);
                $finally = Cpanel::Finally->new(
                    sub {
                        symlink( $target, $restoreconpath ) or die "Failed to restore $restoreconpath link to $target: $!";
                    }
                );

}

# Install MariaDB or a version of Mysql 5.7+ if necessary.
            install_mariadb_or_mysql($skip_apache);

# Do this before starting mysql
            {
                # Avoid doing anything that requires mysql to be running
                Cpanel::MysqlUtils::MyCnf::Adjust::auto_adjust(
                    {
                        'force'      => 1,
                        'debug'      => 0,
                        'verbose'    => 1,
                        'no-restart' => 1,
                    }
                );
            }

Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/update_mysql_systemd_config');

Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/bin/build_mysql_conf --no-upgrade --no-selinux});

# Run scripts/securemysql is no longer needed
            # since all yum based installed call build_mysql_conf
            # which will do this

Cpanel::Init::Simple::call_cpservice_with( Cpanel::MysqlUtils::ServiceName::get_installed_version_service_name() => qw/enable/ );

undef $finally;

Cpanel::Chkservd::Manage::enable('mysql');

return 0;
        },
        'SQL Databases and dependent apps'
    );
}

sub upgrade_to_cloud_linux {
    DEBUG("Detecting if Cloud Linux is licensed through cpanel");

# Assure local::lib to /usr/bin/perl so perl modules can be installed to home directories.
    # upcp now does this

my $license_options = `/usr/local/cpanel/cpanel -F`;    ## no critic qw(Cpanel::ProhibitQxAndBackticks)
    return if $license_options !~ m/cloudlinux/ms;

my $cloud_installer = '/usr/local/cpanel/bin/cloudlinux_update';
    INFO("Upgrading your distro to Cloud Linux");
    if ( !-x $cloud_installer ) {
        WARN("Cannot convert your system to Cloud Linux without $cloud_installer");
    }
    else {
        Cpanel::Install::Utils::Command::ssystem($cloud_installer);
        Cpanel::OS::clear_cache_after_cloudlinux_update();                                                   #
        die q[Unuspported distribution: ] . Cpanel::OS::display_name() unless Cpanel::OS::is_supported();    # make sure the new version is supported
    }

# Re-check system to make sure we haven't moved to cloud linux
    return;
}

sub setup_ftpserver {

my $config = scalar Cpanel::Config::LoadCpConf::loadcpconf();

# Setup the FTP server. Default to disabled

my $target = $config->{'ftpserver'} || 'disabled';
    $target = 'disabled' if ( Cpanel::Server::Type::is_dnsonly() );    # DNSONLY installs cannot set a custom ftp server.

Cpanel::Install::Utils::Logger::INFO("Setting up FTP server to '$target'");
    if ( $target !~ m/^(disabled|proftpd|pure-ftpd)$/ ) {
        Cpanel::Install::Utils::Logger::WARN("$target is an unsupported ftpserver. Will default to 'disabled' instead");
        $target = 'disabled';
    }

my $no_anon_ftp = '/var/cpanel/noanonftp';
    if ( !-e $no_anon_ftp && $target ne 'disabled' ) {
        Cpanel::Install::Utils::Logger::INFO('Defaulting Anonymous FTP off');
        Cpanel::FileUtils::TouchFile::touchfile('/var/cpanel/noanonftp');    # Default
    }

Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/setupftpserver', $target );

return;
}

sub setup_nameserver {

my $config = scalar Cpanel::Config::LoadCpConf::loadcpconf();

# Setup the name server. Default to PowerDNS
    {
        # powerdns should be the default everywhere unless another choice was set
        my $default_nameserver = Cpanel::OS::list_contains_value( 'dns_supported', 'powerdns' ) ? 'powerdns'    #
          : Cpanel::OS::list_contains_value( 'dns_supported', 'bind' ) ? 'bind'
          : 'disabled'                                                                                          #
          ;

my $target = $config->{'local_nameserver_type'} || $default_nameserver;
        INFO("Setting up name server to '$target'");

# Make sure the nameserver can be installed on the system
        my ( $valid, $reason ) = Cpanel::NameServer::Utils::Enabled::valid_nameserver_type($target);
        if ( !$valid ) {
            my $fallback = $target ne $default_nameserver ? $default_nameserver : 'disabled';
            WARN("$target cannot be setup on your system (will default to '$fallback' instead): $reason");
            $target = $fallback;
            ( $valid, $reason ) = Cpanel::NameServer::Utils::Enabled::valid_nameserver_type($target);
            FATAL("$target is an unsupported name server: $reason.") unless $valid;
        }

# The name server must be set up before attempting to reset it to cPanel defaults.
        Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/setupnameserver', '--force', $target );

if ( $target =~ m/^(bind|powerdns)$/ ) {
            if ( -e '/etc/named.conf' ) {
                INFO("Saving /etc/named.conf, and rebuild with cPanel defaults");
                if ( rename '/etc/named.conf', '/etc/named.conf.precpanelinstall' ) {
                    Cpanel::Install::Utils::Command::ssystem('/usr/local/cpanel/scripts/rebuilddnsconfig');
                }
                else {
                    WARN("Unable to rebuild /etc/named.conf file");
                }
            }
        }

}

# Setup the mail server.
    {
        my $target = $config->{'mailserver'};
        $target = 'disabled' if ( Cpanel::Server::Type::is_dnsonly() );    # DNSONLY installs cannot set a custom mail server.

