F7: SELinux feature or bug?

[Jeroen Lankheet]

Jonathan Dieter wrote:
> On Sun, 2007-07-08 at 14:51 +0200, Jeroen Lankheet wrote:
>   
>> Hi all,
>>
>> I think I've been stupid or framed or both. I wanted to samba share a 
>> USB disk on a F7 system but got an SELinux message saying that the 
>> directory could not be shared, and that there was a command to get it 
>> right (=wrong?).
>> So I typed in
>>
>> chcon -t samba_share_t -R /
>>
>> Yes, that's what was in the SElinux message thingie as suggestion. And 
>> being a total SELinux nitwit I did what the almighty Linux system adviced.
>> So it took a while before getting "operation not permitted" on /dev/....
>> Then I cancelled the operation but the damage has apparently already 
>> been made.
>> I retyped the command with the proper directory to share and now the 
>> share worked.
>> But when I restarted the system all kinds of services were broken 
>> including /dev/eth0.
>> The kernel could not find the eth0 device. The X configuration was gone 
>> and all kinds of errors were smashed into my face.
>> So it looks like the SELinux (or me myself?) has scrambled my harddisk. 
>> I cannot even login anymore. The system is completely dead.
>> Some 'simple' questions:
>> Why did this go wrong?
>> What actually did go wrong?
>> What to do next? Re-install? That would be a bummer.
>>
>> Thanks for the help.
>>
>> Regards,
>> Jeroen.
>>
>>     
> It looks like you set the SELinux context for the *whole* hard drive,
> rather than the directory that you wanted to share.  The easiest way to
> get it working again would be to append "selinux=0" in GRUB when you
> boot the computer.
>
> You'll have to ask some of the SELinux experts here how to reset the
> contexts to what they're supposed to be.
>
> Jonathan
>   
Thanks Jonathan,

I already restored the default policies on all files. But that did not 
the trick. With disabling selinux I can actually login again.
Now what to do with the selinux, reinstall selinux? Anyone?

Regards,
Jeroen.