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5d2e8ef0d3b13d5f73c9b4dc0bbbf59f758d5c06
system76-edk2/ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c
Qiu Shumin 10e547ac2d ShellPkg: Fix Shell assert when mv a file to a NULL target. 
When run command 'mv file ' the Shell assert. The patch refined the length of the buffer to fix this bug.

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@19607 6f19259b-4bc3-4df7-8a09-765794883524
2016-01-06 07:40:56 +00:00

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26 KiB
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/** @file
Main file for mv shell level 2 function.
(C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "UefiShellLevel2CommandsLib.h"
/**
function to determine if a move is between file systems.
@param FullName [in] The name of the file to move.
@param Cwd [in] The current working directory
@param DestPath [in] The target location to move to
@retval TRUE The move is across file system.
@retval FALSE The move is within a file system.
**/
BOOLEAN
EFIAPI
IsBetweenFileSystem(
IN CONST CHAR16 *FullName,
IN CONST CHAR16 *Cwd,
IN CONST CHAR16 *DestPath
)
{
CHAR16 *Test;
CHAR16 *Test1;
UINTN Result;
Test = StrStr(FullName, L":");
if (Test == NULL && Cwd != NULL) {
Test = StrStr(Cwd, L":");
}
Test1 = StrStr(DestPath, L":");
if (Test1 == NULL && Cwd != NULL) {
Test1 = StrStr(Cwd, L":");
}
if (Test1 != NULL && Test != NULL) {
*Test = CHAR_NULL;
*Test1 = CHAR_NULL;
Result = StringNoCaseCompare(&FullName, &DestPath);
*Test = L':';
*Test1 = L':';
if (Result != 0) {
return (TRUE);
}
}
return (FALSE);
}
/**
Function to validate that moving a specific file (FileName) to a specific
location (DestPath) is valid.
This function will verify that the destination is not a subdirectory of
FullName, that the Current working Directory is not being moved, and that
the directory is not read only.
if the move is invalid this function will report the error to StdOut.
@param SourcePath [in] The name of the file to move.
@param Cwd [in] The current working directory
@param DestPath [in] The target location to move to
@param Attribute [in] The Attribute of the file
@param DestAttr [in] The Attribute of the destination
@param FileStatus [in] The Status of the file when opened
@retval TRUE The move is valid
@retval FALSE The move is not
**/
BOOLEAN
EFIAPI
IsValidMove(
IN CONST CHAR16 *SourcePath,
IN CONST CHAR16 *Cwd,
IN CONST CHAR16 *DestPath,
IN CONST UINT64 Attribute,
IN CONST UINT64 DestAttr,
IN CONST EFI_STATUS FileStatus
)
{
CHAR16 *DestPathCopy;
CHAR16 *DestPathWalker;
if (Cwd != NULL && StrCmp(SourcePath, Cwd) == 0) {
//
// Invalid move
//
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MV_INV_CWD), gShellLevel2HiiHandle);
return (FALSE);
}
//
// invalid to move read only or move to a read only destination
//
if (((Attribute & EFI_FILE_READ_ONLY) != 0)
|| (FileStatus == EFI_WRITE_PROTECTED)
|| ((DestAttr & EFI_FILE_READ_ONLY) != 0)
) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MV_INV_RO), gShellLevel2HiiHandle, SourcePath);
return (FALSE);
}
DestPathCopy = AllocateCopyPool(StrSize(DestPath), DestPath);
if (DestPathCopy == NULL) {
return (FALSE);
}
for (DestPathWalker = DestPathCopy; *DestPathWalker == L'\\'; DestPathWalker++) ;
while(DestPathWalker != NULL && DestPathWalker[StrLen(DestPathWalker)-1] == L'\\') {
DestPathWalker[StrLen(DestPathWalker)-1] = CHAR_NULL;
}
ASSERT(DestPathWalker != NULL);
ASSERT(SourcePath != NULL);
//
// If they're the same, or if source is "above" dest on file path tree
//
if ( StringNoCaseCompare (&DestPathWalker, &SourcePath) == 0 ||
((StrStr(DestPathWalker, SourcePath) == DestPathWalker) &&
(DestPathWalker[StrLen(SourcePath)] == '\\')
)
) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MV_INV_SUB), gShellLevel2HiiHandle);
FreePool(DestPathCopy);
return (FALSE);
}
FreePool(DestPathCopy);
return (TRUE);
}
/**
Function to take a destination path that might contain wildcards and verify
that there is only a single possible target (IE we cant have wildcards that
have 2 possible destination).
if the result is sucessful the caller must free *DestPathPointer.
