From: Daniel J Walsh <dwalsh@redhat.com>
To: Sam Gandhi <samgandhi9@gmail.com>
Cc: selinux@tycho.nsa.gov
Subject: Re: Is it possible to assign different labels to symbolic links and actual files?
Date: Wed, 25 May 2011 07:58:57 -0400 [thread overview]
Message-ID: <4DDCEF01.7050102@redhat.com> (raw)
In-Reply-To: <BANLkTi=eLtqov9i0pXpXJkwNK74cc4mUAw@mail.gmail.com>
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On 05/24/2011 05:46 PM, Sam Gandhi wrote:
> On Tue, May 24, 2011 at 2:07 PM, Daniel J Walsh <dwalsh@redhat.com> wrote:
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>> On 05/24/2011 04:46 PM, Sam Gandhi wrote:
>>> Hello,
>>>
>>> I am working on a embedded platform and we have busybox on this device.
>>>
>>> What we would like to do do is assign diffrent labels to various
>>> busybox links. What we have seen when running things on JFFS2 when I
>>> label a symbolic link, the actual file gets the label, but the link
>>> itself doesn't (according to ls -lZ output). We have seen similar
>>> behaviour with files on tmpfs as well.
>>>
>>> ls -lZ
>>> -rw-r--r-- 1 0 Jan 1 00:12 system_u:object_r:myfile_t X
>>> lrwxrwxrwx 1 1 Jan 1 00:13 user_u:object_r:tmpfs_t Y -> X
>>>
>>> Is there no way to assign different label to symlink and actual files?
>>> Is this file-system specific issue? Are there any file-system that
>>> support assigning seperate labels to symlink and actual file?
>>>
>>> -Sam
>>>
>>> --
>
>>>
>>>
>> Yes you can label symbolic links differently then their targets, how are
>> you assiging the labels?
>>
>
> I am using setfilecon program found in package
> On tmpfs file I did :
>
> cd /tmp/
> touch X
> ln -s X Y
> setfilecon system_u:object_r:myfile_t Y
>
> And I see ls -lZ output as I shown above which shows /tmp/X has the
> myfile_t label and not Y
>
> I can't really use tools like semanage 'cause I can't install python
> on this system. I will try to "reverse" engineer what semanage does
> and how it handles symlink v/s regular files.
>
> -Sam
Use chcon instead of setfilecon
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next prev parent reply other threads:[~2011-05-25 11:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-24 20:46 Is it possible to assign different labels to symbolic links and actual files? Sam Gandhi
2011-05-24 21:07 ` Daniel J Walsh
2011-05-24 21:46 ` Sam Gandhi
2011-05-25 11:58 ` Daniel J Walsh [this message]
2011-05-25 12:15 ` Russell Coker
2011-05-25 12:41 ` Stephen Smalley
2011-05-24 21:15 ` Dominick Grift
2011-05-24 21:21 ` Guido Trentalancia
2011-05-24 22:53 ` Russell Coker
2011-05-25 2:27 ` Sam Gandhi
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