INFO("Setting up mail server to '$target'");
        if ( $target !~ m/^(disabled|dovecot)$/ ) {
            WARN("$target is an unsupported mail server. Will default to 'dovecot' instead");
            $target = 'dovecot';
        }
        Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/setupmailserver', $target );
    }

return;
}

sub setup_misc_cpanel_config_files {

INFO('Setting up misc cPanel config files.');

# FB Case about running this out of maintenance and into the install script
    DEBUG('  Running scripts/secureit');
    Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/scripts/secureit', '--fast' );

# rc.local is not run with systemd.
    if ( Cpanel::OS::service_manager() eq 'initd' ) {

# sync time on reboot.
        my $rc_local = '/etc/rc.d/rc.local';
        DEBUG('  Configuring rdate to run on reboot');
        if ( open my $rc_fh, '>>', $rc_local ) {
            print {$rc_fh} "/usr/local/cpanel/scripts/rdate &\n";
            close $rc_fh;
        }
    }

DEBUG('  Setting WHM theme to x');
    Cpanel::FileUtils::Write::overwrite( '/var/cpanel/whmtheme', 'x', 0644 );

# can be missing on some systems
    Cpanel::FileUtils::TouchFile::touchfile('/etc/fstab');

DEBUG("Setup /var/cpanel/user_notifications/");
    mkdir '/var/cpanel/user_notifications/', 0751;

return;
}

sub setup_exim_config_defaults {

INFO('Setting up exim default configuration options.');

# Load the initial config, if the config file exists,
    # if it does not exist, start with an empty hash.
    my $initial_config = Cpanel::Config::LoadConfig::loadConfig( '/etc/exim.conf.localopts', undef, "=", undef, undef, 1 );
    $initial_config ||= {};

# Get all the initial config values that are not undefs
    my %config = map { $_ => $initial_config->{$_} }
      grep { defined $initial_config->{$_} }
      keys %{$initial_config};

# Fill the config with default values for any we don't already have
    # We don't want to step on any values already setup in the config file
    Whostmgr::TweakSettings::load_module('Mail');
    my $mail_conf;
    {
        no warnings 'once';
        $mail_conf = Whostmgr::TweakSettings::Mail::get_conf();    # PPI NO PARSE - loaded with load_module
    }

# Once Whostmgr::TweakSettings::Configure::Mail implements a save
    # function we can get rid of this and just use the save via
    # Whostmgr::TweakSettings::apply_module_settings
    foreach my $key ( sort keys %{$mail_conf} ) {

# Don't overwrite initial values
        next if exists $config{$key};

my $section;
        {
            no warnings 'once';
            $section = $Whostmgr::TweakSettings::Mail::Conf{$key};
        }
        next unless exists $section->{'default'};

# Start with the default value
        my $value = $section->{'default'};

# Execute if it is a code ref rather than an actual value
        $value = $value->() if ref $value eq 'CODE';

$config{$key} = $value;

# Some of these have actions to trigger creation of touch-files or symlinks
        # See that the action gets run
        if ( exists $section->{'action'} and ref $section->{'action'} eq 'CODE' ) {

# Pass the value as both the new value and the old value since this is to
            # be the initial value and we don't want to trigger running updateuserdomains multiple times
            $section->{'action'}->( $value, $value );
        }
    }

# Write out all settings
    my $rc = Cpanel::Config::FlushConfig::flushConfig( '/etc/exim.conf.localopts', \%config, undef, undef, { 'sort' => 1 } );
    WARN('Error writing exim default configuration options to:  /etc/exim.conf.localopts') unless $rc;

return;
}

sub os_service_restart {
    my $service = shift or die;

DEBUG("Restarting service $service");
    Cpanel::Init::Simple::call_cpservice_with( $service => qw/restart/ );

return;
}

sub cpanel_account_restore {
    my $acct_restore_file = '/etc/cpanelacctrestore';
    return if ( !-e $acct_restore_file );

