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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/ensure_dovecot_memory_limits_meet_minimum
# 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
package scripts::ensure_dovecot_memory_limits_meet_minimum;
use strict;
use warnings;
use Cpanel::CachedDataStore ();
use Cpanel::Services::Restart ();
use Cpanel::AdvConfig::dovecot::Constants ();
our $MIN_SANE_LOGIN_PROCESS_SIZE = Cpanel::AdvConfig::dovecot::Constants::MINIMUM_LOGIN_PROCESS_SIZE();
our $MIN_SANE_MAIL_PROCESS_SIZE = Cpanel::AdvConfig::dovecot::Constants::MINIMUM_MAIL_PROCESS_SIZE();
our $RECOMMENDED_CONFIG_VSZ_LIMIT = Cpanel::AdvConfig::dovecot::Constants::RECOMMENDED_CONFIG_VSZ_LIMIT();
our $DEFAULT_PLUGIN_ACL = Cpanel::AdvConfig::dovecot::Constants::DEFAULT_PLUGIN_ACL();
our $DEFAULT_AUTH_CACHE_SIZE = Cpanel::AdvConfig::dovecot::Constants::DEFAULT_AUTH_CACHE_SIZE();
our $conf_file = '/var/cpanel/conf/dovecot/main';
exit( __PACKAGE__->script() ) unless caller();
sub script {
my $dovecot_conf_obj = Cpanel::CachedDataStore::loaddatastore( $conf_file, 1 ); # lock and load
my $modified = 0;
if ( 'HASH' ne ref $dovecot_conf_obj->{'data'} ) {
$dovecot_conf_obj->{'data'} = {};
}
if ( $dovecot_conf_obj->{'data'}{'auth_cache_size'} && $dovecot_conf_obj->{'data'}{'auth_cache_size'} !~ tr{M}{} && $dovecot_conf_obj->{'data'}{'auth_cache_size'} < ( 1024**2 ) ) {
$dovecot_conf_obj->{'data'}{'auth_cache_size'} = $DEFAULT_AUTH_CACHE_SIZE;
$modified = 1;
}
if ( $dovecot_conf_obj->{'data'}{'login_process_size'} && $dovecot_conf_obj->{'data'}{'login_process_size'} < $MIN_SANE_LOGIN_PROCESS_SIZE ) {
$dovecot_conf_obj->{'data'}{'login_process_size'} = $MIN_SANE_LOGIN_PROCESS_SIZE;
$modified = 1;
}
if ( $dovecot_conf_obj->{'data'}{'mail_process_size'} && $dovecot_conf_obj->{'data'}{'mail_process_size'} < $MIN_SANE_MAIL_PROCESS_SIZE ) {
$dovecot_conf_obj->{'data'}{'mail_process_size'} = $MIN_SANE_MAIL_PROCESS_SIZE;
$modified = 1;
}
if ( $dovecot_conf_obj->{'data'}{'config_vsz_limit'} && $dovecot_conf_obj->{'data'}{'config_vsz_limit'} < $RECOMMENDED_CONFIG_VSZ_LIMIT ) {
$dovecot_conf_obj->{'data'}{'config_vsz_limit'} = $RECOMMENDED_CONFIG_VSZ_LIMIT;
$modified = 1;
}
if ( $dovecot_conf_obj->{'data'}{'plugin'}{'acl'} && $dovecot_conf_obj->{'data'}{'plugin'}{'acl'} !~ m{cache} ) {
$dovecot_conf_obj->{'data'}{'plugin'}{'acl'} = $DEFAULT_PLUGIN_ACL;
$modified = 1;
}
if ($modified) {
$dovecot_conf_obj->save();
# Either way we need to get the new settings in
rebuild_dovecot_conf();
Cpanel::Services::Restart::restartservice( 'dovecot', 1 );
}
else {
$dovecot_conf_obj->abort();
}
return 0;
}
sub rebuild_dovecot_conf {
return system('/usr/local/cpanel/scripts/builddovecotconf');
}