SELinux preventing printing.

[Daniel J Walsh]

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On 05/03/2010 11:18 AM, Steve Blackwell wrote:
> On Mon, 03 May 2010 11:03:55 -0400
> Daniel J Walsh <dwalsh at redhat.com> wrote:
> 
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>> On 05/03/2010 10:22 AM, Steve Blackwell wrote:
>>> My wife got a Lexmark X2670 printer with her new laptop and I
>>> connected it to my Fedora 11 system, and downloaded the driver from
>>> Lexmark.
>>>
>>> SELinux is preventing me from printing to it. At first I got 4 AVCs
>>> about attempting to load shared libraries that require text
>>> relocation. This I fixed with:
>>>
>>> # semanage fcontext -a -t textrel_shlib_t
>>> '/usr/local/lexmark/lxk08/lib(/.*)?'
>>> # restorecon -R -v /usr/local/lexmark/lxk08/lib
>>>
>>> but now I'm getting this one: 
>>>
>>> Raw Audit Messages :
>>>
>>> node=steve.blackwell type=AVC
>>> msg=audit(1272894966.836:66): avc: denied { search } for pid=29536
>>> comm="printdriver" name="lib" dev=dm-0 ino=7635564
>>> scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023
>>> tcontext=system_u:object_r:textrel_shlib_t:s0 tclass=dir
>>>
>>> node=steve.blackwell type=SYSCALL msg=audit(1272894966.836:66):
>>> arch=40000003 syscall=5 success=no exit=-13 a0=93cf620 a1=0 a2=0
>>> a3=389660 items=0 ppid=1655 pid=29536 auid=4294967295 uid=4 gid=7
>>> euid=4 suid=4 fsuid=4 egid=7 sgid=7 fsgid=7 tty=(none)
>>> ses=4294967295 comm="printdriver"
>>> exe="/usr/local/lexmark/lxk08/bin/printdriver"
>>> subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 key=(null) 
>>>
>>> What is the "correct" way to solve this? Create am audit2allow rule?
>>>
>>> Thanks,
>>> Steve
>>> --
>>> selinux mailing list
>>> selinux at lists.fedoraproject.org
>>> https://admin.fedoraproject.org/mailman/listinfo/selinux
>>
>>
>> # semanage fcontext -d -t textrel_shlib_t
>> '/usr/local/lexmark/lxk08/lib(/.*)?
>> # semanage fcontext -a -t textrel_shlib_t
>> '/usr/local/lexmark/lxk08/lib/.*\.so.*'
>> # restorecon -R -v /usr/local/lexmark
> 
> That got it. Thanks, Dan.
> So the files in the lib directory were labeled correctly but the
> directory itself was not. It needed to be of type lib_t.
> 
> Steve
> --
> selinux mailing list
> selinux at lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/selinux
Yes
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