3 Copyright (c) 2006 - 2009, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 WinNtSimpleFileSystem.c
18 Produce Simple File System abstractions for directories on your PC using Win32 APIs.
19 The configuration of what devices to mount or emulate comes from NT
20 environment variables. The variables must be visible to the Microsoft*
21 Developer Studio for them to work.
23 * Other names and brands may be claimed as the property of others.
28 // The package level header files this module uses
33 // The protocols, PPI and GUID defintions for this module
35 #include <Guid/FileSystemVolumeLabelInfo.h>
36 #include <Protocol/WinNtIo.h>
37 #include <Protocol/ComponentName.h>
38 #include <Guid/FileInfo.h>
39 #include <Protocol/DriverBinding.h>
40 #include <Guid/FileSystemInfo.h>
41 #include <Protocol/SimpleFileSystem.h>
43 // The Library classes this module consumes
45 #include <Library/DebugLib.h>
46 #include <Library/BaseLib.h>
47 #include <Library/UefiDriverEntryPoint.h>
48 #include <Library/UefiLib.h>
49 #include <Library/BaseMemoryLib.h>
50 #include <Library/UefiBootServicesTableLib.h>
51 #include <Library/MemoryAllocationLib.h>
53 #include "WinNtSimpleFileSystem.h"
55 EFI_DRIVER_BINDING_PROTOCOL gWinNtSimpleFileSystemDriverBinding
= {
56 WinNtSimpleFileSystemDriverBindingSupported
,
57 WinNtSimpleFileSystemDriverBindingStart
,
58 WinNtSimpleFileSystemDriverBindingStop
,
65 The user Entry Point for module WinNtSimpleFileSystem. The user code starts with this function.
67 @param[in] ImageHandle The firmware allocated handle for the EFI image.
68 @param[in] SystemTable A pointer to the EFI System Table.
70 @retval EFI_SUCCESS The entry point is executed successfully.
71 @retval other Some error occurs when executing this entry point.
76 InitializeWinNtSimpleFileSystem(
77 IN EFI_HANDLE ImageHandle
,
78 IN EFI_SYSTEM_TABLE
*SystemTable
84 // Install driver model protocol(s).
86 Status
= EfiLibInstallDriverBindingComponentName2 (
89 &gWinNtSimpleFileSystemDriverBinding
,
91 &gWinNtSimpleFileSystemComponentName
,
92 &gWinNtSimpleFileSystemComponentName2
94 ASSERT_EFI_ERROR (Status
);
109 Locate the first occurance of a character in a string.
113 Str - Pointer to NULL terminated unicode string.
114 Chr - Character to locate.
118 If Str is NULL, then NULL is returned.
119 If Chr is not contained in Str, then NULL is returned.
120 If Chr is contained in Str, then a pointer to the first occurance of Chr in Str is returned.
128 while (*Str
!= '\0' && *Str
!= Chr
) {
132 return (*Str
== Chr
) ? Str
: NULL
;
144 TODO: Add function description
148 Buffer - TODO: add argument description
149 Length - TODO: add argument description
153 TODO: add return values
157 if (Buffer
== NULL
|| Length
== 0) {
161 if (*(UINT8
*) Buffer
!= 0) {
166 if (!CompareMem (Buffer
, (UINT8
*) Buffer
+ 1, Length
- 1)) {
183 TODO: Add function description
187 Str - TODO: add argument description
188 Count - TODO: add argument description
192 TODO: add return values
198 if (StrLen (Str
) < Count
) {
203 for (Pointer
= Str
; *(Pointer
+ Count
); Pointer
++) {
204 *Pointer
= *(Pointer
+ Count
);
206 *Pointer
= *(Pointer
+ Count
);
214 WinNtSimpleFileSystemDriverBindingSupported (
215 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
216 IN EFI_HANDLE ControllerHandle
,
217 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
223 Check to see if the driver supports a given controller.
227 This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.
229 ControllerHandle - EFI handle of the controller to test.
231 RemainingDevicePath - Pointer to remaining portion of a device path.
235 EFI_SUCCESS - The device specified by ControllerHandle and RemainingDevicePath is supported by the driver
238 EFI_ALREADY_STARTED - The device specified by ControllerHandle and RemainingDevicePath is already being managed by
239 the driver specified by This.
241 EFI_ACCESS_DENIED - The device specified by ControllerHandle and RemainingDevicePath is already being managed by
242 a different driver or an application that requires exclusive access.
244 EFI_UNSUPPORTED - The device specified by ControllerHandle and RemainingDevicePath is not supported by the
245 driver specified by This.
250 EFI_WIN_NT_IO_PROTOCOL
*WinNtIo
;
253 // Open the IO Abstraction(s) needed to perform the supported test
255 Status
= gBS
->OpenProtocol (
257 &gEfiWinNtIoProtocolGuid
,
259 This
->DriverBindingHandle
,
261 EFI_OPEN_PROTOCOL_BY_DRIVER
263 if (EFI_ERROR (Status
)) {
268 // Make sure GUID is for a File System handle.
270 Status
= EFI_UNSUPPORTED
;
271 if (CompareGuid (WinNtIo
->TypeGuid
, &gEfiWinNtFileSystemGuid
)) {
272 Status
= EFI_SUCCESS
;
276 // Close the I/O Abstraction(s) used to perform the supported test
280 &gEfiWinNtIoProtocolGuid
,
281 This
->DriverBindingHandle
,
290 WinNtSimpleFileSystemDriverBindingStart (
291 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
292 IN EFI_HANDLE ControllerHandle
,
293 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
299 Starts a device controller or a bus controller.
303 This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.
305 ControllerHandle - EFI handle of the controller to start.
307 RemainingDevicePath - Pointer to remaining portion of a device path.
311 EFI_SUCCESS - The device or bus controller has been started.
313 EFI_DEVICE_ERROR - The device could not be started due to a device failure.
315 EFI_OUT_OF_RESOURCES - The request could not be completed due to lack of resources.
320 EFI_WIN_NT_IO_PROTOCOL
*WinNtIo
;
321 WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
*Private
;
326 // Open the IO Abstraction(s) needed
328 Status
= gBS
->OpenProtocol (
330 &gEfiWinNtIoProtocolGuid
,
332 This
->DriverBindingHandle
,
334 EFI_OPEN_PROTOCOL_BY_DRIVER
336 if (EFI_ERROR (Status
)) {
343 if (!CompareGuid (WinNtIo
->TypeGuid
, &gEfiWinNtFileSystemGuid
)) {
344 Status
= EFI_UNSUPPORTED
;
348 Private
= AllocatePool (sizeof (WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
));
349 if (Private
== NULL
) {
350 Status
= EFI_OUT_OF_RESOURCES
;
355 Private
->Signature
= WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE
;
356 Private
->WinNtThunk
= WinNtIo
->WinNtThunk
;
358 Private
->FilePath
= WinNtIo
->EnvString
;
360 Private
->VolumeLabel
= AllocatePool (StrSize (L
"EFI_EMULATED"));
361 if (Private
->VolumeLabel
== NULL
) {
362 Status
= EFI_OUT_OF_RESOURCES
;
366 StrCpy (Private
->VolumeLabel
, L
"EFI_EMULATED");
368 Private
->SimpleFileSystem
.Revision
= EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION
;
369 Private
->SimpleFileSystem
.OpenVolume
= WinNtSimpleFileSystemOpenVolume
;
371 Private
->WinNtThunk
->SetErrorMode (SEM_FAILCRITICALERRORS
);
373 Private
->ControllerNameTable
= NULL
;
377 gWinNtSimpleFileSystemComponentName
.SupportedLanguages
,
378 &Private
->ControllerNameTable
,
384 gWinNtSimpleFileSystemComponentName2
.SupportedLanguages
,
385 &Private
->ControllerNameTable
,
391 Status
= gBS
->InstallMultipleProtocolInterfaces (
393 &gEfiSimpleFileSystemProtocolGuid
,
394 &Private
->SimpleFileSystem
,
399 if (EFI_ERROR (Status
)) {
401 if (Private
!= NULL
) {
403 FreeUnicodeStringTable (Private
->ControllerNameTable
);
410 &gEfiWinNtIoProtocolGuid
,
411 This
->DriverBindingHandle
,
421 WinNtSimpleFileSystemDriverBindingStop (
422 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
423 IN EFI_HANDLE ControllerHandle
,
424 IN UINTN NumberOfChildren
,
425 IN EFI_HANDLE
*ChildHandleBuffer
431 TODO: Add function description
435 This - A pointer to an instance of the EFI_DRIVER_BINDING_PROTOCOL.
437 ControllerHandle - A handle to the device to be stopped.
439 NumberOfChildren - The number of child device handles in ChildHandleBuffer.
441 ChildHandleBuffer - An array of child device handles to be freed.
445 EFI_SUCCESS - The device has been stopped.
447 EFI_DEVICE_ERROR - The device could not be stopped due to a device failure.
450 // TODO: EFI_UNSUPPORTED - add return value to function comment
453 EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
*SimpleFileSystem
;
454 WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
*Private
;
457 // Get our context back
459 Status
= gBS
->OpenProtocol (
461 &gEfiSimpleFileSystemProtocolGuid
,
462 (VOID
**) &SimpleFileSystem
,
463 This
->DriverBindingHandle
,
465 EFI_OPEN_PROTOCOL_GET_PROTOCOL
467 if (EFI_ERROR (Status
)) {
468 return EFI_UNSUPPORTED
;
471 Private
= WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (SimpleFileSystem
);
474 // Uninstall the Simple File System Protocol from ControllerHandle
476 Status
= gBS
->UninstallMultipleProtocolInterfaces (
478 &gEfiSimpleFileSystemProtocolGuid
,
479 &Private
->SimpleFileSystem
,
482 if (!EFI_ERROR (Status
)) {
483 Status
= gBS
->CloseProtocol (
485 &gEfiWinNtIoProtocolGuid
,
486 This
->DriverBindingHandle
,
491 if (!EFI_ERROR (Status
)) {
493 // Free our instance data
495 FreeUnicodeStringTable (Private
->ControllerNameTable
);
