diff options
Diffstat (limited to 'EdkNt32Pkg/Dxe/WinNtThunk/Bus/SimpleFileSystem/WinNtSimpleFileSystem.c')
| -rw-r--r-- | EdkNt32Pkg/Dxe/WinNtThunk/Bus/SimpleFileSystem/WinNtSimpleFileSystem.c | 2682 |
1 files changed, 0 insertions, 2682 deletions
diff --git a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SimpleFileSystem/WinNtSimpleFileSystem.c b/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SimpleFileSystem/WinNtSimpleFileSystem.c deleted file mode 100644 index 475dff6224..0000000000 --- a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SimpleFileSystem/WinNtSimpleFileSystem.c +++ /dev/null @@ -1,2682 +0,0 @@ -/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. 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.
-
-Module Name:
-
- WinNtSimpleFileSystem.c
-
-Abstract:
-
- Produce Simple File System abstractions for directories on your PC using Win32 APIs.
- The configuration of what devices to mount or emulate comes from NT
- environment variables. The variables must be visible to the Microsoft*
- Developer Studio for them to work.
-
- * Other names and brands may be claimed as the property of others.
-
---*/
-
-#include "WinNtSimpleFileSystem.h"
-
-EFI_DRIVER_BINDING_PROTOCOL gWinNtSimpleFileSystemDriverBinding = {
- WinNtSimpleFileSystemDriverBindingSupported,
- WinNtSimpleFileSystemDriverBindingStart,
- WinNtSimpleFileSystemDriverBindingStop,
- 0xa,
- NULL,
- NULL
-};
-
-
-CHAR16 *
-EfiStrChr (
- IN CHAR16 *Str,
- IN CHAR16 Chr
- )
-/*++
-
-Routine Description:
-
- Locate the first occurance of a character in a string.
-
-Arguments:
-
- Str - Pointer to NULL terminated unicode string.
- Chr - Character to locate.
-
-Returns:
-
- If Str is NULL, then NULL is returned.
- If Chr is not contained in Str, then NULL is returned.
- If Chr is contained in Str, then a pointer to the first occurance of Chr in Str is returned.
-
---*/
-{
- if (Str == NULL) {
- return Str;
- }
-
- while (*Str != '\0' && *Str != Chr) {
- ++Str;
- }
-
- return (*Str == Chr) ? Str : NULL;
-}
-
-BOOLEAN
-IsZero (
- IN VOID *Buffer,
- IN UINTN Length
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- Buffer - TODO: add argument description
- Length - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-{
- if (Buffer == NULL || Length == 0) {
- return FALSE;
- }
-
- if (*(UINT8 *) Buffer != 0) {
- return FALSE;
- }
-
- if (Length > 1) {
- if (!CompareMem (Buffer, (UINT8 *) Buffer + 1, Length - 1)) {
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-VOID
-CutPrefix (
- IN CHAR16 *Str,
- IN UINTN Count
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- Str - TODO: add argument description
- Count - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-{
- CHAR16 *Pointer;
-
- if (StrLen (Str) < Count) {
- ASSERT (0);
- }
-
- if (Count != 0) {
- for (Pointer = Str; *(Pointer + Count); Pointer++) {
- *Pointer = *(Pointer + Count);
- }
- *Pointer = *(Pointer + Count);
- }
-}
-
-
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
-
- Check to see if the driver supports a given controller.
-
-Arguments:
-
- This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.
-
- ControllerHandle - EFI handle of the controller to test.
-
- RemainingDevicePath - Pointer to remaining portion of a device path.
-
-Returns:
-
- EFI_SUCCESS - The device specified by ControllerHandle and RemainingDevicePath is supported by the driver
- specified by This.
-
- EFI_ALREADY_STARTED - The device specified by ControllerHandle and RemainingDevicePath is already being managed by
- the driver specified by This.
-
- EFI_ACCESS_DENIED - The device specified by ControllerHandle and RemainingDevicePath is already being managed by
- a different driver or an application that requires exclusive access.
-
- EFI_UNSUPPORTED - The device specified by ControllerHandle and RemainingDevicePath is not supported by the
- driver specified by This.
-
---*/
-{
- EFI_STATUS Status;
- EFI_WIN_NT_IO_PROTOCOL *WinNtIo;
-
- //
- // Open the IO Abstraction(s) needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiWinNtIoProtocolGuid,
- &WinNtIo,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Make sure GUID is for a File System handle.
- //
- Status = EFI_UNSUPPORTED;
- if (CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtFileSystemGuid)) {
- Status = EFI_SUCCESS;
- }
-
- //
- // Close the I/O Abstraction(s) used to perform the supported test
- //
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiWinNtIoProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
-
- Starts a device controller or a bus controller.
-
-Arguments:
-
- This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.
-
- ControllerHandle - EFI handle of the controller to start.
-
- RemainingDevicePath - Pointer to remaining portion of a device path.
-
-Returns:
-
- EFI_SUCCESS - The device or bus controller has been started.
-
- EFI_DEVICE_ERROR - The device could not be started due to a device failure.
-
- EFI_OUT_OF_RESOURCES - The request could not be completed due to lack of resources.
-
---*/
-{
- EFI_STATUS Status;
- EFI_WIN_NT_IO_PROTOCOL *WinNtIo;
- WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;
-
- Private = NULL;
-
- //
- // Open the IO Abstraction(s) needed
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiWinNtIoProtocolGuid,
- &WinNtIo,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Validate GUID
- //
- if (!CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtFileSystemGuid)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- Private = AllocatePool (sizeof (WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE));
- if (Private == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
-
- goto Done;
- }
-
- Private->Signature = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;
- Private->WinNtThunk = WinNtIo->WinNtThunk;
-
- Private->FilePath = WinNtIo->EnvString;
-
- Private->VolumeLabel = AllocatePool (StrSize (L"EFI_EMULATED"));
- if (Private->VolumeLabel == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (Private->VolumeLabel, L"EFI_EMULATED");
-
- Private->SimpleFileSystem.Revision = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION;
- Private->SimpleFileSystem.OpenVolume = WinNtSimpleFileSystemOpenVolume;
-
- Private->WinNtThunk->SetErrorMode (SEM_FAILCRITICALERRORS);
-
- Private->ControllerNameTable = NULL;
-
- AddUnicodeString (
- "eng",
- gWinNtSimpleFileSystemComponentName.SupportedLanguages,
- &Private->ControllerNameTable,
- WinNtIo->EnvString
- );
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiSimpleFileSystemProtocolGuid,
- &Private->SimpleFileSystem,
- NULL
- );
-
-Done:
- if (EFI_ERROR (Status)) {
-
- if (Private != NULL) {
-
- FreeUnicodeStringTable (Private->ControllerNameTable);
-
- FreePool (Private);
- }
-
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiWinNtIoProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.
-
- ControllerHandle - A handle to the device to be stopped.
-
- NumberOfChildren - The number of child device handles in ChildHandleBuffer.
-
- ChildHandleBuffer - An array of child device handles to be freed.
-
-Returns:
-
- EFI_SUCCESS - The device has been stopped.
-
- EFI_DEVICE_ERROR - The device could not be stopped due to a device failure.
-
---*/
-// TODO: EFI_UNSUPPORTED - add return value to function comment
-{
- EFI_STATUS Status;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;
- WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;
-
- //
- // Get our context back
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiSimpleFileSystemProtocolGuid,
- &SimpleFileSystem,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
-
- Private = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (SimpleFileSystem);
-
- //
- // Uninstall the Simple File System Protocol from ControllerHandle
- //
- Status = gBS->UninstallMultipleProtocolInterfaces (
- ControllerHandle,
- &gEfiSimpleFileSystemProtocolGuid,
- &Private->SimpleFileSystem,
- NULL
- );
- if (!EFI_ERROR (Status)) {
- Status = gBS->CloseProtocol (
- ControllerHandle,
- &gEfiWinNtIoProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
- }
-
- if (!EFI_ERROR (Status)) {
- //
- // Free our instance data
- //
- FreeUnicodeStringTable (Private->ControllerNameTable);
-
- FreePool (Private);
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemOpenVolume (
- IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
- OUT EFI_FILE **Root
- )
-/*++
-
-Routine Description:
-
- Open the root directory on a volume.
