/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
- * FILE: drivers/fs/vfat/finfo.c
+ * FILE: drivers/filesystems/fastfat/finfo.c
* PURPOSE: VFAT Filesystem
* PROGRAMMER: Jason Filby (jasonfilby@yahoo.com)
* Herve Poussineau (reactos@poussine.freesurf.fr)
+ * Pierre Schweitzer (pierre@reactos.org)
*
*/
#define NDEBUG
#include <debug.h>
+#define NASSERTS_RENAME
+
/* GLOBALS ******************************************************************/
const char* FileInformationClassNames[] =
/*
* FUNCTION: Retrieve the standard file information
*/
-static
NTSTATUS
VfatGetStandardInformation(
PVFATFCB FCB,
StandardInfo->Directory = FALSE;
}
StandardInfo->NumberOfLinks = 1;
- StandardInfo->DeletePending = FCB->Flags & FCB_DELETE_PENDING ? TRUE : FALSE;
+ StandardInfo->DeletePending = BooleanFlagOn(FCB->Flags, FCB_DELETE_PENDING);
*BufferLength -= sizeof(FILE_STANDARD_INFORMATION);
return STATUS_SUCCESS;
VfatGetPositionInformation(
PFILE_OBJECT FileObject,
PVFATFCB FCB,
- PDEVICE_OBJECT DeviceObject,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_POSITION_INFORMATION PositionInfo,
PULONG BufferLength)
{
UNREFERENCED_PARAMETER(FileObject);
UNREFERENCED_PARAMETER(FCB);
- UNREFERENCED_PARAMETER(DeviceObject);
+ UNREFERENCED_PARAMETER(DeviceExt);
DPRINT("VfatGetPositionInformation()\n");
PDEVICE_EXTENSION DeviceExt,
PFILE_BASIC_INFORMATION BasicInfo)
{
+ ULONG NotifyFilter;
+
DPRINT("VfatSetBasicInformation()\n");
ASSERT(NULL != FileObject);
/* Check volume label bit */
ASSERT(0 == (*FCB->Attributes & _A_VOLID));
- if (FCB->Flags & FCB_IS_FATX_ENTRY)
+ NotifyFilter = 0;
+
+ if (BasicInfo->FileAttributes != 0)
+ {
+ UCHAR Attributes;
+
+ Attributes = (BasicInfo->FileAttributes & (FILE_ATTRIBUTE_ARCHIVE |
+ FILE_ATTRIBUTE_SYSTEM |
+ FILE_ATTRIBUTE_HIDDEN |
+ FILE_ATTRIBUTE_DIRECTORY |
+ FILE_ATTRIBUTE_READONLY));
+
+ if (vfatFCBIsDirectory(FCB))
+ {
+ if (BooleanFlagOn(BasicInfo->FileAttributes, FILE_ATTRIBUTE_TEMPORARY))
+ {
+ DPRINT("Setting temporary attribute on a directory!\n");
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ Attributes |= FILE_ATTRIBUTE_DIRECTORY;
+ }
+ else
+ {
+ if (BooleanFlagOn(BasicInfo->FileAttributes, FILE_ATTRIBUTE_DIRECTORY))
+ {
+ DPRINT("Setting directory attribute on a file!\n");
+ return STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ if (Attributes != *FCB->Attributes)
+ {
+ *FCB->Attributes = Attributes;
+ DPRINT("Setting attributes 0x%02x\n", *FCB->Attributes);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
+ }
+ }
+
+ if (vfatVolumeIsFatX(DeviceExt))
{
if (BasicInfo->CreationTime.QuadPart != 0 && BasicInfo->CreationTime.QuadPart != -1)
{
&BasicInfo->CreationTime,
&FCB->entry.FatX.CreationDate,
&FCB->entry.FatX.CreationTime);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_CREATION;
}
if (BasicInfo->LastAccessTime.QuadPart != 0 && BasicInfo->LastAccessTime.QuadPart != -1)
&BasicInfo->LastAccessTime,
&FCB->entry.FatX.AccessDate,
&FCB->entry.FatX.AccessTime);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
}
if (BasicInfo->LastWriteTime.QuadPart != 0 && BasicInfo->LastWriteTime.QuadPart != -1)
&BasicInfo->LastWriteTime,
&FCB->entry.FatX.UpdateDate,
&FCB->entry.FatX.UpdateTime);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
}
}
else
&BasicInfo->CreationTime,
&FCB->entry.Fat.CreationDate,
&FCB->entry.Fat.CreationTime);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_CREATION;
}
if (BasicInfo->LastAccessTime.QuadPart != 0 && BasicInfo->LastAccessTime.QuadPart != -1)
&BasicInfo->LastAccessTime,
&FCB->entry.Fat.AccessDate,
NULL);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
}
if (BasicInfo->LastWriteTime.QuadPart != 0 && BasicInfo->LastWriteTime.QuadPart != -1)
&BasicInfo->LastWriteTime,
&FCB->entry.Fat.UpdateDate,
&FCB->entry.Fat.UpdateTime);
+ NotifyFilter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
}
}
- if (BasicInfo->FileAttributes)
+ VfatUpdateEntry(DeviceExt, FCB);
+
+ if (NotifyFilter != 0)
{
- *FCB->Attributes = (unsigned char)((*FCB->Attributes &
