create.c File Reference

#include "fatprocs.h"

Include dependency graph for create.c:

Go to the source code of this file.

Macros
#define	BugCheckFileId   (FAT_BUG_CHECK_CREATE)
#define	Dbg   (DEBUG_TRACE_CREATE)
#define	CollectCreateHitStatistics(VCB)
#define	CollectCreateStatistics(VCB, STATUS)

Functions
	_Requires_lock_held_ (_Global_critical_region_)
	_Success_ (return.Status==STATUS_SUCCESS) _Requires_lock_held_(_Global_critical_region_) IO_STATUS_BLOCK FatOpenExistingDirectory(_In_ PIRP_CONTEXT IrpContext
	UNREFERENCED_PARAMETER (DeleteOnClose)
	UNREFERENCED_PARAMETER (OpenRequiringOplock)
	UNREFERENCED_PARAMETER (IrpSp)
	PAGED_CODE ()
	DebugTrace (+1, Dbg, "FatOpenExistingDirectory...\n", 0)
	if (OpenRequiringOplock &&(Iosb.Status==STATUS_SUCCESS))
	if (Iosb.Status !=STATUS_SUCCESS)
IoSetShareAccess *	DesiredAccess (*Dcb) ->ShareAccess
	FatSetFileObject (FileObject, UserDirectoryOpen,(*Dcb), UnwindCcb=FatCreateCcb(IrpContext))
	if (IsFileObjectReadOnly(FileObject))
	if (NT_SUCCESS(Iosb.Status))
	if (_SEH2_AbnormalTermination())
	DebugTrace (-1, Dbg, "FatOpenExistingDirectory -> Iosb.Status = %08lx\n", Iosb.Status)
VOID	FatSetFullNameInFcb (_In_ PIRP_CONTEXT IrpContext, _Inout_ PFCB Fcb, _In_ PUNICODE_STRING FinalName)
NTSTATUS	FatCheckSystemSecurityAccess (_In_ PIRP_CONTEXT IrpContext)
NTSTATUS	FatCheckShareAccess (_In_ PIRP_CONTEXT IrpContext, _In_ PFILE_OBJECT FileObject, _In_ PFCB FcbOrDcb, _In_ PACCESS_MASK DesiredAccess, _In_ ULONG ShareAccess)
NTSTATUS	FatCallSelfCompletionRoutine (__in PDEVICE_OBJECT DeviceObject, __in PIRP Irp, __in PVOID Contxt)

Variables
LUID	FatSecurityPrivilege = { SE_SECURITY_PRIVILEGE, 0 }
_In_ PIO_STACK_LOCATION	IrpSp
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT	FileObject
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB	Vcb
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB *	Dcb
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB	ParentDcb
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT	Dirent
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG	LfnByteOffset
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG	DirentByteOffset
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING	Lfn
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK	DesiredAccess
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT	ShareAccess
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG	CreateDisposition
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN	NoEaKnowledge
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN _In_ BOOLEAN	DeleteOnClose
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN _In_ BOOLEAN _In_ BOOLEAN	FileNameOpenedDos
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN _In_ BOOLEAN _In_ BOOLEAN _In_ BOOLEAN	OpenRequiringOplock
PDCB	UnwindDcb = NULL
PCCB	UnwindCcb = NULL
BOOLEAN	CountsIncremented = FALSE
	_SEH2_TRY
Iosb	Status
Dcb	UncleanCount = 1
Dcb	OpenCount = 1
Vcb	OpenFileCount = 1
Iosb	Information = FILE_OPENED
try_exit	__pad0__
	_SEH2_FINALLY
	_SEH2_END
return	Iosb

Macro Definition Documentation

BugCheckFileId

#define BugCheckFileId   (FAT_BUG_CHECK_CREATE)

Definition at line 23 of file create.c.

CollectCreateHitStatistics

#define CollectCreateHitStatistics

(

VCB

)

Value:

    {                                                \
    PFILE_SYSTEM_STATISTICS Stats = &(VCB)->Statistics[KeGetCurrentProcessorNumber() % FatData.NumberProcessors];   \
    Stats->Fat.CreateHits += 1;                                                          \
}

Definition at line 36 of file create.c.

