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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/clear_orphaned_virtfs_mounts 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::LoadUserDomains ();
use Getopt::Param ();
use Cpanel::Filesys::Virtfs ();
use Cpanel::PwCache::Get ();
use Cpanel::CloudLinux::CageFS ();
my $prm = Getopt::Param->new(
{
'help_coderef' => sub {
print <<"END_USAGE";
Unmount any virtfs mounts whose users no longer exist or whose shell is not currently jailshell/noshell
$0 [--help] [--errorsonly] [--inactiveonly] [--clearall] [--user=]
$0 --help - this screen
$0 --user= - Only cleanup the specified user
$0 --errorsonly - Do not have any output unless there are errors
$0 --inactiveonly - Only cleanup for users with no running processes
$0 --clearall - Unmount all virtfs mounts regardless of user's jailshell/noshell status
END_USAGE
exit;
},
}
);
my %user_map = %{ Cpanel::Config::LoadUserDomains::loaduserdomains( undef, 0, 1 ) };
my $errorsonly = $prm->get_param('errorsonly') ? 1 : 0;
my $clear_all = $prm->get_param('clearall') ? 1 : 0;
my $inactiveonly = $prm->get_param('inactiveonly') ? 1 : 0;
my $user = $prm->get_param('user');
if ($inactiveonly) {
Cpanel::Filesys::Virtfs::cleanup_inactive_virtfs();
Cpanel::Filesys::Virtfs::cleanup_unmounts_virtfs_for_dead_users( verbose => !$errorsonly );
exit(0);
}
clear_orphaned_virtfs_mounts();
Cpanel::Filesys::Virtfs::cleanup_unmounts_virtfs_for_dead_users( verbose => !$errorsonly, user => $user );
sub clear_orphaned_virtfs_mounts {
my %processed_users;
my %cagefs_users = map { $_ => 1 } Cpanel::CloudLinux::CageFS::enabled_users();
for my $mount ( Cpanel::Filesys::Virtfs::get_virtfs_mounts() ) {
my $username = Cpanel::Filesys::Virtfs::get_username_from_virtfs_mount_string($mount);
next if length $user && $username ne $user;
next if exists $processed_users{$username};
print "-- Begin user '$username' --\n" unless $errorsonly;
my $umount = 0;
if ( !exists $user_map{$username} ) {
print "User no longer exists, cleaning orphan...\n" unless $errorsonly;
$umount++;
}
elsif ( $clear_all || Cpanel::PwCache::Get::getshell($username) !~ m{(?:no|jail)shell} ) {
print "User no longer has jailshell or noshell, cleaning orphan...\n" unless ( $errorsonly || $clear_all );
$umount++;
}
elsif ( $cagefs_users{$username} ) {
print "User has CageFS enabled, cleaning orphan...\n" unless $errorsonly;
$umount++;
}
else {
print "No action needed\n" unless $errorsonly;
}
if ($umount) {
print "Cleaning virtfs mounts (if any)\n" unless $errorsonly;
my ( $rc, @errors ) = Cpanel::Filesys::Virtfs::remove_user_virtfs($username);
if ($rc) {
print "Done\n" unless $errorsonly;
$processed_users{$username}++;
}
else {
print "Failed\n" . join( "\t", @errors ) . "\n";
}
}
else {
$processed_users{$username}++;
}
print "-- End user '$username' -- \n\n" unless $errorsonly;
}
return;
}