ShellPkg: Remove redundant quotes in file path string for Shell command parameters.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16122 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin 2014-09-17 07:58:31 +00:00 committed by shenshushi
parent 3a3395f06b
commit 0960ba17e5
7 changed files with 192 additions and 30 deletions

View File

@ -38,6 +38,7 @@ ShellCommandRunCd (
SHELL_FILE_HANDLE Handle;
CONST CHAR16 *Param1;
CHAR16 *Param1Copy;
CHAR16* Walker;
ProblemParam = NULL;
ShellStatus = SHELL_SUCCESS;
@ -96,6 +97,12 @@ ShellCommandRunCd (
}
} else {
Param1Copy = CatSPrint(NULL, L"%s", Param1, NULL);
for (Walker = Param1Copy; Walker != NULL && *Walker != CHAR_NULL ; Walker++) {
if (*Walker == L'\"') {
CopyMem(Walker, Walker+1, StrSize(Walker) - sizeof(Walker[0]));
}
}
if (Param1Copy != NULL) {
Param1Copy = PathCleanUpDirectories(Param1Copy);
}

View File

@ -295,11 +295,13 @@ ValidateAndCopyFiles(
CHAR16 *HiiResultOk;
CONST EFI_SHELL_FILE_INFO *Node;
SHELL_STATUS ShellStatus;
EFI_STATUS Status;
CHAR16 *DestPath;
VOID *Response;
UINTN PathSize;
CONST CHAR16 *Cwd;
UINTN NewSize;
CHAR16 *CleanFilePathStr;
if (Resp == NULL) {
Response = NULL;
@ -315,14 +317,25 @@ ValidateAndCopyFiles(
ASSERT(FileList != NULL);
ASSERT(DestDir != NULL);
Status = ShellLevel2StripQuotes (DestDir, &CleanFilePathStr);
if (EFI_ERROR (Status)) {
if (Status == EFI_OUT_OF_RESOURCES) {
return SHELL_OUT_OF_RESOURCES;
} else {
return SHELL_INVALID_PARAMETER;
}
}
//
// If we are trying to copy multiple files... make sure we got a directory for the target...
//
if (EFI_ERROR(ShellIsDirectory(DestDir)) && FileList->Link.ForwardLink != FileList->Link.BackLink) {
if (EFI_ERROR(ShellIsDirectory(CleanFilePathStr)) && FileList->Link.ForwardLink != FileList->Link.BackLink) {
//
// Error for destination not a directory
//
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, DestDir);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, CleanFilePathStr);
FreePool (CleanFilePathStr);
return (SHELL_INVALID_PARAMETER);
}
for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&FileList->Link)
@ -336,7 +349,7 @@ ValidateAndCopyFiles(
continue;
}
NewSize = StrSize(DestDir);
NewSize = StrSize(CleanFilePathStr);
NewSize += StrSize(Node->FullName);
NewSize += (Cwd == NULL)? 0 : StrSize(Cwd);
if (NewSize > PathSize) {
@ -348,17 +361,19 @@ ValidateAndCopyFiles(
//
if (!RecursiveMode && !EFI_ERROR(ShellIsDirectory(Node->FullName))) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CP_DIR_REQ), gShellLevel2HiiHandle);
FreePool (CleanFilePathStr);
return (SHELL_INVALID_PARAMETER);
}
//
// make sure got dest as dir if needed
//
if (!EFI_ERROR(ShellIsDirectory(Node->FullName)) && EFI_ERROR(ShellIsDirectory(DestDir))) {
if (!EFI_ERROR(ShellIsDirectory(Node->FullName)) && EFI_ERROR(ShellIsDirectory(CleanFilePathStr))) {
//
// Error for destination not a directory
//
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, DestDir);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, CleanFilePathStr);
FreePool (CleanFilePathStr);
return (SHELL_INVALID_PARAMETER);
}
}
@ -371,6 +386,7 @@ ValidateAndCopyFiles(
SHELL_FREE_NON_NULL(DestPath);
SHELL_FREE_NON_NULL(HiiOutput);
SHELL_FREE_NON_NULL(HiiResultOk);
FreePool (CleanFilePathStr);
return (SHELL_OUT_OF_RESOURCES);
}
@ -395,26 +411,27 @@ ValidateAndCopyFiles(
}
if (FileList->Link.ForwardLink == FileList->Link.BackLink // 1 item
&& EFI_ERROR(ShellIsDirectory(DestDir)) // not an existing directory
&& EFI_ERROR(ShellIsDirectory(CleanFilePathStr)) // not an existing directory
) {
if (StrStr(DestDir, L":") == NULL) {
if (StrStr(CleanFilePathStr, L":") == NULL) {
//
// simple copy of a single file
//
if (Cwd != NULL) {
StrnCpy(DestPath, Cwd, PathSize/sizeof(CHAR16)-1);
} else {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, DestDir);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, CleanFilePathStr);
FreePool (CleanFilePathStr);
