File Manager

X7ROOT File Manager

Current Path: /usr/local/cpanel/scripts

📁 ..
📄 MirrorSearch_pingtest(2.38 KB)
📄 activesync-invite-reply(1.69 KB)
📄 add_dns(2.36 KB)
📄 adddns(2.36 KB)
📄 addpop(6.08 KB)
📄 addsystemuser(3.27 KB)
📄 adduser(92 B)
📄 apachelimits(4.31 KB)
📄 archive_sync_zones(3.02 KB)
📄 auto-adjust-mysql-limits(1.81 KB)
📄 autorepair(1.24 KB)
📄 backups_clean_metadata_for_missing_backups(1.57 KB)
📄 backups_create_metadata(15.75 KB)
📄 backups_list_user_files(4.56 KB)
📄 balance_linked_node_quotas(2.58 KB)
📄 biglogcheck(1.69 KB)
📄 build_bandwidthdb_root_cache_in_background(1.52 KB)
📄 build_cpnat(3.41 KB)
📄 build_mail_sni(3.87 KB)
📄 build_maxemails_config(1.14 KB)
📄 builddovecotconf(6.76 KB)
📄 buildeximconf(7 KB)
📄 buildhttpdconf(2.6 KB)
📄 buildnsdconf(1.01 KB)
📄 buildpureftproot(539 B)
📄 ccs-check(4.91 KB)
📄 check_cpanel_pkgs(10.75 KB)
📄 check_cpanel_rpms(218 B)
📄 check_domain_tls_service_domains.pl(6.68 KB)
📄 check_immutable_files(5.49 KB)
📄 check_mail_spamassassin_compiledregexps_body_0(187 B)
📄 check_maxmem_against_domains_count(3.57 KB)
📄 check_mount_procfs(2.02 KB)
📄 check_mysql(5.55 KB)
📄 check_security_advice_changes(8.28 KB)
📄 check_unmonitored_enabled_services(4.56 KB)
📄 check_unreliable_resolvers(3.59 KB)
📄 check_users_my_cnf(6.05 KB)
📄 check_valid_server_hostname(7.66 KB)
📄 checkalldomainsmxs(2.4 KB)
📄 checkbashshell(1.18 KB)
📄 checkccompiler(1.22 KB)
📄 checkexim.pl(3.1 KB)
📄 checklink(1.29 KB)
📄 checknsddirs(1014 B)
📄 checkusers(856 B)
📄 chkmydns(561 B)
📄 chkpaths(141 B)
📄 chpass(416 B)
📄 ckillall(1.11 KB)
📄 clean_dead_mailman_locks(2.09 KB)
📄 clean_up_temp_wheel_users(2.44 KB)
📄 clean_user_php_sessions(4.76 KB)
📄 cleandns(13.09 KB)
📄 cleandns8(417 B)
📄 cleanmsglog(735 B)
📄 cleanphpsessions(932 B)
📄 cleanphpsessions.php(658 B)
📄 cleanquotas(1.61 KB)
📄 cleansessions(5.91 KB)
📄 cleanupinterchange(2.64 KB)
📄 cleanupmysqlprivs(533 B)
📄 clear_cpaddon_ui_caches(1.27 KB)
📄 clear_orphaned_virtfs_mounts(3.56 KB)
📄 comparecdb(1.52 KB)
📄 compilers(2.86 KB)
📄 compilerscheck(999 B)
📄 configure_firewall_for_cpanel(520 B)
📄 configure_rh_firewall_for_cpanel(520 B)
📄 configure_rh_ipv6_firewall_for_cpanel(520 B)
📄 convert2dovecot(682 B)
📄 convert_accesshash_to_token(4.07 KB)
📄 convert_and_migrate_from_legacy_backup(1.97 KB)
📄 convert_maildir_to_mdbox(1.66 KB)
📄 convert_mdbox_to_maildir(1.66 KB)
📄 convert_roundcube_mysql2sqlite(25.28 KB)
📄 convert_to_dovecot_delivery(4.33 KB)
📄 convert_whmxfer_to_sqlite(1.46 KB)
📄 copy_user_mail_as_root(1.25 KB)
📄 copy_user_mail_as_user(1.34 KB)
📄 cpaddonsup(3.25 KB)
📄 cpan_config(2.8 KB)
📁 cpan_sandbox
📄 cpanel_initial_install(67.36 KB)
📄 cpanelsync(28.31 KB)
📄 cpanelsync_postprocessor(1.62 KB)
