/*
* ReactOS kernel
- * Copyright (C) 2002,2003 ReactOS Team
+ * Copyright (C) 2002, 2003, 2014 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* PROJECT: ReactOS kernel
* FILE: drivers/filesystem/ntfs/dirctl.c
* PURPOSE: NTFS filesystem driver
- * PROGRAMMER: Eric Kohl
+ * PROGRAMMERS: Eric Kohl
+ * Pierre Schweitzer (pierre@reactos.org)
+ * Hervé Poussineau (hpoussin@reactos.org)
*/
/* INCLUDES *****************************************************************/
#define NDEBUG
#include <debug.h>
-/* GLOBALS *****************************************************************/
-
-
/* FUNCTIONS ****************************************************************/
#if 0
return(STATUS_SUCCESS);
}
+#endif
static NTSTATUS
-CdfsFindFile(PDEVICE_EXTENSION DeviceExt,
- PFCB Fcb,
- PFCB Parent,
- PWSTR FileToFind,
- PULONG pDirIndex,
- PULONG pDirIndex2)
-/*
- * FUNCTION: Find a file
- */
+NtfsGetNameInformation(PDEVICE_EXTENSION DeviceExt,
+ PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_CONTEXT DataContext,
+ PFILE_NAMES_INFORMATION Info,
+ ULONG BufferLength)
{
- WCHAR name[256];
- WCHAR TempStr[2];
- PVOID Block;
- NTSTATUS Status;
- ULONG len;
- ULONG DirIndex;
- ULONG Offset;
- ULONG Read;
- BOOLEAN IsRoot;
- PVOID Context = NULL;
- ULONG DirSize;
- PUCHAR Ptr;
- PDIR_RECORD Record;
- LARGE_INTEGER StreamOffset;
-
- DPRINT("FindFile(Parent %x, FileToFind '%S', DirIndex: %d)\n",
- Parent, FileToFind, pDirIndex ? *pDirIndex : 0);
- DPRINT("FindFile: old Pathname %x, old Objectname %x)\n",
- Fcb->PathName, Fcb->ObjectName);
-
- IsRoot = FALSE;
- DirIndex = 0;
- if (wcslen (FileToFind) == 0)
- {
- CHECKPOINT;
- TempStr[0] = (WCHAR) '.';
- TempStr[1] = 0;
- FileToFind = (PWSTR)&TempStr;
- }
-
- if (Parent)
- {
- if (Parent->Entry.ExtentLocationL == DeviceExt->CdInfo.RootStart)
- {
- IsRoot = TRUE;
- }
- }
- else
- {
- IsRoot = TRUE;
- }
-
- if (IsRoot == TRUE)
- {
- StreamOffset.QuadPart = (LONGLONG)DeviceExt->CdInfo.RootStart * (LONGLONG)BLOCKSIZE;
- DirSize = DeviceExt->CdInfo.RootSize;
-
-
- if (FileToFind[0] == 0 || (FileToFind[0] == '\\' && FileToFind[1] == 0)
- || (FileToFind[0] == '.' && FileToFind[1] == 0))
- {
- /* it's root : complete essentials fields then return ok */
- RtlZeroMemory(Fcb, sizeof(FCB));
-
- Fcb->PathName[0]='\\';
- Fcb->ObjectName = &Fcb->PathName[1];
- Fcb->Entry.ExtentLocationL = DeviceExt->CdInfo.RootStart;
- Fcb->Entry.DataLengthL = DeviceExt->CdInfo.RootSize;
- Fcb->Entry.FileFlags = 0x02; //FILE_ATTRIBUTE_DIRECTORY;
-
- if (pDirIndex)
- *pDirIndex = 0;
- if (pDirIndex2)
- *pDirIndex2 = 0;
- DPRINT("CdfsFindFile: new Pathname %S, new Objectname %S)\n",Fcb->PathName, Fcb->ObjectName);
- return (STATUS_SUCCESS);
- }
- }
- else
- {
- StreamOffset.QuadPart = (LONGLONG)Parent->Entry.ExtentLocationL * (LONGLONG)BLOCKSIZE;
- DirSize = Parent->Entry.DataLengthL;
- }
-
- DPRINT("StreamOffset %I64u DirSize %lu\n", StreamOffset.QuadPart, DirSize);
-
- if (pDirIndex && (*pDirIndex))
- DirIndex = *pDirIndex;
+ ULONG Length;
+ PFILENAME_ATTRIBUTE FileName;
- if(!CcMapData(DeviceExt->StreamFileObject, &StreamOffset,
- BLOCKSIZE, TRUE, &Context, &Block))
