September 2014
Intermediate to advanced
240 pages
5h 53m
English
Content preview from SELinux CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Adding build-time policy decisions
The last enhancement we might want to look at is build-time policy decisions. Unlike SELinux Booleans, these are policy blocks that are enabled (or disabled) based on build parameters. We have encountered a few of these in the past already, namely enable_mcs, enable_mls as well as distribution selection parameters, such as distro_gentoo or distro_redhat.
In this recipe, we will enable the xdg_manage_downloads_home call but only when the policy is built for a Gentoo system.
How to do it…
Build-time decisions are added to the policy using the ifdef statements, as can be seen through the next set of steps:
- Open
myskype.teand add in the following block of code:ifdef(`distro_gentoo',` xdg_manage_downloads_home(skype_t) ...
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