@param[in] DestParameter The original path to the destination.
@param[in, out] DestPathPointer A pointer to the callee allocated final path.
@param[in] Cwd A pointer to the current working directory.
@param[in] SingleSource TRUE to have only one source file.
@param[in, out] DestAttr A pointer to the destination information attribute.
@retval SHELL_INVALID_PARAMETER The DestParameter could not be resolved to a location.
@retval SHELL_INVALID_PARAMETER The DestParameter could be resolved to more than 1 location.
@retval SHELL_INVALID_PARAMETER Cwd is required and is NULL.
@retval SHELL_SUCCESS The operation was sucessful.
**/
SHELL_STATUS
EFIAPI
GetDestinationLocation(
IN CONST CHAR16 *DestParameter,
IN OUT CHAR16 **DestPathPointer,
IN CONST CHAR16 *Cwd,
IN CONST BOOLEAN SingleSource,
IN OUT UINT64 *DestAttr
)
{
EFI_SHELL_FILE_INFO *DestList;
EFI_SHELL_FILE_INFO *Node;
CHAR16 *DestPath;
UINTN NewSize;
UINTN CurrentSize;
DestList = NULL;
DestPath = NULL;
ASSERT(DestAttr != NULL);
if (StrStr(DestParameter, L"\\") == DestParameter) {
if (Cwd == NULL) {
return SHELL_INVALID_PARAMETER;
}
DestPath = AllocateZeroPool(StrSize(Cwd));
if (DestPath == NULL) {
return (SHELL_OUT_OF_RESOURCES);
}
StrCpyS(DestPath, StrSize(Cwd) / sizeof(CHAR16), Cwd);
while (PathRemoveLastItem(DestPath)) ;
//
// Append DestParameter beyond '\' which may be present
//
CurrentSize = StrSize(DestPath);
StrnCatGrow(&DestPath, &CurrentSize, &DestParameter[1], 0);
*DestPathPointer = DestPath;
return (SHELL_SUCCESS);
}
//
// get the destination path
//
ShellOpenFileMetaArg((CHAR16*)DestParameter, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE, &DestList);
if (DestList == NULL || IsListEmpty(&DestList->Link)) {
//
// Not existing... must be renaming
//
if (StrStr(DestParameter, L":") == NULL) {
if (Cwd == NULL) {
ShellCloseFileMetaArg(&DestList);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);
return (SHELL_INVALID_PARAMETER);
}
NewSize = StrSize(Cwd);
NewSize += StrSize(DestParameter);
DestPath = AllocateZeroPool(NewSize);
if (DestPath == NULL) {
ShellCloseFileMetaArg(&DestList);
return (SHELL_OUT_OF_RESOURCES);
}
StrCpyS(DestPath, NewSize / sizeof(CHAR16), Cwd);
if (DestPath[StrLen(DestPath)-1] != L'\\' && DestParameter[0] != L'\\') {
StrCatS(DestPath, NewSize / sizeof(CHAR16), L"\\");
} else if (DestPath[StrLen(DestPath)-1] == L'\\' && DestParameter[0] == L'\\') {
((CHAR16*)DestPath)[StrLen(DestPath)-1] = CHAR_NULL;
}
StrCatS(DestPath, NewSize / sizeof(CHAR16), DestParameter);
} else {
ASSERT(DestPath == NULL);
DestPath = StrnCatGrow(&DestPath, NULL, DestParameter, 0);
if (DestPath == NULL) {
ShellCloseFileMetaArg(&DestList);
return (SHELL_OUT_OF_RESOURCES);
}
}
} else {
Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&DestList->Link);
*DestAttr = Node->Info->Attribute;
//
// Make sure there is only 1 node in the list.
//
if (!IsNodeAtEnd(&DestList->Link, &Node->Link)) {
ShellCloseFileMetaArg(&DestList);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_MARG_ERROR), gShellLevel2HiiHandle, L"mv", DestParameter);
return (SHELL_INVALID_PARAMETER);
}
//
// If we are a directory or a single file, then one node is fine.