return (SHELL_INVALID_PARAMETER);
}
if (DestPath[StrLen(DestPath)-1] != L'\\' && DestDir[0] != L'\\') {
if (DestPath[StrLen(DestPath)-1] != L'\\' && CleanFilePathStr[0] != L'\\') {
StrnCat(DestPath, L"\\", PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else if (DestPath[StrLen(DestPath)-1] == L'\\' && DestDir[0] == L'\\') {
} else if (DestPath[StrLen(DestPath)-1] == L'\\' && CleanFilePathStr[0] == L'\\') {
((CHAR16*)DestPath)[StrLen(DestPath)-1] = CHAR_NULL;
}
StrnCat(DestPath, DestDir, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
StrnCat(DestPath, CleanFilePathStr, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else {
StrnCpy(DestPath, DestDir, PathSize/sizeof(CHAR16) -1);
StrnCpy(DestPath, CleanFilePathStr, PathSize/sizeof(CHAR16) -1);
}
} else {
//
@ -424,50 +441,52 @@ ValidateAndCopyFiles(
//
// Check for leading slash
//
if (DestDir[0] == L'\\') {
if (CleanFilePathStr[0] == L'\\') {
//
// Copy to the root of CWD
//
if (Cwd != NULL) {
StrnCpy(DestPath, Cwd, PathSize/sizeof(CHAR16) -1);
} else {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, DestDir);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, CleanFilePathStr);
FreePool(CleanFilePathStr);
return (SHELL_INVALID_PARAMETER);
}
while (PathRemoveLastItem(DestPath));
StrnCat(DestPath, DestDir+1, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
StrnCat(DestPath, CleanFilePathStr+1, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
StrnCat(DestPath, Node->FileName, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else if (StrStr(DestDir, L":") == NULL) {
} else if (StrStr(CleanFilePathStr, L":") == NULL) {
if (Cwd != NULL) {
StrnCpy(DestPath, Cwd, PathSize/sizeof(CHAR16) -1);
} else {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, DestDir);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, CleanFilePathStr);
FreePool(CleanFilePathStr);
return (SHELL_INVALID_PARAMETER);
}
if (DestPath[StrLen(DestPath)-1] != L'\\' && DestDir[0] != L'\\') {
if (DestPath[StrLen(DestPath)-1] != L'\\' && CleanFilePathStr[0] != L'\\') {
StrnCat(DestPath, L"\\", PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else if (DestPath[StrLen(DestPath)-1] == L'\\' && DestDir[0] == L'\\') {
} else if (DestPath[StrLen(DestPath)-1] == L'\\' && CleanFilePathStr[0] == L'\\') {
((CHAR16*)DestPath)[StrLen(DestPath)-1] = CHAR_NULL;
}
StrnCat(DestPath, DestDir, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
if (DestDir[StrLen(DestDir)-1] != L'\\' && Node->FileName[0] != L'\\') {
StrnCat(DestPath, CleanFilePathStr, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
if (CleanFilePathStr[StrLen(CleanFilePathStr)-1] != L'\\' && Node->FileName[0] != L'\\') {
StrnCat(DestPath, L"\\", PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else if (DestDir[StrLen(DestDir)-1] == L'\\' && Node->FileName[0] == L'\\') {
} else if (CleanFilePathStr[StrLen(CleanFilePathStr)-1] == L'\\' && Node->FileName[0] == L'\\') {
((CHAR16*)DestPath)[StrLen(DestPath)-1] = CHAR_NULL;
}
StrnCat(DestPath, Node->FileName, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else {
StrnCpy(DestPath, DestDir, PathSize/sizeof(CHAR16) -1);
if (DestDir[StrLen(DestDir)-1] != L'\\' && Node->FileName[0] != L'\\') {
StrnCpy(DestPath, CleanFilePathStr, PathSize/sizeof(CHAR16) -1);
if (CleanFilePathStr[StrLen(CleanFilePathStr)-1] != L'\\' && Node->FileName[0] != L'\\') {
StrnCat(DestPath, L"\\", PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
} else if (DestDir[StrLen(DestDir)-1] == L'\\' && Node->FileName[0] == L'\\') {
((CHAR16*)DestDir)[StrLen(DestDir)-1] = CHAR_NULL;
} else if (CleanFilePathStr[StrLen(CleanFilePathStr)-1] == L'\\' && Node->FileName[0] == L'\\') {
((CHAR16*)CleanFilePathStr)[StrLen(CleanFilePathStr)-1] = CHAR_NULL;
}
StrnCat(DestPath, Node->FileName, PathSize/sizeof(CHAR16) - StrLen(DestPath) -1);
}
}
FreePool (CleanFilePathStr);
//
// Make sure the path exists
//

