Re: audit log for "setenforce" changes?

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On Mon, Jan 14, 2008 at 01:46:17PM -0500, Stephen Smalley wrote:
> load_policy doesn't touch the enforcing status.
> 
> > Anyway, you have some serious labeling issue there in /var...
> > 
> > try restorecon -R /var

The labelleing issues I would (perhaps incorrectly) expect from 
running SELinux in permissive mode.  I decided to relabel and reboot 
into enforcing mode.  What a disaster.  The system couldn't boot 
enough to run the "fixfiles restore" from /etc/rc.sysinit, not even in 
single user mode.  I had to eventually boot into single user mode with 
the selinux=0 kernel parameter and run "fixfiles restore" manully.  
Then I discovered that somehow a bunch of bogus "unconfined" entries 
had appeared in 
/etc/selinux/targeted/contexts/files/file_contexts.homedirs:

#
#
# User-specific file contexts, generated via libsemanage
# use semanage command to manage system users to change the file_context
#
#


#
# Home Context for user unconfined_u
#

/etc/[^/]*/.+	unconfined_u:object_r:unconfined_home_t:s0
/etc/[^/]*/.gnome2(/.*)?	unconfined_u:object_r:unconfined_gnome_home_t:s0
/etc/[^/]*/.*/plugins/nprhapengine\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/etc/[^/]*/.*/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/etc/[^/]*/((www)|(web)|(public_html))(/.+)?	unconfined_u:object_r:httpd_unconfined_content_t:s0
/etc/[^/]*/\.java(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/etc/[^/]*/\.galeon(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/etc/[^/]*/\.mozilla(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/etc/[^/]*/\.phoenix(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/etc/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/etc/[^/]*/\.netscape(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/etc/[^/]*/\.gstreamer-.*/[^/]*\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/etc/[^/]*/\.config/gtk-.*	unconfined_u:object_r:unconfined_gnome_home_t:s0
/etc/[^/]*	-d	unconfined_u:object_r:unconfined_home_dir_t:s0
/etc/[^/]*	-l	unconfined_u:object_r:unconfined_home_dir_t:s0
/etc/lost\+found/.*	<<none>>
/etc	-d	system_u:object_r:home_root_t:s0
/etc/\.journal	<<none>>
/etc/lost\+found	-d	system_u:object_r:lost_found_t:s0


#
# Home Context for user unconfined_u
#

/home/[^/]*/.+	unconfined_u:object_r:unconfined_home_t:s0
/home/[^/]*/.gnome2(/.*)?	unconfined_u:object_r:unconfined_gnome_home_t:s0
/home/[^/]*/.*/plugins/nprhapengine\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/home/[^/]*/.*/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/home/[^/]*/((www)|(web)|(public_html))(/.+)?	unconfined_u:object_r:httpd_unconfined_content_t:s0
/home/[^/]*/\.java(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/home/[^/]*/\.galeon(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/home/[^/]*/\.mozilla(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/home/[^/]*/\.phoenix(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/home/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/home/[^/]*/\.netscape(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/home/[^/]*/\.gstreamer-.*/[^/]*\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/home/[^/]*/\.config/gtk-.*	unconfined_u:object_r:unconfined_gnome_home_t:s0
/home/[^/]*	-d	unconfined_u:object_r:unconfined_home_dir_t:s0
/home/[^/]*	-l	unconfined_u:object_r:unconfined_home_dir_t:s0
/home/lost\+found/.*	<<none>>
/home	-d	system_u:object_r:home_root_t:s0
/home/\.journal	<<none>>
/home/lost\+found	-d	system_u:object_r:lost_found_t:s0


