#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/setupmailserver 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 Cpanel::Config::LoadCpConf ();
use Cpanel::Config::CpConfGuard ();
use Cpanel::Chkservd::Manage ();
use Cpanel::RPM::Versions::Directory ();
use Cpanel::RPM::Versions::File ();
use Cpanel::SSLCerts ();
use Cpanel::Usage ();
use Cpanel::PID ();
use Cpanel::Init ();
use Cpanel::MailUtils::SNI ();
use Cpanel::AdvConfig::dovecot::utils ();
use Cpanel::SafeRun::Object ();
use Cpanel::OS ();
use Cpanel::Dovecot::Service ();
use Cpanel::Server::Type ();
use Cpanel::ServerTasks ();
our $DOVECOT_CONF_PATH = '/etc/dovecot/dovecot.conf';
my $help = 0;
my $man = 0;
my $force = 0;
my $current = 0;
$| = 1;
delete $ENV{'cp_security_token'};
delete $ENV{'HTTP_REFERER'};
# Argument processing
my %opts = (
'force' => \$force,
'current' => \$current,
);
Cpanel::Usage::wrap_options( \@ARGV, \&usage, \%opts );
@ARGV = ( grep( !/^--/, @ARGV ) );
my $selected_mailserver = shift;
usage() unless ( $selected_mailserver || $current );
my $cpconf_ref = Cpanel::Config::LoadCpConf::loadcpconf();
my $current_mailserver = 'dovecot';
if ($current) {
print "Current mailserver type: ${current_mailserver}\n";
print "Current storage format: maildir or mdbox\n";
exit 0;
}
if ( $> != 0 ) {
die "You must perform the conversion process as the root user.";
}
if ( $selected_mailserver ne 'disabled' && $selected_mailserver ne 'dovecot' ) {
print "You specified an unknown mailserver type.\nThe valid mailserver types are: “dovecot” and “disabled”.\nTry the $0 --help command.\n";
exit 1;
}
if ( !$force && $selected_mailserver ne 'disabled' ) {
my $dir = Cpanel::RPM::Versions::Directory->new( { 'dont_set_legacy' => 1 } );
my $target_state = $dir->fetch( { 'section' => 'target_settings', 'key' => 'exim' } );
if ( $target_state && $target_state =~ m/^(uninstalled|unmanaged)$/ ) {
print "WARNING: You attempted to enable the dovecot mailserver, but exim is explicitly set to $target_state in the /var/cpanel/rpm.versions.d/ file.\n";
print "This means that cPanel & WHM does not manage the mailserver's packages." if ( $target_state eq 'unmanaged' );
print "This means that cPanel & WHM has explicitly blocked the mailserver's packages from installation. " if ( $target_state eq 'uninstalled' );
print "If this was unintentional, run the following command to remove this flag, \nand then run the setupmailserver script.\n";
print "\n /usr/local/cpanel/scripts/update_local_rpm_versions --del target_settings.exim\n\n";
print "If this was intentional, run the setupmailserver script with the --force flag.\n\n";
exit 2;
}
}
if ( !-e '/etc/dovecot/ssl/dovecot.crt' ) {
require Cpanel::SSLCerts;
Cpanel::SSLCerts::createDefaultSSLFiles( 'service' => 'dovecot' );
}
$selected_mailserver = 'disabled' if Cpanel::Server::Type::is_dnsonly();
my $pid_obj = Cpanel::PID->new( { 'pid_file' => '/var/run/setupmailserver.pid' } );
unless ( $pid_obj->create_pid_file() > 0 ) {
print "The setupmailserver script is running already.\n";
print "Wait for this conversion process to finish before you attempt another.\n";
exit 1;
}
my $installed = install_cpanel_rpms();
my $changed_enabled_protocols;
my $disabled_mailserver_text = '';
if ( $selected_mailserver eq 'disabled' ) {
$changed_enabled_protocols = disable_imap_and_pop3();
# Dovecot must always be enabled
# for local mail delivery
$selected_mailserver = 'dovecot';
$disabled_mailserver_text = ' (local delivery only)';
}
else {
$changed_enabled_protocols = enable_imap_and_pop3();
}
if ( !$cpconf_ref->{'mailserver'} || $cpconf_ref->{'mailserver'} ne $selected_mailserver ) {
my $cpconf_guard = Cpanel::Config::CpConfGuard->new();
$cpconf_ref->{'mailserver'} = $cpconf_guard->{'data'}->{'mailserver'} = $selected_mailserver;
$cpconf_guard->save();
print "\nThe system configured the new mailserver in the cpanel.config file as $selected_mailserver\n";
}
if ( !$force && !$installed ) {
rebuildconf_if_not_valid();
reconfigure_exim() if $selected_mailserver ne 'disabled';
if ($changed_enabled_protocols) {
ensure_lmtp_is_monitored();
local $@;
eval { Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv dovecot", "restartsrv tailwatchd" ); };
warn if $@;
exit(0);
}