-
-Arguments:
-
- This - A pointer to the volume to open.
-
- Root - A pointer to storage for the returned opened file handle of the root directory.
-
-Returns:
-
- EFI_SUCCESS - The volume was opened.
-
- EFI_UNSUPPORTED - The volume does not support the requested file system type.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures are corrupted.
-
- EFI_ACCESS_DENIED - The service denied access to the file.
-
- EFI_OUT_OF_RESOURCES - The file volume could not be opened due to lack of resources.
-
- EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_STATUS Status;
- WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *Private;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_TPL OldTpl;
-
- if (This == NULL || Root == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- Private = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);
-
- PrivateFile = AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE));
- if (PrivateFile == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- PrivateFile->FileName = AllocatePool (StrSize (Private->FilePath));
- if (PrivateFile->FileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- PrivateFile->FilePath = AllocatePool (StrSize (Private->FilePath));
- if (PrivateFile->FilePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (PrivateFile->FilePath, Private->FilePath);
- StrCpy (PrivateFile->FileName, PrivateFile->FilePath);
- PrivateFile->Signature = WIN_NT_EFI_FILE_PRIVATE_SIGNATURE;
- PrivateFile->WinNtThunk = Private->WinNtThunk;
- PrivateFile->SimpleFileSystem = This;
- PrivateFile->IsRootDirectory = TRUE;
- PrivateFile->IsDirectoryPath = TRUE;
- PrivateFile->IsOpenedByRead = TRUE;
- PrivateFile->EfiFile.Revision = EFI_FILE_HANDLE_REVISION;
- PrivateFile->EfiFile.Open = WinNtSimpleFileSystemOpen;
- PrivateFile->EfiFile.Close = WinNtSimpleFileSystemClose;
- PrivateFile->EfiFile.Delete = WinNtSimpleFileSystemDelete;
- PrivateFile->EfiFile.Read = WinNtSimpleFileSystemRead;
- PrivateFile->EfiFile.Write = WinNtSimpleFileSystemWrite;
- PrivateFile->EfiFile.GetPosition = WinNtSimpleFileSystemGetPosition;
- PrivateFile->EfiFile.SetPosition = WinNtSimpleFileSystemSetPosition;
- PrivateFile->EfiFile.GetInfo = WinNtSimpleFileSystemGetInfo;
- PrivateFile->EfiFile.SetInfo = WinNtSimpleFileSystemSetInfo;
- PrivateFile->EfiFile.Flush = WinNtSimpleFileSystemFlush;
- PrivateFile->LHandle = INVALID_HANDLE_VALUE;
- PrivateFile->DirHandle = INVALID_HANDLE_VALUE;
- PrivateFile->IsValidFindBuf = FALSE;
-
- *Root = &PrivateFile->EfiFile;
-
- Status = EFI_SUCCESS;
-
-Done:
- if (EFI_ERROR (Status)) {
- if (PrivateFile) {
- if (PrivateFile->FileName) {
- FreePool (PrivateFile->FileName);
- }
-
- if (PrivateFile->FilePath) {
- FreePool (PrivateFile->FilePath);
- }
-
- FreePool (PrivateFile);
- }
- }
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemOpen (
- IN EFI_FILE *This,
- OUT EFI_FILE **NewHandle,
- IN CHAR16 *FileName,
- IN UINT64 OpenMode,
- IN UINT64 Attributes
- )
-/*++
-
-Routine Description:
-
- Open a file relative to the source file location.
-
-Arguments:
-
- This - A pointer to the source file location.
-
- NewHandle - Pointer to storage for the new file handle.
-
- FileName - Pointer to the file name to be opened.
-
- OpenMode - File open mode information.
-
- Attributes - File creation attributes.
-
-Returns:
-
- EFI_SUCCESS - The file was opened.
-
- EFI_NOT_FOUND - The file could not be found in the volume.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures are corrupted.
-
- EFI_WRITE_PROTECTED - The volume or file is write protected.
-
- EFI_ACCESS_DENIED - The service denied access to the file.
-
- EFI_OUT_OF_RESOURCES - Not enough resources were available to open the file.
-
- EFI_VOLUME_FULL - There is not enough space left to create the new file.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_FILE *Root;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- WIN_NT_EFI_FILE_PRIVATE *NewPrivateFile;
- WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;
- EFI_STATUS Status;
- CHAR16 *RealFileName;
- CHAR16 *TempFileName;
- CHAR16 *ParseFileName;
- CHAR16 *GuardPointer;
- CHAR16 TempChar;
- DWORD LastError;
- UINTN Count;
- BOOLEAN LoopFinish;
- UINTN InfoSize;
- EFI_FILE_INFO *Info;
-
- //
- // Check for obvious invalid parameters.
- //
- if (This == NULL || NewHandle == NULL || FileName == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- switch (OpenMode) {
- case EFI_FILE_MODE_CREATE | EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE:
- if (Attributes &~EFI_FILE_VALID_ATTR) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (Attributes & EFI_FILE_READ_ONLY) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // fall through
- //
- case EFI_FILE_MODE_READ:
- case EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE:
- break;
-
- default:
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Init local variables
- //
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);
- NewPrivateFile = NULL;
-
- //
- // Allocate buffer for FileName as the passed in FileName may be read only
- //
- TempFileName = AllocatePool (StrSize (FileName));
- if (TempFileName == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- StrCpy (TempFileName, FileName);
- FileName = TempFileName;
-
- //
- // BUGBUG: assume an open of root
- // if current location, return current data
- //
- if (StrCmp (FileName, L"\\") == 0 || (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) {
- //
- // BUGBUG: assume an open root
- //
-OpenRoot:
- Status = WinNtSimpleFileSystemOpenVolume (PrivateFile->SimpleFileSystem, &Root);
- NewPrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);
- goto Done;
- }
-
- if (FileName[StrLen (FileName) - 1] == L'\\') {
- FileName[StrLen (FileName) - 1] = 0;
- }
-
- //
- // If file name does not equal to "." or "..",
- // then we trim the leading/trailing blanks and trailing dots
- //
- if (StrCmp (FileName, L".") != 0 && StrCmp (FileName, L"..") != 0) {
- //
- // Trim leading blanks
- //
- Count = 0;
- for (TempFileName = FileName;
- *TempFileName != 0 && *TempFileName == L' ';
- TempFileName++) {
- Count++;
- }
- CutPrefix (FileName, Count);
- //
- // Trim trailing dots and blanks
- //
- for (TempFileName = FileName + StrLen (FileName) - 1;
- TempFileName >= FileName && (*TempFileName == L' ' || *TempFileName == L'.');
- TempFileName--) {
- ;
- }
- *(TempFileName + 1) = 0;
- }
-
- //
- // Attempt to open the file
- //
- NewPrivateFile = AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE));
- if (NewPrivateFile == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- CopyMem (NewPrivateFile, PrivateFile, sizeof (WIN_NT_EFI_FILE_PRIVATE));
-
- NewPrivateFile->FilePath = AllocatePool (StrSize (PrivateFile->FileName));
- if (NewPrivateFile->FilePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- if (PrivateFile->IsDirectoryPath) {
- StrCpy (NewPrivateFile->FilePath, PrivateFile->FileName);
- } else {
- StrCpy (NewPrivateFile->FilePath, PrivateFile->FilePath);
- }
-
- NewPrivateFile->FileName = AllocatePool (StrSize (NewPrivateFile->FilePath) + StrSize (L"\\") + StrSize (FileName));
- if (NewPrivateFile->FileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- if (*FileName == L'\\') {
- StrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);
- StrCat (NewPrivateFile->FileName, L"\\");
- StrCat (NewPrivateFile->FileName, FileName + 1);
- } else {
- StrCpy (NewPrivateFile->FileName, NewPrivateFile->FilePath);
- if (StrCmp (FileName, L"") != 0) {
- //
- // In case the filename becomes empty, especially after trimming dots and blanks
- //
- StrCat (NewPrivateFile->FileName, L"\\");
- StrCat (NewPrivateFile->FileName, FileName);
- }
- }
-
- //
- // Get rid of . and .., except leading . or ..
