-/*++ @file
- POSIX Pthreads to emulate APs and implement threads
-
-Copyright (c) 2011, Apple Inc. 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.
-
-
-**/
-
-#include "SecMain.h"
-
-
-#define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 's')
-
-typedef struct {
- UINTN Signature;
- EMU_IO_THUNK_PROTOCOL *Thunk;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFileSystem;
- CHAR8 *FilePath;
- CHAR16 *VolumeLabel;
- BOOLEAN FileHandlesOpen;
-} EMU_SIMPLE_FILE_SYSTEM_PRIVATE;
-
-#define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS(a) \
- CR (a, \
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE, \
- SimpleFileSystem, \
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE \
- )
-
-
-#define EMU_EFI_FILE_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 'i')
-
-typedef struct {
- UINTN Signature;
- EMU_IO_THUNK_PROTOCOL *Thunk;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;
- EFI_FILE_PROTOCOL EfiFile;
- int fd;
- DIR *Dir;
- BOOLEAN IsRootDirectory;
- BOOLEAN IsDirectoryPath;
- BOOLEAN IsOpenedByRead;
- char *FileName;
- struct dirent *Dirent;
-} EMU_EFI_FILE_PRIVATE;
-
-#define EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS(a) \
- CR (a, \
- EMU_EFI_FILE_PRIVATE, \
- EfiFile, \
- EMU_EFI_FILE_PRIVATE_SIGNATURE \
- )
-
-EFI_STATUS
-PosixFileGetInfo (
- IN EFI_FILE_PROTOCOL *This,
- IN EFI_GUID *InformationType,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- );
-
-EFI_STATUS
-PosixFileSetInfo (
- IN EFI_FILE_PROTOCOL *This,
- IN EFI_GUID *InformationType,
- IN UINTN BufferSize,
- IN VOID *Buffer
- );
-
-
-EFI_FILE_PROTOCOL gPosixFileProtocol = {
- EFI_FILE_REVISION,
- GasketPosixFileOpen,
- GasketPosixFileCLose,
- GasketPosixFileDelete,
- GasketPosixFileRead,
- GasketPosixFileWrite,
- GasketPosixFileGetPossition,
- GasketPosixFileSetPossition,
- GasketPosixFileGetInfo,
- GasketPosixFileSetInfo,
- GasketPosixFileFlush
-};
-
-EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gPosixFileSystemProtocol = {
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION,
- GasketPosixOpenVolume,
-};
-
-
-/**
- Open the root directory on a volume.
-
- @param This Protocol instance pointer.
- @param Root Returns an Open file handle for the root directory
-
- @retval EFI_SUCCESS The device was opened.
- @retval EFI_UNSUPPORTED This volume does not support the file system.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_ACCESS_DENIED The service denied access to the file.
- @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.
-
-**/
-EFI_STATUS
-PosixOpenVolume (
- IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
- OUT EFI_FILE_PROTOCOL **Root
- )
-{
- EFI_STATUS Status;
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;
- EMU_EFI_FILE_PRIVATE *PrivateFile;
-
- Private = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);
-
- Status = EFI_OUT_OF_RESOURCES;
- PrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));
- if (PrivateFile == NULL) {
- goto Done;
- }
-
- PrivateFile->FileName = malloc (AsciiStrSize (Private->FilePath));
- if (PrivateFile->FileName == NULL) {
- goto Done;
- }
- AsciiStrCpy (PrivateFile->FileName, Private->FilePath);
-
- PrivateFile->Signature = EMU_EFI_FILE_PRIVATE_SIGNATURE;
- PrivateFile->Thunk = Private->Thunk;
- PrivateFile->SimpleFileSystem = This;
- PrivateFile->IsRootDirectory = TRUE;
- PrivateFile->IsDirectoryPath = TRUE;
- PrivateFile->IsOpenedByRead = TRUE;
-
- CopyMem (&PrivateFile->EfiFile, &gPosixFileProtocol, sizeof (EFI_FILE_PROTOCOL));
-
- PrivateFile->fd = -1;
- PrivateFile->Dir = NULL;
- PrivateFile->Dirent = NULL;
-
- *Root = &PrivateFile->EfiFile;
-
- PrivateFile->Dir = opendir (PrivateFile->FileName);
- if (PrivateFile->Dir == NULL) {
- Status = EFI_ACCESS_DENIED;
- } else {
- Status = EFI_SUCCESS;
- }
-
-Done:
- if (EFI_ERROR (Status)) {
- if (PrivateFile != NULL) {
- if (PrivateFile->FileName != NULL) {
- free (PrivateFile->FileName);
- }
-
- free (PrivateFile);
- }
-
- *Root = NULL;
- }
-
- return Status;
-}
-
-
-EFI_STATUS
-ErrnoToEfiStatus ()
-{
- switch (errno) {
- case EACCES:
- return EFI_ACCESS_DENIED;
-
- case EDQUOT:
- case ENOSPC:
- return EFI_VOLUME_FULL;
-
- default:
- return EFI_DEVICE_ERROR;
- }
-}
-
-VOID
-CutPrefix (
- IN CHAR8 *Str,
- IN UINTN Count
- )
-{
- CHAR8 *Pointer;
-
- if (AsciiStrLen (Str) < Count) {
- ASSERT (0);
- }
-
- for (Pointer = Str; *(Pointer + Count); Pointer++) {
- *Pointer = *(Pointer + Count);
- }
-
- *Pointer = *(Pointer + Count);
-}
-
-
-VOID
-PosixSystemTimeToEfiTime (
- IN time_t SystemTime,
- OUT EFI_TIME *Time
- )
-{
- struct tm *tm;
-
- tm = gmtime (&SystemTime);
- Time->Year = tm->tm_year;
- Time->Month = tm->tm_mon + 1;
- Time->Day = tm->tm_mday;
- Time->Hour = tm->tm_hour;
- Time->Minute = tm->tm_min;
- Time->Second = tm->tm_sec;
- Time->Nanosecond = 0;
-
- Time->TimeZone = timezone;
- Time->Daylight = (daylight ? EFI_TIME_ADJUST_DAYLIGHT : 0) | (tm->tm_isdst > 0 ? EFI_TIME_IN_DAYLIGHT : 0);
-}
-
-
-EFI_STATUS
-UnixSimpleFileSystemFileInfo (
- EMU_EFI_FILE_PRIVATE *PrivateFile,
- IN CHAR8 *FileName,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-{
- EFI_STATUS Status;
- UINTN Size;
- UINTN NameSize;
- UINTN ResultSize;
- EFI_FILE_INFO *Info;
- CHAR8 *RealFileName;
- CHAR8 *TempPointer;
- CHAR16 *BufferFileName;
- struct stat buf;
-
- if (FileName != NULL) {
- RealFileName = FileName;
- } else if (PrivateFile->IsRootDirectory) {
- RealFileName = "";
- } else {
- RealFileName = PrivateFile->FileName;
- }
-
- TempPointer = RealFileName;
- while (*TempPointer) {
- if (*TempPointer == '/') {
- RealFileName = TempPointer + 1;
- }
-
- TempPointer++;
- }
-
- Size = SIZE_OF_EFI_FILE_INFO;
- NameSize = AsciiStrSize (RealFileName) * 2;
- ResultSize = Size + NameSize;
-
- if (*BufferSize < ResultSize) {
- *BufferSize = ResultSize;
- return EFI_BUFFER_TOO_SMALL;
- }
- if (stat (FileName == NULL ? PrivateFile->FileName : FileName, &buf) < 0) {
- return EFI_DEVICE_ERROR;
- }
-
- Status = EFI_SUCCESS;
-
- Info = Buffer;
- ZeroMem (Info, ResultSize);
-
- Info->Size = ResultSize;
- Info->FileSize = buf.st_size;
- Info->PhysicalSize = MultU64x32 (buf.st_blocks, buf.st_blksize);
-
- PosixSystemTimeToEfiTime (buf.st_ctime, &Info->CreateTime);
- PosixSystemTimeToEfiTime (buf.st_atime, &Info->LastAccessTime);
- PosixSystemTimeToEfiTime (buf.st_mtime, &Info->ModificationTime);
-
- if (!(buf.st_mode & S_IWUSR)) {
- Info->Attribute |= EFI_FILE_READ_ONLY;
- }
-
- if (S_ISDIR(buf.st_mode)) {
- Info->Attribute |= EFI_FILE_DIRECTORY;
- }
-
-
- BufferFileName = (CHAR16 *)((CHAR8 *) Buffer + Size);
- while (*RealFileName) {
- *BufferFileName++ = *RealFileName++;
- }
- *BufferFileName = 0;
-
- *BufferSize = ResultSize;
- return Status;
-}
-
-BOOLEAN
-IsZero (
- IN VOID *Buffer,
- IN UINTN Length
- )
-{
- 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;
-}
-
-
-
-/**
- Opens a new file relative to the source file's location.
-
- @param This The protocol instance pointer.
- @param NewHandle Returns File Handle for FileName.
- @param FileName Null terminated string. "\", ".", and ".." are supported.
- @param OpenMode Open mode for file.
- @param Attributes Only used for EFI_FILE_MODE_CREATE.
-
- @retval EFI_SUCCESS The device was opened.
- @retval EFI_NOT_FOUND The specified file could not be found on the device.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_MEDIA_CHANGED The media has changed.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_ACCESS_DENIED The service denied access to the file.
- @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.
- @retval EFI_VOLUME_FULL The volume is full.
-
-**/
-EFI_STATUS
-PosixFileOpen (
- IN EFI_FILE_PROTOCOL *This,
- OUT EFI_FILE_PROTOCOL **NewHandle,
- IN CHAR16 *FileName,
- IN UINT64 OpenMode,
- IN UINT64 Attributes
- )
-{
- EFI_FILE_PROTOCOL *Root;
- EMU_EFI_FILE_PRIVATE *PrivateFile;
- EMU_EFI_FILE_PRIVATE *NewPrivateFile;
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;
- EFI_STATUS Status;
- CHAR16 *Src;
- char *Dst;
- CHAR8 *RealFileName;
- char *ParseFileName;
- char *GuardPointer;
- CHAR8 TempChar;
- UINTN Count;
- BOOLEAN TrailingDash;
- BOOLEAN LoopFinish;
- UINTN InfoSize;
- EFI_FILE_INFO *Info;
- struct stat finfo;
- int res;
-
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);
- NewPrivateFile = NULL;
- Status = EFI_OUT_OF_RESOURCES;
-
- //
- // BUGBUG: assume an open of root
- // if current location, return current data
- //
- if ((StrCmp (FileName, L"\\") == 0) ||
- (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) {
-OpenRoot:
- Status = PosixOpenVolume (PrivateFile->SimpleFileSystem, &Root);
- NewPrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);
- goto Done;
- }
-
- TrailingDash = FALSE;
- if (FileName[StrLen (FileName) - 1] == L'\\') {
- TrailingDash = TRUE;
- FileName[StrLen (FileName) - 1] = 0;
- }
-
- //
- // Attempt to open the file
- //
- NewPrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));
- if (NewPrivateFile == NULL) {
- goto Done;
- }
-
- CopyMem (NewPrivateFile, PrivateFile, sizeof (EMU_EFI_FILE_PRIVATE));
-
- NewPrivateFile->FileName = malloc (AsciiStrSize (PrivateFile->FileName) + 1 + StrLen (FileName) + 1);
- if (NewPrivateFile->FileName == NULL) {
- goto Done;
- }
-
- if (*FileName == L'\\') {
- AsciiStrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);
- // Skip first '\'.
