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List:       cifs-protocol
Subject:    [cifs-protocol] Response for format of SMB2 ExtA request in create
From:       Hongwei Sun <hongweis () microsoft ! com>
Date:       2008-06-05 20:52:32
Message-ID: B8A3C6EE027AF84086DD3A049CF34A4A192DE90C4C () NA-EXMSG-C112 ! redmond ! corp ! microsoft ! com
[Download RAW message or body]

Tridge,

   I post the following response to the post:  \
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=3383775&SiteID=1

Response:

For the data buffer format of SMB2_CREATE_BUFFER_EA , please refer to \
FileFullEaInformation defined in   [MS-FSCC] 2.4.15.

There are also several buffer alignment requirements regarding  SMB2 EA context \
command you need to be aware of:


1.       For a SMB2_CREATE_CONTEXT request,   it must be 8-byte aligned.

(already  documented in [MS-SMB2] 2.2.13.2)



2.       Within a SMB2_CREATE_CONTEXT request, DataOffset  must be 8-byte aligned

(already  documented in [MS-SMB2] 2.2.13.2)



3.       For EA lists within SMB2_CREATE_EA_BUFFER context data buffer, \
NextEntryOffset must be 4-byte aligned.

 ([MS-FSCC] 2.4.15 will be updated).

 Please  let  us know if the problem is solved after meeting the alignment \
requirements above.  If not,  please capture network trace so we can do further \
investigation.

 Thanks!

----------------------------------------------------------
Hongwei  Sun - Support Escalation Engineer
DSC Protocol  Team, Microsoft
hongweis@microsoft.com
Tel:  469-7757027 x 57027
-----------------------------------------------------------


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<p class=MsoNormal>Tridge,<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>&nbsp;&nbsp; I post the following response to the post: &nbsp;<a
href="http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=3383775&amp;SiteID=1">http \
://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=3383775&amp;SiteID=1</a><o:p></o:p></p>


<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><b>Response:<o:p></o:p></b></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>For the data buffer format of SMB2_CREATE_BUFFER_EA , please
refer to FileFullEaInformation defined in &nbsp;&nbsp;[MS-FSCC] 2.4.15.&nbsp;
&nbsp;<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>There are also several buffer alignment requirements
regarding&nbsp; SMB2 EA context command you need to be aware of:<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if \
!supportLists]><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New \
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>For a \
SMB2_CREATE_CONTEXT request,&nbsp; &nbsp;it must be 8-byte aligned.<o:p></o:p></p>

<p class=MsoListParagraph>(already&nbsp; documented in [MS-SMB2] \
2.2.13.2)<o:p></o:p></p>

<p class=MsoListParagraph><o:p>&nbsp;</o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if \
!supportLists]><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New \
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>Within a \
SMB2_CREATE_CONTEXT request, DataOffset &nbsp;must be 8-byte aligned \
&nbsp;<o:p></o:p></p>

<p class=MsoListParagraph>(already&nbsp; documented in [MS-SMB2] \
2.2.13.2)<o:p></o:p></p>

<p class=MsoListParagraph><span \
style='background:yellow;mso-highlight:yellow'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if \
!supportLists]><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New \
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>For EA lists \
within SMB2_CREATE_EA_BUFFER context data buffer, NextEntryOffset must be 4-byte \
aligned.&nbsp; <o:p></o:p></p>

<p class=MsoListParagraph>&nbsp;([MS-FSCC] 2.4.15 will be updated).<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><span style='color:#1F497D'>&nbsp;P</span>lease &nbsp;let
&nbsp;us know if the problem is solved after meeting the alignment requirements
above.&nbsp; If not, &nbsp;please capture network trace so we can do further
investigation.&nbsp; <o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>&nbsp;Thanks!<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>----------------------------------------------------------<o:p></o:p></p>


<p class=MsoNormal>Hongwei&nbsp; Sun - Support Escalation Engineer<o:p></o:p></p>

<p class=MsoNormal>DSC Protocol&nbsp; Team, Microsoft<o:p></o:p></p>

<p class=MsoNormal>hongweis@microsoft.com<o:p></o:p></p>

<p class=MsoNormal>Tel:&nbsp; 469-7757027 x 57027<o:p></o:p></p>

<p class=MsoNormal>-----------------------------------------------------------<o:p></o:p></p>


<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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