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fedora-selinux: Re: Clamd - again...

Re: Clamd - again...

From: Arthur Dent <misc.lists_at_nospam>
Date: Mon Aug 23 2010 - 11:12:26 GMT
To: selinux@lists.fedoraproject.org

On Mon, 2010-08-23 at 13:01 +0200, Dominick Grift wrote:
> On 08/23/2010 12:57 PM, Arthur Dent wrote:
> > On Mon, 2010-08-23 at 12:31 +0200, Dominick Grift wrote:
> >> On 08/23/2010 12:20 PM, Arthur Dent wrote:
> >>> On Mon, 2010-08-23 at 10:56 +0200, Dominick Grift wrote:
> >>>> On 08/23/2010 10:47 AM, Arthur Dent wrote:
> >>>>> On Mon, 2010-08-23 at 10:42 +0200, Dominick Grift wrote:
> >>>>>> On 08/23/2010 10:40 AM, Arthur Dent wrote:
> >>>>>>> On Mon, 2010-08-23 at 10:29 +0200, Dominick Grift wrote:
> >>>>>>>> On 08/23/2010 10:09 AM, Arthur Dent wrote:
> >>>>>>>>> On Sun, 2010-08-22 at 22:44 +0100, Arthur Dent wrote:
> >>>>>>>>>> On Sun, 2010-08-22 at 23:07 +0200, Dominick Grift wrote:
> >>>>>>>>>>> On 08/22/2010 08:24 PM, Arthur Dent wrote:
> >>>>>>>>>>
> >>
> >> Looks like clamd again/or still runs in the init script domain.
> >> Therefore clamdscan cannot connect to it
> >>
> >> ps -auxZ | grep initrc_t
> >
> > # ps -auxZ | grep initrc_t
> > Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ
> > system_u:system_r:initrc_t:s0 ddclient 1141 0.0 0.1 9148 1824 ? S Aug21 0:02 ddclient - sleeping for 20 seconds
> > unconfined_u:system_r:initrc_t:s0 clamav 19801 0.2 27.6 309276 279772 ? Ssl Aug22 4:01 /usr/local/sbin/clamd
> > unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 root 25217 0.0 0.0 4312 728 pts/0 S+ 11:55 0:00 grep initrc_t
>
> So clamd runs in the wrong domain:
>
> try:
>
> matchpathcon /usr/local/sbin/clamd
> chcon -t clamd_exec_t /usr/local/sbin/clamd
> service clamd restart

Not quite sure what went wrong here...

# matchpathcon /usr/local/sbin/clamd
/usr/local/sbin/clamd system_u:object_r:bin_t:s0
# chcon -t clamd_exec_t /usr/local/sbin/clamd
# service clamd restart
Stopping clamd: [ OK ]
Starting clamd: [FAILED]

# ausearch -m avc -ts recent

---- time->Mon Aug 23 12:08:19 2010 type=SYSCALL msg=audit(1282561699.384:43466): arch=40000003 syscall=33 success=no exit=-13 a0=8c94b80 a1=4 a2=168ed30 a3=8c94b80 items=0 ppid=25311 pid=25312 auid=4294967295 uid=503 gid=503 euid=503 suid=503 fsuid=503 egid=503 sgid=503 fsgid=503 tty=(none) ses=4294967295 comm="clamd" exe="/usr/local/sbin/clamd" subj=unconfined_u:system_r:clamd_t:s0 key=(null) type=AVC msg=audit(1282561699.384:43466): avc: denied { read } for pid=25312 comm="clamd" name="daily.cld" dev=sda6 ino=272876 scontext=unconfined_u:system_r:clamd_t:s0 tcontext=unconfined_u:object_r:usr_t:s0 tclass=file ---- time->Mon Aug 23 12:08:19 2010 type=SYSCALL msg=audit(1282561699.384:43467): arch=40000003 syscall=5 success=no exit=-13 a0=8c94c38 a1=0 a2=1b6 a3=154d519 items=0 ppid=25311 pid=25312 auid=4294967295 uid=503 gid=503 euid=503 suid=503 fsuid=503 egid=503 sgid=503 fsgid=503 tty=(none) ses=4294967295 comm="clamd" exe="/usr/local/sbin/clamd" subj=unconfined_u:system_r:clamd_t:s0 key=(null) type=AVC msg=audit(1282561699.384:43467): avc: denied { read } for pid=25312 comm="clamd" name="phish.ndb" dev=sda6 ino=263326 scontext=unconfined_u:system_r:clamd_t:s0 tcontext=system_u:object_r:usr_t:s0 tclass=file ---- time->Mon Aug 23 12:08:19 2010 type=SYSCALL msg=audit(1282561699.384:43465): arch=40000003 syscall=33 success=no exit=-13 a0=8c94b80 a1=4 a2=168ed30 a3=8c94b80 items=0 ppid=25311 pid=25312 auid=4294967295 uid=503 gid=503 euid=503 suid=503 fsuid=503 egid=503 sgid=503 fsgid=503 tty=(none) ses=4294967295 comm="clamd" exe="/usr/local/sbin/clamd" subj=unconfined_u:system_r:clamd_t:s0 key=(null) type=AVC msg=audit(1282561699.384:43465): avc: denied { read } for pid=25312 comm="clamd" name="daily.cld" dev=sda6 ino=272876 scontext=unconfined_u:system_r:clamd_t:s0 tcontext=unconfined_u:object_r:usr_t:s0 tclass=file ---- time->Mon Aug 23 12:08:19 2010 type=SYSCALL msg=audit(1282561699.384:43468): arch=40000003 syscall=33 success=no exit=-13 a0=8c94c38 a1=4 a2=168ed30 a3=0 items=0 ppid=25311 pid=25312 auid=4294967295 uid=503 gid=503 euid=503 suid=503 fsuid=503 egid=503 sgid=503 fsgid=503 tty=(none) ses=4294967295 comm="clamd" exe="/usr/local/sbin/clamd" subj=unconfined_u:system_r:clamd_t:s0 key=(null) type=AVC msg=audit(1282561699.384:43468): avc: denied { read } for pid=25312 comm="clamd" name="phish.ndb" dev=sda6 ino=263326 scontext=unconfined_u:system_r:clamd_t:s0 tcontext=system_u:object_r:usr_t:s0 tclass=file

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