- //
-
- //
- // GuardPointer protect simplefilesystem root path not be destroyed
- //
- GuardPointer = NewPrivateFile->FileName + StrLen (PrivateRoot->FilePath);
-
- LoopFinish = FALSE;
-
- while (!LoopFinish) {
-
- LoopFinish = TRUE;
-
- for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {
- if (*ParseFileName == L'.' &&
- (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == L'\\') &&
- *(ParseFileName - 1) == L'\\'
- ) {
-
- //
- // cut \.
- //
- CutPrefix (ParseFileName - 1, 2);
- LoopFinish = FALSE;
- break;
- }
-
- if (*ParseFileName == L'.' &&
- *(ParseFileName + 1) == L'.' &&
- (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == L'\\') &&
- *(ParseFileName - 1) == L'\\'
- ) {
-
- ParseFileName--;
- Count = 3;
-
- while (ParseFileName != GuardPointer) {
- ParseFileName--;
- Count++;
- if (*ParseFileName == L'\\') {
- break;
- }
- }
-
- //
- // cut \.. and its left directory
- //
- CutPrefix (ParseFileName, Count);
- LoopFinish = FALSE;
- break;
- }
- }
- }
-
- if (StrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {
- NewPrivateFile->IsRootDirectory = TRUE;
- FreePool (NewPrivateFile->FilePath);
- FreePool (NewPrivateFile->FileName);
- FreePool (NewPrivateFile);
- goto OpenRoot;
- }
-
- RealFileName = NewPrivateFile->FileName;
- while (EfiStrChr (RealFileName, L'\\') != NULL) {
- RealFileName = EfiStrChr (RealFileName, L'\\') + 1;
- }
-
- TempChar = *(RealFileName - 1);
- *(RealFileName - 1) = 0;
-
- FreePool (NewPrivateFile->FilePath);
- NewPrivateFile->FilePath = NULL;
- NewPrivateFile->FilePath = AllocatePool (StrSize (NewPrivateFile->FileName));
- if (NewPrivateFile->FilePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (NewPrivateFile->FilePath, NewPrivateFile->FileName);
-
- *(RealFileName - 1) = TempChar;
-
- NewPrivateFile->IsRootDirectory = FALSE;
-
- //
- // Test whether file or directory
- //
- if (OpenMode & EFI_FILE_MODE_CREATE) {
- if (Attributes & EFI_FILE_DIRECTORY) {
- NewPrivateFile->IsDirectoryPath = TRUE;
- } else {
- NewPrivateFile->IsDirectoryPath = FALSE;
- }
- } else {
- NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;
- NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (
- NewPrivateFile->FileName,
- GENERIC_READ,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL
- );
-
- if (NewPrivateFile->LHandle != INVALID_HANDLE_VALUE) {
- NewPrivateFile->IsDirectoryPath = FALSE;
- NewPrivateFile->WinNtThunk->CloseHandle (NewPrivateFile->LHandle);
- } else {
- NewPrivateFile->IsDirectoryPath = TRUE;
- }
-
- NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;
- }
-
- if (OpenMode & EFI_FILE_MODE_WRITE) {
- NewPrivateFile->IsOpenedByRead = FALSE;
- } else {
- NewPrivateFile->IsOpenedByRead = TRUE;
- }
-
- Status = EFI_SUCCESS;
-
- //
- // deal with directory
- //
- if (NewPrivateFile->IsDirectoryPath) {
-
- TempFileName = AllocatePool (StrSize (NewPrivateFile->FileName) + StrSize (L"\\*"));
- if (TempFileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (TempFileName, NewPrivateFile->FileName);
-
- if ((OpenMode & EFI_FILE_MODE_CREATE)) {
- //
- // Create a directory
- //
- if (!NewPrivateFile->WinNtThunk->CreateDirectory (TempFileName, NULL)) {
-
- LastError = PrivateFile->WinNtThunk->GetLastError ();
- if (LastError != ERROR_ALREADY_EXISTS) {
- FreePool (TempFileName);
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
- }
- }
-
- NewPrivateFile->DirHandle = NewPrivateFile->WinNtThunk->CreateFile (
- TempFileName,
- NewPrivateFile->IsOpenedByRead ? GENERIC_READ : (GENERIC_READ | GENERIC_WRITE),
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS,
- NULL
- );
-
- if (NewPrivateFile->DirHandle == INVALID_HANDLE_VALUE) {
-
- NewPrivateFile->DirHandle = NewPrivateFile->WinNtThunk->CreateFile (
- TempFileName,
- GENERIC_READ,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS,
- NULL
- );
-
- if (NewPrivateFile->DirHandle != INVALID_HANDLE_VALUE) {
- NewPrivateFile->WinNtThunk->CloseHandle (NewPrivateFile->DirHandle);
- NewPrivateFile->DirHandle = INVALID_HANDLE_VALUE;
- Status = EFI_ACCESS_DENIED;
- } else {
- Status = EFI_NOT_FOUND;
- }
-
- goto Done;
- }
-
- //
- // Find the first file under it
- //
- StrCat (TempFileName, L"\\*");
- NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->FindFirstFile (TempFileName, &NewPrivateFile->FindBuf);
-
- if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- NewPrivateFile->IsValidFindBuf = FALSE;
- } else {
- NewPrivateFile->IsValidFindBuf = TRUE;
- }
- } else {
- //
- // deal with file
- //
- if (!NewPrivateFile->IsOpenedByRead) {
- NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (
- NewPrivateFile->FileName,
- GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- (OpenMode & EFI_FILE_MODE_CREATE) ? OPEN_ALWAYS : OPEN_EXISTING,
- 0,
- NULL
- );
-
- if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (
- NewPrivateFile->FileName,
- GENERIC_READ,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL
- );
-
- if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- Status = EFI_NOT_FOUND;
- } else {
- Status = EFI_ACCESS_DENIED;
- NewPrivateFile->WinNtThunk->CloseHandle (NewPrivateFile->LHandle);
- NewPrivateFile->LHandle = INVALID_HANDLE_VALUE;
- }
- }
- } else {
- NewPrivateFile->LHandle = NewPrivateFile->WinNtThunk->CreateFile (
- NewPrivateFile->FileName,
- GENERIC_READ,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL
- );
-
- if (NewPrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- Status = EFI_NOT_FOUND;
- }
- }
- }
-
- if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {
- //
- // Set the attribute
- //
- InfoSize = 0;
- Info = NULL;
-
- Status = WinNtSimpleFileSystemGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);
-
- if (Status != EFI_BUFFER_TOO_SMALL) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- Info = AllocatePool (InfoSize);
- if (Info == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- Status = WinNtSimpleFileSystemGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Info->Attribute = Attributes;
-
- WinNtSimpleFileSystemSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);
- }
-
-Done: ;
- FreePool (FileName);
-
- if (EFI_ERROR (Status)) {
- if (NewPrivateFile) {
- if (NewPrivateFile->FileName) {
- FreePool (NewPrivateFile->FileName);
- }
-
- if (NewPrivateFile->FilePath) {
- FreePool (NewPrivateFile->FilePath);
- }
-
- FreePool (NewPrivateFile);
- }
- } else {
- *NewHandle = &NewPrivateFile->EfiFile;
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemClose (
- IN EFI_FILE *This
- )
-/*++
-
-Routine Description:
-
- Close the specified file handle.