//
if (ShellIsDirectory(Node->FullName)==EFI_SUCCESS || SingleSource) {
DestPath = AllocateZeroPool(StrSize(Node->FullName)+sizeof(CHAR16));
if (DestPath == NULL) {
ShellCloseFileMetaArg(&DestList);
return (SHELL_OUT_OF_RESOURCES);
}
StrCpyS(DestPath, (StrSize(Node->FullName)+sizeof(CHAR16)) / sizeof(CHAR16), Node->FullName);
StrCatS(DestPath, (StrSize(Node->FullName)+sizeof(CHAR16)) / sizeof(CHAR16), L"\\");
} else {
//
// cant move multiple files onto a single file.
//
ShellCloseFileMetaArg(&DestList);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_ERROR), gShellLevel2HiiHandle, L"mv", DestParameter);
return (SHELL_INVALID_PARAMETER);
}
}
*DestPathPointer = DestPath;
ShellCloseFileMetaArg(&DestList);
return (SHELL_SUCCESS);
}
/**
Function to do a move across file systems.
@param[in] Node A pointer to the file to be removed.
@param[in] DestPath A pointer to the destination file path.
@param[out] Resp A pointer to response from question. Pass back on looped calling
@retval SHELL_SUCCESS The source file was moved to the destination.
**/
EFI_STATUS
EFIAPI
MoveBetweenFileSystems(
IN EFI_SHELL_FILE_INFO *Node,
IN CONST CHAR16 *DestPath,
OUT VOID **Resp
)
{
SHELL_STATUS ShellStatus;
//
// First we copy the file
//
ShellStatus = CopySingleFile (Node->FullName, DestPath, Resp, TRUE, L"mv");
//
// Check our result
//
if (ShellStatus == SHELL_SUCCESS) {
//
// The copy was successful. delete the source file.
//
CascadeDelete(Node, TRUE);
Node->Handle = NULL;
} else if (ShellStatus == SHELL_ABORTED) {
return EFI_ABORTED;
} else if (ShellStatus == SHELL_ACCESS_DENIED) {
return EFI_ACCESS_DENIED;
} else if (ShellStatus == SHELL_VOLUME_FULL) {
return EFI_VOLUME_FULL;
} else {
return EFI_UNSUPPORTED;
}
return (EFI_SUCCESS);
}
/**
Function to take the destination path and target file name to generate the full destination path.
@param[in] DestPath A pointer to the destination file path string.
@param[out] FullDestPath A pointer to the full destination path string.
@param[in] FileName Name string of the targe file.
@retval SHELL_SUCCESS the files were all moved.
@retval SHELL_INVALID_PARAMETER a parameter was invalid
@retval SHELL_OUT_OF_RESOURCES a memory allocation failed
**/
EFI_STATUS
EFIAPI
CreateFullDestPath(
IN CONST CHAR16 **DestPath,
OUT CHAR16 **FullDestPath,
IN CONST CHAR16 *FileName
)
{
UINTN Size;
if (FullDestPath == NULL || FileName == NULL || DestPath == NULL || *DestPath == NULL){
return (EFI_INVALID_PARAMETER);
}
Size = StrSize(*DestPath) + StrSize(FileName);
*FullDestPath = AllocateZeroPool(Size);
if (*FullDestPath == NULL){
return (EFI_OUT_OF_RESOURCES);
}
StrCpyS(*FullDestPath, Size / sizeof(CHAR16), *DestPath);
if ((*FullDestPath)[StrLen(*FullDestPath)-1] != L'\\' && FileName[0] != L'\\') {
StrCatS(*FullDestPath, Size / sizeof(CHAR16), L"\\");
}
StrCatS(*FullDestPath, Size / sizeof(CHAR16), FileName);
return (EFI_SUCCESS);
}
/**
Function to do a move within a file system.
@param[in] Node A pointer to the file to be removed.
@param[in] DestPath A pointer to the destination file path.
@param[out] Resp A pointer to response from question. Pass back on looped calling.
@retval SHELL_SUCCESS The source file was moved to the destination.