📄 cpanpingtest(965 B)
📄 cpbackup(44.77 KB)
📄 cpbackup_transport_file(5.65 KB)
📄 cpdig(1.81 KB)
📄 cpfetch(1.23 KB)
📄 cphulkdblacklist(433 B)
📄 cphulkdwhitelist(1.3 KB)
📄 cpservice(2.87 KB)
📄 cpuser_port_authority(19.29 KB)
📄 cpuser_service_manager(10.85 KB)
📄 createacct(24.57 MB)
📄 custom_backup_destination.pl.sample(5.06 KB)
📄 custom_backup_destination.pl.skeleton(2.84 KB)
📄 dav_change_hostname(3.57 KB)
📄 dcpumon-wrapper(850 B)
📄 delpop(6.2 KB)
📄 detect_env_capabilities(508 B)
📄 disable_prelink(2.77 KB)
📄 disable_sqloptimizer(1.49 KB)
📄 disablefileprotect(2.09 KB)
📄 distro_changed_hook(1.16 KB)
📄 dnscluster(4.44 KB)
📄 dnsqueuecron(1.29 KB)
📄 dnssec-cluster-keys(3.75 KB)
📄 dovecot_maintenance(7.93 KB)
📄 dovecot_set_defaults.pl(984 B)
📄 dumpcdb(866 B)
📄 dumpinodes(687 B)
📄 dumpquotas(616 B)
📄 dumpstor(913 B)
📄 ea4_fresh_install(2.64 KB)
📄 edit_cpanelsync_exclude_list(2.58 KB)
📄 editquota(3.44 KB)
📄 elevate-cpanel(377.87 KB)
📄 email_archive_maintenance(6.15 KB)
📄 email_hold_maintenance(1.46 KB)
📄 enable_spf_dkim_globally(8.83 KB)
📄 enable_sqloptimizer(1.57 KB)
📄 enablefileprotect(2.1 KB)
📄 ensure_autoenabled_features(2.5 MB)
📄 ensure_conf_dir_crt_key(4.82 KB)
📄 ensure_cpuser_file_ip(2.55 KB)
📄 ensure_crontab_permissions(1.08 KB)
📄 ensure_dovecot_memory_limits_meet_minimum(3.13 KB)
📄 ensure_hostname_resolves(2.57 KB)
📄 ensure_includes(601 B)
📄 ensure_vhost_includes(13.53 KB)
📄 exim_tidydb(2.96 KB)
📄 eximconfgen(1.32 KB)
📄 eximstats_spam_check(867 B)
📄 export_horde_calendars_to_ics(15.07 KB)
📄 export_horde_contacts_to_vcf(13.94 KB)
📄 exportmydnsdb(3.47 KB)
📄 expunge_expired_certificates_from_sslstorage(3.56 KB)
📄 expunge_expired_pkgacct_sessions(852 B)
📄 expunge_expired_transfer_sessions(1.06 KB)
📄 fastmail(5.16 KB)
📄 featuremod(1.92 KB)
📄 fetchfile(422 B)
📄 find_and_fix_rpm_issues(6.99 KB)
📄 find_outdated_services(5.41 KB)
📄 find_pids_with_inotify_watch_on_path(3.66 KB)
📄 fix-cpanel-perl(28.82 KB)
📄 fix-listen-on-localhost(3.52 KB)
📄 fix-web-vhost-configuration(6.15 KB)
📄 fix_addon_permissions(7.68 KB)
📄 fix_dns_zone_ttls(1.34 KB)
📄 fix_innodb_tables(4.05 KB)
📄 fix_pear_registry(4.07 KB)
📄 fix_reseller_acls(10.88 KB)
📄 fixetchosts(4.32 KB)
📄 fixheaders(572 B)
📄 fixmailinglistperms(1008 B)
📄 fixmailman(2.09 KB)
📄 fixnamedviews(1.22 KB)
📄 fixndc(413 B)
📄 fixquotas(17.45 KB)
📄 fixrelayd(1.74 KB)
📄 fixrndc(16.48 KB)
📄 fixtar(503 B)
📄 fixtlsversions(4.7 KB)
📄 fixvaliases(2 KB)
📄 fixwebalizer(966 B)
📄 forcelocaldomain(895 B)
📄 ftpfetch(2.2 KB)
📄 ftpquotacheck(8.31 KB)
📄 ftpsfetch(2.36 KB)
📄 ftpupdate(261 B)
📄 gather_update_log_stats(4.25 KB)
📄 gather_update_logs_setupcrontab(5.45 KB)
📄 gemwrapper(1.74 KB)
📄 gencrt(6.26 KB)
📄 generate_account_suspension_include(5.7 KB)
