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authorjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2010-10-04 16:44:57 +0000
committerjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2010-10-04 16:44:57 +0000
commit3e082d58262da4108a3f1f2ee8fa0a9441bb2a9b (patch)
treec1ba56013a00d119763ba7c71ed1ab7472e574cf /ShellPkg
parent9ea69f8a05b808b4bab81b608436a02e2f2fba09 (diff)
downloadedk2-platforms-3e082d58262da4108a3f1f2ee8fa0a9441bb2a9b.tar.xz
Verify more memory allocations.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10910 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg')
-rw-r--r--ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c2
-rw-r--r--ShellPkg/Library/UefiShellLevel2CommandsLib/Map.c17
-rw-r--r--ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c11
-rw-r--r--ShellPkg/Library/UefiShellLib/UefiShellLib.c66
4 files changed, 64 insertions, 32 deletions
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
index 9344c331e5..f15ff3030a 100644
--- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
@@ -287,7 +287,7 @@ ValidateAndCopyFiles(
HiiResultOk = HiiGetString (gShellLevel2HiiHandle, STRING_TOKEN (STR_GEN_RES_OK), NULL);
DestPath = AllocatePool(PathLen);
- if (HiiOutput == NULL || HiiOutput == NULL || HiiResultOk == NULL) {
+ if (DestPath == NULL || HiiOutput == NULL || HiiResultOk == NULL) {
SHELL_FREE_NON_NULL(DestPath);
SHELL_FREE_NON_NULL(HiiOutput);
SHELL_FREE_NON_NULL(HiiResultOk);
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Map.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Map.c
index f696523f82..ccfa0b0654 100644
--- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Map.c
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Map.c
@@ -664,6 +664,9 @@ PerformMappingDelete(
HandleBuffer);
if (Status == EFI_BUFFER_TOO_SMALL) {
HandleBuffer = AllocatePool(BufferSize);
+ if (HandleBuffer == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
Status = gBS->LocateHandle(
ByProtocol,
&gEfiDevicePathProtocolGuid,
@@ -671,8 +674,10 @@ PerformMappingDelete(
&BufferSize,
HandleBuffer);
}
- ASSERT_EFI_ERROR(Status);
- ASSERT(HandleBuffer != NULL);
+ if (EFI_ERROR(Status)) {
+ SHELL_FREE_NON_NULL(HandleBuffer);
+ return (Status);
+ }
//
// Get the map name(s) for each one.
@@ -698,6 +703,9 @@ PerformMappingDelete(
if (Status == EFI_BUFFER_TOO_SMALL) {
FreePool(HandleBuffer);
HandleBuffer = AllocatePool(BufferSize);
+ if (HandleBuffer == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
Status = gBS->LocateHandle(
ByProtocol,
&gEfiBlockIoProtocolGuid,
@@ -705,7 +713,10 @@ PerformMappingDelete(
&BufferSize,
HandleBuffer);
}
- ASSERT_EFI_ERROR(Status);
+ if (EFI_ERROR(Status)) {
+ SHELL_FREE_NON_NULL(HandleBuffer);
+ return (Status);
+ }
//
// Get the map name(s) for each one.
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c
index a628781757..7530289a52 100644
--- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c
@@ -44,7 +44,7 @@ IsValidMove(
CHAR16 *Test;
CHAR16 *Test1;
CHAR16 *TestWalker;
- UINTN Result;
+ INTN Result;
UINTN TempLen;
if (Cwd != NULL && StrCmp(FullName, Cwd) == 0) {
//
@@ -236,6 +236,7 @@ ValidateAndMoveFiles(
EFI_FILE_INFO *NewFileInfo;
CHAR16 *TempLocation;
UINTN NewSize;
+ UINTN Length;
ASSERT(FileList != NULL);
ASSERT(DestDir != NULL);
@@ -310,12 +311,16 @@ ValidateAndMoveFiles(
} else {
StrCpy(NewFileInfo->FileName, DestPath);
}
- if (NewFileInfo->FileName[StrLen(NewFileInfo->FileName)-1] == L'\\') {
+ Length = StrLen(NewFileInfo->FileName);
+ if (Length > 0) {
+ Length--;
+ }
+ if (NewFileInfo->FileName[Length] == L'\\') {
if (Node->FileName[0] == L'\\') {
//
// Don't allow for double slashes. Eliminate one of them.