505 WinNtSimpleFileSystemOpenVolume (
506 IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
*This
,
513 Open the root directory on a volume.
517 This - A pointer to the volume to open.
519 Root - A pointer to storage for the returned opened file handle of the root directory.
523 EFI_SUCCESS - The volume was opened.
525 EFI_UNSUPPORTED - The volume does not support the requested file system type.
527 EFI_NO_MEDIA - The device has no media.
529 EFI_DEVICE_ERROR - The device reported an error.
531 EFI_VOLUME_CORRUPTED - The file system structures are corrupted.
533 EFI_ACCESS_DENIED - The service denied access to the file.
535 EFI_OUT_OF_RESOURCES - The file volume could not be opened due to lack of resources.
537 EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.
540 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
543 WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
*Private
;
544 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
547 if (This
== NULL
|| Root
== NULL
) {
548 return EFI_INVALID_PARAMETER
;
551 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
553 Private
= WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This
);
555 PrivateFile
= AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE
));
556 if (PrivateFile
== NULL
) {
557 Status
= EFI_OUT_OF_RESOURCES
;
561 PrivateFile
->FileName
= AllocatePool (StrSize (Private
->FilePath
));
562 if (PrivateFile
->FileName
== NULL
) {
563 Status
= EFI_OUT_OF_RESOURCES
;
567 PrivateFile
->FilePath
= AllocatePool (StrSize (Private
->FilePath
));
568 if (PrivateFile
->FilePath
== NULL
) {
569 Status
= EFI_OUT_OF_RESOURCES
;
573 StrCpy (PrivateFile
->FilePath
, Private
->FilePath
);
574 StrCpy (PrivateFile
->FileName
, PrivateFile
->FilePath
);
575 PrivateFile
->Signature
= WIN_NT_EFI_FILE_PRIVATE_SIGNATURE
;
576 PrivateFile
->WinNtThunk
= Private
->WinNtThunk
;
577 PrivateFile
->SimpleFileSystem
= This
;
578 PrivateFile
->IsRootDirectory
= TRUE
;
579 PrivateFile
->IsDirectoryPath
= TRUE
;
580 PrivateFile
->IsOpenedByRead
= TRUE
;
581 PrivateFile
->EfiFile
.Revision
= EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION
;
582 PrivateFile
->EfiFile
.Open
= WinNtSimpleFileSystemOpen
;
583 PrivateFile
->EfiFile
.Close
= WinNtSimpleFileSystemClose
;
584 PrivateFile
->EfiFile
.Delete
= WinNtSimpleFileSystemDelete
;
585 PrivateFile
->EfiFile
.Read
= WinNtSimpleFileSystemRead
;
586 PrivateFile
->EfiFile
.Write
= WinNtSimpleFileSystemWrite
;
587 PrivateFile
->EfiFile
.GetPosition
= WinNtSimpleFileSystemGetPosition
;
588 PrivateFile
->EfiFile
.SetPosition
= WinNtSimpleFileSystemSetPosition
;
589 PrivateFile
->EfiFile
.GetInfo
= WinNtSimpleFileSystemGetInfo
;
590 PrivateFile
->EfiFile
.SetInfo
= WinNtSimpleFileSystemSetInfo
;
591 PrivateFile
->EfiFile
.Flush
= WinNtSimpleFileSystemFlush
;
592 PrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
593 PrivateFile
->DirHandle
= INVALID_HANDLE_VALUE
;
594 PrivateFile
->IsValidFindBuf
= FALSE
;
596 *Root
= &PrivateFile
->EfiFile
;
598 Status
= EFI_SUCCESS
;
601 if (EFI_ERROR (Status
)) {
603 if (PrivateFile
->FileName
) {
604 FreePool (PrivateFile
->FileName
);
607 if (PrivateFile
->FilePath
) {
608 FreePool (PrivateFile
->FilePath
);
611 FreePool (PrivateFile
);
615 gBS
->RestoreTPL (OldTpl
);
621 Count the number of Leading Dot in FileNameToken.
623 @param FileNameToken A string representing a token in the path name.
625 @return UINTN The number of leading dot in the name.
630 IN CONST CHAR16
* FileNameToken
636 while (*FileNameToken
== L
'.') {
645 IsFileNameTokenValid (
646 IN CONST CHAR16
* FileNameToken
650 if (StrStr (FileNameToken
, L
"/") != NULL
) {
652 // No L'/' in file name.
657 // If Token has all dot, the number should not exceed 2
659 Num
= CountLeadingDots (FileNameToken
);
661 if (Num
== StrLen (FileNameToken
)) {
663 // If the FileNameToken only contains a number of L'.'.
675 Return the first string token found in the indirect pointer a String named by FileName.
677 On input, FileName is a indirect pointer pointing to a String.
678 On output, FileName is a updated to point to the next character after the first
679 found L"\" or NULL if there is no L"\" found.
681 @param FileName A indirect pointer pointing to a FileName.
683 @return Token The first string token found before a L"\".
687 GetNextFileNameToken (
688 IN OUT CONST CHAR16
** FileName
694 ASSERT (**FileName
!= L
'\\');
695 ASSERT (**FileName
!= L
'\0');
697 SlashPos
= StrStr (*FileName
, L
"\\");
698 if (SlashPos
== NULL
) {
699 Token
= AllocateCopyPool (StrSize(*FileName
), *FileName
);
702 Offset
= SlashPos
- *FileName
;
703 Token
= AllocateZeroPool ((Offset
+ 1) * sizeof (CHAR16
));
704 StrnCpy (Token
, *FileName
, Offset
);
706 // Point *FileName to the next character after L'\'.
708 *FileName
= *FileName
+ Offset
+ 1;
715 Check if a FileName contains only Valid Characters.
717 If FileName contains only a single L'\', return TRUE.
718 If FileName contains two adjacent L'\', return FALSE.
719 If FileName conatins L'/' , return FALSE.
720 If FielName contains more than two dots seperated with other FileName characters
721 by L'\', return FALSE. For example, L'.\...\filename.txt' is invalid path name. But L'..TwoDots\filename.txt' is valid path name.
723 @param FileName The File Name String to check.
725 @return TRUE FileName only contains valid characters.
726 @return FALSE FileName contains at least one invalid character.
732 IN CONST CHAR16
*FileName
739 // If FileName is just L'\', then it is a valid pathname.
741 if (StrCmp (FileName
, L
"\\") == 0) {
745 // We don't support two or more adjacent L'\'.
747 if (StrStr (FileName
, L
"\\\\") != NULL
) {
752 // Is FileName has a leading L"\", skip to next character.
754 if (FileName
[0] == L
'\\') {
759 Token
= GetNextFileNameToken (&FileName
);
760 Valid
= IsFileNameTokenValid (Token
);
765 } while (FileName
!= NULL
);
772 WinNtSimpleFileSystemOpen (
774 OUT EFI_FILE
**NewHandle
,
783 Open a file relative to the source file location.
787 This - A pointer to the seource file location.
789 NewHandle - Pointer to storage for the new file handle.
791 FileName - Pointer to the file name to be opened.
793 OpenMode - File open mode information.
795 Attributes - File creation attributes.
799 EFI_SUCCESS - The file was opened.
801 EFI_NOT_FOUND - The file could not be found in the volume.
803 EFI_NO_MEDIA - The device has no media.
805 EFI_MEDIA_CHANGED - The device has new media or the media is no longer supported.
807 EFI_DEVICE_ERROR - The device reported an error.
809 EFI_VOLUME_CORRUPTED - The file system structures are corrupted.
811 EFI_WRITE_PROTECTED - The volume or file is write protected.
813 EFI_ACCESS_DENIED - The service denied access to the file.
815 EFI_OUT_OF_RESOURCES - Not enough resources were available to open the file.
817 EFI_VOLUME_FULL - There is not enough space left to create the new file.
820 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
821 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
822 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
823 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
826 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
827 WIN_NT_EFI_FILE_PRIVATE
*NewPrivateFile
;
828 WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
*PrivateRoot
;
830 CHAR16
*RealFileName
;
831 CHAR16
*TempFileName
;
832 CHAR16
*ParseFileName
;
833 CHAR16
*GuardPointer
;
843 // Check for obvious invalid parameters.
845 if (This
== NULL
|| NewHandle
== NULL
|| FileName
== NULL
) {
846 return EFI_INVALID_PARAMETER
;
850 case EFI_FILE_MODE_CREATE
| EFI_FILE_MODE_READ
| EFI_FILE_MODE_WRITE
:
851 if (Attributes
&~EFI_FILE_VALID_ATTR
) {
852 return EFI_INVALID_PARAMETER
;
855 if (Attributes
& EFI_FILE_READ_ONLY
) {
856 return EFI_INVALID_PARAMETER
;
862 case EFI_FILE_MODE_READ
:
863 case EFI_FILE_MODE_READ
| EFI_FILE_MODE_WRITE
:
867 return EFI_INVALID_PARAMETER
;
871 // Init local variables
873 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
874 PrivateRoot
= WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile
->SimpleFileSystem
);
875 NewPrivateFile
= NULL
;
878 // Allocate buffer for FileName as the passed in FileName may be read only
880 TempFileName
= AllocatePool (StrSize (FileName
));
881 if (TempFileName
== NULL
) {
882 return EFI_OUT_OF_RESOURCES
;
884 StrCpy (TempFileName
, FileName
);
885 FileName
= TempFileName
;
888 // BUGBUG: assume an open of root
889 // if current location, return current data
891 if (StrCmp (FileName
, L
"\\") == 0 || (StrCmp (FileName
, L
".") == 0 && PrivateFile
->IsRootDirectory
)) {
893 // BUGBUG: assume an open root
896 Status
= WinNtSimpleFileSystemOpenVolume (PrivateFile
->SimpleFileSystem
, &Root
);
897 NewPrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root
);
901 if (FileName
[StrLen (FileName
) - 1] == L
'\\') {
902 FileName
[StrLen (FileName
) - 1] = 0;
906 // If file name does not equal to "." or ".." and not trailed with "\..",
907 // then we trim the leading/trailing blanks and trailing dots
909 if (StrCmp (FileName
, L
".") != 0 && StrCmp (FileName
, L
"..") != 0 &&
910 ((StrLen (FileName
) >= 3) ? (StrCmp (&FileName
[StrLen (FileName
) - 3], L
"\\..") != 0) : TRUE
)) {
912 // Trim leading blanks
915 for (TempFileName
= FileName
;
916 *TempFileName
!= 0 && *TempFileName
== L
' ';
920 CutPrefix (FileName
, Count
);
922 // Trim trailing blanks
924 for (TempFileName
= FileName
+ StrLen (FileName
) - 1;
925 TempFileName
>= FileName
&& (*TempFileName
== L
' ');
929 *(TempFileName
+ 1) = 0;
933 // Attempt to open the file
935 NewPrivateFile
= AllocatePool (sizeof (WIN_NT_EFI_FILE_PRIVATE
));
936 if (NewPrivateFile
== NULL
) {
937 Status
= EFI_OUT_OF_RESOURCES
;
941 CopyMem (NewPrivateFile
, PrivateFile
, sizeof (WIN_NT_EFI_FILE_PRIVATE
));
943 NewPrivateFile
->FilePath
= AllocatePool (StrSize (PrivateFile
->FileName
));
944 if (NewPrivateFile
->FilePath
== NULL
) {
945 Status
= EFI_OUT_OF_RESOURCES
;
949 if (PrivateFile
->IsDirectoryPath
) {
950 StrCpy (NewPrivateFile
->FilePath
, PrivateFile
->FileName
);
952 StrCpy (NewPrivateFile
->FilePath
, PrivateFile
->FilePath
);
955 Size
= StrSize (NewPrivateFile
->FilePath
);
956 Size
+= StrSize (L
"\\");
957 Size
+= StrSize (FileName
);
958 NewPrivateFile
->FileName
= AllocatePool (Size
);
959 if (NewPrivateFile
->FileName
== NULL
) {
960 Status
= EFI_OUT_OF_RESOURCES
;
964 if (*FileName
== L
'\\') {
965 StrCpy (NewPrivateFile
->FileName
, PrivateRoot
->FilePath
);
966 StrCat (NewPrivateFile
->FileName
, L
"\\");
967 StrCat (NewPrivateFile
->FileName
, FileName
+ 1);
969 StrCpy (NewPrivateFile
->FileName
, NewPrivateFile
->FilePath
);
970 if (StrCmp (FileName
, L
"") != 0) {
972 // In case the filename becomes empty, especially after trimming dots and blanks
974 StrCat (NewPrivateFile
->FileName
, L
"\\");
975 StrCat (NewPrivateFile
->FileName
, FileName
);
979 if (!IsFileNameValid (NewPrivateFile
->FileName
)) {
980 Status
= EFI_NOT_FOUND
;
985 // Get rid of . and .., except leading . or ..
