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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/fixtlsversions 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::fixtlsversions;
# This script is related to CPANEL-33512 and is expected to be
# of limited usefulness outside of the one-time task to ensure
# that TLSv1.2 is active for cpsrvd and other services.
use strict;
use warnings;
use Cpanel::LoadModule ();
use Cpanel::SSL::Protocols ();
use Cpanel::ServerTasks ();
use Cpanel::Imports;
use Getopt::Long 'GetOptionsFromArray';
exit run(@ARGV) unless caller;
sub run {
my @args = @_;
my ( $help, $dry_run, $update );
GetOptionsFromArray(
\@args,
'help' => \$help,
'dry-run' => \$dry_run,
'update' => \$update,
) || return _usage(1);
return _usage(0) if $help;
return _usage(1) unless $dry_run xor $update;
my $obj = __PACKAGE__->new( update => $update );
$obj->logmsg('Ensuring that web-accessible services have TLSv1.2 active …');
for my $try ( 1, 2 ) {
$obj->adjust_cpsrvd_and_cpdavd();
$obj->adjust_apache();
if ( $obj->{failed} ) {
$obj->logmsg( sprintf( '%d error(s) occurred.', $obj->{failed} ) );
if ( $try == 1 ) {
$obj->logmsg('Trying again …');
delete $obj->{failed};
sleep 2;
}
}
else {
$obj->logmsg('Done.');
last;
}
}
return $obj->{failed} ? 1 : 0;
}
sub new {
my ( $package, %opts ) = @_;
return bless {%opts}, $package;
}
sub adjust_cpsrvd_and_cpdavd {
my ($self) = @_;
for my $service (qw(cpsrvd cpdavd)) {
my $module = "Cpanel::ServiceConfig::$service";
Cpanel::LoadModule::load_perl_module($module);
my $conf_obj = $module->new();
my $settings_hr = $conf_obj->get_config(1);
my $old_string = $settings_hr->{SSLVersion};
my $new_string = Cpanel::SSL::Protocols::upgrade_version_string_for_tls_1_2( $settings_hr->{SSLVersion}, '_' );
$settings_hr->{SSLVersion} = $new_string;
if ( $new_string ne $old_string ) {
if ( $self->{update} ) {
eval {
$conf_obj->validate($settings_hr) or die "Failed to validate configuration\n";
my ( $save_ok, $save_msg ) = $conf_obj->save_datastore($settings_hr);
$conf_obj->update_config($settings_hr);
Cpanel::ServerTasks::queue_task( ['CpServicesTasks'], "restartsrv $service" );
};
if ( my $exception = $@ ) {
$self->logmsg("'$service' failed to update TLS protocols: $exception");
++$self->{failed};
}
else {
$self->logmsg("'$service' switched $old_string to $new_string");
}
}
}
else {
$self->logmsg("'$service' left $old_string unchanged");
}
}
return;
}
sub adjust_apache {
my ($self) = @_;
require Cpanel::EA4::Conf;
my $conf = Cpanel::EA4::Conf->instance();
my $old_string = $conf->sslprotocol;
my $new_string = Cpanel::SSL::Protocols::upgrade_version_string_for_tls_1_2_apache($old_string);
my $current = $conf->sslprotocol($new_string);
if ( $new_string ne $old_string ) {
if ( $self->{update} ) {
eval {
$conf->save;
Cpanel::ServerTasks::queue_task( ['ApacheTasks'], 'build_apache_conf' );
};
if ( my $exception = $@ ) {
$self->logmsg("'httpd' failed to update TLS protocols: $exception");
++$self->{failed};
# rebuild conf but save restart for the next time it's necessary
}
else {
$self->logmsg("'httpd' switched $old_string to $new_string");
}
}
}
else {
$self->logmsg("'httpd' left $old_string unchanged");
}
return;
}
sub logmsg {
my ( $self, $msg ) = @_;
return logger()->info( sprintf( '%s%s', $self->{update} ? '' : '(dry run) ', $msg ) );
}
sub _usage {
my ($error) = @_;
my $usage = <<EOU;
usage: $0 --dry-run | --update
You must specify one or the other, and you may not specify both.
--dry-run: Do everything (including log messages) except make the actual changes
--update: Make the changes
EOU
if ($error) {
print STDERR $usage;
return 1;
}
print $usage;
return 0;
}