- {
- DPRINT("CcMapData() failed\n");
- return(STATUS_UNSUCCESSFUL);
- }
+ DPRINT("NtfsGetNameInformation() called\n");
- Ptr = (PUCHAR)Block;
- while(TRUE)
- {
- Record = (PDIR_RECORD)Ptr;
- if (Record->RecordLength == 0)
- {
- DPRINT1("Stopped!\n");
- break;
- }
-
- DPRINT("RecordLength %u ExtAttrRecordLength %u NameLength %u\n",
- Record->RecordLength, Record->ExtAttrRecordLength, Record->FileIdLength);
-
- Status = CdfsGetEntryName(DeviceExt, &Context, &Block, &StreamOffset,
- DirSize, (PVOID*)&Ptr, name, &DirIndex, pDirIndex2);
- if (Status == STATUS_NO_MORE_ENTRIES)
- {
- break;
- }
- else if (Status == STATUS_UNSUCCESSFUL)
- {
- /* Note: the directory cache has already been unpinned */
- return(Status);
- }
-
- DPRINT("Name '%S'\n", name);
-
- if (wstrcmpjoki(name, FileToFind)) /* || wstrcmpjoki (name2, FileToFind)) */
- {
- if (Parent && Parent->PathName)
- {
- len = wcslen(Parent->PathName);
- memcpy(Fcb->PathName, Parent->PathName, len*sizeof(WCHAR));
- Fcb->ObjectName=&Fcb->PathName[len];
- if (len != 1 || Fcb->PathName[0] != '\\')
- {
- Fcb->ObjectName[0] = '\\';
- Fcb->ObjectName = &Fcb->ObjectName[1];
- }
- }
- else
- {
- Fcb->ObjectName=Fcb->PathName;
- Fcb->ObjectName[0]='\\';
- Fcb->ObjectName=&Fcb->ObjectName[1];
- }
+ FileName = GetBestFileNameFromRecord(FileRecord);
+ ASSERT(FileName != NULL);
- DPRINT("PathName '%S' ObjectName '%S'\n", Fcb->PathName, Fcb->ObjectName);
+ Length = FileName->NameLength * sizeof (WCHAR);
+ if ((sizeof(FILE_NAMES_INFORMATION) + Length) > BufferLength)
+ return(STATUS_BUFFER_OVERFLOW);
- memcpy(&Fcb->Entry, Ptr, sizeof(DIR_RECORD));
- wcsncpy(Fcb->ObjectName, name, MAX_PATH);
- if (pDirIndex)
- *pDirIndex = DirIndex;
+ Info->FileNameLength = Length;
+ Info->NextEntryOffset =
+ ROUND_UP(sizeof(FILE_NAMES_INFORMATION) + Length, sizeof(ULONG));
+ RtlCopyMemory(Info->FileName, FileName->Name, Length);
- DPRINT("FindFile: new Pathname %S, new Objectname %S, DirIndex %d\n",
- Fcb->PathName, Fcb->ObjectName, DirIndex);
-
- CcUnpinData(Context);
-
- return(STATUS_SUCCESS);
- }
-
-
- Ptr = Ptr + Record->RecordLength;
- DirIndex++;
-
- if (((ULONG)Ptr - (ULONG)Block) >= DirSize)
- {
- DPRINT("Stopped!\n");
- break;
- }
- }
-
- CcUnpinData(Context);
-
- if (pDirIndex)
- *pDirIndex = DirIndex;
-
- return(STATUS_UNSUCCESSFUL);
+ return(STATUS_SUCCESS);
}
static NTSTATUS
-CdfsGetNameInformation(PFCB Fcb,
- PDEVICE_EXTENSION DeviceExt,
- PFILE_NAMES_INFORMATION Info,
- ULONG BufferLength)
+NtfsGetDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
+ PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_CONTEXT DataContext,
+ ULONGLONG MFTIndex,
+ PFILE_DIRECTORY_INFORMATION Info,
+ ULONG BufferLength)
{
- ULONG Length;
+ ULONG Length;
+ PFILENAME_ATTRIBUTE FileName;
+ PSTANDARD_INFORMATION StdInfo;
- DPRINT("CdfsGetNameInformation() called\n");
+ DPRINT("NtfsGetDirectoryInformation() called\n");
- Length = wcslen(Fcb->ObjectName) * sizeof(WCHAR);
- if ((sizeof (FILE_BOTH_DIRECTORY_INFORMATION) + Length) > BufferLength)
- return(STATUS_BUFFER_OVERFLOW);
+ FileName = GetBestFileNameFromRecord(FileRecord);