- (FILE_ATTRIBUTE_DIRECTORY | 0x48)) |
- (BasicInfo->FileAttributes &
- (FILE_ATTRIBUTE_ARCHIVE |
- FILE_ATTRIBUTE_SYSTEM |
- FILE_ATTRIBUTE_HIDDEN |
- FILE_ATTRIBUTE_READONLY)));
- DPRINT("Setting attributes 0x%02x\n", *FCB->Attributes);
+ vfatReportChange(DeviceExt,
+ FCB,
+ NotifyFilter,
+ FILE_ACTION_MODIFIED);
}
- VfatUpdateEntry(FCB);
-
return STATUS_SUCCESS;
}
-static
NTSTATUS
VfatGetBasicInformation(
PFILE_OBJECT FileObject,
PVFATFCB FCB,
- PDEVICE_OBJECT DeviceObject,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_BASIC_INFORMATION BasicInfo,
PULONG BufferLength)
{
- PDEVICE_EXTENSION DeviceExt;
-
UNREFERENCED_PARAMETER(FileObject);
DPRINT("VfatGetBasicInformation()\n");
- DeviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
-
if (*BufferLength < sizeof(FILE_BASIC_INFORMATION))
return STATUS_BUFFER_OVERFLOW;
- if (FCB->Flags & FCB_IS_FATX_ENTRY)
+ if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
FCB->entry.FatX.CreationDate,
VfatSetDispositionInformation(
PFILE_OBJECT FileObject,
PVFATFCB FCB,
- PDEVICE_OBJECT DeviceObject,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_DISPOSITION_INFORMATION DispositionInfo)
{
-#if DBG
- PDEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
-#endif
-
DPRINT("FsdSetDispositionInformation(<%wZ>, Delete %u)\n", &FCB->PathNameU, DispositionInfo->DeleteFile);
ASSERT(DeviceExt != NULL);
return STATUS_SUCCESS;
}
- if (FCB->Flags & FCB_DELETE_PENDING)
+ if (BooleanFlagOn(FCB->Flags, FCB_DELETE_PENDING))
{
/* stream already marked for deletion. just update the file object */
FileObject->DeletePending = TRUE;
return STATUS_SUCCESS;
}
- if (*FCB->Attributes & FILE_ATTRIBUTE_READONLY)
+ if (vfatFCBIsReadOnly(FCB))
{
return STATUS_CANNOT_DELETE;
}
(FCB->LongNameU.Length == sizeof(WCHAR) && FCB->LongNameU.Buffer[0] == L'.') ||
(FCB->LongNameU.Length == 2 * sizeof(WCHAR) && FCB->LongNameU.Buffer[0] == L'.' && FCB->LongNameU.Buffer[1] == L'.'))
{
- // we cannot delete a '.', '..' or the root directory
+ /* we cannot delete a '.', '..' or the root directory */
return STATUS_ACCESS_DENIED;
}
-
if (!MmFlushImageSection (FileObject->SectionObjectPointer, MmFlushForDelete))
{
/* can't delete a file if its mapped into a process */
return STATUS_CANNOT_DELETE;
}
- if (vfatFCBIsDirectory(FCB) && !VfatIsDirectoryEmpty(FCB))
+ if (vfatFCBIsDirectory(FCB) && !VfatIsDirectoryEmpty(DeviceExt, FCB))
{
/* can't delete a non-empty directory */
return STATUS_SUCCESS;
}
+static NTSTATUS
+vfatPrepareTargetForRename(
+ IN PDEVICE_EXTENSION DeviceExt,
+ IN PVFATFCB * ParentFCB,
+ IN PUNICODE_STRING NewName,
+ IN BOOLEAN ReplaceIfExists,
+ IN PUNICODE_STRING ParentName,
+ OUT PBOOLEAN Deleted)
+{
+ NTSTATUS Status;
+ PVFATFCB TargetFcb;
+
+ DPRINT("vfatPrepareTargetForRename(%p, %p, %wZ, %d, %wZ, %p)\n", DeviceExt, ParentFCB, NewName, ReplaceIfExists, ParentName);
+
+ *Deleted = FALSE;
+ /* Try to open target */
+ Status = vfatGetFCBForFile(DeviceExt, ParentFCB, &TargetFcb, NewName);
+ /* If it exists */
+ if (NT_SUCCESS(Status))
+ {
+ DPRINT("Target file %wZ exists. FCB Flags %08x\n", NewName, TargetFcb->Flags);
+ /* Check whether we are allowed to replace */
+ if (ReplaceIfExists)
+ {
+ /* If that's a directory or a read-only file, we're not allowed */
+ if (vfatFCBIsDirectory(TargetFcb) || vfatFCBIsReadOnly(TargetFcb))
+ {
+ DPRINT("And this is a readonly file!\n");
+ vfatReleaseFCB(DeviceExt, *ParentFCB);
+ *ParentFCB = NULL;
+ vfatReleaseFCB(DeviceExt, TargetFcb);
+ return STATUS_OBJECT_NAME_COLLISION;
+ }
+
+
+ /* If we still have a file object, close it. */
+ if (TargetFcb->FileObject)
+ {
+ if (!MmFlushImageSection(TargetFcb->FileObject->SectionObjectPointer, MmFlushForDelete))
+ {
+ DPRINT("MmFlushImageSection failed.\n");
+ vfatReleaseFCB(DeviceExt, *ParentFCB);
+ *ParentFCB = NULL;
+ vfatReleaseFCB(DeviceExt, TargetFcb);
+ return STATUS_ACCESS_DENIED;
+ }
+
+ TargetFcb->FileObject->DeletePending = TRUE;
+ VfatCloseFile(DeviceExt, TargetFcb->FileObject);
+ }
+
+ /* If we are here, ensure the file isn't open by anyone! */