📄 generate_google_drive_credentials(1.11 KB)
📄 generate_google_drive_oauth_uri(984 B)
📄 generate_maildirsize(13.94 KB)
📄 gensysinfo(1.16 KB)
📄 get_locale_from_legacy_name_info(1.99 KB)
📄 getremotecpmove(12.67 KB)
📄 grpck(1.19 KB)
📄 hackcheck(3.02 KB)
📄 hook(1.45 KB)
📄 httpspamdetect(2.66 KB)
📄 hulk-unban-ip(3.93 MB)
📄 import_exim_data(8.39 KB)
📄 importmydnsdb(11.34 KB)
📄 increase_filesystem_limits(891 B)
📄 initacls(4.99 KB)
📄 initfpsuexec(444 B)
📄 initquotas(19.47 KB)
📄 initsuexec(4.03 KB)
📄 install_cpanel_analytics(1.93 KB)
📄 install_dovecot_fts(1.57 KB)
📄 install_plugin(2.8 KB)
📄 installpkg(575 B)
📄 installpostgres(6.56 KB)
📄 installsqlite3(1.82 KB)
📄 ipcheck(3.93 KB)
📄 ipusage(7.45 KB)
📄 isdedicatedip(602 B)
📄 jetbackup-check(3.69 KB)
📄 killdns(422 B)
📄 killdns-dnsadmin(1.15 KB)
📄 killmysqluserprivs(433 B)
📄 killmysqlwildcard(1.15 KB)
📄 killpvhost(853 B)
📄 killspamkeys(937 B)
📄 link_3rdparty_binaries(1.24 KB)
📄 linksubemailtomainacct(3.17 KB)
📄 listcheck(538 B)
📄 listsubdomains(1.05 KB)
📄 litespeed-check(3.86 KB)
📄 locale_export(4.82 KB)
📄 locale_import(4.35 KB)
📄 locale_info(3.99 KB)
📄 logo.dat(205 B)
📄 magicloader(1.94 KB)
📄 maildir_converter(6.08 KB)
📄 mailperm(16.58 KB)
📄 mailscannerupdate(2.42 KB)
📄 mainipcheck(10 KB)
📄 maintenance(46.62 KB)
📄 make_config(407 B)
📄 make_hostname_unowned(1.16 KB)
📄 manage_extra_marketing(12.41 KB)
📄 manage_greylisting(16.19 KB)
📄 manage_mysql_profiles(20.02 KB)
📄 migrate-pdns-conf(9.83 KB)
📄 migrate_local_ini_to_php_ini(7.41 KB)
📄 migrate_whmtheme_file_to_userdata(2.95 KB)
📄 mkwwwacctconf(2.33 KB)
📄 modify_accounts(4.09 KB)
📄 modify_featurelist(9.2 KB)
📄 modify_packages(3.65 KB)
📄 modsec_vendor(15.63 KB)
📄 mysqlconnectioncheck(6.55 KB)
📄 mysqlpasswd(4.09 KB)
📄 named.ca(1.57 KB)
📄 named.rfc1912.zones(774 B)
📄 nixstatsagent.sh(58.67 KB)
📄 notify_expiring_certificates(9.37 KB)
📄 notify_expiring_certificates_on_linked_nodes(1.33 KB)
📄 oopscheck(1.12 KB)
📄 optimize_eximstats(3.88 KB)
📄 patch_mail_spamassassin_compiledregexps_body_0(2.39 KB)
📄 patchfdsetsize(2.72 KB)
📄 pedquota(2.26 KB)
📄 perform_sqlite_auto_rebuild_db_maintenance(2.2 KB)
📄 perlinstaller(528 B)
📄 perlmods(1.18 KB)
📄 php_fpm_config(9.73 KB)
📁 php_sandbox
📄 phpini_tidy(687 B)
📄 pkgacct(87.82 KB)
📄 post_snapshot(3.16 KB)
📄 post_sync_cleanup(6.09 KB)
📄 primary_virtual_host_migration(2.44 KB)
📄 process_pending_cpanel_php_pear_registration(3.49 KB)
📄 process_site_templates(7.27 KB)
📄 proxydomains(9.34 KB)
📄 ptycheck(724 B)
📄 purge_modsec_log(1.53 KB)
📄 purge_old_config_caches(2.08 KB)
📄 pwck(708 B)
📄 quickdnslookup(1.13 KB)
📄 quickwhoisips(2.29 KB)
📄 quota_auto_fix(1.41 KB)
📄 quotacheck(22.36 KB)
📄 rawchpass(460 B)
