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| Current File : //proc/thread-self/root/proc/self/root/scripts/checkexim.pl |
#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/checkexim.pl 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::checkexim;
use strict;
use Cpanel::FileUtils::TouchFile ();
use Cpanel::SafetyBits::Chown ();
use Cpanel::Lchown ();
__PACKAGE__->main() unless caller;
sub main {
checkeximlogs();
checkeximperms();
}
sub checkeximlogs {
require Cpanel::PwCache;
my $mailnull_uid = ( Cpanel::PwCache::getpwnam('mailnull') )[2];
my $mail_gid = ( getgrnam('mail') )[2];
if ( opendir( my $exim_dir_fh, '/var/log' ) ) {
my %log_files = map { $_ => undef } grep { /^exim_/ } readdir($exim_dir_fh);
$log_files{'exim_mainlog'} = undef;
$log_files{'exim_paniclog'} = undef;
$log_files{'exim_rejectlog'} = undef;
foreach my $log_file ( keys %log_files ) {
my ( $mode, $uid, $gid ) = ( stat( '/var/log/' . $log_file ) )[ 2, 4, 5 ];
if ( !$mode ) { Cpanel::FileUtils::TouchFile::touchfile( '/var/log/' . $log_file ) }
Cpanel::Lchown::lchown( $mailnull_uid, $mail_gid, '/var/log/' . $log_file ) if ( $uid != $mailnull_uid || $gid != $mail_gid );
chmod( 0640, '/var/log/' . $log_file ) if ( $mode & 00777 != 0640 );
}
}
}
sub checkeximperms {
my $no_chown_spool = shift;
require Cpanel::PwCache;
if ( Cpanel::PwCache::getpwnam("mailnull") ) {
my $mailnull_uid = ( Cpanel::PwCache::getpwnam('mailnull') )[2];
my $mail_gid = ( getgrnam('mail') )[2];
checkeximlogs();
# Only chown what really needs it: directories under /var/spool/exim.
# Chowning everything takes too long on systems with large queues.
unless ($no_chown_spool) {
safe_chown_maxdepth( '/var/spool/exim', $mailnull_uid, $mail_gid, 2 );
# scripts/updatemailscanner needs this. If it's not installed, this will just return.
safe_chown_maxdepth( '/var/spool/exim_incoming', $mailnull_uid, $mail_gid, 1 );
safe_chown_maxdepth( '/var/spool/exim_incoming/db', $mailnull_uid, $mail_gid, 1 );
safe_chown_maxdepth( '/var/spool/exim_incoming/input', $mailnull_uid, $mail_gid, 1 );
}
chown $mailnull_uid, $mail_gid, '/etc/exim.crt', '/etc/exim.key';
}
}
sub safe_chown_maxdepth {
my ( $path, $uid, $gid, $depth ) = @_;
return if $depth == 0;
return unless -e $path;
my @files_to_chown = ($path);
my @dirs_to_search;
opendir( my $dh, $path ) or return 0;
foreach ( grep { /^[^.]/ } readdir($dh) ) {
if ( -d "$path/$_" ) { push @dirs_to_search, "$path/$_" }
push @files_to_chown, "$path/$_";
}
Cpanel::SafetyBits::Chown::safe_chown( $uid, $gid, @files_to_chown );
foreach (@dirs_to_search) {
safe_chown_maxdepth( $_, $uid, $gid, $depth - 1 );
}
}
1;