Commit Graph

214 Commits

Author SHA1 Message Date
Star Zeng e56e187044 MdeModulePkg Variable: Enhance the code logic about VariableLock
to just return EFI_SUCCESS if the variable has been in the locked list.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17141 6f19259b-4bc3-4df7-8a09-765794883524
2015-04-10 01:53:38 +00:00
Star Zeng 82e47eb22f MdeModulePkg Variable: Keep the behavior of Variable Dxe and SMM drivers consistent
to return EFI_NOT_FOUND when a specified variable doesn't exist and
Data parameter is NULL but DataSize parameter is valid in GetVariable() invocation.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17030 6f19259b-4bc3-4df7-8a09-765794883524
2015-03-09 13:03:42 +00:00
Star Zeng b4e09b0f62 MdeModulePkg: Cleanup gEfiSmmAccess2ProtocolGuid reference.
As the drivers and library do not reference gEfiSmmAccess2ProtocolGuid explicitly now
after SmmMemLib introduced.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16760 6f19259b-4bc3-4df7-8a09-765794883524
2015-02-05 00:59:56 +00:00
Yao, Jiewen 842b1242d1 Use SmmMemLib to check communication buffer.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: "Gao, Liming" <liming.gao@intel.com>
Reviewed-by: "Fan, Jeff" <jeff.fan@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16694 6f19259b-4bc3-4df7-8a09-765794883524
2015-02-02 14:42:22 +00:00
Star Zeng 0fb5e515f2 MdeModulePkg Variable: Introduce PcdReclaimVariableSpaceAtEndOfDxe
for trying to reclaim variable space at EndOfDxe.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16687 6f19259b-4bc3-4df7-8a09-765794883524
2015-02-02 09:30:34 +00:00
Star Zeng 00ab76e0fe MdeModulePkg Variable: Before EndOfDxe, just record the current boot VarErrorFlag to local variable.
And leave the variable error flag in NV flash as the last boot variable error flag.
After EndOfDxe in InitializeVarErrorFlag (), the variable error flag in NV flash
will be initialized to this local current boot variable error flag.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16684 6f19259b-4bc3-4df7-8a09-765794883524
2015-02-02 03:17:27 +00:00
Star Zeng 4edb18663f MdeModulePkg Variable: Implement variable quota management.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16669 6f19259b-4bc3-4df7-8a09-765794883524
2015-01-27 08:42:47 +00:00
Star Zeng efb01a104d MdeModulePkg Variable: Implement VarCheck PROTOCOL
and follow UEFI spec to check UEFI defined variables.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16579 6f19259b-4bc3-4df7-8a09-765794883524
2015-01-05 03:38:36 +00:00
Dong Guo 1fcbeaeacd Remove the FV header assumption in variable driver.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dong Guo <guo.dong@intel.com>
Reviewed-by: Gao Liming <liming.gao@intel.com>
Reviewed-by: Zeng Star <star.zeng@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16564 6f19259b-4bc3-4df7-8a09-765794883524
2014-12-31 01:46:50 +00:00
Star Zeng eb774e2ef5 MdeModulePkg/SecurityPkg VariablePei: Fix VS2013 build failure.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16406 6f19259b-4bc3-4df7-8a09-765794883524
2014-11-19 07:13:35 +00:00
Star Zeng 18a7dbbc02 MdeModulePkg Variable: Add missing warning annotation.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16401 6f19259b-4bc3-4df7-8a09-765794883524
2014-11-19 01:08:23 +00:00
Star Zeng 6ebffb67c8 MdeModulePkg/SecurityPkg Variable: Add boundary check for while (IsValidVariableHeader (Variable)).
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16280 6f19259b-4bc3-4df7-8a09-765794883524
2014-10-31 10:26:54 +00:00
Dong, Guo e7bafeb9a8 MdeModulePkg VariableRuntimeDxe: Bug fix and and refine debug message.
Correct NV variable base address for flash memory attribute set to EFI_MEMORY_RUNTIME.
Refine the debug error message.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dong, Guo <guo.dong@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>
Reviewed-by: Zeng, Star <star.zeng@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16054 6f19259b-4bc3-4df7-8a09-765794883524
2014-09-03 09:16:04 +00:00
Gao, Liming 35c77daed9 MdeModulePkg: Convert non DOS format files to DOS format and remove unused module UNI files.
1. Module UNI and Package UNI files are not DOS format. Convert them to DOS format.
2. Remove unused SectionExtractionDxeModStrs.uni and SectionExtractionPeiModStrs.uni

