#!/usr/bin/perl -w

use strict;
use warnings;

use Authen::Simple::PAM;
use CGI qw( :standard :html3 );
use CGI::Carp qw(fatalsToBrowser);

my $cgi = new CGI;
 my $pam = Authen::Simple::PAM->new(
        service => 'sshd',
      );


print $cgi->header();
print $cgi->start_html();

print $cgi->start_form();
print $cgi->textfield(-name=>'username');
print $cgi->password_field(-name=>'passwd');
print $cgi->submit(-name=>'submit',-value=>'submit');
if($cgi->param('submit')) {

    my $password = $cgi->param('passwd');
    my $username = $cgi->param('username');

    if( $pam->authenticate( $username, $password) ) {
            print "Authentication Succesfull<br>";
        } else {
             print "Authentication failed<br>";
          }
}

print $cgi->end_html();