print "The system is already configured for the ${selected_mailserver}${disabled_mailserver_text} mailserver.\n";
exit 0;
}
my $error_count = 0;
#branch to uninsall/install functions
enable_dovecot();
rebuildconf_if_not_valid();
reconfigure_exim();
run_fastmail();
ensure_lmtp_is_monitored();
{
local $@;
eval { Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv tailwatchd" ); };
warn if $@;
}
$pid_obj->remove_pid_file();
if ($error_count) {
print "\nWARNING: The system encountered errors during the conversion process.\n";
exit 1;
}
else {
print "\nMailserver conversion complete.\n";
exit 0;
}
#----------------------------------------------------------------------
sub rebuildconf_if_not_valid {
require Cpanel::AdvConfig::dovecot;
if ( !( Cpanel::AdvConfig::dovecot::check_if_config_file_is_valid($DOVECOT_CONF_PATH) )[0] ) {
Cpanel::SafeRun::Object->new_or_die( 'program' => '/usr/local/cpanel/scripts/builddovecotconf' );
}
return 1;
}
sub enable_imap_and_pop3 {
print "\nEnabling IMAP and POP3.\n";
return _setup_dovecot_services( 'protocols' => { 'pop3' => 1, 'imap' => 1 } );
}
sub _setup_dovecot_services {
my (@args) = @_;
my $ret = Cpanel::Dovecot::Service::set_dovecot_service_state(@args);
Cpanel::Dovecot::Service::set_dovecot_monitoring_state(@args);
return $ret;
}
sub disable_imap_and_pop3 {
print "\nDisabling IMAP and POP3.\n";
return _setup_dovecot_services( 'protocols' => { 'pop3' => 0, 'imap' => 0 } );
}
sub run_fastmail {
system '/usr/local/cpanel/scripts/fastmail';
return;
}
sub enable_dovecot {
print "\nChecking that Dovecot is up-to-date...\n";
install_cpanel_rpms($force);
if ($force) {
print "\nChecking the status of Dovecot's installed packages...\n";
system( '/usr/local/cpanel/scripts/check_cpanel_pkgs', '--fix', '--long-list', ( $ENV{'CPANEL_BASE_INSTALL'} ? '--no-broken' : () ), '--targets', 'exim' ); # dovecot is now a dependency of exim (see CPANEL-7391)
}
print "\nChecking SSL certificates...";
my $dovecot_cert_ref = Cpanel::SSLCerts::fetchSSLFiles( 'service' => 'dovecot' );
unless ( $dovecot_cert_ref->{'crt'} ) {
print "The certificate is missing or unusable. Generating a default certificate...";
{
no warnings 'once';
open OLDSTDERR, '>&STDERR';
}
open STDERR, '>', '/dev/null';
Cpanel::SSLCerts::createDefaultSSLFiles( 'service' => 'dovecot' );
open STDERR, '>&OLDSTDERR';
print "Done.\n";
}
else {
print "Done.\n";
}
print "\n" . txt_for_enabling_service('Dovecot') . "\n";
my $init = Cpanel::Init->new();
my $output = $init->run_command_for_one( 'enable', 'dovecot' );
print "\nRebuilding SNI configuration...";
if ( !eval { Cpanel::MailUtils::SNI->rebuild_dovecot_sni_conf() } ) {
print " failed! Error: " . $@ . "\n";
}
print "Done.\nSuccessfully built Dovecot SNI configuration: " . Cpanel::AdvConfig::dovecot::utils::find_dovecot_sni_conf() . "\n";
print "\nEnqueueing restart of Dovecot...\n";
local $@;
eval { Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv dovecot" ); };
warn if $@;
return;
}
sub txt_for_enabling_service {
my $service = shift;
if ( Cpanel::OS::is_systemd() ) {
return qq{Enabling the $service service in the systemd system...};
}
return qq{Enabling the $service service in the init system...};
}
sub install_cpanel_rpms {
my $versions = Cpanel::RPM::Versions::File->new( { 'only_targets' => [qw/exim/] } ); # dovecot is now a dependency of exim (see CPANEL-7391)
$versions->stage();
return $versions->commit_changes();
}
sub ensure_lmtp_is_monitored {
my %monitored_services = Cpanel::Chkservd::Manage::getmonitored();
Cpanel::Chkservd::Manage::enable('lmtp') if !$monitored_services{'lmtp'};
return;
}
sub reconfigure_exim {
print "\nReconfiguring Exim for the new mailserver...\n";
local $@;
eval { Cpanel::ServerTasks::queue_task( ['EximTasks'], 'buildeximconf --restart' ); };
warn if $@;
return;
}
sub usage {
print "Usage: setupmailserver [options] <mailserver>\n\n";
print "Options:\n";
print " --force Perform conversion even if server is already configured\n";
print " --current Display the currently configured mail server\n";
print "\n";
print "MailServers:\n";
print " dovecot Standard mail server on cPanel systems.\n";
print " disabled Disable local POP3 and IMAP functionality (dovecot will function in authentication only mode)\n";
print "\n";
exit 0;
}
Mini Shell