+ ASSERT(FileName != NULL);
- Info->FileNameLength = Length;
- Info->NextEntryOffset =
- ROUND_UP(sizeof(FILE_BOTH_DIRECTORY_INFORMATION) + Length, 4);
- memcpy(Info->FileName, Fcb->ObjectName, Length);
+ StdInfo = GetStandardInformationFromRecord(FileRecord);
+ ASSERT(StdInfo != NULL);
- return(STATUS_SUCCESS);
-}
+ Length = FileName->NameLength * sizeof (WCHAR);
+ if ((sizeof(FILE_DIRECTORY_INFORMATION) + Length) > BufferLength)
+ return(STATUS_BUFFER_OVERFLOW);
+ Info->FileNameLength = Length;
+ Info->NextEntryOffset =
+ ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) + Length, sizeof(ULONG));
+ RtlCopyMemory(Info->FileName, FileName->Name, Length);
-static NTSTATUS
-CdfsGetDirectoryInformation(PFCB Fcb,
- PDEVICE_EXTENSION DeviceExt,
- PFILE_DIRECTORY_INFORMATION Info,
- ULONG BufferLength)
-{
- ULONG Length;
-
- DPRINT("CdfsGetDirectoryInformation() called\n");
-
- Length = wcslen(Fcb->ObjectName) * sizeof(WCHAR);
- if ((sizeof (FILE_BOTH_DIRECTORY_INFORMATION) + Length) > BufferLength)
- return(STATUS_BUFFER_OVERFLOW);
-
- Info->FileNameLength = Length;
- Info->NextEntryOffset =
- ROUND_UP(sizeof(FILE_BOTH_DIRECTORY_INFORMATION) + Length, 4);
- memcpy(Info->FileName, Fcb->ObjectName, Length);
+ Info->CreationTime.QuadPart = FileName->CreationTime;
+ Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
+ Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
+ Info->ChangeTime.QuadPart = FileName->ChangeTime;
- /* Convert file times */
- CdfsDateTimeToFileTime(Fcb,
- &Info->CreationTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->LastAccessTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->LastWriteTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->ChangeTime);
+ /* Convert file flags */
+ NtfsFileFlagsToAttributes(FileName->FileAttributes | StdInfo->FileAttribute, &Info->FileAttributes);
- /* Convert file flags */
- CdfsFileFlagsToAttributes(Fcb,
- &Info->FileAttributes);
+ Info->EndOfFile.QuadPart = FileName->AllocatedSize;
+ Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);
- Info->EndOfFile.QuadPart = Fcb->Entry.DataLengthL;
+ Info->FileIndex = MFTIndex;
- /* Make AllocSize a rounded up multiple of the sector size */
- Info->AllocationSize.QuadPart = ROUND_UP(Fcb->Entry.DataLengthL, BLOCKSIZE);
-
-// Info->FileIndex=;
-
- return(STATUS_SUCCESS);
+ return STATUS_SUCCESS;
}
static NTSTATUS
-CdfsGetFullDirectoryInformation(PFCB Fcb,
- PDEVICE_EXTENSION DeviceExt,
- PFILE_FULL_DIRECTORY_INFORMATION Info,
- ULONG BufferLength)
+NtfsGetFullDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
+ PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_CONTEXT DataContext,
+ ULONGLONG MFTIndex,
+ PFILE_FULL_DIRECTORY_INFORMATION Info,
+ ULONG BufferLength)
{
- ULONG Length;
+ ULONG Length;
+ PFILENAME_ATTRIBUTE FileName;
+ PSTANDARD_INFORMATION StdInfo;
- DPRINT("CdfsGetFullDirectoryInformation() called\n");
+ DPRINT("NtfsGetFullDirectoryInformation() called\n");
- Length = wcslen(Fcb->ObjectName) * sizeof(WCHAR);
- if ((sizeof (FILE_BOTH_DIRECTORY_INFORMATION) + Length) > BufferLength)
- return(STATUS_BUFFER_OVERFLOW);