989 // GuardPointer protect simplefilesystem root path not be destroyed
991 GuardPointer
= NewPrivateFile
->FileName
+ StrLen (PrivateRoot
->FilePath
);
995 while (!LoopFinish
) {
999 for (ParseFileName
= GuardPointer
; *ParseFileName
; ParseFileName
++) {
1000 if (*ParseFileName
== L
'.' &&
1001 (*(ParseFileName
+ 1) == 0 || *(ParseFileName
+ 1) == L
'\\') &&
1002 *(ParseFileName
- 1) == L
'\\'
1008 CutPrefix (ParseFileName
- 1, 2);
1013 if (*ParseFileName
== L
'.' &&
1014 *(ParseFileName
+ 1) == L
'.' &&
1015 (*(ParseFileName
+ 2) == 0 || *(ParseFileName
+ 2) == L
'\\') &&
1016 *(ParseFileName
- 1) == L
'\\'
1022 while (ParseFileName
!= GuardPointer
) {
1025 if (*ParseFileName
== L
'\\') {
1031 // cut \.. and its left directory
1033 CutPrefix (ParseFileName
, Count
);
1040 if (StrCmp (NewPrivateFile
->FileName
, PrivateRoot
->FilePath
) == 0) {
1041 NewPrivateFile
->IsRootDirectory
= TRUE
;
1042 FreePool (NewPrivateFile
->FilePath
);
1043 FreePool (NewPrivateFile
->FileName
);
1044 FreePool (NewPrivateFile
);
1048 RealFileName
= NewPrivateFile
->FileName
;
1049 while (EfiStrChr (RealFileName
, L
'\\') != NULL
) {
1050 RealFileName
= EfiStrChr (RealFileName
, L
'\\') + 1;
1053 TempChar
= *(RealFileName
- 1);
1054 *(RealFileName
- 1) = 0;
1056 FreePool (NewPrivateFile
->FilePath
);
1057 NewPrivateFile
->FilePath
= NULL
;
1058 NewPrivateFile
->FilePath
= AllocatePool (StrSize (NewPrivateFile
->FileName
));
1059 if (NewPrivateFile
->FilePath
== NULL
) {
1060 Status
= EFI_OUT_OF_RESOURCES
;
1064 StrCpy (NewPrivateFile
->FilePath
, NewPrivateFile
->FileName
);
1066 *(RealFileName
- 1) = TempChar
;
1068 NewPrivateFile
->IsRootDirectory
= FALSE
;
1071 // Test whether file or directory
1073 if (OpenMode
& EFI_FILE_MODE_CREATE
) {
1074 if (Attributes
& EFI_FILE_DIRECTORY
) {
1075 NewPrivateFile
->IsDirectoryPath
= TRUE
;
1077 NewPrivateFile
->IsDirectoryPath
= FALSE
;
1080 NewPrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
1081 NewPrivateFile
->LHandle
= NewPrivateFile
->WinNtThunk
->CreateFile (
1082 NewPrivateFile
->FileName
,
1084 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1091 if (NewPrivateFile
->LHandle
!= INVALID_HANDLE_VALUE
) {
1092 NewPrivateFile
->IsDirectoryPath
= FALSE
;
1093 NewPrivateFile
->WinNtThunk
->CloseHandle (NewPrivateFile
->LHandle
);
1095 NewPrivateFile
->IsDirectoryPath
= TRUE
;
1098 NewPrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
1101 if (OpenMode
& EFI_FILE_MODE_WRITE
) {
1102 NewPrivateFile
->IsOpenedByRead
= FALSE
;
1104 NewPrivateFile
->IsOpenedByRead
= TRUE
;
1107 Status
= EFI_SUCCESS
;
1110 // deal with directory
1112 if (NewPrivateFile
->IsDirectoryPath
) {
1114 Size
= StrSize (NewPrivateFile
->FileName
);
1115 Size
+= StrSize (L
"\\*");
1116 TempFileName
= AllocatePool (Size
);
1117 if (TempFileName
== NULL
) {
1118 Status
= EFI_OUT_OF_RESOURCES
;
1122 StrCpy (TempFileName
, NewPrivateFile
->FileName
);
1124 if ((OpenMode
& EFI_FILE_MODE_CREATE
)) {
1126 // Create a directory
1128 if (!NewPrivateFile
->WinNtThunk
->CreateDirectory (TempFileName
, NULL
)) {
1130 LastError
= PrivateFile
->WinNtThunk
->GetLastError ();
1131 if (LastError
!= ERROR_ALREADY_EXISTS
) {
1132 FreePool (TempFileName
);
1133 Status
= EFI_ACCESS_DENIED
;
1139 NewPrivateFile
->DirHandle
= NewPrivateFile
->WinNtThunk
->CreateFile (
1141 NewPrivateFile
->IsOpenedByRead
? GENERIC_READ
: (GENERIC_READ
| GENERIC_WRITE
),
1142 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1145 FILE_FLAG_BACKUP_SEMANTICS
,
1149 if (NewPrivateFile
->DirHandle
== INVALID_HANDLE_VALUE
) {
1151 NewPrivateFile
->DirHandle
= NewPrivateFile
->WinNtThunk
->CreateFile (
1154 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1157 FILE_FLAG_BACKUP_SEMANTICS
,
1161 if (NewPrivateFile
->DirHandle
!= INVALID_HANDLE_VALUE
) {
1162 NewPrivateFile
->WinNtThunk
->CloseHandle (NewPrivateFile
->DirHandle
);
1163 NewPrivateFile
->DirHandle
= INVALID_HANDLE_VALUE
;
1164 Status
= EFI_ACCESS_DENIED
;
1166 Status
= EFI_NOT_FOUND
;
1173 // Find the first file under it
1175 StrCat (TempFileName
, L
"\\*");
1176 NewPrivateFile
->LHandle
= NewPrivateFile
->WinNtThunk
->FindFirstFile (TempFileName
, &NewPrivateFile
->FindBuf
);
1178 if (NewPrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1179 NewPrivateFile
->IsValidFindBuf
= FALSE
;
1181 NewPrivateFile
->IsValidFindBuf
= TRUE
;
1187 if (!NewPrivateFile
->IsOpenedByRead
) {
1188 NewPrivateFile
->LHandle
= NewPrivateFile
->WinNtThunk
->CreateFile (
1189 NewPrivateFile
->FileName
,
1190 GENERIC_READ
| GENERIC_WRITE
,
1191 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1193 (OpenMode
& EFI_FILE_MODE_CREATE
) ? OPEN_ALWAYS
: OPEN_EXISTING
,
1198 if (NewPrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1199 NewPrivateFile
->LHandle
= NewPrivateFile
->WinNtThunk
->CreateFile (
1200 NewPrivateFile
->FileName
,
1202 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1209 if (NewPrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1210 Status
= EFI_NOT_FOUND
;
1212 Status
= EFI_ACCESS_DENIED
;
1213 NewPrivateFile
->WinNtThunk
->CloseHandle (NewPrivateFile
->LHandle
);
1214 NewPrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
1218 NewPrivateFile
->LHandle
= NewPrivateFile
->WinNtThunk
->CreateFile (
1219 NewPrivateFile
->FileName
,
1221 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1228 if (NewPrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1229 Status
= EFI_NOT_FOUND
;
1234 if ((OpenMode
& EFI_FILE_MODE_CREATE
) && Status
== EFI_SUCCESS
) {
1236 // Set the attribute
1241 Status
= WinNtSimpleFileSystemGetInfo (&NewPrivateFile
->EfiFile
, &gEfiFileInfoGuid
, &InfoSize
, Info
);
1243 if (Status
!= EFI_BUFFER_TOO_SMALL
) {
1244 Status
= EFI_DEVICE_ERROR
;
1248 Info
= AllocatePool (InfoSize
);
1250 Status
= EFI_OUT_OF_RESOURCES
;
1254 Status
= WinNtSimpleFileSystemGetInfo (&NewPrivateFile
->EfiFile
, &gEfiFileInfoGuid
, &InfoSize
, Info
);
1256 if (EFI_ERROR (Status
)) {
1260 Info
->Attribute
= Attributes
;
1262 WinNtSimpleFileSystemSetInfo (&NewPrivateFile
->EfiFile
, &gEfiFileInfoGuid
, InfoSize
, Info
);
1266 FreePool (FileName
);
1268 if (EFI_ERROR (Status
)) {
1269 if (NewPrivateFile
) {
1270 if (NewPrivateFile
->FileName
) {
1271 FreePool (NewPrivateFile
->FileName
);
1274 if (NewPrivateFile
->FilePath
) {
1275 FreePool (NewPrivateFile
->FilePath
);
1278 FreePool (NewPrivateFile
);
1281 *NewHandle
= &NewPrivateFile
->EfiFile
;
