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Calculate enough space for 2 variables (public key and variable data) instead of directly setting them 1 by 1.

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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
This commit is contained in:
Dong Guo
2014-03-27 10:54:23 +00:00
committed by gdong1
parent 2c775600d5
commit 9a12e5825a
5 changed files with 106 additions and 75 deletions
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30
SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h
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@@ -111,10 +111,6 @@ typedef struct {
typedef struct {
EFI_GUID *Guid;
CHAR16 *Name;
// UINT32 Attributes;
//
// Variable size include variable header, name and data.
//
UINTN VariableSize;
} VARIABLE_ENTRY_CONSISTENCY;
@@ -221,6 +217,32 @@ DataSizeOfVariable (
IN VARIABLE_HEADER *Variable
);
/**
This function is to check if the remaining variable space is enough to set
all Variables from argument list successfully. The purpose of the check
is to keep the consistency of the Variables to be in variable storage.
Note: Variables are assumed to be in same storage.
The set sequence of Variables will be same with the sequence of VariableEntry from argument list,
so follow the argument sequence to check the Variables.
@param[in] Attributes Variable attributes for Variable entries.
@param ... The variable argument list with type VARIABLE_ENTRY_CONSISTENCY *.
A NULL terminates the list. The VariableSize of
VARIABLE_ENTRY_CONSISTENCY is the variable data size as input.
It will be changed to variable total size as output.
@retval TRUE Have enough variable space to set the Variables successfully.
@retval FALSE No enough variable space to set the Variables successfully.
**/
BOOLEAN
EFIAPI
CheckRemainingSpaceForConsistency (
IN UINT32 Attributes,
...
);
/**
Update the variable region with Variable information. If EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS is set,
index of associated public key is needed.