-
-Arguments:
-
- This - Pointer to a returned opened file handle.
-
-Returns:
-
- EFI_SUCCESS - The file handle has been closed.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_TPL OldTpl;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {
- if (PrivateFile->IsDirectoryPath) {
- PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);
- } else {
- PrivateFile->WinNtThunk->CloseHandle (PrivateFile->LHandle);
- }
-
- PrivateFile->LHandle = INVALID_HANDLE_VALUE;
- }
-
- if (PrivateFile->IsDirectoryPath && PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {
- PrivateFile->WinNtThunk->CloseHandle (PrivateFile->DirHandle);
- PrivateFile->DirHandle = INVALID_HANDLE_VALUE;
- }
-
- if (PrivateFile->FileName) {
- FreePool (PrivateFile->FileName);
- }
-
- FreePool (PrivateFile);
-
- gBS->RestoreTPL (OldTpl);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemDelete (
- IN EFI_FILE *This
- )
-/*++
-
-Routine Description:
-
- Close and delete a file.
-
-Arguments:
-
- This - Pointer to a returned opened file handle.
-
-Returns:
-
- EFI_SUCCESS - The file handle was closed and deleted.
-
- EFI_WARN_DELETE_FAILURE - The handle was closed but could not be deleted.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_STATUS Status;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_TPL OldTpl;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- Status = EFI_WARN_DELETE_FAILURE;
-
- if (PrivateFile->IsDirectoryPath) {
- if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {
- PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);
- }
-
- if (PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {
- PrivateFile->WinNtThunk->CloseHandle (PrivateFile->DirHandle);
- PrivateFile->DirHandle = INVALID_HANDLE_VALUE;
- }
-
- if (PrivateFile->WinNtThunk->RemoveDirectory (PrivateFile->FileName)) {
- Status = EFI_SUCCESS;
- }
- } else {
- PrivateFile->WinNtThunk->CloseHandle (PrivateFile->LHandle);
- PrivateFile->LHandle = INVALID_HANDLE_VALUE;
-
- if (!PrivateFile->IsOpenedByRead) {
- if (PrivateFile->WinNtThunk->DeleteFile (PrivateFile->FileName)) {
- Status = EFI_SUCCESS;
- }
- }
- }
-
- FreePool (PrivateFile->FileName);
- FreePool (PrivateFile);
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-STATIC
-VOID
-WinNtSystemTimeToEfiTime (
- IN SYSTEMTIME *SystemTime,
- IN TIME_ZONE_INFORMATION *TimeZone,
- OUT EFI_TIME *Time
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- SystemTime - TODO: add argument description
- TimeZone - TODO: add argument description
- Time - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-{
- Time->Year = (UINT16) SystemTime->wYear;
- Time->Month = (UINT8) SystemTime->wMonth;
- Time->Day = (UINT8) SystemTime->wDay;
- Time->Hour = (UINT8) SystemTime->wHour;
- Time->Minute = (UINT8) SystemTime->wMinute;
- Time->Second = (UINT8) SystemTime->wSecond;
- Time->Nanosecond = (UINT32) SystemTime->wMilliseconds * 1000000;
- Time->TimeZone = (INT16) TimeZone->Bias;
-
- if (TimeZone->StandardDate.wMonth) {
- Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;
- }
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemRead (
- IN EFI_FILE *This,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-/*++
-
-Routine Description:
-
- Read data from a file.
-
-Arguments:
-
- This - Pointer to a returned open file handle.
-
- BufferSize - On input, the size of the Buffer. On output, the number of bytes stored in the Buffer.
-
- Buffer - Pointer to the first byte of the read Buffer.
-
-Returns:
-
- EFI_SUCCESS - The data was read.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures are corrupted.
-
- EFI_BUFFER_TOO_SMALL - The supplied buffer size was too small to store the current directory entry.
- *BufferSize has been updated with the size needed to complete the request.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_STATUS Status;
- UINTN Size;
- UINTN NameSize;
- UINTN ResultSize;
- UINTN Index;
- SYSTEMTIME SystemTime;
- EFI_FILE_INFO *Info;
- WCHAR *pw;
- TIME_ZONE_INFORMATION TimeZone;
- EFI_FILE_INFO *FileInfo;
- UINT64 Pos;
- UINT64 FileSize;
- UINTN FileInfoSize;
- EFI_TPL OldTpl;
-
- if (This == NULL || BufferSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- if (!PrivateFile->IsDirectoryPath) {
-
- if (This->GetPosition (This, &Pos) != EFI_SUCCESS) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- FileInfoSize = SIZE_OF_EFI_FILE_SYSTEM_INFO;
- FileInfo = AllocatePool (FileInfoSize);
-
- Status = This->GetInfo (
- This,
- &gEfiFileInfoGuid,
- &FileInfoSize,
- FileInfo
- );
-
- if (Status == EFI_BUFFER_TOO_SMALL) {
- FreePool (FileInfo);
- FileInfo = AllocatePool (FileInfoSize);
- Status = This->GetInfo (
- This,
- &gEfiFileInfoGuid,
- &FileInfoSize,
- FileInfo
- );
- }
-
- if (EFI_ERROR (Status)) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- FileSize = FileInfo->FileSize;
-
- FreePool (FileInfo);
-
- if (Pos >= FileSize) {
- *BufferSize = 0;
- if (Pos == FileSize) {
- Status = EFI_SUCCESS;
- goto Done;
- } else {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
- }
-
- Status = PrivateFile->WinNtThunk->ReadFile (
- PrivateFile->LHandle,
- Buffer,
- *BufferSize,
- BufferSize,
- NULL
- ) ? EFI_SUCCESS : EFI_DEVICE_ERROR;
- goto Done;
- }
-
- //
- // Read on a directory. Perform a find next
- //
- if (!PrivateFile->IsValidFindBuf) {
- *BufferSize = 0;
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- Size = SIZE_OF_EFI_FILE_INFO;
-
- NameSize = StrSize (PrivateFile->FindBuf.cFileName);
-
- ResultSize = Size + NameSize;
-
- Status = EFI_BUFFER_TOO_SMALL;
-
- if (*BufferSize >= ResultSize) {
- Status = EFI_SUCCESS;
-
- Info = Buffer;
- ZeroMem (Info, ResultSize);
-
- Info->Size = ResultSize;
-
- PrivateFile->WinNtThunk->GetTimeZoneInformation (&TimeZone);
-
- PrivateFile->WinNtThunk->FileTimeToLocalFileTime (
- &PrivateFile->FindBuf.ftCreationTime,
- &PrivateFile->FindBuf.ftCreationTime
- );
-
- PrivateFile->WinNtThunk->FileTimeToSystemTime (&PrivateFile->FindBuf.ftCreationTime, &SystemTime);
-
- WinNtSystemTimeToEfiTime (&SystemTime, &TimeZone, &Info->CreateTime);
-
- PrivateFile->WinNtThunk->FileTimeToLocalFileTime (
- &PrivateFile->FindBuf.ftLastWriteTime,
- &PrivateFile->FindBuf.ftLastWriteTime
- );
-
- PrivateFile->WinNtThunk->FileTimeToSystemTime (&PrivateFile->FindBuf.ftLastWriteTime, &SystemTime);
-
- WinNtSystemTimeToEfiTime (&SystemTime, &TimeZone, &Info->ModificationTime);
-
- Info->FileSize = PrivateFile->FindBuf.nFileSizeLow;
-
- Info->PhysicalSize = PrivateFile->FindBuf.nFileSizeLow;
-
- if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
- Info->Attribute |= EFI_FILE_ARCHIVE;
- }
-
- if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
- Info->Attribute |= EFI_FILE_HIDDEN;
- }
-
- if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {
- Info->Attribute |= EFI_FILE_SYSTEM;
- }
-
- if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
- Info->Attribute |= EFI_FILE_READ_ONLY;
- }
-
- if (PrivateFile->FindBuf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- Info->Attribute |= EFI_FILE_DIRECTORY;
- }
-
- NameSize = NameSize / sizeof (WCHAR);
-
- pw = (WCHAR *) (((CHAR8 *) Buffer) + Size);
-
- for (Index = 0; Index < NameSize; Index++) {
- pw[Index] = PrivateFile->FindBuf.cFileName[Index];
- }
-
- if (PrivateFile->WinNtThunk->FindNextFile (PrivateFile->LHandle, &PrivateFile->FindBuf)) {
- PrivateFile->IsValidFindBuf = TRUE;
- } else {
- PrivateFile->IsValidFindBuf = FALSE;
- }
- }
-
- *BufferSize = ResultSize;
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemWrite (
- IN EFI_FILE *This,
- IN OUT UINTN *BufferSize,
- IN VOID *Buffer
- )
-/*++
-
-Routine Description:
-
- Write data to a file.