CollectCreateStatistics

#define CollectCreateStatistics	(		VCB,
			STATUS
	)

Value:

    {                                            \
    PFILE_SYSTEM_STATISTICS Stats = &(VCB)->Statistics[KeGetCurrentProcessorNumber() % FatData.NumberProcessors];   \
    if ((STATUS) == STATUS_SUCCESS) {                                                    \
        Stats->Fat.SuccessfulCreates += 1;                                               \
    } else {                                                                             \
        Stats->Fat.FailedCreates += 1;                                                   \
    }                                                                                    \
}

Definition at line 41 of file create.c.

Dbg

#define Dbg   (DEBUG_TRACE_CREATE)

Definition at line 29 of file create.c.

Function Documentation

_Requires_lock_held_()

_Requires_lock_held_

(

_Global_critical_region_

)

Definition at line 56 of file create.c.

{
    NTSTATUS Status;
    PIRP_CONTEXT IrpContext = NULL;
 
    BOOLEAN TopLevel;
    BOOLEAN ExceptionCompletedIrp = FALSE;
 
 
    PAGED_CODE();
 
    //
    //  If we were called with our file system device object instead of a
    //  volume device object, just complete this request with STATUS_SUCCESS
    //
 
    if ( FatDeviceIsFatFsdo( VolumeDeviceObject))  {
 
        Irp->IoStatus.Status = STATUS_SUCCESS;
        Irp->IoStatus.Information = FILE_OPENED;
 
        IoCompleteRequest( Irp, IO_DISK_INCREMENT );
 
        return STATUS_SUCCESS;
    }
 
    TimerStart(Dbg);
 
    DebugTrace(+1, Dbg, "FatFsdCreate\n", 0);
 
    //
    //  Call the common create routine, with block allowed if the operation
    //  is synchronous.
    //
 
    FsRtlEnterFileSystem();
 
    TopLevel = FatIsIrpTopLevel( Irp );
 
    _SEH2_TRY {
 
        IrpContext = FatCreateIrpContext( Irp, TRUE );
 
#if (NTDDI_VERSION >= NTDDI_WINTHRESHOLD)
        Status = FatCommonCreateOnNewStack( IrpContext, Irp );
#else
        Status = FatCommonCreate( IrpContext, Irp );
#endif
 
    } _SEH2_EXCEPT(FatExceptionFilter( IrpContext, _SEH2_GetExceptionInformation() )) {
 
        //
        //  We had some trouble trying to perform the requested
        //  operation, so we'll abort the I/O request with
        //  the error status that we get back from the
        //  execption code
        //
 
        Status = FatProcessException( IrpContext, Irp, _SEH2_GetExceptionCode() );
        ExceptionCompletedIrp = TRUE;
    } _SEH2_END;
 
    if (TopLevel) { IoSetTopLevelIrp( NULL ); }
 
    FsRtlExitFileSystem();
 
 
    //
    //  Complete the request, unless we had an exception, in which case it
    //  was completed in FatProcessException (and the IrpContext freed).
    //
    //  IrpContext is freed inside FatCompleteRequest.
    //
 
    if (!ExceptionCompletedIrp && Status != STATUS_PENDING) {
        FatCompleteRequest( IrpContext, Irp, Status );
    }
 
    //
    //  And return to our caller
    //
 
    DebugTrace(-1, Dbg, "FatFsdCreate -> %08lx\n", Status );
 
    TimerStop(Dbg,"FatFsdCreate");
 
    UNREFERENCED_PARAMETER( VolumeDeviceObject );
 
    return Status;
}

_Success_()

_Success_

(

return.

Status = = STATUS_SUCCESS

)

DebugTrace() [1/2]

DebugTrace	(	+	1,
		Dbg	,
		"FatOpenExistingDirectory...\n"	,
		0
	)

DebugTrace() [2/2]

DebugTrace	(	-	1,
		Dbg
	)

DesiredAccess()

IoSetShareAccess * DesiredAccess

(

*

Dcb

)

-> ShareAccess

FatCallSelfCompletionRoutine()

NTSTATUS FatCallSelfCompletionRoutine	(	__in PDEVICE_OBJECT	DeviceObject,
		__in PIRP	Irp,
		__in PVOID	Contxt
	)

Definition at line 6938 of file create.c.

