[cifs-protocol] [REG:110051073884304] RE: About GPMC and ACLs
Hongwei Sun
hongweis at microsoft.com
Sat Jun 19 22:25:20 MDT 2010
Matthieu,
I will be on vacation from Wednesday (06/22) until July 22. We can either archive it until I come back or I can transfer the case to one of my teammate. Please let me know what you prefer.
Thanks!
Hongwei
-----Original Message-----
From: Matthieu Patou [mailto:mat at samba.org]
Sent: Saturday, June 19, 2010 3:48 PM
To: Hongwei Sun
Cc: pfif at tridgell.net; cifs-protocol at samba.org; MSSolve Case Email
Subject: Re: [REG:110051073884304] RE: About GPMC and ACLs
Hi Hongwei,
Sorry didn't had the time on this, next week didn't seems the good one either, can you reping me at next monday (28th) ?
Regards.
Matthieu.
On 19/06/2010 03:59, Hongwei Sun wrote:
> Matthieu,
>
> Do you have any update for this topic ? If you don't have time to look at this issue, I may archive this case and we may visit it again after I come back from my vocation in July. I am leaving after next Tuesday. If you prefer, I can also transfer this case to one of my team member to continue the investigation.
>
> Thanks!
>
> Hongwei
>
>
> -----Original Message-----
> From: Hongwei Sun
> Sent: Thursday, June 10, 2010 6:05 PM
> To: 'mat at samba.org'; pfif at tridgell.net; cifs-protocol at samba.org
> Cc: MSSolve Case Email
> Subject: RE: [REG:110051073884304] RE: About GPMC and ACLs
>
> Hi, Matthieu,
>
> I have downloaded the GPMC with SP1 from the following link http://www.microsoft.com/downloads/details.aspx?FamilyID=0a6d4c24-8cbd-4b35-9272-dd3cbfc81887&DisplayLang=en and installed it on a XP machine. I ran the same testing by opening a GPO on a Windows 2008 DC from GPMC in XP. The attached network trace shows that the tool never queried the security descriptor of the main policy folder. I cannot find the query in code either. Could you verify if you are using the same GPMC download as I used ? And it will be good if you can run GPMC against a Windows DC to see if you can see the same behavior.
>
> Please let me know.
>
> Thanks!
>
> Hongwei
>
>
> -----Original Message-----
> From: Matthieu Patou [mailto:mat at samba.org]
> Sent: Wednesday, June 02, 2010 3:35 AM
> To: Hongwei Sun; pfif at tridgell.net; cifs-protocol at samba.org
> Cc: MSSolve Case Email
> Subject: Re: [REG:110051073884304] RE: About GPMC and ACLs
>
> Hello hongwei,
>
> It's downloaded from internet as the one which comes with the administration pack is "limited".
>
> Version seems to be 1.0.2 (from GPMC.msc then help then about group policy management).
>
> Matthieu.
> On 02/06/2010 02:59, Hongwei Sun wrote:
>
>> Matthieu,
>>
>> Any update ?
>>
>> Thanks!
>>
>> Hongwei
>>
>> -----Original Message-----
>> From: Hongwei Sun
>> Sent: Wednesday, May 26, 2010 6:01 PM
>> To: 'Matthieu Patou'
>> Cc: MSSolve Case Email
>> Subject: RE: [REG:110051073884304] RE: About GPMC and ACLs
>>
>> Matthieu,
>>
>> I spent some time to investigate the behavior you reported. I created multiple Windows DCs (Windows 2008 and Windows 2008 R2) and used GPMC to open policies on remote DCs. From the network captures , I don't see any SMB packet for querying the SecurityDescriptor of {Domain}\Policy folder. It only checks the individual policy folder. As I understand , Window XP doesn't include GPMC tool by default and user has to install it. Which version of the GPMC tool are you using ? Could you find the version number from the "Help" menu ?
>>
>> Also could you run GPMC from a Windows 2008 or Windows 2008 R2 machine to see if there is any difference ?
>>
>> Thanks!
>>
>> Hongwei
>>
>>
>> -----Original Message-----
>> From: Matthieu Patou [mailto:mat+Informatique.Samba at matws.net]
>> Sent: Saturday, May 15, 2010 5:11 AM
>> To: Hongwei Sun
>> Cc: MSSolve Case Email
>> Subject: Re: [REG:110051073884304] RE: About GPMC and ACLs
>>
>> On 15/05/2010 07:19, Hongwei Sun wrote:
>>
>>
>>> Matthieu,
>>>
>>> It takes a while to get back to normal after travel headache on my way back to U.S. I spent some time to double check again the logic used for checking DS/FS ACL consistency. I still didn't see the SD of the SYSVOL\policies folder is checked explicitly in the logic. Only the SYSVOL\Policies\ {GUID} is queried explicitly and used in the logic. I suspect that it is queried for some other reason. I will have to set up the environment to repro the SMB traffic and debug further. What OS do you use for the testing in the trace ?
>>>
>>>
>>>
>>>
>> It was Windows XP SP2.
>> Did you see in the trace that there is somehow a smb call to get the
>> NTACLS of<domain>\Policies ?
>> Also I'm not sure it's present in this trace but I had one (lost
>> because stored in /tmp) when I hit "OK please correct the rotten acls"
>> that showed that GPMC was trying to set several ACLs on the GPO
>> folder (rather different one from the previous one).
>>
>> Matthieu.
>>
>>
>>> Thanks!
>>>
>>> Hongwei
>>>
>>> -----Original Message-----
>>> From: Matthieu Patou [mailto:mat+Informatique.Samba at matws.net]
>>> Sent: Thursday, May 06, 2010 5:09 PM
>>> To: Hongwei Sun
>>> Subject: About GPMC and ACLs
>>>
>>> Hongwei,
>>>
>>> Here is the capture,
>>>
>>> The most interesting is from packet 873, when I retry to click on a newly created GPO.
>>> At packet 1025 I receive the message that there is a mismatch and I click ok to get it fixed.
>>>
>>> The capture ends when the data flow stop.
>>>
>>> As I told you, at packet 1101 and packet 1119 you can see that windows tries to put two differents ACL (at least != number of ACEs but there is one on S-1-3-0 also).
>>>
>>> We can see in the capture that around the moment that GPMC is checking the DS/FS acl consistency that it also have a look at the<domain>\Policies folder.
>>>
>>> Regards.
>>>
>>> Matthieu.
>>>
>>>
>>>
>>
>>
>
> --
> Matthieu Patou
> Samba Team http://samba.org
>
>
>
--
Matthieu Patou
Samba Team http://samba.org
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