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-rw-r--r--ShellPkg/Library/UefiShellLib/UefiShellLib.c78
1 files changed, 40 insertions, 38 deletions
diff --git a/ShellPkg/Library/UefiShellLib/UefiShellLib.c b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
index ad8e80ea83..819c9f03ac 100644
--- a/ShellPkg/Library/UefiShellLib/UefiShellLib.c
+++ b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
@@ -1430,27 +1430,31 @@ InternalShellConvertFileListType (
//
// allocate new space to copy strings and structure
//
- NewInfo->FullName = AllocateZeroPool(StrSize(OldInfo->FullName));
- NewInfo->FileName = AllocateZeroPool(StrSize(OldInfo->FileName));
- NewInfo->Info = AllocateZeroPool((UINTN)OldInfo->Info->Size);
+ NewInfo->FullName = AllocateCopyPool(StrSize(OldInfo->FullName), OldInfo->FullName);
+ NewInfo->FileName = AllocateCopyPool(StrSize(OldInfo->FileName), OldInfo->FileName);
+ NewInfo->Info = AllocateCopyPool((UINTN)OldInfo->Info->Size, OldInfo->Info);
//
// make sure all the memory allocations were sucessful
//
if (NULL == NewInfo->FullName || NewInfo->FileName == NULL || NewInfo->Info == NULL) {
+ //
+ // Free the partially allocated new node
+ //
+ SHELL_FREE_NON_NULL(NewInfo->FullName);
+ SHELL_FREE_NON_NULL(NewInfo->FileName);
+ SHELL_FREE_NON_NULL(NewInfo->Info);
+ SHELL_FREE_NON_NULL(NewInfo);
+
+ //
+ // Free the previously converted stuff
+ //
ShellCloseFileMetaArg((EFI_SHELL_FILE_INFO**)(&ListHead));
ListHead = NULL;
break;
}
//
- // Copt the strings and structure
- //
- StrCpy(NewInfo->FullName, OldInfo->FullName);
- StrCpy(NewInfo->FileName, OldInfo->FileName);
- gBS->CopyMem (NewInfo->Info, OldInfo->Info, (UINTN)OldInfo->Info->Size);
-
- //
// add that to the list
//
InsertTailList(ListHead, &NewInfo->Link);
@@ -1671,8 +1675,8 @@ ShellFindFilePath (
if (TestPath == NULL) {
return (NULL);
}
- StrCpy(TestPath, Path);
- StrCat(TestPath, FileName);
+ StrnCpy(TestPath, Path, Size/sizeof(CHAR16) - 1);
+ StrnCat(TestPath, FileName, Size/sizeof(CHAR16) - 1 - StrLen(TestPath));
Status = ShellOpenFileByName(TestPath, &Handle, EFI_FILE_MODE_READ, 0);
if (!EFI_ERROR(Status)){
if (FileHandleIsDirectory(Handle) != EFI_SUCCESS) {
@@ -1704,12 +1708,12 @@ ShellFindFilePath (
*TempChar = CHAR_NULL;
}
if (TestPath[StrLen(TestPath)-1] != L'\\') {
- StrCat(TestPath, L"\\");
+ StrnCat(TestPath, L"\\", Size/sizeof(CHAR16) - 1 - StrLen(TestPath));
}
if (FileName[0] == L'\\') {
FileName++;
}
- StrCat(TestPath, FileName);
+ StrnCat(TestPath, FileName, Size/sizeof(CHAR16) - 1 - StrLen(TestPath));
if (StrStr(Walker, L";") != NULL) {
Walker = StrStr(Walker, L";") + 1;
} else {
@@ -1778,9 +1782,9 @@ ShellFindFilePathEx (
return (NULL);
}
for (ExtensionWalker = FileExtension, TempChar2 = (CHAR16*)FileExtension; TempChar2 != NULL ; ExtensionWalker = TempChar2 + 1){
- StrCpy(TestPath, FileName);
+ StrnCpy(TestPath, FileName, Size/sizeof(CHAR16) - 1);
if (ExtensionWalker != NULL) {
- StrCat(TestPath, ExtensionWalker);
+ StrnCat(TestPath, ExtensionWalker, Size/sizeof(CHAR16) - 1 - StrLen(TestPath));
}
TempChar = StrStr(TestPath, L";");
if (TempChar != NULL) {
@@ -1963,6 +1967,7 @@ InternalCommandLineParse (
UINTN ValueSize;
UINTN Count;
CONST CHAR16 *TempPointer;
+ UINTN CurrentValueSize;
CurrentItemPackage = NULL;
GetItemValue = 0;
@@ -2018,13 +2023,12 @@ InternalCommandLineParse (
*CheckPackage = NULL;
return (EFI_OUT_OF_RESOURCES);
}
- CurrentItemPackage->Name = AllocateZeroPool(StrSize(Argv[LoopCounter]));
+ CurrentItemPackage->Name = AllocateCopyPool(StrSize(Argv[LoopCounter]), Argv[LoopCounter]);
if (CurrentItemPackage->Name == NULL) {
ShellCommandLineFreeVarList(*CheckPackage);
*CheckPackage = NULL;
return (EFI_OUT_OF_RESOURCES);
}
- StrCpy(CurrentItemPackage->Name, Argv[LoopCounter]);
CurrentItemPackage->Type = CurrentItemType;
CurrentItemPackage->OriginalPosition = (UINTN)(-1);
CurrentItemPackage->Value = NULL;
@@ -2062,30 +2066,32 @@ InternalCommandLineParse (
// get the item VALUE for a previous flag
//
if (StrStr(Argv[LoopCounter], L" ") == NULL) {
- CurrentItemPackage->Value = ReallocatePool(ValueSize, ValueSize + StrSize(Argv[LoopCounter]) + sizeof(CHAR16), CurrentItemPackage->Value);
+ CurrentValueSize = ValueSize + StrSize(Argv[LoopCounter]) + sizeof(CHAR16);
+ CurrentItemPackage->Value = ReallocatePool(ValueSize, CurrentValueSize, CurrentItemPackage->Value);
ASSERT(CurrentItemPackage->Value != NULL);
if (ValueSize == 0) {
- StrCpy(CurrentItemPackage->Value, Argv[LoopCounter]);
+ StrnCpy(CurrentItemPackage->Value, Argv[LoopCounter], CurrentValueSize/sizeof(CHAR16) - 1);
} else {
- StrCat(CurrentItemPackage->Value, L" ");
- StrCat(CurrentItemPackage->Value, Argv[LoopCounter]);
+ StrnCat(CurrentItemPackage->Value, L" ", CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
+ StrnCat(CurrentItemPackage->Value, Argv[LoopCounter], CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
}
ValueSize += StrSize(Argv[LoopCounter]) + sizeof(CHAR16);
} else {
//
// the parameter has spaces. must be quoted.