{
    //
    //  Set the event so that our call will wake up.
    //
 
    KeSetEvent( (PKEVENT)Contxt, 0, FALSE );
 
    UNREFERENCED_PARAMETER( DeviceObject );
    UNREFERENCED_PARAMETER( Irp );
 
    //
    //  If we change this return value then FatIoCallSelf needs to reference the
    //  file object.
    //
 
    return STATUS_MORE_PROCESSING_REQUIRED;
}

FatCheckShareAccess()

NTSTATUS FatCheckShareAccess	(	_In_ PIRP_CONTEXT	IrpContext,
		_In_ PFILE_OBJECT	FileObject,
		_In_ PFCB	FcbOrDcb,
		_In_ PACCESS_MASK	DesiredAccess,
		_In_ ULONG	ShareAccess
	)

Definition at line 6870 of file create.c.

{
    PAGED_CODE();
 
#if (NTDDI_VERSION >= NTDDI_VISTA)
    //
    //  Do an extra test for writeable user sections if the user did not allow
    //  write sharing - this is neccessary since a section may exist with no handles
    //  open to the file its based against.
    //
 
    if ((NodeType( FcbOrDcb ) == FAT_NTC_FCB) &&
        !FlagOn( ShareAccess, FILE_SHARE_WRITE ) &&
        FlagOn( *DesiredAccess, FILE_EXECUTE | FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA | DELETE | MAXIMUM_ALLOWED ) &&
        MmDoesFileHaveUserWritableReferences( &FcbOrDcb->NonPaged->SectionObjectPointers )) {
 
        return STATUS_SHARING_VIOLATION;
    }
#endif
 
    //
    //  Check if the Fcb has the proper share access.
    //
 
    return IoCheckShareAccess( *DesiredAccess,
                               ShareAccess,
                               FileObject,
                               &FcbOrDcb->ShareAccess,
                               FALSE );
 
    UNREFERENCED_PARAMETER( IrpContext );
}

FatCheckSystemSecurityAccess()

NTSTATUS FatCheckSystemSecurityAccess

(

_In_ PIRP_CONTEXT

IrpContext

)

Definition at line 6828 of file create.c.

{
    PACCESS_STATE AccessState;
    PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation( IrpContext->OriginatingIrp );
 
    PAGED_CODE();
 
    //
    //  We check if the caller wants ACCESS_SYSTEM_SECURITY access on this
    //  object and fail the request if he does.
    //
 
    NT_ASSERT( IrpSp->Parameters.Create.SecurityContext != NULL );
    AccessState = IrpSp->Parameters.Create.SecurityContext->AccessState;
 
    //
    //  Check if the remaining privilege includes ACCESS_SYSTEM_SECURITY.
    //
 
    if (FlagOn( AccessState->RemainingDesiredAccess, ACCESS_SYSTEM_SECURITY )) {
 
        if (!SeSinglePrivilegeCheck( FatSecurityPrivilege,
                                     UserMode )) {
 
            return STATUS_ACCESS_DENIED;
        }
 
        //
        //  Move this privilege from the Remaining access to Granted access.
        //
 
        ClearFlag( AccessState->RemainingDesiredAccess, ACCESS_SYSTEM_SECURITY );
        SetFlag( AccessState->PreviouslyGrantedAccess, ACCESS_SYSTEM_SECURITY );
    }
 
    return STATUS_SUCCESS;
}

FatSetFileObject()

FatSetFileObject	(	FileObject	,
		UserDirectoryOpen	,
		*	Dcb,
		UnwindCcb	= FatCreateCcb(IrpContext)
	)

Referenced by _Requires_lock_held_(), and FatOpenEaFile().

FatSetFullNameInFcb()

VOID FatSetFullNameInFcb	(	_In_ PIRP_CONTEXT	IrpContext,
		_Inout_ PFCB	Fcb,
		_In_ PUNICODE_STRING	FinalName
	)

Definition at line 6718 of file create.c.

{
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER( IrpContext );
 
    NT_ASSERT( Fcb->FullFileName.Buffer == NULL );
 
    //
    //  Prefer the ExactCaseLongName of the file for this operation, if set.  In
    //  this way we avoid building the fullname with a short filename.  Several
    //  operations assume this - the FinalNameLength in particular is the Lfn
    //  (if existant) length, and we use this to crack the fullname in paths
    //  such as the FsRtlNotify caller.
    //
    //  If the caller specified a particular name and it is short, it is the
    //  case that the long name was set up.
    //
 
    if (Fcb->ExactCaseLongName.Buffer) {
 
        NT_ASSERT( Fcb->ExactCaseLongName.Length != 0 );
        FinalName = &Fcb->ExactCaseLongName;
    }
 