1289 WinNtSimpleFileSystemClose (
1294 Routine Description:
1296 Close the specified file handle.
1300 This - Pointer to a returned opened file handle.
1304 EFI_SUCCESS - The file handle has been closed.
1307 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
1309 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
1313 return EFI_INVALID_PARAMETER
;
1316 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
1318 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
1320 if (PrivateFile
->LHandle
!= INVALID_HANDLE_VALUE
) {
1321 if (PrivateFile
->IsDirectoryPath
) {
1322 PrivateFile
->WinNtThunk
->FindClose (PrivateFile
->LHandle
);
1324 PrivateFile
->WinNtThunk
->CloseHandle (PrivateFile
->LHandle
);
1327 PrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
1330 if (PrivateFile
->IsDirectoryPath
&& PrivateFile
->DirHandle
!= INVALID_HANDLE_VALUE
) {
1331 PrivateFile
->WinNtThunk
->CloseHandle (PrivateFile
->DirHandle
);
1332 PrivateFile
->DirHandle
= INVALID_HANDLE_VALUE
;
1335 if (PrivateFile
->FileName
) {
1336 FreePool (PrivateFile
->FileName
);
1339 FreePool (PrivateFile
);
1341 gBS
->RestoreTPL (OldTpl
);
1348 WinNtSimpleFileSystemDelete (
1353 Routine Description:
1355 Close and delete a file.
1359 This - Pointer to a returned opened file handle.
1363 EFI_SUCCESS - The file handle was closed and deleted.
1365 EFI_WARN_DELETE_FAILURE - The handle was closed but could not be deleted.
1368 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
1371 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
1375 return EFI_INVALID_PARAMETER
;
1378 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
1380 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
1382 Status
= EFI_WARN_DELETE_FAILURE
;
1384 if (PrivateFile
->IsDirectoryPath
) {
1385 if (PrivateFile
->LHandle
!= INVALID_HANDLE_VALUE
) {
1386 PrivateFile
->WinNtThunk
->FindClose (PrivateFile
->LHandle
);
1389 if (PrivateFile
->DirHandle
!= INVALID_HANDLE_VALUE
) {
1390 PrivateFile
->WinNtThunk
->CloseHandle (PrivateFile
->DirHandle
);
1391 PrivateFile
->DirHandle
= INVALID_HANDLE_VALUE
;
1394 if (PrivateFile
->WinNtThunk
->RemoveDirectory (PrivateFile
->FileName
)) {
1395 Status
= EFI_SUCCESS
;
1398 PrivateFile
->WinNtThunk
->CloseHandle (PrivateFile
->LHandle
);
1399 PrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
1401 if (!PrivateFile
->IsOpenedByRead
) {
1402 if (PrivateFile
->WinNtThunk
->DeleteFile (PrivateFile
->FileName
)) {
1403 Status
= EFI_SUCCESS
;
1408 FreePool (PrivateFile
->FileName
);
1409 FreePool (PrivateFile
);
1411 gBS
->RestoreTPL (OldTpl
);
1417 WinNtSystemTimeToEfiTime (
1418 IN SYSTEMTIME
*SystemTime
,
1419 IN TIME_ZONE_INFORMATION
*TimeZone
,
1424 Routine Description:
1426 TODO: Add function description
1430 SystemTime - TODO: add argument description
1431 TimeZone - TODO: add argument description
1432 Time - TODO: add argument description
1436 TODO: add return values
1440 Time
->Year
= (UINT16
) SystemTime
->wYear
;
1441 Time
->Month
= (UINT8
) SystemTime
->wMonth
;
1442 Time
->Day
= (UINT8
) SystemTime
->wDay
;
1443 Time
->Hour
= (UINT8
) SystemTime
->wHour
;
1444 Time
->Minute
= (UINT8
) SystemTime
->wMinute
;
1445 Time
->Second
= (UINT8
) SystemTime
->wSecond
;
1446 Time
->Nanosecond
= (UINT32
) SystemTime
->wMilliseconds
* 1000000;
1447 Time
->TimeZone
= (INT16
) TimeZone
->Bias
;
1449 if (TimeZone
->StandardDate
.wMonth
) {
1450 Time
->Daylight
= EFI_TIME_ADJUST_DAYLIGHT
;
1456 WinNtSimpleFileSystemRead (
1458 IN OUT UINTN
*BufferSize
,
1463 Routine Description:
1465 Read data from a file.
1469 This - Pointer to a returned open file handle.
1471 BufferSize - On input, the size of the Buffer. On output, the number of bytes stored in the Buffer.
1473 Buffer - Pointer to the first byte of the read Buffer.
1477 EFI_SUCCESS - The data was read.
1479 EFI_NO_MEDIA - The device has no media.
1481 EFI_DEVICE_ERROR - The device reported an error.
1483 EFI_VOLUME_CORRUPTED - The file system structures are corrupted.
1485 EFI_BUFFER_TOO_SMALL - The supplied buffer size was too small to store the current directory entry.
1486 *BufferSize has been updated with the size needed to complete the request.
1489 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
1491 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
1497 SYSTEMTIME SystemTime
;
1498 EFI_FILE_INFO
*Info
;
1500 TIME_ZONE_INFORMATION TimeZone
;
1501 EFI_FILE_INFO
*FileInfo
;
1507 if (This
== NULL
|| BufferSize
== NULL
) {
1508 return EFI_INVALID_PARAMETER
;
1511 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
1513 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
1515 if (PrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1516 Status
= EFI_DEVICE_ERROR
;
1520 if (!PrivateFile
->IsDirectoryPath
) {
1522 if (This
->GetPosition (This
, &Pos
) != EFI_SUCCESS
) {
1523 Status
= EFI_DEVICE_ERROR
;
1527 FileInfoSize
= SIZE_OF_EFI_FILE_SYSTEM_INFO
;
1528 FileInfo
= AllocatePool (FileInfoSize
);
1530 Status
= This
->GetInfo (
1537 if (Status
== EFI_BUFFER_TOO_SMALL
) {
1538 FreePool (FileInfo
);
1539 FileInfo
= AllocatePool (FileInfoSize
);
1540 Status
= This
->GetInfo (
1548 if (EFI_ERROR (Status
)) {
1549 Status
= EFI_DEVICE_ERROR
;
1553 FileSize
= FileInfo
->FileSize
;
1555 FreePool (FileInfo
);
1557 if (Pos
>= FileSize
) {
1559 if (Pos
== FileSize
) {
1560 Status
= EFI_SUCCESS
;
1563 Status
= EFI_DEVICE_ERROR
;
1568 Status
= PrivateFile
->WinNtThunk
->ReadFile (
1569 PrivateFile
->LHandle
,
1572 (LPDWORD
)BufferSize
,
1574 ) ? EFI_SUCCESS
: EFI_DEVICE_ERROR
;
1579 // Read on a directory. Perform a find next
1581 if (!PrivateFile
->IsValidFindBuf
) {
1583 Status
= EFI_SUCCESS
;
1587 Size
= SIZE_OF_EFI_FILE_INFO
;
1589 NameSize
= StrSize (PrivateFile
->FindBuf
.cFileName
);
1591 ResultSize
= Size
+ NameSize
;
1593 Status
= EFI_BUFFER_TOO_SMALL
;
1595 if (*BufferSize
>= ResultSize
) {
1596 Status
= EFI_SUCCESS
;
1599 ZeroMem (Info
, ResultSize
);
1601 Info
->Size
= ResultSize
;
1603 PrivateFile
->WinNtThunk
->GetTimeZoneInformation (&TimeZone
);
1605 PrivateFile
->WinNtThunk
->FileTimeToLocalFileTime (
1606 &PrivateFile
->FindBuf
.ftCreationTime
,
1607 &PrivateFile
->FindBuf
.ftCreationTime
1610 PrivateFile
->WinNtThunk
->FileTimeToSystemTime (&PrivateFile
->FindBuf
.ftCreationTime
, &SystemTime
);
1612 WinNtSystemTimeToEfiTime (&SystemTime
, &TimeZone
, &Info
->CreateTime
);
1614 PrivateFile
->WinNtThunk
->FileTimeToLocalFileTime (
1615 &PrivateFile
->FindBuf
.ftLastWriteTime
,
1616 &PrivateFile
->FindBuf
.ftLastWriteTime
1619 PrivateFile
->WinNtThunk
->FileTimeToSystemTime (&PrivateFile
->FindBuf
.ftLastWriteTime
, &SystemTime
);
1621 WinNtSystemTimeToEfiTime (&SystemTime
, &TimeZone
, &Info
->ModificationTime
);
1623 Info
->FileSize
= PrivateFile
->FindBuf
.nFileSizeLow
;
1625 Info
->PhysicalSize
= PrivateFile
->FindBuf
.nFileSizeLow
;
1627 if (PrivateFile
->FindBuf
.dwFileAttributes
& FILE_ATTRIBUTE_ARCHIVE
) {
1628 Info
->Attribute
|= EFI_FILE_ARCHIVE
;
1631 if (PrivateFile
->FindBuf
.dwFileAttributes
& FILE_ATTRIBUTE_HIDDEN
) {
1632 Info
->Attribute
|= EFI_FILE_HIDDEN
;
1635 if (PrivateFile
->FindBuf
.dwFileAttributes
& FILE_ATTRIBUTE_SYSTEM
) {
1636 Info
->Attribute
|= EFI_FILE_SYSTEM
;
1639 if (PrivateFile
->FindBuf
.dwFileAttributes
& FILE_ATTRIBUTE_READONLY
) {
1640 Info
->Attribute
|= EFI_FILE_READ_ONLY
;
1643 if (PrivateFile
->FindBuf
.dwFileAttributes
& FILE_ATTRIBUTE_DIRECTORY
) {
1644 Info
->Attribute
|= EFI_FILE_DIRECTORY
;
1647 NameSize
= NameSize
/ sizeof (WCHAR
);
1649 pw
= (WCHAR
*) (((CHAR8
*) Buffer
) + Size
);
1651 for (Index
= 0; Index
< NameSize
; Index
++) {
1652 pw
[Index
] = PrivateFile
->FindBuf
.cFileName
[Index
];
1655 if (PrivateFile
->WinNtThunk
->FindNextFile (PrivateFile
->LHandle
, &PrivateFile
->FindBuf
)) {
1656 PrivateFile
->IsValidFindBuf
= TRUE
;
1658 PrivateFile
->IsValidFindBuf
= FALSE
;
1662 *BufferSize
= ResultSize
;
1665 gBS
->RestoreTPL (OldTpl
);
1671 WinNtSimpleFileSystemWrite (
1673 IN OUT UINTN
*BufferSize
,
1678 Routine Description:
1680 Write data to a file.
1684 This - Pointer to an opened file handle.
1686 BufferSize - On input, the number of bytes in the Buffer to write to the file. On output, the number of bytes
1687 of data written to the file.