+ if (TargetFcb->OpenHandleCount != 0)
+ {
+ DPRINT("There are still open handles for this file.\n");
+ vfatReleaseFCB(DeviceExt, *ParentFCB);
+ *ParentFCB = NULL;
+ vfatReleaseFCB(DeviceExt, TargetFcb);
+ return STATUS_ACCESS_DENIED;
+ }
+
+ /* Effectively delete old file to allow renaming */
+ DPRINT("Effectively deleting the file.\n");
+ VfatDelEntry(DeviceExt, TargetFcb, NULL);
+ vfatReleaseFCB(DeviceExt, TargetFcb);
+ *Deleted = TRUE;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ vfatReleaseFCB(DeviceExt, *ParentFCB);
+ *ParentFCB = NULL;
+ vfatReleaseFCB(DeviceExt, TargetFcb);
+ return STATUS_OBJECT_NAME_COLLISION;
+ }
+ }
+ else if (*ParentFCB != NULL)
+ {
+ return STATUS_SUCCESS;
+ }
+
+ /* Failure */
+ return Status;
+}
+
+static
+BOOLEAN
+IsThereAChildOpened(PVFATFCB FCB)
+{
+ PLIST_ENTRY Entry;
+ PVFATFCB VolFCB;
+
+ for (Entry = FCB->ParentListHead.Flink; Entry != &FCB->ParentListHead; Entry = Entry->Flink)
+ {
+ VolFCB = CONTAINING_RECORD(Entry, VFATFCB, ParentListEntry);
+ if (VolFCB->OpenHandleCount != 0)
+ {
+ ASSERT(VolFCB->parentFcb == FCB);
+ DPRINT1("At least one children file opened! %wZ (%u, %u)\n", &VolFCB->PathNameU, VolFCB->RefCount, VolFCB->OpenHandleCount);
+ return TRUE;
+ }
+
+ if (vfatFCBIsDirectory(VolFCB) && !IsListEmpty(&VolFCB->ParentListHead))
+ {
+ if (IsThereAChildOpened(VolFCB))
+ {
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+static
+VOID
+VfatRenameChildFCB(
+ PDEVICE_EXTENSION DeviceExt,
+ PVFATFCB FCB)
+{
+ PLIST_ENTRY Entry;
+ PVFATFCB Child;
+
+ if (IsListEmpty(&FCB->ParentListHead))
+ return;
+
+ for (Entry = FCB->ParentListHead.Flink; Entry != &FCB->ParentListHead; Entry = Entry->Flink)
+ {
+ NTSTATUS Status;
+
+ Child = CONTAINING_RECORD(Entry, VFATFCB, ParentListEntry);
+ DPRINT("Found %wZ with still %lu references (parent: %lu)!\n", &Child->PathNameU, Child->RefCount, FCB->RefCount);
+
+ Status = vfatSetFCBNewDirName(DeviceExt, Child, FCB);
+ if (!NT_SUCCESS(Status))
+ continue;
+
+ if (vfatFCBIsDirectory(Child))
+ {
+ VfatRenameChildFCB(DeviceExt, Child);
+ }
+ }
+}
+
+/*
+ * FUNCTION: Set the file name information
+ */
+static
+NTSTATUS
+VfatSetRenameInformation(
+ PFILE_OBJECT FileObject,
+ PVFATFCB FCB,
+ PDEVICE_EXTENSION DeviceExt,
+ PFILE_RENAME_INFORMATION RenameInfo,
+ PFILE_OBJECT TargetFileObject)
+{
+#ifdef NASSERTS_RENAME
+#pragma push_macro("ASSERT")
+#undef ASSERT
+#define ASSERT(x) ((VOID) 0)
+#endif
+ NTSTATUS Status;
+ UNICODE_STRING NewName;
+ UNICODE_STRING SourcePath;
+ UNICODE_STRING SourceFile;
+ UNICODE_STRING NewPath;
+ UNICODE_STRING NewFile;
+ PFILE_OBJECT RootFileObject;
+ PVFATFCB RootFCB;
+ UNICODE_STRING RenameInfoString;
+ PVFATFCB ParentFCB;
+ IO_STATUS_BLOCK IoStatusBlock;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ HANDLE TargetHandle;
+ BOOLEAN DeletedTarget;
+ ULONG OldReferences, NewReferences;
+ PVFATFCB OldParent;
+
+ DPRINT("VfatSetRenameInfo(%p, %p, %p, %p, %p)\n", FileObject, FCB, DeviceExt, RenameInfo, TargetFileObject);
+
+ /* Disallow renaming root */
+ if (vfatFCBIsRoot(FCB))
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ OldReferences = FCB->parentFcb->RefCount;
+#ifdef NASSERTS_RENAME
+ UNREFERENCED_PARAMETER(OldReferences);
+#endif
+
+ /* If we are performing relative opening for rename, get FO for getting FCB and path name */
+ if (RenameInfo->RootDirectory != NULL)
+ {
+ /* We cannot tolerate relative opening with a full path */
+ if (RenameInfo->FileName[0] == L'\\')
+ {
+ return STATUS_OBJECT_NAME_INVALID;
+ }
+
+ Status = ObReferenceObjectByHandle(RenameInfo->RootDirectory,
+ FILE_READ_DATA,
+ *IoFileObjectType,
+ ExGetPreviousMode(),
+ (PVOID *)&RootFileObject,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+
+ RootFCB = RootFileObject->FsContext;
+ }
+
+ RtlInitEmptyUnicodeString(&NewName, NULL, 0);
+ ParentFCB = NULL;
+
+ if (TargetFileObject == NULL)
+ {
+ /* If we don't have target file object, construct paths thanks to relative FCB, if any, and with
+ * information supplied by the user