📄 rdate(4.8 KB)
📄 realadduser(5.61 KB)
📄 realchpass(3.26 KB)
📄 realperlinstaller(5.67 KB)
📄 realrawchpass(425 B)
📄 rebuild_available_addons_packages_cache(1.27 KB)
📄 rebuild_available_rpm_addons_cache(1.27 KB)
📄 rebuild_bandwidthdb_root_cache(1.45 KB)
📄 rebuild_dbmap(5.8 KB)
📄 rebuild_provider_openid_connect_links_db(1.01 KB)
📄 rebuild_whm_chrome(2.22 KB)
📄 rebuilddnsconfig(26.21 KB)
📄 rebuildhttpdconf(2.6 KB)
📄 rebuildinstalledssldb(2.85 KB)
📄 rebuildippool(509 B)
📄 rebuildnsdzones(1.14 KB)
📄 rebuilduserssldb(948 B)
📄 refresh-dkim-validity-cache(5.97 KB)
📄 regenerate_tokens(2.18 KB)
📄 reloadnsd(821 B)
📄 remote_log_transfer(11.6 KB)
📄 remove_dovecot_index_files(5.89 KB)
📄 removeacct(20.91 MB)
📄 rescan_user_dovecot_fts(2.98 KB)
📄 reset_mail_quotas_to_sane_values(6.82 KB)
📄 resetmailmanurls(2.03 KB)
📄 resetquotas(4.68 KB)
📄 restartsrv(3.23 KB)
📄 restartsrv_apache(422 B)
📄 restartsrv_apache_php_fpm(9.9 MB)
📄 restartsrv_base(9.9 MB)
📄 restartsrv_bind(9.9 MB)
📄 restartsrv_chkservd(427 B)
📄 restartsrv_clamd(9.9 MB)
📄 restartsrv_cpanalyticsd(9.9 MB)
📄 restartsrv_cpanel_php_fpm(9.9 MB)
📄 restartsrv_cpanellogd(9.9 MB)
📄 restartsrv_cpdavd(9.9 MB)
📄 restartsrv_cpgreylistd(9.9 MB)
📄 restartsrv_cphulkd(9.9 MB)
📄 restartsrv_cpipv6(9.9 MB)
📄 restartsrv_cpsrvd(9.9 MB)
📄 restartsrv_crond(9.9 MB)
📄 restartsrv_dnsadmin(9.9 MB)
📄 restartsrv_dovecot(9.9 MB)
📄 restartsrv_exim(9.9 MB)
📄 restartsrv_eximstats(504 B)
📄 restartsrv_ftpd(426 B)
📄 restartsrv_ftpserver(911 B)
📄 restartsrv_httpd(9.9 MB)
📄 restartsrv_imap(437 B)
📄 restartsrv_inetd(2.47 KB)
📄 restartsrv_ipaliases(9.9 MB)
📄 restartsrv_lmtp(437 B)
📄 restartsrv_mailman(9.9 MB)
📄 restartsrv_mydns(9.9 MB)
📄 restartsrv_mysql(9.9 MB)
📄 restartsrv_named(777 B)
📄 restartsrv_nscd(9.9 MB)
📄 restartsrv_nsd(9.9 MB)
📄 restartsrv_p0f(9.9 MB)
📄 restartsrv_pdns(9.9 MB)
📄 restartsrv_pop3(437 B)
📄 restartsrv_postgres(427 B)
📄 restartsrv_postgresql(9.9 MB)
📄 restartsrv_powerdns(442 B)
📄 restartsrv_proftpd(9.9 MB)
📄 restartsrv_pureftpd(9.9 MB)
📄 restartsrv_queueprocd(9.9 MB)
📄 restartsrv_rsyslog(9.9 MB)
📄 restartsrv_rsyslogd(437 B)
📄 restartsrv_spamd(9.9 MB)
📄 restartsrv_sshd(9.9 MB)
📄 restartsrv_syslogd(2.4 KB)
📄 restartsrv_tailwatchd(9.9 MB)
📄 restartsrv_unknown(9.9 MB)
📄 restartsrv_xinetd(422 B)
📄 restorecpuserfromcache(1.96 KB)
📄 restorepkg(36.49 MB)
📄 rfc1912_zones.tar(10 KB)
📄 rpmup(4.77 KB)
📄 rsync-user-homedir.pl(5.76 KB)
📄 run_if_exists(512 B)
📄 run_plugin_lifecycle(3.53 KB)
📄 runstatsonce(440 B)
📄 runweblogs(1.02 KB)
📄 sa-update_wrapper(3.34 KB)
📄 safetybits.pl(844 B)
📄 secureit(4.72 KB)
📄 securemysql(4.54 KB)
📄 securerailsapps(3.58 KB)
📄 securetmp(15.99 KB)
📄 sendicq(474 B)
📄 servicedomains(9.34 KB)
