This is the Debian GNU/Linux packaged version of cfengine.
Source were obtained from the GNU archives at ftp://ftp.gnu.org/pub/gnui

cfengine is distributed with the GNU General Public License (GPL) version 2.
On Debian GNU/Linux systems a copy of this license can be found in
/usr/share/common-licenses/GPL

It is allowed to link cfengine with OpenSSL, per the following mail:

From: Mark.Burgess@iu.hio.no
Subject: Re: cfengine, openssl and the license license
To: tollef@add.no
Date: Thu, 25 Apr 2002 11:33:29 +0200 (MET DST)


Sure.

On 25 Apr, Tollef Fog Heen wrote:
> * 
> 
> | I see. Well, you have my blessing to use cfengine-2.0.1 with openssl
> | for now. I shall be releasing another patch version shortly with
> | various minor developments, and I'll include the modification
> | there. In the mean time, there are not significant changes, so
> | you can use 2.0.1 as your base.
> 
> Great.  Does this apply for 1.6.3 as well?
>