+ */
+
+ /* First, setup a string we'll work on */
+ RenameInfoString.Length = RenameInfo->FileNameLength;
+ RenameInfoString.MaximumLength = RenameInfo->FileNameLength;
+ RenameInfoString.Buffer = RenameInfo->FileName;
+
+ /* Check whether we have FQN */
+ if (RenameInfoString.Length > 6 * sizeof(WCHAR))
+ {
+ if (RenameInfoString.Buffer[0] == L'\\' && RenameInfoString.Buffer[1] == L'?' &&
+ RenameInfoString.Buffer[2] == L'?' && RenameInfoString.Buffer[3] == L'\\' &&
+ RenameInfoString.Buffer[5] == L':' && (RenameInfoString.Buffer[4] >= L'A' &&
+ RenameInfoString.Buffer[4] <= L'Z'))
+ {
+ /* If so, open its target directory */
+ InitializeObjectAttributes(&ObjectAttributes,
+ &RenameInfoString,
+ OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
+ NULL, NULL);
+
+ Status = IoCreateFile(&TargetHandle,
+ FILE_WRITE_DATA | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL, 0,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ FILE_OPEN,
+ FILE_OPEN_FOR_BACKUP_INTENT,
+ NULL, 0,
+ CreateFileTypeNone,
+ NULL,
+ IO_FORCE_ACCESS_CHECK | IO_OPEN_TARGET_DIRECTORY);
+ if (!NT_SUCCESS(Status))
+ {
+ goto Cleanup;
+ }
+
+ /* Get its FO to get the FCB */
+ Status = ObReferenceObjectByHandle(TargetHandle,
+ FILE_WRITE_DATA,
+ *IoFileObjectType,
+ KernelMode,
+ (PVOID *)&TargetFileObject,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ ZwClose(TargetHandle);
+ goto Cleanup;
+ }
+
+ /* Are we working on the same volume? */
+ if (IoGetRelatedDeviceObject(TargetFileObject) != IoGetRelatedDeviceObject(FileObject))
+ {
+ ObDereferenceObject(TargetFileObject);
+ ZwClose(TargetHandle);
+ TargetFileObject = NULL;
+ Status = STATUS_NOT_SAME_DEVICE;
+ goto Cleanup;
+ }
+ }
+ }
+
+ NewName.Length = 0;
+ NewName.MaximumLength = RenameInfo->FileNameLength;
+ if (RenameInfo->RootDirectory != NULL)
+ {
+ NewName.MaximumLength += sizeof(WCHAR) + RootFCB->PathNameU.Length;
+ }
+ else if (RenameInfo->FileName[0] != L'\\')
+ {
+ /* We don't have full path, and we don't have root directory:
+ * => we move inside the same directory
+ */
+ NewName.MaximumLength += sizeof(WCHAR) + FCB->DirNameU.Length;
+ }
+ else if (TargetFileObject != NULL)
+ {
+ /* We had a FQN:
+ * => we need to use its correct path
+ */
+ NewName.MaximumLength += sizeof(WCHAR) + ((PVFATFCB)TargetFileObject->FsContext)->PathNameU.Length;
+ }
+
+ NewName.Buffer = ExAllocatePoolWithTag(NonPagedPool, NewName.MaximumLength, TAG_VFAT);
+ if (NewName.Buffer == NULL)
+ {
+ if (TargetFileObject != NULL)
+ {
+ ObDereferenceObject(TargetFileObject);
+ ZwClose(TargetHandle);
+ TargetFileObject = NULL;
+ }
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto Cleanup;
+ }
+
+ if (RenameInfo->RootDirectory != NULL)
+ {
+ /* Here, copy first absolute and then append relative */
+ RtlCopyUnicodeString(&NewName, &RootFCB->PathNameU);
+ NewName.Buffer[NewName.Length / sizeof(WCHAR)] = L'\\';
+ NewName.Length += sizeof(WCHAR);
+ RtlAppendUnicodeStringToString(&NewName, &RenameInfoString);
+ }
+ else if (RenameInfo->FileName[0] != L'\\')
+ {
+ /* Here, copy first work directory and then append filename */
+ RtlCopyUnicodeString(&NewName, &FCB->DirNameU);
+ NewName.Buffer[NewName.Length / sizeof(WCHAR)] = L'\\';
+ NewName.Length += sizeof(WCHAR);
+ RtlAppendUnicodeStringToString(&NewName, &RenameInfoString);
+ }
+ else if (TargetFileObject != NULL)
+ {
+ /* Here, copy first path name and then append filename */
+ RtlCopyUnicodeString(&NewName, &((PVFATFCB)TargetFileObject->FsContext)->PathNameU);
+ NewName.Buffer[NewName.Length / sizeof(WCHAR)] = L'\\';
+ NewName.Length += sizeof(WCHAR);
+ RtlAppendUnicodeStringToString(&NewName, &RenameInfoString);
+ }
+ else
+ {
+ /* Here we should have full path, so simply copy it */
+ RtlCopyUnicodeString(&NewName, &RenameInfoString);
+ }
+
+ /* Do we have to cleanup some stuff? */
+ if (TargetFileObject != NULL)
+ {
+ ObDereferenceObject(TargetFileObject);
+ ZwClose(TargetHandle);
+ TargetFileObject = NULL;
+ }
+ }
+ else
+ {
+ /* At that point, we shouldn't care about whether we are relative opening