-
-Arguments:
-
- This - Pointer to an opened file handle.
-
- BufferSize - On input, the number of bytes in the Buffer to write to the file. On output, the number of bytes
- of data written to the file.
-
- Buffer - Pointer to the first by of data in the buffer to write to the file.
-
-Returns:
-
- EFI_SUCCESS - The data was written to the file.
-
- EFI_UNSUPPORTED - Writes to an open directory are not supported.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures are corrupt.
-
- EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.
-
- EFI_ACCESS_DENIED - The file was opened read-only.
-
- EFI_VOLUME_FULL - The volume is full.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- if (This == NULL || BufferSize == NULL || Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- if (PrivateFile->IsDirectoryPath) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- if (PrivateFile->IsOpenedByRead) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- Status = PrivateFile->WinNtThunk->WriteFile (
- PrivateFile->LHandle,
- Buffer,
- *BufferSize,
- BufferSize,
- NULL
- ) ? EFI_SUCCESS : EFI_DEVICE_ERROR;
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-
- //
- // bugbug: need to access windows error reporting
- //
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemSetPosition (
- IN EFI_FILE *This,
- IN UINT64 Position
- )
-/*++
-
-Routine Description:
-
- Set a file's current position.
-
-Arguments:
-
- This - Pointer to an opened file handle.
-
- Position - The byte position from the start of the file to set.
-
-Returns:
-
- EFI_SUCCESS - The file position has been changed.
-
- EFI_UNSUPPORTED - The seek request for non-zero is not supported for directories.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_STATUS Status;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- UINT32 PosLow;
- UINT32 PosHigh;
- CHAR16 *FileName;
- EFI_TPL OldTpl;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->IsDirectoryPath) {
- if (Position != 0) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- FileName = AllocatePool (StrSize (PrivateFile->FileName) + StrSize (L"\\*"));
- if (FileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (FileName, PrivateFile->FileName);
- StrCat (FileName, L"\\*");
-
- if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {
- PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);
- }
-
- PrivateFile->LHandle = PrivateFile->WinNtThunk->FindFirstFile (FileName, &PrivateFile->FindBuf);
-
- if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- PrivateFile->IsValidFindBuf = FALSE;
- } else {
- PrivateFile->IsValidFindBuf = TRUE;
- }
-
- FreePool (FileName);
-
- Status = (PrivateFile->LHandle == INVALID_HANDLE_VALUE) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
- } else {
- if (Position == (UINT64) -1) {
- PosLow = PrivateFile->WinNtThunk->SetFilePointer (PrivateFile->LHandle, (ULONG) 0, NULL, FILE_END);
- } else {
- PosHigh = (UINT32) RShiftU64 (Position, 32);
-
- PosLow = PrivateFile->WinNtThunk->SetFilePointer (PrivateFile->LHandle, (ULONG) Position, &PosHigh, FILE_BEGIN);
- }
-
- Status = (PosLow == 0xFFFFFFFF) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
- }
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemGetPosition (
- IN EFI_FILE *This,
- OUT UINT64 *Position
- )
-/*++
-
-Routine Description:
-
- Get a file's current position.
-
-Arguments:
-
- This - Pointer to an opened file handle.
-
- Position - Pointer to storage for the current position.
-
-Returns:
-
- EFI_SUCCESS - The file position has been reported.
-
- EFI_UNSUPPORTED - Not valid for directories.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_STATUS Status;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- INT32 PositionHigh;
- UINT64 PosHigh64;
- EFI_TPL OldTpl;
-
- if (This == NULL || Position == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- PositionHigh = 0;
- PosHigh64 = 0;
-
- if (PrivateFile->IsDirectoryPath) {
-
- Status = EFI_UNSUPPORTED;
- goto Done;
-
- } else {
-
- PositionHigh = 0;
- *Position = PrivateFile->WinNtThunk->SetFilePointer (
- PrivateFile->LHandle,
- 0,
- &PositionHigh,
- FILE_CURRENT
- );
-
- Status = *Position == 0xffffffff ? EFI_DEVICE_ERROR : EFI_SUCCESS;
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- PosHigh64 = PositionHigh;
- *Position += LShiftU64 (PosHigh64, 32);
- }
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-STATIC
-EFI_STATUS
-WinNtSimpleFileSystemFileInfo (
- IN WIN_NT_EFI_FILE_PRIVATE *PrivateFile,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- PrivateFile - TODO: add argument description
- BufferSize - TODO: add argument description
- Buffer - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-{
- EFI_STATUS Status;
- UINTN Size;
- UINTN NameSize;
- UINTN ResultSize;
- EFI_FILE_INFO *Info;
- BY_HANDLE_FILE_INFORMATION FileInfo;
- SYSTEMTIME SystemTime;
- CHAR16 *RealFileName;
- CHAR16 *TempPointer;
- EFI_FILE_INFO *DirInfo;
- UINTN ReadSize;
- UINT64 Location;
- EFI_STATUS DirStatus;
-
-
- Size = SIZE_OF_EFI_FILE_INFO;
- NameSize = StrSize (PrivateFile->FileName);
- ResultSize = Size + NameSize;
-
- Status = EFI_BUFFER_TOO_SMALL;
- if (*BufferSize >= ResultSize) {
- Status = EFI_SUCCESS;
-
- Info = Buffer;
- ZeroMem (Info, ResultSize);
-
- Info->Size = ResultSize;
- PrivateFile->WinNtThunk->GetFileInformationByHandle (
- PrivateFile->IsDirectoryPath ? PrivateFile->DirHandle : PrivateFile->LHandle,
- &FileInfo
- );
- Info->FileSize = FileInfo.nFileSizeLow;
- Info->PhysicalSize = Info->FileSize;
-
- PrivateFile->WinNtThunk->FileTimeToSystemTime (&FileInfo.ftCreationTime, &SystemTime);
- Info->CreateTime.Year = SystemTime.wYear;
- Info->CreateTime.Month = (UINT8) SystemTime.wMonth;
- Info->CreateTime.Day = (UINT8) SystemTime.wDay;
- Info->CreateTime.Hour = (UINT8) SystemTime.wHour;
- Info->CreateTime.Minute = (UINT8) SystemTime.wMinute;
- Info->CreateTime.Second = (UINT8) SystemTime.wSecond;
-
- PrivateFile->WinNtThunk->FileTimeToSystemTime (&FileInfo.ftLastAccessTime, &SystemTime);
- Info->LastAccessTime.Year = SystemTime.wYear;
- Info->LastAccessTime.Month = (UINT8) SystemTime.wMonth;
- Info->LastAccessTime.Day = (UINT8) SystemTime.wDay;
- Info->LastAccessTime.Hour = (UINT8) SystemTime.wHour;
- Info->LastAccessTime.Minute = (UINT8) SystemTime.wMinute;
- Info->LastAccessTime.Second = (UINT8) SystemTime.wSecond;
-
- PrivateFile->WinNtThunk->FileTimeToSystemTime (&FileInfo.ftLastWriteTime, &SystemTime);
- Info->ModificationTime.Year = SystemTime.wYear;
- Info->ModificationTime.Month = (UINT8) SystemTime.wMonth;
- Info->ModificationTime.Day = (UINT8) SystemTime.wDay;
- Info->ModificationTime.Hour = (UINT8) SystemTime.wHour;
- Info->ModificationTime.Minute = (UINT8) SystemTime.wMinute;
- Info->ModificationTime.Second = (UINT8) SystemTime.wSecond;