    //
    //  Special case the root.
    //
 
    if (NodeType(Fcb->ParentDcb) == FAT_NTC_ROOT_DCB) {
 
        Fcb->FullFileName.Length =
        Fcb->FullFileName.MaximumLength = sizeof(WCHAR) + FinalName->Length;
 
        Fcb->FullFileName.Buffer = FsRtlAllocatePoolWithTag( PagedPool,
                                                             Fcb->FullFileName.Length,
                                                             TAG_FILENAME_BUFFER );
 
        Fcb->FullFileName.Buffer[0] = L'\\';
 
        RtlCopyMemory( &Fcb->FullFileName.Buffer[1],
                       &FinalName->Buffer[0],
                       FinalName->Length );
 
    } else {
 
        PUNICODE_STRING Prefix;
 
        Prefix = &Fcb->ParentDcb->FullFileName;
 
        //
        //  It is possible our parent's full filename is not set.  Simply fail
        //  this attempt.
        //
 
        if (Prefix->Buffer == NULL) {
 
            return;
        }
 
        Fcb->FullFileName.Length =
        Fcb->FullFileName.MaximumLength = Prefix->Length + sizeof(WCHAR) + FinalName->Length;
 
        Fcb->FullFileName.Buffer = FsRtlAllocatePoolWithTag( PagedPool,
                                                             Fcb->FullFileName.Length,
                                                             TAG_FILENAME_BUFFER );
 
        RtlCopyMemory( &Fcb->FullFileName.Buffer[0],
                       &Prefix->Buffer[0],
                       Prefix->Length );
 
        Fcb->FullFileName.Buffer[Prefix->Length / sizeof(WCHAR)] = L'\\';
 
        RtlCopyMemory( &Fcb->FullFileName.Buffer[(Prefix->Length / sizeof(WCHAR)) + 1],
                       &FinalName->Buffer[0],
                       FinalName->Length );
 
    }
}

Referenced by FatSetRenameInfo().

if() [1/5]

if

(

_SEH2_AbnormalTermination()

)

Definition at line 4379 of file create.c.

                                         {
 
            if (CountsIncremented) {
 
                (*Dcb)->UncleanCount -= 1;
                (*Dcb)->OpenCount -= 1;
                Vcb->OpenFileCount -= 1;
                if (IsFileObjectReadOnly(FileObject)) { Vcb->ReadOnlyCount -= 1; }
            }
 
            if (UnwindDcb != NULL) {
                if (ARGUMENT_PRESENT( FileObject )) {
                    FileObject->SectionObjectPointer = NULL;
                }
                FatDeleteFcb( IrpContext, &UnwindDcb );
                *Dcb = NULL;
            }
            if (UnwindCcb != NULL) { FatDeleteCcb( IrpContext, &UnwindCcb ); }
        }

if() [2/5]

if

(

Iosb.Status !

= STATUS_SUCCESS

)

Definition at line 4313 of file create.c.

                                           {
 
            NT_ASSERT( Iosb.Status != STATUS_PENDING );
 
            FatRaiseStatus( IrpContext, Iosb.Status );
        }

if() [3/5]

if

(

IsFileObjectReadOnly(FileObject)

)

Definition at line 4343 of file create.c.

{ Vcb->ReadOnlyCount += 1; }

if() [4/5]

if

(

NT_SUCCESS(Iosb.Status)

)

Definition at line 4355 of file create.c.

                                       {
            PCCB Ccb;
 
            Ccb = (PCCB)FileObject->FsContext2;
 
            //
            //  Mark the OpenedByShortName bit if the operation was successful.
            //
 
            if ( FileNameOpenedDos ) {
 
                SetFlag( Ccb->Flags, CCB_FLAG_OPENED_BY_SHORTNAME );
            }
        }

if() [5/5]

if

(

OpenRequiringOplock &&

Iosb.Status==STATUS_SUCCESS

)

Definition at line 4300 of file create.c.

                                             {
 
            Iosb.Status = FsRtlOplockFsctrl( FatGetFcbOplock(*Dcb),
                                             IrpContext->OriginatingIrp,
                                             ((*Dcb)->UncleanCount + 1) );
        }

PAGED_CODE()

PAGED_CODE

(

)

UNREFERENCED_PARAMETER() [1/3]

UNREFERENCED_PARAMETER

(

DeleteOnClose

)

UNREFERENCED_PARAMETER() [2/3]

UNREFERENCED_PARAMETER

(

IrpSp

)

UNREFERENCED_PARAMETER() [3/3]

UNREFERENCED_PARAMETER

(

OpenRequiringOplock

)

Variable Documentation

__pad0__

try_exit __pad0__

Definition at line 4370 of file create.c.

