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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/checkbashshell 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;
my @shells = (
'/usr/local/cpanel/bin/jailshell',
'/usr/local/cpanel/bin/noshell',
'/bin/bash',
'/bin/false',
'/bin/ftpsh',
);
my $contents = slurp_shells();
foreach my $shell (@shells) {
if ( $contents !~ m/$shell/ ) {
$contents .= "$shell\n";
}
}
write_shells($contents);
exit;
sub slurp_shells {
open( my $shells_fh, '<', '/etc/shells' ) or die "Couldn't open /etc/shells for reading: $!";
local $/;
my $contents = <$shells_fh>;
$contents .= "\n" unless $contents =~ m/\n$/;
return $contents;
}
sub write_shells {
my ($contents) = @_;
open( my $shells_fh, '>', '/etc/shells' ) or die "Couldn't open /etc/shells for writing: $!";
print {$shells_fh} $contents;
close $shells_fh or die "Couldn't write /etc/shells. Please verify its contents! $!";
}