View File

@ -270,6 +270,7 @@ ValidateAndMoveFiles(
UINTN Length;
VOID *Response;
SHELL_FILE_HANDLE DestHandle;
CHAR16 *CleanFilePathStr;
ASSERT(FileList != NULL);
ASSERT(DestDir != NULL);
@ -278,10 +279,20 @@ ValidateAndMoveFiles(
Cwd = ShellGetCurrentDir(NULL);
Response = *Resp;
Status = ShellLevel2StripQuotes (DestDir, &CleanFilePathStr);
if (EFI_ERROR (Status)) {
if (Status == EFI_OUT_OF_RESOURCES) {
return SHELL_OUT_OF_RESOURCES;
} else {
return SHELL_INVALID_PARAMETER;
}
}
//
// Get and validate the destination location
//
ShellStatus = GetDestinationLocation(DestDir, &DestPath, Cwd);
ShellStatus = GetDestinationLocation(CleanFilePathStr, &DestPath, Cwd);
FreePool (CleanFilePathStr);
if (ShellStatus != SHELL_SUCCESS) {
return (ShellStatus);
}

View File

@ -309,3 +309,42 @@ StrniCmp(
return (NULL);
}
/**
Cleans off all the quotes in the string.
@param[in] OriginalString pointer to the string to be cleaned.
@param[out] CleanString The new string with all quotes removed.
Memory allocated in the function and free
by caller.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
EFIAPI
ShellLevel2StripQuotes (
IN CONST CHAR16 *OriginalString,
OUT CHAR16 **CleanString
)
{
CHAR16 *Walker;
if (OriginalString == NULL || CleanString == NULL) {
return EFI_INVALID_PARAMETER;
}
*CleanString = AllocateCopyPool (StrSize (OriginalString), OriginalString);
if (*CleanString == NULL) {
return EFI_OUT_OF_RESOURCES;
}
for (Walker = *CleanString; Walker != NULL && *Walker != CHAR_NULL ; Walker++) {
if (*Walker == L'\"') {
CopyMem(Walker, Walker+1, StrSize(Walker) - sizeof(Walker[0]));
}
}
return EFI_SUCCESS;
}

View File

@ -300,6 +300,23 @@ StrniCmp(
IN CONST UINTN Count
);
/**
Cleans off all the quotes in the string.
@param[in] OriginalString pointer to the string to be cleaned.
@param[out] CleanString The new string with all quotes removed.
Memory allocated in the function and free
by caller.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
EFIAPI
ShellLevel2StripQuotes (
IN CONST CHAR16 *OriginalString,
OUT CHAR16 **CleanString
);
/**
Function for 'Vol' command.