_SEH2_END

_SEH2_END

Definition at line 4400 of file create.c.

_SEH2_FINALLY

_SEH2_FINALLY

Initial value:

{
 
        DebugUnwind( FatOpenExistingDirectory )

Definition at line 4371 of file create.c.

_SEH2_TRY

_SEH2_TRY

Definition at line 4226 of file create.c.

CountsIncremented

CountsIncremented = FALSE

Definition at line 4214 of file create.c.

Referenced by if().

CreateDisposition

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG CreateDisposition

Definition at line 4148 of file create.c.

Dcb

IN PDCB Dcb

Definition at line 4140 of file create.c.

Referenced by Ext2AddEntry(), Ext2BuildEntry(), Ext2DeleteFile(), Ext2ProcessEntry(), Ext2RemoveEntry(), Ext2SetFileType(), Ext2SetParentEntry(), FatCreateDcb(), FatPinMappedData(), if(), NpCheckForNotify(), NpCreateFcb(), NpCreateNewNamedPipe(), NpCreateRootDcb(), NpDeleteFcb(), NpFindRelativePrefix(), NpFsdCreate(), and NpOpenNamedPipeRootDirectory().

DeleteOnClose

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN _In_ BOOLEAN DeleteOnClose

Definition at line 4150 of file create.c.

Referenced by Ext2CreateFile().

DesiredAccess

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK DesiredAccess

Definition at line 4146 of file create.c.

Dirent

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT Dirent

Definition at line 4142 of file create.c.

DirentByteOffset

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG DirentByteOffset

Definition at line 4144 of file create.c.

Referenced by _Requires_lock_held_().

FatSecurityPrivilege

LUID FatSecurityPrivilege = { SE_SECURITY_PRIVILEGE, 0 }

Definition at line 50 of file create.c.

Referenced by FatCheckSystemSecurityAccess().

FileNameOpenedDos

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN _In_ BOOLEAN _In_ BOOLEAN FileNameOpenedDos

Definition at line 4151 of file create.c.

Referenced by if().

FileObject

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT FileObject

Definition at line 4138 of file create.c.

Information

Iosb Information = FILE_OPENED

Definition at line 4353 of file create.c.

Iosb

_Must_inspect_result_ _Out_ PIO_STATUS_BLOCK Iosb

Definition at line 4402 of file create.c.

Referenced by _In_reads_(), _Requires_lock_held_(), _Success_(), AddDiskToList(), addIPAddress(), AddVolumeToList(), CcRosDeleteFileCache(), CcRosFlushDirtyPages(), CcRosFlushVacb(), CcZeroData(), CdPerformDevIoCtrl(), CdPerformDevIoCtrlEx(), CdProcessToc(), CdVerifyVcb(), ClassPnp(), ConnectNamedPipe(), CreateMailslotW(), CreateNamedPipeW(), CreatePartitionList(), deleteIpAddress(), DeviceIoControl(), DisconnectNamedPipe(), DumpDisk(), DumpPartition(), EngpFileIoRequest(), ExeFmtpReadFile(), Ext2OpenDevice(), Ext2OverwriteEa(), FatFlushDirentForFile(), FatFlushFat(), FatFlushFatEntries(), FatIsMediaWriteProtected(), FatPerformDevIoCtrl(), FatPerformVerifyDiskRead(), FatScanForDataTrack(), FatUnpinRepinnedBcbs(), GetMailslotInfo(), if(), IntGdiAddFontResourceEx(), IntLoadSystemFonts(), KdbpCliInit(), KdpDebugLogInit(), KdpLoggerThread(), LdrpCheckForLoadedDll(), LoadSymbolsRoutine(), main(), MiReadPageFile(), MmFlushSegment(), MmMakeSegmentResident(), MmWriteToSwapPage(), OpenInputDevice(), PeekNamedPipe(), ReadFile(), SetMailslotInfo(), SetNamedPipeHandleState(), TdiAssociateAddressFile(), TdiCall(), TdiDisassociateAddressFile(), tdiGetSetOfThings(), TdiOpenDevice(), TdiQueryDeviceControl(), TdiQueryInformation(), TdiReceiveDatagram(), TdiSendDatagram(), TdiSetEventHandler(), TransactNamedPipe(), UDFMountVolume(), UDFPhSendIOCTL(), UDFTSendIOCTL(), UDFVerifyVcb(), UDFVerifyVolume(), VfatFormat(), VfatxFormat(), WriteFile(), and WritePartitions().