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gao, Liming <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16044 6f19259b-4bc3-4df7-8a09-765794883524
2014-09-03 08:39:12 +00:00
Zeng, Star fea55a1661 MdeModulePkg: INF/DEC file updates to EDK II packages
2. Add MODULE_UNI_FILE file that contains the localized Abstract and Description of a module.
a. Addresses an information gap between INF files and the UEFI Distribution Packaging Specification XML schema
b. There will be an associated update to UPT in BaseTools to consume MODULE_UNI_FILE and associated UNI file during UDP creation that performs the INF -> XML conversion.
c. There will be an associated update to UPT in BaseTools to produce MODULE_UNI_FILE and associated UNI file during UDP installation that performs the XML -> INF conversion.

3. Add Module Extra UNI file that provides the localized Name of a module.
a. [UserExtensions.TianoCore."ExtraFiles"] provides an easy method for a module to specify extra files not listed in [Sources] or [Binaries] sections to be added to a UDP without having to list the files in the UPT package information data file.
b. There will be an associated update to UPT in BaseTools to package up files listed in [UserExtensions.TianoCore."ExtraFiles"] during UDP creation.
c. UNI file contains localized name of a module to go along with the localized Abstract and Description from the MODULE_UNI_FILE.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zeng, Star <star.zeng@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15963 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-28 06:53:43 +00:00
Zeng, Star 6036e94dc9 MdeModulePkg: INF/DEC file updates to EDK II packages
1. Usage information in INF file comment blocks are either incomplete or incorrect.  
This includes usage information for Protocols/PPIs/GUIDs/PCDs/HOBs/Events/BootModes.  
The syntax for usage information in comment blocks is defined in the EDK II Module Information (INF) Specification

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zeng, Star <star.zeng@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15962 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-28 06:34:06 +00:00
Feng Tian 6e1e540554 1) Add type cast for better coding style.
2) replace StrCpy() usage in Variable driver with StrnCpy().

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15770 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-07 08:54:34 +00:00
Eric Dong 4e1005eca7 Update code to support VS2013 tool chain.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15695 6f19259b-4bc3-4df7-8a09-765794883524
2014-07-28 07:52:57 +00:00
Dong Guo 9a12e5825a Calculate enough space for 2 variables (public key and variable data) instead of directly setting them 1 by 1.
Fixed a bug in public key reclaim().

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dong Guo <guo.dong@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
Reviewed-by: Zeng, Star <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15404 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-27 10:54:23 +00:00
Star Zeng b2bd493edb MdeModulePkg/SecurityPkg Variable: Calculate enough space for PlatformLang and Lang variables and use PcdUefiVariableDefaultLangDeprecate to turn off auto update between PlatformLang and Lang variables.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15388 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-25 06:56:55 +00:00
Star Zeng 9bc5dabb10 MdeModulePkg/SecurityPkg Variable: Return error status to avoid inconsistency between PlatformLang and Lang.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15340 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-20 02:07:48 +00:00
Tian, Hot 4b738c76f5 Fix CRLF format
Signed-off-by: Tian, Hot <hot.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15155 6f19259b-4bc3-4df7-8a09-765794883524
2014-01-22 08:38:50 +00:00
Star Zeng 128ef095b0 MdeModulePkg and SecurityPkg Variable: Optimize the code to reduce some SMRAM consumption during variable reclaiming.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14832 6f19259b-4bc3-4df7-8a09-765794883524
2013-11-12 13:31:43 +00:00
Star Zeng 7baf3c69c5 MdeModulePkg and SecurityPkg Variable: Enhance code to use the new variable data instead of old variable data when variable reclaim.
It can fix the potential failure to return EFI_OUT_OF_RESOURCES of the second variable set of large variable.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14822 6f19259b-4bc3-4df7-8a09-765794883524
2013-11-04 03:13:54 +00:00
Star Zeng 6675a21f14 MdePkg/MdeModulePkg/SecurityPkg Variable: Forbid creation of non-spec variables in EFI_GLOBAL_VARIABLE namespace.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14560 6f19259b-4bc3-4df7-8a09-765794883524
2013-08-19 05:16:45 +00:00
Star Zeng 6e67fec07f MdeModulePkg/SecurityPkg Variable: If a preexisting variable is rewritten with different attributes, SetVariable() shall not modify the variable and shall return EFI_INVALID_PARAMETER.
Two exceptions to this rule:
1. No access attributes specified
2. The only attribute differing is EFI_VARIABLE_APPEND_WRITE