@retval SHELL_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
EFIAPI
MoveWithinFileSystems(
IN EFI_SHELL_FILE_INFO *Node,
IN CHAR16 *DestPath,
OUT VOID **Resp
)
{
EFI_FILE_INFO *NewFileInfo;
CHAR16 *TempLocation;
UINTN NewSize;
UINTN Length;
EFI_STATUS Status;
//
// Chop off map info from DestPath
//
if ((TempLocation = StrStr(DestPath, L":")) != NULL) {
CopyMem(DestPath, TempLocation+1, StrSize(TempLocation+1));
}
//
// construct the new file info block
//
NewSize = StrSize(DestPath);
NewSize += StrSize(Node->FileName) + SIZE_OF_EFI_FILE_INFO + sizeof(CHAR16);
NewFileInfo = AllocateZeroPool(NewSize);
if (NewFileInfo == NULL) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellLevel2HiiHandle);
Status = EFI_OUT_OF_RESOURCES;
} else {
CopyMem(NewFileInfo, Node->Info, SIZE_OF_EFI_FILE_INFO);
if (DestPath[0] != L'\\') {
StrCpyS(NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof(CHAR16), L"\\");
StrCatS(NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof(CHAR16), DestPath);
} else {
StrCpyS(NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof(CHAR16), DestPath);
}
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[Length] = CHAR_NULL;
}
StrCatS(NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof(CHAR16), Node->FileName);
}
NewFileInfo->Size = SIZE_OF_EFI_FILE_INFO + StrSize(NewFileInfo->FileName);
//
// Perform the move operation
//
Status = ShellSetFileInfo(Node->Handle, NewFileInfo);
//
// Free the info object we used...
//
FreePool(NewFileInfo);
}
return (Status);
}
/**
function to take a list of files to move and a destination location and do
the verification and moving of those files to that location. This function
will report any errors to the user and continue to move the rest of the files.
@param[in] FileList A LIST_ENTRY* based list of files to move
@param[out] Resp pointer to response from question. Pass back on looped calling
@param[in] DestParameter the originally specified destination location
@retval SHELL_SUCCESS the files were all moved.
@retval SHELL_INVALID_PARAMETER a parameter was invalid
@retval SHELL_SECURITY_VIOLATION a security violation ocurred
@retval SHELL_WRITE_PROTECTED the destination was write protected
@retval SHELL_OUT_OF_RESOURCES a memory allocation failed
**/
SHELL_STATUS
EFIAPI
ValidateAndMoveFiles(
IN EFI_SHELL_FILE_INFO *FileList,
OUT VOID **Resp,
IN CONST CHAR16 *DestParameter
)
{
EFI_STATUS Status;
CHAR16 *HiiOutput;
CHAR16 *HiiResultOk;
CHAR16 *DestPath;
CHAR16 *FullDestPath;
CONST CHAR16 *Cwd;
CHAR16 *FullCwd;
SHELL_STATUS ShellStatus;
EFI_SHELL_FILE_INFO *Node;
VOID *Response;
UINT64 Attr;
CHAR16 *CleanFilePathStr;
ASSERT(FileList != NULL);
ASSERT(DestParameter != NULL);
DestPath = NULL;
FullDestPath = NULL;
Cwd = ShellGetCurrentDir(NULL);
Response = *Resp;
Attr = 0;
CleanFilePathStr = NULL;
FullCwd = AllocateZeroPool(StrSize(Cwd) + sizeof(CHAR16));
if (FullCwd == NULL) {
return SHELL_OUT_OF_RESOURCES;
} else {
StrCpyS(FullCwd, StrSize(Cwd)/sizeof(CHAR16)+1, Cwd);
StrCatS(FullCwd, StrSize(Cwd)/sizeof(CHAR16)+1, L"\\");
}
Status = ShellLevel2StripQuotes (DestParameter, &CleanFilePathStr);
if (EFI_ERROR (Status)) {
FreePool (FullCwd);
if (Status == EFI_OUT_OF_RESOURCES) {
return SHELL_OUT_OF_RESOURCES;
} else {
return SHELL_INVALID_PARAMETER;
}
}
ASSERT (CleanFilePathStr != NULL);
//
// Get and validate the destination location
//
ShellStatus = GetDestinationLocation(CleanFilePathStr, &DestPath, FullCwd, (BOOLEAN)(FileList->Link.ForwardLink == FileList->Link.BackLink), &Attr);
FreePool (CleanFilePathStr);
if (ShellStatus != SHELL_SUCCESS) {
FreePool (FullCwd);
return (ShellStatus);
}
DestPath = PathCleanUpDirectories(DestPath);
if (DestPath == NULL) {
FreePool (FullCwd);
return (SHELL_OUT_OF_RESOURCES);
}
HiiOutput = HiiGetString (gShellLevel2HiiHandle, STRING_TOKEN (STR_MV_OUTPUT), NULL);
HiiResultOk = HiiGetString (gShellLevel2HiiHandle, STRING_TOKEN (STR_GEN_RES_OK), NULL);
if (HiiOutput == NULL || HiiResultOk == NULL) {
SHELL_FREE_NON_NULL(DestPath);
SHELL_FREE_NON_NULL(HiiOutput);
SHELL_FREE_NON_NULL(HiiResultOk);
FreePool (FullCwd);
return (SHELL_OUT_OF_RESOURCES);
}
//
// Go through the list of files and directories to move...