- Src = FileName + 1;
- } else {
- AsciiStrCpy (NewPrivateFile->FileName, PrivateFile->FileName);
- Src = FileName;
- }
- Dst = NewPrivateFile->FileName + AsciiStrLen (NewPrivateFile->FileName);
- GuardPointer = NewPrivateFile->FileName + AsciiStrLen (PrivateRoot->FilePath);
- *Dst++ = '/';
- // Convert unicode to ascii and '\' to '/'
- while (*Src) {
- if (*Src == '\\') {
- *Dst++ = '/';
- } else {
- *Dst++ = *Src;
- }
- Src++;
- }
- *Dst = 0;
-
-
- //
- // Get rid of . and .., except leading . or ..
- //
-
- //
- // GuardPointer protect simplefilesystem root path not be destroyed
- //
-
- LoopFinish = FALSE;
- while (!LoopFinish) {
- LoopFinish = TRUE;
-
- for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {
- if (*ParseFileName == '.' &&
- (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == '/') &&
- *(ParseFileName - 1) == '/'
- ) {
-
- //
- // cut /.
- //
- CutPrefix (ParseFileName - 1, 2);
- LoopFinish = FALSE;
- break;
- }
-
- if (*ParseFileName == '.' &&
- *(ParseFileName + 1) == '.' &&
- (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == '/') &&
- *(ParseFileName - 1) == '/'
- ) {
-
- ParseFileName--;
- Count = 3;
-
- while (ParseFileName != GuardPointer) {
- ParseFileName--;
- Count++;
- if (*ParseFileName == '/') {
- break;
- }
- }
-
- //
- // cut /.. and its left directory
- //
- CutPrefix (ParseFileName, Count);
- LoopFinish = FALSE;
- break;
- }
- }
- }
-
- if (AsciiStrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {
- NewPrivateFile->IsRootDirectory = TRUE;
- free (NewPrivateFile->FileName);
- free (NewPrivateFile);
- goto OpenRoot;
- }
-
- RealFileName = NewPrivateFile->FileName + AsciiStrLen(NewPrivateFile->FileName) - 1;
- while (RealFileName > NewPrivateFile->FileName && *RealFileName != '/') {
- RealFileName--;
- }
-
- TempChar = *(RealFileName - 1);
- *(RealFileName - 1) = 0;
- *(RealFileName - 1) = TempChar;
-
-
- //
- // Test whether file or directory
- //
- NewPrivateFile->IsRootDirectory = FALSE;
- NewPrivateFile->fd = -1;
- NewPrivateFile->Dir = NULL;
- if (OpenMode & EFI_FILE_MODE_CREATE) {
- if (Attributes & EFI_FILE_DIRECTORY) {
- NewPrivateFile->IsDirectoryPath = TRUE;
- } else {
- NewPrivateFile->IsDirectoryPath = FALSE;
- }
- } else {
- res = stat (NewPrivateFile->FileName, &finfo);
- if (res == 0 && S_ISDIR(finfo.st_mode)) {
- NewPrivateFile->IsDirectoryPath = TRUE;
- } else {
- NewPrivateFile->IsDirectoryPath = FALSE;
- }
- }
-
- if (OpenMode & EFI_FILE_MODE_WRITE) {
- NewPrivateFile->IsOpenedByRead = FALSE;
- } else {
- NewPrivateFile->IsOpenedByRead = TRUE;
- }
-
- Status = EFI_SUCCESS;
-
- //
- // deal with directory
- //
- if (NewPrivateFile->IsDirectoryPath) {
- if ((OpenMode & EFI_FILE_MODE_CREATE)) {
- //
- // Create a directory
- //
- if (mkdir (NewPrivateFile->FileName, 0777) != 0) {
- if (errno != EEXIST) {
- //free (TempFileName);
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
- }
- }
-
- NewPrivateFile->Dir = opendir (NewPrivateFile->FileName);
- if (NewPrivateFile->Dir == NULL) {
- if (errno == EACCES) {
- Status = EFI_ACCESS_DENIED;
- } else {
- Status = EFI_NOT_FOUND;
- }
-
- goto Done;
- }
-
- } else {
- //
- // deal with file
- //
- NewPrivateFile->fd = open (
- NewPrivateFile->FileName,
- ((OpenMode & EFI_FILE_MODE_CREATE) ? O_CREAT : 0) | (NewPrivateFile->IsOpenedByRead ? O_RDONLY : O_RDWR),
- 0666
- );
- if (NewPrivateFile->fd < 0) {
- if (errno == ENOENT) {
- Status = EFI_NOT_FOUND;
- } else {
- Status = EFI_ACCESS_DENIED;
- }
- }
- }
-
- if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {
- //
- // Set the attribute
- //
- InfoSize = 0;
- Info = NULL;
- Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);
- if (Status != EFI_BUFFER_TOO_SMALL) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- Info = malloc (InfoSize);
- if (Info == NULL) {
- goto Done;
- }
-
- Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Info->Attribute = Attributes;
- PosixFileSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);
-
- free (Info);
- }
-
-Done: ;
- if (TrailingDash) {
- FileName[StrLen (FileName) + 1] = 0;
- FileName[StrLen (FileName)] = L'\\';
- }
-
- if (EFI_ERROR (Status)) {
- if (NewPrivateFile) {
- if (NewPrivateFile->FileName) {
- free (NewPrivateFile->FileName);
- }
-
- free (NewPrivateFile);
- }
- } else {
- *NewHandle = &NewPrivateFile->EfiFile;
- }
-
- return Status;
-}
-
-
-
-/**
- Close the file handle
-
- @param This Protocol instance pointer.
-
- @retval EFI_SUCCESS The device was opened.
-
-**/
-EFI_STATUS
-PosixFileCLose (
- IN EFI_FILE_PROTOCOL *This
- )
-{
- EMU_EFI_FILE_PRIVATE *PrivateFile;
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->fd >= 0) {
- close (PrivateFile->fd);
- }
- if (PrivateFile->Dir != NULL) {
- closedir (PrivateFile->Dir);
- }
-
- PrivateFile->fd = -1;
- PrivateFile->Dir = NULL;
-
- if (PrivateFile->FileName) {
- free (PrivateFile->FileName);
- }
-
- free (PrivateFile);
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Close and delete the file handle.
-
- @param This Protocol instance pointer.
-
- @retval EFI_SUCCESS The device was opened.
- @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.
-
-**/
-EFI_STATUS
-PosixFileDelete (
- IN EFI_FILE_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EMU_EFI_FILE_PRIVATE *PrivateFile;
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- Status = EFI_WARN_DELETE_FAILURE;
-
- if (PrivateFile->IsDirectoryPath) {
- if (PrivateFile->Dir != NULL) {
- closedir (PrivateFile->Dir);
- PrivateFile->Dir = NULL;
- }
-
- if (rmdir (PrivateFile->FileName) == 0) {
- Status = EFI_SUCCESS;
- }
- } else {
- close (PrivateFile->fd);
- PrivateFile->fd = -1;
-
- if (!PrivateFile->IsOpenedByRead) {
- if (!unlink (PrivateFile->FileName)) {
- Status = EFI_SUCCESS;
- }
- }
- }
-
- free (PrivateFile->FileName);
- free (PrivateFile);
-
- return Status;
-}
-
-
-/**
- Read data from the file.
-
- @param This Protocol instance pointer.
- @param BufferSize On input size of buffer, on output amount of data in buffer.
- @param Buffer The buffer in which data is read.
-
- @retval EFI_SUCCESS Data was read.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size.
-
-**/
-EFI_STATUS
-PosixFileRead (
- IN EFI_FILE_PROTOCOL *This,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-{
- EMU_EFI_FILE_PRIVATE *PrivateFile;
- EFI_STATUS Status;
- int Res;
- UINTN Size;
- UINTN NameSize;
- UINTN ResultSize;
- CHAR8 *FullFileName;
-
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (!PrivateFile->IsDirectoryPath) {
- if (PrivateFile->fd < 0) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- Res = read (PrivateFile->fd, Buffer, *BufferSize);
- if (Res < 0) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
- *BufferSize = Res;
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- //
- // Read on a directory.
- //
- if (PrivateFile->Dir == NULL) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- if (PrivateFile->Dirent == NULL) {
- PrivateFile->Dirent = readdir (PrivateFile->Dir);
- if (PrivateFile->Dirent == NULL) {
- *BufferSize = 0;
- Status = EFI_SUCCESS;
- goto Done;
- }
- }
-
- Size = SIZE_OF_EFI_FILE_INFO;
- NameSize = AsciiStrLen (PrivateFile->Dirent->d_name) + 1;
- ResultSize = Size + 2 * NameSize;
-
- if (*BufferSize < ResultSize) {
- *BufferSize = ResultSize;
- Status = EFI_BUFFER_TOO_SMALL;
- goto Done;
- }
- Status = EFI_SUCCESS;
-
- *BufferSize = ResultSize;
-
- FullFileName = malloc (AsciiStrLen(PrivateFile->FileName) + 1 + NameSize);
- if (FullFileName == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- AsciiStrCpy (FullFileName, PrivateFile->FileName);
- AsciiStrCat (FullFileName, "/");
- AsciiStrCat (FullFileName, PrivateFile->Dirent->d_name);
- Status = UnixSimpleFileSystemFileInfo (
- PrivateFile,
- FullFileName,
- BufferSize,
- Buffer
- );
- free (FullFileName);
-
- PrivateFile->Dirent = NULL;
-
-Done:
- return Status;
-}
-
-
-
-/**
- Write data to a file.
-
- @param This Protocol instance pointer.
- @param BufferSize On input size of buffer, on output amount of data in buffer.