📄 set_mailman_archive_perms(1.75 KB)
📄 set_php_memory_limits(3.67 KB)
📄 setpostgresconfig(6.04 KB)
📄 setup_greylist_db(16.19 KB)
📄 setup_modsec_db(1.3 KB)
📄 setup_systemd_timer_for_plugins(3.92 KB)
📄 setupftpserver(10.47 KB)
📄 setupmailserver(9.55 KB)
📄 setupnameserver(13.75 KB)
📄 shrink_modsec_ip_database(12.97 KB)
📄 simpleps(3.05 KB)
📄 slurp_exim_mainlog(5.78 KB)
📄 smartcheck(15.13 KB)
📄 smtpmailgidonly(8.15 KB)
📄 snapshot_prep(5.88 KB)
📄 spamassassin_dbm_cleaner(5.85 KB)
📄 spamassassindisable(3.74 KB)
📄 spamboxdisable(2.27 KB)
📄 sshcontrol(14.38 KB)
📄 ssl_crt_status(3.84 KB)
📄 suspendacct(18.01 KB)
📄 suspendmysqlusers(4.42 KB)
📄 swapip(3.82 KB)
📄 sync-mysql-users-from-grants(1.2 KB)
📄 sync_child_accounts(1.77 KB)
📄 sync_contact_emails_to_cpanel_users_files(1.14 KB)
📄 synccpaddonswithsqlhost(6.59 KB)
📄 synctransfers(1.92 KB)
📄 syslog_check(1.36 KB)
📄 sysup(645 B)
📄 test_sa_compiled(1.07 KB)
📄 transfer_account_as_user(2.34 KB)
📄 transfer_accounts_as_root(4.76 KB)
📄 transfer_in_progress(3.08 KB)
📄 transfer_in_progress.pod(312 B)
📄 transfermysqlusers(9.53 MB)
📄 try-later(7.95 KB)
📄 unblockip(667 B)
📄 uninstall_cpanel_analytics(1.2 KB)
📄 uninstall_dovecot_fts(562 B)
📄 uninstall_plugin(2.84 KB)
📄 unlink_service_account(2.62 KB)
📄 unpkgacct(4.6 KB)
📄 unslavenamedconf(863 B)
📄 unsuspendacct(17.8 KB)
📄 unsuspendmysqlusers(6.71 KB)
📄 upcp(31.56 KB)
📄 upcp-running(2.7 KB)
📄 upcp.static(708.6 KB)
📄 update-packages(4.77 KB)
📄 update_apachectl(480 B)
📄 update_db_cache(430 B)
📄 update_dkim_keys(1.45 KB)
📄 update_exim_rejects(1.21 KB)
📄 update_existing_mail_quotas_for_account(4.78 KB)
📄 update_known_proxy_ips(1002 B)
📄 update_local_rpm_versions(4.56 KB)
📄 update_mailman_cache(8.34 KB)
📄 update_mysql_systemd_config(1.25 KB)
📄 update_neighbor_netblocks(487 B)
📄 update_sa_config(2.14 KB)
📄 update_spamassassin_config(10.73 KB)
📄 update_users_jail(691 B)
📄 update_users_vhosts(801 B)
📄 updatedomainips(605 B)
📄 updatenameserverips(1.66 KB)
📄 updatenow(5.18 KB)
📄 updatenow.static(1.91 MB)
📄 updatesigningkey(1.95 KB)
📄 updatessldomains(1.81 KB)
📄 updatesupportauthorizations(2.49 KB)
📄 updateuserdatacache(2.47 KB)
📄 updateuserdomains(774 B)
📄 upgrade_bandwidth_dbs(2.22 KB)
📄 upgrade_subaccount_databases(2.73 KB)
📄 userdata_wildcard_cleanup(5.74 KB)
📄 userdirctl(5.01 KB)
📄 validate_sshkey_passphrase(1.21 KB)
📄 verify_api_spec_files(757 B)
📄 verify_pidfile(1.96 KB)
📄 verify_vhost_includes(7.34 KB)
📄 vps_optimizer(7.82 KB)
📄 vzzo-fixer(725 B)
📄 whmlogin(2.33 KB)
📄 whoowns(1.13 KB)
📄 wpt_license(6.27 MB)
📄 wwwacct(24.57 MB)
📄 wwwacct2(88 B)
📄 xfer_rcube_schema_migrate.pl(2.4 KB)
📄 xfer_rcube_uid_resolver.pl(1.8 KB)
📄 xferpoint(3.13 KB)
📄 xfertool(16.14 KB)
📄 zoneexists(800 B)

