On 01/24/2013 02:48 PM, Daniel J Walsh wrote:
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> On 01/24/2013 01:15 PM, Robert Moskowitz wrote:
>> Thank you for your suggestion, but it did not fix the permissions problem.
>>
>> On 01/24/2013 10:13 AM, Rob wrote:
>>> usermod -a -G amavis clam
>> How is this different from:
>>
>> gpasswd -a clam amavis
>>
>> And I am still getting the permissions error.
>>
>>> service clamd restart
>>>
>>> be happy
>>>
>>> On 24.01.2013, at 04:16, Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> wrote:
>>>
>>>> I am trying to follow:
>>>>
>>>> http://wiki.centos.org/HowTos/Amavisd
>>>>
>>>> Which seems to really be written for Centos 5, with just some selinux
>>>> references for Centos 6. There are real problems here for Centos 6
>>>> with the userids section.
>>>>
>>>> It gives the following command and result:
>>>>
>>>> cat /etc/passwd | grep "amavis\|clamav" clamav:x:101:102:Clam Anti
>>>> Virus Checker:/var/clamav:/sbin/nologin amavis:x:102:103:Amavis email
>>>> scan user:/var/amavis:/bin/sh
>>>>
>>>> But my Centos 6.3 has:
>>>>
>>>> clam:x:494:490:Clam Anti Virus Checker:/var/lib/clamav:/sbin/nologin
>>>> amavis:x:493:489::/var/spool/amavisd:/sbin/nologin
>>>>
>>>> Note the difference in userid clam instead of clamav. So this causes
>>>> problems with the group recommendation:
>>>>
>>>> In addition, the clamav user should automatically have been added to
>>>> the amavis group:
>>>>
>>>> # groups clamav clamav : clamav amavis
>>>>
>>>> If not, you can manually add clamav to the amavis group:
>>>>
>>>> gpasswd -a clamav amavis
>>>>
>>>>
>>>> so I did:
>>>>
>>>> gpasswd -a clam amavis
>>>>
>>>>
>>>> So far, it seems just changing what userid is now used by clamav...
>>>>
>>>> But in testing for spam I see the following in /var/log/maillog
>>>>
>>>> Jan 23 15:56:17 test1 amavis[25669]: (25669-01) (!)run_av
>>>> (ClamAV-clamd) FAILED - unexpected ,
>>>> output="/var/spool/amavisd/tmp/amavis-20130123T155617-25669/parts:
>>>> lstat() failed: Permission denied. ERROR\n"
>>>>
>>>> I checked this directory tree and all along the tree the permissions
>>>> are to amavis:amavis
>>>>
>>>> So where is my permission problem?
>>>>
>>>>
>>>> _______________________________________________ CentOS mailing list
>>>> CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos
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>> _______________________________________________ CentOS mailing list
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>>
> Can you attach the AVC messages from audit log.
>
> ausearch -m avc -ts recent
Back home and booted up test system (thus no questions about clamav state):
----
time->Mon Jan 28 11:18:26 2013
type=SYSCALL msg=audit(1359389906.446:25): arch=40000003 syscall=5
success=yes exit=3 a0=92de9d8 a1=98800 a2=92de9d8 a3=92ba620 items=0
ppid=2211 pid=3045 auid=4294967295 uid=493 gid=489 euid=493 suid=493
fsuid=493 egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295
comm="clamscan" exe="/usr/bin/clamscan"
subj=system_u:system_r:clamscan_t:s0 key=(null)
type=AVC msg=audit(1359389906.446:25): avc: denied { read } for
pid=3045 comm="clamscan" name="parts" dev=dm-0 ino=2624185
scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
----
time->Mon Jan 28 11:18:26 2013
type=SYSCALL msg=audit(1359389906.490:26): arch=40000003 syscall=39
success=yes exit=0 a0=92e64f8 a1=1c0 a2=a36cd8 a3=92e64f8 items=0
ppid=2211 pid=3045 auid=4294967295 uid=493 gid=489 euid=493 suid=493
fsuid=493 egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295
comm="clamscan" exe="/usr/bin/clamscan"
