VOID
PrimarySessionThreadProc (
IN PPRIMARY_SESSION PrimarySession
)
{
BOOLEAN primarySessionTerminate = FALSE;
NTSTATUS status;
_U16 slotIndex;
PLIST_ENTRY primarySessionRequestEntry;
ASSERT( SESSION_SLOT_COUNT == 1 );
ASSERT( KeGetCurrentIrql() == PASSIVE_LEVEL );
DebugTrace2( 0, Dbg2, ("PrimarySessionThreadProc: Start PrimarySession = %p\n", PrimarySession) );
PrimarySession_Reference( PrimarySession );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_INITIALIZING );
InitializeListHead( &PrimarySession->Thread.OpenedFileQueue );
KeInitializeSpinLock( &PrimarySession->Thread.OpenedFileQSpinLock );
KeInitializeEvent( &PrimarySession->Thread.WorkCompletionEvent, NotificationEvent, FALSE );
PrimarySession->SessionContext.SessionSlotCount = SESSION_SLOT_COUNT;
for (slotIndex = 0; slotIndex < PrimarySession->SessionContext.SessionSlotCount; slotIndex ++) {
PrimarySession->Thread.SessionSlot[slotIndex].State = SLOT_WAIT;
PrimarySession->Thread.IdleSlotCount ++;
}
ClearFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_INITIALIZING );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_START );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_CONNECTED );
KeSetEvent( &PrimarySession->ReadyEvent, IO_DISK_INCREMENT, FALSE );
status = LpxTdiRecvWithCompletionEvent( PrimarySession->ConnectionFileObject,
&PrimarySession->Thread.TdiReceiveContext,
(PUCHAR)&PrimarySession->Thread.NdfsRequestHeader,
sizeof(NDFS_REQUEST_HEADER),
0,
NULL,
NULL );
if (NT_SUCCESS(status)) {
PrimarySession->Thread.TdiReceiving = TRUE;
} else {
ASSERT( NDASFAT_BUG );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_ERROR );
primarySessionTerminate = TRUE;
}
while (primarySessionTerminate == FALSE) {
PKEVENT events[3];
LONG eventCount;
NTSTATUS eventStatus;
LARGE_INTEGER timeOut;
ASSERT( KeGetCurrentIrql() == PASSIVE_LEVEL );
eventCount = 0;
events[eventCount++] = &PrimarySession->RequestEvent;
if (!FlagOn(PrimarySession->Flags, PRIMARY_SESSION_FLAG_STOPPING)) {
events[eventCount++] = &PrimarySession->Thread.WorkCompletionEvent;
if (FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN)) {
if (PrimarySession->Thread.IdleSlotCount == PrimarySession->SessionContext.SessionSlotCount) {
CloseOpenFiles( PrimarySession, TRUE );
KeSetEvent( &PrimarySession->Thread.ShutdownPrimarySessionRequest->CompleteEvent,
IO_DISK_INCREMENT,
FALSE );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN_WAIT );
ClearFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN );
}
}
if (!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN_WAIT)) {
if (PrimarySession->Thread.TdiReceiving == TRUE) {
ASSERT( PrimarySession->Thread.IdleSlotCount != 0 );
events[eventCount++] = &PrimarySession->Thread.TdiReceiveContext.CompletionEvent;
}
}
ASSERT( eventCount <= THREAD_WAIT_OBJECTS );
}
timeOut.QuadPart = -5*HZ;
eventStatus = KeWaitForMultipleObjects( eventCount,
events,
WaitAny,
Executive,
KernelMode,
TRUE,
&timeOut,
NULL );
#if 0
if (!FlagOn(PrimarySession->Flags, PRIMARY_SESSION_FLAG_STOPPING)) {
if (eventStatus == STATUS_TIMEOUT || eventStatus == 2) {
if (PrimarySession->Thread.SessionState == SESSION_TREE_CONNECT) {
ASSERT( PrimarySession->NetdiskPartition );
if (!(PrimarySession->NetdiskPartition->NetdiskVolume[NETDISK_PRIMARY].VolumeState == VolumeMounted ||
PrimarySession->NetdiskPartition->NetdiskVolume[NETDISK_SECONDARY2PRIMARY].VolumeState == VolumeMounted)) {
DebugTrace2( 0, Dbg2,
("Netdisk Volume is unmounted\n") );
if (!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN_WAIT))
primarySessionTerminate = TRUE;
continue;
}
}
}
}
#endif
if (eventStatus == STATUS_TIMEOUT) {
continue;
}
if (!NT_SUCCESS(eventStatus) || eventStatus >= eventCount) {
NDASFAT_ASSERT( FALSE );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_ERROR );
primarySessionTerminate = TRUE;
continue;
}
KeClearEvent( events[eventStatus] );
if (eventStatus == 0) {
while (primarySessionRequestEntry = ExInterlockedRemoveHeadList( &PrimarySession->RequestQueue,
&PrimarySession->RequestQSpinLock)) {
PPRIMARY_SESSION_REQUEST primarySessionRequest;
primarySessionRequest = CONTAINING_RECORD( primarySessionRequestEntry,
PRIMARY_SESSION_REQUEST,
ListEntry );
if (primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_DISCONNECT ||
primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_DISCONNECT_AND_TERMINATE) {
DebugTrace2( 0, Dbg2,
((primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_DISCONNECT) ?
("PRIMARY_SESSION_REQ_DISCONNECT: DisconnectFromSecondary\n") :
("PRIMARY_SESSION_REQ_DISCONNECT_AND_TERMINATE: DisconnectFromSecondary\n")) );
if (!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED)) {
DisconnectFromSecondary( PrimarySession );
ClearFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_CONNECTED );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED );
}
if (primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_DISCONNECT_AND_TERMINATE)
primarySessionTerminate = TRUE;
if (primarySessionRequest->Synchronous == TRUE)
KeSetEvent( &primarySessionRequest->CompleteEvent, IO_DISK_INCREMENT, FALSE );
else
DereferencePrimarySessionRequest( primarySessionRequest );
} else if (primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_DOWN) {
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_STOPED );
primarySessionTerminate = TRUE;
if (primarySessionRequest->Synchronous == TRUE)
KeSetEvent( &primarySessionRequest->CompleteEvent, IO_DISK_INCREMENT, FALSE );
else
DereferencePrimarySessionRequest( primarySessionRequest );
} else if (primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_SHUTDOWN) {
DebugTrace2( 0, Dbg, ("PrimarySessionThreadProc: PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN\n") );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN );
ASSERT (primarySessionRequest->Synchronous == TRUE);
PrimarySession->Thread.ShutdownPrimarySessionRequest = primarySessionRequest;
if (!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED)) {
DisconnectFromSecondary( PrimarySession );
ClearFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_CONNECTED );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED );
}
} else if (primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_STOPPING) {
SetFlag( PrimarySession->Flags, PRIMARY_SESSION_FLAG_STOPPING );
if (PrimarySession->IsLocalAddress == FALSE) {
CloseOpenFiles( PrimarySession, FALSE );
}
if (primarySessionRequest->Synchronous == TRUE)
KeSetEvent( &primarySessionRequest->CompleteEvent, IO_DISK_INCREMENT, FALSE );
else
DereferencePrimarySessionRequest( primarySessionRequest );
} else if (primarySessionRequest->RequestType == PRIMARY_SESSION_REQ_CANCEL_STOPPING) {
ClearFlag( PrimarySession->Flags, PRIMARY_SESSION_FLAG_STOPPING );
if (primarySessionRequest->Synchronous == TRUE)
KeSetEvent( &primarySessionRequest->CompleteEvent, IO_DISK_INCREMENT, FALSE );
else
DereferencePrimarySessionRequest( primarySessionRequest );
} else {
ASSERT( NDASFAT_BUG );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_ERROR );
}
}
continue;
} else if (eventStatus == 1) {
while (TRUE) {
for (slotIndex = 0; slotIndex < PrimarySession->SessionContext.SessionSlotCount; slotIndex ++) {
if (PrimarySession->Thread.SessionSlot[slotIndex].State == SLOT_FINISH)
break;
}
if (slotIndex == PrimarySession->SessionContext.SessionSlotCount)
break;
PrimarySession->Thread.SessionSlot[slotIndex].State = SLOT_WAIT;
PrimarySession->Thread.IdleSlotCount ++;
if (PrimarySession->Thread.SessionSlot[slotIndex].Status == STATUS_SUCCESS) {
PNDFS_REPLY_HEADER ndfsReplyHeader;
ndfsReplyHeader = (PNDFS_REPLY_HEADER)PrimarySession->Thread.SessionSlot[slotIndex].ReplyMessageBuffer;
PrimarySession->Thread.SessionSlot[slotIndex].Status
= SendNdfsWinxpMessage( PrimarySession,
ndfsReplyHeader,
PrimarySession->Thread.SessionSlot[slotIndex].NdfsWinxpReplyHeader,
PrimarySession->Thread.SessionSlot[slotIndex].ReplyDataSize,
slotIndex );
}
if (PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpRequestMessagePool) {
ExFreePool(PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpRequestMessagePool);
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpRequestMessagePool = NULL;
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePoolLength = 0;
}
if (PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePool) {
ExFreePool(PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePool);
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePool = NULL;
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePoolLength = 0;
}
if (!(PrimarySession->Thread.SessionSlot[slotIndex].Status == STATUS_SUCCESS ||
PrimarySession->Thread.SessionSlot[slotIndex].Status == STATUS_PENDING)) {
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_ERROR );
#if 0
if (PrimarySession->NetdiskPartition) {
NetdiskManager_ReturnPrimaryPartition( GlobalLfs.NetdiskManager,
PrimarySession,
PrimarySession->NetdiskPartition,
PrimarySession->IsLocalAddress );
PrimarySession->NetdiskPartition = NULL;
}
#endif
primarySessionTerminate = TRUE;
break;
}
if (PrimarySession->Thread.SessionState == SESSION_CLOSED) {
#if 0
if (PrimarySession->NetdiskPartition) {
NetdiskManager_ReturnPrimaryPartition( GlobalLfs.NetdiskManager,
PrimarySession,
PrimarySession->NetdiskPartition,
PrimarySession->IsLocalAddress );
PrimarySession->NetdiskPartition = NULL;
}
#endif
primarySessionTerminate = TRUE;
break;
}
if (PrimarySession->Thread.SessionSlot[slotIndex].Status == STATUS_SUCCESS) {
if (PrimarySession->Thread.TdiReceiving == FALSE) {
status = LpxTdiRecvWithCompletionEvent( PrimarySession->ConnectionFileObject,
&PrimarySession->Thread.TdiReceiveContext,
(PUCHAR)&PrimarySession->Thread.NdfsRequestHeader,
sizeof(NDFS_REQUEST_HEADER),
0,
NULL,
NULL );
if (!NT_SUCCESS(status)) {
ASSERT( NDASFAT_BUG );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_ERROR );
primarySessionTerminate = TRUE;
break;
}
PrimarySession->Thread.TdiReceiving = TRUE;
}
}
}
continue;
} else {
ASSERT( eventStatus == 2 ); // Receive Event
ASSERT( !FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN_WAIT) &&
!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_SHUTDOWN) );
if (PrimarySession->Thread.TdiReceiveContext.Result != sizeof(NDFS_REQUEST_HEADER)) {
DebugTrace2( 0, Dbg,
("DispatchRequest: Disconnected, PrimarySession = Data received:%d\n",
PrimarySession->Thread.TdiReceiveContext.Result) );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED );
primarySessionTerminate = TRUE;
continue;
}
PrimarySession->Thread.TdiReceiving = FALSE;
#if 0
if (PrimarySession->NetdiskPartition) {
PENABLED_NETDISK EnabledNetdisk = PrimarySession->NetdiskPartition->EnabledNetdisk;
ASSERT( EnabledNetdisk );
if (NetdiskManager_IsStoppedNetdisk(GlobalLfs.NetdiskManager, EnabledNetdisk)) {
DebugTrace2( 0, Dbg2,
("PrimarySessionThread: %p Netdisk is stopped\n", PrimarySession) );
DebugTrace2( 0, Dbg2, ("DispatchWinXpRequest: Netdisk is stopped.\n") );
if (!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED)) {
// no other way to notify secondary about unmount without break backward compatability.