INFO("Restoring Accounts.");
    sleep(2);

if ( open( my $fh, '<', $acct_restore_file ) ) {
        while (<$fh>) {
            s/\n//g;
            DEBUG("Restoring $_");
            Cpanel::Install::Utils::Command::ssystem( "/usr/local/cpanel/scripts/restorepkg", "$_" );
        }
        close($fh);
    }
    else {
        WARN("Failed to open $acct_restore_file: $!");
    }

return unlink($acct_restore_file);
}

sub enable_cphulkd {
    my $conf_dir = '/var/cpanel/hulkd';

INFO("Enabling cphulkd ...");
    mkdir "$conf_dir", 0755 unless -e "$conf_dir";

if ( Whostmgr::Services::enable('cphulkd') ) {

# Set up monitoring by default.
        Cpanel::Chkservd::Manage::enable('cphulkd');
        INFO("Done");
    }
    else {
        WARN("Unable to enable cphulkd");
    }

return;
}

sub enable_quotas {
    INFO("Enabling quotas ...");

my $old_umask = umask(0077);    # Case 92381: Logs should not be world-readable.
    open( my $fh, ">", _enable_quotas_log() ) || WARN("Unable to open log file for enabling quotas.");
    umask($old_umask);

my $quotas_run = Cpanel::SafeRun::Object->new(
        program => "/usr/local/cpanel/scripts/fixquotas",
        stdout  => $fh,
        stderr  => $fh,
    );

my $needs_reboot = Cpanel::Quota::Utils::reboot_required();
    WARN( $quotas_run->autopsy() ) if !$needs_reboot && $quotas_run->CHILD_ERROR();

if ($needs_reboot) {
        WARN("You must reboot the server after you enable quotas.");
    }

INFO("Done");

return;
}

sub hide_feature_showcase {
    INFO("Disabling feature showcase ...");

my $drivers  = Cpanel::Config::ConfigObj::get_available_drivers( 1, 1 );
    my $showcase = Cpanel::FeatureShowcase->new();
    my @features = $showcase->get_feature_showcase_names();
    push @features, keys %{$drivers};

return unless scalar @features;

$showcase->mark_features_as_viewed( $Cpanel::FeatureShowcase::SOURCE_GUI, @features );

INFO("Done");

return;
}

sub _enable_quotas_log {
    return "/var/log/quota_enable.log";
}

sub notify_if_boot_kernel_changed {
    my $boot_kernel = eval { Cpanel::Kernel::GetDefault::get() } // '';
    WARN($@) if $@;

my $current_kernel = Cpanel::Kernel::get_running_version() // '';
    return if $current_kernel eq $boot_kernel;

WARN("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
    WARN("Your system kernel may have been updated.");
    WARN("Current kernel ($current_kernel) has been changed to: $boot_kernel");
    WARN("Before rebooting the system, please ensure that the installed kernel version is compatible with your deployment.");
    if ( Cpanel::OS::is_cloudlinux() ) {
        WARN(" ");
        WARN(" ************************************************************************************************************");
        WARN(" ");
        WARN("   NOTE: Because this is a Cloud Linux install, cPanel WILL NOT BE FULLY FUNCTIONAL until you reboot. ");
        WARN(" ");
        WARN(" ************************************************************************************************************");
        WARN(" ");
    }
    WARN("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");

return;
}

sub open_logs {
    my $log_file = '/var/log/cpanel-install.log';
    $ENV{'TZ'} = Cpanel::Timezones::calculate_TZ_env();
    Cpanel::Install::Utils::Logger::init($log_file);
    return;
}

sub os_service_stop {
    my $service = shift or die;

DEBUG("Ensuring service $service is not running");
    local $@;

# Do not warn since many of these may not be installed
    eval {
        local $SIG{'__WARN__'} = sub { return; };
        Cpanel::Init::Simple::call_cpservice_with( $service => qw/stop/ );
    };

# Even if the init script doesn't exist, try to kill the service.
    if ( Cpanel::Install::Utils::Command::ssystem( 'killall', '-q', $service ) == 0 ) {
        Cpanel::Install::Utils::Command::ssystem( 'killall', '-q', '-9', $service );
        DEBUG("Killed $service");
    }

return;
}

sub touch {    ## no critic qw(RequireArgUnpacking)
    my $file = shift;

open( my $fh, ">>", $file ) or return;
    print {$fh} '';    # Must send something to the file or it doesn't save

foreach my $line (@_) {    # concat anything passed into the subroutine.
        print {$fh} $line;
    }
    close $fh;

return;
}

sub usage {
    my $prog = $0;
    $prog =~ s{^.+/(.+)$}{$1};
    print "This script should not be called manually.\n";
    exit;                      ## no critic qw(Cpanel::NoExitsFromSubroutines) -- pre-existing code; protects against manual invocation
}

sub disable_and_remove_init_services {
    INFO("Disabling unneeded services...");

my @service_shutdown = qw(named);
    push @service_shutdown, qw(smail sendmail postfix master httpd apache wu-ftpd inetd)
      if ( !Cpanel::Server::Type::is_dnsonly() );