- @param Buffer The buffer in which data to write.
-
- @retval EFI_SUCCESS Data was written.
- @retval EFI_UNSUPPORTED Writes to Open directory are not supported.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_WRITE_PROTECTED The device is write protected.
- @retval EFI_ACCESS_DENIED The file was open for read only.
- @retval EFI_VOLUME_FULL The volume is full.
-
-**/
-EFI_STATUS
-PosixFileWrite (
- IN EFI_FILE_PROTOCOL *This,
- IN OUT UINTN *BufferSize,
- IN VOID *Buffer
- )
-{
- EMU_EFI_FILE_PRIVATE *PrivateFile;
- int Res;
-
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->fd < 0) {
- return EFI_DEVICE_ERROR;
- }
-
- if (PrivateFile->IsDirectoryPath) {
- return EFI_UNSUPPORTED;
- }
-
- if (PrivateFile->IsOpenedByRead) {
- return EFI_ACCESS_DENIED;
- }
-
- Res = write (PrivateFile->fd, Buffer, *BufferSize);
- if (Res == (UINTN)-1) {
- return ErrnoToEfiStatus ();
- }
-
- *BufferSize = Res;
- return EFI_SUCCESS;
-}
-
-
-
-/**
- Set a files current position
-
- @param This Protocol instance pointer.
- @param Position Byte position from the start of the file.
-
- @retval EFI_SUCCESS Data was written.
- @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.
-
-**/
-EFI_STATUS
-PosixFileSetPossition (
- IN EFI_FILE_PROTOCOL *This,
- IN UINT64 Position
- )
-{
- EMU_EFI_FILE_PRIVATE *PrivateFile;
- off_t Pos;
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->IsDirectoryPath) {
- if (Position != 0) {
- return EFI_UNSUPPORTED;
- }
-
- if (PrivateFile->Dir == NULL) {
- return EFI_DEVICE_ERROR;
- }
- rewinddir (PrivateFile->Dir);
- return EFI_SUCCESS;
- } else {
- if (Position == (UINT64) -1) {
- Pos = lseek (PrivateFile->fd, 0, SEEK_END);
- } else {
- Pos = lseek (PrivateFile->fd, Position, SEEK_SET);
- }
- if (Pos == (off_t)-1) {
- return ErrnoToEfiStatus ();
- }
- return EFI_SUCCESS;
- }
-}
-
-
-
-/**
- Get a file's current position
-
- @param This Protocol instance pointer.
- @param Position Byte position from the start of the file.
-
- @retval EFI_SUCCESS Data was written.
- @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open..
-
-**/
-EFI_STATUS
-PosixFileGetPossition (
- IN EFI_FILE_PROTOCOL *This,
- OUT UINT64 *Position
- )
-{
- EFI_STATUS Status;
- EMU_EFI_FILE_PRIVATE *PrivateFile;
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->IsDirectoryPath) {
- Status = EFI_UNSUPPORTED;
- } else {
- *Position = (UINT64)lseek (PrivateFile->fd, 0, SEEK_CUR);
- Status = (*Position == (UINT64) -1) ? ErrnoToEfiStatus () : EFI_SUCCESS;
- }
-
- return Status;
-}
-
-
-/**
- Get information about a file.
-
- @param This Protocol instance pointer.
- @param InformationType Type of information to return in Buffer.
- @param BufferSize On input size of buffer, on output amount of data in buffer.
- @param Buffer The buffer to return data.
-
- @retval EFI_SUCCESS Data was returned.
- @retval EFI_UNSUPPORTED InformationType is not supported.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_WRITE_PROTECTED The device is write protected.
- @retval EFI_ACCESS_DENIED The file was open for read only.
- @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize.
-
-**/
-EFI_STATUS
-PosixFileGetInfo (
- IN EFI_FILE_PROTOCOL *This,
- IN EFI_GUID *InformationType,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-{
- EFI_STATUS Status;
- EMU_EFI_FILE_PRIVATE *PrivateFile;
- EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;
- int UnixStatus;
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;
- struct statfs buf;
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);
-
- Status = EFI_SUCCESS;
- if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {
- Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, BufferSize, Buffer);
- } else 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);
- return EFI_BUFFER_TOO_SMALL;
- }
-
- UnixStatus = statfs (PrivateFile->FileName, &buf);
- if (UnixStatus < 0) {
- return EFI_DEVICE_ERROR;
- }
-
- FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer;
- FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);
- FileSystemInfoBuffer->ReadOnly = FALSE;
-
- //
- // Succeeded
- //
- FileSystemInfoBuffer->VolumeSize = MultU64x32 (buf.f_blocks, buf.f_bsize);
- FileSystemInfoBuffer->FreeSpace = MultU64x32 (buf.f_bavail, buf.f_bsize);
- FileSystemInfoBuffer->BlockSize = buf.f_bsize;
-
-
- StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);
- *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);
-
- } else if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {
- if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {
- *BufferSize = StrSize (PrivateRoot->VolumeLabel);
- return EFI_BUFFER_TOO_SMALL;
- }
-
- StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel);
- *BufferSize = StrSize (PrivateRoot->VolumeLabel);
-
- }
-
- return Status;
-}
-
-
-/**
- Set information about a file
-
- @param File Protocol instance pointer.
- @param InformationType Type of information in Buffer.
- @param BufferSize Size of buffer.
- @param Buffer The data to write.
-
- @retval EFI_SUCCESS Data was returned.
- @retval EFI_UNSUPPORTED InformationType is not supported.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_WRITE_PROTECTED The device is write protected.
- @retval EFI_ACCESS_DENIED The file was open for read only.
-
-**/
-EFI_STATUS
-PosixFileSetInfo (
- IN EFI_FILE_PROTOCOL *This,
- IN EFI_GUID *InformationType,
- IN UINTN BufferSize,
- IN VOID *Buffer
- )
-{
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;
- EMU_EFI_FILE_PRIVATE *PrivateFile;
- EFI_FILE_INFO *OldFileInfo;
- EFI_FILE_INFO *NewFileInfo;
- EFI_STATUS Status;
- UINTN OldInfoSize;
- mode_t NewAttr;
- struct stat OldAttr;
- CHAR8 *OldFileName;
- CHAR8 *NewFileName;
- CHAR8 *CharPointer;
- BOOLEAN AttrChangeFlag;
- BOOLEAN NameChangeFlag;
- BOOLEAN SizeChangeFlag;
- BOOLEAN TimeChangeFlag;
- struct tm NewLastAccessSystemTime;
- struct tm NewLastWriteSystemTime;
- EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;
- CHAR8 *AsciiFilePtr;
- CHAR16 *UnicodeFilePtr;
- int UnixStatus;
- struct utimbuf Utime;
-
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
- PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);
- errno = 0;
- 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;
-
- free (PrivateRoot->VolumeLabel);
-
- PrivateRoot->VolumeLabel = malloc (StrSize (NewFileSystemInfo->VolumeLabel));
- if (PrivateRoot->VolumeLabel == NULL) {
- 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;
- }
-
- //
- // Get current file information so we can determine what kind
- // of change request this is.
- //
- OldInfoSize = 0;
- Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, NULL);
- if (Status != EFI_BUFFER_TOO_SMALL) {
- Status = EFI_DEVICE_ERROR;
- goto Done;
- }
-
- OldFileInfo = malloc (OldInfoSize);
- if (OldFileInfo == NULL) {
- goto Done;
- }
-
- Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, OldFileInfo);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- OldFileName = malloc (AsciiStrSize (PrivateFile->FileName));
- if (OldFileInfo == NULL) {
- goto Done;
- }
-
- AsciiStrCpy (OldFileName, PrivateFile->FileName);
-
- //
- // Make full pathname from new filename and rootpath.
- //
- if (NewFileInfo->FileName[0] == '\\') {
- NewFileName = malloc (AsciiStrLen (PrivateRoot->FilePath) + 1 + StrLen (NewFileInfo->FileName) + 1);
- if (NewFileName == NULL) {
- goto Done;
- }
-
- AsciiStrCpy (NewFileName, PrivateRoot->FilePath);
- AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);
- UnicodeFilePtr = NewFileInfo->FileName + 1;
- *AsciiFilePtr++ ='/';
- } else {
- NewFileName = malloc (AsciiStrLen (PrivateFile->FileName) + 2 + StrLen (NewFileInfo->FileName) + 1);
- if (NewFileName == NULL) {
- goto Done;
- }
-
- AsciiStrCpy (NewFileName, PrivateRoot->FilePath);
- AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);
- if ((AsciiFilePtr[-1] != '/') && (NewFileInfo->FileName[0] != '/')) {
- // make sure there is a / between Root FilePath and NewFileInfo Filename
- AsciiFilePtr[0] = '/';
- AsciiFilePtr[1] = '\0';
- AsciiFilePtr++;
- }
- UnicodeFilePtr = NewFileInfo->FileName;
- }
- // Convert to ascii.
- while (*UnicodeFilePtr) {
- *AsciiFilePtr++ = *UnicodeFilePtr++;
- }
- *AsciiFilePtr = 0;
-
- //
- // 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: - Should really use EFI_UNICODE_COLLATION_PROTOCOL
- //
- 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.
- //
- if (stat (OldFileName, &OldAttr) != 0) {
- Status = ErrnoToEfiStatus ();
- goto Done;
- }
-
- //
- // 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;
- }
-
- UnixStatus = rename (OldFileName, NewFileName);
- if (UnixStatus == 0) {
- //
- // modify file name
- //
- free (PrivateFile->FileName);
-
- PrivateFile->FileName = malloc (AsciiStrSize (NewFileName));
- if (PrivateFile->FileName == NULL) {
- goto Done;
- }
-
- AsciiStrCpy (PrivateFile->FileName, NewFileName);
- } else {
- Status = EFI_DEVICE_ERROR;
- 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;
- }
-
- if (ftruncate (PrivateFile->fd, NewFileInfo->FileSize) != 0) {
- Status = ErrnoToEfiStatus ();
- goto Done;
- }
-
- }
-
- //
- // Time change
- //
- if (TimeChangeFlag) {
- NewLastAccessSystemTime.tm_year = NewFileInfo->LastAccessTime.Year;
- NewLastAccessSystemTime.tm_mon = NewFileInfo->LastAccessTime.Month;
- NewLastAccessSystemTime.tm_mday = NewFileInfo->LastAccessTime.Day;
- NewLastAccessSystemTime.tm_hour = NewFileInfo->LastAccessTime.Hour;
- NewLastAccessSystemTime.tm_min = NewFileInfo->LastAccessTime.Minute;
- NewLastAccessSystemTime.tm_sec = NewFileInfo->LastAccessTime.Second;
- NewLastAccessSystemTime.tm_isdst = 0;
-
- Utime.actime = mktime (&NewLastAccessSystemTime);
-
- NewLastWriteSystemTime.tm_year = NewFileInfo->ModificationTime.Year;
- NewLastWriteSystemTime.tm_mon = NewFileInfo->ModificationTime.Month;
- NewLastWriteSystemTime.tm_mday = NewFileInfo->ModificationTime.Day;
- NewLastWriteSystemTime.tm_hour = NewFileInfo->ModificationTime.Hour;
- NewLastWriteSystemTime.tm_min = NewFileInfo->ModificationTime.Minute;
- NewLastWriteSystemTime.tm_sec = NewFileInfo->ModificationTime.Second;
- NewLastWriteSystemTime.tm_isdst = 0;
-
- Utime.modtime = mktime (&NewLastWriteSystemTime);
-
- if (Utime.actime == (time_t)-1 || Utime.modtime == (time_t)-1) {
- goto Done;
- }
-
- if (utime (PrivateFile->FileName, &Utime) == -1) {
- Status = ErrnoToEfiStatus ();
- goto Done;
- }
- }
-
- //
- // No matter about AttrChangeFlag, Attribute must be set.