DebugTrace2( 0, Dbg2, ("IsStoppedNetdisk: DisconnectFromSecondary\n") );
DisconnectFromSecondary( PrimarySession );
ClearFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_CONNECTED );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED );
}
primarySessionTerminate = TRUE;
continue;
}
}
#endif
status = DispatchRequest( PrimarySession );
if (!(status == STATUS_SUCCESS || status == STATUS_PENDING)) {
primarySessionTerminate = TRUE;
continue;
}
if (PrimarySession->Thread.SessionState == SESSION_CLOSED) {
primarySessionTerminate = TRUE;
continue;
}
if (status == STATUS_SUCCESS) {
if (PrimarySession->Thread.TdiReceiving == FALSE) {
status = LpxTdiRecvWithCompletionEvent( PrimarySession->ConnectionFileObject,
&PrimarySession->Thread.TdiReceiveContext,
(PUCHAR)&PrimarySession->Thread.NdfsRequestHeader,
sizeof(NDFS_REQUEST_HEADER),
0,
NULL,
NULL );
if (!NT_SUCCESS(status)) {
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_ERROR );
primarySessionTerminate = TRUE;
}
PrimarySession->Thread.TdiReceiving = TRUE;
}
}
continue;
}
}
ExAcquireFastMutexUnsafe( &PrimarySession->FastMutex );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_STOPED );
ExReleaseFastMutexUnsafe( &PrimarySession->FastMutex );
while (TRUE) {
LARGE_INTEGER timeOut;
NTSTATUS eventStatus;
if (PrimarySession->Thread.IdleSlotCount == PrimarySession->SessionContext.SessionSlotCount)
break;
timeOut.QuadPart = -10*HZ;
eventStatus = KeWaitForSingleObject( &PrimarySession->Thread.WorkCompletionEvent,
Executive,
KernelMode,
FALSE,
&timeOut );
KeClearEvent( &PrimarySession->Thread.WorkCompletionEvent );
if (eventStatus == STATUS_TIMEOUT) {
ASSERT( NDASFAT_UNEXPECTED );
continue;
}
while (TRUE) {
for (slotIndex = 0; slotIndex < PrimarySession->SessionContext.SessionSlotCount; slotIndex++) {
if (PrimarySession->Thread.SessionSlot[slotIndex].State == SLOT_FINISH)
break;
}
if (slotIndex == PrimarySession->SessionContext.SessionSlotCount)
break;
DebugTrace2( 0, Dbg, ("PrimarySessionThreadProc: eventStatus = %d\n", eventStatus) );
PrimarySession->Thread.SessionSlot[slotIndex].State = SLOT_WAIT;
PrimarySession->Thread.IdleSlotCount++;
if (PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpRequestMessagePool) {
ExFreePool( PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpRequestMessagePool );
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpRequestMessagePool = NULL;
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePoolLength = 0;
}
if (PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePool) {
ExFreePool( PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePool );
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePool = NULL;
PrimarySession->Thread.SessionSlot[slotIndex].ExtendWinxpReplyMessagePoolLength = 0;
}
}
}
if (!FlagOn(PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED)) {
DebugTrace2( 0, Dbg2, ("PsTerminateSystemThread: DisconnectFromSecondary\n") );
DisconnectFromSecondary( PrimarySession );
ClearFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_CONNECTED );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_DISCONNECTED );
}
CloseOpenFiles( PrimarySession, TRUE );
while (primarySessionRequestEntry = ExInterlockedRemoveHeadList( &PrimarySession->RequestQueue,
&PrimarySession->RequestQSpinLock)) {
PPRIMARY_SESSION_REQUEST primarySessionRequest;
primarySessionRequest = CONTAINING_RECORD( primarySessionRequestEntry,
PRIMARY_SESSION_REQUEST,
ListEntry );
if (primarySessionRequest->Synchronous == TRUE)
KeSetEvent( &primarySessionRequest->CompleteEvent, IO_DISK_INCREMENT, FALSE );
else
DereferencePrimarySessionRequest( primarySessionRequest );
}
#if 0
if (PrimarySession->NetdiskPartition) {
NetdiskManager_ReturnPrimaryPartition( GlobalLfs.NetdiskManager,
PrimarySession,
PrimarySession->NetdiskPartition,
PrimarySession->IsLocalAddress );
PrimarySession->NetdiskPartition = NULL;
}
#endif
DebugTrace2( 0, Dbg2,
("PrimarySessionThreadProc: PsTerminateSystemThread PrimarySession = %p\n",
PrimarySession) );
SetFlag( PrimarySession->Thread.Flags, PRIMARY_SESSION_THREAD_FLAG_TERMINATED );
PrimarySession_Dereference( PrimarySession );
PsTerminateSystemThread( STATUS_SUCCESS );
}
NTSTATUS
NdasFatSecondaryQueryDirectory (
IN PIRP_CONTEXT IrpContext,
IN PIRP Irp
)
/*++
Routine Description:
This routine performs the query directory operation. It is responsible
for either completing of enqueuing the input Irp.
Arguments:
Irp - Supplies the Irp to process
Return Value:
NTSTATUS - The return status for the operation
--*/
{
NTSTATUS Status;
PIO_STACK_LOCATION IrpSp;
PVCB Vcb;
PDCB Dcb;
PCCB Ccb;
PBCB Bcb;
ULONG i;
PUCHAR Buffer;
CLONG UserBufferLength;
PUNICODE_STRING UniArgFileName;
WCHAR LongFileNameBuffer[ FAT_CREATE_INITIAL_NAME_BUF_SIZE];
UNICODE_STRING LongFileName;
FILE_INFORMATION_CLASS FileInformationClass;
ULONG FileIndex;
BOOLEAN RestartScan;
BOOLEAN ReturnSingleEntry;
BOOLEAN IndexSpecified;
BOOLEAN InitialQuery;
VBO CurrentVbo;
BOOLEAN UpdateCcb;
PDIRENT Dirent;
UCHAR Fat8Dot3Buffer[12];
OEM_STRING Fat8Dot3String;
ULONG DiskAllocSize;
ULONG NextEntry;
ULONG LastEntry;
PFILE_DIRECTORY_INFORMATION DirInfo;
PFILE_FULL_DIR_INFORMATION FullDirInfo;
PFILE_BOTH_DIR_INFORMATION BothDirInfo;
PFILE_ID_FULL_DIR_INFORMATION IdFullDirInfo;
PFILE_ID_BOTH_DIR_INFORMATION IdBothDirInfo;
PFILE_NAMES_INFORMATION NamesInfo;
#if 1
PVOLUME_DEVICE_OBJECT volDo;
BOOLEAN secondarySessionResourceAcquired = FALSE;
PSECONDARY_REQUEST secondaryRequest = NULL;
PNDFS_REQUEST_HEADER ndfsRequestHeader;
PNDFS_WINXP_REQUEST_HEADER ndfsWinxpRequestHeader;
PNDFS_WINXP_REPLY_HEADER ndfsWinxpReplytHeader;
_U8 *ndfsWinxpRequestData;
LARGE_INTEGER timeOut;
struct QueryDirectory queryDirectory;
PVOID inputBuffer;
ULONG inputBufferLength;
ULONG returnedDataSize;
#endif
PAGED_CODE();
//
// Get the current Stack location
//
IrpSp = IoGetCurrentIrpStackLocation( Irp );
//
// Display the input values.
//
DebugTrace(+1, Dbg, "FatQueryDirectory...\n", 0);
DebugTrace( 0, Dbg, " Wait = %08lx\n", FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT));
DebugTrace( 0, Dbg, " Irp = %08lx\n", Irp);
DebugTrace( 0, Dbg, " ->Length = %08lx\n", IrpSp->Parameters.QueryDirectory.Length);
DebugTrace( 0, Dbg, " ->FileName = %08lx\n", IrpSp->Parameters.QueryDirectory.FileName);
DebugTrace( 0, Dbg, " ->FileInformationClass = %08lx\n", IrpSp->Parameters.QueryDirectory.FileInformationClass);
DebugTrace( 0, Dbg, " ->FileIndex = %08lx\n", IrpSp->Parameters.QueryDirectory.FileIndex);
DebugTrace( 0, Dbg, " ->UserBuffer = %08lx\n", Irp->AssociatedIrp.SystemBuffer);
DebugTrace( 0, Dbg, " ->RestartScan = %08lx\n", FlagOn( IrpSp->Flags, SL_RESTART_SCAN ));
DebugTrace( 0, Dbg, " ->ReturnSingleEntry = %08lx\n", FlagOn( IrpSp->Flags, SL_RETURN_SINGLE_ENTRY ));
DebugTrace( 0, Dbg, " ->IndexSpecified = %08lx\n", FlagOn( IrpSp->Flags, SL_INDEX_SPECIFIED ));
//
// Reference our input parameters to make things easier
//
UserBufferLength = IrpSp->Parameters.QueryDirectory.Length;
FileInformationClass = IrpSp->Parameters.QueryDirectory.FileInformationClass;
FileIndex = IrpSp->Parameters.QueryDirectory.FileIndex;
UniArgFileName = (PUNICODE_STRING) IrpSp->Parameters.QueryDirectory.FileName;
RestartScan = BooleanFlagOn(IrpSp->Flags, SL_RESTART_SCAN);
ReturnSingleEntry = BooleanFlagOn(IrpSp->Flags, SL_RETURN_SINGLE_ENTRY);
IndexSpecified = BooleanFlagOn(IrpSp->Flags, SL_INDEX_SPECIFIED);
//
// Check on the type of open. We return invalid parameter for all
// but UserDirectoryOpens. Also check that the filename is a valid
// UNICODE string.
//
if (FatDecodeFileObject( IrpSp->FileObject,
&Vcb,
&Dcb,
&Ccb) != UserDirectoryOpen ||
(UniArgFileName &&
UniArgFileName->Length % sizeof(WCHAR))) {
FatCompleteRequest( IrpContext, Irp, STATUS_INVALID_PARAMETER );
DebugTrace(-1, Dbg, "FatQueryDirectory -> STATUS_INVALID_PARAMETER\n", 0);
return STATUS_INVALID_PARAMETER;
}
#if 1
if (FlagOn(Ccb->NdasFatFlags, ND_FAT_CCB_FLAG_UNOPENED)) {
ASSERT( FlagOn(Ccb->NdasFatFlags, ND_FAT_CCB_FLAG_CORRUPTED) );
FatCompleteRequest( IrpContext, Irp, STATUS_FILE_CORRUPT_ERROR );
DebugTrace2( -1, Dbg, ("NtfsCommonDirectoryControl -> STATUS_FILE_CORRUPT_ERROR\n") );
return STATUS_FILE_CORRUPT_ERROR;
}
#endif
//
// Initialize the local variables.
//
Bcb = NULL;
UpdateCcb = TRUE;
Dirent = NULL;
Fat8Dot3String.MaximumLength = 12;
Fat8Dot3String.Buffer = Fat8Dot3Buffer;
LongFileName.Length = 0;
LongFileName.MaximumLength = sizeof( LongFileNameBuffer);
LongFileName.Buffer = LongFileNameBuffer;
InitialQuery = (BOOLEAN)((Ccb->UnicodeQueryTemplate.Buffer == NULL) &&
!FlagOn(Ccb->Flags, CCB_FLAG_MATCH_ALL));
Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
DiskAllocSize = 1 << Vcb->AllocationSupport.LogOfBytesPerCluster;
//
// If this is the initial query, then grab exclusive access in
// order to update the search string in the Ccb. We may
// discover that we are not the initial query once we grab the Fcb
// and downgrade our status.
//
if (InitialQuery) {
if (!FatAcquireExclusiveFcb( IrpContext, Dcb )) {
DebugTrace(0, Dbg, "FatQueryDirectory -> Enqueue to Fsp\n", 0);
Status = FatFsdPostRequest( IrpContext, Irp );
DebugTrace(-1, Dbg, "FatQueryDirectory -> %08lx\n", Status);
return Status;
}
if (Ccb->UnicodeQueryTemplate.Buffer != NULL) {
InitialQuery = FALSE;
FatConvertToSharedFcb( IrpContext, Dcb );
}
} else {
if (!FatAcquireSharedFcb( IrpContext, Dcb )) {
DebugTrace(0, Dbg, "FatQueryDirectory -> Enqueue to Fsp\n", 0);
Status = FatFsdPostRequest( IrpContext, Irp );
DebugTrace(-1, Dbg, "FatQueryDirectory -> %08lx\n", Status);
return Status;
}
}
try {
ULONG BaseLength;
ULONG BytesConverted;
//
// If we are in the Fsp now because we had to wait earlier,
// we must map the user buffer, otherwise we can use the
// user's buffer directly.