Cpanel::NSCD::Log::disable_logging();

INFO("Stopping services:");
    foreach my $service (@service_shutdown) {
        os_service_stop($service);
    }

# p0f should be disabled on new installs
    Whostmgr::Services::disable('p0f');

return;
}

sub get_howto {
    my $version = '';

if ( open( my $fh, "<", "/usr/local/cpanel/version" ) ) {
        $version = <$fh>;
        $version =~ s/^(\d+\.\d+).*/$1/gs;
    }

my $map = {
        version => $version,
        ip      => _get_public_ip(),
    };

return _howto_message($map);
}

sub display_howto {
    foreach my $line ( split( "\n", get_howto() ) ) {
        INFO($line);
    }

return;
}

sub save_system_config_at_install_for_analytics {
    my $data = {
        'hostname' => '',
        ## Add more data here
    };

eval {
        require Cpanel::JSON;
        require Cpanel::Analytics;
        require Cpanel::Sys::Hostname;
        require Cpanel::Analytics::Config;

$data->{'hostname'} = Cpanel::Sys::Hostname::gethostname(1);

Cpanel::Analytics::prerequisites();
        Cpanel::JSON::DumpFile( Cpanel::Analytics::Config::ANALYTICS_DATA_DIR() . '/system_config_at_install.json', $data );
    };

return;
}

sub _howto_message {
    my $map = shift;

my $login_url = Cpanel::SafeRun::Object->new( 'program' => "/usr/local/cpanel/scripts/whmlogin" )->stdout();
    chomp $login_url;

require Cpanel::Leika;
    if ( Cpanel::Leika::get_config("AuthProviders.WebProsAccountForceEnabled.whm") ) {
        require Cpanel::Sys::Hostname;
        my $hostname = Cpanel::Sys::Hostname::gethostname(1);
        $login_url .= "\n\n … or use this WebPros Account login:\n\nhttps://$hostname:2087/openid_connect/webpros";
    }

return <<EOM;
\e[0;36;40mCongratulations! Your installation of cPanel & WHM $map->{version} is now complete. The next step is to configure your server. \e[0m

Before you configure your server, ensure that your firewall allows access on port 2087.

After ensuring that your firewall allows access on port 2087, you can configure your server.

1. Open your preferred browser

2. Navigate to the following url using the address bar and enter this one-time autologin url:

$login_url

After the login url expires you generate a new one using the 'whmlogin' command or manually login at:

https://$map->{ip}:2087

Visit https://go.cpanel.net/whminit for more information about first-time configuration of your server.

Visit http://support.cpanel.net or https://go.cpanel.net/allfaq for additional support

Thank you for installing cPanel & WHM $map->{version}!

EOM
}

sub _get_public_ip {
    require Cpanel::DIp::MainIP;
    require Cpanel::NAT;
    return Cpanel::NAT::get_public_ip( Cpanel::DIp::MainIP::getmainip() );
}

sub cpanel_config_actions {
    return qw/
      allow_login_autocomplete apache_port dormant_services email_send_limits_count_mailman email_send_limits_defer_cutoff emailsperdaynotify
      enablecompileroptimizations eximmailtrap jailmountbinsuid jailmountusrbinsuid jailprocmode maxemailsperhour nobodyspam
      popbeforesmtpsenders signature_validation skipbwlimitcheck skipparentcheck userdirprotect securetmp_file_size
      /;
}

sub cpanel_config_post_actions {
    return qw/
      allow_deprecated_accesshash
      api_shell
      conserve_memory
      domainowner_mail_pass
      email_send_limits_min_defer_fail_to_trigger_protection
      enablefileprotect
      exim-retrytime
      invite_sub
      phploader
      popbeforesmtp
      resetpass
      resetpass_sub
      skipanalog
      skipawstats
      skipwebalizer
      ssl_default_key_type
      smtpmailgidonly
      usemysqloldpass
      dav_dos_protection
      /;
}

# This subroutine helps document what action and post_action subs need to be run during a fresh install.
# A unit test will go off if you add a new one and don't update one of these subs
sub cpanel_config_ignored_actions {

# Post actions
    my @ignore = qw/ apache_ssl_port
      allow_login_autocomplete autodiscover_proxy_subdomains ipv6_listen
      proxysubdomains autoupdate_certificate_on_hostname_mismatch /;

# Actions
    push @ignore, qw/allow_server_info_status_from autodiscover_host chkservd_check_interval jailapache skipdiskusage
      system_diskusage_critical_percent system_diskusage_warn_percent tcp_check_failure_threshold/;

# build_global_cache run by cpkeyclt
    push @ignore, qw/allowcpsslinstall display_cpanel_doclinks display_cpanel_promotions/;