subj=system_u:system_r:clamscan_t:s0 key=(null)
type=AVC msg=audit(1359389906.490:26): avc: denied { create } for
pid=3045 comm="clamscan" name="clamav-add5fee27e737080ac3907505396eca9"
scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
type=AVC msg=audit(1359389906.490:26): avc: denied { add_name } for
pid=3045 comm="clamscan" name="clamav-add5fee27e737080ac3907505396eca9"
scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
type=AVC msg=audit(1359389906.490:26): avc: denied { write } for
pid=3045 comm="clamscan" name="tmp" dev=dm-0 ino=2624119
scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
----
time->Mon Jan 28 11:18:26 2013
type=SYSCALL msg=audit(1359389906.528:27): arch=40000003 syscall=5
success=yes exit=5 a0=92f1810 a1=2c2 a2=1c0 a3=bfdb5d2c items=0
ppid=2211 pid=3045 auid=4294967295 uid=493 gid=489 euid=493 suid=493
fsuid=493 egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295
comm="clamscan" exe="/usr/bin/clamscan"
subj=system_u:system_r:clamscan_t:s0 key=(null)
type=AVC msg=audit(1359389906.528:27): avc: denied { write } for
pid=3045 comm="clamscan" name="clamav-308541af5e7a69c500ba0757a9644b91"
dev=dm-0 ino=2753728 scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=file
type=AVC msg=audit(1359389906.528:27): avc: denied { create } for
pid=3045 comm="clamscan" name="clamav-308541af5e7a69c500ba0757a9644b91"
scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=file
----
time->Mon Jan 28 11:18:26 2013
type=SYSCALL msg=audit(1359389906.529:28): arch=40000003 syscall=15
success=yes exit=0 a0=92e64f8 a1=1c0 a2=a36cd8 a3=92e64f8 items=0
ppid=2211 pid=3045 auid=4294967295 uid=493 gid=489 euid=493 suid=493
fsuid=493 egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295
comm="clamscan" exe="/usr/bin/clamscan"
subj=system_u:system_r:clamscan_t:s0 key=(null)
type=AVC msg=audit(1359389906.529:28): avc: denied { setattr } for
pid=3045 comm="clamscan" name="clamav-add5fee27e737080ac3907505396eca9"
dev=dm-0 ino=2753586 scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
----
time->Mon Jan 28 11:18:26 2013
type=SYSCALL msg=audit(1359389906.529:29): arch=40000003 syscall=40
success=no exit=-39 a0=92e64f8 a1=5106a4d2 a2=a36cd8 a3=92fee08 items=0
ppid=2211 pid=3045 auid=4294967295 uid=493 gid=489 euid=493 suid=493
fsuid=493 egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295
comm="clamscan" exe="/usr/bin/clamscan"
subj=system_u:system_r:clamscan_t:s0 key=(null)
type=AVC msg=audit(1359389906.529:29): avc: denied { rmdir } for
pid=3045 comm="clamscan" name="clamav-add5fee27e737080ac3907505396eca9"
dev=dm-0 ino=2753586 scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
type=AVC msg=audit(1359389906.529:29): avc: denied { remove_name }
for pid=3045 comm="clamscan"
name="clamav-add5fee27e737080ac3907505396eca9" dev=dm-0 ino=2753586
scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=dir
----
time->Mon Jan 28 11:18:26 2013
type=SYSCALL msg=audit(1359389906.529:30): arch=40000003 syscall=10
success=yes exit=0 a0=92f1910 a1=5106a4d2 a2=a36cd8 a3=92fee08 items=0
ppid=2211 pid=3045 auid=4294967295 uid=493 gid=489 euid=493 suid=493
fsuid=493 egid=489 sgid=489 fsgid=489 tty=(none) ses=4294967295
comm="clamscan" exe="/usr/bin/clamscan"
subj=system_u:system_r:clamscan_t:s0 key=(null)
type=AVC msg=audit(1359389906.529:30): avc: denied { unlink } for
pid=3045 comm="clamscan" name="clamav-fcdca25df759de4e1da6dab82a8439a5"
dev=dm-0 ino=2753729 scontext=system_u:system_r:clamscan_t:s0
tcontext=system_u:object_r:amavis_spool_t:s0 tclass=file
Hope this helps!
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