- // Because operation before may cause attribute change.
- //
- NewAttr = OldAttr.st_mode;
-
- if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {
- NewAttr &= ~(S_IRUSR | S_IRGRP | S_IROTH);
- } else {
- NewAttr |= S_IRUSR;
- }
-
- if (chmod (NewFileName, NewAttr) != 0) {
- Status = ErrnoToEfiStatus ();
- }
-
-Done:
- if (OldFileInfo != NULL) {
- free (OldFileInfo);
- }
-
- if (OldFileName != NULL) {
- free (OldFileName);
- }
-
- if (NewFileName != NULL) {
- free (NewFileName);
- }
-
- return Status;
-}
-
-
-/**
- Flush data back for the file handle.
-
- @param This Protocol instance pointer.
-
- @retval EFI_SUCCESS Data was written.
- @retval EFI_UNSUPPORTED Writes to Open directory are not supported.
- @retval EFI_NO_MEDIA The device has no media.
- @retval EFI_DEVICE_ERROR The device reported an error.
- @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
- @retval EFI_WRITE_PROTECTED The device is write protected.
- @retval EFI_ACCESS_DENIED The file was open for read only.
- @retval EFI_VOLUME_FULL The volume is full.
-
-**/
-EFI_STATUS
-PosixFileFlush (
- IN EFI_FILE_PROTOCOL *This
- )
-{
- EMU_EFI_FILE_PRIVATE *PrivateFile;
-
-
- PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);
-
- if (PrivateFile->IsDirectoryPath) {
- return EFI_UNSUPPORTED;
- }
-
- if (PrivateFile->IsOpenedByRead) {
- return EFI_ACCESS_DENIED;
- }
-
- if (PrivateFile->fd < 0) {
- return EFI_DEVICE_ERROR;
- }
-
- if (fsync (PrivateFile->fd) != 0) {
- return ErrnoToEfiStatus ();
- }
-
- return EFI_SUCCESS;
-}
-
-
-
-EFI_STATUS
-PosixFileSystmeThunkOpen (
- IN EMU_IO_THUNK_PROTOCOL *This
- )
-{
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;
- UINTN i;
-
- if (This->Private != NULL) {
- return EFI_ALREADY_STARTED;
- }
-
- if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {
- return EFI_UNSUPPORTED;
- }
-
- Private = malloc (sizeof (EMU_SIMPLE_FILE_SYSTEM_PRIVATE));
- if (Private == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Private->FilePath = malloc (StrLen (This->ConfigString) + 1);
- if (Private->FilePath == NULL) {
- free (Private);
- return EFI_OUT_OF_RESOURCES;
- }
-
- // Convert Unicode to Ascii
- for (i = 0; This->ConfigString[i] != 0; i++) {
- Private->FilePath[i] = This->ConfigString[i];
- }
- Private->FilePath[i] = 0;
-
-
- Private->VolumeLabel = malloc (StrSize (L"EFI_EMULATED"));
- if (Private->VolumeLabel == NULL) {
- free (Private->FilePath);
- free (Private);
- return EFI_OUT_OF_RESOURCES;
- }
- StrCpy (Private->VolumeLabel, L"EFI_EMULATED");
-
- Private->Signature = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;
- Private->Thunk = This;
- CopyMem (&Private->SimpleFileSystem, &gPosixFileSystemProtocol, sizeof (Private->SimpleFileSystem));
- Private->FileHandlesOpen = FALSE;
-
- This->Interface = &Private->SimpleFileSystem;
- This->Private = Private;
- return EFI_SUCCESS;
-}
-
-
-EFI_STATUS
-PosixFileSystmeThunkClose (
- IN EMU_IO_THUNK_PROTOCOL *This
- )
-{
- EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;
-
- if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {
- return EFI_UNSUPPORTED;
- }
-
- Private = This->Private;
-
- if (Private->FileHandlesOpen) {
- //
- // Close only supported if all the EFI_FILE_HANDLEs have been closed.
- //
- return EFI_NOT_READY;
- }
-
- if (This->Private != NULL) {
- if (Private->VolumeLabel != NULL) {
- free (Private->VolumeLabel);
- }
- free (This->Private);
- This->Private = NULL;
- }
-
- return EFI_SUCCESS;
-}
-
-
-EMU_IO_THUNK_PROTOCOL gPosixFileSystemThunkIo = {
- &gEfiSimpleFileSystemProtocolGuid,
- NULL,
- NULL,
- 0,
- GasketPosixFileSystmeThunkOpen,
- GasketPosixFileSystmeThunkClose,
- NULL
-};
-
-
+/*++ @file\r
+ POSIX Pthreads to emulate APs and implement threads\r
+\r
+Copyright (c) 2011, Apple Inc. All rights reserved.\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+\r
+**/\r
+\r
+#include "Host.h"\r
+\r
+\r
+#define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 's')\r
+\r
+typedef struct {\r
+ UINTN Signature;\r
+ EMU_IO_THUNK_PROTOCOL *Thunk;\r
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFileSystem;\r
+ CHAR8 *FilePath;\r
+ CHAR16 *VolumeLabel;\r
+ BOOLEAN FileHandlesOpen;\r
+} EMU_SIMPLE_FILE_SYSTEM_PRIVATE;\r
+\r
+#define EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS(a) \\r
+ CR (a, \\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE, \\r
+ SimpleFileSystem, \\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE \\r
+ )\r
+\r
+\r
+#define EMU_EFI_FILE_PRIVATE_SIGNATURE SIGNATURE_32 ('E', 'P', 'f', 'i')\r
+\r
+typedef struct {\r
+ UINTN Signature;\r
+ EMU_IO_THUNK_PROTOCOL *Thunk;\r
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *SimpleFileSystem;\r
+ EFI_FILE_PROTOCOL EfiFile;\r
+ int fd;\r
+ DIR *Dir;\r
+ BOOLEAN IsRootDirectory;\r
+ BOOLEAN IsDirectoryPath;\r
+ BOOLEAN IsOpenedByRead;\r
+ char *FileName;\r
+ struct dirent *Dirent;\r
+} EMU_EFI_FILE_PRIVATE;\r
+\r
+#define EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS(a) \\r
+ CR (a, \\r
+ EMU_EFI_FILE_PRIVATE, \\r
+ EfiFile, \\r
+ EMU_EFI_FILE_PRIVATE_SIGNATURE \\r
+ )\r
+\r
+EFI_STATUS\r
+PosixFileGetInfo (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN EFI_GUID *InformationType,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
+ );\r
+\r
+EFI_STATUS\r
+PosixFileSetInfo (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN EFI_GUID *InformationType,\r
+ IN UINTN BufferSize,\r
+ IN VOID *Buffer\r
+ );\r
+\r
+\r
+EFI_FILE_PROTOCOL gPosixFileProtocol = {\r
+ EFI_FILE_REVISION,\r
+ GasketPosixFileOpen,\r
+ GasketPosixFileCLose,\r
+ GasketPosixFileDelete,\r
+ GasketPosixFileRead,\r
+ GasketPosixFileWrite,\r
+ GasketPosixFileGetPossition,\r
+ GasketPosixFileSetPossition,\r
+ GasketPosixFileGetInfo,\r
+ GasketPosixFileSetInfo,\r
+ GasketPosixFileFlush\r
+};\r
+\r
+EFI_SIMPLE_FILE_SYSTEM_PROTOCOL gPosixFileSystemProtocol = {\r
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION,\r
+ GasketPosixOpenVolume,\r
+};\r
+\r
+\r
+/**\r
+ Open the root directory on a volume.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param Root Returns an Open file handle for the root directory\r
+\r
+ @retval EFI_SUCCESS The device was opened.\r
+ @retval EFI_UNSUPPORTED This volume does not support the file system.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_ACCESS_DENIED The service denied access to the file.\r
+ @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixOpenVolume (\r
+ IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r
+ OUT EFI_FILE_PROTOCOL **Root\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+\r
+ Private = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ PrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));\r
+ if (PrivateFile == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ PrivateFile->FileName = malloc (AsciiStrSize (Private->FilePath));\r
+ if (PrivateFile->FileName == NULL) {\r
+ goto Done;\r
+ }\r
+ AsciiStrCpy (PrivateFile->FileName, Private->FilePath);\r
+\r
+ PrivateFile->Signature = EMU_EFI_FILE_PRIVATE_SIGNATURE;\r
+ PrivateFile->Thunk = Private->Thunk;\r
+ PrivateFile->SimpleFileSystem = This;\r
+ PrivateFile->IsRootDirectory = TRUE;\r
+ PrivateFile->IsDirectoryPath = TRUE;\r
+ PrivateFile->IsOpenedByRead = TRUE;\r
+\r
+ CopyMem (&PrivateFile->EfiFile, &gPosixFileProtocol, sizeof (EFI_FILE_PROTOCOL));\r
+\r
+ PrivateFile->fd = -1;\r
+ PrivateFile->Dir = NULL;\r
+ PrivateFile->Dirent = NULL;\r
+\r
+ *Root = &PrivateFile->EfiFile;\r
+\r
+ PrivateFile->Dir = opendir (PrivateFile->FileName);\r
+ if (PrivateFile->Dir == NULL) {\r
+ Status = EFI_ACCESS_DENIED;\r
+ } else {\r
+ Status = EFI_SUCCESS;\r
+ }\r
+\r
+Done:\r
+ if (EFI_ERROR (Status)) {\r
+ if (PrivateFile != NULL) {\r
+ if (PrivateFile->FileName != NULL) {\r
+ free (PrivateFile->FileName);\r
+ }\r
+\r
+ free (PrivateFile);\r
+ }\r
+\r
+ *Root = NULL;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+EFI_STATUS\r
+ErrnoToEfiStatus ()\r
+{\r
+ switch (errno) {\r
+ case EACCES:\r
+ return EFI_ACCESS_DENIED;\r
+\r
+ case EDQUOT:\r
+ case ENOSPC:\r
+ return EFI_VOLUME_FULL;\r
+\r
+ default:\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+}\r
+\r
+VOID\r
+CutPrefix (\r
+ IN CHAR8 *Str,\r
+ IN UINTN Count\r
+ )\r
+{\r
+ CHAR8 *Pointer;\r
+\r
+ if (AsciiStrLen (Str) < Count) {\r
+ ASSERT (0);\r
+ }\r
+\r
+ for (Pointer = Str; *(Pointer + Count); Pointer++) {\r