# rebuild httpd.conf not required
    push @ignore, qw/enable_piped_logs/;

# MySQL restart is not required
    push @ignore, qw/
      mycnf_auto_adjust_innodb_buffer_pool_size
      mycnf_auto_adjust_maxallowedpacket
      mycnf_auto_adjust_openfiles_limit
      /;

# phpini and php_fpm already handled
    push @ignore, qw/
      php_max_execution_time
      php_memory_limit
      php_post_max_size
      php_upload_max_filesize
      /;
    push @ignore, qw/
      debughooks
      disable_cphttpd
      disk_usage_include_mailman
      disk_usage_include_sqldbs
      emailarchive
      pma_disableis
      requiressl
      server_locale
      skipboxtrapper
      skipmailman
      skipspamassassin
      skipspambox
      ssh_host_key_checking
      usemailformailmanurl
      xframecpsrvd
      /;

return @ignore;
}

sub do_cpanel_config_touch_files {
    my $cp_config = scalar Cpanel::Config::LoadCpConf::loadcpconf();
    Whostmgr::TweakSettings::load_module('Main');
    my $tweak_conf;
    {
        no warnings 'once';
        $tweak_conf = \%Whostmgr::TweakSettings::Main::Conf;
    }

# Block task queueing during a fresh install.
    no warnings 'redefine';
    local *Cpanel::ServerTasks::schedule_task = sub { };

# These actions expect a hash not a string to be passed in.
    $cp_config->{'dormant_services'}           = { map { $_ => 1 } split /\s*,\s*/, $cp_config->{'dormant_services'} };
    $tweak_conf->{'dormant_services'}{'value'} = sub { {} };
    $cp_config->{'phploader'}                  = { map { $_ => 1 } split( /,/, $cp_config->{'phploader'} ) };

# Walk all the actions.
    foreach my $key ( cpanel_config_actions() ) {
        next if ( !exists $cp_config->{$key} );
        next if ( !$tweak_conf->{$key} );
        next if ( ref $tweak_conf->{$key}->{'action'} ne 'CODE' );
        DEBUG("Running defined action for cpanel.config key $key");

$tweak_conf->{$key}->{'action'}->( $cp_config->{$key} );
    }

# Walk all the post actions.
    foreach my $key ( cpanel_config_post_actions() ) {
        next if ( !exists $cp_config->{$key} );
        next if ( !$tweak_conf->{$key} );
        next if ( ref $tweak_conf->{$key}->{'post_action'} ne 'CODE' );

DEBUG("Running defined post_action for cpanel.config key $key");
        $tweak_conf->{$key}->{'post_action'}->( $cp_config->{$key}, undef, 1 );
    }

return;
}

sub _run_in_background ( $code, $desc = '' ) {

if ($run_tasks_in_main_process) {

# fork and wait for the job: do not leak anything to the main processs...
        return _run_and_wait_in_background( $code, $desc );
    }

return __fork_and_run( $code, $desc );
}

sub _run_and_wait_in_background ( $code, $desc = '', %opts ) {

my $pid = __fork_and_run( $code, $desc ) or return;

$opts{verbose} //= 0;

return _wait_for_background_pids( { $pid => 1 }, %opts );
}

sub __fork_and_run ( $code, $desc = '' ) {

my $pid = Cpanel::ForkAsync::do_in_child(
        sub {
            local $0 = "cpanel_initial_install - $desc";
            my $status = $code->() // 0;
            return $status;
        }
    );
    $background_pids{$pid} = $desc;

return $pid;
}

sub _wait_for_background_tasks_to_finish (@pids) {

return 1 unless scalar @pids;

my $verbose = 1;

my %pids_to_check = map { $_ => 1 } @pids;
    while (1) {
        last unless _wait_for_background_pids( \%pids_to_check, verbose => $verbose );
        $verbose = 0;
        my $total_pids = scalar keys %pids_to_check;
        last unless $total_pids;
        _show_wait_for("$total_pids background tasks");
        Cpanel::TimeHiRes::sleep(0.25);
    }
    return 1;
}

sub _wait_for_background_pids ( $pids_to_check_hr, %opts ) {
    return 1 if $run_tasks_in_main_process;
    my @pids = sort keys %$pids_to_check_hr;
    return unless scalar @pids;    # nothing to wait for

my $verbose = delete $opts{verbose} // 1;

DEBUG("_wait_for_background_pids: @pids") if $verbose;

