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author | Michael Kubacki <michael.kubacki@microsoft.com> | 2022-11-08 15:35:39 -0500 |
---|---|---|
committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-04-03 15:29:08 +0000 |
commit | 11dd44dfbefab2ca0b9160bb5ebe40bc1c70f7c1 (patch) | |
tree | 05c9085ba7c2d2fa8dc07d45c3316d700fe76b1e /ShellPkg/Library | |
parent | 7dc182ed1e7198420fa10fb523e3d52093fefab2 (diff) | |
download | edk2-11dd44dfbefab2ca0b9160bb5ebe40bc1c70f7c1.tar.gz edk2-11dd44dfbefab2ca0b9160bb5ebe40bc1c70f7c1.tar.bz2 edk2-11dd44dfbefab2ca0b9160bb5ebe40bc1c70f7c1.zip |
ShellPkg: Fix conditionally uninitialized variables
Fixes CodeQL alerts for CWE-457:
https://cwe.mitre.org/data/definitions/457.html
Cc: Erich McMillan <emcmillan@microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Co-authored-by: Erich McMillan <emcmillan@microsoft.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
Diffstat (limited to 'ShellPkg/Library')
6 files changed, 75 insertions, 60 deletions
diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c index 36cf46fb2c..4549cbde9b 100644 --- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c +++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c @@ -1399,10 +1399,11 @@ ShellCommandCreateInitialMappingsAndPaths ( CHAR16 *MapName;
SHELL_MAP_LIST *MapListItem;
- SplitCurDir = NULL;
- MapName = NULL;
- MapListItem = NULL;
- HandleList = NULL;
+ ConsistMappingTable = NULL;
+ SplitCurDir = NULL;
+ MapName = NULL;
+ MapListItem = NULL;
+ HandleList = NULL;
//
// Reset the static members back to zero
@@ -1458,32 +1459,35 @@ ShellCommandCreateInitialMappingsAndPaths ( //
PerformQuickSort (DevicePathList, Count, sizeof (EFI_DEVICE_PATH_PROTOCOL *), DevicePathCompare);
- ShellCommandConsistMappingInitialize (&ConsistMappingTable);
- //
- // Assign new Mappings to all...
- //
- for (Count = 0; HandleList[Count] != NULL; Count++) {
- //
- // Get default name first
- //
- NewDefaultName = ShellCommandCreateNewMappingName (MappingTypeFileSystem);
- ASSERT (NewDefaultName != NULL);
- Status = ShellCommandAddMapItemAndUpdatePath (NewDefaultName, DevicePathList[Count], 0, TRUE);
- ASSERT_EFI_ERROR (Status);
- FreePool (NewDefaultName);
-
+ if (!EFI_ERROR (ShellCommandConsistMappingInitialize (&ConsistMappingTable))) {
//
- // Now do consistent name
+ // Assign new Mappings to all...
//
- NewConsistName = ShellCommandConsistMappingGenMappingName (DevicePathList[Count], ConsistMappingTable);
- if (NewConsistName != NULL) {
- Status = ShellCommandAddMapItemAndUpdatePath (NewConsistName, DevicePathList[Count], 0, FALSE);
+ for (Count = 0; HandleList[Count] != NULL; Count++) {
+ //
+ // Get default name first
+ //
+ NewDefaultName = ShellCommandCreateNewMappingName (MappingTypeFileSystem);
+ ASSERT (NewDefaultName != NULL);
+ Status = ShellCommandAddMapItemAndUpdatePath (NewDefaultName, DevicePathList[Count], 0, TRUE);
ASSERT_EFI_ERROR (Status);
- FreePool (NewConsistName);
+ FreePool (NewDefaultName);
+
+ //
+ // Now do consistent name
+ //
+ NewConsistName = ShellCommandConsistMappingGenMappingName (DevicePathList[Count], ConsistMappingTable);
+ if (NewConsistName != NULL) {
+ Status = ShellCommandAddMapItemAndUpdatePath (NewConsistName, DevicePathList[Count], 0, FALSE);
+ ASSERT_EFI_ERROR (Status);
+ FreePool (NewConsistName);
+ }
}
}
- ShellCommandConsistMappingUnInitialize (ConsistMappingTable);
+ if (ConsistMappingTable != NULL) {
+ ShellCommandConsistMappingUnInitialize (ConsistMappingTable);
