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authorQiu Shumin <shumin.qiu@intel.com>2015-07-01 08:28:13 +0000
committershenshushi <shenshushi@Edk2>2015-07-01 08:28:13 +0000
commit3860b1a2328a7562923c522e8eeef9f714e92370 (patch)
treef56511f5cdce9c4c213750259e943f1bd9960aee /MdeModulePkg
parente85e284e25f09c222fc838e6b298a91268f0b3ec (diff)
downloadedk2-platforms-3860b1a2328a7562923c522e8eeef9f714e92370.tar.xz
MdeModulePkg/Universal/PlatformDriOverrideDxe: Use safe string functions to refine code.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Qiu Shumin <shumin.qiu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17787 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
-rw-r--r--MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c b/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c
index 7027e9697e..1274d6720d 100644
--- a/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c
+++ b/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c
@@ -333,6 +333,7 @@ UpdateDeviceSelectPage (
EFI_STATUS Status;
UINTN Index;
UINTN DevicePathHandleCount;
+ UINTN NewStrSize;
CHAR16 *NewString;
EFI_STRING_ID NewStringToken;
CHAR16 *ControllerName;
@@ -489,14 +490,15 @@ UpdateDeviceSelectPage (
// Export the driver name string and create item in set options page
//
Len = StrSize (ControllerName);
- NewString = AllocateZeroPool (Len + StrSize (L"--"));
+ NewStrSize = Len + StrSize (L"--");
+ NewString = AllocateZeroPool (NewStrSize);
ASSERT (NewString != NULL);
if (EFI_ERROR (CheckMapping (ControllerDevicePath,NULL, &mMappingDataBase, NULL, NULL))) {
- StrCat (NewString, L"--");
+ StrCatS (NewString, NewStrSize/sizeof(CHAR16), L"--");
} else {
- StrCat (NewString, L"**");
+ StrCatS (NewString, NewStrSize/sizeof(CHAR16), L"**");
}
- StrCat (NewString, ControllerName);
+ StrCatS (NewString, NewStrSize/sizeof(CHAR16), ControllerName);
NewStringToken = HiiSetString (Private->RegisteredHandle, mControllerToken[Index], NewString, NULL);
ASSERT (NewStringToken != 0);
@@ -622,6 +624,7 @@ UpdateBindingDriverSelectPage (
{
EFI_STATUS Status;
UINTN Index;
+ UINTN NewStrSize;
CHAR16 *NewString;
EFI_STRING_ID NewStringToken;
EFI_STRING_ID NewStringHelpToken;
@@ -814,7 +817,8 @@ UpdateBindingDriverSelectPage (
//
// First create the driver image name
//
- NewString = AllocateZeroPool (StrSize (DriverName));
+ NewStrSize = StrSize (DriverName);
+ NewString = AllocateZeroPool (NewStrSize);
ASSERT (NewString != NULL);
if (EFI_ERROR (CheckMapping (mControllerDevicePathProtocol[mSelectedCtrIndex], LoadedImageDevicePath, &mMappingDataBase, NULL, NULL))) {
mDriSelection[Index] = FALSE;
@@ -822,7 +826,7 @@ UpdateBindingDriverSelectPage (
mDriSelection[Index] = TRUE;
mLastSavedDriverImageNum++;
}
- StrCat (NewString, DriverName);
+ StrCatS (NewString, NewStrSize/sizeof(CHAR16), DriverName);
NewStringToken = HiiSetString (Private->RegisteredHandle, mDriverImageToken[Index], NewString, NULL);
ASSERT (NewStringToken != 0);
mDriverImageToken[Index] = NewStringToken;
@@ -836,9 +840,10 @@ UpdateBindingDriverSelectPage (
//
DriverName = DevicePathToStr (LoadedImageDevicePath);
- NewString = AllocateZeroPool (StrSize (DriverName));
+ NewStrSize = StrSize (DriverName);
+ NewString = AllocateZeroPool (NewStrSize);
ASSERT (NewString != NULL);
- StrCat (NewString, DriverName);
+ StrCatS (NewString, NewStrSize/sizeof(CHAR16), DriverName);
NewStringHelpToken = HiiSetString (Private->RegisteredHandle, DriverImageFilePathToken[Index], NewString, NULL);
ASSERT (NewStringHelpToken != 0);
DriverImageFilePathToken[Index] = NewStringHelpToken;