View File

@ -1494,6 +1494,7 @@ ShellOpenFileMetaArg (
{
EFI_STATUS Status;
LIST_ENTRY mOldStyleFileList;
CHAR16 *CleanFilePathStr;
//
// ASSERT that Arg and ListHead are not NULL
@ -1501,6 +1502,11 @@ ShellOpenFileMetaArg (
ASSERT(Arg != NULL);
ASSERT(ListHead != NULL);
Status = InternalShellStripQuotes (Arg, &CleanFilePathStr);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Check for UEFI Shell 2.0 protocols
//
@ -1508,11 +1514,12 @@ ShellOpenFileMetaArg (
if (*ListHead == NULL) {
*ListHead = (EFI_SHELL_FILE_INFO*)AllocateZeroPool(sizeof(EFI_SHELL_FILE_INFO));
if (*ListHead == NULL) {
FreePool(CleanFilePathStr);
return (EFI_OUT_OF_RESOURCES);
}
InitializeListHead(&((*ListHead)->Link));
}
Status = gEfiShellProtocol->OpenFileList(Arg,
Status = gEfiShellProtocol->OpenFileList(CleanFilePathStr,
OpenMode,
ListHead);
if (EFI_ERROR(Status)) {
@ -1522,9 +1529,11 @@ ShellOpenFileMetaArg (
}
if (*ListHead != NULL && IsListEmpty(&(*ListHead)->Link)) {
FreePool(*ListHead);
FreePool(CleanFilePathStr);
*ListHead = NULL;
return (EFI_NOT_FOUND);
}
FreePool(CleanFilePathStr);
return (Status);
}
@ -1540,15 +1549,17 @@ ShellOpenFileMetaArg (
//
// Get the EFI Shell list of files
//
Status = mEfiShellEnvironment2->FileMetaArg(Arg, &mOldStyleFileList);
Status = mEfiShellEnvironment2->FileMetaArg(CleanFilePathStr, &mOldStyleFileList);
if (EFI_ERROR(Status)) {
*ListHead = NULL;
FreePool(CleanFilePathStr);
return (Status);
}
if (*ListHead == NULL) {
*ListHead = (EFI_SHELL_FILE_INFO *)AllocateZeroPool(sizeof(EFI_SHELL_FILE_INFO));
if (*ListHead == NULL) {
FreePool(CleanFilePathStr);
return (EFI_OUT_OF_RESOURCES);
}
InitializeListHead(&((*ListHead)->Link));
@ -1569,9 +1580,11 @@ ShellOpenFileMetaArg (
*ListHead = NULL;
Status = EFI_NOT_FOUND;
}
FreePool(CleanFilePathStr);
return (Status);
}
FreePool(CleanFilePathStr);
return (EFI_UNSUPPORTED);
}
/**
@ -4240,3 +4253,41 @@ ShellDeleteFileByName(
return(Status);
}
/**
Cleans off all the quotes in the string.
@param[in] OriginalString pointer to the string to be cleaned.
@param[out] CleanString The new string with all quotes removed.
Memory allocated in the function and free
by caller.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
EFIAPI
InternalShellStripQuotes (
IN CONST CHAR16 *OriginalString,
OUT CHAR16 **CleanString
)
{
CHAR16 *Walker;
if (OriginalString == NULL || CleanString == NULL) {
return EFI_INVALID_PARAMETER;
}
*CleanString = AllocateCopyPool (StrSize (OriginalString), OriginalString);
if (*CleanString == NULL) {
return EFI_OUT_OF_RESOURCES;
}
for (Walker = *CleanString; Walker != NULL && *Walker != CHAR_NULL ; Walker++) {
if (*Walker == L'\"') {
CopyMem(Walker, Walker+1, StrSize(Walker) - sizeof(Walker[0]));
}
}
return EFI_SUCCESS;
}

View File

@ -72,5 +72,23 @@ InternalShellIsHexOrDecimalNumber (
IN CONST BOOLEAN StopAtSpace
);
/**
Cleans off all the quotes in the string.
@param[in] OriginalString pointer to the string to be cleaned.
@param[out] CleanString The new string with all quotes removed.
Memory allocated in the function and free
by caller.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
EFIAPI
InternalShellStripQuotes (
IN CONST CHAR16 *OriginalString,
OUT CHAR16 **CleanString
);
#endif