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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
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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> </o:p></p>
<p class=MsoNormal> I post the following response to the post: <a
href="http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=3383775&SiteID=1">http \
://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=3383775&SiteID=1</a><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><b>Response:<o:p></o:p></b></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>For the data buffer format of SMB2_CREATE_BUFFER_EA , please
refer to FileFullEaInformation defined in [MS-FSCC] 2.4.15.
<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>There are also several buffer alignment requirements
regarding SMB2 EA context command you need to be aware of:<o:p></o:p></p>
<p class=MsoNormal><o:p> </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"'> </span></span><![endif]>For a \
SMB2_CREATE_CONTEXT request, it must be 8-byte aligned.<o:p></o:p></p>
<p class=MsoListParagraph>(already documented in [MS-SMB2] \
2.2.13.2)<o:p></o:p></p>
<p class=MsoListParagraph><o:p> </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"'> </span></span><![endif]>Within a \
SMB2_CREATE_CONTEXT request, DataOffset must be 8-byte aligned \
<o:p></o:p></p>
<p class=MsoListParagraph>(already 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> </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"'> </span></span><![endif]>For EA lists \
within SMB2_CREATE_EA_BUFFER context data buffer, NextEntryOffset must be 4-byte \
aligned. <o:p></o:p></p>
<p class=MsoListParagraph> ([MS-FSCC] 2.4.15 will be updated).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> P</span>lease 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. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal> Thanks!<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>----------------------------------------------------------<o:p></o:p></p>
<p class=MsoNormal>Hongwei Sun - Support Escalation Engineer<o:p></o:p></p>
<p class=MsoNormal>DSC Protocol Team, Microsoft<o:p></o:p></p>
<p class=MsoNormal>hongweis@microsoft.com<o:p></o:p></p>
<p class=MsoNormal>Tel: 469-7757027 x 57027<o:p></o:p></p>
<p class=MsoNormal>-----------------------------------------------------------<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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