On 08/24/2010 08:55 AM, Arthur Dent wrote:
On Tue, 2010-08-24 at 08:41 +0200, Dominick Grift wrote:
> On 08/24/2010 12:20 AM, Arthur Dent wrote:
>> On Mon, 2010-08-23 at 20:50 +0200, Dominick Grift wrote:
>>
>>> open your ~/myclamd/myclamd.te file and append the following:
>>>
>>> gen_require(`
>>> type clamscan_t;
>>> ')
>>>
>>> procmail_rw_tmp_files(clamscan_t)
>>> mta_read_queue(clamscan_t)
>>>
>>>
>>> Then rebuild be binary representation and reinstall it:
>>>
>>> cd ~/myclamd;
>>> make -f /usr/share/selinux/devel/Makefile myclamd.pp
>>> sudo semodule -i myclamd.pp
>>
>> I'm sorry to be a nuisance Dominick, but I'm afraid there's another
>> problem.
>>
>> Many people, including myself, who use clamd run a program called
>> clamdwatch to monitor the fact that the clamd daemon is alive and well.
>>
>> This basically works by sending the Eicar virus to clamd and if it
>> doesn't get back the expected virus warning it assumes clamd is dead and
>> tries to restart it.
>>
>> I have it running from a cron job:
>> */10 * * * * /root/scripts/clamdwatch -q && ( /usr/bin/killall -9 clamd;
rm -fr /var/run/clamd.sock; rm -rf /tmp/clamav-*; /etc/init.d/clamd start 2>&1 )
>>
>> At the moment, every time this runs it restarts clamd.
>>
>> Here is the associated avc (still with semanage -DB).
>
> i guess you could chcon the file from the cronjob to use a type that
> clamd_t can access. for example append chcon -t clamd_tmp_t /tmp/clamdwatch*
>
> That would be a workaround.
>
> The other approach is to write policy for clamdwatch.
>
> Another approach which is not encouraged is to allow clamd_t access to
> user temporary content.
>
> What package provides this app? and why is it in the admin directory?
Sorry - It's not an app, it's a script (perl). It comes in the clamav
tarball. I have put it in my /root/scripts/ directory where I keep most
of my scripts run from cron.
I can send you a copy if that would help?
no thanks.
Does:
/root/scripts/clamdwatch -q && ( /usr/bin/killall -9 clamd; rm -fr
/var/run/clamd.sock; rm -rf /tmp/clamav-*; chcon -t /tmp/clamdwatch*;
/etc/init.d/clamd start 2>&1 )
make it work?
Thanks
Mark
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