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MdeModulePkg: PXE Driver's LoadFile protocol should check FilePath 

PXE driver's LoadFile protocol should check the input parameter
FilePath to see whether it's a supported device path.If not,
it should return invalid parameter, do not continue PXE boot.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18435 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Zhang Lubo 2015-09-10 09:46:59 +00:00 committed by luobozhang
parent d658727b50
commit 6758032da9
2 changed files with 5 additions and 0 deletions
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4
MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
View File

@ -2776,6 +2776,10 @@ EfiPxeLoadFile (
UINT64 TmpBufSize;
BOOLEAN MediaPresent;
if (FilePath == NULL || !IsDevicePathEnd (FilePath)) {
return EFI_INVALID_PARAMETER;
}
Private = PXEBC_PRIVATE_DATA_FROM_LOADFILE (This);
PxeBc = &Private->PxeBc;
NewMakeCallback = FALSE;

1
MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h
View File

@ -33,6 +33,7 @@ typedef struct _PXEBC_PRIVATE_DATA PXEBC_PRIVATE_DATA;
#include <Protocol/Ip4Config2.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiDriverEntryPoint.h>