#
# Home Context for user unconfined_u
#

/opt/[^/]*/.+	unconfined_u:object_r:unconfined_home_t:s0
/opt/[^/]*/.gnome2(/.*)?	unconfined_u:object_r:unconfined_gnome_home_t:s0
/opt/[^/]*/.*/plugins/nprhapengine\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/opt/[^/]*/.*/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/opt/[^/]*/((www)|(web)|(public_html))(/.+)?	unconfined_u:object_r:httpd_unconfined_content_t:s0
/opt/[^/]*/\.java(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/opt/[^/]*/\.galeon(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/opt/[^/]*/\.mozilla(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/opt/[^/]*/\.phoenix(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/opt/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/opt/[^/]*/\.netscape(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/opt/[^/]*/\.gstreamer-.*/[^/]*\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/opt/[^/]*/\.config/gtk-.*	unconfined_u:object_r:unconfined_gnome_home_t:s0
/opt/[^/]*	-d	unconfined_u:object_r:unconfined_home_dir_t:s0
/opt/[^/]*	-l	unconfined_u:object_r:unconfined_home_dir_t:s0
/opt/lost\+found/.*	<<none>>
/opt	-d	system_u:object_r:home_root_t:s0
/opt/\.journal	<<none>>
/opt/lost\+found	-d	system_u:object_r:lost_found_t:s0


#
# Home Context for user unconfined_u
#

/usr/libexec/[^/]*/.+	unconfined_u:object_r:unconfined_home_t:s0
/usr/libexec/[^/]*/.gnome2(/.*)?	unconfined_u:object_r:unconfined_gnome_home_t:s0
/usr/libexec/[^/]*/.*/plugins/nprhapengine\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/usr/libexec/[^/]*/.*/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/usr/libexec/[^/]*/((www)|(web)|(public_html))(/.+)?	unconfined_u:object_r:httpd_unconfined_content_t:s0
/usr/libexec/[^/]*/\.java(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/usr/libexec/[^/]*/\.galeon(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/usr/libexec/[^/]*/\.mozilla(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/usr/libexec/[^/]*/\.phoenix(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/usr/libexec/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/usr/libexec/[^/]*/\.netscape(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/usr/libexec/[^/]*/\.gstreamer-.*/[^/]*\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/usr/libexec/[^/]*/\.config/gtk-.*	unconfined_u:object_r:unconfined_gnome_home_t:s0
/usr/libexec/[^/]*	-d	unconfined_u:object_r:unconfined_home_dir_t:s0
/usr/libexec/[^/]*	-l	unconfined_u:object_r:unconfined_home_dir_t:s0
/usr/libexec/lost\+found/.*	<<none>>
/usr/libexec	-d	system_u:object_r:home_root_t:s0
/usr/libexec/\.journal	<<none>>
/usr/libexec/lost\+found	-d	system_u:object_r:lost_found_t:s0


#
# Home Context for user unconfined_u
#

/var/log/[^/]*/.+	unconfined_u:object_r:unconfined_home_t:s0
/var/log/[^/]*/.gnome2(/.*)?	unconfined_u:object_r:unconfined_gnome_home_t:s0
/var/log/[^/]*/.*/plugins/nprhapengine\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/var/log/[^/]*/.*/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/var/log/[^/]*/((www)|(web)|(public_html))(/.+)?	unconfined_u:object_r:httpd_unconfined_content_t:s0
/var/log/[^/]*/\.java(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/var/log/[^/]*/\.galeon(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/var/log/[^/]*/\.mozilla(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/var/log/[^/]*/\.phoenix(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/var/log/[^/]*/\.mozilla(/.*)?/plugins/libflashplayer\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/var/log/[^/]*/\.netscape(/.*)?	unconfined_u:object_r:unconfined_mozilla_home_t:s0
/var/log/[^/]*/\.gstreamer-.*/[^/]*\.so.*	--	unconfined_u:object_r:textrel_shlib_t:s0
/var/log/[^/]*/\.config/gtk-.*	unconfined_u:object_r:unconfined_gnome_home_t:s0
/var/log/[^/]*	-d	unconfined_u:object_r:unconfined_home_dir_t:s0
/var/log/[^/]*	-l	unconfined_u:object_r:unconfined_home_dir_t:s0
/var/log/lost\+found/.*	<<none>>
/var/log	-d	system_u:object_r:home_root_t:s0
/var/log/\.journal	<<none>>
/var/log/lost\+found	-d	system_u:object_r:lost_found_t:s0
/tmp/gconfd-.*	-d	unconfined_u:object_r:unconfined_tmp_t:s0