1689 Buffer - Pointer to the first by of data in the buffer to write to the file.
1693 EFI_SUCCESS - The data was written to the file.
1695 EFI_UNSUPPORTED - Writes to an open directory are not supported.
1697 EFI_NO_MEDIA - The device has no media.
1699 EFI_DEVICE_ERROR - The device reported an error.
1701 EFI_VOLUME_CORRUPTED - The file system structures are corrupt.
1703 EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.
1705 EFI_ACCESS_DENIED - The file was opened read-only.
1707 EFI_VOLUME_FULL - The volume is full.
1710 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
1712 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
1716 if (This
== NULL
|| BufferSize
== NULL
|| Buffer
== NULL
) {
1717 return EFI_INVALID_PARAMETER
;
1720 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
1722 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
1724 if (PrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1725 Status
= EFI_DEVICE_ERROR
;
1729 if (PrivateFile
->IsDirectoryPath
) {
1730 Status
= EFI_UNSUPPORTED
;
1734 if (PrivateFile
->IsOpenedByRead
) {
1735 Status
= EFI_ACCESS_DENIED
;
1739 Status
= PrivateFile
->WinNtThunk
->WriteFile (
1740 PrivateFile
->LHandle
,
1743 (LPDWORD
)BufferSize
,
1745 ) ? EFI_SUCCESS
: EFI_DEVICE_ERROR
;
1748 gBS
->RestoreTPL (OldTpl
);
1752 // bugbug: need to access windows error reporting
1758 WinNtSimpleFileSystemSetPosition (
1764 Routine Description:
1766 Set a file's current position.
1770 This - Pointer to an opened file handle.
1772 Position - The byte position from the start of the file to set.
1776 EFI_SUCCESS - The file position has been changed.
1778 EFI_UNSUPPORTED - The seek request for non-zero is not supported for directories.
1781 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
1784 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
1792 return EFI_INVALID_PARAMETER
;
1795 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
1797 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
1799 if (PrivateFile
->IsDirectoryPath
) {
1800 if (Position
!= 0) {
1801 Status
= EFI_UNSUPPORTED
;
1805 Size
= StrSize (PrivateFile
->FileName
);
1806 Size
+= StrSize (L
"\\*");
1807 FileName
= AllocatePool (Size
);
1808 if (FileName
== NULL
) {
1809 Status
= EFI_OUT_OF_RESOURCES
;
1813 StrCpy (FileName
, PrivateFile
->FileName
);
1814 StrCat (FileName
, L
"\\*");
1816 if (PrivateFile
->LHandle
!= INVALID_HANDLE_VALUE
) {
1817 PrivateFile
->WinNtThunk
->FindClose (PrivateFile
->LHandle
);
1820 PrivateFile
->LHandle
= PrivateFile
->WinNtThunk
->FindFirstFile (FileName
, &PrivateFile
->FindBuf
);
1822 if (PrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
1823 PrivateFile
->IsValidFindBuf
= FALSE
;
1825 PrivateFile
->IsValidFindBuf
= TRUE
;
1828 FreePool (FileName
);
1830 Status
= (PrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) ? EFI_DEVICE_ERROR
: EFI_SUCCESS
;
1832 if (Position
== (UINT64
) -1) {
1833 PosLow
= PrivateFile
->WinNtThunk
->SetFilePointer (PrivateFile
->LHandle
, (ULONG
) 0, NULL
, FILE_END
);
1835 PosHigh
= (UINT32
) RShiftU64 (Position
, 32);
1837 PosLow
= PrivateFile
->WinNtThunk
->SetFilePointer (PrivateFile
->LHandle
, (ULONG
) Position
, (PLONG
)&PosHigh
, FILE_BEGIN
);
1840 Status
= (PosLow
== 0xFFFFFFFF) ? EFI_DEVICE_ERROR
: EFI_SUCCESS
;
1844 gBS
->RestoreTPL (OldTpl
);
1850 WinNtSimpleFileSystemGetPosition (
1852 OUT UINT64
*Position
1856 Routine Description:
1858 Get a file's current position.
1862 This - Pointer to an opened file handle.
1864 Position - Pointer to storage for the current position.
1868 EFI_SUCCESS - The file position has been reported.
1870 EFI_UNSUPPORTED - Not valid for directories.
1873 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
1876 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
1881 if (This
== NULL
|| Position
== NULL
) {
1882 return EFI_INVALID_PARAMETER
;
1885 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
1886 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
1891 if (PrivateFile
->IsDirectoryPath
) {
1893 Status
= EFI_UNSUPPORTED
;
1899 *Position
= PrivateFile
->WinNtThunk
->SetFilePointer (
1900 PrivateFile
->LHandle
,
1902 (PLONG
)&PositionHigh
,
1906 Status
= *Position
== 0xffffffff ? EFI_DEVICE_ERROR
: EFI_SUCCESS
;
1907 if (EFI_ERROR (Status
)) {
1911 PosHigh64
= PositionHigh
;
1912 *Position
+= LShiftU64 (PosHigh64
, 32);
1916 gBS
->RestoreTPL (OldTpl
);
1921 WinNtSimpleFileSystemFileInfo (
1922 IN WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
,
1923 IN OUT UINTN
*BufferSize
,
1928 Routine Description:
1930 TODO: Add function description
1934 PrivateFile - TODO: add argument description
1935 BufferSize - TODO: add argument description
1936 Buffer - TODO: add argument description
1940 TODO: add return values
1948 EFI_FILE_INFO
*Info
;
1949 BY_HANDLE_FILE_INFORMATION FileInfo
;
1950 SYSTEMTIME SystemTime
;
1951 CHAR16
*RealFileName
;
1952 CHAR16
*TempPointer
;
1953 EFI_FILE_INFO
*DirInfo
;
1956 EFI_STATUS DirStatus
;
1959 Size
= SIZE_OF_EFI_FILE_INFO
;
1960 NameSize
= StrSize (PrivateFile
->FileName
);
1961 ResultSize
= Size
+ NameSize
;
1963 Status
= EFI_BUFFER_TOO_SMALL
;
1964 if (*BufferSize
>= ResultSize
) {
1965 Status
= EFI_SUCCESS
;
1968 ZeroMem (Info
, ResultSize
);
1970 Info
->Size
= ResultSize
;
1971 PrivateFile
->WinNtThunk
->GetFileInformationByHandle (
1972 PrivateFile
->IsDirectoryPath
? PrivateFile
->DirHandle
: PrivateFile
->LHandle
,
1975 Info
->FileSize
= FileInfo
.nFileSizeLow
;
1976 Info
->PhysicalSize
= Info
->FileSize
;
1978 PrivateFile
->WinNtThunk
->FileTimeToSystemTime (&FileInfo
.ftCreationTime
, &SystemTime
);
1979 Info
->CreateTime
.Year
= SystemTime
.wYear
;
1980 Info
->CreateTime
.Month
= (UINT8
) SystemTime
.wMonth
;
1981 Info
->CreateTime
.Day
= (UINT8
) SystemTime
.wDay
;
1982 Info
->CreateTime
.Hour
= (UINT8
) SystemTime
.wHour
;
1983 Info
->CreateTime
.Minute
= (UINT8
) SystemTime
.wMinute
;
1984 Info
->CreateTime
.Second
= (UINT8
) SystemTime
.wSecond
;
1986 PrivateFile
->WinNtThunk
->FileTimeToSystemTime (&FileInfo
.ftLastAccessTime
, &SystemTime
);
1987 Info
->LastAccessTime
.Year
= SystemTime
.wYear
;
1988 Info
->LastAccessTime
.Month
= (UINT8
) SystemTime
.wMonth
;
1989 Info
->LastAccessTime
.Day
= (UINT8
) SystemTime
.wDay
;
1990 Info
->LastAccessTime
.Hour
= (UINT8
) SystemTime
.wHour
;
1991 Info
->LastAccessTime
.Minute
= (UINT8
) SystemTime
.wMinute
;
1992 Info
->LastAccessTime
.Second
= (UINT8
) SystemTime
.wSecond
;
1994 PrivateFile
->WinNtThunk
->FileTimeToSystemTime (&FileInfo
.ftLastWriteTime
, &SystemTime
);
1995 Info
->ModificationTime
.Year
= SystemTime
.wYear
;
1996 Info
->ModificationTime
.Month
= (UINT8
) SystemTime
.wMonth
;
1997 Info
->ModificationTime
.Day
= (UINT8
) SystemTime
.wDay
;
1998 Info
->ModificationTime
.Hour
= (UINT8
) SystemTime
.wHour
;
1999 Info
->ModificationTime
.Minute
= (UINT8
) SystemTime
.wMinute
;
2000 Info
->ModificationTime
.Second
= (UINT8
) SystemTime
.wSecond
;
2002 if (FileInfo
.dwFileAttributes
& FILE_ATTRIBUTE_ARCHIVE
) {
2003 Info
->Attribute
|= EFI_FILE_ARCHIVE
;
2006 if (FileInfo
.dwFileAttributes
& FILE_ATTRIBUTE_HIDDEN
) {
2007 Info
->Attribute
|= EFI_FILE_HIDDEN
;
2010 if (FileInfo
.dwFileAttributes
& FILE_ATTRIBUTE_READONLY
) {
2011 Info
->Attribute
|= EFI_FILE_READ_ONLY
;
2014 if (FileInfo
.dwFileAttributes
& FILE_ATTRIBUTE_SYSTEM
) {
2015 Info
->Attribute
|= EFI_FILE_SYSTEM
;
2018 if (FileInfo
.dwFileAttributes
& FILE_ATTRIBUTE_DIRECTORY
) {
2019 Info
->Attribute
|= EFI_FILE_DIRECTORY
;
2022 if (PrivateFile
->IsDirectoryPath
) {
2023 Info
->Attribute
|= EFI_FILE_DIRECTORY
;
2026 RealFileName
= PrivateFile
->FileName
;
2027 TempPointer
= RealFileName
;
2029 while (*TempPointer
) {
2030 if (*TempPointer
== '\\') {
2031 RealFileName
= TempPointer
+ 1;
2037 if (PrivateFile
->IsRootDirectory
) {
2038 *((CHAR8
*) Buffer
+ Size
) = 0;
2040 CopyMem ((CHAR8
*) Buffer
+ Size
, RealFileName
, NameSize
);
2043 if (Info
->Attribute
& EFI_FILE_DIRECTORY
) {
2045 // The GetFileInformationByHandle.nFileSizeLow is bogus for dir so we
2046 // need to do the same thing the caller would do to get the right value
2048 ASSERT (PrivateFile
->EfiFile
.Read
!= NULL
);
2049 DirStatus
= PrivateFile
->EfiFile
.GetPosition (&PrivateFile
->EfiFile
, &Location
);
2050 if (EFI_ERROR (DirStatus
)) {
2054 PrivateFile
->EfiFile
.SetPosition (&PrivateFile
->EfiFile
, 0);
2059 DirStatus
= PrivateFile
->EfiFile
.Read (&PrivateFile
->EfiFile
, &ReadSize
, DirInfo
);
2060 if (DirStatus
== EFI_BUFFER_TOO_SMALL
) {
2061 DirInfo
= AllocatePool (ReadSize
);
2062 if (DirInfo
!= NULL
) {
2064 // Read each dir entry to figure out how big the directory is
2066 DirStatus
= PrivateFile
->EfiFile
.Read (&PrivateFile
->EfiFile
, &ReadSize
, DirInfo
);
2067 if (!EFI_ERROR (DirStatus
) && (ReadSize
!= 0)) {
2068 Info
->FileSize
+= ReadSize
;
2074 } while (!EFI_ERROR (DirStatus
) && (ReadSize
!= 0));
2077 // reset the file possition back to the previous location
2079 PrivateFile
->EfiFile
.SetPosition (&PrivateFile
->EfiFile
, Location
);
2083 *BufferSize
= ResultSize
;
