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Go Back   Linux Archive > Redhat > Fedora SELinux Support

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Old 01-08-2010, 07:03 PM
Stephen Smalley
Default A really simple question

On Fri, 2010-01-08 at 11:35 -0800, Usman S. Ansari wrote:
> I have written a driver for Linux kernel, in this driver I am using sk_security field for driver's internal data structure. This means that if SELinux is enabled, it will have conflict with my driver. For this reason, I run my driver with SELinux disabled.
> I want to know if it is possible to, only enable security on files and not on network objects ?
> >From what I have read about SELinux, it looks like this it possible, I just need conformation. And if this is possible, will SELinux need to use sk_security filed or not.
> If this is wrong list, please let me know appropriate place.
> Thanks.

No, not possible (and not a legitimate use of that field by your driver
regardless). From 2006:

commit c2b507fda390b8ae90deba9b8cdc3fe727482193
Author: Stephen Smalley <sds@tycho.nsa.gov>
Date: Sat Feb 4 23:27:50 2006 -0800

[PATCH] selinux: require SECURITY_NETWORK

Make SELinux depend on SECURITY_NETWORK (which depends on SECURITY), as it
requires the socket hooks for proper operation even in the local case.

Stephen Smalley
National Security Agency

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