+ FileName = GetBestFileNameFromRecord(FileRecord);
+ ASSERT(FileName != NULL);
- Info->FileNameLength = Length;
- Info->NextEntryOffset =
- ROUND_UP(sizeof(FILE_BOTH_DIRECTORY_INFORMATION) + Length, 4);
- memcpy(Info->FileName, Fcb->ObjectName, Length);
+ StdInfo = GetStandardInformationFromRecord(FileRecord);
+ ASSERT(StdInfo != NULL);
- /* Convert file times */
- CdfsDateTimeToFileTime(Fcb,
- &Info->CreationTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->LastAccessTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->LastWriteTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->ChangeTime);
+ Length = FileName->NameLength * sizeof (WCHAR);
+ if ((sizeof(FILE_FULL_DIRECTORY_INFORMATION) + Length) > BufferLength)
+ return(STATUS_BUFFER_OVERFLOW);
- /* Convert file flags */
- CdfsFileFlagsToAttributes(Fcb,
- &Info->FileAttributes);
+ Info->FileNameLength = Length;
+ Info->NextEntryOffset =
+ ROUND_UP(sizeof(FILE_FULL_DIRECTORY_INFORMATION) + Length, sizeof(ULONG));
+ RtlCopyMemory(Info->FileName, FileName->Name, Length);
- Info->EndOfFile.QuadPart = Fcb->Entry.DataLengthL;
+ Info->CreationTime.QuadPart = FileName->CreationTime;
+ Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
+ Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
+ Info->ChangeTime.QuadPart = FileName->ChangeTime;
- /* Make AllocSize a rounded up multiple of the sector size */
- Info->AllocationSize.QuadPart = ROUND_UP(Fcb->Entry.DataLengthL, BLOCKSIZE);
+ /* Convert file flags */
+ NtfsFileFlagsToAttributes(FileName->FileAttributes | StdInfo->FileAttribute, &Info->FileAttributes);
-// Info->FileIndex=;
- Info->EaSize = 0;
+ Info->EndOfFile.QuadPart = FileName->AllocatedSize;
+ Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);
- return(STATUS_SUCCESS);
+ Info->FileIndex = MFTIndex;
+ Info->EaSize = 0;
+
+ return STATUS_SUCCESS;
}
static NTSTATUS
-CdfsGetBothDirectoryInformation(PFCB Fcb,
- PDEVICE_EXTENSION DeviceExt,
- PFILE_BOTH_DIRECTORY_INFORMATION Info,
- ULONG BufferLength)
+NtfsGetBothDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
+ PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_CONTEXT DataContext,
+ ULONGLONG MFTIndex,
+ PFILE_BOTH_DIR_INFORMATION Info,
+ ULONG BufferLength)
{
- ULONG Length;
-
- DPRINT("CdfsGetBothDirectoryInformation() called\n");
-
- Length = wcslen(Fcb->ObjectName) * sizeof(WCHAR);
- if ((sizeof (FILE_BOTH_DIRECTORY_INFORMATION) + Length) > BufferLength)
- return(STATUS_BUFFER_OVERFLOW);
-
- Info->FileNameLength = Length;
- Info->NextEntryOffset =
- ROUND_UP(sizeof(FILE_BOTH_DIRECTORY_INFORMATION) + Length, 4);
- memcpy(Info->FileName, Fcb->ObjectName, Length);
+ ULONG Length;
+ PFILENAME_ATTRIBUTE FileName, ShortFileName;
+ PSTANDARD_INFORMATION StdInfo;
- /* Convert file times */
- CdfsDateTimeToFileTime(Fcb,
- &Info->CreationTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->LastAccessTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->LastWriteTime);
- CdfsDateTimeToFileTime(Fcb,
- &Info->ChangeTime);
+ DPRINT("NtfsGetBothDirectoryInformation() called\n");
- /* Convert file flags */
- CdfsFileFlagsToAttributes(Fcb,