+ * Target FO FCB should already have full path
+ */
+
+ /* Before constructing string, just make a sanity check (just to be sure!) */
+ if (IoGetRelatedDeviceObject(TargetFileObject) != IoGetRelatedDeviceObject(FileObject))
+ {
+ Status = STATUS_NOT_SAME_DEVICE;
+ goto Cleanup;
+ }
+
+ NewName.Length = 0;
+ NewName.MaximumLength = TargetFileObject->FileName.Length + ((PVFATFCB)TargetFileObject->FsContext)->PathNameU.Length + sizeof(WCHAR);
+ NewName.Buffer = ExAllocatePoolWithTag(NonPagedPool, NewName.MaximumLength, TAG_VFAT);
+ if (NewName.Buffer == NULL)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto Cleanup;
+ }
+
+ RtlCopyUnicodeString(&NewName, &((PVFATFCB)TargetFileObject->FsContext)->PathNameU);
+ NewName.Buffer[NewName.Length / sizeof(WCHAR)] = L'\\';
+ NewName.Length += sizeof(WCHAR);
+ RtlAppendUnicodeStringToString(&NewName, &TargetFileObject->FileName);
+ }
+
+ /* Explode our paths to get path & filename */
+ vfatSplitPathName(&FCB->PathNameU, &SourcePath, &SourceFile);
+ DPRINT("Old dir: %wZ, Old file: %wZ\n", &SourcePath, &SourceFile);
+ vfatSplitPathName(&NewName, &NewPath, &NewFile);
+ DPRINT("New dir: %wZ, New file: %wZ\n", &NewPath, &NewFile);
+
+ if (vfatFCBIsDirectory(FCB) && !IsListEmpty(&FCB->ParentListHead))
+ {
+ if (IsThereAChildOpened(FCB))
+ {
+ Status = STATUS_ACCESS_DENIED;
+ ASSERT(OldReferences == FCB->parentFcb->RefCount);
+ goto Cleanup;
+ }
+ }
+
+ /* Are we working in place? */
+ if (FsRtlAreNamesEqual(&SourcePath, &NewPath, TRUE, NULL))
+ {
+ if (FsRtlAreNamesEqual(&SourceFile, &NewFile, FALSE, NULL))
+ {
+ Status = STATUS_SUCCESS;
+ ASSERT(OldReferences == FCB->parentFcb->RefCount);
+ goto Cleanup;
+ }
+
+ if (FsRtlAreNamesEqual(&SourceFile, &NewFile, TRUE, NULL))
+ {
+ vfatReportChange(DeviceExt,
+ FCB,
+ (vfatFCBIsDirectory(FCB) ?
+ FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
+ FILE_ACTION_RENAMED_OLD_NAME);
+ Status = vfatRenameEntry(DeviceExt, FCB, &NewFile, TRUE);
+ if (NT_SUCCESS(Status))
+ {
+ vfatReportChange(DeviceExt,
+ FCB,
+ (vfatFCBIsDirectory(FCB) ?
+ FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
+ FILE_ACTION_RENAMED_NEW_NAME);
+ }
+ }
+ else
+ {
+ /* Try to find target */
+ ParentFCB = FCB->parentFcb;
+ vfatGrabFCB(DeviceExt, ParentFCB);
+ Status = vfatPrepareTargetForRename(DeviceExt,
+ &ParentFCB,
+ &NewFile,
+ RenameInfo->ReplaceIfExists,
+ &NewPath,
+ &DeletedTarget);
+ if (!NT_SUCCESS(Status))
+ {
+ ASSERT(OldReferences == FCB->parentFcb->RefCount - 1);
+ ASSERT(OldReferences == ParentFCB->RefCount - 1);
+ goto Cleanup;
+ }
+
+ vfatReportChange(DeviceExt,
+ FCB,
+ (vfatFCBIsDirectory(FCB) ?
+ FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
+ (DeletedTarget ? FILE_ACTION_REMOVED : FILE_ACTION_RENAMED_OLD_NAME));
+ Status = vfatRenameEntry(DeviceExt, FCB, &NewFile, FALSE);
+ if (NT_SUCCESS(Status))
+ {
+ if (DeletedTarget)
+ {
+ vfatReportChange(DeviceExt,
+ FCB,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE
+ | FILE_NOTIFY_CHANGE_LAST_ACCESS | FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_EA,
+ FILE_ACTION_MODIFIED);
+ }
+ else
+ {
+ vfatReportChange(DeviceExt,
+ FCB,
+ (vfatFCBIsDirectory(FCB) ?
+ FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
+ FILE_ACTION_RENAMED_NEW_NAME);
+ }
+ }
+ }
+
+ ASSERT(OldReferences == FCB->parentFcb->RefCount - 1); // extra grab
+ ASSERT(OldReferences == ParentFCB->RefCount - 1); // extra grab
+ }
+ else
+ {
+
+ /* Try to find target */
+ ParentFCB = NULL;
+ OldParent = FCB->parentFcb;
+#ifdef NASSERTS_RENAME
+ UNREFERENCED_PARAMETER(OldParent);
+#endif
+ Status = vfatPrepareTargetForRename(DeviceExt,
+ &ParentFCB,
+ &NewName,
+ RenameInfo->ReplaceIfExists,
+ &NewPath,
+ &DeletedTarget);
+ if (!NT_SUCCESS(Status))
+ {
+ ASSERT(OldReferences == FCB->parentFcb->RefCount);
+ goto Cleanup;
+ }
+
+ NewReferences = ParentFCB->RefCount;
+#ifdef NASSERTS_RENAME
+ UNREFERENCED_PARAMETER(NewReferences);
+#endif
+
+ vfatReportChange(DeviceExt,
+ FCB,
+ (vfatFCBIsDirectory(FCB) ?
+ FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
+ FILE_ACTION_REMOVED);
+ Status = VfatMoveEntry(DeviceExt, FCB, &NewFile, ParentFCB);
+ if (NT_SUCCESS(Status))
+ {
+ if (DeletedTarget)
+ {
+ vfatReportChange(DeviceExt,
+ FCB,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE
+ | FILE_NOTIFY_CHANGE_LAST_ACCESS | FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_EA,
+ FILE_ACTION_MODIFIED);
+ }
+ else
+ {
+ vfatReportChange(DeviceExt,
+ FCB,
+ (vfatFCBIsDirectory(FCB) ?
+ FILE_NOTIFY_CHANGE_DIR_NAME : FILE_NOTIFY_CHANGE_FILE_NAME),
+ FILE_ACTION_ADDED);
+ }
+ }
+ }
+
+ if (NT_SUCCESS(Status) && vfatFCBIsDirectory(FCB))
+ {
+ VfatRenameChildFCB(DeviceExt, FCB);
+ }
+
+ ASSERT(OldReferences == OldParent->RefCount + 1); // removed file
+ ASSERT(NewReferences == ParentFCB->RefCount - 1); // new file
+Cleanup:
+ if (ParentFCB != NULL) vfatReleaseFCB(DeviceExt, ParentFCB);
+ if (NewName.Buffer != NULL) ExFreePoolWithTag(NewName.Buffer, TAG_VFAT);
+ if (RenameInfo->RootDirectory != NULL) ObDereferenceObject(RootFileObject);
+
+ return Status;
+#ifdef NASSERTS_RENAME
+#pragma pop_macro("ASSERT")
+#endif
+}
+
/*
* FUNCTION: Retrieve the file name information
*/
VfatGetNameInformation(
PFILE_OBJECT FileObject,
PVFATFCB FCB,
- PDEVICE_OBJECT DeviceObject,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_NAME_INFORMATION NameInfo,
PULONG BufferLength)
{
ULONG BytesToCopy;
UNREFERENCED_PARAMETER(FileObject);
- UNREFERENCED_PARAMETER(DeviceObject);
+ UNREFERENCED_PARAMETER(DeviceExt);
ASSERT(NameInfo != NULL);
ASSERT(FCB != NULL);
NTSTATUS
VfatGetInternalInformation(
PVFATFCB Fcb,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_INTERNAL_INFORMATION InternalInfo,
PULONG BufferLength)
{
if (*BufferLength < sizeof(FILE_INTERNAL_INFORMATION))
return STATUS_BUFFER_OVERFLOW;
- // FIXME: get a real index, that can be used in a create operation
- InternalInfo->IndexNumber.QuadPart = 0;
+
+ InternalInfo->IndexNumber.QuadPart = (LONGLONG)vfatDirEntryGetFirstCluster(DeviceExt, &Fcb->entry) * DeviceExt->FatInfo.BytesPerCluster;
+
*BufferLength -= sizeof(FILE_INTERNAL_INFORMATION);
return STATUS_SUCCESS;
}
if (*BufferLength < sizeof(FILE_NETWORK_OPEN_INFORMATION))
return(STATUS_BUFFER_OVERFLOW);
- if (Fcb->Flags & FCB_IS_FATX_ENTRY)
+ if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
Fcb->entry.FatX.CreationDate,
VfatGetEaInformation(
PFILE_OBJECT FileObject,
PVFATFCB Fcb,
- PDEVICE_OBJECT DeviceObject,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_EA_INFORMATION Info,
PULONG BufferLength)
{
- PDEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
-
UNREFERENCED_PARAMETER(FileObject);
UNREFERENCED_PARAMETER(Fcb);
VfatGetAllInformation(
PFILE_OBJECT FileObject,
PVFATFCB Fcb,
- PDEVICE_OBJECT DeviceObject,
+ PDEVICE_EXTENSION DeviceExt,
PFILE_ALL_INFORMATION Info,
PULONG BufferLength)
{
NTSTATUS Status;
- ULONG InitialBufferLength = *BufferLength;
ASSERT(Info);
ASSERT(Fcb);
- if (*BufferLength < sizeof(FILE_ALL_INFORMATION) + Fcb->PathNameU.Length + sizeof(WCHAR))
- return(STATUS_BUFFER_OVERFLOW);
+ if (*BufferLength < FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName))
+ return STATUS_BUFFER_OVERFLOW;
+
+ *BufferLength -= (sizeof(FILE_ACCESS_INFORMATION) + sizeof(FILE_MODE_INFORMATION) + sizeof(FILE_ALIGNMENT_INFORMATION));
/* Basic Information */
- Status = VfatGetBasicInformation(FileObject, Fcb, DeviceObject, &Info->BasicInformation, BufferLength);
+ Status = VfatGetBasicInformation(FileObject, Fcb, DeviceExt, &Info->BasicInformation, BufferLength);
if (!NT_SUCCESS(Status)) return Status;
/* Standard Information */
Status = VfatGetStandardInformation(Fcb, &Info->StandardInformation, BufferLength);
if (!NT_SUCCESS(Status)) return Status;
/* Internal Information */
- Status = VfatGetInternalInformation(Fcb, &Info->InternalInformation, BufferLength);
+ Status = VfatGetInternalInformation(Fcb, DeviceExt, &Info->InternalInformation, BufferLength);
if (!NT_SUCCESS(Status)) return Status;
/* EA Information */
- Info->EaInformation.EaSize = 0;
- /* Access Information: The IO-Manager adds this information */
+ Status = VfatGetEaInformation(FileObject, Fcb, DeviceExt, &Info->EaInformation, BufferLength);
+ if (!NT_SUCCESS(Status)) return Status;
/* Position Information */