+ *Pointer = *(Pointer + Count);\r
+ }\r
+\r
+ *Pointer = *(Pointer + Count);\r
+}\r
+\r
+\r
+VOID\r
+PosixSystemTimeToEfiTime (\r
+ IN time_t SystemTime,\r
+ OUT EFI_TIME *Time\r
+ )\r
+{\r
+ struct tm *tm;\r
+\r
+ tm = gmtime (&SystemTime);\r
+ Time->Year = tm->tm_year;\r
+ Time->Month = tm->tm_mon + 1;\r
+ Time->Day = tm->tm_mday;\r
+ Time->Hour = tm->tm_hour;\r
+ Time->Minute = tm->tm_min;\r
+ Time->Second = tm->tm_sec;\r
+ Time->Nanosecond = 0;\r
+\r
+ Time->TimeZone = timezone;\r
+ Time->Daylight = (daylight ? EFI_TIME_ADJUST_DAYLIGHT : 0) | (tm->tm_isdst > 0 ? EFI_TIME_IN_DAYLIGHT : 0);\r
+}\r
+\r
+\r
+EFI_STATUS\r
+UnixSimpleFileSystemFileInfo (\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile,\r
+ IN CHAR8 *FileName,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN Size;\r
+ UINTN NameSize;\r
+ UINTN ResultSize;\r
+ EFI_FILE_INFO *Info;\r
+ CHAR8 *RealFileName;\r
+ CHAR8 *TempPointer;\r
+ CHAR16 *BufferFileName;\r
+ struct stat buf;\r
+\r
+ if (FileName != NULL) {\r
+ RealFileName = FileName;\r
+ } else if (PrivateFile->IsRootDirectory) {\r
+ RealFileName = "";\r
+ } else {\r
+ RealFileName = PrivateFile->FileName;\r
+ }\r
+\r
+ TempPointer = RealFileName;\r
+ while (*TempPointer) {\r
+ if (*TempPointer == '/') {\r
+ RealFileName = TempPointer + 1;\r
+ }\r
+\r
+ TempPointer++;\r
+ }\r
+\r
+ Size = SIZE_OF_EFI_FILE_INFO;\r
+ NameSize = AsciiStrSize (RealFileName) * 2;\r
+ ResultSize = Size + NameSize;\r
+\r
+ if (*BufferSize < ResultSize) {\r
+ *BufferSize = ResultSize;\r
+ return EFI_BUFFER_TOO_SMALL;\r
+ }\r
+ if (stat (FileName == NULL ? PrivateFile->FileName : FileName, &buf) < 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ Status = EFI_SUCCESS;\r
+\r
+ Info = Buffer;\r
+ ZeroMem (Info, ResultSize);\r
+\r
+ Info->Size = ResultSize;\r
+ Info->FileSize = buf.st_size;\r
+ Info->PhysicalSize = MultU64x32 (buf.st_blocks, buf.st_blksize);\r
+\r
+ PosixSystemTimeToEfiTime (buf.st_ctime, &Info->CreateTime);\r
+ PosixSystemTimeToEfiTime (buf.st_atime, &Info->LastAccessTime);\r
+ PosixSystemTimeToEfiTime (buf.st_mtime, &Info->ModificationTime);\r
+\r
+ if (!(buf.st_mode & S_IWUSR)) {\r
+ Info->Attribute |= EFI_FILE_READ_ONLY;\r
+ }\r
+\r
+ if (S_ISDIR(buf.st_mode)) {\r
+ Info->Attribute |= EFI_FILE_DIRECTORY;\r
+ }\r
+\r
+\r
+ BufferFileName = (CHAR16 *)((CHAR8 *) Buffer + Size);\r
+ while (*RealFileName) {\r
+ *BufferFileName++ = *RealFileName++;\r
+ }\r
+ *BufferFileName = 0;\r
+\r
+ *BufferSize = ResultSize;\r
+ return Status;\r
+}\r
+\r
+BOOLEAN\r
+IsZero (\r
+ IN VOID *Buffer,\r
+ IN UINTN Length\r
+ )\r
+{\r
+ if (Buffer == NULL || Length == 0) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (*(UINT8 *) Buffer != 0) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (Length > 1) {\r
+ if (!CompareMem (Buffer, (UINT8 *) Buffer + 1, Length - 1)) {\r
+ return FALSE;\r
+ }\r
+ }\r
+\r
+ return TRUE;\r
+}\r
+\r
+\r
+\r
+/**\r
+ Opens a new file relative to the source file's location.\r
+\r
+ @param This The protocol instance pointer.\r
+ @param NewHandle Returns File Handle for FileName.\r
+ @param FileName Null terminated string. "\", ".", and ".." are supported.\r
+ @param OpenMode Open mode for file.\r
+ @param Attributes Only used for EFI_FILE_MODE_CREATE.\r
+\r
+ @retval EFI_SUCCESS The device was opened.\r
+ @retval EFI_NOT_FOUND The specified file could not be found on the device.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_MEDIA_CHANGED The media has changed.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_ACCESS_DENIED The service denied access to the file.\r
+ @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r
+ @retval EFI_VOLUME_FULL The volume is full.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileOpen (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ OUT EFI_FILE_PROTOCOL **NewHandle,\r
+ IN CHAR16 *FileName,\r
+ IN UINT64 OpenMode,\r
+ IN UINT64 Attributes\r
+ )\r
+{\r
+ EFI_FILE_PROTOCOL *Root;\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+ EMU_EFI_FILE_PRIVATE *NewPrivateFile;\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r
+ EFI_STATUS Status;\r
+ CHAR16 *Src;\r
+ char *Dst;\r
+ CHAR8 *RealFileName;\r
+ char *ParseFileName;\r
+ char *GuardPointer;\r
+ CHAR8 TempChar;\r
+ UINTN Count;\r
+ BOOLEAN TrailingDash;\r
+ BOOLEAN LoopFinish;\r
+ UINTN InfoSize;\r
+ EFI_FILE_INFO *Info;\r
+ struct stat finfo;\r
+ int res;\r
+\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+ PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r
+ NewPrivateFile = NULL;\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+\r
+ //\r
+ // BUGBUG: assume an open of root\r
+ // if current location, return current data\r
+ //\r
+ TrailingDash = FALSE;\r
+ if ((StrCmp (FileName, L"\\") == 0) ||\r
+ (StrCmp (FileName, L".") == 0 && PrivateFile->IsRootDirectory)) {\r
+OpenRoot:\r
+ Status = PosixOpenVolume (PrivateFile->SimpleFileSystem, &Root);\r
+ NewPrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (Root);\r
+ goto Done;\r
+ }\r
+\r
+ if (FileName[StrLen (FileName) - 1] == L'\\') {\r
+ TrailingDash = TRUE;\r
+ FileName[StrLen (FileName) - 1] = 0;\r
+ }\r
+\r
+ //\r
+ // Attempt to open the file\r
+ //\r
+ NewPrivateFile = malloc (sizeof (EMU_EFI_FILE_PRIVATE));\r
+ if (NewPrivateFile == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ CopyMem (NewPrivateFile, PrivateFile, sizeof (EMU_EFI_FILE_PRIVATE));\r
+\r
+ NewPrivateFile->FileName = malloc (AsciiStrSize (PrivateFile->FileName) + 1 + StrLen (FileName) + 1);\r
+ if (NewPrivateFile->FileName == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ if (*FileName == L'\\') {\r
+ AsciiStrCpy (NewPrivateFile->FileName, PrivateRoot->FilePath);\r
+ // Skip first '\'.\r
+ Src = FileName + 1;\r
+ } else {\r
+ AsciiStrCpy (NewPrivateFile->FileName, PrivateFile->FileName);\r
+ Src = FileName;\r
+ }\r
+ Dst = NewPrivateFile->FileName + AsciiStrLen (NewPrivateFile->FileName);\r
+ GuardPointer = NewPrivateFile->FileName + AsciiStrLen (PrivateRoot->FilePath);\r
+ *Dst++ = '/';\r
+ // Convert unicode to ascii and '\' to '/'\r
+ while (*Src) {\r
+ if (*Src == '\\') {\r
+ *Dst++ = '/';\r
+ } else {\r
+ *Dst++ = *Src;\r
+ }\r
+ Src++;\r
+ }\r
+ *Dst = 0;\r
+\r
+\r
+ //\r
+ // Get rid of . and .., except leading . or ..\r
+ //\r
+\r
+ //\r
+ // GuardPointer protect simplefilesystem root path not be destroyed\r
+ //\r
+\r
+ LoopFinish = FALSE;\r
+ while (!LoopFinish) {\r
+ LoopFinish = TRUE;\r
+\r
+ for (ParseFileName = GuardPointer; *ParseFileName; ParseFileName++) {\r
+ if (*ParseFileName == '.' &&\r
+ (*(ParseFileName + 1) == 0 || *(ParseFileName + 1) == '/') &&\r
+ *(ParseFileName - 1) == '/'\r
+ ) {\r
+\r
+ //\r
+ // cut /.\r
+ //\r
+ CutPrefix (ParseFileName - 1, 2);\r
+ LoopFinish = FALSE;\r
+ break;\r
+ }\r
+\r
+ if (*ParseFileName == '.' &&\r
+ *(ParseFileName + 1) == '.' &&\r
+ (*(ParseFileName + 2) == 0 || *(ParseFileName + 2) == '/') &&\r
+ *(ParseFileName - 1) == '/'\r
+ ) {\r
+\r
+ ParseFileName--;\r
+ Count = 3;\r
+\r
+ while (ParseFileName != GuardPointer) {\r
+ ParseFileName--;\r
+ Count++;\r
+ if (*ParseFileName == '/') {\r
+ break;\r
+ }\r
+ }\r
+\r
+ //\r
+ // cut /.. and its left directory\r
+ //\r
+ CutPrefix (ParseFileName, Count);\r
+ LoopFinish = FALSE;\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ if (AsciiStrCmp (NewPrivateFile->FileName, PrivateRoot->FilePath) == 0) {\r
+ NewPrivateFile->IsRootDirectory = TRUE;\r
+ free (NewPrivateFile->FileName);\r
+ free (NewPrivateFile);\r
+ goto OpenRoot;\r
+ }\r
+\r
+ RealFileName = NewPrivateFile->FileName + AsciiStrLen(NewPrivateFile->FileName) - 1;\r
+ while (RealFileName > NewPrivateFile->FileName && *RealFileName != '/') {\r
+ RealFileName--;\r
+ }\r
+\r
+ TempChar = *(RealFileName - 1);\r
+ *(RealFileName - 1) = 0;\r
+ *(RealFileName - 1) = TempChar;\r
+\r
+\r
+ //\r
+ // Test whether file or directory\r
+ //\r
+ NewPrivateFile->IsRootDirectory = FALSE;\r
+ NewPrivateFile->fd = -1;\r
+ NewPrivateFile->Dir = NULL;\r
+ if (OpenMode & EFI_FILE_MODE_CREATE) {\r
+ if (Attributes & EFI_FILE_DIRECTORY) {\r
+ NewPrivateFile->IsDirectoryPath = TRUE;\r
+ } else {\r
+ NewPrivateFile->IsDirectoryPath = FALSE;\r
+ }\r
+ } else {\r
+ res = stat (NewPrivateFile->FileName, &finfo);\r
+ if (res == 0 && S_ISDIR(finfo.st_mode)) {\r
+ NewPrivateFile->IsDirectoryPath = TRUE;\r
+ } else {\r