- &Info->FileAttributes);
+ FileName = GetBestFileNameFromRecord(FileRecord);
+ ASSERT(FileName != NULL);
+ ShortFileName = GetFileNameFromRecord(FileRecord, NTFS_FILE_NAME_DOS);
- Info->EndOfFile.QuadPart = Fcb->Entry.DataLengthL;
+ StdInfo = GetStandardInformationFromRecord(FileRecord);
+ ASSERT(StdInfo != NULL);
- /* Make AllocSize a rounded up multiple of the sector size */
- Info->AllocationSize.QuadPart = ROUND_UP(Fcb->Entry.DataLengthL, BLOCKSIZE);
+ Length = FileName->NameLength * sizeof (WCHAR);
+ if ((sizeof(FILE_BOTH_DIR_INFORMATION) + Length) > BufferLength)
+ return(STATUS_BUFFER_OVERFLOW);
-// Info->FileIndex=;
- Info->EaSize = 0;
+ Info->FileNameLength = Length;
+ Info->NextEntryOffset =
+ ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) + Length, sizeof(ULONG));
+ RtlCopyMemory(Info->FileName, FileName->Name, Length);
- if (DeviceExt->CdInfo.JolietLevel == 0)
+ if (ShortFileName)
{
- /* Standard ISO-9660 format */
- Info->ShortNameLength = Length;
- memcpy(Info->ShortName, Fcb->ObjectName, Length);
+ /* Should we upcase the filename? */
+ ASSERT(ShortFileName->NameLength <= ARRAYSIZE(Info->ShortName));
+ Info->ShortNameLength = ShortFileName->NameLength * sizeof(WCHAR);
+ RtlCopyMemory(Info->ShortName, ShortFileName->Name, Info->ShortNameLength);
}
- else
+ else
{
- /* Joliet extension */
+ Info->ShortName[0] = 0;
+ Info->ShortNameLength = 0;
+ }
- /* FIXME: Copy or create a short file name */
+ Info->CreationTime.QuadPart = FileName->CreationTime;
+ Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
+ Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
+ Info->ChangeTime.QuadPart = FileName->ChangeTime;
- Info->ShortName[0] = 0;
- Info->ShortNameLength = 0;
- }
+ /* Convert file flags */
+ NtfsFileFlagsToAttributes(FileName->FileAttributes | StdInfo->FileAttribute, &Info->FileAttributes);
- return(STATUS_SUCCESS);
+ Info->EndOfFile.QuadPart = FileName->AllocatedSize;
+ Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);
+
+ Info->FileIndex = MFTIndex;
+ Info->EaSize = 0;
+
+ return STATUS_SUCCESS;
}
-#endif
+
NTSTATUS
NtfsQueryDirectory(PNTFS_IRP_CONTEXT IrpContext)
{
- PIRP Irp;
- //PDEVICE_OBJECT DeviceObject;
- //PDEVICE_EXTENSION DeviceExtension;
- //LONG BufferLength = 0;
- PUNICODE_STRING SearchPattern = NULL;
- //FILE_INFORMATION_CLASS FileInformationClass;
- ULONG FileIndex = 0;
- PUCHAR Buffer = NULL;
- PFILE_NAMES_INFORMATION Buffer0 = NULL;
- //PNTFS_FCB Fcb;
- PNTFS_CCB Ccb;
-// FCB TempFcb;
- BOOLEAN First = FALSE;
- PIO_STACK_LOCATION Stack;
- PFILE_OBJECT FileObject;
- //NTSTATUS Status = STATUS_SUCCESS;
-
- DPRINT1("NtfsQueryDirectory() called\n");
-
- ASSERT(IrpContext);
- Irp = IrpContext->Irp;
- //DeviceObject = IrpContext->DeviceObject;
-
- //DeviceExtension = DeviceObject->DeviceExtension;
- Stack = IoGetCurrentIrpStackLocation(Irp);
- FileObject = Stack->FileObject;
-
- Ccb = (PNTFS_CCB)FileObject->FsContext2;
- //Fcb = (PNTFS_FCB)FileObject->FsContext;
-
- /* Obtain the callers parameters */
- //BufferLength = Stack->Parameters.QueryDirectory.Length;
- SearchPattern = Stack->Parameters.QueryDirectory.FileName;