//
for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&FileList->Link)
; !IsNull(&FileList->Link, &Node->Link)
; Node = (EFI_SHELL_FILE_INFO *)GetNextNode(&FileList->Link, &Node->Link)
){
if (ShellGetExecutionBreakFlag()) {
break;
}
//
// These should never be NULL
//
ASSERT(Node->FileName != NULL);
ASSERT(Node->FullName != NULL);
ASSERT(Node->Info != NULL);
//
// skip the directory traversing stuff...
//
if (StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0) {
continue;
}
SHELL_FREE_NON_NULL(FullDestPath);
FullDestPath = NULL;
if (ShellIsDirectory(DestPath)==EFI_SUCCESS) {
CreateFullDestPath((CONST CHAR16 **)&DestPath, &FullDestPath, Node->FileName);
}
//
// Validate that the move is valid
//
if (!IsValidMove(Node->FullName, FullCwd, FullDestPath!=NULL? FullDestPath:DestPath, Node->Info->Attribute, Attr, Node->Status)) {
ShellStatus = SHELL_INVALID_PARAMETER;
continue;
}
ShellPrintEx(-1, -1, HiiOutput, Node->FullName, FullDestPath!=NULL? FullDestPath:DestPath);
//
// See if destination exists
//
if (!EFI_ERROR(ShellFileExists(FullDestPath!=NULL? FullDestPath:DestPath))) {
if (Response == NULL) {
ShellPromptForResponseHii(ShellPromptResponseTypeYesNoAllCancel, STRING_TOKEN (STR_GEN_DEST_EXIST_OVR), gShellLevel2HiiHandle, &Response);
}
switch (*(SHELL_PROMPT_RESPONSE*)Response) {
case ShellPromptResponseNo:
FreePool(Response);
Response = NULL;
continue;
case ShellPromptResponseCancel:
*Resp = Response;
//
// indicate to stop everything
//
FreePool(FullCwd);
return (SHELL_ABORTED);
case ShellPromptResponseAll:
*Resp = Response;
break;
case ShellPromptResponseYes:
FreePool(Response);
Response = NULL;
break;
default:
FreePool(Response);
FreePool(FullCwd);
return SHELL_ABORTED;
}
Status = ShellDeleteFileByName(FullDestPath!=NULL? FullDestPath:DestPath);
}
if (IsBetweenFileSystem(Node->FullName, FullCwd, DestPath)) {
while (FullDestPath == NULL && DestPath != NULL && DestPath[0] != CHAR_NULL && DestPath[StrLen(DestPath) - 1] == L'\\') {
DestPath[StrLen(DestPath) - 1] = CHAR_NULL;
}
Status = MoveBetweenFileSystems(Node, FullDestPath!=NULL? FullDestPath:DestPath, &Response);
} else {
Status = MoveWithinFileSystems(Node, DestPath, &Response);
//
// Display error status
//
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel2HiiHandle, L"mv", Status);
}
}
//
// Check our result
//
if (EFI_ERROR(Status)) {
ShellStatus = SHELL_INVALID_PARAMETER;
if (Status == EFI_SECURITY_VIOLATION) {
ShellStatus = SHELL_SECURITY_VIOLATION;
} else if (Status == EFI_WRITE_PROTECTED) {
ShellStatus = SHELL_WRITE_PROTECTED;
} else if (Status == EFI_OUT_OF_RESOURCES) {
ShellStatus = SHELL_OUT_OF_RESOURCES;
} else if (Status == EFI_DEVICE_ERROR) {
ShellStatus = SHELL_DEVICE_ERROR;
} else if (Status == EFI_ACCESS_DENIED) {
ShellStatus = SHELL_ACCESS_DENIED;
}
} else {
ShellPrintEx(-1, -1, L"%s", HiiResultOk);
}
} // main for loop
SHELL_FREE_NON_NULL(FullDestPath);
SHELL_FREE_NON_NULL(DestPath);
SHELL_FREE_NON_NULL(HiiOutput);
SHELL_FREE_NON_NULL(HiiResultOk);
FreePool (FullCwd);
return (ShellStatus);
}
/**
Function for 'mv' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunMv (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
CHAR16 *Cwd;
UINTN CwdSize;
SHELL_STATUS ShellStatus;
UINTN ParamCount;
UINTN LoopCounter;
