[Samba] Meaning of user.DOSATTRIB

[L.P.H. van Belle]

what the 65char string is, that i dont know. 
it has to do with below and the creation time which was added as of samba 3.5 
but thats all i know. 

This is more a dev question.. i know much but not all.. 

Greetz, 

Louis


>-----Oorspronkelijk bericht-----
>Van: samba [mailto:samba-bounces at lists.samba.org] Namens Mark Foley
>Verzonden: woensdag 26 augustus 2015 16:22
>Aan: samba at lists.samba.org
>Onderwerp: Re: [Samba] Meaning of user.DOSATTRIB
>
>OK, thanks, I've seen such an attribute correlation list 
>elsewhere. So what does
>the 65 character string mean?
>
>user.DOSATTRIB=0sMHgyMAAAAwADAAAAEQAAACAAAAAAAAAAAAAAAAAAAAAAAA
>AAAAAAAPnD7jBHStABAAAAAAAAAAA=
>
>Obviously this isn't a bunch of 0x1's and 0x2s bit fields (or 
>are they?). 
>
>These attributes are from a file on the Redirected Folders 
>directory hosted on
>the Samba4 AD/DC. I believe the attributes are created by the 
>Windows client
>when files are created/modified (though I'm not sure about 
>that). On the other
>hand, I've only come across the bit-field documentation on the 
>web, so maybe
>these series of letters are a Samba thing.
>
>What I'm looking to do is understand what they mean, if anything.
>
>btw - the files for this user seem to have mostly the same 
>attribute value
>character sequence except it changes way down at the end where 
>in this example
>you have "PnD7jBHStAB". Don't know if that's meaningful.
>
>Note also that doing getfattr from Linux on files from a 
>mounted Windows C:
>drive I get nothing at all, even on %USERNAME%\Application 
>Data, which I would
>think should have either 0x2 or 0x4.  So maybe these 
>Redirected Folder file
>DOSATTRIBs are a Samba thing?
>
>--Mark
>
>-----Original Message-----
>> From: "L.P.H. van Belle" <belle at bazuin.nl>
>> To: "samba at lists.samba.org" <samba at lists.samba.org>
>> Date: Wed, 26 Aug 2015 09:07:06 +0200
>> Subject: Re: [Samba] Meaning of user.DOSATTRIB
>>
>> Hai, 
>>
>> This is al about samba ea ( extended attibutes ) support. 
>>
>> Samba can map attibutes in two ways:
>> Mapping DOS file attributes to UNIX permissions
>> Storing the DOS attributes in extended file attributes
>>
>> The user.DOSATTRIB extended attribute contains a bit field 
>indicating the state of each DOS attribute:
>> Read-Only = 0x1
>> Hidden    = 0x2
>> System    = 0x4
>> Archive   = 0x20
>>
>> and in smb.conf related (below is enableing ea support) 
>> ea support = yes
>> map hidden = no
>> map system = no
>> map archive = no
>> map readonly = no
>> store dos attributes = yes
>>
>> and if you use mac osx also, 
>> also add. 
>> vfs objects = streams_xattr
>> oplocks = no
>>
>> and you can do something like: 
>> setfattr -n user.DOSATTRIB -v '"0x6"' desktop.ini
>> Note the escaping of the quotes in the value; 
>> This is needed to force the extended attribute to contain a 
>string instead of an integer.
>>
>> (0x6 = hidden  + System ) 
>>
>> and correct me if im wrong here. 
>>
>>
>> Greetz, 
>>
>> Louis
>>
>>
>> >-----Oorspronkelijk bericht-----
>> >Van: samba [mailto:samba-bounces at lists.samba.org] Namens Mark Foley
>> >Verzonden: woensdag 26 augustus 2015 07:55
>> >Aan: samba at lists.samba.org
>> >Onderwerp: [Samba] Meaning of user.DOSATTRIB
>> >
>> >I have the following attributes for a typical file on my 
>> >redirected folders
>> >residing on my Samba4 AD/DC:
>> >
>> >$ getfattr -d "Newletters/Newsletter 2013-09.docx"
>> ># file: Newletters/Newsletter 2013-09.docx
>> >user.DOSATTRIB=0sMHgyMAAAAwADAAAAEQAAACAAAAAAAAAAAAAAAAAAAAAAAA
>> >AAAAAAAPnD7jBHStABAAAAAAAAAAA=
>> >
>> >What do these characters mean? I'm searching for a particular 
>> >attribute. I have
>> >found nothing searching the web or samba wiki.
>> >
>> >(btw - I see that Marco De Vitis asked a similar question on 
>> >the list back in
>> >2007, but I've seen no response.)
>> >
>> >--Mark
>> >
>> >-- 
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>> >
>> >
>>
>>
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