- //FileInformationClass = Stack->Parameters.QueryDirectory.FileInformationClass;
- FileIndex = Stack->Parameters.QueryDirectory.FileIndex;
-
-
- if (SearchPattern != NULL)
- {
- if (!Ccb->DirectorySearchPattern)
+ PIRP Irp;
+ PDEVICE_OBJECT DeviceObject;
+ PDEVICE_EXTENSION DeviceExtension;
+ LONG BufferLength = 0;
+ PUNICODE_STRING SearchPattern = NULL;
+ FILE_INFORMATION_CLASS FileInformationClass;
+ ULONG FileIndex = 0;
+ PUCHAR Buffer = NULL;
+ PFILE_NAMES_INFORMATION Buffer0 = NULL;
+ PNTFS_FCB Fcb;
+ PNTFS_CCB Ccb;
+ BOOLEAN First = FALSE;
+ PIO_STACK_LOCATION Stack;
+ PFILE_OBJECT FileObject;
+ NTSTATUS Status = STATUS_SUCCESS;
+ PFILE_RECORD_HEADER FileRecord;
+ PNTFS_ATTR_CONTEXT DataContext;
+ ULONGLONG MFTRecord, OldMFTRecord = 0;
+ UNICODE_STRING Pattern;
+
+ DPRINT1("NtfsQueryDirectory() called\n");
+
+ ASSERT(IrpContext);
+ Irp = IrpContext->Irp;
+ DeviceObject = IrpContext->DeviceObject;
+
+ DeviceExtension = DeviceObject->DeviceExtension;
+ Stack = IoGetCurrentIrpStackLocation(Irp);
+ FileObject = Stack->FileObject;
+
+ Ccb = (PNTFS_CCB)FileObject->FsContext2;
+ Fcb = (PNTFS_FCB)FileObject->FsContext;
+
+ /* Obtain the callers parameters */
+ BufferLength = Stack->Parameters.QueryDirectory.Length;
+ SearchPattern = Stack->Parameters.QueryDirectory.FileName;
+ FileInformationClass = Stack->Parameters.QueryDirectory.FileInformationClass;
+ FileIndex = Stack->Parameters.QueryDirectory.FileIndex;
+
+ if (SearchPattern != NULL)
{
- First = TRUE;
- Ccb->DirectorySearchPattern =
- ExAllocatePoolWithTag(NonPagedPool, SearchPattern->Length + sizeof(WCHAR), TAG_NTFS);
- if (!Ccb->DirectorySearchPattern)
- {
- return(STATUS_INSUFFICIENT_RESOURCES);
- }
-
- memcpy(Ccb->DirectorySearchPattern,
- SearchPattern->Buffer,
- SearchPattern->Length);
- Ccb->DirectorySearchPattern[SearchPattern->Length / sizeof(WCHAR)] = 0;
+ if (!Ccb->DirectorySearchPattern)
+ {
+ First = TRUE;
+ Pattern.Length = 0;
+ Pattern.MaximumLength = SearchPattern->Length + sizeof(WCHAR);
+ Ccb->DirectorySearchPattern = Pattern.Buffer =
+ ExAllocatePoolWithTag(NonPagedPool, Pattern.MaximumLength, TAG_NTFS);
+ if (!Ccb->DirectorySearchPattern)
+ {
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ memcpy(Ccb->DirectorySearchPattern, SearchPattern->Buffer, SearchPattern->Length);
+ Ccb->DirectorySearchPattern[SearchPattern->Length / sizeof(WCHAR)] = 0;
+ }
}
- }
- else if (!Ccb->DirectorySearchPattern)
- {
- First = TRUE;
- Ccb->DirectorySearchPattern = ExAllocatePoolWithTag(NonPagedPool, 2 * sizeof(WCHAR), TAG_NTFS);
- if (!Ccb->DirectorySearchPattern)
+ else if (!Ccb->DirectorySearchPattern)
{
- return(STATUS_INSUFFICIENT_RESOURCES);
+ First = TRUE;
+ Ccb->DirectorySearchPattern = ExAllocatePoolWithTag(NonPagedPool, 2 * sizeof(WCHAR), TAG_NTFS);
+ if (!Ccb->DirectorySearchPattern)
+ {
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ Ccb->DirectorySearchPattern[0] = L'*';
+ Ccb->DirectorySearchPattern[1] = 0;
}
- Ccb->DirectorySearchPattern[0] = L'*';
- Ccb->DirectorySearchPattern[1] = 0;
- }
- DPRINT("Search pattern '%S'\n", Ccb->DirectorySearchPattern);