//
Buffer = FatMapUserBuffer( IrpContext, Irp );
#if 1
volDo = CONTAINING_RECORD( Vcb, VOLUME_DEVICE_OBJECT, Vcb );
secondarySessionResourceAcquired
= SecondaryAcquireResourceExclusiveLite( IrpContext,
&volDo->SessionResource,
BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
if (FlagOn(volDo->Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED)) {
NDASFAT_ASSERT( FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
SetFlag( IrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_DONT_POST_REQUEST );
FatRaiseStatus( IrpContext, STATUS_CANT_WAIT );
}
queryDirectory.FileIndex = IrpSp->Parameters.QueryDirectory.FileIndex;
queryDirectory.FileInformationClass = IrpSp->Parameters.QueryDirectory.FileInformationClass;
queryDirectory.FileName = IrpSp->Parameters.QueryDirectory.FileName;
queryDirectory.Length = IrpSp->Parameters.QueryDirectory.Length;
inputBuffer = (queryDirectory.FileName) ? (queryDirectory.FileName->Buffer) : NULL;
inputBufferLength = (queryDirectory.FileName) ? (queryDirectory.FileName->Length) : 0;
if (queryDirectory.FileName) {
DebugTrace2( 0, Dbg, ("NdNtfsSecondaryQueryDirectory: queryFileName = %wZ\n", queryDirectory.FileName) );
}
ASSERT( inputBufferLength <= volDo->Secondary->Thread.SessionContext.PrimaryMaxDataSize );
ASSERT( UserBufferLength <= volDo->Secondary->Thread.SessionContext.SecondaryMaxDataSize );
secondaryRequest = AllocateWinxpSecondaryRequest( volDo->Secondary,
IRP_MJ_DIRECTORY_CONTROL,
((inputBufferLength > UserBufferLength) ? inputBufferLength : UserBufferLength) );
if (secondaryRequest == NULL) {
try_return( Status = STATUS_INSUFFICIENT_RESOURCES );
}
ndfsRequestHeader = &secondaryRequest->NdfsRequestHeader;
INITIALIZE_NDFS_REQUEST_HEADER( ndfsRequestHeader,
NDFS_COMMAND_EXECUTE,
volDo->Secondary,
IRP_MJ_DIRECTORY_CONTROL,
inputBufferLength );
ndfsWinxpRequestHeader = (PNDFS_WINXP_REQUEST_HEADER)(ndfsRequestHeader+1);
ASSERT( ndfsWinxpRequestHeader == (PNDFS_WINXP_REQUEST_HEADER)secondaryRequest->NdfsRequestData );
INITIALIZE_NDFS_WINXP_REQUEST_HEADER( ndfsWinxpRequestHeader, Irp, IrpSp, Ccb->PrimaryFileHandle );
ndfsWinxpRequestHeader->QueryDirectory.Length = UserBufferLength;
ndfsWinxpRequestHeader->QueryDirectory.FileInformationClass = queryDirectory.FileInformationClass;
ndfsWinxpRequestHeader->QueryDirectory.FileIndex = queryDirectory.FileIndex;
ndfsWinxpRequestData = (_U8 *)(ndfsWinxpRequestHeader+1);
if (inputBufferLength)
RtlCopyMemory( ndfsWinxpRequestData, inputBuffer, inputBufferLength );
secondaryRequest->RequestType = SECONDARY_REQ_SEND_MESSAGE;
QueueingSecondaryRequest( volDo->Secondary, secondaryRequest );
timeOut.QuadPart = -NDASFAT_TIME_OUT;
Status = KeWaitForSingleObject( &secondaryRequest->CompleteEvent, Executive, KernelMode, FALSE, &timeOut );
KeClearEvent( &secondaryRequest->CompleteEvent );
if (Status != STATUS_SUCCESS) {
secondaryRequest = NULL;
try_return( Status = STATUS_IO_DEVICE_ERROR );
}
SecondaryReleaseResourceLite( IrpContext, &volDo->SessionResource );
secondarySessionResourceAcquired = FALSE;
if (secondaryRequest->ExecuteStatus != STATUS_SUCCESS) {
if (IrpContext->OriginatingIrp)
PrintIrp( Dbg2, "secondaryRequest->ExecuteStatus != STATUS_SUCCESS", NULL, IrpContext->OriginatingIrp );
DebugTrace2( 0, Dbg2, ("secondaryRequest->ExecuteStatus != STATUS_SUCCESS file = %s, line = %d\n", __FILE__, __LINE__) );
NDASFAT_ASSERT( FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
SetFlag( IrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_DONT_POST_REQUEST );
FatRaiseStatus( IrpContext, STATUS_CANT_WAIT );
}
ndfsWinxpReplytHeader = (PNDFS_WINXP_REPLY_HEADER)secondaryRequest->NdfsReplyData;
Status = Irp->IoStatus.Status = ndfsWinxpReplytHeader->Status;
Irp->IoStatus.Information = ndfsWinxpReplytHeader->Information;
returnedDataSize = secondaryRequest->NdfsReplyHeader.MessageSize - sizeof(NDFS_REPLY_HEADER) - sizeof(NDFS_WINXP_REPLY_HEADER);
if (returnedDataSize) {
ASSERT( ndfsWinxpReplytHeader->Information != 0 );
ASSERT(returnedDataSize <= ADD_ALIGN8(queryDirectory.Length));
ASSERT( Buffer );
RtlCopyMemory( Buffer,
(_U8 *)(ndfsWinxpReplytHeader+1),
(returnedDataSize < queryDirectory.Length) ? returnedDataSize : queryDirectory.Length );
}
#endif
#if 0
//
// Make sure the Dcb is still good.
//
FatVerifyFcb( IrpContext, Dcb );
//
// Determine where to start the scan. Highest priority is given
// to the file index. Lower priority is the restart flag. If
// neither of these is specified, then the Vbo offset field in the
// Ccb is used.
//
if (IndexSpecified) {
CurrentVbo = FileIndex + sizeof( DIRENT );
} else if (RestartScan) {
CurrentVbo = 0;
} else {
CurrentVbo = Ccb->OffsetToStartSearchFrom;
}
//
// If this is the first try then allocate a buffer for the file
// name.
//
if (InitialQuery) {
//
// If either:
//
// - No name was specified
// - An empty name was specified
// - We received a '*'
// - The user specified the DOS equivolent of ????????.???
//
// then match all names.
//
if ((UniArgFileName == NULL) ||
(UniArgFileName->Length == 0) ||
(UniArgFileName->Buffer == NULL) ||
((UniArgFileName->Length == sizeof(WCHAR)) &&
(UniArgFileName->Buffer[0] == L'*')) ||
((UniArgFileName->Length == 12*sizeof(WCHAR)) &&
(RtlEqualMemory( UniArgFileName->Buffer,
Fat8QMdot3QM,
12*sizeof(WCHAR) )))) {
Ccb->ContainsWildCards = TRUE;
SetFlag( Ccb->Flags, CCB_FLAG_MATCH_ALL );
} else {
BOOLEAN ExtendedName = FALSE;
OEM_STRING LocalBestFit;
//
// First and formost, see if the name has wild cards.
//
Ccb->ContainsWildCards =
FsRtlDoesNameContainWildCards( UniArgFileName );
//
// Now check to see if the name contains any extended
// characters
//
for (i=0; i < UniArgFileName->Length / sizeof(WCHAR); i++) {
if (UniArgFileName->Buffer[i] >= 0x80) {
ExtendedName = TRUE;
break;
}
}
//
// OK, now do the conversions we need.
//
if (ExtendedName) {
Status = RtlUpcaseUnicodeString( &Ccb->UnicodeQueryTemplate,
UniArgFileName,
TRUE );
if (!NT_SUCCESS(Status)) {
try_return( Status );
}
SetFlag( Ccb->Flags, CCB_FLAG_FREE_UNICODE );
//
// Upcase the name and convert it to the Oem code page.
//
Status = RtlUpcaseUnicodeStringToCountedOemString( &LocalBestFit,
UniArgFileName,
TRUE );
//
// If this conversion failed for any reason other than
// an unmappable character fail the request.
//
if (!NT_SUCCESS(Status)) {
if (Status == STATUS_UNMAPPABLE_CHARACTER) {
SetFlag( Ccb->Flags, CCB_FLAG_SKIP_SHORT_NAME_COMPARE );
} else {
try_return( Status );
}
} else {
SetFlag( Ccb->Flags, CCB_FLAG_FREE_OEM_BEST_FIT );
}
} else {
PVOID Buffers;
//
// This case is optimized because I know I only have to
// worry about a-z.
//
Buffers = FsRtlAllocatePoolWithTag( PagedPool,
UniArgFileName->Length +
UniArgFileName->Length / sizeof(WCHAR),
TAG_FILENAME_BUFFER );
Ccb->UnicodeQueryTemplate.Buffer = Buffers;
Ccb->UnicodeQueryTemplate.Length = UniArgFileName->Length;
Ccb->UnicodeQueryTemplate.MaximumLength = UniArgFileName->Length;
LocalBestFit.Buffer = (PUCHAR)Buffers + UniArgFileName->Length;
LocalBestFit.Length = UniArgFileName->Length / sizeof(WCHAR);
LocalBestFit.MaximumLength = LocalBestFit.Length;
SetFlag( Ccb->Flags, CCB_FLAG_FREE_UNICODE );
for (i=0; i < UniArgFileName->Length / sizeof(WCHAR); i++) {
WCHAR c = UniArgFileName->Buffer[i];
LocalBestFit.Buffer[i] = (UCHAR)
(Ccb->UnicodeQueryTemplate.Buffer[i] =
(c < 'a' ? c : c <= 'z' ? c - ('a' - 'A') : c));
}
}
//
// At this point we now have the upcased unicode name,
// and the two Oem names if they could be represented in
// this code page.
//
// Now determine if the Oem names are legal for what we
// going to try and do. Mark them as not usable is they
// are not legal. Note that we can optimize extended names
// since they are actually both the same string.
//
if (!FlagOn( Ccb->Flags, CCB_FLAG_SKIP_SHORT_NAME_COMPARE ) &&
!FatIsNameShortOemValid( IrpContext,
LocalBestFit,
Ccb->ContainsWildCards,
FALSE,
FALSE )) {
if (ExtendedName) {
RtlFreeOemString( &LocalBestFit );
ClearFlag( Ccb->Flags, CCB_FLAG_FREE_OEM_BEST_FIT );
}
SetFlag( Ccb->Flags, CCB_FLAG_SKIP_SHORT_NAME_COMPARE );
}
//
// OK, now both locals oem strings correctly reflect their
// usability. Now we want to load up the Ccb structure.
//
// Now we will branch on two paths of wheather the name
// is wild or not.
//
if (!FlagOn( Ccb->Flags, CCB_FLAG_SKIP_SHORT_NAME_COMPARE )) {
if (Ccb->ContainsWildCards) {
Ccb->OemQueryTemplate.Wild = LocalBestFit;
} else {
FatStringTo8dot3( IrpContext,
LocalBestFit,
&Ccb->OemQueryTemplate.Constant );
if (FlagOn(Ccb->Flags, CCB_FLAG_FREE_OEM_BEST_FIT)) {
RtlFreeOemString( &LocalBestFit );
ClearFlag( Ccb->Flags, CCB_FLAG_FREE_OEM_BEST_FIT );
}
}
}
}
//
// We convert to shared access.
//
FatConvertToSharedFcb( IrpContext, Dcb );
}
LastEntry = 0;
NextEntry = 0;
switch (FileInformationClass) {
case FileDirectoryInformation:
BaseLength = FIELD_OFFSET( FILE_DIRECTORY_INFORMATION,
FileName[0] );
break;
case FileFullDirectoryInformation:
BaseLength = FIELD_OFFSET( FILE_FULL_DIR_INFORMATION,
FileName[0] );
break;
case FileIdFullDirectoryInformation:
BaseLength = FIELD_OFFSET( FILE_ID_FULL_DIR_INFORMATION,
FileName[0] );
break;
case FileNamesInformation:
BaseLength = FIELD_OFFSET( FILE_NAMES_INFORMATION,
FileName[0] );
break;
case FileBothDirectoryInformation:
BaseLength = FIELD_OFFSET( FILE_BOTH_DIR_INFORMATION,
FileName[0] );
break;
case FileIdBothDirectoryInformation:
BaseLength = FIELD_OFFSET( FILE_ID_BOTH_DIR_INFORMATION,
FileName[0] );
break;
default:
try_return( Status = STATUS_INVALID_INFO_CLASS );
}
//
// At this point we are about to enter our query loop. We have
// determined the index into the directory file to begin the
// search. LastEntry and NextEntry are used to index into the user
// buffer. LastEntry is the last entry we've added, NextEntry is
// current one we're working on. If NextEntry is non-zero, then
// at least one entry was added.