$opts{stop_on_failure} //= 1;    # default
    my $stop_on_failure = delete $opts{stop_on_failure};
    FATAL( "Unknown arguments: " . join( ', ', sort keys %opts ) ) if scalar keys %opts;

foreach my $pid (@pids) {
        my $waitpid_result = waitpid( $pid, $Cpanel::Wait::Constants::WNOHANG );
        if ( $waitpid_result != 0 ) {
            if ( $waitpid_result > 0 ) {    # -1 means its already dead and $? is not set
                my $exit_code = $?;
                if ( $exit_code != 0 ) {
                    my $child_error_msg = Cpanel::ChildErrorStringifier->new($?)->autopsy();
                    my $error_type      = $stop_on_failure ? 'a fatal error' : 'a warning';
                    my $msg             = "The background process “$background_pids{$pid}” failed with $error_type: $child_error_msg";
                    if ($stop_on_failure) {
                        kill 'TERM', keys %background_pids;
                        FATAL($msg);
                    }
                    else {
                        WARN($msg);
                    }
                }
            }
            DEBUG("Process: $pid - $background_pids{$pid} has finished.");
            delete $background_pids{$pid};
            delete $pids_to_check_hr->{$pid};
        }
    }
    return 1;
}

# If a server has 2GB+ ram, we now enable PHP-FPM by default for new accounts
sub set_up_php_fpm_by_default {

require Cpanel::PHPFPM::Config;
    Cpanel::PHPFPM::Config::set_default_accounts_to_fpm(1) if Cpanel::PHPFPM::Config::should_default();

{
        # enforce the creation of /var/cpanel/php-fpm.d
        require Cpanel::Server::FPM::Manager;
        local $@;
        eval { Cpanel::Server::FPM::Manager::sync_config_files(); } or warn $@;
    }

# customer decides in feature showcase
    Cpanel::Chkservd::Manage::disable('cpanel_php_fpm');
    Whostmgr::Services::disable('cpanel_php_fpm');

return;
}

sub _setup_dns_and_dkim {

{
        require Whostmgr::ACLS;
        require Whostmgr::Hostname::DNS;
        local $ENV{'REMOTE_USER'} = 'root';
        Whostmgr::ACLS::init_acls();
        my ( $status, $statusmsg, $statuscode ) = Whostmgr::Hostname::DNS::ensure_dns_for_hostname();

Whostmgr::ACLS::clear_acls();

if ( !$status && $statuscode && $statuscode == Cpanel::DnsUtils::Add::STATUS_NO_NSS_CONFD() ) {

# If there are no nameservers setup this will fail
            # and that is expected.  In this case the hostname
            # change will triger the A entry and DKIM
            # add via Whostmgr::Hostname
            return;
        }
        warn $statusmsg if !$status && length $statusmsg;
    }

{
        require Cpanel::DKIM;
        require Cpanel::Hostname;
        my $hostname = Cpanel::Hostname::gethostname(1);
        if ( !Cpanel::DKIM::get_domain_private_key($hostname) ) {
            require Cpanel::DKIM::Transaction;
            my $dkim = Cpanel::DKIM::Transaction->new();

# We do not care about failures here since
            # we expect they won't control DNS most of
            # the time for the hostname.
            $dkim->set_up_user_domains( 'root', [$hostname] );
            $dkim->commit();
        }
    }
    return;
}

sub restart_services_and_run_all_tasks_in_queue {
    return Cpanel::Daemonizer::Tiny::run_as_daemon(
        sub {
            local $ENV{CPANEL_BASE_INSTALL} = 0;
            open( STDERR, '>>', '/usr/local/cpanel/logs/error_log' )
              or die "Could not redirect STDERR to /usr/local/cpanel/logs/error_log: $!";
            open( STDOUT, '>&=', \*STDERR );    ## no critic(InputOutput::RequireCheckedOpen)

Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_cpsrvd});
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_queueprocd});
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_apache_php_fpm});

say "[$$] Flushing task queue.";
            system(qw{/usr/local/cpanel/bin/servers_queue run});
            say "[$$] Completed flushing task queue.";

say "[$$] Done.";

return;
        }
    );
}

sub _run_tasks_that_must_wait_until_deferred_are_installed {

{
        require '/usr/local/cpanel/scripts/fixquotas';    ## no critic qw(RequireBarewordIncludes)
        Scripts::FixQuotas::_install_quota_packages_conditional_if_needed();
    }

return _run_in_background(
        sub {

# Enable services for startup.
            # TODO: Add chkconfig to RPM spec entries and remove this code.
            my @services = qw/cpanel sshd nscd/;
            INFO('Adding services to startup.');
            foreach my $service (@services) {
                INFO(" - Enabling $service");
                Cpanel::Init::Simple::call_cpservice_with( $service => qw/enable/ );
            }

# enable cphulkd by default
            enable_cphulkd();

# enable quotas by default except on DNSONLY systems
            enable_quotas() unless Cpanel::Server::Type::is_dnsonly();

INFO("Automatically enabling features");
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/ensure_autoenabled_features --run});

# mark features as shown, so no feature showcase is
            # seen on new installs
            hide_feature_showcase();