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14552 6f19259b-4bc3-4df7-8a09-765794883524
2013-08-16 03:19:45 +00:00
Star Zeng 2c4b18e095 MdeModulePkg: Add the alignment check for FTW spare area address and length, and add the check for PcdFlashNvStorageVariableSize <= PcdFlashNvStorageFtwSpareSize.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14463 6f19259b-4bc3-4df7-8a09-765794883524
2013-07-11 08:15:47 +00:00
Star Zeng 3e02ebb2bb MdeModulePkg: Variable drivers robustly handle crashes during Reclaim().
PEI variable implementation checks only the variable header signature for validity. This does not seem robust if system crash occurred during previous Reclaim() operation. If the crash occurred while FTW was rewriting the variable FV, the signature could be valid even though the rest of the FV isn't valid.
Solution: Add a FaultTolerantWritePei driver to check and provide the FTW last write status, then PEI variable and early phase(before FTW protocol ready) of DXE variable can check the status and determine if all or partial variable data has been backed up in spare block, and then use the backed up data.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14454 6f19259b-4bc3-4df7-8a09-765794883524
2013-07-03 09:08:40 +00:00
Laszlo Ersek 328e5d8c19 The list of locked variables is traversed at runtime, hence we must
convert the list when transferring from physical to virtual mode.

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14425 6f19259b-4bc3-4df7-8a09-765794883524
2013-06-17 02:30:42 +00:00
Ruiyu Ni e4b7e2c94f Revert the changes made in 14403 because it incorrectly changed the EOL.
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14424 6f19259b-4bc3-4df7-8a09-765794883524
2013-06-17 02:18:58 +00:00
Laszlo Ersek 9199cb9c02 The list of locked variables is traversed at runtime, hence we must
convert the list when transferring from physical to virtual mode.

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14403 6f19259b-4bc3-4df7-8a09-765794883524
2013-06-14 01:55:12 +00:00
lzeng14 164a9b6752 Fix the TOCTOU issue of CommBufferSize itself for SMM communicate handler input.
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@14379 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-21 02:22:02 +00:00
niruiyu 51547bb879 Remove the complex buffer since the _LOCK_VARIABLE won't be allowed after leaving DXE phase.
Add the variable name size check in the RequestToLock wrapper.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14377 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-20 07:04:56 +00:00
niruiyu ff8438477f Add EDKII_VARIABLE_LOCK_PROTOCOL and the implementation in MdeModulePkg variable drivers.
Add code in BdsDxe driver to call the protocol to mark the read-only variables defined in the UEFI Spec.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14372 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-17 03:49:35 +00:00
lzeng14 5e5bb2a9ba 1. Fix TOCTOU issue in VariableSmm, FtwSmm, FpdtSmm, SmmCorePerformance SMM handler. For VariableSmm, pre-allocate a mVariableBufferPayload buffer with mVariableBufferPayloadSize(match with mVariableBufferPayloadSize in VariableSmmRuntimeDxe) to hold communicate buffer payload to avoid TOCTOU issue.
2. Add check to ensure CommBufferPayloadSize not exceed mVariableBufferPayloadSize or is enough to hold function structure in VariableSmm and FtwSmm.
3. Align FtwGetLastWrite() in FaultTolerantWriteSmmDxe.c to FtwGetLastWrite() in FaultTolerantWrite.c.