//
- NewFileInfo->FileName[StrLen(NewFileInfo->FileName)-1] = CHAR_NULL;
+ NewFileInfo->FileName[Length] = CHAR_NULL;
}
StrCat(NewFileInfo->FileName, Node->FileName);
}
diff --git a/ShellPkg/Library/UefiShellLib/UefiShellLib.c b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
index 1694f46378..bcb6f2a7e4 100644
--- a/ShellPkg/Library/UefiShellLib/UefiShellLib.c
+++ b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
@@ -1639,31 +1639,36 @@ ShellFindFilePath (
Size = StrSize(Path)+sizeof(CHAR16);
Size += StrSize(FileName);
TestPath = AllocateZeroPool(Size);
+ if (TestPath == NULL) {
+ return (NULL);
+ }
Walker = (CHAR16*)Path;
do {
CopyMem(TestPath, Walker, StrSize(Walker));
- TempChar = StrStr(TestPath, L";");
- if (TempChar != NULL) {
- *TempChar = CHAR_NULL;
- }
- if (TestPath[StrLen(TestPath)-1] != L'\\') {
- StrCat(TestPath, L"\\");
- }
- StrCat(TestPath, FileName);
- if (StrStr(Walker, L";") != NULL) {
- Walker = StrStr(Walker, L";") + 1;
- } else {
- Walker = NULL;
- }
- Status = ShellOpenFileByName(TestPath, &Handle, EFI_FILE_MODE_READ, 0);
- if (!EFI_ERROR(Status)){
- if (FileHandleIsDirectory(Handle) != EFI_SUCCESS) {
- ASSERT(RetVal == NULL);
- RetVal = StrnCatGrow(&RetVal, NULL, TestPath, 0);
- ShellCloseFile(&Handle);
- break;
+ if (TestPath != NULL) {
+ TempChar = StrStr(TestPath, L";");
+ if (TempChar != NULL) {
+ *TempChar = CHAR_NULL;
+ }
+ if (TestPath[StrLen(TestPath)-1] != L'\\') {
+ StrCat(TestPath, L"\\");
+ }
+ StrCat(TestPath, FileName);
+ if (StrStr(Walker, L";") != NULL) {
+ Walker = StrStr(Walker, L";") + 1;
} else {
- ShellCloseFile(&Handle);
+ Walker = NULL;
+ }
+ Status = ShellOpenFileByName(TestPath, &Handle, EFI_FILE_MODE_READ, 0);
+ if (!EFI_ERROR(Status)){
+ if (FileHandleIsDirectory(Handle) != EFI_SUCCESS) {
+ ASSERT(RetVal == NULL);
+ RetVal = StrnCatGrow(&RetVal, NULL, TestPath, 0);
+ ShellCloseFile(&Handle);
+ break;
+ } else {
+ ShellCloseFile(&Handle);
+ }
}
}
} while (Walker != NULL && Walker[0] != CHAR_NULL);
@@ -2460,6 +2465,9 @@ ShellCopySearchAndReplace(
Replace = AllocateZeroPool(StrSize(ReplaceWith) + 2*sizeof(CHAR16));
UnicodeSPrint(Replace, StrSize(ReplaceWith) + 2*sizeof(CHAR16), L"\"%s\"", ReplaceWith);
}
+ if (Replace == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
NewString = SetMem16(NewString, NewSize, CHAR_NULL);
while (*SourceString != CHAR_NULL) {
//
@@ -2702,6 +2710,9 @@ ShellPrintEx(
{
VA_LIST Marker;
EFI_STATUS RetVal;
+ if (Format == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
VA_START (Marker, Format);
RetVal = InternalShellPrintWorker(Col, Row, Format, Marker);
VA_END(Marker);
@@ -2784,7 +2795,8 @@ ShellIsDirectory(
{
EFI_STATUS Status;
SHELL_FILE_HANDLE Handle;
- CHAR16 *TempLocation;
+ CHAR16 *TempLocation;
+ CHAR16 *TempLocation2;
ASSERT(DirName != NULL);
@@ -2797,9 +2809,10 @@ ShellIsDirectory(
// try good logic first.
//
if (mEfiShellProtocol != NULL) {
- TempLocation = StrnCatGrow(&TempLocation, NULL, DirName, 0);
- if (StrStr(TempLocation, L":") != NULL && StrLen(StrStr(TempLocation, L":")) == 2) {
- *(StrStr(TempLocation, L":")+1) = CHAR_NULL;
+ TempLocation = StrnCatGrow(&TempLocation, NULL, DirName, 0);
+ TempLocation2 = StrStr(TempLocation, L":");
+ if (TempLocation2 != NULL && StrLen(StrStr(TempLocation, L":")) == 2) {
+ *(TempLocation2+1) = CHAR_NULL;
}
if (mEfiShellProtocol->GetDevicePathFromMap(TempLocation) != NULL) {
FreePool(TempLocation);
@@ -3074,6 +3087,9 @@ ShellPromptForResponse (
Size = 0;
if (Type != ShellPromptResponseTypeFreeform) {
Resp = (SHELL_PROMPT_RESPONSE*)AllocatePool(sizeof(SHELL_PROMPT_RESPONSE));
+ if (Resp == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
}
switch(Type) {