+ NewPrivateFile->IsDirectoryPath = FALSE;\r
+ }\r
+ }\r
+\r
+ if (OpenMode & EFI_FILE_MODE_WRITE) {\r
+ NewPrivateFile->IsOpenedByRead = FALSE;\r
+ } else {\r
+ NewPrivateFile->IsOpenedByRead = TRUE;\r
+ }\r
+\r
+ Status = EFI_SUCCESS;\r
+\r
+ //\r
+ // deal with directory\r
+ //\r
+ if (NewPrivateFile->IsDirectoryPath) {\r
+ if ((OpenMode & EFI_FILE_MODE_CREATE)) {\r
+ //\r
+ // Create a directory\r
+ //\r
+ if (mkdir (NewPrivateFile->FileName, 0777) != 0) {\r
+ if (errno != EEXIST) {\r
+ //free (TempFileName);\r
+ Status = EFI_ACCESS_DENIED;\r
+ goto Done;\r
+ }\r
+ }\r
+ }\r
+\r
+ NewPrivateFile->Dir = opendir (NewPrivateFile->FileName);\r
+ if (NewPrivateFile->Dir == NULL) {\r
+ if (errno == EACCES) {\r
+ Status = EFI_ACCESS_DENIED;\r
+ } else {\r
+ Status = EFI_NOT_FOUND;\r
+ }\r
+\r
+ goto Done;\r
+ }\r
+\r
+ } else {\r
+ //\r
+ // deal with file\r
+ //\r
+ NewPrivateFile->fd = open (\r
+ NewPrivateFile->FileName,\r
+ ((OpenMode & EFI_FILE_MODE_CREATE) ? O_CREAT : 0) | (NewPrivateFile->IsOpenedByRead ? O_RDONLY : O_RDWR),\r
+ 0666\r
+ );\r
+ if (NewPrivateFile->fd < 0) {\r
+ if (errno == ENOENT) {\r
+ Status = EFI_NOT_FOUND;\r
+ } else {\r
+ Status = EFI_ACCESS_DENIED;\r
+ }\r
+ }\r
+ }\r
+\r
+ if ((OpenMode & EFI_FILE_MODE_CREATE) && Status == EFI_SUCCESS) {\r
+ //\r
+ // Set the attribute\r
+ //\r
+ InfoSize = 0;\r
+ Info = NULL;\r
+ Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
+ }\r
+\r
+ Info = malloc (InfoSize);\r
+ if (Info == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ Status = PosixFileGetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, &InfoSize, Info);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ Info->Attribute = Attributes;\r
+ PosixFileSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);\r
+\r
+ free (Info);\r
+ }\r
+\r
+Done: ;\r
+ if (TrailingDash) {\r
+ FileName[StrLen (FileName) + 1] = 0;\r
+ FileName[StrLen (FileName)] = L'\\';\r
+ }\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ if (NewPrivateFile) {\r
+ if (NewPrivateFile->FileName) {\r
+ free (NewPrivateFile->FileName);\r
+ }\r
+\r
+ free (NewPrivateFile);\r
+ }\r
+ } else {\r
+ *NewHandle = &NewPrivateFile->EfiFile;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+\r
+/**\r
+ Close the file handle\r
+\r
+ @param This Protocol instance pointer.\r
+\r
+ @retval EFI_SUCCESS The device was opened.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileCLose (\r
+ IN EFI_FILE_PROTOCOL *This\r
+ )\r
+{\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ if (PrivateFile->fd >= 0) {\r
+ close (PrivateFile->fd);\r
+ }\r
+ if (PrivateFile->Dir != NULL) {\r
+ closedir (PrivateFile->Dir);\r
+ }\r
+\r
+ PrivateFile->fd = -1;\r
+ PrivateFile->Dir = NULL;\r
+\r
+ if (PrivateFile->FileName) {\r
+ free (PrivateFile->FileName);\r
+ }\r
+\r
+ free (PrivateFile);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Close and delete the file handle.\r
+\r
+ @param This Protocol instance pointer.\r
+\r
+ @retval EFI_SUCCESS The device was opened.\r
+ @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileDelete (\r
+ IN EFI_FILE_PROTOCOL *This\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+ Status = EFI_WARN_DELETE_FAILURE;\r
+\r
+ if (PrivateFile->IsDirectoryPath) {\r
+ if (PrivateFile->Dir != NULL) {\r
+ closedir (PrivateFile->Dir);\r
+ PrivateFile->Dir = NULL;\r
+ }\r
+\r
+ if (rmdir (PrivateFile->FileName) == 0) {\r
+ Status = EFI_SUCCESS;\r
+ }\r
+ } else {\r
+ close (PrivateFile->fd);\r
+ PrivateFile->fd = -1;\r
+\r
+ if (!PrivateFile->IsOpenedByRead) {\r
+ if (!unlink (PrivateFile->FileName)) {\r
+ Status = EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ free (PrivateFile->FileName);\r
+ free (PrivateFile);\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Read data from the file.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param BufferSize On input size of buffer, on output amount of data in buffer.\r
+ @param Buffer The buffer in which data is read.\r
+\r
+ @retval EFI_SUCCESS Data was read.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileRead (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
+ )\r
+{\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+ EFI_STATUS Status;\r
+ int Res;\r
+ UINTN Size;\r
+ UINTN NameSize;\r
+ UINTN ResultSize;\r
+ CHAR8 *FullFileName;\r
+\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ if (!PrivateFile->IsDirectoryPath) {\r
+ if (PrivateFile->fd < 0) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
+ }\r
+\r
+ Res = read (PrivateFile->fd, Buffer, *BufferSize);\r
+ if (Res < 0) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
+ }\r
+ *BufferSize = Res;\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Read on a directory.\r
+ //\r
+ if (PrivateFile->Dir == NULL) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
+ }\r
+\r
+ if (PrivateFile->Dirent == NULL) {\r
+ PrivateFile->Dirent = readdir (PrivateFile->Dir);\r
+ if (PrivateFile->Dirent == NULL) {\r
+ *BufferSize = 0;\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+ }\r
+\r
+ Size = SIZE_OF_EFI_FILE_INFO;\r
+ NameSize = AsciiStrLen (PrivateFile->Dirent->d_name) + 1;\r
+ ResultSize = Size + 2 * NameSize;\r
+\r
+ if (*BufferSize < ResultSize) {\r
+ *BufferSize = ResultSize;\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ goto Done;\r
+ }\r
+ Status = EFI_SUCCESS;\r
+\r
+ *BufferSize = ResultSize;\r
+\r
+ FullFileName = malloc (AsciiStrLen(PrivateFile->FileName) + 1 + NameSize);\r
+ if (FullFileName == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+\r
+ AsciiStrCpy (FullFileName, PrivateFile->FileName);\r
+ AsciiStrCat (FullFileName, "/");\r
+ AsciiStrCat (FullFileName, PrivateFile->Dirent->d_name);\r
+ Status = UnixSimpleFileSystemFileInfo (\r
+ PrivateFile,\r
+ FullFileName,\r
+ BufferSize,\r
+ Buffer\r
+ );\r
+ free (FullFileName);\r
+\r
+ PrivateFile->Dirent = NULL;\r
+\r
+Done:\r
+ return Status;\r
+}\r
+\r
+\r
+\r
+/**\r
+ Write data to a file.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param BufferSize On input size of buffer, on output amount of data in buffer.\r
+ @param Buffer The buffer in which data to write.\r
+\r
+ @retval EFI_SUCCESS Data was written.\r
+ @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_WRITE_PROTECTED The device is write protected.\r
+ @retval EFI_ACCESS_DENIED The file was open for read only.\r
+ @retval EFI_VOLUME_FULL The volume is full.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileWrite (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN OUT UINTN *BufferSize,\r
+ IN VOID *Buffer\r
+ )\r
+{\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+ int Res;\r
+\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ if (PrivateFile->fd < 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ if (PrivateFile->IsDirectoryPath) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (PrivateFile->IsOpenedByRead) {\r
+ return EFI_ACCESS_DENIED;\r
+ }\r
+\r
+ Res = write (PrivateFile->fd, Buffer, *BufferSize);\r
+ if (Res == (UINTN)-1) {\r
+ return ErrnoToEfiStatus ();\r
+ }\r
+\r
+ *BufferSize = Res;\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+\r
+/**\r
+ Set a files current position\r
+\r
+ @param This Protocol instance pointer.\r
+ @param Position Byte position from the start of the file.\r
+\r
+ @retval EFI_SUCCESS Data was written.\r
+ @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileSetPossition (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN UINT64 Position\r
+ )\r
+{\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+ off_t Pos;\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ if (PrivateFile->IsDirectoryPath) {\r
+ if (Position != 0) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (PrivateFile->Dir == NULL) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+ rewinddir (PrivateFile->Dir);\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ if (Position == (UINT64) -1) {\r
+ Pos = lseek (PrivateFile->fd, 0, SEEK_END);\r
+ } else {\r
+ Pos = lseek (PrivateFile->fd, Position, SEEK_SET);\r
+ }\r
+ if (Pos == (off_t)-1) {\r
+ return ErrnoToEfiStatus ();\r
+ }\r
+ return EFI_SUCCESS;\r
+ }\r
+}\r
+\r
+\r
+\r
+/**\r
+ Get a file's current position\r
+\r
+ @param This Protocol instance pointer.\r
+ @param Position Byte position from the start of the file.\r
+\r
+ @retval EFI_SUCCESS Data was written.\r