Editing: 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_nsd();
    disable_mydns();
    disable_powerdns();
    enable_bind();
    enable_chksrvd_monitoring();
}
elsif ( $dnstype eq 'powerdns' ) {
    disable_none();
    disable_nsd();
    disable_bind();
    disable_mydns();
    enable_powerdns();
    enable_chksrvd_monitoring();
}
else {
    disable_chksrvd_monitoring();
    enable_none();
    disable_bind();
    disable_nsd();
    disable_mydns();
    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;
}

# can be removed in 112
sub disable_nsd {
    my $unlink = sub {
        unlink('/var/cpanel/usensd') if -e '/var/cpanel/usensd';
        return;
    };

return $unlink->() unless Cpanel::Pkgr::is_installed('nsd');

print "\nHalting NSD\n";

my $result = $init->run_command( 'nsd', 'stop' );
    $result->{'status'} or warn( $result->{'message'} );

print "\nDisabling NSD in init system\n";
    $init->run_command_for_one( 'disable', 'nsd' );

return $unlink->();
}

# can be removed in 112
sub disable_mydns {
    my $unlink = sub {
        unlink('/var/cpanel/usemydns') if -e '/var/cpanel/usemydns';
        return;
    };

return $unlink->() unless Cpanel::Pkgr::is_installed('cpanel-mydns');

print "\nHalting MYDNS\n";

my $result = $init->run_command( 'mydns', 'stop' );
    $result->{'status'} or warn( $result->{'message'} );

print "\nDisabling MyDNS in init system\n";
    $init->run_command_for_one( 'disable', 'mydns' );

return $unlink->();
}

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/nsddisable')      if ( -e '/etc/nsddisable' );
    unlink('/etc/mydnsdisable')    if ( -e '/etc/mydnsdisable' );
    unlink('/etc/powerdnsdisable') if ( -e '/etc/powerdnsdisable' );

return;
}

# Strictly speaking, touching /etc/nameddisable will cause chksrvd to skip over
# restarting BIND or NSD, 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 NSD 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/nsd mydns powerdns/] } );    # remove mydns and nsd after 112

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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