IrpSp

_In_ PIO_STACK_LOCATION IrpSp

Definition at line 4137 of file create.c.

Referenced by __attribute__(), _Dispatch_type_(), _Function_class_(), _Requires_lock_held_(), _Success_(), add_device(), add_thread_job(), AfdAccept(), AfdBindSocket(), AfdCancelHandler(), AfdCleanupSocket(), AfdCloseSocket(), AfdConnectedSocketReadData(), AfdConnectedSocketWriteData(), AfdCreateSocket(), AfdDisconnect(), AfdDispatch(), AfdEnumEvents(), AfdEventSelect(), AfdGetConnectData(), AfdGetConnectOptions(), AfdGetContext(), AfdGetContextSize(), AfdGetDisconnectData(), AfdGetDisconnectOptions(), AfdGetInfo(), AfdGetPeerName(), AfdGetSockName(), AfdGetTdiHandles(), AfdListenSocket(), AfdPacketSocketReadData(), AfdPacketSocketWriteData(), AfdQueryVolumeInformation(), AfdSelect(), AfdSetConnectData(), AfdSetConnectDataSize(), AfdSetConnectOptions(), AfdSetConnectOptionsSize(), AfdSetContext(), AfdSetDisconnectData(), AfdSetDisconnectDataSize(), AfdSetDisconnectOptions(), AfdSetDisconnectOptionsSize(), AfdSetInfo(), AfdStreamSocketConnect(), AfdWaitForListen(), BatteryClassIoctl(), Bus_PDO_EvalMethod(), Bus_PDO_QueryInterface(), bus_pnp(), bus_query_capabilities(), CdAddToWorkque(), CdAllowExtendedDasdIo(), CdCommonDevControl(), CdCommonLockControl(), CdCreateIrpContext(), CdFspDispatch(), CdInitializeEnumeration(), CdIsVolumeDirty(), CdIsVolumeMounted(), CdMultipleXAAsync(), CdOperationIsDasdOpen(), CdVerifyFcbOperation(), CdVerifyVcb(), CheckUnlockExtraBuffers(), ClassPnp(), clean_space_cache(), CleanupPendingIrp(), control_ioctl(), create_stream(), delete_reparse_point(), dev_ioctl(), DispCancelListenRequest(), DispCancelRequest(), DispEchoRequest(), DispPrepareIrpForCancel(), DispTdiAssociateAddress(), DispTdiConnect(), DispTdiDisassociateAddress(), DispTdiDisconnect(), DispTdiListen(), DispTdiQueryInformation(), DispTdiQueryInformationEx(), DispTdiQueryIpHwAddress(), DispTdiReceive(), DispTdiReceiveDatagram(), DispTdiSend(), DispTdiSendDatagram(), DispTdiSetEventHandler(), DispTdiSetInformationEx(), do_read(), do_read_job(), Ext2AllowExtendedDasdIo(), Ext2Create(), Ext2CreateFile(), Ext2CreateVolume(), Ext2DeviceControlNormal(), Ext2ExceptionHandler(), Ext2Flush(), Ext2GetReparsePoint(), Ext2GetRetrievalPointerBase(), Ext2GetRetrievalPointers(), Ext2InvalidateVolumes(), Ext2IsVolumeDirty(), Ext2LockIrp(), Ext2LockVolume(), Ext2NotifyChangeDirectory(), Ext2OplockRequest(), Ext2OverwriteEa(), Ext2QueryEa(), Ext2QueryRetrievalPointers(), Ext2ReadWriteBlocks(), Ext2SetDispositionInfo(), Ext2SetEa(), Ext2SetLinkInfo(), Ext2SetRenameInfo(), Ext2SetReparsePoint(), Ext2UnlockVolume(), Ext2VerifyVcb(), Ext2WriteComplete(), FatAddToWorkque(), FatAllowExtendedDasdIo(), FatCheckSystemSecurityAccess(), FatCommonQueryEa(), FatCommonSetEa(), FatCompleteMdl(), FatCreateIrpContext(), FatFspDispatch(), FatGetStatistics(), FatIsVolumeDirty(), FatIsVolumeMounted(), FatMultipleAsync(), FatPagingFileIo(), FatPrePostIrp(), FatQueryBpb(), FatSetRenameInfo(), FatSetZeroOnDeallocate(), FatSingleAsync(), FatSingleNonAlignedSync(), FatSwapVpb(), FatUnlockVolume(), FatUnpinRepinnedBcbs(), FatVerifyOperationIsLegal(), FatVerifyVcb(), FdcFdoPnp(), FdcPdoPnp(), FdcPdoQueryCapabilities(), FdcPdoQueryId(), FdcPower(), FdoPnpControl(), FdoQueryBusRelations(), file_create(), file_create2(), flush_disk_caches(), fsctl_oplock(), fsctl_request(), get_compression(), GetLockedData(