-
- /* Determine directory index */
- if (Stack->Flags & SL_INDEX_SPECIFIED)
- {
- Ccb->Entry = Ccb->CurrentByteOffset.u.LowPart;
- }
- else if (First || (Stack->Flags & SL_RESTART_SCAN))
- {
- Ccb->Entry = 0;
- }
-
- /* Determine Buffer for result */
- if (Irp->MdlAddress)
- {
- Buffer = MmGetSystemAddressForMdl(Irp->MdlAddress);
- }
- else
- {
- Buffer = Irp->UserBuffer;
- }
- DPRINT("Buffer=%p tofind=%S\n", Buffer, Ccb->DirectorySearchPattern);
-#if 0
- TempFcb.ObjectName = TempFcb.PathName;
- while (Status == STATUS_SUCCESS && BufferLength > 0)
- {
- Status = CdfsFindFile(DeviceExtension,
- &TempFcb,
- Fcb,
- Ccb->DirectorySearchPattern,
- &Ccb->Entry,
- NULL);
- DPRINT("Found %S, Status=%x, entry %x\n", TempFcb.ObjectName, Status, Ccb->Entry);
-
- if (NT_SUCCESS(Status))
- {
- switch (FileInformationClass)
- {
- case FileNameInformation:
- Status = CdfsGetNameInformation(&TempFcb,
- DeviceExtension,
- (PFILE_NAMES_INFORMATION)Buffer,
- BufferLength);
- break;
-
- case FileDirectoryInformation:
- Status = CdfsGetDirectoryInformation(&TempFcb,
- DeviceExtension,
- (PFILE_DIRECTORY_INFORMATION)Buffer,
- BufferLength);
- break;
-
- case FileFullDirectoryInformation:
- Status = CdfsGetFullDirectoryInformation(&TempFcb,
- DeviceExtension,
- (PFILE_FULL_DIRECTORY_INFORMATION)Buffer,
- BufferLength);
- break;
-
- case FileBothDirectoryInformation:
- Status = NtfsGetBothDirectoryInformation(&TempFcb,
- DeviceExtension,
- (PFILE_BOTH_DIRECTORY_INFORMATION)Buffer,
- BufferLength);
- break;
-
- default:
- Status = STATUS_INVALID_INFO_CLASS;
- }
- if (Status == STATUS_BUFFER_OVERFLOW)
- {
- if (Buffer0)
- {
- Buffer0->NextEntryOffset = 0;
- }
- break;
- }
- }
- else
- {
- if (Buffer0)
- {
- Buffer0->NextEntryOffset = 0;
- }
+ RtlInitUnicodeString(&Pattern, Ccb->DirectorySearchPattern);
+ DPRINT("Search pattern '%S'\n", Ccb->DirectorySearchPattern);
+ DPRINT("In: '%S'\n", Fcb->PathName);
- if (First)
- {
- Status = STATUS_NO_SUCH_FILE;
- }
- else
- {
- Status = STATUS_NO_MORE_FILES;
- }
- break;
- }
+ /* Determine directory index */
+ if (Stack->Flags & SL_INDEX_SPECIFIED)
+ {
+ Ccb->Entry = Ccb->CurrentByteOffset.u.LowPart;
+ }
+ else if (First || (Stack->Flags & SL_RESTART_SCAN))
+ {
+ Ccb->Entry = 0;
+ }
+
+ /* Determine Buffer for result */
+ if (Irp->MdlAddress)
+ {
+ Buffer = MmGetSystemAddressForMdl(Irp->MdlAddress);
+ }
+ else
+ {
+ Buffer = Irp->UserBuffer;
+ }
- Buffer0 = (PFILE_NAMES_INFORMATION)Buffer;
- Buffer0->FileIndex = FileIndex++;
- Ccb->Entry++;
+ DPRINT("Buffer=%p tofind=%S\n", Buffer, Ccb->DirectorySearchPattern);
- if (Stack->Flags & SL_RETURN_SINGLE_ENTRY)
- {
- break;
- }
- BufferLength -= Buffer0->NextEntryOffset;
- Buffer += Buffer0->NextEntryOffset;
+ while (Status == STATUS_SUCCESS && BufferLength > 0)
+ {
+ Status = NtfsFindFileAt(DeviceExtension,
+ &Pattern,
+ &Ccb->Entry,
+ &FileRecord,
+ &DataContext,
+ &MFTRecord,
+ Fcb->MFTIndex);
+
+ if (NT_SUCCESS(Status))
+ {
+ /* HACK: files with both a short name and a long name are present twice in the index.
+ * Ignore the second entry, if it is immediately following the first one.