# This does not need MySQL to be installed yet
            INFO("Update phpMyAdmin configuration");
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/bin/update_phpmyadmin_config --force});

# do roundcube finishing touches #
            run_roundcube_ifnecessary();

# deferred Exim RPM installation overwrote changes to /etc/sysconfig/exim, so restore those:
            require Whostmgr::Exim::Sysconfig;
            my $cp_config = scalar Cpanel::Config::LoadCpConf::loadcpconf();
            Whostmgr::Exim::Sysconfig::update_sysconfig( $cp_config->{'exim-retrytime'} ) if defined $cp_config->{'exim-retrytime'};

# Setup cPanelID
            setup_openidconnect_for_cpanelid();

return 0;
        },
        "Apps that require deferred packages"
    );
}

sub _run_webserver_post_install_and_ssl_cert_check_in_background {
    return _run_in_background(
        sub {
            # We Start cpsrvd and httpd because there may be a license type change in the middle
            # of the install
            #
            # If the WebServer is disabled then checkallsslcerts will be doing HTTP DCV with cpsrvd
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_cpsrvd --force});

# If the WebServer is not disabled then checkallsslcerts will be doing HTTP DCV with httpd
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/restartsrv_httpd --force});

# Since we wait for the apache install to finish
            # we do this after _wait_for_background_tasks_to_finish on $ea4_or_universal_hooks_install_pid
            # Enable PHP-FPM by default for new accounts on systems with 2GB+ ram
            set_up_php_fpm_by_default();

# Now that apache is up we can try to get an ssl certificate
            Cpanel::Install::LetsEncrypt::install_and_activate();
            Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/bin/checkallsslcerts --verbose});

# Try again to get an ssl certificate to decrease the chances that
            # their first WHM login is to an insecure page.

warn if !eval { Cpanel::ServerTasks::schedule_task( ['SSLTasks'], 60, 'checkallsslcerts --retry' ); 1 };

# sanity fix existing zones on the server
            warn if !eval { Cpanel::ServerTasks::schedule_task( ['ScriptTasks'], 1, 'run_script /usr/local/cpanel/scripts/fix_dns_zone_ttls --fix' ); 1 };

return 0;
        },
        'WebServer post install and SSL certificate check'
    );

}

sub _run_tasks_that_can_be_done_after_updatenow_in_the_background {

return _run_in_background(
        sub {
            DEBUG("Starting tasks_that_can_be_done_after_updatenow_in_the_background");

# We do these in a background on initial install
            # while we are waiting for upcp
            my @pre_maint = (

# CPANEL-26289: ensure en is available right away after install finishes
                ['/usr/local/cpanel/bin/hulkdsetup'],
                [ '/usr/local/cpanel/bin/build_locale_databases', '--locale=en' ],
                [ '/usr/local/cpanel/scripts/autorepair',         'autorepair' ],
                [ '/usr/local/cpanel/scripts/manage_greylisting', '--init', '--update_common_mail_providers' ],
                ['/usr/local/cpanel/bin/setupdbmap'],
                [ '/usr/local/cpanel/scripts/check_maxmem_against_domains_count', '--always-fix' ],
                ['/usr/local/cpanel/scripts/fixetchosts'],
                [ '/usr/local/cpanel/scripts/litespeed-check', '--run' ],
                [qw{/usr/local/cpanel/bin/install-login-profile --install cpanel-user-commands}],
            );
            foreach my $cmd (@pre_maint) {
                DEBUG("Task after updatenow: @$cmd");
                Cpanel::Install::Utils::Command::ssystem(@$cmd);
            }

for my $cmd (
                'migrate_tweak_settings',
                'legacy_cfg_installer',
                'register_hooks',
                'build_userdata_cache',
            ) {
                DEBUG("Task after updatenow: $cmd");
                Cpanel::Install::Utils::Command::ssystem("/usr/local/cpanel/bin/$cmd");
            }

my $eximdb_run = Cpanel::SafeRun::Object->new(
                program => $^X,
                args    => [
                    '-MCpanel::EximStats::ConnectDB',
                    '-e' => 'Cpanel::EximStats::ConnectDB::dbconnect()',
                ],
                stdout => \*STDOUT,
                stderr => \*STDERR,
            );

warn $eximdb_run->autopsy() if $eximdb_run->CHILD_ERROR();

return 0;
        },
        'Background install tasks',
    );
}

# We do not want to start the yum install of MySQL until cPanel has
# started installing RPMs because as soon as yum gets the lock it will
# block the rpm install which will defeat the performance improvement of
# downloading rpms via yum while rpm is installing the cPanel provided rpms
#
# We also do not want to start the yum install until the background download
# has finished in order to ensure we do not end up downloading the rpms 2x
# because the background download was not yet finished
sub _wait_for_mysql_to_be_downloaded {
    my $verbose = 1;
    while (1) {
        if ( -e $mysql_rpm_download_complete_file ) {
            unlink $mysql_rpm_download_complete_file;
            return;
        }