+ @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open..\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileGetPossition (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ OUT UINT64 *Position\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ if (PrivateFile->IsDirectoryPath) {\r
+ Status = EFI_UNSUPPORTED;\r
+ } else {\r
+ *Position = (UINT64)lseek (PrivateFile->fd, 0, SEEK_CUR);\r
+ Status = (*Position == (UINT64) -1) ? ErrnoToEfiStatus () : EFI_SUCCESS;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Get information about a file.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param InformationType Type of information to return in Buffer.\r
+ @param BufferSize On input size of buffer, on output amount of data in buffer.\r
+ @param Buffer The buffer to return data.\r
+\r
+ @retval EFI_SUCCESS Data was returned.\r
+ @retval EFI_UNSUPPORTED InformationType is not supported.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_WRITE_PROTECTED The device is write protected.\r
+ @retval EFI_ACCESS_DENIED The file was open for read only.\r
+ @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileGetInfo (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN EFI_GUID *InformationType,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+ EFI_FILE_SYSTEM_INFO *FileSystemInfoBuffer;\r
+ int UnixStatus;\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r
+ struct statfs buf;\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+ PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r
+\r
+ Status = EFI_SUCCESS;\r
+ if (CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r
+ Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, BufferSize, Buffer);\r
+ } else if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r
+ if (*BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {\r
+ *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r
+ return EFI_BUFFER_TOO_SMALL;\r
+ }\r
+\r
+ UnixStatus = statfs (PrivateFile->FileName, &buf);\r
+ if (UnixStatus < 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ FileSystemInfoBuffer = (EFI_FILE_SYSTEM_INFO *) Buffer;\r
+ FileSystemInfoBuffer->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r
+ FileSystemInfoBuffer->ReadOnly = FALSE;\r
+\r
+ //\r
+ // Succeeded\r
+ //\r
+ FileSystemInfoBuffer->VolumeSize = MultU64x32 (buf.f_blocks, buf.f_bsize);\r
+ FileSystemInfoBuffer->FreeSpace = MultU64x32 (buf.f_bavail, buf.f_bsize);\r
+ FileSystemInfoBuffer->BlockSize = buf.f_bsize;\r
+\r
+\r
+ StrCpy ((CHAR16 *) FileSystemInfoBuffer->VolumeLabel, PrivateRoot->VolumeLabel);\r
+ *BufferSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel);\r
+\r
+ } else if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r
+ if (*BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r
+ *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r
+ return EFI_BUFFER_TOO_SMALL;\r
+ }\r
+\r
+ StrCpy ((CHAR16 *) Buffer, PrivateRoot->VolumeLabel);\r
+ *BufferSize = StrSize (PrivateRoot->VolumeLabel);\r
+\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Set information about a file\r
+\r
+ @param File Protocol instance pointer.\r
+ @param InformationType Type of information in Buffer.\r
+ @param BufferSize Size of buffer.\r
+ @param Buffer The data to write.\r
+\r
+ @retval EFI_SUCCESS Data was returned.\r
+ @retval EFI_UNSUPPORTED InformationType is not supported.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_WRITE_PROTECTED The device is write protected.\r
+ @retval EFI_ACCESS_DENIED The file was open for read only.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileSetInfo (\r
+ IN EFI_FILE_PROTOCOL *This,\r
+ IN EFI_GUID *InformationType,\r
+ IN UINTN BufferSize,\r
+ IN VOID *Buffer\r
+ )\r
+{\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE *PrivateRoot;\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+ EFI_FILE_INFO *OldFileInfo;\r
+ EFI_FILE_INFO *NewFileInfo;\r
+ EFI_STATUS Status;\r
+ UINTN OldInfoSize;\r
+ mode_t NewAttr;\r
+ struct stat OldAttr;\r
+ CHAR8 *OldFileName;\r
+ CHAR8 *NewFileName;\r
+ CHAR8 *CharPointer;\r
+ BOOLEAN AttrChangeFlag;\r
+ BOOLEAN NameChangeFlag;\r
+ BOOLEAN SizeChangeFlag;\r
+ BOOLEAN TimeChangeFlag;\r
+ struct tm NewLastAccessSystemTime;\r
+ struct tm NewLastWriteSystemTime;\r
+ EFI_FILE_SYSTEM_INFO *NewFileSystemInfo;\r
+ CHAR8 *AsciiFilePtr;\r
+ CHAR16 *UnicodeFilePtr;\r
+ int UnixStatus;\r
+ struct utimbuf Utime;\r
+\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+ PrivateRoot = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_DATA_FROM_THIS (PrivateFile->SimpleFileSystem);\r
+ errno = 0;\r
+ Status = EFI_UNSUPPORTED;\r
+ OldFileInfo = NewFileInfo = NULL;\r
+ OldFileName = NewFileName = NULL;\r
+ AttrChangeFlag = NameChangeFlag = SizeChangeFlag = TimeChangeFlag = FALSE;\r
+\r
+ //\r
+ // Set file system information.\r
+ //\r
+ if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {\r
+ if (BufferSize < (SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel))) {\r
+ Status = EFI_BAD_BUFFER_SIZE;\r
+ goto Done;\r
+ }\r
+\r
+ NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;\r
+\r
+ free (PrivateRoot->VolumeLabel);\r
+\r
+ PrivateRoot->VolumeLabel = malloc (StrSize (NewFileSystemInfo->VolumeLabel));\r
+ if (PrivateRoot->VolumeLabel == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ StrCpy (PrivateRoot->VolumeLabel, NewFileSystemInfo->VolumeLabel);\r
+\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Set volume label information.\r
+ //\r
+ if (CompareGuid (InformationType, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r
+ if (BufferSize < StrSize (PrivateRoot->VolumeLabel)) {\r
+ Status = EFI_BAD_BUFFER_SIZE;\r
+ goto Done;\r
+ }\r
+\r
+ StrCpy (PrivateRoot->VolumeLabel, (CHAR16 *) Buffer);\r
+\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+\r
+ if (!CompareGuid (InformationType, &gEfiFileInfoGuid)) {\r
+ Status = EFI_UNSUPPORTED;\r
+ goto Done;\r
+ }\r
+\r
+ if (BufferSize < SIZE_OF_EFI_FILE_INFO) {\r
+ Status = EFI_BAD_BUFFER_SIZE;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Set file/directory information.\r
+ //\r
+\r
+ //\r
+ // Check for invalid set file information parameters.\r
+ //\r
+ NewFileInfo = (EFI_FILE_INFO *) Buffer;\r
+ if (NewFileInfo->Size <= sizeof (EFI_FILE_INFO) ||\r
+ (NewFileInfo->Attribute &~(EFI_FILE_VALID_ATTR)) ||\r
+ (sizeof (UINTN) == 4 && NewFileInfo->Size > 0xFFFFFFFF)\r
+ ) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Get current file information so we can determine what kind\r
+ // of change request this is.\r
+ //\r
+ OldInfoSize = 0;\r
+ Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, NULL);\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
+ }\r
+\r
+ OldFileInfo = malloc (OldInfoSize);\r
+ if (OldFileInfo == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ Status = UnixSimpleFileSystemFileInfo (PrivateFile, NULL, &OldInfoSize, OldFileInfo);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ OldFileName = malloc (AsciiStrSize (PrivateFile->FileName));\r
+ if (OldFileInfo == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ AsciiStrCpy (OldFileName, PrivateFile->FileName);\r
+\r
+ //\r
+ // Make full pathname from new filename and rootpath.\r
+ //\r
+ if (NewFileInfo->FileName[0] == '\\') {\r
+ NewFileName = malloc (AsciiStrLen (PrivateRoot->FilePath) + 1 + StrLen (NewFileInfo->FileName) + 1);\r
+ if (NewFileName == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ AsciiStrCpy (NewFileName, PrivateRoot->FilePath);\r
+ AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);\r
+ UnicodeFilePtr = NewFileInfo->FileName + 1;\r
+ *AsciiFilePtr++ ='/';\r
+ } else {\r
+ NewFileName = malloc (AsciiStrLen (PrivateFile->FileName) + 2 + StrLen (NewFileInfo->FileName) + 1);\r
+ if (NewFileName == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ AsciiStrCpy (NewFileName, PrivateRoot->FilePath);\r
+ AsciiFilePtr = NewFileName + AsciiStrLen(NewFileName);\r
+ if ((AsciiFilePtr[-1] != '/') && (NewFileInfo->FileName[0] != '/')) {\r
+ // make sure there is a / between Root FilePath and NewFileInfo Filename\r
+ AsciiFilePtr[0] = '/';\r
+ AsciiFilePtr[1] = '\0';\r
+ AsciiFilePtr++;\r
+ }\r
+ UnicodeFilePtr = NewFileInfo->FileName;\r
+ }\r
+ // Convert to ascii.\r
+ while (*UnicodeFilePtr) {\r
+ *AsciiFilePtr++ = *UnicodeFilePtr++;\r
+ }\r
+ *AsciiFilePtr = 0;\r
+\r
+ //\r