- Status = VfatGetPositionInformation(FileObject, Fcb, DeviceObject, &Info->PositionInformation, BufferLength);
+ Status = VfatGetPositionInformation(FileObject, Fcb, DeviceExt, &Info->PositionInformation, BufferLength);
if (!NT_SUCCESS(Status)) return Status;
- /* Mode Information: The IO-Manager adds this information */
- /* Alignment Information: The IO-Manager adds this information */
/* Name Information */
- Status = VfatGetNameInformation(FileObject, Fcb, DeviceObject, &Info->NameInformation, BufferLength);
- if (!NT_SUCCESS(Status)) return Status;
+ Status = VfatGetNameInformation(FileObject, Fcb, DeviceExt, &Info->NameInformation, BufferLength);
- *BufferLength = InitialBufferLength - (sizeof(FILE_ALL_INFORMATION) + Fcb->PathNameU.Length + sizeof(WCHAR));
-
- return STATUS_SUCCESS;
+ return Status;
}
static
PFILE_OBJECT FileObject,
PVFATFCB Fcb,
ULONG Size,
- ULONG ClusterSize)
+ ULONG ClusterSize,
+ BOOLEAN IsFatX)
{
if (Size > 0)
{
- Fcb->RFCB.AllocationSize.QuadPart = ROUND_UP(Size, ClusterSize);
+ Fcb->RFCB.AllocationSize.QuadPart = ROUND_UP_64(Size, ClusterSize);
}
else
{
}
if (!vfatFCBIsDirectory(Fcb))
{
- if (Fcb->Flags & FCB_IS_FATX_ENTRY)
+ if (IsFatX)
Fcb->entry.FatX.FileSize = Size;
else
Fcb->entry.Fat.FileSize = Size;
ULONG ClusterSize = DeviceExt->FatInfo.BytesPerCluster;
ULONG NewSize = AllocationSize->u.LowPart;
ULONG NCluster;
- BOOLEAN AllocSizeChanged = FALSE;
+ BOOLEAN AllocSizeChanged = FALSE, IsFatX = vfatVolumeIsFatX(DeviceExt);
DPRINT("VfatSetAllocationSizeInformation(File <%wZ>, AllocationSize %d %u)\n",
&Fcb->PathNameU, AllocationSize->HighPart, AllocationSize->LowPart);
- if (Fcb->Flags & FCB_IS_FATX_ENTRY)
+ if (IsFatX)
OldSize = Fcb->entry.FatX.FileSize;
else
OldSize = Fcb->entry.Fat.FileSize;
return STATUS_DISK_FULL;
}
- if (Fcb->Flags & FCB_IS_FATX_ENTRY)
+ if (IsFatX)
{
Fcb->entry.FatX.FirstCluster = FirstCluster;
}
return STATUS_DISK_FULL;
}
}
- UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize);
+ UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize, vfatVolumeIsFatX(DeviceExt));
}
else if (NewSize + ClusterSize <= Fcb->RFCB.AllocationSize.u.LowPart)
{
AllocSizeChanged = TRUE;
/* FIXME: Use the cached cluster/offset better way. */
Fcb->LastCluster = Fcb->LastOffset = 0;
- UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize);
+ UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize, vfatVolumeIsFatX(DeviceExt));
if (NewSize > 0)
{
Status = OffsetToCluster(DeviceExt, FirstCluster,
}
else
{
- if (Fcb->Flags & FCB_IS_FATX_ENTRY)
+ if (IsFatX)
{
Fcb->entry.FatX.FirstCluster = 0;
}
WriteCluster(DeviceExt, Cluster, 0);
Cluster = NCluster;
}
+
+ if (DeviceExt->FatInfo.FatType == FAT32)
+ {
+ FAT32UpdateFreeClustersCount(DeviceExt);
+ }
}
else
{
- UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize);
+ UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize, vfatVolumeIsFatX(DeviceExt));
}
/* Update the on-disk directory entry */
Fcb->Flags |= FCB_IS_DIRTY;
if (AllocSizeChanged)
{
- VfatUpdateEntry(Fcb);
+ VfatUpdateEntry(DeviceExt, Fcb);
+
+ vfatReportChange(DeviceExt, Fcb, FILE_NOTIFY_CHANGE_SIZE, FILE_ACTION_MODIFIED);
}
return STATUS_SUCCESS;
}
PVFAT_IRP_CONTEXT IrpContext)
{
FILE_INFORMATION_CLASS FileInformationClass;
- PVFATFCB FCB = NULL;
+ PVFATFCB FCB;
NTSTATUS Status = STATUS_SUCCESS;
PVOID SystemBuffer;
DPRINT("VfatQueryInformation is called for '%s'\n",
FileInformationClass >= FileMaximumInformation - 1 ? "????" : FileInformationClassNames[FileInformationClass]);
+ if (FCB == NULL)
+ {
+ DPRINT1("IRP_MJ_QUERY_INFORMATION without FCB!\n");
+ IrpContext->Irp->IoStatus.Information = 0;
+ return STATUS_INVALID_PARAMETER;
+ }
SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
BufferLength = IrpContext->Stack->Parameters.QueryFile.Length;
- if (!(FCB->Flags & FCB_IS_PAGE_FILE))
+ if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
{
if (!ExAcquireResourceSharedLite(&FCB->MainResource,
- (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
+ BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
{
- return VfatQueueRequest(IrpContext);
+ return VfatMarkIrpContextForQueue(IrpContext);
}
}
case FilePositionInformation:
Status = VfatGetPositionInformation(IrpContext->FileObject,
FCB,
- IrpContext->DeviceObject,
+ IrpContext->DeviceExt,
SystemBuffer,
&BufferLength);
