Re: logrotate accessing /root avc messages
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On 03/24/2011 04:42 PM, Luciano Furtado wrote:
Hi Daniel,
Sorry I did not mention this earlier. This is a Debian machine. I was
not aware that they had their own policies.
lrfurtado:~# dpkg -l | grep selinux
ii libselinux1 2.0.65-5
SELinux shared libraries
ii python-selinux 2.0.65-5
Python bindings to SELinux shared libraries
ii selinux-basics 0.3.5
SELinux basic support
ii selinux-policy-default 2:0.0.20080702-6
Strict and Targeted variants of the SELinux
ii selinux-policy-dev 2:0.0.20080702-6
Headers from the SELinux reference policy fo
ii selinux-utils 2.0.65-5
SELinux utility programs
lrfurtado:~# dpkg -l | grep logrotate
ii logrotate 3.7.1-5 Log
rotation utility
lrfurtado:~# cat /etc/debian_version
5.0.7
lrfurtado:~#
On 11-03-24 14:16, Daniel J Walsh wrote:
> On 03/24/2011 02:08 PM, Luciano Furtado wrote:
>> Hey Guys,
>> Any ideas why logrotate is trying to access /root as shown by the avc
>> message bellow:
>> lrfurtado:~# ausearch -ts today
>> ----
>> time->Thu Mar 24 06:25:45 2011
>> type=SYSCALL msg=audit(1300947945.464:26): arch=40000003 syscall=5
>> success=no exit=-13 a0=88404c0 a1=8000 a2=0 a3=8000 items=0 ppid=13192
>> pid=13193 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0
>> sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="logrotate"
>> exe="/usr/sbin/logrotate"
>> subj=system_u:system_r:logrotate_t:s0-s0:c0.c1023 key=(null)
>> type=AVC msg=audit(1300947945.464:26): avc: denied { search } for
>> pid=13193 comm="logrotate" name="root" dev=xvda ino=401409
>> scontext=system_u:system_r:logrotate_t:s0-s0:c0.c1023
>> tcontext=unconfined_u:object_r:unconfined_home_dir_t:s0 tclass=dir
>> is this the issue described here :
>> https://bugzilla.redhat.com/show_bug.cgi?id=471463
>> For now I have added :
>> allow logrotate_t unconfined_home_dir_t:dir search;
>> to my local module to shut up the avc messages. IS there any to stop
>> logrotate from generating those AVC messages other then adding the allow
>> rule above?
>> Best Regards.
>> Luciano
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In Fedora we allow logrotate to search all directories since log files
could be stored anywhere.
One think I have noticed is lots of apps look at the default directory
where they are started. So if while sitting in the /root directory you
restart a confined daemon you can get this type of AVC.
I would also look in /etc/logrotate.d to see if anything says to look in
/root for content.
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