//
while ( TRUE ) {
VBO NextVbo;
ULONG FileNameLength;
ULONG BytesRemainingInBuffer;
DebugTrace(0, Dbg, "FatQueryDirectory -> Top of loop\n", 0);
//
// If the user had requested only a single match and we have
// returned that, then we stop at this point.
//
if (ReturnSingleEntry && NextEntry != 0) {
try_return( Status );
}
//
// We call FatLocateDirent to lock down the next matching dirent.
//
FatLocateDirent( IrpContext,
Dcb,
Ccb,
CurrentVbo,
&Dirent,
&Bcb,
&NextVbo,
NULL,
&LongFileName);
//
// If we didn't receive a dirent, then we are at the end of the
// directory. If we have returned any files, we exit with
// success, otherwise we return STATUS_NO_MORE_FILES.
//
if (!Dirent) {
DebugTrace(0, Dbg, "FatQueryDirectory -> No dirent\n", 0);
if (NextEntry == 0) {
UpdateCcb = FALSE;
if (InitialQuery) {
Status = STATUS_NO_SUCH_FILE;
} else {
Status = STATUS_NO_MORE_FILES;
}
}
try_return( Status );
}
//
// Protect access to the user buffer with an exception handler.
// Since (at our request) IO doesn't buffer these requests, we have
// to guard against a user messing with the page protection and other
// such trickery.
//
try {
if (LongFileName.Length == 0) {
//
// Now we have an entry to return to our caller. We'll convert
// the name from the form in the dirent to a <name>.<ext> form.
// We'll case on the type of information requested and fill up
// the user buffer if everything fits.
//
Fat8dot3ToString( IrpContext, Dirent, TRUE, &Fat8Dot3String );
//
// Determine the UNICODE length of the file name.
//
FileNameLength = RtlOemStringToCountedUnicodeSize(&Fat8Dot3String);
//
// Here are the rules concerning filling up the buffer:
//
// 1. The Io system garentees that there will always be
// enough room for at least one base record.
//
// 2. If the full first record (including file name) cannot
// fit, as much of the name as possible is copied and
// STATUS_BUFFER_OVERFLOW is returned.
//
// 3. If a subsequent record cannot completely fit into the
// buffer, none of it (as in 0 bytes) is copied, and
// STATUS_SUCCESS is returned. A subsequent query will
// pick up with this record.
//
BytesRemainingInBuffer = UserBufferLength - NextEntry;
if ( (NextEntry != 0) &&
( (BaseLength + FileNameLength > BytesRemainingInBuffer) ||
(UserBufferLength < NextEntry) ) ) {
DebugTrace(0, Dbg, "Next entry won't fit\n", 0);
try_return( Status = STATUS_SUCCESS );
}
ASSERT( BytesRemainingInBuffer >= BaseLength );
//
// Zero the base part of the structure.
//
RtlZeroMemory( &Buffer[NextEntry], BaseLength );
switch ( FileInformationClass ) {
//
// Now fill the base parts of the strucure that are applicable.
//
case FileBothDirectoryInformation:
case FileFullDirectoryInformation:
case FileIdBothDirectoryInformation:
case FileIdFullDirectoryInformation:
DebugTrace(0, Dbg, "FatQueryDirectory -> Getting file full directory information\n", 0);
//
// Get the Ea file length.
//
FullDirInfo = (PFILE_FULL_DIR_INFORMATION)&Buffer[NextEntry];
//
// If the EAs are corrupt, ignore the error. We don't want
// to abort the directory query.
//
try {
FatGetEaLength( IrpContext,
Vcb,
Dirent,
&FullDirInfo->EaSize );
} except(EXCEPTION_EXECUTE_HANDLER) {
FatResetExceptionState( IrpContext );
FullDirInfo->EaSize = 0;
}
case FileDirectoryInformation:
DirInfo = (PFILE_DIRECTORY_INFORMATION)&Buffer[NextEntry];
FatGetDirTimes( IrpContext, Dirent, DirInfo );
DirInfo->EndOfFile.QuadPart = Dirent->FileSize;
if (!FlagOn( Dirent->Attributes, FAT_DIRENT_ATTR_DIRECTORY )) {
DirInfo->AllocationSize.QuadPart =
(((Dirent->FileSize + DiskAllocSize - 1) / DiskAllocSize) *
DiskAllocSize );
}
DirInfo->FileAttributes = Dirent->Attributes != 0 ?
Dirent->Attributes :
FILE_ATTRIBUTE_NORMAL;
DirInfo->FileIndex = NextVbo;
DirInfo->FileNameLength = FileNameLength;
DebugTrace(0, Dbg, "FatQueryDirectory -> Name = \"%Z\"\n", &Fat8Dot3String);
break;
case FileNamesInformation:
DebugTrace(0, Dbg, "FatQueryDirectory -> Getting file names information\n", 0);
NamesInfo = (PFILE_NAMES_INFORMATION)&Buffer[NextEntry];
NamesInfo->FileIndex = NextVbo;
NamesInfo->FileNameLength = FileNameLength;
DebugTrace(0, Dbg, "FatQueryDirectory -> Name = \"%Z\"\n", &Fat8Dot3String );
break;
default:
FatBugCheck( FileInformationClass, 0, 0 );
}
BytesConverted = 0;
Status = RtlOemToUnicodeN( (PWCH)&Buffer[NextEntry + BaseLength],
BytesRemainingInBuffer - BaseLength,
&BytesConverted,
Fat8Dot3String.Buffer,
Fat8Dot3String.Length );
//
// Check for the case that a single entry doesn't fit.
// This should only get this far on the first entry
//
if (BytesConverted < FileNameLength) {
ASSERT( NextEntry == 0 );
Status = STATUS_BUFFER_OVERFLOW;
}
//
// Set up the previous next entry offset
//
*((PULONG)(&Buffer[LastEntry])) = NextEntry - LastEntry;
//
// And indicate how much of the user buffer we have currently
// used up. We must compute this value before we long align
// ourselves for the next entry
//
Irp->IoStatus.Information = QuadAlign( Irp->IoStatus.Information ) +
BaseLength + BytesConverted;
//
// If something happened with the conversion, bail here.
//
if ( !NT_SUCCESS( Status ) ) {
try_return( NOTHING );
}
} else {
ULONG ShortNameLength;
FileNameLength = LongFileName.Length;
//
// Here are the rules concerning filling up the buffer:
//
// 1. The Io system garentees that there will always be
// enough room for at least one base record.
//
// 2. If the full first record (including file name) cannot
// fit, as much of the name as possible is copied and
// STATUS_BUFFER_OVERFLOW is returned.
//
// 3. If a subsequent record cannot completely fit into the
// buffer, none of it (as in 0 bytes) is copied, and
// STATUS_SUCCESS is returned. A subsequent query will
// pick up with this record.
//
BytesRemainingInBuffer = UserBufferLength - NextEntry;
if ( (NextEntry != 0) &&
( (BaseLength + FileNameLength > BytesRemainingInBuffer) ||
(UserBufferLength < NextEntry) ) ) {
DebugTrace(0, Dbg, "Next entry won't fit\n", 0);
try_return( Status = STATUS_SUCCESS );
}
ASSERT( BytesRemainingInBuffer >= BaseLength );
//
// Zero the base part of the structure.
//
RtlZeroMemory( &Buffer[NextEntry], BaseLength );
switch ( FileInformationClass ) {
//
// Now fill the base parts of the strucure that are applicable.
//
case FileBothDirectoryInformation:
case FileIdBothDirectoryInformation:
BothDirInfo = (PFILE_BOTH_DIR_INFORMATION)&Buffer[NextEntry];
//
// Now we have an entry to return to our caller. We'll convert
// the name from the form in the dirent to a <name>.<ext> form.
// We'll case on the type of information requested and fill up
// the user buffer if everything fits.
//
Fat8dot3ToString( IrpContext, Dirent, FALSE, &Fat8Dot3String );
ASSERT( Fat8Dot3String.Length <= 12 );
Status = RtlOemToUnicodeN( &BothDirInfo->ShortName[0],
12*sizeof(WCHAR),
&ShortNameLength,
Fat8Dot3String.Buffer,
Fat8Dot3String.Length );
ASSERT( Status != STATUS_BUFFER_OVERFLOW );
ASSERT( ShortNameLength <= 12*sizeof(WCHAR) );
//
// Copy the length into the dirinfo structure. Note
// that the LHS below is a USHORT, so it can not
// be specificed as the OUT parameter above.
//
BothDirInfo->ShortNameLength = (UCHAR)ShortNameLength;
//
// If something happened with the conversion, bail here.
//
if ( !NT_SUCCESS( Status ) ) {
try_return( NOTHING );
}
case FileFullDirectoryInformation:
case FileIdFullDirectoryInformation:
DebugTrace(0, Dbg, "FatQueryDirectory -> Getting file full directory information\n", 0);
//
// Get the Ea file length.
//
FullDirInfo = (PFILE_FULL_DIR_INFORMATION)&Buffer[NextEntry];
//
// If the EAs are corrupt, ignore the error. We don't want
// to abort the directory query.
//
try {
FatGetEaLength( IrpContext,
Vcb,
Dirent,
&FullDirInfo->EaSize );
} except(EXCEPTION_EXECUTE_HANDLER) {
FatResetExceptionState( IrpContext );
FullDirInfo->EaSize = 0;
}
case FileDirectoryInformation:
DirInfo = (PFILE_DIRECTORY_INFORMATION)&Buffer[NextEntry];
FatGetDirTimes( IrpContext, Dirent, DirInfo );
DirInfo->EndOfFile.QuadPart = Dirent->FileSize;
if (!FlagOn( Dirent->Attributes, FAT_DIRENT_ATTR_DIRECTORY )) {
DirInfo->AllocationSize.QuadPart = (
(( Dirent->FileSize
+ DiskAllocSize - 1 )
/ DiskAllocSize )
* DiskAllocSize );
}
DirInfo->FileAttributes = Dirent->Attributes != 0 ?
Dirent->Attributes :
FILE_ATTRIBUTE_NORMAL;
DirInfo->FileIndex = NextVbo;
DirInfo->FileNameLength = FileNameLength;
DebugTrace(0, Dbg, "FatQueryDirectory -> Name = \"%Z\"\n", &Fat8Dot3String);
break;
case FileNamesInformation:
DebugTrace(0, Dbg, "FatQueryDirectory -> Getting file names information\n", 0);
NamesInfo = (PFILE_NAMES_INFORMATION)&Buffer[NextEntry];
NamesInfo->FileIndex = NextVbo;
NamesInfo->FileNameLength = FileNameLength;
DebugTrace(0, Dbg, "FatQueryDirectory -> Name = \"%Z\"\n", &Fat8Dot3String );
break;
default:
FatBugCheck( FileInformationClass, 0, 0 );
}
BytesConverted = BytesRemainingInBuffer - BaseLength >= FileNameLength ?
FileNameLength :
BytesRemainingInBuffer - BaseLength;
RtlCopyMemory( &Buffer[NextEntry + BaseLength],
&LongFileName.Buffer[0],
BytesConverted );
//
// Set up the previous next entry offset
//
*((PULONG)(&Buffer[LastEntry])) = NextEntry - LastEntry;
//
// And indicate how much of the user buffer we have currently
// used up. We must compute this value before we long align
// ourselves for the next entry
//
Irp->IoStatus.Information = QuadAlign( Irp->IoStatus.Information ) +
BaseLength + BytesConverted;
//
// Check for the case that a single entry doesn't fit.
// This should only get this far on the first entry.
//
if (BytesConverted < FileNameLength) {
ASSERT( NextEntry == 0 );
try_return( Status = STATUS_BUFFER_OVERFLOW );
}
}
//
// Finish up by filling in the FileId
//
switch ( FileInformationClass ) {
case FileIdBothDirectoryInformation:
IdBothDirInfo = (PFILE_ID_BOTH_DIR_INFORMATION)&Buffer[NextEntry];
IdBothDirInfo->FileId.QuadPart = FatGenerateFileIdFromDirentAndOffset( Dcb, Dirent, NextVbo );
break;
case FileIdFullDirectoryInformation:
IdFullDirInfo = (PFILE_ID_FULL_DIR_INFORMATION)&Buffer[NextEntry];
IdFullDirInfo->FileId.QuadPart = FatGenerateFileIdFromDirentAndOffset( Dcb, Dirent, NextVbo );
break;
default:
break;
}
} except (EXCEPTION_EXECUTE_HANDLER) {
//
// We had a problem filling in the user's buffer, so stop and
// fail this request. This is the only reason any exception
// would have occured at this level.
