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#!/usr/local/cpanel/3rdparty/bin/perl # cpanel - scripts/fastmail 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::fastmail; use strict; use warnings; use Cpanel::ServerTasks (); use Cpanel::PwCache::Helpers (); use Cpanel::PwCache::Build (); use Cpanel::Config::LoadCpConf (); use Cpanel::AccessIds::ReducedPrivileges (); use Cpanel::Config::Users (); my $MIN_INOTIFY_NEEDED = 4096; my $MIN_INOTIFY_QUEUE_NEEDED = 16384; __PACKAGE__->script(@ARGV) unless caller(); sub script { ## no critic qw(Subroutines::ProhibitExcessComplexity) my ( $self, @args ) = @_; # TODO: This modulino needs to have its core functionality moved to # a module and have its test coverage improved. Once done the # install/* scripts should call the module directly instead of # loading this modulino. if ( grep( /auto\|daemonize/, @args ) ) { if ( fork() ) { exit; } } my $cpconf_ref = Cpanel::Config::LoadCpConf::loadcpconf_not_copy(); if ( -w '/proc/sys/fs/inotify/max_user_instances' \|\| -w '/proc/sys/filesystem/inotify/max_user_instances' ) { Cpanel::PwCache::Helpers::no_uid_cache(); #uid cache only needed if we are going to make lots of getpwuid calls Cpanel::PwCache::Build::init_passwdless_pwcache(); my $pwcache_ref = Cpanel::PwCache::Build::fetch_pwcache(); my $inotify_needed = 128; my $inotify_queue_needed = 16384; my %CPUSERS = map { $_ => 1 } Cpanel::Config::Users::getcpusers(); foreach my $pwref (@$pwcache_ref) { my $current_inotify_needed = 0; next if !$CPUSERS{ $pwref->[0] }; my $homedir = (@$pwref)[7]; my $privs = $pwref->[2] ? Cpanel::AccessIds::ReducedPrivileges->new( $pwref->[2], $pwref->[3] ) : 0; if ( -e $homedir . '/.cpanel/email_accounts.json' && ( stat(_) )[7] < 1000000 && open( my $email_account_fh, '<', $homedir . '/.cpanel/email_accounts.json' ) ) { while ( readline($email_account_fh) ) { $current_inotify_needed += 10 while (m/"diskused":/gs); } close($email_account_fh); $inotify_queue_needed += $current_inotify_needed; $current_inotify_needed += 128; if ( $current_inotify_needed > $inotify_needed ) { $inotify_needed = $current_inotify_needed; } } } $inotify_queue_needed += $inotify_needed; if ( $inotify_needed < $MIN_INOTIFY_NEEDED ) { $inotify_needed = $MIN_INOTIFY_NEEDED; } if ( $inotify_queue_needed < $MIN_INOTIFY_QUEUE_NEEDED ) { $inotify_queue_needed = $MIN_INOTIFY_QUEUE_NEEDED; } foreach my $key ( 'fs', 'filesystem' ) { if ( -w '/proc/sys/' . $key . '/inotify/max_user_instances' && open( my $inotify_proc, '>', '/proc/sys/' . $key . '/inotify/max_user_instances' ) ) { print {$inotify_proc} $inotify_needed . "\n"; close($inotify_proc); } if ( -w '/proc/sys/' . $key . '/inotify/max_queued_events' && open( my $inotify_proc, '>', '/proc/sys/' . $key . '/inotify/max_queued_events' ) ) { print {$inotify_proc} $inotify_queue_needed . "\n"; close($inotify_proc); } } if ( $cpconf_ref->{'mailserver'} eq 'dovecot' ) { if ( open( my $fastmail_fh, '>', '/var/cpanel/fastmail' ) ) { print {$fastmail_fh} '2'; close($fastmail_fh); } } else { unlink('/var/cpanel/fastmail'); } } else { require Cpanel::CachedDataStore; my $conf_dir = '/var/cpanel/conf/dovecot'; my $conf_file = $conf_dir . '/main'; my $dovecot_conf_hr = {}; # Usage is safe as we own the dir and file $dovecot_conf_hr = Cpanel::CachedDataStore::fetch_ref($conf_file) if ( -e $conf_file ); my $restart = 0; if ( !exists $dovecot_conf_hr->{'mailbox_idle_check_interval'} ) { $dovecot_conf_hr->{'mailbox_idle_check_interval'} = 30; $restart = 1; } if ($restart) { mkdir $conf_dir, 0755 if !-e $conf_dir; # Usage is safe as we own the dir and file Cpanel::CachedDataStore::store_ref( $conf_file, $dovecot_conf_hr ); system('/usr/local/cpanel/scripts/builddovecotconf'); Cpanel::ServerTasks::schedule_task( ['CpServicesTasks'], 1, "restartsrv dovecot" ); } if ( $cpconf_ref->{'mailserver'} eq 'dovecot' ) { if ( open( my $fastmail_fh, '>', '/var/cpanel/fastmail' ) ) { print {$fastmail_fh} '1'; close($fastmail_fh); } } else { unlink('/var/cpanel/fastmail'); } } return; }

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