#!perl
BEGIN {
        $| = 1;
        open (STDERR, ">&STDOUT");
        print qq~Content-type: text/html\n\n~;
}



use warnings;
use CGI qw(:standard);
use CGI::Cookie;
use CGI;

$user = "test";
$pws = "123456";

$query = CGI->new();


if ($query->param('user') eq ""){
print "<font color=\"red\">Enter your User name.</font>";
exit;
}
if ($query->param('pws') eq ""){
print "<font color=\"red\">Enter your password.</font>";
exit;
}

if (($query->param('user') eq "$user") && ($query->param('pws') eq "$pws")) {
$query = CGI->new();
my %cookie = CGI::Cookie->fetch;

if (exists $cookie{'$user'}) {
   print header,
      start_html('got cookie'),
      p('found the cookie: ' . $cookie{$user}->value),
      end_html,
   ;
exit;
}
else {
   my $cookie = CGI::Cookie->new(-name=>$user,-value=>$pws,-expires=>'+23h');
   print header(-cookie=>$cookie),
      start_html('need cookie'),
      p('setting cookie, please reload'),
      end_html,
   ;
exit;
}

}

print "Your User name / Password it's not good.<br>";
exit;