break;
case FileBasicInformation:
Status = VfatGetBasicInformation(IrpContext->FileObject,
FCB,
- IrpContext->DeviceObject,
+ IrpContext->DeviceExt,
SystemBuffer,
&BufferLength);
break;
case FileNameInformation:
Status = VfatGetNameInformation(IrpContext->FileObject,
FCB,
- IrpContext->DeviceObject,
+ IrpContext->DeviceExt,
SystemBuffer,
&BufferLength);
break;
case FileInternalInformation:
Status = VfatGetInternalInformation(FCB,
+ IrpContext->DeviceExt,
SystemBuffer,
&BufferLength);
break;
case FileAllInformation:
Status = VfatGetAllInformation(IrpContext->FileObject,
FCB,
- IrpContext->DeviceObject,
+ IrpContext->DeviceExt,
SystemBuffer,
&BufferLength);
break;
case FileEaInformation:
Status = VfatGetEaInformation(IrpContext->FileObject,
FCB,
- IrpContext->DeviceObject,
+ IrpContext->DeviceExt,
SystemBuffer,
&BufferLength);
break;
Status = STATUS_INVALID_PARAMETER;
}
- if (!(FCB->Flags & FCB_IS_PAGE_FILE))
+ if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
{
ExReleaseResourceLite(&FCB->MainResource);
}
- IrpContext->Irp->IoStatus.Status = Status;
if (NT_SUCCESS(Status) || Status == STATUS_BUFFER_OVERFLOW)
IrpContext->Irp->IoStatus.Information =
IrpContext->Stack->Parameters.QueryFile.Length - BufferLength;
else
IrpContext->Irp->IoStatus.Information = 0;
- IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
- VfatFreeIrpContext(IrpContext);
return Status;
}
PVFAT_IRP_CONTEXT IrpContext)
{
FILE_INFORMATION_CLASS FileInformationClass;
- PVFATFCB FCB = NULL;
+ PVFATFCB FCB;
NTSTATUS Status = STATUS_SUCCESS;
PVOID SystemBuffer;
+ BOOLEAN LockDir;
/* PRECONDITION */
ASSERT(IrpContext);
DPRINT("FileInformationClass %d\n", FileInformationClass);
DPRINT("SystemBuffer %p\n", SystemBuffer);
+ if (FCB == NULL)
+ {
+ DPRINT1("IRP_MJ_SET_INFORMATION without FCB!\n");
+ IrpContext->Irp->IoStatus.Information = 0;
+ return STATUS_INVALID_PARAMETER;
+ }
+
/* Special: We should call MmCanFileBeTruncated here to determine if changing
the file size would be allowed. If not, we bail with the right error.
We must do this before acquiring the lock. */
(PLARGE_INTEGER)SystemBuffer))
{
DPRINT("Couldn't set file size!\n");
- IrpContext->Irp->IoStatus.Status = STATUS_USER_MAPPED_FILE;
IrpContext->Irp->IoStatus.Information = 0;
- IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
- VfatFreeIrpContext(IrpContext);
return STATUS_USER_MAPPED_FILE;
}
DPRINT("Can set file size\n");
}
- if (!(FCB->Flags & FCB_IS_PAGE_FILE))
+ LockDir = FALSE;
+ if (FileInformationClass == FileRenameInformation || FileInformationClass == FileAllocationInformation ||
+ FileInformationClass == FileEndOfFileInformation || FileInformationClass == FileBasicInformation)
+ {
+ LockDir = TRUE;
+ }
+
+ if (LockDir)
+ {
+ if (!ExAcquireResourceExclusiveLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
+ BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
+ {
+ return VfatMarkIrpContextForQueue(IrpContext);
+ }
+ }
+
+ if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
{
if (!ExAcquireResourceExclusiveLite(&FCB->MainResource,
- (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
+ BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
{
- return VfatQueueRequest(IrpContext);
+ if (LockDir)
+ {
+ ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+ }
+
+ return VfatMarkIrpContextForQueue(IrpContext);
}
}
case FileDispositionInformation:
Status = VfatSetDispositionInformation(IrpContext->FileObject,
FCB,
- IrpContext->DeviceObject,
+ IrpContext->DeviceExt,
SystemBuffer);
break;
break;
case FileRenameInformation:
- Status = STATUS_NOT_IMPLEMENTED;
+ Status = VfatSetRenameInformation(IrpContext->FileObject,
+ FCB,
+ IrpContext->DeviceExt,
+ SystemBuffer,
+ IrpContext->Stack->Parameters.SetFile.FileObject);
break;
default:
Status = STATUS_NOT_SUPPORTED;
}
- if (!(FCB->Flags & FCB_IS_PAGE_FILE))
+ if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
{
ExReleaseResourceLite(&FCB->MainResource);
}
- IrpContext->Irp->IoStatus.Status = Status;
- IrpContext->Irp->IoStatus.Information = 0;
- IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
- VfatFreeIrpContext(IrpContext);
+ if (LockDir)
+ {
+ ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+ }
+ IrpContext->Irp->IoStatus.Information = 0;
return Status;
}
projects / reactos.git / blobdiff