-
- if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
- Info->Attribute |= EFI_FILE_ARCHIVE;
- }
-
- if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
- Info->Attribute |= EFI_FILE_HIDDEN;
- }
-
- if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
- Info->Attribute |= EFI_FILE_READ_ONLY;
- }
-
- if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {
- Info->Attribute |= EFI_FILE_SYSTEM;
- }
-
- if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- Info->Attribute |= EFI_FILE_DIRECTORY;
- }
-
- if (PrivateFile->IsDirectoryPath) {
- Info->Attribute |= EFI_FILE_DIRECTORY;
- }
-
- RealFileName = PrivateFile->FileName;
- TempPointer = RealFileName;
-
- while (*TempPointer) {
- if (*TempPointer == '\\') {
- RealFileName = TempPointer + 1;
- }
-
- TempPointer++;
- }
-
- if (PrivateFile->IsRootDirectory) {
- *((CHAR8 *) Buffer + Size) = 0;
- } else {
- CopyMem ((CHAR8 *) Buffer + Size, RealFileName, NameSize);
- }
-
- if (Info->Attribute & EFI_FILE_DIRECTORY) {
- //
- // The GetFileInformationByHandle.nFileSizeLow is bogus for dir so we
- // need to do the same thing the caller would do to get the right value
- //
- ASSERT (PrivateFile->EfiFile.Read != NULL);
- DirStatus = PrivateFile->EfiFile.GetPosition (&PrivateFile->EfiFile, &Location);
- if (EFI_ERROR (DirStatus)) {
- Location = 0;
- }
-
- PrivateFile->EfiFile.SetPosition (&PrivateFile->EfiFile, 0);
- Info->FileSize = 0;
- do {
- ReadSize = 0;
- DirInfo = NULL;
- DirStatus = PrivateFile->EfiFile.Read (&PrivateFile->EfiFile, &ReadSize, DirInfo);
- if (DirStatus == EFI_BUFFER_TOO_SMALL) {
- DirInfo = AllocatePool (ReadSize);
- if (DirInfo != NULL) {
- //
- // Read each dir entry to figure out how big the directory is
- //
- DirStatus = PrivateFile->EfiFile.Read (&PrivateFile->EfiFile, &ReadSize, DirInfo);
- if (!EFI_ERROR (DirStatus) && (ReadSize != 0)) {
- Info->FileSize += ReadSize;
- }
- FreePool (DirInfo);
- }
- }
-
- } while (!EFI_ERROR (DirStatus) && (ReadSize != 0));
-
- //
- // reset the file possition back to the previous location
- //
- PrivateFile->EfiFile.SetPosition (&PrivateFile->EfiFile, Location);
- }
- }
-
- *BufferSize = ResultSize;
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemGetInfo (
- IN EFI_FILE *This,
- IN EFI_GUID *InformationType,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-/*++
-
-Routine Description:
-
- Return information about a file or volume.
-
-Arguments:
-
- This - Pointer to an opened file handle.
-
- InformationType - GUID describing the type of information to be returned.
-
- BufferSize - On input, the size of the information buffer. On output, the number of bytes written to the
- information buffer.
-
- Buffer - Pointer to the first byte of the information buffer.
-
-Returns:
-
- EFI_SUCCESS - The requested information has been written into the buffer.
-
- EFI_UNSUPPORTED - The InformationType is not known.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures are corrupt.
-
- EFI_BUFFER_TOO_SMALL - The buffer size was too small to contain the requested information. The buffer size has
- been updated with the size needed to complete the requested operation.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- EFI_STATUS Status;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;
- UINT32 SectorsPerCluster;
- UINT32 BytesPerSector;
- UINT32 FreeClusters;
- UINT32 TotalClusters;
- UINT32 BytesPerCluster;
- CHAR16 *DriveName;
- BOOLEAN DriveNameFound;
- BOOL NtStatus;
- UINTN Index;
- WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;
- EFI_TPL OldTpl;
-
- if (This == NULL || InformationType == NULL || BufferSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);
-
- Status = EFI_UNSUPPORTED;
-
- if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {
- Status = WinNtSimpleFileSystemFileInfo (PrivateFile, BufferSize, Buffer);
- }
-
- if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {
- if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {
- *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);
- Status = EFI_BUFFER_TOO_SMALL;
- goto Done;
- }
-
- FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer;
- FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);
- FileSystemInfoBuffer->ReadOnly = FALSE;
-
- //
- // Try to get the drive name
- //
- DriveNameFound = FALSE;
- DriveName = AllocatePool (StrSize (PrivateFile->FilePath) + 1);
- if (DriveName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (DriveName, PrivateFile->FilePath);
- for (Index = 0; DriveName[Index] != 0 && DriveName[Index] != ':'; Index++) {
- ;
- }
-
- if (DriveName[Index] == ':') {
- DriveName[Index + 1] = '\\';
- DriveName[Index + 2] = 0;
- DriveNameFound = TRUE;
- } else if (DriveName[0] == '\\' && DriveName[1] == '\\') {
- for (Index = 2; DriveName[Index] != 0 && DriveName[Index] != '\\'; Index++) {
- ;
- }
-
- if (DriveName[Index] == '\\') {
- DriveNameFound = TRUE;
- for (Index++; DriveName[Index] != 0 && DriveName[Index] != '\\'; Index++) {
- ;
- }
-
- DriveName[Index] = '\\';
- DriveName[Index + 1] = 0;
- }
- }
-
- //
- // Try GetDiskFreeSpace first
- //
- NtStatus = PrivateFile->WinNtThunk->GetDiskFreeSpace (
- DriveNameFound ? DriveName : NULL,
- &SectorsPerCluster,
- &BytesPerSector,
- &FreeClusters,
- &TotalClusters
- );
- if (DriveName) {
- FreePool (DriveName);
- }
-
- if (NtStatus) {
- //
- // Succeeded
- //
- BytesPerCluster = BytesPerSector * SectorsPerCluster;
- FileSystemInfoBuffer->VolumeSize = MultU64x32 (TotalClusters, BytesPerCluster);
- FileSystemInfoBuffer->FreeSpace = MultU64x32 (FreeClusters, BytesPerCluster);
- FileSystemInfoBuffer->BlockSize = BytesPerCluster;
-
- } else {
- //
- // try GetDiskFreeSpaceEx then
- //
- FileSystemInfoBuffer->BlockSize = 0;
- NtStatus = PrivateFile->WinNtThunk->GetDiskFreeSpaceEx (
- PrivateFile->FilePath,
- (PULARGE_INTEGER) (&FileSystemInfoBuffer->FreeSpace),
- (PULARGE_INTEGER) (&FileSystemInfoBuffer->VolumeSize),
- NULL
- );
- if (!NtStatus) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
- }
-
- StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);
- *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);
- Status = EFI_SUCCESS;
- }
-
- if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {
- if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {
- *BufferSize = StrSize (PrivateRoot->VolumeLabel);
- Status = EFI_BUFFER_TOO_SMALL;
- goto Done;
- }
-
- StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel);
- *BufferSize = StrSize (PrivateRoot->VolumeLabel);
- Status = EFI_SUCCESS;
- }
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemSetInfo (
- IN EFI_FILE *This,
- IN EFI_GUID *InformationType,
- IN UINTN BufferSize,
- IN VOID *Buffer
- )
-/*++
-
-Routine Description:
-
- Set information about a file or volume.
