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.. -*- mode: rst -*-
.. _unsorted-ssl:
==========
Python SSL
==========
The ssl module can be found `here <http://pypi.python.org/pypi/ssl>`_.
With this change, SSL certificate based client authentication is supported. In order to use this, based CA-type capabilities are required. A central CA needs to be created, with each server and all clients getting a signed cert. See [wiki:Authentication] for details.
Setting up keys is accomplished with three settings, each in the "`[communication]`" section of bcfg2.conf::
key = /path/to/ssl private key
certificate = /path/to/signed cert for that key
ca = /path/to/cacert.pem
Python SSL Backport Packaging
=============================
Both the Bcfg2 server and client are able to use the in-tree ssl module included with python 2.6. The client is also able to still use M2Crypto. A python ssl backport exists for 2.3, 2.4, and 2.5. With this, M2Crypto is not needed, and tlslite is no longer included with bcfg2 sources. See [wiki:Authentication] for details.
To build a package of the ssl backport for .deb based distributions that don't ship with python 2.6, you can follow these instructions, which use [http://github.com/astraw/stdeb/tree/master stdeb]. Alternatively if you happen to have .deb packaging skills, it would be great to get policy-complaint .debs into the major deb-based distributions.
The following commands were used to generate :download:`this
<python-ssl_1.14-1_amd64.deb>` debian package ('''NOTE:''' Version
numbers for the SSL module have changed). The `easy_install` command can
be found in the `python-setuptools` package.::
sudo aptitude install python-all-dev fakeroot
sudo easy_install stdeb
wget http://pypi.python.org/packages/source/s/ssl/ssl-1.14.tar.gz#md5=4e08aae0cd2c7388d1b4bbb7f374b14a
tar xvfz ssl-1.14.tar.gz
cd ssl-1.14
stdeb_run_setup
cd deb_dist/ssl-1.14
dpkg-buildpackage -rfakeroot -uc -us
sudo dpkg -i ../python-ssl_1.14-1_amd64.deb
For complete bcfg2 goodness, you'll also want to package stdeb using stdeb.
The completed debian package can be grabbed from :download:`here
<python-stdeb_0.3-1_all.deb>`, which was generated using the following::
sudo aptitude install apt-file
wget http://pypi.python.org/packages/source/s/stdeb/stdeb-0.3.tar.gz#md5=e692f745597dcdd9343ce133e3b910d0
tar xvfz stdeb-0.3.tar.gz
cd stdeb-0.3
stdeb_run_setup
cd deb_dist/stdeb-0.3
dpkg-buildpackage -rfakeroot -uc -us
sudo dpkg -i ../python-stdeb_0.3-1_all.deb
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