//
- CurrentItemPackage->Value = ReallocatePool(ValueSize, ValueSize + StrSize(Argv[LoopCounter]) + sizeof(CHAR16) + sizeof(CHAR16) + sizeof(CHAR16), CurrentItemPackage->Value);
+ CurrentValueSize = ValueSize + StrSize(Argv[LoopCounter]) + sizeof(CHAR16) + sizeof(CHAR16) + sizeof(CHAR16);
+ CurrentItemPackage->Value = ReallocatePool(ValueSize, CurrentValueSize, CurrentItemPackage->Value);
ASSERT(CurrentItemPackage->Value != NULL);
if (ValueSize == 0) {
- StrCpy(CurrentItemPackage->Value, L"\"");
- StrCat(CurrentItemPackage->Value, Argv[LoopCounter]);
- StrCat(CurrentItemPackage->Value, L"\"");
+ StrnCpy(CurrentItemPackage->Value, L"\"", CurrentValueSize/sizeof(CHAR16) - 1);
+ StrnCat(CurrentItemPackage->Value, Argv[LoopCounter], CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
+ StrnCat(CurrentItemPackage->Value, L"\"", CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
} else {
- StrCat(CurrentItemPackage->Value, L" ");
- StrCat(CurrentItemPackage->Value, L"\"");
- StrCat(CurrentItemPackage->Value, Argv[LoopCounter]);
- StrCat(CurrentItemPackage->Value, L"\"");
+ StrnCat(CurrentItemPackage->Value, L" ", CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
+ StrnCat(CurrentItemPackage->Value, L"\"", CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
+ StrnCat(CurrentItemPackage->Value, Argv[LoopCounter], CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
+ StrnCat(CurrentItemPackage->Value, L"\"", CurrentValueSize/sizeof(CHAR16) - 1 - StrLen(CurrentItemPackage->Value));
}
ValueSize += StrSize(Argv[LoopCounter]) + sizeof(CHAR16);
}
@@ -2113,13 +2119,12 @@ InternalCommandLineParse (
}
CurrentItemPackage->Name = NULL;
CurrentItemPackage->Type = TypePosition;
- CurrentItemPackage->Value = AllocateZeroPool(StrSize(TempPointer));
+ CurrentItemPackage->Value = AllocateCopyPool(StrSize(TempPointer), TempPointer);
if (CurrentItemPackage->Value == NULL) {
ShellCommandLineFreeVarList(*CheckPackage);
*CheckPackage = NULL;
return (EFI_OUT_OF_RESOURCES);
}
- StrCpy(CurrentItemPackage->Value, TempPointer);
CurrentItemPackage->OriginalPosition = Count++;
InsertHeadList(*CheckPackage, &CurrentItemPackage->Link);
} else {
@@ -2127,10 +2132,7 @@ InternalCommandLineParse (
// this was a non-recognised flag... error!
//
if (ProblemParam != NULL) {
- *ProblemParam = AllocateZeroPool(StrSize(Argv[LoopCounter]));
- if (*ProblemParam != NULL) {
- StrCpy(*ProblemParam, Argv[LoopCounter]);
- }
+ *ProblemParam = AllocateCopyPool(StrSize(Argv[LoopCounter]), Argv[LoopCounter]);
}
ShellCommandLineFreeVarList(*CheckPackage);
*CheckPackage = NULL;
@@ -2597,7 +2599,7 @@ ShellCopySearchAndReplace(
if (Replace == NULL) {
return (EFI_OUT_OF_RESOURCES);
}
- NewString = SetMem16(NewString, NewSize, CHAR_NULL);
+ NewString = ZeroMem(NewString, NewSize);
while (*SourceString != CHAR_NULL) {
//
// if we find the FindTarget and either Skip == FALSE or Skip and we
@@ -2612,7 +2614,7 @@ ShellCopySearchAndReplace(
FreePool(Replace);
return (EFI_BUFFER_TOO_SMALL);
}
- StrCat(NewString, Replace);
+ StrnCat(NewString, Replace, NewSize/sizeof(CHAR16) - 1 - StrLen(NewString));
} else {
Size = StrSize(NewString);
if (Size + sizeof(CHAR16) > NewSize) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 02:23:47 +0000