diff options
| author | Zhang Lubo <lubo.zhang@intel.com> | 2015-09-11 00:52:31 +0000 |
|---|---|---|
| committer | hwu1225 <hwu1225@Edk2> | 2015-09-11 00:52:31 +0000 |
| commit | 21170d1fba4d45d16ddb03e331da704ec0d44266 (patch) | |
| tree | 123a669d5e85fbc20bca477cb81ceab5d8ba21eb /MdeModulePkg | |
| parent | 130fd7399bcbf13bd386f419fb66dc8f066df212 (diff) | |
| download | edk2-platforms-21170d1fba4d45d16ddb03e331da704ec0d44266.tar.xz | |
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.
(Sync patch r18435 from main trunk.)
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/branches/UDK2015@18440 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c | 4 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c index 4dd7944e6a..72923f1b38 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c @@ -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;
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h index 6e88deae47..ce8d8add3f 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h @@ -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>
|