Some (untested) code...
Set the cookie containing the username and an encrypted key (the password + $key):
use Crypt::CBC;
my $key = 'kjhAG43asoiudy3kjq43ajhali87LOljkYilKH84yiHLkjklasjsd98fu';
my $cipher = new Crypt::CBC($key,'Blowfish');
my $crypt = $cipher->encrypt($password);
$cgi = new CGI;
my $auth = "$user,$crypt";
$cookie = $cgi->cookie (
-name => 'hostauth',
-value => $auth
);
print $cgi->header (-type => 'text/html', -cookie => $cookie);
And then, whenever you want, you can decrypt the key in the cookie (using the same $key) and send it along to the LDAP server:
use Crypt::CBC;
my $key = 'kjhAG43asoiudy3kjq43ajhali87LOljkYilKH84yiHLkjklasjsd98fu';
my $cipher = new Crypt::CBC($key,'Blowfish');
my $auth = $cipher->decrypt($cookie);
# Send the $auth to the LDAP server...
-s.
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