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On 06/11/2012 01:06 PM, chritallic wrote:
> Does nobody have a suggestion? I still cannot get the ntfs files to have a
> proper context.
>
Open a bugzilla on this issue. I think this might be a bug in either the
mount command or in the kernel.
> On 10.06.2012 15:27, chritallic wrote:
>> Hey there,
>>
>> I have a problem with an ntfs partition and it’s selinux context.
>>
>> First of all I use the ntfs partition to store all my data. This includes
>> openvpn secrets. But as the ntfs gets a system_u:object_r:fusefs_t:s0
>> context, selinux prevents openvpn from opening the certificate.
>>
>>> type=AVC msg=audit(1339236971.22:90): avc: denied { read } for
>>> pid=1689 comm="openvpn" name="mycert.crt" dev="sda5" ino=1729
>>> scontext=system_u:system_r:openvpn_t:s0
>>> tcontext=system_u:object_r:fusefs_t:s0 tclass=file
>>
>> Now, instead of allowing every single app to access fusefs_t, I’d rather
>> like to give the files the right context. Changing the context, however,
>> doesn’t seem to be possible on ntfs:
>>
>>> $ chcon -t "default_t" /data chcon: failed to change context of `/data'
>>> to `system_u:object_r:default_t:s0': Operation not supported
>>
>> I then tried to mount the partition using the context option. But that
>> did work either:
>>
>>> $ mount -o context="system_u:object_r:user_home_t:s0" /dev/sda5 /data
>>> ntfs-3g-mount: mount failed: Invalid argument $ mount -o
>>> context="system_u:object_r:user_home_t:s0",default /dev/sda5 /data
>>> ntfs-3g-mount: mount failed: Invalid argument
>>
>> Oddly enough, another user reported this syntax to work in the thread
>> “[OT] how to share a directory under ntfs mount point with selinux
>> enabled?“:
>>
>>> OK. Walking through other documents I found that the "correct" syntax
>>> is with a ":s0" at the end of the option, and also add defaults at the
>>> end, like:
>>>
>>> context=system_u:object_r:samba_share_t:s0,defaults
>>>
>>> This way I can correctly mount a share against a directory under the
>>> ntfs tree
>>
>> Does anybody now how to mount the partition correctly? Or even better: is
>> there a possibility to set the context of ntfs files?
>>
>> Thanks, chritallic
>>
>> PS: I’m new to selinux, so my apologies if there is something really dumb
>> in here. ;-)
>>
>
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