//
Irp->IoStatus.Information = 0;
UpdateCcb = FALSE;
try_return( Status = GetExceptionCode());
}
//
// Set ourselves up for the next iteration
//
LastEntry = NextEntry;
NextEntry += (ULONG)QuadAlign(BaseLength + BytesConverted);
CurrentVbo = NextVbo + sizeof( DIRENT );
}
#endif
try_exit: NOTHING;
} finally {
NTSTATUS
NdasFatCommonFlushBuffers (
IN PIRP_CONTEXT IrpContext,
IN PIRP Irp
)
/*++
Routine Description:
This is the common routine for flushing a buffer.
Arguments:
Irp - Supplies the Irp to process
Return Value:
NTSTATUS - The return status for the operation
--*/
{
NTSTATUS Status;
PIO_STACK_LOCATION IrpSp;
PFILE_OBJECT FileObject;
TYPE_OF_OPEN TypeOfOpen;
PVCB Vcb;
PFCB Fcb;
PCCB Ccb;
BOOLEAN VcbAcquired = FALSE;
BOOLEAN FcbAcquired = FALSE;
PDIRENT Dirent;
PBCB DirentBcb = NULL;
PVOLUME_DEVICE_OBJECT volDo = CONTAINING_RECORD( IrpContext->Vcb, VOLUME_DEVICE_OBJECT, Vcb );
BOOLEAN secondarySessionResourceAcquired = FALSE;
PSECONDARY_REQUEST secondaryRequest = NULL;
PNDFS_REQUEST_HEADER ndfsRequestHeader;
PNDFS_WINXP_REQUEST_HEADER ndfsWinxpRequestHeader;
PNDFS_WINXP_REPLY_HEADER ndfsWinxpReplytHeader;
LARGE_INTEGER timeOut;
PAGED_CODE();
IrpSp = IoGetCurrentIrpStackLocation( Irp );
DebugTrace(+1, Dbg, "FatCommonFlushBuffers\n", 0);
DebugTrace( 0, Dbg, "Irp = %08lx\n", Irp);
DebugTrace( 0, Dbg, "->FileObject = %08lx\n", IrpSp->FileObject);
//
// Extract and decode the file object
//
FileObject = IrpSp->FileObject;
TypeOfOpen = FatDecodeFileObject( FileObject, &Vcb, &Fcb, &Ccb );
//
// CcFlushCache is always synchronous, so if we can't wait enqueue
// the irp to the Fsp.
//
if ( !FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) ) {
Status = FatFsdPostRequest( IrpContext, Irp );
DebugTrace(-1, Dbg, "FatCommonFlushBuffers -> %08lx\n", Status );
return Status;
}
Status = STATUS_SUCCESS;
try {
if (!FlagOn(Ccb->NdasFatFlags, ND_FAT_CCB_FLAG_UNOPENED)) {
do {
secondarySessionResourceAcquired
= SecondaryAcquireResourceExclusiveLite( IrpContext,
&volDo->SessionResource,
BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
if (FlagOn(volDo->Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED) ) {
PrintIrp( Dbg2, "SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED", NULL, IrpContext->OriginatingIrp );
NDASFAT_ASSERT( FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
SetFlag( IrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_DONT_POST_REQUEST );
FatRaiseStatus( IrpContext, STATUS_CANT_WAIT );
}
secondaryRequest = AllocateWinxpSecondaryRequest( volDo->Secondary, IRP_MJ_FLUSH_BUFFERS, 0 );
if (secondaryRequest == NULL) {
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
ndfsRequestHeader = &secondaryRequest->NdfsRequestHeader;
INITIALIZE_NDFS_REQUEST_HEADER( ndfsRequestHeader, NDFS_COMMAND_EXECUTE, volDo->Secondary, IRP_MJ_FLUSH_BUFFERS, 0 );
ndfsWinxpRequestHeader = (PNDFS_WINXP_REQUEST_HEADER)(ndfsRequestHeader+1);
ASSERT( ndfsWinxpRequestHeader == (PNDFS_WINXP_REQUEST_HEADER)secondaryRequest->NdfsRequestData );
INITIALIZE_NDFS_WINXP_REQUEST_HEADER( ndfsWinxpRequestHeader,
IrpContext->OriginatingIrp,
IoGetCurrentIrpStackLocation(IrpContext->OriginatingIrp),
Ccb->PrimaryFileHandle );
ASSERT( !ExIsResourceAcquiredSharedLite(&IrpContext->Vcb->Resource) );
secondaryRequest->RequestType = SECONDARY_REQ_SEND_MESSAGE;
QueueingSecondaryRequest( volDo->Secondary, secondaryRequest );
timeOut.QuadPart = -NDASFAT_TIME_OUT;
Status = KeWaitForSingleObject( &secondaryRequest->CompleteEvent, Executive, KernelMode, FALSE, &timeOut );
if (Status != STATUS_SUCCESS) {
ASSERT( NDASFAT_BUG );
break;
}
KeClearEvent (&secondaryRequest->CompleteEvent);
if (BooleanFlagOn(volDo->Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED)) {
NDASFAT_ASSERT( FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
SetFlag( IrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_DONT_POST_REQUEST );
FatRaiseStatus( IrpContext, STATUS_CANT_WAIT );
}
if (secondaryRequest->ExecuteStatus == STATUS_SUCCESS) {
ndfsWinxpReplytHeader = (PNDFS_WINXP_REPLY_HEADER)secondaryRequest->NdfsReplyData;
ASSERT(ndfsWinxpReplytHeader->Status == STATUS_SUCCESS);
}
if (secondaryRequest) {
DereferenceSecondaryRequest( secondaryRequest );
secondaryRequest = NULL;
}
if ( secondarySessionResourceAcquired == TRUE ) {
SecondaryReleaseResourceLite( IrpContext, &volDo->SessionResource );
secondarySessionResourceAcquired = FALSE;
}
break;
} while(0);
}
Status = STATUS_SUCCESS;
//
// Case on the type of open that we are trying to flush
//
switch (TypeOfOpen) {
case VirtualVolumeFile:
case EaFile:
case DirectoryFile:
DebugTrace(0, Dbg, "Flush that does nothing\n", 0);
break;
case UserFileOpen:
DebugTrace(0, Dbg, "Flush User File Open\n", 0);
(VOID)FatAcquireExclusiveFcb( IrpContext, Fcb );
FcbAcquired = TRUE;
FatVerifyFcb( IrpContext, Fcb );
//
// If the file is cached then flush its cache
//
Status = FatFlushFile( IrpContext, Fcb, Flush );
//
// Also update and flush the file's dirent in the parent directory if the
// file flush worked.
//
if (NT_SUCCESS( Status )) {
//
// Insure that we get the filesize to disk correctly. This is
// benign if it was already good.
//
// (why do we need to do this?)
//
SetFlag(FileObject->Flags, FO_FILE_SIZE_CHANGED);
#if 0
FatUpdateDirentFromFcb( IrpContext, FileObject, Fcb, Ccb );
#endif
//
// Flush the volume file to get any allocation information
// updates to disk.
//
if (FlagOn(Fcb->FcbState, FCB_STATE_FLUSH_FAT)) {
Status = FatFlushFat( IrpContext, Vcb );
ClearFlag(Fcb->FcbState, FCB_STATE_FLUSH_FAT);
}
//
// Set the write through bit so that these modifications
// will be completed with the request.
//
SetFlag(IrpContext->Flags, IRP_CONTEXT_FLAG_WRITE_THROUGH);
}
break;
case UserDirectoryOpen:
//
// If the user had opened the root directory then we'll
// oblige by flushing the volume.
//
if (NodeType(Fcb) != FAT_NTC_ROOT_DCB) {
DebugTrace(0, Dbg, "Flush a directory does nothing\n", 0);
break;
}
case UserVolumeOpen:
DebugTrace(0, Dbg, "Flush User Volume Open, or root dcb\n", 0);
//
// Acquire exclusive access to the Vcb.
//
{
BOOLEAN Finished;
Finished = FatAcquireExclusiveVcb( IrpContext, Vcb );
ASSERT( Finished );
}
VcbAcquired = TRUE;
//
// Mark the volume clean and then flush the volume file,
// and then all directories
//
Status = FatFlushVolume( IrpContext, Vcb, Flush );
//
// If the volume was dirty, do the processing that the delayed
// callback would have done.
//
if (FlagOn(Vcb->VcbState, VCB_STATE_FLAG_VOLUME_DIRTY)) {
//
// Cancel any pending clean volumes.
//
(VOID)KeCancelTimer( &Vcb->CleanVolumeTimer );
(VOID)KeRemoveQueueDpc( &Vcb->CleanVolumeDpc );
//
// The volume is now clean, note it.
//
if (!FlagOn(Vcb->VcbState, VCB_STATE_FLAG_MOUNTED_DIRTY)) {
FatMarkVolume( IrpContext, Vcb, VolumeClean );
ClearFlag( Vcb->VcbState, VCB_STATE_FLAG_VOLUME_DIRTY );
}
//
// Unlock the volume if it is removable.
//
if (FlagOn(Vcb->VcbState, VCB_STATE_FLAG_REMOVABLE_MEDIA) &&
!FlagOn(Vcb->VcbState, VCB_STATE_FLAG_BOOT_OR_PAGING_FILE)) {
FatToggleMediaEjectDisable( IrpContext, Vcb, FALSE );
}
}
break;
default:
FatBugCheck( TypeOfOpen, 0, 0 );
}
FatUnpinBcb( IrpContext, DirentBcb );
FatUnpinRepinnedBcbs( IrpContext );
} finally {
DebugUnwind( FatCommonFlushBuffers );
if (secondaryRequest)
DereferenceSecondaryRequest( secondaryRequest );
if (secondarySessionResourceAcquired) {
SecondaryReleaseResourceLite( IrpContext, &volDo->SessionResource );
}
FatUnpinBcb( IrpContext, DirentBcb );
if (VcbAcquired) { FatReleaseVcb( IrpContext, Vcb ); }
if (FcbAcquired) { FatReleaseFcb( IrpContext, Fcb ); }
//
// If this is a normal termination then pass the request on
// to the target device object.
//
if (!AbnormalTermination()) {
NTSTATUS DriverStatus;
PIO_STACK_LOCATION NextIrpSp;
//
// Get the next stack location, and copy over the stack location
//
NextIrpSp = IoGetNextIrpStackLocation( Irp );
*NextIrpSp = *IrpSp;
//
// Set up the completion routine
//
IoSetCompletionRoutine( Irp,
FatFlushCompletionRoutine,
ULongToPtr( Status ),
TRUE,
TRUE,
TRUE );
//
// Send the request.
//
DriverStatus = IoCallDriver(Vcb->TargetDeviceObject, Irp);
Status = (DriverStatus == STATUS_INVALID_DEVICE_REQUEST) ?
Status : DriverStatus;
//
// Free the IrpContext and return to the caller.
//
FatCompleteRequest( IrpContext, FatNull, STATUS_SUCCESS );
}
DebugTrace(-1, Dbg, "FatCommonFlushBuffers -> %08lx\n", Status);
}
return Status;
}
NTSTATUS
FatFsdCleanup (
IN PVOLUME_DEVICE_OBJECT VolumeDeviceObject,
IN PIRP Irp
)
/*++
Routine Description:
This routine implements the FSD part of closing down a handle to a
file object.
Arguments:
VolumeDeviceObject - Supplies the volume device object where the
file being Cleanup exists
Irp - Supplies the Irp being processed
Return Value:
NTSTATUS - The FSD status for the IRP
--*/
{
NTSTATUS Status;
PIRP_CONTEXT IrpContext = NULL;
BOOLEAN TopLevel;
PAGED_CODE();
#if __NDAS_FAT__
if ((PVOID)FatControlDeviceObject == VolumeDeviceObject) {
Status = Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = FILE_OPENED;
IoCompleteRequest( Irp, IO_DISK_INCREMENT );
return Status;
}
#endif
//
// 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;
}
DebugTrace(+1, Dbg, "FatFsdCleanup\n", 0);
//
// Call the common Cleanup routine, with blocking allowed.