+ // Is there an attribute change request?\r
+ //\r
+ if (NewFileInfo->Attribute != OldFileInfo->Attribute) {\r
+ if ((NewFileInfo->Attribute & EFI_FILE_DIRECTORY) != (OldFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ AttrChangeFlag = TRUE;\r
+ }\r
+\r
+ //\r
+ // Is there a name change request?\r
+ // bugbug: - Should really use EFI_UNICODE_COLLATION_PROTOCOL\r
+ //\r
+ if (StrCmp (NewFileInfo->FileName, OldFileInfo->FileName)) {\r
+ NameChangeFlag = TRUE;\r
+ }\r
+\r
+ //\r
+ // Is there a size change request?\r
+ //\r
+ if (NewFileInfo->FileSize != OldFileInfo->FileSize) {\r
+ SizeChangeFlag = TRUE;\r
+ }\r
+\r
+ //\r
+ // Is there a time stamp change request?\r
+ //\r
+ if (!IsZero (&NewFileInfo->CreateTime, sizeof (EFI_TIME)) &&\r
+ CompareMem (&NewFileInfo->CreateTime, &OldFileInfo->CreateTime, sizeof (EFI_TIME))\r
+ ) {\r
+ TimeChangeFlag = TRUE;\r
+ } else if (!IsZero (&NewFileInfo->LastAccessTime, sizeof (EFI_TIME)) &&\r
+ CompareMem (&NewFileInfo->LastAccessTime, &OldFileInfo->LastAccessTime, sizeof (EFI_TIME))\r
+ ) {\r
+ TimeChangeFlag = TRUE;\r
+ } else if (!IsZero (&NewFileInfo->ModificationTime, sizeof (EFI_TIME)) &&\r
+ CompareMem (&NewFileInfo->ModificationTime, &OldFileInfo->ModificationTime, sizeof (EFI_TIME))\r
+ ) {\r
+ TimeChangeFlag = TRUE;\r
+ }\r
+\r
+ //\r
+ // All done if there are no change requests being made.\r
+ //\r
+ if (!(AttrChangeFlag || NameChangeFlag || SizeChangeFlag || TimeChangeFlag)) {\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Set file or directory information.\r
+ //\r
+ if (stat (OldFileName, &OldAttr) != 0) {\r
+ Status = ErrnoToEfiStatus ();\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Name change.\r
+ //\r
+ if (NameChangeFlag) {\r
+ //\r
+ // Close the handles first\r
+ //\r
+ if (PrivateFile->IsOpenedByRead) {\r
+ Status = EFI_ACCESS_DENIED;\r
+ goto Done;\r
+ }\r
+\r
+ for (CharPointer = NewFileName; *CharPointer != 0 && *CharPointer != L'/'; CharPointer++) {\r
+ }\r
+\r
+ if (*CharPointer != 0) {\r
+ Status = EFI_ACCESS_DENIED;\r
+ goto Done;\r
+ }\r
+\r
+ UnixStatus = rename (OldFileName, NewFileName);\r
+ if (UnixStatus == 0) {\r
+ //\r
+ // modify file name\r
+ //\r
+ free (PrivateFile->FileName);\r
+\r
+ PrivateFile->FileName = malloc (AsciiStrSize (NewFileName));\r
+ if (PrivateFile->FileName == NULL) {\r
+ goto Done;\r
+ }\r
+\r
+ AsciiStrCpy (PrivateFile->FileName, NewFileName);\r
+ } else {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Size change\r
+ //\r
+ if (SizeChangeFlag) {\r
+ if (PrivateFile->IsDirectoryPath) {\r
+ Status = EFI_UNSUPPORTED;\r
+ goto Done;\r
+ }\r
+\r
+ if (PrivateFile->IsOpenedByRead || OldFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r
+ Status = EFI_ACCESS_DENIED;\r
+ goto Done;\r
+ }\r
+\r
+ if (ftruncate (PrivateFile->fd, NewFileInfo->FileSize) != 0) {\r
+ Status = ErrnoToEfiStatus ();\r
+ goto Done;\r
+ }\r
+\r
+ }\r
+\r
+ //\r
+ // Time change\r
+ //\r
+ if (TimeChangeFlag) {\r
+ NewLastAccessSystemTime.tm_year = NewFileInfo->LastAccessTime.Year;\r
+ NewLastAccessSystemTime.tm_mon = NewFileInfo->LastAccessTime.Month;\r
+ NewLastAccessSystemTime.tm_mday = NewFileInfo->LastAccessTime.Day;\r
+ NewLastAccessSystemTime.tm_hour = NewFileInfo->LastAccessTime.Hour;\r
+ NewLastAccessSystemTime.tm_min = NewFileInfo->LastAccessTime.Minute;\r
+ NewLastAccessSystemTime.tm_sec = NewFileInfo->LastAccessTime.Second;\r
+ NewLastAccessSystemTime.tm_isdst = 0;\r
+\r
+ Utime.actime = mktime (&NewLastAccessSystemTime);\r
+\r
+ NewLastWriteSystemTime.tm_year = NewFileInfo->ModificationTime.Year;\r
+ NewLastWriteSystemTime.tm_mon = NewFileInfo->ModificationTime.Month;\r
+ NewLastWriteSystemTime.tm_mday = NewFileInfo->ModificationTime.Day;\r
+ NewLastWriteSystemTime.tm_hour = NewFileInfo->ModificationTime.Hour;\r
+ NewLastWriteSystemTime.tm_min = NewFileInfo->ModificationTime.Minute;\r
+ NewLastWriteSystemTime.tm_sec = NewFileInfo->ModificationTime.Second;\r
+ NewLastWriteSystemTime.tm_isdst = 0;\r
+\r
+ Utime.modtime = mktime (&NewLastWriteSystemTime);\r
+\r
+ if (Utime.actime == (time_t)-1 || Utime.modtime == (time_t)-1) {\r
+ goto Done;\r
+ }\r
+\r
+ if (utime (PrivateFile->FileName, &Utime) == -1) {\r
+ Status = ErrnoToEfiStatus ();\r
+ goto Done;\r
+ }\r
+ }\r
+\r
+ //\r
+ // No matter about AttrChangeFlag, Attribute must be set.\r
+ // Because operation before may cause attribute change.\r
+ //\r
+ NewAttr = OldAttr.st_mode;\r
+\r
+ if (NewFileInfo->Attribute & EFI_FILE_READ_ONLY) {\r
+ NewAttr &= ~(S_IRUSR | S_IRGRP | S_IROTH);\r
+ } else {\r
+ NewAttr |= S_IRUSR;\r
+ }\r
+\r
+ if (chmod (NewFileName, NewAttr) != 0) {\r
+ Status = ErrnoToEfiStatus ();\r
+ }\r
+\r
+Done:\r
+ if (OldFileInfo != NULL) {\r
+ free (OldFileInfo);\r
+ }\r
+\r
+ if (OldFileName != NULL) {\r
+ free (OldFileName);\r
+ }\r
+\r
+ if (NewFileName != NULL) {\r
+ free (NewFileName);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Flush data back for the file handle.\r
+\r
+ @param This Protocol instance pointer.\r
+\r
+ @retval EFI_SUCCESS Data was written.\r
+ @retval EFI_UNSUPPORTED Writes to Open directory are not supported.\r
+ @retval EFI_NO_MEDIA The device has no media.\r
+ @retval EFI_DEVICE_ERROR The device reported an error.\r
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r
+ @retval EFI_WRITE_PROTECTED The device is write protected.\r
+ @retval EFI_ACCESS_DENIED The file was open for read only.\r
+ @retval EFI_VOLUME_FULL The volume is full.\r
+\r
+**/\r
+EFI_STATUS\r
+PosixFileFlush (\r
+ IN EFI_FILE_PROTOCOL *This\r
+ )\r
+{\r
+ EMU_EFI_FILE_PRIVATE *PrivateFile;\r
+\r
+\r
+ PrivateFile = EMU_EFI_FILE_PRIVATE_DATA_FROM_THIS (This);\r
+\r
+ if (PrivateFile->IsDirectoryPath) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (PrivateFile->IsOpenedByRead) {\r
+ return EFI_ACCESS_DENIED;\r
+ }\r
+\r
+ if (PrivateFile->fd < 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ if (fsync (PrivateFile->fd) != 0) {\r
+ return ErrnoToEfiStatus ();\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+\r
+EFI_STATUS\r
+PosixFileSystmeThunkOpen (\r
+ IN EMU_IO_THUNK_PROTOCOL *This\r
+ )\r
+{\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r
+ UINTN i;\r
+\r
+ if (This->Private != NULL) {\r
+ return EFI_ALREADY_STARTED;\r
+ }\r
+\r
+ if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ Private = malloc (sizeof (EMU_SIMPLE_FILE_SYSTEM_PRIVATE));\r
+ if (Private == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Private->FilePath = malloc (StrLen (This->ConfigString) + 1);\r
+ if (Private->FilePath == NULL) {\r
+ free (Private);\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ // Convert Unicode to Ascii\r
+ for (i = 0; This->ConfigString[i] != 0; i++) {\r
+ Private->FilePath[i] = This->ConfigString[i];\r
+ }\r
+ Private->FilePath[i] = 0;\r
+\r
+\r
+ Private->VolumeLabel = malloc (StrSize (L"EFI_EMULATED"));\r
+ if (Private->VolumeLabel == NULL) {\r
+ free (Private->FilePath);\r
+ free (Private);\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ StrCpy (Private->VolumeLabel, L"EFI_EMULATED");\r
+\r
+ Private->Signature = EMU_SIMPLE_FILE_SYSTEM_PRIVATE_SIGNATURE;\r
+ Private->Thunk = This;\r
+ CopyMem (&Private->SimpleFileSystem, &gPosixFileSystemProtocol, sizeof (Private->SimpleFileSystem));\r
+ Private->FileHandlesOpen = FALSE;\r
+\r
+ This->Interface = &Private->SimpleFileSystem;\r
+ This->Private = Private;\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+EFI_STATUS\r
+PosixFileSystmeThunkClose (\r
+ IN EMU_IO_THUNK_PROTOCOL *This\r
+ )\r
+{\r
+ EMU_SIMPLE_FILE_SYSTEM_PRIVATE *Private;\r
+\r
+ if (!CompareGuid (This->Protocol, &gEfiSimpleFileSystemProtocolGuid)) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ Private = This->Private;\r
+\r
+ if (Private->FileHandlesOpen) {\r
+ //\r
+ // Close only supported if all the EFI_FILE_HANDLEs have been closed.\r
+ //\r
+ return EFI_NOT_READY;\r
+ }\r
+\r
+ if (This->Private != NULL) {\r
+ if (Private->VolumeLabel != NULL) {\r
+ free (Private->VolumeLabel);\r
+ }\r
+ free (This->Private);\r
+ This->Private = NULL;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+EMU_IO_THUNK_PROTOCOL gPosixFileSystemThunkIo = {\r
+ &gEfiSimpleFileSystemProtocolGuid,\r
+ NULL,\r
+ NULL,\r
+ 0,\r
+ GasketPosixFileSystmeThunkOpen,\r
+ GasketPosixFileSystmeThunkClose,\r
+ NULL\r
+};\r
+\r
+\r
projects / mirror_edk2.git / blobdiff