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0c55190f40
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Update SMM variable DXE driver GetNextVariable interface to comply with UEFI spec
VariableNameSize is the returned buffer size. GetNextVariable should behavior correct if it is bigger than SMM communication buffer or less than string size of VariableName.
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by : Dong Guo <guo.dong@intel.com>
Reviewed-by : Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by : Zeng Star <star.zeng@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14258 6f19259b-4bc3-4df7-8a09-765794883524
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2013-04-12 05:59:11 +00:00 |
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3588bb3529
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If DataSize or VariableNameSize is near MAX_ADDRESS, this can cause the computed PayLoadSize to overflow to a small value and pass the check in InitCommunicateBuffer(). To protect against this vulnerability, check DataSize and VariableNameSize to make sure PayloadSize doesn't overflow.
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14252 6f19259b-4bc3-4df7-8a09-765794883524
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2013-04-08 06:56:08 +00:00 |
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aab9212fa9
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Fix the issue that RuntimeServiceQueryVariableInfo() in VariableSmmRuntimeDxe always return EFI_SUCCESS.
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14050 6f19259b-4bc3-4df7-8a09-765794883524
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2013-01-15 06:43:24 +00:00 |
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6ed1ec5946
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Add the TPL raise/restore code for VariableSmmRuntimeDxe to avoid variable services reentry.
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14038 6f19259b-4bc3-4df7-8a09-765794883524
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2013-01-08 02:07:14 +00:00 |
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96277f7402
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Include read data buffer in CommBufferSize when calculate the buffer size.
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13512 6f19259b-4bc3-4df7-8a09-765794883524
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2012-07-09 02:03:47 +00:00 |
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d00ed85e0a
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Puts SMM variable common definitions in SmmVariableCommon.h.
Fixed a bug that SMM_VARIABLE_COMMUNICATE_VARIABLE_INFO_ENTRY was misused as SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11339 6f19259b-4bc3-4df7-8a09-765794883524
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2011-02-28 07:31:45 +00:00 |
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32732a333a
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Update inappropriate comments.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11170 6f19259b-4bc3-4df7-8a09-765794883524
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2010-12-15 01:51:46 +00:00 |
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5c7fa42941
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Add typecast to remove warning with ICC.
VariableSmm.inf: Remove SmmLib
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11156 6f19259b-4bc3-4df7-8a09-765794883524
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2010-12-11 11:17:47 +00:00 |
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8a2d49964e
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Add SMM Variable implementation.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11151 6f19259b-4bc3-4df7-8a09-765794883524
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2010-12-10 09:27:54 +00:00 |
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