EFI_SHELL_FILE_INFO *FileList;
VOID *Response;
ProblemParam = NULL;
ShellStatus = SHELL_SUCCESS;
ParamCount = 0;
FileList = NULL;
Response = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize();
ASSERT_EFI_ERROR(Status);
//
// parse the command line
//
Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR(Status)) {
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"mv", ProblemParam);
FreePool(ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetFlag(Package, L"-?")) {
ASSERT(FALSE);
}
switch (ParamCount = ShellCommandLineGetCount(Package)) {
case 0:
case 1:
//
// we have insufficient parameters
//
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"mv");
ShellStatus = SHELL_INVALID_PARAMETER;
break;
case 2:
//
// must have valid CWD for single parameter...
//
if (ShellGetCurrentDir(NULL) == NULL){
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"mv");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
Status = ShellOpenFileMetaArg((CHAR16*)ShellCommandLineGetRawValue(Package, 1), EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
if (FileList == NULL || IsListEmpty(&FileList->Link) || EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"mv", ShellCommandLineGetRawValue(Package, 1));
ShellStatus = SHELL_NOT_FOUND;
} else {
//
// ValidateAndMoveFiles will report errors to the screen itself
//
CwdSize = StrSize(ShellGetCurrentDir(NULL)) + sizeof(CHAR16);
Cwd = AllocateZeroPool(CwdSize);
ASSERT (Cwd != NULL);
StrCpyS(Cwd, CwdSize/sizeof(CHAR16), ShellGetCurrentDir(NULL));
StrCatS(Cwd, CwdSize/sizeof(CHAR16), L"\\");
ShellStatus = ValidateAndMoveFiles(FileList, &Response, Cwd);
FreePool(Cwd);
}
}
break;
default:
///@todo make sure this works with error half way through and continues...
for (ParamCount--, LoopCounter = 1 ; LoopCounter < ParamCount ; LoopCounter++) {
if (ShellGetExecutionBreakFlag()) {
break;
}
Status = ShellOpenFileMetaArg((CHAR16*)ShellCommandLineGetRawValue(Package, LoopCounter), EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
if (FileList == NULL || IsListEmpty(&FileList->Link) || EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"mv", ShellCommandLineGetRawValue(Package, LoopCounter));
ShellStatus = SHELL_NOT_FOUND;
} else {
//
// ValidateAndMoveFiles will report errors to the screen itself
// Only change ShellStatus if it's sucessful
//
if (ShellStatus == SHELL_SUCCESS) {
ShellStatus = ValidateAndMoveFiles(FileList, &Response, ShellCommandLineGetRawValue(Package, ParamCount));
} else {
ValidateAndMoveFiles(FileList, &Response, ShellCommandLineGetRawValue(Package, ParamCount));
}
}
if (FileList != NULL && !IsListEmpty(&FileList->Link)) {
Status = ShellCloseFileMetaArg(&FileList);
if (EFI_ERROR(Status) && ShellStatus == SHELL_SUCCESS) {
ShellStatus = SHELL_ACCESS_DENIED;
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_FILE), gShellLevel2HiiHandle, L"mv", ShellCommandLineGetRawValue(Package, 1), ShellStatus|MAX_BIT);
}
}
}
break;
} // switch on parameter count
if (FileList != NULL) {
ShellCloseFileMetaArg(&FileList);
}
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
}
SHELL_FREE_NON_NULL(Response);
if (ShellGetExecutionBreakFlag()) {
return (SHELL_ABORTED);
}
return (ShellStatus);
}
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