-
-Arguments:
-
- This - Pointer to an opened file handle.
-
- InformationType - GUID identifying the type of information to set.
-
- BufferSize - Number of bytes of data in the information buffer.
-
- Buffer - Pointer to the first byte of data in the information buffer.
-
-Returns:
-
- EFI_SUCCESS - The file or volume information has been updated.
-
- EFI_UNSUPPORTED - The information identifier is not recognised.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures are corrupt.
-
- EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.
-
- EFI_ACCESS_DENIED - The file was opened read-only.
-
- EFI_VOLUME_FULL - The volume is full.
-
- EFI_BAD_BUFFER_SIZE - The buffer size is smaller than the type indicated by InformationType.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_FILE_INFO *OldFileInfo;
- EFI_FILE_INFO *NewFileInfo;
- EFI_STATUS Status;
- UINTN OldInfoSize;
- INTN NtStatus;
- UINT32 NewAttr;
- UINT32 OldAttr;
- CHAR16 *OldFileName;
- CHAR16 *NewFileName;
- CHAR16 *TempFileName;
- CHAR16 *CharPointer;
- BOOLEAN AttrChangeFlag;
- BOOLEAN NameChangeFlag;
- BOOLEAN SizeChangeFlag;
- BOOLEAN TimeChangeFlag;
- UINT64 CurPos;
- SYSTEMTIME NewCreationSystemTime;
- SYSTEMTIME NewLastAccessSystemTime;
- SYSTEMTIME NewLastWriteSystemTime;
- FILETIME NewCreationFileTime;
- FILETIME NewLastAccessFileTime;
- FILETIME NewLastWriteFileTime;
- WIN32_FIND_DATA FindBuf;
- EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;
- EFI_TPL OldTpl;
-
- //
- // Check for invalid parameters.
- //
- if (This == NULL || InformationType == NULL || BufferSize == 0 || Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- //
- // Initialise locals.
- //
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- PrivateRoot = WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);
-
- Status = EFI_UNSUPPORTED;
- OldFileInfo = NewFileInfo = NULL;
- OldFileName = NewFileName = NULL;
- AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;
-
- //
- // Set file system information.
- //
- if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {
- if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {
- Status = EFI_BAD_BUFFER_SIZE;
- goto Done;
- }
-
- NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;
-
- FreePool (PrivateRoot->VolumeLabel);
- PrivateRoot->VolumeLabel = AllocatePool (StrSize (NewFileSystemInfo->VolumeLabel));
- if (PrivateRoot->VolumeLabel == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel);
-
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- //
- // Set volume label information.
- //
- if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {
- if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {
- Status = EFI_BAD_BUFFER_SIZE;
- goto Done;
- }
-
- StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *) Buffer);
-
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- if (BufferSize < SIZE_OF_EFI_FILE_INFO) {
- Status = EFI_BAD_BUFFER_SIZE;
- goto Done;
- }
-
- //
- // Set file/directory information.
- //
-
- //
- // Check for invalid set file information parameters.
- //
- NewFileInfo = (EFI_FILE_INFO *) Buffer;
-
- if (NewFileInfo->Size <= sizeof (EFI_FILE_INFO) ||
- (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||
- (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF)
- ) {
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- }
-
- //
- // bugbug: - This is not safe. We need something like EfiStrMaxSize()
- // that would have an additional parameter that would be the size
- // of the string array just in case there are no NULL characters in
- // the string array.
- //
- //
- // Get current file information so we can determine what kind
- // of change request this is.
- //
- OldInfoSize = 0;
- Status = WinNtSimpleFileSystemFileInfo (PrivateFile, &OldInfoSize, NULL);
-
- if (Status != EFI_BUFFER_TOO_SMALL) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- OldFileInfo = AllocatePool (OldInfoSize);
- if (OldFileInfo == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- Status = WinNtSimpleFileSystemFileInfo (PrivateFile, &OldInfoSize, OldFileInfo);
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- OldFileName = AllocatePool (StrSize (PrivateFile->FileName));
- if (OldFileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (OldFileName, PrivateFile->FileName);
-
- //
- // Make full pathname from new filename and rootpath.
- //
- if (NewFileInfo->FileName[0] == '\\') {
- NewFileName = AllocatePool (StrSize (PrivateRoot->FilePath) + StrSize (L"\\") + StrSize (NewFileInfo->FileName));
- if (NewFileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (NewFileName, PrivateRoot->FilePath);
- StrCat (NewFileName, L"\\");
- StrCat (NewFileName, NewFileInfo->FileName + 1);
- } else {
- NewFileName = AllocatePool (StrSize (PrivateFile->FilePath) + StrSize (L"\\") + StrSize (NewFileInfo->FileName));
- if (NewFileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (NewFileName, PrivateFile->FilePath);
- StrCat (NewFileName, L"\\");
- StrCat (NewFileName, NewFileInfo->FileName);
- }
-
- //
- // Is there an attribute change request?
- //
- if (NewFileInfo->Attribute != OldFileInfo->Attribute) {
- if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {
- Status = EFI_INVALID_PARAMETER;
- goto Done;
- }
-
- AttrChangeFlag = TRUE;
- }
-
- //
- // Is there a name change request?
- // bugbug: - Need EfiStrCaseCmp()
- //
- if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {
- NameChangeFlag = TRUE;
- }
-
- //
- // Is there a size change request?
- //
- if (NewFileInfo->FileSize != OldFileInfo->FileSize) {
- SizeChangeFlag = TRUE;
- }
-
- //
- // Is there a time stamp change request?
- //
- if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&
- CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))
- ) {
- TimeChangeFlag = TRUE;
- } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&
- CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))
- ) {
- TimeChangeFlag = TRUE;
- } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&
- CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))
- ) {
- TimeChangeFlag = TRUE;
- }
-
- //
- // All done if there are no change requests being made.
- //
- if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- //
- // Set file or directory information.
- //
- OldAttr = PrivateFile->WinNtThunk->GetFileAttributes (OldFileName);
-
- //
- // Name change.