+ }
SHELL_FREE_NON_NULL (HandleList);
SHELL_FREE_NON_NULL (DevicePathList);
@@ -1626,12 +1630,12 @@ ShellCommandUpdateMapping ( //
PerformQuickSort (DevicePathList, Count, sizeof (EFI_DEVICE_PATH_PROTOCOL *), DevicePathCompare);
- ShellCommandConsistMappingInitialize (&ConsistMappingTable);
+ Status = ShellCommandConsistMappingInitialize (&ConsistMappingTable);
//
// Assign new Mappings to remainders
//
- for (Count = 0; !EFI_ERROR (Status) && HandleList[Count] != NULL && !EFI_ERROR (Status); Count++) {
+ for (Count = 0; !EFI_ERROR (Status) && HandleList[Count] != NULL; Count++) {
//
// Skip ones that already have
//
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c index 97a4b57a93..5329b559ba 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c @@ -158,7 +158,10 @@ ShellCommandRunDblk ( ShellStatus = SHELL_INVALID_PARAMETER;
}
- ShellConvertStringToUint64 (LbaString, &Lba, TRUE, FALSE);
+ if (EFI_ERROR (ShellConvertStringToUint64 (LbaString, &Lba, TRUE, FALSE))) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", LbaString);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ }
}
if (BlockCountString == NULL) {
@@ -169,12 +172,13 @@ ShellCommandRunDblk ( ShellStatus = SHELL_INVALID_PARAMETER;
}
- ShellConvertStringToUint64 (BlockCountString, &BlockCount, TRUE, FALSE);
- if (BlockCount > 0x10) {
- BlockCount = 0x10;
- } else if (BlockCount == 0) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString);
- ShellStatus = SHELL_INVALID_PARAMETER;
+ if (!EFI_ERROR (ShellConvertStringToUint64 (BlockCountString, &BlockCount, TRUE, FALSE))) {
+ if (BlockCount > 0x10) {
+ BlockCount = 0x10;
+ } else if (BlockCount == 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ }
}
}
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c index 8bf23a2076..72f8c087cb 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c @@ -112,10 +112,13 @@ ShellCommandRunEfiDecompress ( if (ShellStatus == SHELL_SUCCESS) {
Status = FileHandleGetSize (InFileHandle, &Temp64Bit);
- ASSERT (Temp64Bit <= (UINT32)(-1));
- InSize = (UINTN)Temp64Bit;
ASSERT_EFI_ERROR (Status);
- InBuffer = AllocateZeroPool (InSize);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (Temp64Bit <= (UINT32)(-1));
+ InSize = (UINTN)Temp64Bit;
+ InBuffer = AllocateZeroPool (InSize);
+ }
+
if (InBuffer == NULL) {
Status = EFI_OUT_OF_RESOURCES;
} else {
diff --git a/ShellPkg/Library/UefiShellDriver1CommandsLib/Connect.c b/ShellPkg/Library/UefiShellDriver1CommandsLib/Connect.c index d7a133c0c5..870c5b0d1d 100644 --- a/ShellPkg/Library/UefiShellDriver1CommandsLib/Connect.c +++ b/ShellPkg/Library/UefiShellDriver1CommandsLib/Connect.c @@ -508,9 +508,10 @@ ShellCommandRunConnect ( Count = ShellCommandLineGetCount (Package);
if (Param1 != NULL) {
- Status = ShellConvertStringToUint64 (Param1, &Intermediate, TRUE, FALSE);
- Handle1 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
- if (EFI_ERROR (Status)) {
+ Status = ShellConvertStringToUint64 (Param1, &Intermediate, TRUE, FALSE);
+ if (!EFI_ERROR (Status)) {
+ Handle1 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
+ } else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param1);
ShellStatus = SHELL_INVALID_PARAMETER;
}
@@ -519,9 +520,10 @@ ShellCommandRunConnect ( }
if (Param2 != NULL) {
- Status = ShellConvertStringToUint64 (Param2, &Intermediate, TRUE, FALSE);
- Handle2 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
- if (EFI_ERROR (Status)) {