), InPortInternalDeviceControl(), InPortPnp(), InPortStartDevice(), IntVideoPortChildQueryCapabilities(), IntVideoPortChildQueryId(), IntVideoPortChildQueryRelations(), IntVideoPortChildQueryText(), IntVideoPortDispatchFdoPnp(), IntVideoPortDispatchPdoPnp(), IntVideoPortDispatchPower(), invalidate_volumes(), IopInitiatePnpIrp(), is_volume_dirty(), IsaFdoPnp(), IsaFdoQueryInterface(), IsaPdoFilterResourceRequirements(), IsaPdoPnp(), IsaPdoQueryCapabilities(), IsaPdoQueryDeviceRelations(), IsaPdoQueryDeviceText(), IsaPdoQueryDeviceUsageNotification(), IsaPdoQueryId(), IsaPdoQueryResourceRequirements(), IsaPdoQueryResources(), IsaReadPortQueryId(), LanAdapterInfo(), LanCloseProtocol(), LanCreateProtocol(), LanDispatch(), LanEnumAdapters(), LanReadData(), LanSetBufferedMode(), LanWriteData(), lock_volume(), LockRequest(), MiSimpleRead(), mount_vol(), mountdev_query_stable_guid(), NdisGenericIrpHandler(), NduDispatchClose(), NduDispatchCreate(), NduDispatchDeviceControl(), NduDispatchRead(), NduDispatchWrite(), nfs41_FsdDispatch(), notify_change_directory(), open_file(), open_file2(), open_file3(), OpenDeviceReadWrite(), oplock_complete(), PciDispatchDeviceControl(), PcmciaDeviceControl(), PcmciaPower(), pdo_device_usage_notification(), pdo_pnp(), pdo_query_device_relations(), pdo_query_id(), PdoPnpControl(), PdoPowerControl(), PdoQueryBusInformation(), PdoQueryCapabilities(), PdoQueryDeviceRelations(), PdoQueryDeviceText(), PdoQueryId(), PdoQueryInterface(), PdoQueryResourceRequirements(), PdoQueryResources(), PdoReadConfig(), PdoStartDevice(), PdoWriteConfig(), pnp_device_usage_notification(), PnpRootFdoPnpControl(), PnpRootPdoPnpControl(), PnpRootPowerControl(), PopSendQuerySystemPowerState(), PopSendSetSystemPowerState(), print_debug_header(), ProcessorPnp(), query_dir_item(), query_directory(), query_info(), QueryAdapterOid(), QueryBinding(), read_data(), ReadIrpCancel(), RxGetSessionId(), SatisfyPacketRecvRequest(), scrub_chunk_raid56_stripe_run(), scrub_extent(), set_case_sensitive_information(), set_compression(), set_reparse_point(), set_valid_data_length_information(), SetAdapterOid(), sync_read_phys(), TCPAcceptEventHandler(), TiCloseFileObject(), TiCreateFileObject(), TiDispatch(), TiDispatchInternal(), TiDispatchOpenClose(), UDFAllocateIrpContext(), UDFCommonCleanup(), UDFCommonClose(), UDFCommonCreate(), UDFCommonDeviceControl(), UDFCommonDirControl(), UDFCommonFileInfo(), UDFCommonFlush(), UDFCommonFSControl(), UDFCommonLockControl(), UDFCommonPnp(), UDFCommonQueryVolInfo(), UDFCommonRead(), UDFCommonSetVolInfo(), UDFCommonShutdown(), UDFCommonWrite(), UDFDismountVolume(), UDFGetFileAllocModeFromICB(), UDFGetRetrievalPointers(), UDFGetStatistics(), UDFGetVolumeBitmap(), UDFInvalidateVolumes(), UDFIsPathnameValid(), UDFIsVolumeDirty(), UDFIsVolumeMounted(), UDFLockVolume(), UDFMdlComplete(), UDFMountVolume(), UDFNotifyChangeDirectory(), UDFPerformVerify(), UDFQueryDirectory(), UDFSetFileAllocModeFromICB(), UDFUnlockVolume(), UDFUserFsCtrlRequest(), UDFVerifyVolume(), unlock_volume(), UnlockRequest(), vol_device_control(), vol_get_device_number(), vol_get_disk_extents(), vol_get_drive_geometry(), vol_get_gpt_attributes(), vol_get_length(), vol_ioctl_passthrough(), vol_is_dynamic(), vol_query_device_name(), vol_query_stable_guid(), vol_query_unique_id(), vol_read(), vol_write(), write_data_phys(), and write_superblock().