- //
- if (NameChangeFlag) {
- //
- // Close the handles first
- //
- if (PrivateFile->IsOpenedByRead) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {
- }
-
- if (*CharPointer != 0) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- if (PrivateFile->LHandle != INVALID_HANDLE_VALUE) {
- if (PrivateFile->IsDirectoryPath) {
- PrivateFile->WinNtThunk->FindClose (PrivateFile->LHandle);
- } else {
- PrivateFile->WinNtThunk->CloseHandle (PrivateFile->LHandle);
- PrivateFile->LHandle = INVALID_HANDLE_VALUE;
- }
- }
-
- if (PrivateFile->IsDirectoryPath && PrivateFile->DirHandle != INVALID_HANDLE_VALUE) {
- PrivateFile->WinNtThunk->CloseHandle (PrivateFile->DirHandle);
- PrivateFile->DirHandle = INVALID_HANDLE_VALUE;
- }
-
- NtStatus = PrivateFile->WinNtThunk->MoveFile (OldFileName, NewFileName);
-
- if (NtStatus) {
- //
- // modify file name
- //
- FreePool (PrivateFile->FileName);
-
- PrivateFile->FileName = AllocatePool (StrSize (NewFileName));
- if (PrivateFile->FileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- StrCpy (PrivateFile->FileName, NewFileName);
-
- TempFileName = AllocatePool (StrSize (NewFileName) + StrSize (L"\\*"));
-
- StrCpy (TempFileName, NewFileName);
-
- if (!PrivateFile->IsDirectoryPath) {
- PrivateFile->LHandle = PrivateFile->WinNtThunk->CreateFile (
- TempFileName,
- PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL
- );
-
- FreePool (TempFileName);
-
- //
- // Flush buffers just in case
- //
- if (PrivateFile->WinNtThunk->FlushFileBuffers (PrivateFile->LHandle) == 0) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
- } else {
- PrivateFile->DirHandle = PrivateFile->WinNtThunk->CreateFile (
- TempFileName,
- PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS,
- NULL
- );
-
- StrCat (TempFileName, L"\\*");
- PrivateFile->LHandle = PrivateFile->WinNtThunk->FindFirstFile (TempFileName, &FindBuf);
-
- FreePool (TempFileName);
- }
- } else {
-Reopen: ;
- Status = EFI_DEVICE_ERROR;
-
- NtStatus = PrivateFile->WinNtThunk->SetFileAttributes (OldFileName, OldAttr);
-
- if (!NtStatus) {
- goto Done;
- }
-
- TempFileName = AllocatePool (StrSize (OldFileName) + StrSize (L"\\*"));
-
- StrCpy (TempFileName, OldFileName);
-
- if (!PrivateFile->IsDirectoryPath) {
- PrivateFile->LHandle = PrivateFile->WinNtThunk->CreateFile (
- TempFileName,
- PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL
- );
- } else {
- PrivateFile->DirHandle = PrivateFile->WinNtThunk->CreateFile (
- TempFileName,
- PrivateFile->IsOpenedByRead ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS,
- NULL
- );
-
- StrCat (TempFileName, L"\\*");
- PrivateFile->LHandle = PrivateFile->WinNtThunk->FindFirstFile (TempFileName, &FindBuf);
- }
-
- FreePool (TempFileName);
-
- goto Done;
-
- }
- }
-
- //
- // Size change
- //
- if (SizeChangeFlag) {
- if (PrivateFile->IsDirectoryPath) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- Status = This->GetPosition (This, &CurPos);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = This->SetPosition (This, NewFileInfo->FileSize);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- if (PrivateFile->WinNtThunk->SetEndOfFile (PrivateFile->LHandle) == 0) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- Status = This->SetPosition (This, CurPos);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- }
-
- //
- // Time change
- //
- if (TimeChangeFlag) {
-
- NewCreationSystemTime.wYear = NewFileInfo->CreateTime.Year;
- NewCreationSystemTime.wMonth = NewFileInfo->CreateTime.Month;
- NewCreationSystemTime.wDay = NewFileInfo->CreateTime.Day;
- NewCreationSystemTime.wHour = NewFileInfo->CreateTime.Hour;
- NewCreationSystemTime.wMinute = NewFileInfo->CreateTime.Minute;
- NewCreationSystemTime.wSecond = NewFileInfo->CreateTime.Second;
- NewCreationSystemTime.wMilliseconds = 0;
-
- if (!PrivateFile->WinNtThunk->SystemTimeToFileTime (
- &NewCreationSystemTime,
- &NewCreationFileTime
- )) {
- goto Done;
- }
-
- NewLastAccessSystemTime.wYear = NewFileInfo->LastAccessTime.Year;
- NewLastAccessSystemTime.wMonth = NewFileInfo->LastAccessTime.Month;
- NewLastAccessSystemTime.wDay = NewFileInfo->LastAccessTime.Day;
- NewLastAccessSystemTime.wHour = NewFileInfo->LastAccessTime.Hour;
- NewLastAccessSystemTime.wMinute = NewFileInfo->LastAccessTime.Minute;
- NewLastAccessSystemTime.wSecond = NewFileInfo->LastAccessTime.Second;
- NewLastAccessSystemTime.wMilliseconds = 0;
-
- if (!PrivateFile->WinNtThunk->SystemTimeToFileTime (
- &NewLastAccessSystemTime,
- &NewLastAccessFileTime
- )) {
- goto Done;
- }
-
- NewLastWriteSystemTime.wYear = NewFileInfo->ModificationTime.Year;
- NewLastWriteSystemTime.wMonth = NewFileInfo->ModificationTime.Month;
- NewLastWriteSystemTime.wDay = NewFileInfo->ModificationTime.Day;
- NewLastWriteSystemTime.wHour = NewFileInfo->ModificationTime.Hour;
- NewLastWriteSystemTime.wMinute = NewFileInfo->ModificationTime.Minute;
- NewLastWriteSystemTime.wSecond = NewFileInfo->ModificationTime.Second;
- NewLastWriteSystemTime.wMilliseconds = 0;
-
- if (!PrivateFile->WinNtThunk->SystemTimeToFileTime (
- &NewLastWriteSystemTime,
- &NewLastWriteFileTime
- )) {
- goto Done;
- }
-
- if (!PrivateFile->WinNtThunk->SetFileTime (
- PrivateFile->IsDirectoryPath ? PrivateFile->DirHandle : PrivateFile->LHandle,
- &NewCreationFileTime,
- &NewLastAccessFileTime,
- &NewLastWriteFileTime
- )) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- }
-
- //
- // No matter about AttrChangeFlag, Attribute must be set.
- // Because operation before may cause attribute change.
- //
- NewAttr = OldAttr;
-
- if (NewFileInfo->Attribute & EFI_FILE_ARCHIVE) {
- NewAttr |= FILE_ATTRIBUTE_ARCHIVE;
- } else {
- NewAttr &= ~FILE_ATTRIBUTE_ARCHIVE;
- }
-
- if (NewFileInfo->Attribute & EFI_FILE_HIDDEN) {
- NewAttr |= FILE_ATTRIBUTE_HIDDEN;
- } else {
- NewAttr &= ~FILE_ATTRIBUTE_HIDDEN;
- }
-
- if (NewFileInfo->Attribute & EFI_FILE_SYSTEM) {
- NewAttr |= FILE_ATTRIBUTE_SYSTEM;
- } else {
- NewAttr &= ~FILE_ATTRIBUTE_SYSTEM;
- }
-
- if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {
- NewAttr |= FILE_ATTRIBUTE_READONLY;
- } else {
- NewAttr &= ~FILE_ATTRIBUTE_READONLY;
- }
-
- NtStatus = PrivateFile->WinNtThunk->SetFileAttributes (NewFileName, NewAttr);
-
- if (!NtStatus) {
- goto Reopen;
- }
-
-Done:
- if (OldFileInfo != NULL) {
- FreePool (OldFileInfo);
- }
-
- if (OldFileName != NULL) {
- FreePool (OldFileName);
- }
-
- if (NewFileName != NULL) {
- FreePool (NewFileName);
- }
-
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtSimpleFileSystemFlush (
- IN EFI_FILE *This
- )
-/*++
-
-Routine Description:
-
- Flush all modified data to the media.
-
-Arguments:
-
- This - Pointer to an opened file handle.
-
-Returns:
-
- EFI_SUCCESS - The data has been flushed.
-
- EFI_NO_MEDIA - The device has no media.
-
- EFI_DEVICE_ERROR - The device reported an error.
-
- EFI_VOLUME_CORRUPTED - The file system structures have been corrupted.
-
- EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.
-
- EFI_ACCESS_DENIED - The file was opened read-only.
-
- EFI_VOLUME_FULL - The volume is full.
-
---*/
-// TODO: EFI_INVALID_PARAMETER - add return value to function comment
-{
- BY_HANDLE_FILE_INFORMATION FileInfo;
- WIN_NT_EFI_FILE_PRIVATE *PrivateFile;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- PrivateFile = WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->LHandle == INVALID_HANDLE_VALUE) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- if (PrivateFile->IsDirectoryPath) {
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- if (PrivateFile->IsOpenedByRead) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- PrivateFile->WinNtThunk->GetFileInformationByHandle (PrivateFile->LHandle, &FileInfo);
-
- if (FileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- Status = PrivateFile->WinNtThunk->FlushFileBuffers (PrivateFile->LHandle) ? EFI_SUCCESS : EFI_DEVICE_ERROR;
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
- //
- // bugbug: - Use Windows error reporting.
- //
-}
-
-
|