//
FsRtlEnterFileSystem();
TopLevel = FatIsIrpTopLevel( Irp );
#if (__NDAS_FAT_PRIMARY__ || __NDAS_FAT_SECONDARY__)
do {
try {
if (IrpContext == NULL) {
IrpContext = FatCreateIrpContext( Irp, TRUE );
IrpContext->TopLevel = TopLevel;
#if __NDAS_FAT_PRIMARY__
{
ULONG_PTR stackBottom;
ULONG_PTR stackTop;
BOOLEAN validPrimaryRequest = FALSE;
PPRIMARY_REQUEST_INFO primaryRequestInfo;
PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation( Irp );
//primaryRequestInfo = (PPRIMARY_REQUEST_INFO)FatGetTopLevelContext()->SavedTopLevelIrp;
primaryRequestInfo = (PPRIMARY_REQUEST_INFO)IoGetTopLevelIrp();
IoGetStackLimits( &stackTop, &stackBottom );
if ( (ULONG_PTR)primaryRequestInfo <= stackBottom - sizeof(PRIMARY_REQUEST_INFO) &&
(ULONG_PTR) primaryRequestInfo >= stackTop &&
(!FlagOn( (ULONG_PTR) primaryRequestInfo, 0x3 )) &&
primaryRequestInfo->PrimaryTag == 0xe2027482) {
validPrimaryRequest = TRUE;
}
if (validPrimaryRequest) {
//ASSERT( FatIsTopLevelRequest(IrpContext) );
IoSetTopLevelIrp( NULL );
TopLevel = FatIsIrpTopLevel( Irp );
ClearFlag( IrpContext->Flags, IRP_CONTEXT_FLAG_RECURSIVE_CALL );
if (IsListEmpty(&VolumeDeviceObject->PrimarySessionQueue)) {
NDASFAT_ASSERT( FALSE );
}
IrpContext->PrimaryRequestInfo = *primaryRequestInfo;
DebugTrace2( 0, Dbg, ("primaryRequestInfo = %p\n", primaryRequestInfo) );
}
}
#endif
}
#if __NDAS_FAT_SECONDARY__
if (IS_SECONDARY_FILEOBJECT(IoGetCurrentIrpStackLocation(Irp)->FileObject)) {
BOOLEAN secondaryResourceAcquired = FALSE;
BOOLEAN secondaryRecoveryResourceAcquired = FALSE;
ASSERT( FatIsTopLevelRequest(IrpContext) );
SetFlag( IrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_SECONDARY_CONTEXT );
Status = STATUS_SUCCESS;
while (TRUE) {
ASSERT( secondaryRecoveryResourceAcquired == FALSE );
ASSERT( secondaryResourceAcquired == FALSE );
if (FlagOn(VolumeDeviceObject->Secondary->Flags, SECONDARY_FLAG_RECONNECTING)) {
if (!FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT)) {
Status = FatFsdPostRequest( IrpContext, Irp );
break;
}
}
if (FlagOn(VolumeDeviceObject->Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED)) {
if (!FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT)) {
Status = FatFsdPostRequest( IrpContext, Irp );
break;
}
secondaryRecoveryResourceAcquired
= SecondaryAcquireResourceExclusiveLite( IrpContext,
&VolumeDeviceObject->RecoveryResource,
BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
if (!FlagOn(VolumeDeviceObject->Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED) ) {
SecondaryReleaseResourceLite( IrpContext, &VolumeDeviceObject->RecoveryResource );
secondaryRecoveryResourceAcquired = FALSE;
continue;
}
secondaryResourceAcquired
= SecondaryAcquireResourceExclusiveLite( IrpContext,
&VolumeDeviceObject->Resource,
BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
try {
SecondaryRecoverySessionStart( VolumeDeviceObject->Secondary, IrpContext );
} finally {
SecondaryReleaseResourceLite( IrpContext, &VolumeDeviceObject->Resource );
secondaryResourceAcquired = FALSE;
SecondaryReleaseResourceLite( IrpContext, &VolumeDeviceObject->RecoveryResource );
secondaryRecoveryResourceAcquired = FALSE;
}
continue;
}
secondaryResourceAcquired
= SecondaryAcquireResourceSharedLite( IrpContext,
&VolumeDeviceObject->Resource,
BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
if (secondaryResourceAcquired == FALSE) {
ASSERT( FlagOn(VolumeDeviceObject->Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED) ||
FlagOn(VolumeDeviceObject->Secondary->Flags, SECONDARY_FLAG_RECONNECTING) );
continue;
}
break;
}
if (Status == STATUS_SUCCESS) {
try {
Status = FatCommonCleanup( IrpContext, Irp );
} finally {
ASSERT( ExIsResourceAcquiredSharedLite(&VolumeDeviceObject->Resource) );
SecondaryReleaseResourceLite( NULL, &VolumeDeviceObject->Resource );
}
}
} else
Status = FatCommonCleanup( IrpContext, Irp );
#else
Status = FatCommonCleanup( IrpContext, Irp );
#endif
} except(FatExceptionFilter( IrpContext, 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, GetExceptionCode() );
}
} while (Status == STATUS_CANT_WAIT);
NTSTATUS
SecondaryRecoverySessionStart (
IN PSECONDARY Secondary,
IN PIRP_CONTEXT IrpContext
)
{
NTSTATUS status;
OBJECT_ATTRIBUTES objectAttributes;
LARGE_INTEGER timeOut;
if (Secondary->RecoveryThreadHandle)
return STATUS_SUCCESS;
ASSERT( ExIsResourceAcquiredExclusiveLite(&Secondary->VolDo->RecoveryResource) &&
ExIsResourceAcquiredExclusiveLite(&Secondary->VolDo->Resource) );
ASSERT( IrpContext != NULL );
ASSERT( FatIsTopLevelRequest(IrpContext) /*||
FatIsTopLevelFat( IrpContext) && FatGetTopLevelContext()->SavedTopLevelIrp == (PIRP)FSRTL_FSP_TOP_LEVEL_IRP ||
FlagOn(IrpContext->State, IRP_CONTEXT_STATE_IN_FSP)*/ );
if (IrpContext->OriginatingIrp)
PrintIrp( Dbg2, "SecondaryRecoverySessionStart", NULL, IrpContext->OriginatingIrp );
if (FlagOn(Secondary->VolDo->NdasFatFlags, ND_FAT_DEVICE_FLAG_SHUTDOWN)) {
//DebugTrace2( 0, Dbg2, ("SecondaryToPrimary ND_FAT_DEVICE_FLAG_SHUTDOWN\n") );
//DbgPrint( "SecondaryToPrimary ND_FAT_DEVICE_FLAG_SHUTDOWN\n" );
FatRaiseStatus( IrpContext, STATUS_TOO_LATE );
}
InitializeObjectAttributes( &objectAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL );
status = PsCreateSystemThread( &Secondary->RecoveryThreadHandle,
THREAD_ALL_ACCESS,
&objectAttributes,
NULL,
NULL,
SecondaryRecoveryThreadProc,
Secondary );
if (!NT_SUCCESS(status)) {
NDASFAT_ASSERT( FALSE );
return status;
}
timeOut.QuadPart = -NDASFAT_TIME_OUT;
status = KeWaitForSingleObject( &Secondary->RecoveryReadyEvent,
Executive,
KernelMode,
FALSE,
&timeOut );
if (status != STATUS_SUCCESS) {
NDASFAT_ASSERT( FALSE );
return status;
}
KeClearEvent( &Secondary->RecoveryReadyEvent );
if (IrpContext->OriginatingIrp)
PrintIrp( Dbg2, "SecondaryRecoverySessionStart returned", NULL, IrpContext->OriginatingIrp );
//status = SecondaryRecoverySession( Secondary, IrpContext );
return status;
}
VOID
SecondaryRecoveryThreadProc (
IN PSECONDARY Secondary
)
{
NTSTATUS status;
BOOLEAN secondaryResourceAcquired = FALSE;
BOOLEAN secondaryRecoveryResourceAcquired = FALSE;
ASSERT( KeGetCurrentIrql() == PASSIVE_LEVEL );
DebugTrace2( 0, Dbg2, ("SecondaryRecoveryThreadProc: Start Secondary = %p\n", Secondary) );
Secondary_Reference( Secondary );
FsRtlEnterFileSystem();
KeSetEvent( &Secondary->RecoveryReadyEvent, IO_DISK_INCREMENT, FALSE );
try {
secondaryRecoveryResourceAcquired
= SecondaryAcquireResourceExclusiveLite( NULL,
&Secondary->VolDo->RecoveryResource,
TRUE );
if (!FlagOn(Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED) ) {
NDASFAT_ASSERT( FALSE );
SecondaryReleaseResourceLite( NULL, &Secondary->VolDo->RecoveryResource );
secondaryRecoveryResourceAcquired = FALSE;
leave;
}
secondaryResourceAcquired
= SecondaryAcquireResourceExclusiveLite( NULL,
&Secondary->VolDo->Resource,
TRUE );
try {
status = SecondaryRecoverySession( Secondary );
} finally {
SecondaryReleaseResourceLite( NULL, &Secondary->VolDo->Resource );
secondaryResourceAcquired = FALSE;
SecondaryReleaseResourceLite( NULL, &Secondary->VolDo->RecoveryResource );
secondaryRecoveryResourceAcquired = FALSE;
}
} finally {
if (secondaryResourceAcquired)
SecondaryReleaseResourceLite( NULL, &Secondary->VolDo->Resource );
if (secondaryRecoveryResourceAcquired)
SecondaryReleaseResourceLite( NULL, &Secondary->VolDo->RecoveryResource );
Secondary->RecoveryThreadHandle = NULL;
FsRtlExitFileSystem();
Secondary_Dereference( Secondary );
DebugTrace2( 0, Dbg2, ("SecondaryRecoveryThreadProc: Terminated Secondary = %p\n", Secondary) );
}
PsTerminateSystemThread( STATUS_SUCCESS );
}
NTSTATUS
SecondaryRecoverySession (
IN PSECONDARY Secondary
)
{
NTSTATUS status;
LONG slotIndex;
LARGE_INTEGER timeOut;
OBJECT_ATTRIBUTES objectAttributes;
ULONG reconnectionTry;
PLIST_ENTRY ccblistEntry;
BOOLEAN isLocalAddress;
DebugTrace2( 0, Dbg2, ("SecondaryRecoverySession: Called Secondary = %p\n", Secondary) );
SetFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
ASSERT( FlagOn(Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_REMOTE_DISCONNECTED) );
ASSERT( Secondary->ThreadHandle );
ASSERT( IsListEmpty(&Secondary->RequestQueue) );
for (slotIndex=0; slotIndex < Secondary->Thread.SessionContext.SessionSlotCount; slotIndex++) {
ASSERT( Secondary->Thread.SessionSlot[slotIndex] == NULL );
}
if (Secondary->ThreadHandle) {
ASSERT( Secondary->ThreadObject );
timeOut.QuadPart = -NDASFAT_TIME_OUT;
status = KeWaitForSingleObject( Secondary->ThreadObject,
Executive,
KernelMode,
FALSE,
&timeOut );
if (status != STATUS_SUCCESS) {
NDASFAT_ASSERT( FALSE );
ClearFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
return status;
}
DebugTrace2( 0, Dbg2, ("Secondary_Stop: thread stoped\n") );
ObDereferenceObject( Secondary->ThreadObject );
Secondary->ThreadHandle = 0;
Secondary->ThreadObject = 0;
RtlZeroMemory( &Secondary->Thread.Flags, sizeof(SECONDARY) - FIELD_OFFSET(SECONDARY, Thread.Flags) );
}
for (status = STATUS_UNSUCCESSFUL, reconnectionTry = 0; reconnectionTry < MAX_RECONNECTION_TRY; reconnectionTry++) {
if (FlagOn(Secondary->VolDo->Vcb.VcbState, VCB_STATE_FLAG_LOCKED)) {
ClearFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
return STATUS_UNSUCCESSFUL;
}
if (FlagOn(Secondary->VolDo->Vcb.VcbState, VCB_STATE_FLAG_SHUTDOWN)) {
ClearFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
return STATUS_UNSUCCESSFUL;
}
if (FlagOn(Secondary->VolDo->Vcb.VcbState, VCB_STATE_FLAG_SHUTDOWN)) {
ClearFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
return STATUS_UNSUCCESSFUL;
}
if (FlagOn(Secondary->VolDo->NdasFatFlags, ND_FAT_DEVICE_FLAG_SHUTDOWN)) {
ClearFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
return STATUS_UNSUCCESSFUL;
}
if (Secondary->VolDo->NetdiskEnableMode == NETDISK_SECONDARY2PRIMARY) {
status = STATUS_SUCCESS;
} else {
status = ((PVOLUME_DEVICE_OBJECT) FatData.DiskFileSystemDeviceObject)->
NdfsCallback.SecondaryToPrimary( Secondary->VolDo->Vcb.Vpb->RealDevice, TRUE );
if (status == STATUS_NO_SUCH_DEVICE) {
NDASFAT_ASSERT( FlagOn(Secondary->VolDo->Vcb.VcbState, VCB_STATE_FLAG_LOCKED) );
ClearFlag( Secondary->Flags, SECONDARY_FLAG_RECONNECTING );
return STATUS_UNSUCCESSFUL;
}
}
//FatDebugTraceLevel = 0;
DebugTrace2( 0, Dbg2, ("SecondaryToPrimary status = %x\n", status) );
#if 0
if (queryResult == TRUE) {
BOOLEAN result0, result1;
IRP_CONTEXT IrpContext;
ASSERT( Secondary->VolDo->Vcb.VirtualVolumeFile );
result0 = CcPurgeCacheSection( &Secondary->VolDo->Vcb.SectionObjectPointers,
NULL,
0,
FALSE );
ASSERT( Secondary->VolDo->Vcb.RootDcb->Specific.Dcb.DirectoryFile );
result1 = CcPurgeCacheSection( &Secondary->VolDo->Vcb.RootDcb->NonPaged->SectionObjectPointers,
NULL,
0,
FALSE );
ASSERT( result0 == TRUE );
ASSERT( result1 == TRUE );
ASSERT(KeGetCurrentIrql() < DISPATCH_LEVEL);
RtlZeroMemory( &IrpContext, sizeof(IRP_CONTEXT) );
SetFlag(IrpContext.Flags, IRP_CONTEXT_FLAG_WAIT);
FatTearDownAllocationSupport ( &IrpContext, &Secondary->VolDo->Vcb );
FatSetupAllocationSupport( &IrpContext, &Secondary->VolDo->Vcb );