Lfn

IN PFCB IN OUT PUNICODE_STRING Lfn

Definition at line 4145 of file create.c.

Referenced by _Requires_lock_held_(), FatConstructDirent(), FatConstructNamesInFcb(), FatCreateDcb(), and FatCreateFcb().

LfnByteOffset

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG LfnByteOffset

Definition at line 4143 of file create.c.

NoEaKnowledge

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN NoEaKnowledge

Definition at line 4149 of file create.c.

Referenced by Ext2CreateFile().

OpenCount

Dcb OpenCount = 1

Definition at line 4341 of file create.c.

OpenFileCount

Vcb OpenFileCount = 1

Definition at line 4342 of file create.c.

OpenRequiringOplock

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK _In_ USHORT _In_ ULONG _In_ BOOLEAN _In_ BOOLEAN _In_ BOOLEAN _In_ BOOLEAN OpenRequiringOplock

Initial value:

{
    IO_STATUS_BLOCK Iosb = {0}

Definition at line 4152 of file create.c.

ParentDcb

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB ParentDcb

Definition at line 4141 of file create.c.

Referenced by Ext2DeleteReparsePoint(), Ext2SetLinkInfo(), Ext2SetRenameInfo(), Ext2SetReparsePoint(), FatCreateDcb(), and FatCreateFcb().

ShareAccess

_In_ ACCESS_MASK _In_ POBJECT_ATTRIBUTES _Out_ PIO_STATUS_BLOCK _In_ ULONG ShareAccess

Definition at line 4147 of file create.c.

Referenced by _Requires_lock_held_(), BasepOpenFileForMove(), CreateNamedPipeW(), Ext2CreateFile(), Ext2CreateVolume(), FatCheckShareAccess(), IoCheckShareAccess(), IoCreateFile(), IoCreateFileSpecifyDeviceObjectHint(), IopCreateFile(), IoRemoveShareAccess(), IoSetShareAccess(), IoUpdateShareAccess(), main(), NpCreateExistingNamedPipe(), NpCreateNewNamedPipe(), NpCreatePipe(), NpCreatePipeEx(), NpFsdCreateNamedPipe(), NpOpenPipe(), NpOpenPipeEx(), NtCreateFile(), NtCreateNamedPipeFile(), NtOpenFile(), OpenMupFileSystem(), RawCreate(), RxCheckShareAccessPerSrvOpens(), RxCollapseOrCreateSrvOpen(), RxRemoveShareAccessPerSrvOpens(), RxSearchForCollapsibleOpen(), RxUpdateShareAccessPerSrvOpens(), TdiOpenDevice(), UDFCheckAccessRights(), UDFCommonCreate(), and UDFSetAccessRights().

Status

Iosb Status

Initial value:

= FsRtlCheckOplockEx( FatGetFcbOplock(*Dcb),
                                          IrpContext->OriginatingIrp,
                                          OPLOCK_FLAG_OPLOCK_KEY_CHECK_ONLY,
                                          NULL,
                                          NULL,
                                          NULL )

Definition at line 4287 of file create.c.

UncleanCount

Dcb UncleanCount = 1

Definition at line 4340 of file create.c.

UnwindCcb

PCCB UnwindCcb = NULL

Definition at line 4212 of file create.c.

Referenced by if().

UnwindDcb

PDCB UnwindDcb = NULL

Definition at line 4211 of file create.c.

Referenced by if().

Vcb

_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB Vcb

Definition at line 4139 of file create.c.