2089 WinNtSimpleFileSystemGetInfo (
2091 IN EFI_GUID
*InformationType
,
2092 IN OUT UINTN
*BufferSize
,
2097 Routine Description:
2099 Return information about a file or volume.
2103 This - Pointer to an opened file handle.
2105 InformationType - GUID describing the type of information to be returned.
2107 BufferSize - On input, the size of the information buffer. On output, the number of bytes written to the
2110 Buffer - Pointer to the first byte of the information buffer.
2114 EFI_SUCCESS - The requested information has been written into the buffer.
2116 EFI_UNSUPPORTED - The InformationType is not known.
2118 EFI_NO_MEDIA - The device has no media.
2120 EFI_DEVICE_ERROR - The device reported an error.
2122 EFI_VOLUME_CORRUPTED - The file system structures are corrupt.
2124 EFI_BUFFER_TOO_SMALL - The buffer size was too small to contain the requested information. The buffer size has
2125 been updated with the size needed to complete the requested operation.
2128 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
2131 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
2132 EFI_FILE_SYSTEM_INFO
*FileSystemInfoBuffer
;
2133 UINT32 SectorsPerCluster
;
2134 UINT32 BytesPerSector
;
2135 UINT32 FreeClusters
;
2136 UINT32 TotalClusters
;
2137 UINT32 BytesPerCluster
;
2139 BOOLEAN DriveNameFound
;
2142 WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
*PrivateRoot
;
2145 if (This
== NULL
|| InformationType
== NULL
|| BufferSize
== NULL
) {
2146 return EFI_INVALID_PARAMETER
;
2149 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
2151 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
2152 PrivateRoot
= WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile
->SimpleFileSystem
);
2154 Status
= EFI_UNSUPPORTED
;
2156 if (CompareGuid (InformationType
, &gEfiFileInfoGuid
)) {
2157 Status
= WinNtSimpleFileSystemFileInfo (PrivateFile
, BufferSize
, Buffer
);
2160 if (CompareGuid (InformationType
, &gEfiFileSystemInfoGuid
)) {
2161 if (*BufferSize
< SIZE_OF_EFI_FILE_SYSTEM_INFO
+ StrSize (PrivateRoot
->VolumeLabel
)) {
2162 *BufferSize
= SIZE_OF_EFI_FILE_SYSTEM_INFO
+ StrSize (PrivateRoot
->VolumeLabel
);
2163 Status
= EFI_BUFFER_TOO_SMALL
;
2167 FileSystemInfoBuffer
= (EFI_FILE_SYSTEM_INFO
*) Buffer
;
2168 FileSystemInfoBuffer
->Size
= SIZE_OF_EFI_FILE_SYSTEM_INFO
+ StrSize (PrivateRoot
->VolumeLabel
);
2169 FileSystemInfoBuffer
->ReadOnly
= FALSE
;
2172 // Try to get the drive name
2174 DriveNameFound
= FALSE
;
2175 DriveName
= AllocatePool (StrSize (PrivateFile
->FilePath
) + 1);
2176 if (DriveName
== NULL
) {
2177 Status
= EFI_OUT_OF_RESOURCES
;
2181 StrCpy (DriveName
, PrivateFile
->FilePath
);
2182 for (Index
= 0; DriveName
[Index
] != 0 && DriveName
[Index
] != ':'; Index
++) {
2186 if (DriveName
[Index
] == ':') {
2187 DriveName
[Index
+ 1] = '\\';
2188 DriveName
[Index
+ 2] = 0;
2189 DriveNameFound
= TRUE
;
2190 } else if (DriveName
[0] == '\\' && DriveName
[1] == '\\') {
2191 for (Index
= 2; DriveName
[Index
] != 0 && DriveName
[Index
] != '\\'; Index
++) {
2195 if (DriveName
[Index
] == '\\') {
2196 DriveNameFound
= TRUE
;
2197 for (Index
++; DriveName
[Index
] != 0 && DriveName
[Index
] != '\\'; Index
++) {
2201 DriveName
[Index
] = '\\';
2202 DriveName
[Index
+ 1] = 0;
2207 // Try GetDiskFreeSpace first
2209 NtStatus
= PrivateFile
->WinNtThunk
->GetDiskFreeSpace (
2210 DriveNameFound
? DriveName
: NULL
,
2211 (LPDWORD
)&SectorsPerCluster
,
2212 (LPDWORD
)&BytesPerSector
,
2213 (LPDWORD
)&FreeClusters
,
2214 (LPDWORD
)&TotalClusters
2217 FreePool (DriveName
);
2224 BytesPerCluster
= BytesPerSector
* SectorsPerCluster
;
2225 FileSystemInfoBuffer
->VolumeSize
= MultU64x32 (TotalClusters
, BytesPerCluster
);
2226 FileSystemInfoBuffer
->FreeSpace
= MultU64x32 (FreeClusters
, BytesPerCluster
);
2227 FileSystemInfoBuffer
->BlockSize
= BytesPerCluster
;
2231 // try GetDiskFreeSpaceEx then
2233 FileSystemInfoBuffer
->BlockSize
= 0;
2234 NtStatus
= PrivateFile
->WinNtThunk
->GetDiskFreeSpaceEx (
2235 PrivateFile
->FilePath
,
2236 (PULARGE_INTEGER
) (&FileSystemInfoBuffer
->FreeSpace
),
2237 (PULARGE_INTEGER
) (&FileSystemInfoBuffer
->VolumeSize
),
2241 Status
= EFI_DEVICE_ERROR
;
2246 StrCpy ((CHAR16
*) FileSystemInfoBuffer
->VolumeLabel
, PrivateRoot
->VolumeLabel
);
2247 *BufferSize
= SIZE_OF_EFI_FILE_SYSTEM_INFO
+ StrSize (PrivateRoot
->VolumeLabel
);
2248 Status
= EFI_SUCCESS
;
2251 if (CompareGuid (InformationType
, &gEfiFileSystemVolumeLabelInfoIdGuid
)) {
2252 if (*BufferSize
< StrSize (PrivateRoot
->VolumeLabel
)) {
2253 *BufferSize
= StrSize (PrivateRoot
->VolumeLabel
);
2254 Status
= EFI_BUFFER_TOO_SMALL
;
2258 StrCpy ((CHAR16
*) Buffer
, PrivateRoot
->VolumeLabel
);
2259 *BufferSize
= StrSize (PrivateRoot
->VolumeLabel
);
2260 Status
= EFI_SUCCESS
;
2264 gBS
->RestoreTPL (OldTpl
);
2270 WinNtSimpleFileSystemSetInfo (
2272 IN EFI_GUID
*InformationType
,
2273 IN UINTN BufferSize
,
2278 Routine Description:
2280 Set information about a file or volume.
2284 This - Pointer to an opened file handle.
2286 InformationType - GUID identifying the type of information to set.
2288 BufferSize - Number of bytes of data in the information buffer.
2290 Buffer - Pointer to the first byte of data in the information buffer.
2294 EFI_SUCCESS - The file or volume information has been updated.
2296 EFI_UNSUPPORTED - The information identifier is not recognised.
2298 EFI_NO_MEDIA - The device has no media.
2300 EFI_DEVICE_ERROR - The device reported an error.
2302 EFI_VOLUME_CORRUPTED - The file system structures are corrupt.
2304 EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.
2306 EFI_ACCESS_DENIED - The file was opened read-only.
2308 EFI_VOLUME_FULL - The volume is full.
2310 EFI_BAD_BUFFER_SIZE - The buffer size is smaller than the type indicated by InformationType.
2313 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
2314 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
2316 WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE
*PrivateRoot
;
2317 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
2318 EFI_FILE_INFO
*OldFileInfo
;
2319 EFI_FILE_INFO
*NewFileInfo
;
2325 CHAR16
*OldFileName
;
2326 CHAR16
*NewFileName
;
2327 CHAR16
*TempFileName
;
2328 CHAR16
*CharPointer
;
2329 BOOLEAN AttrChangeFlag
;
2330 BOOLEAN NameChangeFlag
;
2331 BOOLEAN SizeChangeFlag
;
2332 BOOLEAN TimeChangeFlag
;
2334 SYSTEMTIME NewCreationSystemTime
;
2335 SYSTEMTIME NewLastAccessSystemTime
;
2336 SYSTEMTIME NewLastWriteSystemTime
;
2337 FILETIME NewCreationFileTime
;
2338 FILETIME NewLastAccessFileTime
;
2339 FILETIME NewLastWriteFileTime
;
2340 WIN32_FIND_DATA FindBuf
;
2341 EFI_FILE_SYSTEM_INFO
*NewFileSystemInfo
;
2346 // Check for invalid parameters.