#
# Home Context for user root
#

/root/.+	root:object_r:sysadm_home_t:s0
/root/.gnome2(/.*)?	root:object_r:sysadm_gnome_home_t:s0
/root/.*/plugins/nprhapengine\.so.*	--	root:object_r:textrel_shlib_t:s0
/root/.*/plugins/libflashplayer\.so.*	--	root:object_r:textrel_shlib_t:s0
/root/((www)|(web)|(public_html))(/.+)?	root:object_r:httpd_sysadm_content_t:s0
/root/\.ssh(/.*)?	root:object_r:sysadm_home_ssh_t:s0
/root/\.uml(/.*)?	root:object_r:sysadm_uml_rw_t:s0
/root/\.java(/.*)?	root:object_r:sysadm_mozilla_home_t:s0
/root/\.xauth.*	--	root:object_r:sysadm_xauth_home_t:s0
/root/\.fonts(/.*)?	root:object_r:sysadm_fonts_t:s0
/root/\.pyzor(/.*)?	root:object_r:sysadm_pyzor_home_t:s0
/root/\.razor(/.*)?	root:object_r:sysadm_razor_home_t:s0
/root/vmware(/.*)?	root:object_r:sysadm_vmware_file_t:s0
/root/\.galeon(/.*)?	root:object_r:sysadm_mozilla_home_t:s0
/root/\.vmware(/.*)?	root:object_r:sysadm_vmware_file_t:s0
/root/\.vmware[^/]*/.*\.cfg	--	root:object_r:sysadm_vmware_conf_t:s0
/root/\.mozilla(/.*)?	root:object_r:sysadm_mozilla_home_t:s0
/root/\.phoenix(/.*)?	root:object_r:sysadm_mozilla_home_t:s0
/root/\.mplayer(/.*)?	root:object_r:sysadm_mplayer_home_t:s0
/root/\.mozilla(/.*)?/plugins/libflashplayer\.so.*	--	root:object_r:textrel_shlib_t:s0
/root/\.ethereal(/.*)?	root:object_r:sysadm_ethereal_home_t:s0
/root/\.netscape(/.*)?	root:object_r:sysadm_mozilla_home_t:s0
/root/\.Xauthority.*	--	root:object_r:sysadm_xauth_home_t:s0
/root/\.fonts/auto(/.*)?	root:object_r:sysadm_fonts_cache_t:s0
/root/\.gstreamer-.*/[^/]*\.so.*	--	root:object_r:textrel_shlib_t:s0
/root/\.config/gtk-.*	root:object_r:sysadm_gnome_home_t:s0
/root/\.fonts\.cache-.*	--	root:object_r:sysadm_fonts_cache_t:s0
/root/\.ICEauthority.*	--	root:object_r:sysadm_iceauth_home_t:s0
/root/\.spamassassin(/.*)?	root:object_r:sysadm_spamassassin_home_t:s0
/root	-d	root:object_r:sysadm_home_dir_t:s0
/root	-l	root:object_r:sysadm_home_dir_t:s0
/root/\.ircmotd	--	root:object_r:sysadm_irc_home_t:s0
/root/\.screenrc	--	root:object_r:sysadm_screen_ro_home_t:s0
/root/\.fonts\.conf	--	root:object_r:sysadm_fonts_config_t:s0
/tmp/gconfd-root	-d	root:object_r:sysadm_tmp_t:s0


I deleted all the sections head up with "Home Context for user 
unconfined_u" then re-ran "fixfiles restore".

The conclusion I draw is that running SELinux in permissive mode for 
an extended period of time isn't well supported at all, and shouldn't 
be recommended ever.  Perhaps more testing should go into running a 
system in permissive mode while yum updates apply selinux packages, 
etc. to find these types of issues.

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