+ */
+ if (MFTRecord == OldMFTRecord)
+ {
+ DPRINT("Ignoring duplicate MFT entry 0x%x\n", MFTRecord);
+ Ccb->Entry++;
+ ExFreePoolWithTag(FileRecord, TAG_NTFS);
+ continue;
+ }
+ OldMFTRecord = MFTRecord;
+
+ switch (FileInformationClass)
+ {
+ case FileNameInformation:
+ Status = NtfsGetNameInformation(DeviceExtension,
+ FileRecord,
+ DataContext,
+ (PFILE_NAMES_INFORMATION)Buffer,
+ BufferLength);
+ break;
+
+ case FileDirectoryInformation:
+ Status = NtfsGetDirectoryInformation(DeviceExtension,
+ FileRecord,
+ DataContext,
+ MFTRecord,
+ (PFILE_DIRECTORY_INFORMATION)Buffer,
+ BufferLength);
+ break;
+
+ case FileFullDirectoryInformation:
+ Status = NtfsGetFullDirectoryInformation(DeviceExtension,
+ FileRecord,
+ DataContext,
+ MFTRecord,
+ (PFILE_FULL_DIRECTORY_INFORMATION)Buffer,
+ BufferLength);
+ break;
+
+ case FileBothDirectoryInformation:
+ Status = NtfsGetBothDirectoryInformation(DeviceExtension,
+ FileRecord,
+ DataContext,
+ MFTRecord,
+ (PFILE_BOTH_DIR_INFORMATION)Buffer,
+ BufferLength);
+ break;
+
+ default:
+ Status = STATUS_INVALID_INFO_CLASS;
+ }
+
+ if (Status == STATUS_BUFFER_OVERFLOW)
+ {
+ if (Buffer0)
+ {
+ Buffer0->NextEntryOffset = 0;
+ }
+ break;
+ }
+ }
+ else
+ {
+ if (Buffer0)
+ {
+ Buffer0->NextEntryOffset = 0;
+ }
+
+ if (First)
+ {
+ Status = STATUS_NO_SUCH_FILE;
+ }
+ else
+ {
+ Status = STATUS_NO_MORE_FILES;
+ }
+ break;
+ }
+
+ Buffer0 = (PFILE_NAMES_INFORMATION)Buffer;
+ Buffer0->FileIndex = FileIndex++;
+ Ccb->Entry++;
+
+ if (Stack->Flags & SL_RETURN_SINGLE_ENTRY)
+ {
+ break;
+ }
+ BufferLength -= Buffer0->NextEntryOffset;
+ Buffer += Buffer0->NextEntryOffset;
+ ExFreePoolWithTag(FileRecord, TAG_NTFS);
}
-#endif
- if (Buffer0)
- {
- Buffer0->NextEntryOffset = 0;
- }
+ if (Buffer0)
+ {
+ Buffer0->NextEntryOffset = 0;
+ }
- if (FileIndex > 0)
- {
- //Status = STATUS_SUCCESS;
- }
+ if (FileIndex > 0)
+ {
+ Status = STATUS_SUCCESS;
+ }
-// return(Status);
- return(STATUS_NO_MORE_FILES);
+ return Status;
}
-
-NTSTATUS NTAPI
+NTSTATUS
+NTAPI
NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- PNTFS_IRP_CONTEXT IrpContext = NULL;
- NTSTATUS Status = STATUS_UNSUCCESSFUL;
+ PNTFS_IRP_CONTEXT IrpContext = NULL;
+ NTSTATUS Status = STATUS_UNSUCCESSFUL;
- DPRINT1("NtfsDirectoryControl() called\n");
+ DPRINT1("NtfsDirectoryControl() called\n");
- FsRtlEnterFileSystem();
- ASSERT(DeviceObject);
- ASSERT(Irp);
+ FsRtlEnterFileSystem();
+ ASSERT(DeviceObject);
+ ASSERT(Irp);
- NtfsIsIrpTopLevel(Irp);
+ NtfsIsIrpTopLevel(Irp);
- IrpContext = NtfsAllocateIrpContext(DeviceObject, Irp);
- if (IrpContext)
- {
- switch (IrpContext->MinorFunction)
+ IrpContext = NtfsAllocateIrpContext(DeviceObject, Irp);
+ if (IrpContext)
{
- case IRP_MN_QUERY_DIRECTORY:
- Status = NtfsQueryDirectory(IrpContext);
- break;
-
- case IRP_MN_NOTIFY_CHANGE_DIRECTORY:
- DPRINT1("IRP_MN_NOTIFY_CHANGE_DIRECTORY\n");
- Status = STATUS_NOT_IMPLEMENTED;
- break;
-
- default:
- Status = STATUS_INVALID_DEVICE_REQUEST;
- break;
+ switch (IrpContext->MinorFunction)
+ {
+ case IRP_MN_QUERY_DIRECTORY:
+ Status = NtfsQueryDirectory(IrpContext);
+ break;
+
+ case IRP_MN_NOTIFY_CHANGE_DIRECTORY:
+ DPRINT1("IRP_MN_NOTIFY_CHANGE_DIRECTORY\n");
+ Status = STATUS_NOT_IMPLEMENTED;
+ break;
+
+ default:
+ Status = STATUS_INVALID_DEVICE_REQUEST;
+ break;
+ }
}
- }
- else
- Status = STATUS_INSUFFICIENT_RESOURCES;
-
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = 0;
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
-
- if (IrpContext)
- ExFreePoolWithTag(IrpContext, 'PRIN');
-
- IoSetTopLevelIrp(NULL);
- FsRtlExitFileSystem();
- return Status;
+ else
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ if (IrpContext)
+ ExFreePoolWithTag(IrpContext, 'PRIN');
+
+ IoSetTopLevelIrp(NULL);
+ FsRtlExitFileSystem();
+ return Status;
}
/* EOF */