2348 if (This
== NULL
|| InformationType
== NULL
|| BufferSize
== 0 || Buffer
== NULL
) {
2349 return EFI_INVALID_PARAMETER
;
2352 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
2355 // Initialise locals.
2357 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
2358 PrivateRoot
= WIN_NT_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile
->SimpleFileSystem
);
2360 Status
= EFI_UNSUPPORTED
;
2361 OldFileInfo
= NewFileInfo
= NULL
;
2362 OldFileName
= NewFileName
= NULL
;
2363 AttrChangeFlag
= NameChangeFlag
= SizeChangeFlag
= TimeChangeFlag
= FALSE
;
2366 // Set file system information.
2368 if (CompareGuid (InformationType
, &gEfiFileSystemInfoGuid
)) {
2369 if (BufferSize
< SIZE_OF_EFI_FILE_SYSTEM_INFO
+ StrSize (PrivateRoot
->VolumeLabel
)) {
2370 Status
= EFI_BAD_BUFFER_SIZE
;
2374 NewFileSystemInfo
= (EFI_FILE_SYSTEM_INFO
*) Buffer
;
2376 FreePool (PrivateRoot
->VolumeLabel
);
2377 PrivateRoot
->VolumeLabel
= AllocatePool (StrSize (NewFileSystemInfo
->VolumeLabel
));
2378 if (PrivateRoot
->VolumeLabel
== NULL
) {
2379 Status
= EFI_OUT_OF_RESOURCES
;
2383 StrCpy (PrivateRoot
->VolumeLabel
, NewFileSystemInfo
->VolumeLabel
);
2385 Status
= EFI_SUCCESS
;
2390 // Set volume label information.
2392 if (CompareGuid (InformationType
, &gEfiFileSystemVolumeLabelInfoIdGuid
)) {
2393 if (BufferSize
< StrSize (PrivateRoot
->VolumeLabel
)) {
2394 Status
= EFI_BAD_BUFFER_SIZE
;
2398 StrCpy (PrivateRoot
->VolumeLabel
, (CHAR16
*) Buffer
);
2400 Status
= EFI_SUCCESS
;
2404 if (!CompareGuid (InformationType
, &gEfiFileInfoGuid
)) {
2405 Status
= EFI_UNSUPPORTED
;
2409 if (BufferSize
< SIZE_OF_EFI_FILE_INFO
) {
2410 Status
= EFI_BAD_BUFFER_SIZE
;
2415 // Set file/directory information.
2419 // Check for invalid set file information parameters.
2421 NewFileInfo
= (EFI_FILE_INFO
*) Buffer
;
2423 if (NewFileInfo
->Size
<= sizeof (EFI_FILE_INFO
) ||
2424 (NewFileInfo
->Attribute
&~(EFI_FILE_VALID_ATTR
)) ||
2425 (sizeof (UINTN
) == 4 && NewFileInfo
->Size
> 0xFFFFFFFF)
2427 Status
= EFI_INVALID_PARAMETER
;
2432 // bugbug: - This is not safe. We need something like EfiStrMaxSize()
2433 // that would have an additional parameter that would be the size
2434 // of the string array just in case there are no NULL characters in
2435 // the string array.
2438 // Get current file information so we can determine what kind
2439 // of change request this is.
2442 Status
= WinNtSimpleFileSystemFileInfo (PrivateFile
, &OldInfoSize
, NULL
);
2444 if (Status
!= EFI_BUFFER_TOO_SMALL
) {
2445 Status
= EFI_DEVICE_ERROR
;
2449 OldFileInfo
= AllocatePool (OldInfoSize
);
2450 if (OldFileInfo
== NULL
) {
2451 Status
= EFI_OUT_OF_RESOURCES
;
2455 Status
= WinNtSimpleFileSystemFileInfo (PrivateFile
, &OldInfoSize
, OldFileInfo
);
2457 if (EFI_ERROR (Status
)) {
2461 OldFileName
= AllocatePool (StrSize (PrivateFile
->FileName
));
2462 if (OldFileName
== NULL
) {
2463 Status
= EFI_OUT_OF_RESOURCES
;
2467 StrCpy (OldFileName
, PrivateFile
->FileName
);
2470 // Make full pathname from new filename and rootpath.
2472 if (NewFileInfo
->FileName
[0] == '\\') {
2473 Size
= StrSize (PrivateRoot
->FilePath
);
2474 Size
+= StrSize (L
"\\");
2475 Size
+= StrSize (NewFileInfo
->FileName
);
2476 NewFileName
= AllocatePool (Size
);
2477 if (NewFileName
== NULL
) {
2478 Status
= EFI_OUT_OF_RESOURCES
;
2482 StrCpy (NewFileName
, PrivateRoot
->FilePath
);
2483 StrCat (NewFileName
, L
"\\");
2484 StrCat (NewFileName
, NewFileInfo
->FileName
+ 1);
2486 Size
= StrSize (PrivateFile
->FilePath
);
2487 Size
+= StrSize (L
"\\");
2488 Size
+= StrSize (NewFileInfo
->FileName
);
2489 NewFileName
= AllocatePool (Size
);
2490 if (NewFileName
== NULL
) {
2491 Status
= EFI_OUT_OF_RESOURCES
;
2495 StrCpy (NewFileName
, PrivateFile
->FilePath
);
2496 StrCat (NewFileName
, L
"\\");
2497 StrCat (NewFileName
, NewFileInfo
->FileName
);
2501 // Is there an attribute change request?
2503 if (NewFileInfo
->Attribute
!= OldFileInfo
->Attribute
) {
2504 if ((NewFileInfo
->Attribute
& EFI_FILE_DIRECTORY
) != (OldFileInfo
->Attribute
& EFI_FILE_DIRECTORY
)) {
2505 Status
= EFI_INVALID_PARAMETER
;
2509 AttrChangeFlag
= TRUE
;
2513 // Is there a name change request?
2514 // bugbug: - Need EfiStrCaseCmp()
2516 if (StrCmp (NewFileInfo
->FileName
, OldFileInfo
->FileName
)) {
2517 NameChangeFlag
= TRUE
;
2521 // Is there a size change request?
2523 if (NewFileInfo
->FileSize
!= OldFileInfo
->FileSize
) {
2524 SizeChangeFlag
= TRUE
;
2528 // Is there a time stamp change request?
2530 if (!IsZero (&NewFileInfo
->CreateTime
, sizeof (EFI_TIME
)) &&
2531 CompareMem (&NewFileInfo
->CreateTime
, &OldFileInfo
->CreateTime
, sizeof (EFI_TIME
))
2533 TimeChangeFlag
= TRUE
;
2534 } else if (!IsZero (&NewFileInfo
->LastAccessTime
, sizeof (EFI_TIME
)) &&
2535 CompareMem (&NewFileInfo
->LastAccessTime
, &OldFileInfo
->LastAccessTime
, sizeof (EFI_TIME
))
2537 TimeChangeFlag
= TRUE
;
2538 } else if (!IsZero (&NewFileInfo
->ModificationTime
, sizeof (EFI_TIME
)) &&
2539 CompareMem (&NewFileInfo
->ModificationTime
, &OldFileInfo
->ModificationTime
, sizeof (EFI_TIME
))
2541 TimeChangeFlag
= TRUE
;
2545 // All done if there are no change requests being made.
2547 if (!(AttrChangeFlag
|| NameChangeFlag
|| SizeChangeFlag
|| TimeChangeFlag
)) {
2548 Status
= EFI_SUCCESS
;
2553 // Set file or directory information.