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@14325 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-07 05:38:32 +00:00
lzeng14 9d00d20ed4 1. Use the check IsAddressValid() to prevent SMM communication buffer overflow in SmmVariable, FtwSmm, FpdtSmm, SmmCorePerformance and SmmBaseHelper, and add check to prevent InfoSize overflows in SmmVariableHandler.
2. Refine the debug message.
3. Add check to make sure the input VariableName is A Null-terminated string.
4. Use local variable to hold StrSize (VariableName) to avoid duplicated StrSize calculation.

Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14317 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-25 10:49:45 +00:00
czhang46 56251c669f Fix potential overflow for SetVariable interface
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by  : Guo Dong   <dong.guo@intel.com>
Reviewed-by  : Siyuan Fu  <siyuan.fu@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14305 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-22 08:52:58 +00:00
czhang46 d17c4eac56 Fix a potential SMM memory dump issue. If pass communication buffer with DataBuffer to SMM SetVariable which is big enough to cover SMM range. Then GetVariable can dump SMM memory contents. Add more range check for SetVariable
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by  : Dong Guo   <guo.dong@intel.com>
Reviewed-by  : Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14292 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-19 01:35:02 +00:00
czhang46 3a146f2a7d Fix SMM Variable driver stack GetVariable return INVALID_PARAMETER when DataSize is bigger than SMM communication buffer.
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>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14276 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-15 01:56:31 +00:00
czhang46 0c55190f40 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
2013-04-12 05:59:11 +00:00
lzeng14 3588bb3529 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
2013-04-08 06:56:08 +00:00
lzeng14 932e0f6628 Variables with state VAR_ADDED&VAR_IN_DELETED_TRANSITION should be considered as valid variables if there is no duplicated ones with VAR_ADDED state.
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@14085 6f19259b-4bc3-4df7-8a09-765794883524
2013-01-25 06:17:43 +00:00
lzeng14 0cc565deac Add NULL pointer check.
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14084 6f19259b-4bc3-4df7-8a09-765794883524
2013-01-25 04:48:41 +00:00
lzeng14 23b0693579 1. Update the logic of UpdateVariable() for updating variable from:
set old variable to IN_DELETED_TRANSITION -> check if reclaim is needed(If yes, do reclaim) -> add new variable -> set old variable to DELETED if no reclaim happened.
to:
set old variable to IN_DELETED_TRANSITION -> check if reclaim is needed(If yes, do reclaim) -> add new variable -> set old variable to DELETED.
2. Update UpdateVariable() to correctly handle the case "both ADDED and IN_DELETED_TRANSITION variable are present", and delete both old ADDED and IN_DELETED_TRANSITION variable when deleting or updating variable.
3. Update VariableServiceGetNextVariableName() to return the valid IN_DELETED_TRANSITION variable if only IN_DELETED_TRANSITION variable is present.

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@14065 6f19259b-4bc3-4df7-8a09-765794883524
2013-01-18 01:12:32 +00:00
lzeng14 aab9212fa9 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
2013-01-15 06:43:24 +00:00
lzeng14 6ed1ec5946 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
2013-01-08 02:07:14 +00:00
lzeng14 335e268133 1. Don't assume that flush the HOB variable to flash must be successful.
2. When no DELETED variable found, no variable space could be reclaimed, so just give some debug info and return EFI_SUCCESS.

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@14029 6f19259b-4bc3-4df7-8a09-765794883524
2013-01-04 12:21:59 +00:00
lzeng14 3f5c168fa8 Use SMM_VARIABLE_COMMUNICATE_HEADER_SIZE instead of OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data).
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ting Ye <ting.ye@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13993 6f19259b-4bc3-4df7-8a09-765794883524
2012-12-12 14:12:49 +00:00
erictian a326830d70 MdeModulePkg: eliminate all implicit library dependencies for all modules in MdeModulePkg on PcdLib
Signed-off-by: Tian Feng <feng.tian@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13909 6f19259b-4bc3-4df7-8a09-765794883524
2012-11-01 06:59:25 +00:00
erictian d294b9a4b7 MdeModulePkg/VariableSmm: Fix a VariableSmm bug when reading variable with size 0.
Signed-off-by: Tian, Feng <feng.tian@intel.com>
Reviewed-by: Zhang, Chao <chao.b.zhang@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13725 6f19259b-4bc3-4df7-8a09-765794883524
2012-09-12 08:24:10 +00:00