FatCheckDirtyBit( &IrpContext, &Secondary->VolDo->Vcb );
ASSERT( IrpContext.Repinned.Bcb[0] == NULL );
FatUnpinRepinnedBcbs( &IrpContext );
Secondary->VolDo->NetdiskEnableMode = NETDISK_SECONDARY2PRIMARY;
Secondary->VolDo->SecondaryState = CONNECT_TO_LOCAL_STATE;
}
#endif
if (status == STATUS_SUCCESS) {
PVCB vcb = &Secondary->VolDo->Vcb;
#if 0
TOP_LEVEL_CONTEXT topLevelContext;
PTOP_LEVEL_CONTEXT threadTopLevelContext;
#endif
IRP_CONTEXT tempIrpContext2;
PIRP_CONTEXT tempIrpContext = NULL;
SetFlag( Secondary->Flags, SECONDARY_FLAG_CLEANUP_VOLUME );
ASSERT( !ExIsResourceAcquiredExclusiveLite(&FatData.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(&FatData.Resource) );
ASSERT( !ExIsResourceAcquiredExclusiveLite(&vcb->SecondaryResource) );
ASSERT( !ExIsResourceAcquiredSharedLite(&vcb->SecondaryResource) );
//FatReleaseAllResources( IrpContext );
//ObReferenceObject( vcb->TargetDeviceObject );
DebugTrace2( 0, Dbg2, ("Vcb->State = %X\n", vcb->VcbState) );
DebugTrace2( 0, Dbg2, ("Vcb->Vpb->ReferenceCount = %X\n", vcb->Vpb->ReferenceCount) );
DebugTrace2( 0, Dbg2, ("Vcb->TargetDeviceObject->ReferenceCount = %X\n", vcb->TargetDeviceObject->ReferenceCount) );
tempIrpContext = NULL;
#if 0
threadTopLevelContext = FatInitializeTopLevelIrp( &topLevelContext, TRUE, FALSE );
ASSERT( threadTopLevelContext == &topLevelContext );
FatInitializeIrpContext( NULL, TRUE, &tempIrpContext );
FatUpdateIrpContextWithTopLevel( tempIrpContext, threadTopLevelContext );
ASSERT( FlagOn(tempIrpContext->State, IRP_CONTEXT_STATE_OWNS_TOP_LEVEL) );
#endif
tempIrpContext = &tempIrpContext2;
RtlZeroMemory( tempIrpContext, sizeof(IRP_CONTEXT) );
SetFlag( tempIrpContext->Flags, IRP_CONTEXT_FLAG_WAIT );
SetFlag( tempIrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_SECONDARY_CONTEXT );
tempIrpContext->MajorFunction = IRP_MJ_FILE_SYSTEM_CONTROL;
tempIrpContext->MinorFunction = IRP_MN_MOUNT_VOLUME;
tempIrpContext->Vcb = vcb;
ASSERT( KeGetCurrentIrql() == PASSIVE_LEVEL );
try {
status = STATUS_UNSUCCESSFUL;
status = CleanUpVcb( tempIrpContext, vcb );
} finally {
//FatCompleteRequest( tempIrpContext, NULL, 0 );
//ASSERT( IoGetTopLevelIrp() != (PIRP) &topLevelContext );
tempIrpContext = NULL;
}
ASSERT( KeGetCurrentIrql() == PASSIVE_LEVEL );
ASSERT( status == STATUS_SUCCESS );
//ASSERT( FlagOn(vcb->VcbState, VCB_STATE_MOUNT_COMPLETED) );
ASSERT( FlagOn(Secondary->VolDo->NdasFatFlags, ND_FAT_DEVICE_FLAG_MOUNTED) );
ASSERT( !ExIsResourceAcquiredExclusiveLite(&FatData.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(&FatData.Resource) );
ASSERT( !ExIsResourceAcquiredExclusiveLite(&vcb->SecondaryResource) );
ASSERT( !ExIsResourceAcquiredSharedLite(&vcb->SecondaryResource) );
ClearFlag( Secondary->Flags, SECONDARY_FLAG_CLEANUP_VOLUME );
DebugTrace2( 0, Dbg2, ("Vcb->TargetDeviceObject->ReferenceCount = %X\n", vcb->TargetDeviceObject->ReferenceCount) );
DebugTrace2( 0, Dbg2, ("Vcb->Vpb->ReferenceCount = %X\n", vcb->Vpb->ReferenceCount) );
DebugTrace2( 0, Dbg2, ("Vcb->CloseCount = %d\n", vcb->OpenFileCount) );
#if 0
tempIrpContext = NULL;
threadTopLevelContext = FatInitializeTopLevelIrp( &topLevelContext, TRUE, FALSE );
ASSERT( threadTopLevelContext == &topLevelContext );
FatInitializeIrpContext( NULL, TRUE, &tempIrpContext );
FatUpdateIrpContextWithTopLevel( tempIrpContext, threadTopLevelContext );
ASSERT( FlagOn(tempIrpContext->State, IRP_CONTEXT_STATE_OWNS_TOP_LEVEL) );
#endif
Secondary->VolDo->NetdiskEnableMode = NETDISK_SECONDARY2PRIMARY;
tempIrpContext = &tempIrpContext2;
RtlZeroMemory( tempIrpContext, sizeof(IRP_CONTEXT) );
SetFlag( tempIrpContext->Flags, IRP_CONTEXT_FLAG_WAIT );
SetFlag( tempIrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_SECONDARY_CONTEXT );
tempIrpContext->MajorFunction = IRP_MJ_FILE_SYSTEM_CONTROL;
tempIrpContext->MinorFunction = IRP_MN_MOUNT_VOLUME;
tempIrpContext->Vcb = vcb;
SetFlag( Secondary->Flags, SECONDARY_FLAG_REMOUNT_VOLUME );
try {
status = STATUS_UNSUCCESSFUL;
status = NdasFatMountVolume( tempIrpContext, vcb->TargetDeviceObject, vcb->Vpb, NULL );
} finally {
//FatCompleteRequest( tempIrpContext, NULL, 0 );
//ASSERT( IoGetTopLevelIrp() != (PIRP) &topLevelContext );
tempIrpContext = NULL;
}
//ObDereferenceObject( vcb->TargetDeviceObject );
//FatDebugTraceLevel = 0xFFFFFFFFFFFFFFFF;
//FatDebugTraceLevel |= DEBUG_TRACE_CREATE;
ClearFlag( Secondary->Flags, SECONDARY_FLAG_REMOUNT_VOLUME );
ASSERT( status == STATUS_SUCCESS );
ASSERT( !ExIsResourceAcquiredExclusiveLite(&FatData.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(&FatData.Resource) );
ASSERT( !ExIsResourceAcquiredExclusiveLite(&vcb->Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(&vcb->Resource) );
DebugTrace2( 0, Dbg2, ("Vcb->TargetDeviceObject->ReferenceCount = %X\n", vcb->TargetDeviceObject->ReferenceCount) );
DebugTrace2( 0, Dbg2, ("Vcb->Vpb->ReferenceCount = %X\n", vcb->Vpb->ReferenceCount) );
DebugTrace2( 0, Dbg2, ("Vcb->CloseCount = %d\n", vcb->OpenFileCount) );
#if 0
if (vcb->MftScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->MftScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->MftScb->Header.Resource) );
}
if (vcb->Mft2Scb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->Mft2Scb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->Mft2Scb->Header.Resource) );
}
if (vcb->LogFileScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->LogFileScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->LogFileScb->Header.Resource) );
}
if (vcb->VolumeDasdScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->VolumeDasdScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->VolumeDasdScb->Header.Resource) );
}
if (vcb->AttributeDefTableScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->AttributeDefTableScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->AttributeDefTableScb->Header.Resource) );
}
if (vcb->UpcaseTableScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->UpcaseTableScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->UpcaseTableScb->Header.Resource) );
}
if (vcb->RootIndexScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->RootIndexScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->RootIndexScb->Header.Resource) );
}
if (vcb->BitmapScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->BitmapScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->BitmapScb->Header.Resource) );
}
if (vcb->BadClusterFileScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->BadClusterFileScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->BadClusterFileScb->Header.Resource) );
}
if (vcb->MftBitmapScb) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->MftBitmapScb->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->MftBitmapScb->Header.Resource) );
}
if (vcb->SecurityDescriptorStream) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->SecurityDescriptorStream->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->SecurityDescriptorStream->Header.Resource) );
}
if (vcb->UsnJournal) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->UsnJournal->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->UsnJournal->Header.Resource) );
}
if (vcb->ExtendDirectory) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->ExtendDirectory->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->ExtendDirectory->Header.Resource) );
}
if (vcb->SecurityDescriptorHashIndex) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->SecurityDescriptorHashIndex->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->SecurityDescriptorHashIndex->Header.Resource) );
}
if (vcb->SecurityIdIndex) {
ASSERT( !ExIsResourceAcquiredExclusiveLite(vcb->SecurityIdIndex->Header.Resource) );
ASSERT( !ExIsResourceAcquiredSharedLite(vcb->SecurityIdIndex->Header.Resource) );
}
#endif
}
status = ((PVOLUME_DEVICE_OBJECT) FatData.DiskFileSystemDeviceObject)->
NdfsCallback.QueryPrimaryAddress( &Secondary->VolDo->NetdiskPartitionInformation, &Secondary->PrimaryAddress, &isLocalAddress );
DebugTrace2( 0, Dbg2, ("RecoverSession: LfsTable_QueryPrimaryAddress status = %X\n", status) );
if (status == STATUS_SUCCESS && !(Secondary->VolDo->NetdiskEnableMode == NETDISK_SECONDARY && isLocalAddress)) {
DebugTrace2( 0, Dbg, ("SecondaryRecoverySessionStart: Found PrimaryAddress :%02x:%02x:%02x:%02x:%02x:%02x/%d\n",
Secondary->PrimaryAddress.Node[0],
Secondary->PrimaryAddress.Node[1],
Secondary->PrimaryAddress.Node[2],
Secondary->PrimaryAddress.Node[3],
Secondary->PrimaryAddress.Node[4],
Secondary->PrimaryAddress.Node[5],
NTOHS(Secondary->PrimaryAddress.Port)) );
} else {
//ASSERT( FALSE );
continue;
}
KeInitializeEvent( &Secondary->ReadyEvent, NotificationEvent, FALSE );
KeInitializeEvent( &Secondary->RequestEvent, NotificationEvent, FALSE );
InitializeObjectAttributes(&objectAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
status = PsCreateSystemThread( &Secondary->ThreadHandle,
THREAD_ALL_ACCESS,
&objectAttributes,
NULL,
NULL,
SecondaryThreadProc,
Secondary );
if (!NT_SUCCESS(status)) {
ASSERT( NDASFAT_UNEXPECTED );
break;
}
status = ObReferenceObjectByHandle( Secondary->ThreadHandle,
FILE_READ_DATA,
NULL,
KernelMode,
&Secondary->ThreadObject,
NULL );
if (!NT_SUCCESS(status)) {
ASSERT (NDASFAT_INSUFFICIENT_RESOURCES );
break;
}
timeOut.QuadPart = -NDASFAT_TIME_OUT;
status = KeWaitForSingleObject( &Secondary->ReadyEvent,
Executive,
KernelMode,
FALSE,
&timeOut );
if (status != STATUS_SUCCESS) {
ASSERT( NDASFAT_BUG );
break;
}
KeClearEvent( &Secondary->ReadyEvent );
InterlockedIncrement( &Secondary->SessionId );
ExAcquireFastMutex( &Secondary->FastMutex );
if (!FlagOn(Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_START) || FlagOn(Secondary->Thread.Flags, SECONDARY_THREAD_FLAG_STOPED)) {
ExReleaseFastMutex( &Secondary->FastMutex );
if (Secondary->Thread.SessionStatus == STATUS_DISK_CORRUPT_ERROR) {
status = STATUS_SUCCESS;
break;
}
timeOut.QuadPart = -NDASFAT_TIME_OUT;
status = KeWaitForSingleObject( Secondary->ThreadObject,
Executive,
KernelMode,
FALSE,
&timeOut );
if (status != STATUS_SUCCESS) {
ASSERT( NDASFAT_BUG );
return status;
}
DebugTrace2( 0, Dbg, ("Secondary_Stop: thread stoped\n") );
ObDereferenceObject( Secondary->ThreadObject );
Secondary->ThreadHandle = 0;
Secondary->ThreadObject = 0;
RtlZeroMemory( &Secondary->Thread.Flags, sizeof(SECONDARY) - FIELD_OFFSET(SECONDARY, Thread.Flags) );
continue;
}
ExReleaseFastMutex( &Secondary->FastMutex );
status = STATUS_SUCCESS;
DebugTrace2( 0, Dbg2, ("SecondaryRecoverySession Success Secondary = %p\n", Secondary) );
break;
}
NTSTATUS
FatProcessException (
IN PIRP_CONTEXT IrpContext,
IN PIRP Irp,
IN NTSTATUS ExceptionCode
)
/*++
Routine Description:
This routine process an exception. It either completes the request
with the saved exception status or it sends it off to IoRaiseHardError()
Arguments:
Irp - Supplies the Irp being processed
ExceptionCode - Supplies the normalized exception status being handled
Return Value:
NTSTATUS - Returns the results of either posting the Irp or the
saved completion status.