2555 OldAttr
= PrivateFile
->WinNtThunk
->GetFileAttributes (OldFileName
);
2560 if (NameChangeFlag
) {
2562 // Close the handles first
2564 if (PrivateFile
->IsOpenedByRead
) {
2565 Status
= EFI_ACCESS_DENIED
;
2569 for (CharPointer
= NewFileName
; *CharPointer
!= 0 && *CharPointer
!= L
'/'; CharPointer
++) {
2572 if (*CharPointer
!= 0) {
2573 Status
= EFI_ACCESS_DENIED
;
2577 if (PrivateFile
->LHandle
!= INVALID_HANDLE_VALUE
) {
2578 if (PrivateFile
->IsDirectoryPath
) {
2579 PrivateFile
->WinNtThunk
->FindClose (PrivateFile
->LHandle
);
2581 PrivateFile
->WinNtThunk
->CloseHandle (PrivateFile
->LHandle
);
2582 PrivateFile
->LHandle
= INVALID_HANDLE_VALUE
;
2586 if (PrivateFile
->IsDirectoryPath
&& PrivateFile
->DirHandle
!= INVALID_HANDLE_VALUE
) {
2587 PrivateFile
->WinNtThunk
->CloseHandle (PrivateFile
->DirHandle
);
2588 PrivateFile
->DirHandle
= INVALID_HANDLE_VALUE
;
2591 NtStatus
= PrivateFile
->WinNtThunk
->MoveFile (OldFileName
, NewFileName
);
2597 FreePool (PrivateFile
->FileName
);
2599 PrivateFile
->FileName
= AllocatePool (StrSize (NewFileName
));
2600 if (PrivateFile
->FileName
== NULL
) {
2601 Status
= EFI_OUT_OF_RESOURCES
;
2605 StrCpy (PrivateFile
->FileName
, NewFileName
);
2607 Size
= StrSize (NewFileName
);
2608 Size
+= StrSize (L
"\\*");
2609 TempFileName
= AllocatePool (Size
);
2611 StrCpy (TempFileName
, NewFileName
);
2613 if (!PrivateFile
->IsDirectoryPath
) {
2614 PrivateFile
->LHandle
= PrivateFile
->WinNtThunk
->CreateFile (
2616 PrivateFile
->IsOpenedByRead
? GENERIC_READ
: GENERIC_READ
| GENERIC_WRITE
,
2617 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2624 FreePool (TempFileName
);
2627 // Flush buffers just in case
2629 if (PrivateFile
->WinNtThunk
->FlushFileBuffers (PrivateFile
->LHandle
) == 0) {
2630 Status
= EFI_DEVICE_ERROR
;
2634 PrivateFile
->DirHandle
= PrivateFile
->WinNtThunk
->CreateFile (
2636 PrivateFile
->IsOpenedByRead
? GENERIC_READ
: GENERIC_READ
| GENERIC_WRITE
,
2637 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2640 FILE_FLAG_BACKUP_SEMANTICS
,
2644 StrCat (TempFileName
, L
"\\*");
2645 PrivateFile
->LHandle
= PrivateFile
->WinNtThunk
->FindFirstFile (TempFileName
, &FindBuf
);
2647 FreePool (TempFileName
);
2651 Status
= EFI_DEVICE_ERROR
;
2653 NtStatus
= PrivateFile
->WinNtThunk
->SetFileAttributes (OldFileName
, OldAttr
);
2659 Size
= StrSize (OldFileName
);
2660 Size
+= StrSize (L
"\\*");
2661 TempFileName
= AllocatePool (Size
);
2663 StrCpy (TempFileName
, OldFileName
);
2665 if (!PrivateFile
->IsDirectoryPath
) {
2666 PrivateFile
->LHandle
= PrivateFile
->WinNtThunk
->CreateFile (
2668 PrivateFile
->IsOpenedByRead
? GENERIC_READ
: GENERIC_READ
| GENERIC_WRITE
,
2669 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2676 PrivateFile
->DirHandle
= PrivateFile
->WinNtThunk
->CreateFile (
2678 PrivateFile
->IsOpenedByRead
? GENERIC_READ
: GENERIC_READ
| GENERIC_WRITE
,
2679 FILE_SHARE_READ
| FILE_SHARE_WRITE
,
2682 FILE_FLAG_BACKUP_SEMANTICS
,
2686 StrCat (TempFileName
, L
"\\*");
2687 PrivateFile
->LHandle
= PrivateFile
->WinNtThunk
->FindFirstFile (TempFileName
, &FindBuf
);
2690 FreePool (TempFileName
);
2700 if (SizeChangeFlag
) {
2701 if (PrivateFile
->IsDirectoryPath
) {
2702 Status
= EFI_UNSUPPORTED
;
2706 if (PrivateFile
->IsOpenedByRead
|| OldFileInfo
->Attribute
& EFI_FILE_READ_ONLY
) {
2707 Status
= EFI_ACCESS_DENIED
;
2711 Status
= This
->GetPosition (This
, &CurPos
);
2712 if (EFI_ERROR (Status
)) {
2716 Status
= This
->SetPosition (This
, NewFileInfo
->FileSize
);
2717 if (EFI_ERROR (Status
)) {
2721 if (PrivateFile
->WinNtThunk
->SetEndOfFile (PrivateFile
->LHandle
) == 0) {
2722 Status
= EFI_DEVICE_ERROR
;
2726 Status
= This
->SetPosition (This
, CurPos
);
2727 if (EFI_ERROR (Status
)) {
2735 if (TimeChangeFlag
) {
2737 NewCreationSystemTime
.wYear
= NewFileInfo
->CreateTime
.Year
;
2738 NewCreationSystemTime
.wMonth
= NewFileInfo
->CreateTime
.Month
;
2739 NewCreationSystemTime
.wDay
= NewFileInfo
->CreateTime
.Day
;
2740 NewCreationSystemTime
.wHour
= NewFileInfo
->CreateTime
.Hour
;
2741 NewCreationSystemTime
.wMinute
= NewFileInfo
->CreateTime
.Minute
;
2742 NewCreationSystemTime
.wSecond
= NewFileInfo
->CreateTime
.Second
;
2743 NewCreationSystemTime
.wMilliseconds
= 0;
2745 if (!PrivateFile
->WinNtThunk
->SystemTimeToFileTime (
2746 &NewCreationSystemTime
,
2747 &NewCreationFileTime
2752 NewLastAccessSystemTime
.wYear
= NewFileInfo
->LastAccessTime
.Year
;
2753 NewLastAccessSystemTime
.wMonth
= NewFileInfo
->LastAccessTime
.Month
;
2754 NewLastAccessSystemTime
.wDay
= NewFileInfo
->LastAccessTime
.Day
;
2755 NewLastAccessSystemTime
.wHour
= NewFileInfo
->LastAccessTime
.Hour
;
2756 NewLastAccessSystemTime
.wMinute
= NewFileInfo
->LastAccessTime
.Minute
;
2757 NewLastAccessSystemTime
.wSecond
= NewFileInfo
->LastAccessTime
.Second
;
2758 NewLastAccessSystemTime
.wMilliseconds
= 0;
2760 if (!PrivateFile
->WinNtThunk
->SystemTimeToFileTime (
2761 &NewLastAccessSystemTime
,
2762 &NewLastAccessFileTime
2767 NewLastWriteSystemTime
.wYear
= NewFileInfo
->ModificationTime
.Year
;
2768 NewLastWriteSystemTime
.wMonth
= NewFileInfo
->ModificationTime
.Month
;
2769 NewLastWriteSystemTime
.wDay
= NewFileInfo
->ModificationTime
.Day
;
2770 NewLastWriteSystemTime
.wHour
= NewFileInfo
->ModificationTime
.Hour
;
2771 NewLastWriteSystemTime
.wMinute
= NewFileInfo
->ModificationTime
.Minute
;
2772 NewLastWriteSystemTime
.wSecond
= NewFileInfo
->ModificationTime
.Second
;
2773 NewLastWriteSystemTime
.wMilliseconds
= 0;
2775 if (!PrivateFile
->WinNtThunk
->SystemTimeToFileTime (
2776 &NewLastWriteSystemTime
,
2777 &NewLastWriteFileTime
2782 if (!PrivateFile
->WinNtThunk
->SetFileTime (
2783 PrivateFile
->IsDirectoryPath
? PrivateFile
->DirHandle
: PrivateFile
->LHandle
,
2784 &NewCreationFileTime
,
2785 &NewLastAccessFileTime
,
2786 &NewLastWriteFileTime
2788 Status
= EFI_DEVICE_ERROR
;
2795 // No matter about AttrChangeFlag, Attribute must be set.
2796 // Because operation before may cause attribute change.
2800 if (NewFileInfo
->Attribute
& EFI_FILE_ARCHIVE
) {
2801 NewAttr
|= FILE_ATTRIBUTE_ARCHIVE
;
2803 NewAttr
&= ~FILE_ATTRIBUTE_ARCHIVE
;
2806 if (NewFileInfo
->Attribute
& EFI_FILE_HIDDEN
) {
2807 NewAttr
|= FILE_ATTRIBUTE_HIDDEN
;
2809 NewAttr
&= ~FILE_ATTRIBUTE_HIDDEN
;
2812 if (NewFileInfo
->Attribute
& EFI_FILE_SYSTEM
) {
2813 NewAttr
|= FILE_ATTRIBUTE_SYSTEM
;
2815 NewAttr
&= ~FILE_ATTRIBUTE_SYSTEM
;
2818 if (NewFileInfo
->Attribute
& EFI_FILE_READ_ONLY
) {
2819 NewAttr
|= FILE_ATTRIBUTE_READONLY
;
2821 NewAttr
&= ~FILE_ATTRIBUTE_READONLY
;
2824 NtStatus
= PrivateFile
->WinNtThunk
->SetFileAttributes (NewFileName
, NewAttr
);
2831 if (OldFileInfo
!= NULL
) {
2832 FreePool (OldFileInfo
);
2835 if (OldFileName
!= NULL
) {
2836 FreePool (OldFileName
);
2839 if (NewFileName
!= NULL
) {
2840 FreePool (NewFileName
);
2843 gBS
->RestoreTPL (OldTpl
);
2849 WinNtSimpleFileSystemFlush (
2854 Routine Description:
2856 Flush all modified data to the media.
2860 This - Pointer to an opened file handle.
2864 EFI_SUCCESS - The data has been flushed.
2866 EFI_NO_MEDIA - The device has no media.
2868 EFI_DEVICE_ERROR - The device reported an error.
2870 EFI_VOLUME_CORRUPTED - The file system structures have been corrupted.
2872 EFI_WRITE_PROTECTED - The file, directory, volume, or device is write protected.
2874 EFI_ACCESS_DENIED - The file was opened read-only.
2876 EFI_VOLUME_FULL - The volume is full.
2879 // TODO: EFI_INVALID_PARAMETER - add return value to function comment
2881 BY_HANDLE_FILE_INFORMATION FileInfo
;
2882 WIN_NT_EFI_FILE_PRIVATE
*PrivateFile
;
2887 return EFI_INVALID_PARAMETER
;
2890 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
2892 PrivateFile
= WIN_NT_EFI_FILE_PRIVATE_DATA_FROM_THIS (This
);
2894 if (PrivateFile
->LHandle
== INVALID_HANDLE_VALUE
) {
2895 Status
= EFI_DEVICE_ERROR
;
2899 if (PrivateFile
->IsDirectoryPath
) {
2900 Status
= EFI_SUCCESS
;
2904 if (PrivateFile
->IsOpenedByRead
) {
2905 Status
= EFI_ACCESS_DENIED
;
2909 PrivateFile
->WinNtThunk
->GetFileInformationByHandle (PrivateFile
->LHandle
, &FileInfo
);
2911 if (FileInfo
.dwFileAttributes
& FILE_ATTRIBUTE_READONLY
) {
2912 Status
= EFI_ACCESS_DENIED
;
2916 Status
= PrivateFile
->WinNtThunk
->FlushFileBuffers (PrivateFile
->LHandle
) ? EFI_SUCCESS
: EFI_DEVICE_ERROR
;
2919 gBS
->RestoreTPL (OldTpl
);
2922 // bugbug: - Use Windows error reporting.