Re: RES: Problem with SELinux and Squid+Winbind+Samba

[Daniel J Walsh <dwalsh@redhat.com>]

Luis Fernando C. Talora wrote:

>That´s the problem: I have no idea of how to build policies for SELinux...
>Is there a way to remove SELinux features without reinstaling the OS from
>the scratch? Or (maybe it´s better) could you please tell me where to find
>some documentation about SELinux? Some tips on how to build the policies
>would be nice, too... :) 
>
>I´m using Fedora Core 3.
>
>Thank you very much!
>
>Regards,
>
>  
>
system-config-securitylevel will allow you to adjust or turn off SELinux 
on you FC3 machine.
If you just want to turn off squid enforcement you can select
Disable SELinux protection for squid daemon
under the SELinux Service Protection list item.
Then restart the squid service.

>_____________________
>Luis Fernando C. Talora
>
>
>-----Mensagem original-----
>De: Luke Kenneth Casson Leighton [mailto:lkcl@lkcl.net] 
>Enviada em: terça-feira, 7 de dezembro de 2004 18:41
>Para: Luis Fernando C. Talora
>Cc: (SELinux@tycho.nsa.gov)
>Assunto: Re: Problem with SELinux and Squid+Winbind+Samba
>
>On Tue, Dec 07, 2004 at 09:19:14AM -0200, Luis Fernando C. Talora wrote:
>  
>
>>Fellows,
>> 
>>I?m trying to put a server running Squid with Microsoft Windows Active 
>>Directory integrated authentication (using Samba 3 and Winbind). When 
>>I start the squid service, I get the following message (it repeats 
>>itself many
>>times):
>> 
>>Dec  7 08:48:56 svux8-250 kernel: audit(1102416536.028:0): avc:  
>>denied  { getattr } for  pid=3825 exe=/usr/lib/squid/wb_ntlmauth 
>>path=/var/run/winbindd/pipe dev=hda7 ino=627398 
>>scontext=root:system_r:squid_t tcontext=root:object_r:var_run_t 
>>tclass=sock_file
>>    
>>
>  
>  
>
>>Since I?m new in SELinux, I have no idea how to solve this. Could 
>>someone give some help?
>>    
>>
> 
>  ah.   there's quite a lot involved!
>
>  the first thing is, ideally, to write a separate policy for winbindd,
>  esp. making /var/run/winbindd have its own file context.
>
>  then you can grant wb_ntlmmauth (or squid_t) the right to access
>  /var/run/winbindd/pipe.
>
> ... anyone got any opinions as to whether winbind should be creating a
>socket in /var/run?  is that FHS compliant?
>
> l.
>
>
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