--*/
{
PVCB Vcb;
PIO_STACK_LOCATION IrpSp;
FAT_VOLUME_STATE TransitionState = VolumeDirty;
ULONG SavedFlags;
PAGED_CODE();
DebugTrace(0, Dbg, "FatProcessException\n", 0);
//
// If there is not an irp context, we must have had insufficient resources.
//
if ( !ARGUMENT_PRESENT( IrpContext ) ) {
FatCompleteRequest( FatNull, Irp, ExceptionCode );
return ExceptionCode;
}
//
// Get the real exception status from IrpContext->ExceptionStatus, and
// reset it.
//
ExceptionCode = IrpContext->ExceptionStatus;
FatResetExceptionState( IrpContext );
//
// If this is an Mdl write request, then take care of the Mdl
// here so that things get cleaned up properly. Cc now leaves
// the MDL in place so a filesystem can retry after clearing an
// internal condition (FAT does not).
//
#if __NDAS_FAT_WIN2K_SUPPORT__
if (NdasFatCcMdlWriteAbort &&
(IrpContext->MajorFunction == IRP_MJ_WRITE) &&
(FlagOn( IrpContext->MinorFunction, IRP_MN_COMPLETE_MDL ) == IRP_MN_COMPLETE_MDL) &&
(Irp->MdlAddress != NULL)) {
PIO_STACK_LOCATION LocalIrpSp = IoGetCurrentIrpStackLocation(Irp);
NdasFatCcMdlWriteAbort( LocalIrpSp->FileObject, Irp->MdlAddress );
Irp->MdlAddress = NULL;
}
#else
if ((IrpContext->MajorFunction == IRP_MJ_WRITE) &&
(FlagOn( IrpContext->MinorFunction, IRP_MN_COMPLETE_MDL ) == IRP_MN_COMPLETE_MDL) &&
(Irp->MdlAddress != NULL)) {
PIO_STACK_LOCATION LocalIrpSp = IoGetCurrentIrpStackLocation(Irp);
CcMdlWriteAbort( LocalIrpSp->FileObject, Irp->MdlAddress );
Irp->MdlAddress = NULL;
}
#endif
//
// If we are going to post the request, we may have to lock down the
// user's buffer, so do it here in a try except so that we failed the
// request if the LockPages fails.
//
// Also unpin any repinned Bcbs, protected by the try {} except {} filter.
//
try {
SavedFlags = IrpContext->Flags;
//
// Make sure we don't try to write through Bcbs
//
SetFlag(IrpContext->Flags, IRP_CONTEXT_FLAG_DISABLE_WRITE_THROUGH);
FatUnpinRepinnedBcbs( IrpContext );
IrpContext->Flags = SavedFlags;
//
// If we will have to post the request, do it here. Note
// that the last thing FatPrePostIrp() does is mark the Irp pending,
// so it is critical that we actually return PENDING. Nothing
// from this point to return can fail, so we are OK.
//
// We cannot do a verify operations at APC level because we
// have to wait for Io operations to complete.
//
#if __NDAS_FAT__
if (!FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_RECURSIVE_CALL) &&
(((ExceptionCode == STATUS_VERIFY_REQUIRED) && (NdasFatKeAreAllApcsDisabled ? NdasFatKeAreAllApcsDisabled() : KeGetCurrentIrql() >= APC_LEVEL)) ||
!FlagOn(IrpContext->NdasFatFlags, NDAS_FAT_IRP_CONTEXT_FLAG_DONT_POST_REQUEST) && (ExceptionCode == STATUS_CANT_WAIT))) {
NDASFAT_ASSERT( !FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT) );
ExceptionCode = FatFsdPostRequest( IrpContext, Irp );
}
#else
if (!FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_RECURSIVE_CALL) &&
(((ExceptionCode == STATUS_VERIFY_REQUIRED) && KeAreAllApcsDisabled()) ||
(ExceptionCode == STATUS_CANT_WAIT))) {
ExceptionCode = FatFsdPostRequest( IrpContext, Irp );
}
#endif
}
except( FatExceptionFilter( IrpContext, GetExceptionInformation() ) ) {
ExceptionCode = IrpContext->ExceptionStatus;
IrpContext->ExceptionStatus = 0;
IrpContext->Flags = SavedFlags;
}
//
// If we posted the request, just return here.
//
if (ExceptionCode == STATUS_PENDING) {
return ExceptionCode;
}
#if (__NDAS_FAT_PRIMARY__ || __NDAS_FAT_SECONDARY__)
if (ExceptionCode == STATUS_CANT_WAIT) {
IrpContext->OriginalIrpIoStatus = Irp->IoStatus;
}
#endif
Irp->IoStatus.Status = ExceptionCode;
//
// If this request is not a "top-level" irp, just complete it.
//
if (FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_RECURSIVE_CALL)) {
//
// If there is a cache operation above us, commute verify
// to a lock conflict. This will cause retries so that
// we have a chance of getting through without needing
// to return an unaesthetic error for the operation.
//
if (IoGetTopLevelIrp() == (PIRP)FSRTL_CACHE_TOP_LEVEL_IRP &&
ExceptionCode == STATUS_VERIFY_REQUIRED) {
ExceptionCode = STATUS_FILE_LOCK_CONFLICT;
}
FatCompleteRequest( IrpContext, Irp, ExceptionCode );
return ExceptionCode;
}
if (IoIsErrorUserInduced(ExceptionCode)) {
//
// Check for the various error conditions that can be caused by,
// and possibly resolved by the user.
//
if (ExceptionCode == STATUS_VERIFY_REQUIRED) {
PDEVICE_OBJECT Device;
DebugTrace(0, Dbg, "Perform Verify Operation\n", 0);
//
// Now we are at the top level file system entry point.
//
// Grab the device to verify from the thread local storage
// and stick it in the information field for transportation
// to the fsp. We also clear the field at this time.
//
Device = IoGetDeviceToVerify( Irp->Tail.Overlay.Thread );
IoSetDeviceToVerify( Irp->Tail.Overlay.Thread, NULL );
if ( Device == NULL ) {
Device = IoGetDeviceToVerify( PsGetCurrentThread() );
IoSetDeviceToVerify( PsGetCurrentThread(), NULL );
ASSERT( Device != NULL );
}
//
// Let's not BugCheck just because the driver messed up.
//
if (Device == NULL) {
ExceptionCode = STATUS_DRIVER_INTERNAL_ERROR;
FatCompleteRequest( IrpContext, Irp, ExceptionCode );
return ExceptionCode;
}
//
// FatPerformVerify() will do the right thing with the Irp.
return FatPerformVerify( IrpContext, Irp, Device );
}
//
// The other user induced conditions generate an error unless
// they have been disabled for this request.
//
if (FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_DISABLE_POPUPS)) {
FatCompleteRequest( IrpContext, Irp, ExceptionCode );
return ExceptionCode;
} else {
//
// Generate a pop-up
//
PDEVICE_OBJECT RealDevice;
PVPB Vpb;
PETHREAD Thread;
if (IoGetCurrentIrpStackLocation(Irp)->FileObject != NULL) {
Vpb = IoGetCurrentIrpStackLocation(Irp)->FileObject->Vpb;
} else {
Vpb = NULL;
}
//
// The device to verify is either in my thread local storage
// or that of the thread that owns the Irp.
//
Thread = Irp->Tail.Overlay.Thread;
RealDevice = IoGetDeviceToVerify( Thread );
if ( RealDevice == NULL ) {
Thread = PsGetCurrentThread();
RealDevice = IoGetDeviceToVerify( Thread );
ASSERT( RealDevice != NULL );
}
//
// Let's not BugCheck just because the driver messed up.
//
if (RealDevice == NULL) {
FatCompleteRequest( IrpContext, Irp, ExceptionCode );
return ExceptionCode;
}
//
// This routine actually causes the pop-up. It usually
// does this by queuing an APC to the callers thread,
// but in some cases it will complete the request immediately,
// so it is very important to IoMarkIrpPending() first.
//
IoMarkIrpPending( Irp );
IoRaiseHardError( Irp, Vpb, RealDevice );
//
// We will be handing control back to the caller here, so
// reset the saved device object.
//
IoSetDeviceToVerify( Thread, NULL );
//
// The Irp will be completed by Io or resubmitted. In either
// case we must clean up the IrpContext here.
//
FatDeleteIrpContext( IrpContext );
return STATUS_PENDING;
}
}
//
// This is just a run of the mill error. If is a STATUS that we
// raised ourselves, and the information would be use for the
// user, raise an informational pop-up.
//
IrpSp = IoGetCurrentIrpStackLocation( Irp );
Vcb = IrpContext->Vcb;
//
// Now, if the Vcb is unknown to us this means that the error was raised
// in the process of a mount and before we even had a chance to build
// a full Vcb - and was really handled there.
//
if (Vcb != NULL) {
if ( !FatDeviceIsFatFsdo( IrpSp->DeviceObject) &&
!NT_SUCCESS(ExceptionCode) &&
!FsRtlIsTotalDeviceFailure(ExceptionCode) ) {
TransitionState = VolumeDirtyWithSurfaceTest;
}
//
// If this was a STATUS_FILE_CORRUPT or similar error indicating some
// nastiness out on the media, then mark the volume permanently dirty.
//
if (!FlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_DISABLE_POPUPS) &&
( TransitionState == VolumeDirtyWithSurfaceTest ||
(ExceptionCode == STATUS_FILE_CORRUPT_ERROR) ||
(ExceptionCode == STATUS_DISK_CORRUPT_ERROR) ||
(ExceptionCode == STATUS_EA_CORRUPT_ERROR) ||
(ExceptionCode == STATUS_INVALID_EA_NAME) ||
(ExceptionCode == STATUS_EA_LIST_INCONSISTENT) ||
(ExceptionCode == STATUS_NO_EAS_ON_FILE) )) {
ASSERT( NodeType(Vcb) == FAT_NTC_VCB );
ASSERT( !FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_RECURSIVE_CALL));
SetFlag( Vcb->VcbState, VCB_STATE_FLAG_MOUNTED_DIRTY );
SetFlag( IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT);
//
// Do the "dirty" work, ignoring any error. We need to take the Vcb here
// to synchronize against the verify path tearing things down, since
// we dropped all synchronization when backing up due to the exception.
//
FatAcquireExclusiveVcbNoOpCheck( IrpContext, Vcb);
try {
if (VcbGood == Vcb->VcbCondition) {
FatMarkVolume( IrpContext, Vcb, TransitionState );
}
}
except( FatExceptionFilter( IrpContext, GetExceptionInformation() ) ) {
NOTHING;
}
FatReleaseVcb( IrpContext, Vcb);
}
}