+ Status = ShellConvertStringToUint64 (Param2, &Intermediate, TRUE, FALSE);
+ if (!EFI_ERROR (Status)) {
+ Handle2 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
+ } else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param2);
ShellStatus = SHELL_INVALID_PARAMETER;
}
diff --git a/ShellPkg/Library/UefiShellDriver1CommandsLib/Disconnect.c b/ShellPkg/Library/UefiShellDriver1CommandsLib/Disconnect.c index 009ae5282b..fd49d1f7ce 100644 --- a/ShellPkg/Library/UefiShellDriver1CommandsLib/Disconnect.c +++ b/ShellPkg/Library/UefiShellDriver1CommandsLib/Disconnect.c @@ -160,12 +160,17 @@ ShellCommandRunDisconnect ( Param1 = ShellCommandLineGetRawValue (Package, 1);
Param2 = ShellCommandLineGetRawValue (Package, 2);
Param3 = ShellCommandLineGetRawValue (Package, 3);
- ShellConvertStringToUint64 (Param1, &Intermediate1, TRUE, FALSE);
- Handle1 = Param1 != NULL ? ConvertHandleIndexToHandle ((UINTN)Intermediate1) : NULL;
- ShellConvertStringToUint64 (Param2, &Intermediate2, TRUE, FALSE);
- Handle2 = Param2 != NULL ? ConvertHandleIndexToHandle ((UINTN)Intermediate2) : NULL;
- ShellConvertStringToUint64 (Param3, &Intermediate3, TRUE, FALSE);
- Handle3 = Param3 != NULL ? ConvertHandleIndexToHandle ((UINTN)Intermediate3) : NULL;
+ if (!EFI_ERROR (ShellConvertStringToUint64 (Param1, &Intermediate1, TRUE, FALSE))) {
+ Handle1 = Param1 != NULL ? ConvertHandleIndexToHandle ((UINTN)Intermediate1) : NULL;
+ }
+
+ if (!EFI_ERROR (ShellConvertStringToUint64 (Param2, &Intermediate2, TRUE, FALSE))) {
+ Handle2 = Param2 != NULL ? ConvertHandleIndexToHandle ((UINTN)Intermediate2) : NULL;
+ }
+
+ if (!EFI_ERROR (ShellConvertStringToUint64 (Param3, &Intermediate3, TRUE, FALSE))) {
+ Handle3 = Param3 != NULL ? ConvertHandleIndexToHandle ((UINTN)Intermediate3) : NULL;
+ }
if ((Param1 != NULL) && (Handle1 == NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param1);
diff --git a/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvDiag.c b/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvDiag.c index c645c9fd68..b845d694b2 100644 --- a/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvDiag.c +++ b/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvDiag.c @@ -438,25 +438,22 @@ ShellCommandRunDrvDiag ( ControllerHandleStr = ShellCommandLineGetRawValue (Package, 2);
ChildHandleStr = ShellCommandLineGetRawValue (Package, 3);
- if (DriverHandleStr == NULL) {
- Handle1 = NULL;
- } else {
- ShellConvertStringToUint64 (DriverHandleStr, &Intermediate, TRUE, FALSE);
+ if ((DriverHandleStr != NULL) && !EFI_ERROR (ShellConvertStringToUint64 (DriverHandleStr, &Intermediate, TRUE, FALSE))) {
Handle1 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
+ } else {
+ Handle1 = NULL;
}
- if (ControllerHandleStr == NULL) {
- Handle2 = NULL;
- } else {
- ShellConvertStringToUint64 (ControllerHandleStr, &Intermediate, TRUE, FALSE);
+ if ((ControllerHandleStr != NULL) && !EFI_ERROR (ShellConvertStringToUint64 (ControllerHandleStr, &Intermediate, TRUE, FALSE))) {
Handle2 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
+ } else {
+ Handle2 = NULL;
}
- if (ChildHandleStr == NULL) {
- Handle3 = NULL;
- } else {
- ShellConvertStringToUint64 (ChildHandleStr, &Intermediate, TRUE, FALSE);
+ if ((ChildHandleStr != NULL) && !EFI_ERROR (ShellConvertStringToUint64 (ChildHandleStr, &Intermediate, TRUE, FALSE))) {
Handle3 = ConvertHandleIndexToHandle ((UINTN)Intermediate);
+ } else {
+ Handle3 = NULL;
}
Status = DoDiagnostics (
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