_show_wait_for("MySQL package download to begin installing packages");
        last unless _wait_for_background_pids( {%background_pids}, verbose => $verbose );
        Cpanel::TimeHiRes::sleep(0.25);
        $verbose = 0;
    }
    return;
}

sub _wait_for_ea4_profiles_to_be_installed {
    my $verbose = 1;
    while (1) {
        _show_wait_for("EA4 profiles to be installed");
        last unless _wait_for_background_pids( {%background_pids}, verbose => $verbose );
        return if -s "/usr/local/bin/ea_install_profile";
        Cpanel::TimeHiRes::sleep(0.25);
        $verbose = 0;

}
    return 1;
}

sub _wait_for_ea4_to_be_installed {
    my $verbose = 1;
    while (1) {
        return if -s "/usr/sbin/httpd";
        _show_wait_for("EA4 to be installed");
        last unless _wait_for_background_pids( {%background_pids}, verbose => $verbose );
        Cpanel::TimeHiRes::sleep(0.25);
        $verbose = 0;

}
    return 1;
}

sub _show_wait_for ( $blocking_proc_text = undef ) {
    state $last_message;
    state $last_time;

if ( $blocking_proc_text && $last_message && $last_message eq $blocking_proc_text ) {
        return if time() - $last_time < 30;    # only display every 30 sec the same message...
    }

$last_message = $blocking_proc_text;
    $last_time    = time();

INFO( "Waiting for (" . join( ', ', ( $blocking_proc_text ? "[$blocking_proc_text]" : () ), sort values %background_pids ) . ")." );

return;
}

sub _shutdown_cpanel_services {
    INFO("Making sure cPanel processes are not running");

# If the cpsrvd binary isn't in place we haven't installed
    # binaries yet so there is no need to proceed.
    return if !-e '/usr/local/cpanel/cpsrvd';
    foreach my $app (qw(cpsrvd cpdavd cphulkd)) {
        if ( Cpanel::Services::Running::is_online($app) ) {
            Cpanel::Install::Utils::Command::ssystem( '/usr/local/cpanel/etc/init/stop' . $app );
        }
    }
    return;
}

sub _install_yum_universal_hooks_in_background {

#On DNSONLY we need EA4's yum-universal-plugins package to fix mysql, etc.
    #
    return _run_in_background(
        sub {

# XXX TODO following short circuit will be removed later once we have EA4 sorted for ubuntu
            return 0 unless Cpanel::OS::is_yum_based();
            INFO("Installing YUM universal hooks...");
            if ( !Cpanel::Install::Utils::Packaged::install_needed_packages('yum-plugin-universal-hooks') ) {
                FATAL("Failed to install “yum-plugin-universal-hooks”");
            }
            return 0;
        },
        'Install YUM universal hooks'
    );
}

sub _install_ea4_in_background {
    return _run_in_background(
        sub {
            INFO("Installing EA4");
            Cpanel::Install::EA4::setup_config_and_fs_for_ea4();
            if ( !Cpanel::Install::EA4::install_apache() ) {
                FATAL("Failed to install EA4");
            }
            return 0;
        },
        'EA4 Install',
    );
}

sub _defer_targets {
    my $rpm_file = Cpanel::RPM::Versions::File->new();
    foreach my $target ( keys %targets_to_defer_to_after_first_upcp ) {
        my $value = $rpm_file->target_settings($target) || '';
        if ( $value ne 'uninstalled' ) {
            $targets_to_defer_to_after_first_upcp{$target} = 1;
            INFO("Marking $target to be uninstalled");
            $rpm_file->set_target_settings( { 'key' => [$target], 'value' => 'uninstalled' } );
        }
        else {
            INFO("$target is already set to uninstalled ($value)");
        }

}
    $rpm_file->save();
    return;
}

sub _install_deferred_targets {
    my $rpm_file               = Cpanel::RPM::Versions::File->new();
    my $has_targets_to_install = 0;
    foreach my $target ( keys %targets_to_defer_to_after_first_upcp ) {
        if ( $targets_to_defer_to_after_first_upcp{$target} ) {
            $has_targets_to_install = 1;
            $rpm_file->delete_target_settings( { 'key' => [$target], 'value' => 'uninstalled' } );
        }
    }
    if ($has_targets_to_install) {
        $rpm_file->save();
        undef $rpm_file;

INFO("Installing deferred targets");
        Cpanel::Install::Utils::Command::ssystem(qw{/usr/local/cpanel/scripts/check_cpanel_pkgs --fix --no-broken --no-digest});
    }
    return;
}

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maio 20, 2026

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